Entries |
Document | Title | Date |
20080206643 | METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY - There is provided a simple and easy method of preparation of a positive electrode active material for a non-aqueous secondary battery which comprises a compound comprising lithium, nickel and manganese and having a layered structure. Said method comprises firing a mixture of (1) at least one member selected from the group consisting of dinickel trioxide and boron compounds and (2) one or more metal compounds comprising lithium, nickel and manganese as their metal elements. | 08-28-2008 |
20080213665 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material of a nonaqueous electrolyte secondary battery according to an embodiment of the invention includes lithium cobalt compound oxide in which at least zirconium and magnesium are added, and lithium nickel manganese compound oxide having a layered structure. The lithium cobalt compound oxide contains at least two types of zirconium- and magnesium-added lithium cobalt compound oxides having zirconium added amounts different from each other. The charging potential of the positive electrode active material is more than 4.3 V and 4.6 V or less versus lithium. With such a constitution, a nonaqueous electrolyte secondary battery using a plurality of positive electrode active materials having different physical properties which not only is capable of being charged at a high charging voltage of more than 4.3 V and 4.6 V or less versus lithium, but also has excellent charging/discharging cycle property and excellent charged storage properties without lowering the battery capacity. | 09-04-2008 |
20080233481 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a positive electrode active material for a non-aqueous electrolyte secondary battery, which can achieve high capacity and high output simultaneously, and a non-aqueous electrolyte secondary battery using the same. A non-aqueous electrolyte secondary battery is obtained by using as a positive electrode, a positive electrode active material for a non-aqueous electrolyte secondary battery, which is expressed by the general formula: Li | 09-25-2008 |
20080248391 | CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND ITS PRODUCTION METHOD - Provided are a cathode active material with high safety, with high discharge capacity even at high operating voltage, and with excellent cyclic charge and discharge properties, its production method and a non-aqueous electrolyte secondary battery containing the cathode active material. | 10-09-2008 |
20080254366 | Alkaline Storage Battery - An alkaline storage battery | 10-16-2008 |
20080254367 | LITHIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTIC SOLUTION - The sudden generation of heat being frequently caused in the case of the overcharge of a lithium secondary cell which have a positive electrode comprising a composite metal oxide of lithium and cobalt or a composite metal oxide of lithium and nickel, a negative electrode comprising metallic lithium, a lithium alloy or a material capable of occluding and releasing lithium, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and an electrolyte dissolved therein can be efficiently prevented by the addition, to the nonaqueous electrolyte solution, of an organic compound which, when the lithium secondary cell is overcharged, decomposes into a decomposition product capable of dissolving out the cobalt or nickel contained in the positive electrode and depositing it ion the negative electrode (for example, a tert-alkylbenzene derivative). | 10-16-2008 |
20080254368 | CATHODE ACTIVE MATERIAL, CATHODE, NONAQUEOUS ELECTROLYTE BATTERY, AND METHOD FOR MANUFACTURING CATHODE - A cathode active material has: a lithium composite oxide which contains the highest proportion of nickel among constituent metal elements except lithium; and a phosphorus compound which is contained near the surface of the lithium composite oxide, a cathode including the cathode active material, and a method for manufacturing the cathode. | 10-16-2008 |
20080261115 | Non-aqueous electrolyte secondary battery and positive electrode - A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode mixture, a negative electrode, and a non-aqueous electrolyte. The positive electrode mixture contains as a positive electrode active material Li | 10-23-2008 |
20080268340 | NON AQUEOUS ELECTROLYTE SECONDARY CELL AND METHOD FOR PRODUCING SAME - A non-aqueous electrolyte secondary cell that has high capacity and excellent cycle characteristic while preventing cell swelling is provided. The positive electrode of the cell has, as the positive electrode active material, lithium nickel composite oxide represented by Li | 10-30-2008 |
20080274405 | Cathode Active Material for Alkaline Battery and Manufacturing Method Thereof, and Alkaline Battery - The present invention is to provide a cathode active material for an alkaline battery with a lamellar crystal structure including nickel oxyhydroxide. The cathode active material has a diffraction peak at a position that ranges from 8.4 degrees to 10.4 degrees in diffraction angle 2θ by X-ray diffraction using CuKα-rays. In addition, the present invention provides an alkaline battery having a cathode having a cathode active material, an anode having an anode active material, and an alkaline water solution as an electrolytic solution. Furthermore, the present invention provides a manufacturing method for a cathode active material for an alkaline battery with a lamellar crystal structure including nickel oxyhydroxide. The manufacturing method has an oxidation process for manufacturing the cathode active material by oxidizing a starting material made from β-type nickel hydroxide with a lamellar crystal structure in an airstream including alkaline water solution or alkali. | 11-06-2008 |
20080280204 | Method For The Production Of Nickel Oxide Surfaces Having Increase Conductivity - The invention relates to a method for producing electrically conducting nickel oxide surfaces made of nickel-containing material. According to said method, the nickel surface is first degreased and is then roughened for approximately ten minutes in a solution containing about one percent of hydrochloric acid, said process being accelerated by adding hydrogen peroxide solution, resulting in the electrolyte turning green. The nickel surface is briefly wetted, the nickel material is introduced into a solution of 3.5 molar lye to which about ten percent of hydrogen peroxide is added and is kept therein for ten minutes, and the resulting nickel hydroxide surface is dehydrated in a subsequent thermal process and is then further oxidized to obtain nickel oxide. The invention further relates to a conductive boundary layer that is produced according to said method, the electrodes therefrom, and the use thereof in chlorine-alkali electrolysis processes, in fuel cells and storage batteries. | 11-13-2008 |
20080280205 | LITHIUM MIXED METAL OXIDE CATHODE COMPOSITIONS AND LITHIUM-ION ELECTROCHEMICAL CELLS INCORPORATING SAME - Provided are cathode compositions for a lithium-ion battery having the formula Li[Li | 11-13-2008 |
20080311473 | CATHODE ACTIVE MATERIAL FOR A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY THAT USES CATHODE ACTIVE MATERIAL - The present invention provides a cathode active material that makes possible a high capacity nonaqueous electrolyte secondary battery that has excellent discharge load characteristics that provide both good cycle characteristics and thermal stability. The cathode active material comprises a lithium nickel composite oxide having the compositional formula LiNi | 12-18-2008 |
20080318125 | Positive Electrode for Alkaline Storage Battery and Alkaline Storage Battery - There are provided a low-cost positive electrode for an alkaline storage battery which retains an excellent current collectivity over a long period of time and a low-cost alkaline storage battery which retains an excellent charge/discharge efficiency over a long period of time. A positive electrode for an alkaline storage battery according to the present invention has a positive electrode substrate including a resin skeleton made of a resin and having a three-dimensional network structure and a nickel coating layer made of nickel and coating the resin skeleton and also having a void portion in which a plurality of pores are coupled in three dimensions and a positive electrode active material containing nickel hydroxide particles and filled in the void portion of the positive electrode substrate. Among them, the nickel coating layer has an average thickness of not less than 0.5 μm and not more than 5 μm. The proportion of the nickel coating layer to the positive electrode substrate is not less than 30 wt % and not more than 80 wt %. The filling amount of the positive electrode active material is not less than 3 times and not more than 10 times the weight of the positive electrode substrate. | 12-25-2008 |
20080318126 | CATHODE MIX AND NONAQUEOUS ELECTROLYTE BATTERY - A cathode mix for nonaqueous electrolyte secondary batteries includes a cathode active material having an olivine crystal structure, and polyvinyl pyrrolidone. Also, a nonaqueous electrolyte secondary battery includes: a cathode; an anode; and a nonaqueous electrolyte, wherein the cathode includes: a cathode active material having an olivine crystal structure; and polyvinyl pyrrolidone. | 12-25-2008 |
20090011334 | LITHIUM SECONDARY BATTERY AND POSITIVE ELECTRODE MATERIAL THEREOF - A lithium nickel manganese cobalt complex oxide powder for a lithium secondary battery positive electrode material, which is composed of a crystal structure having a layered structure, and the composition thereof is expressed by the following formula: | 01-08-2009 |
20090011335 | Positive electrode active material, method of manufacturing the positive electrode active material, and non-aqueous electrolyte secondary battery - A high-capacity positive electrode active material is provided that enables a non-aqueous electrolyte secondary battery to have excellent load characteristics and high initial charge-discharge efficiency. A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, and a non-aqueous electrolyte, and performs charge and discharge by transferring lithium ions between the positive electrode and the negative electrode. The positive electrode has a positive electrode mixture and a positive electrode current collector. The positive electrode mixture contains a positive electrode active material, a conductive agent, and a binder agent (binder). The positive electrode active material includes Li | 01-08-2009 |
20090023067 | POSITIVE ELECTRODE ACTIVE MATERIALS FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A positive electrode active material for a lithium secondary battery, the material represented by the formulas: LiNi | 01-22-2009 |
20090029253 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY WITH NONAQUEOUS ELECTROLYTE, AND BATTERY USING THE SAME - An object of the present invention is to provide a positive electrode material for non-aqueous electrolyte lithium-ion battery which capable of discharging high output power and inhibiting cracking of secondary particle in the cyclic endurance at a high temperature. The above object can be attained by a positive electrode material for non-aqueous electrolyte lithium-ion battery of the present invention, characterized in that said material comprises secondary particles composed of primary particles of lithium nickel composite oxide containing the primary particles having different aspect ratios, and that at least a part of said primary particles having different aspect ratios are arranged so as to make the longitudinal direction (the long side direction) thereof oriented toward the center of the secondary particle. | 01-29-2009 |
20090029254 | Cathode active material and non-aqueous electrolyte secondary battery using the same - A cathode active material having a large capacity and improved charge/discharge cycle characteristics is disclosed. A battery has a cathode ( | 01-29-2009 |
20090035659 | Non-Aqueous Electrolyte Secondary Battery - A lithium-containing composite oxide represented by the formula 1: Li | 02-05-2009 |
20090035660 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery of the invention uses as positive electrode active material a lithium transition metal compound expressed by Li | 02-05-2009 |
20090053604 | ALKALINE PRIMARY BATTERY - An alkaline primary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and an electrolyte. The negative electrode further includes at least one compound selected from the group consisting of a tetramethylammonium compound, a tetraethylammonium compound, and a tetrapropylammonium compound. | 02-26-2009 |
20090068561 | POSITIVE ACTIVE MATERIAL FOR LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - A positive active material according to one embodiment of the present invention includes an internal bulk part and an external bulk part surrounding the internal bulk part and has a continuous concentration gradient of the metal composition from an interface between the internal bulk part and the external bulk part to the surface of the active material. The provided positive active material in which the metal composition is distributed in a continuous concentration gradient has excellent electrochemical characteristics such as a cycle life, capacity, and thermal stability. | 03-12-2009 |
20090081550 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - To curb a decline in the high-rate performance of non-aqueous electrolyte secondary batteries and improve safety at the time of an internal short circuit, a non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte wherein the positive electrode includes a positive electrode active material capable of absorbing and desorbing lithium ions, the positive electrode active material includes a secondary particle, and the secondary particle is an aggregate containing primary particles and a silicon oxide. The primary particles contain a lithium nickel composite oxide. The silicon oxide is present in at least grain boundaries between the primary particles. | 03-26-2009 |
20090087747 | SINTERED CATHODE COMPOSITIONS - Provided are compositions useful as cathodes in lithium-ion electrochemical cells. The compositions include particles that include transition metal oxides that have at least two distinct phases with different compositions. Each of the distinct phases comprises a layered O3 crystal structure. | 04-02-2009 |
20090092900 | HEAT-RESISTANT INSULATING LAYER-PROVIDED SEPARATOR AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A heat-resistant insulating layer-provided separator includes a polyolefin layer and a heat-resistant insulating layer formed on one or both surfaces of the polyolefin layer and containing a heat-resistant resin and an oxidation-resistant ceramic particle. The heat-resistant insulating layer contains the oxidation-resistant ceramic particle in a proportion of from 60 to 90%. | 04-09-2009 |
20090092901 | TI-NI ALLOY-NI SULFIDE ELEMENT FOR COMBINED CURRENT COLLECTOR-ELECTRODE - The present invention relates to a superelastic alloy-Ni sulfide element for a combined current collector-electrode in which Ti—Ni based alloy is used as a current collector and Ni sulfide is used as electrode material, the Ni sulfide being formed on the Ti—Ni based alloy by forming a Ni thin film on a surface of the Ti—Ni based alloy and sulfurdizing the Ti—Ni based alloy comprising the Ni thin film. Thus, a superelastic characteristic of the element is realized as well as small-size integration of a battery is possible. | 04-09-2009 |
20090098462 | Alkaline dry battery - In order to provide an alkaline dry battery which enables to improve the operational stability of digital equipment by suppressing the progress of polarization during heavy load pulse discharge while maintaining the excellent heavy load discharge characteristics, and has an excellent reliability in terms of the leakage resistance and the safety under short-circuit conditions, the alkaline dry battery includes a positive electrode including a nickel oxyhydroxide powder and a manganese dioxide powder as positive electrode active materials, and including graphite as a conductive material; a negative electrode including zinc or a zinc alloy as a negative electrode active material; a separator interposed between the positive electrode and the negative electrode; a negative electrode current collector inserted in the negative electrode; an aqueous alkaline solution included in the separator; a battery case housing the positive electrode, the negative electrode, the separator, the negative electrode current collector and the aqueous alkaline solution; a sealing member for sealing an opening of the battery case, wherein the positive electrode includes a calcium compound in an amount of 0.1 to 10 mol % relative to a total amount of the positive electrode active material, and the content of iron element in the calcium compound is 150 ppm or less. | 04-16-2009 |
20090104528 | Electrode for Lithium Secondary Battery, Lithium Secondary Battery and Method for Producing the Same - An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle θ | 04-23-2009 |
20090104529 | ELECTRODE FOR LITHIUM ION SECONDARY BATTERY - An object of the present invention is to provide an electrode for a lithium ion secondary battery that can ensure a high level of safety even when exposed to severe conditions such as a nail penetration test or crush test, and exhibit excellent output characteristics. | 04-23-2009 |
20090104530 | LITHIUM TRANSITION METAL-BASED COMPOUND POWDER FOR POSITIVE ELECTRODE MATERIAL IN LITHIUM RECHARGEABLE BATTERY, METHOD FOR MANUFACTURING THE POWDER, SPRAY DRIED PRODUCT OF THE POWDER, FIRING PRECURSOR OF THE POWDER, AND POSITIVE ELECTRODE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY USING THE POWDER - There is provided a powder of a lithium transition-metal compound for a positive-electrode material in a lithium secondary battery, in which the use of the powder as that of a positive-electrode material in a lithium secondary battery achieves a good balance among improvement in battery performance, cost reduction, resistance to a higher voltage, and a higher level of safety. The powder of the lithium transition-metal compound for a positive-electrode material in a lithium secondary battery is characterized in that in a mercury intrusion curve obtained by mercury intrusion porosimetry, the amount of mercury intruded is in the range of 0.8 cm | 04-23-2009 |
20090104531 | POSITIVE ELECTRODE ACTIVE MATERIAL POWDER - The positive electrode active material powder of the present invention is a positive electrode active material powder, including primary particles and aggregated particles of primary particles, wherein an average particle diameter of primary particles and aggregated particles of primary particles in the powder is 0.1 μm or more and 3 μm or less on a volume basis, the percentage of [volumetric sum of particles having a particle diameter of 5 μm or more]/[volumetric sum of entire particles] is 10% or less, and a BET specific surface area of the powder is more than 2 m | 04-23-2009 |
20090117465 | POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY - A positive electrode includes a collector and a positive electrode mixture layer formed on the collector and containing a polyacrylonitrile based resin-containing binder and a positive electrode active material. The polyacrylonitrile in the positive electrode mixture layer is crosslinked and carbonized. | 05-07-2009 |
20090148772 | LITHIUM-CONTAINING COMPOSITE OXIDE AND ITS PRODUCTION METHOD - The present invention provides a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and excellent durability for charge and discharge cycles and charge and discharge rate property, and its production method. | 06-11-2009 |
20090155690 | NICKEL-METAL HYDRIDE RECHARGEABLE CELL - A positive electrode plate ( | 06-18-2009 |
20090155691 | POSITIVE ELECTRODE FOR A LITHIUM BATTERY - A method for producing a lithium alkali transition metal oxide for use as a positive electrode material for lithium secondary batteries by a precipitation method. The positive electrode material is a lithium alkali transition metal composite oxide and is prepared by mixing a solid state mixed with alkali and transition metal carbonate and a lithium source. The mixture is thermally treated to obtain a small amount of alkali metal residual in the lithium transition metal composite oxide cathode material. | 06-18-2009 |
20090162751 | LITHIUM ION SECONDARY BATTERY - A lithium secondary battery having high power characteristics and excellent life characteristics in which the anode comprises at least carbon as an anode active material, and an SBR latex and a cellulosic viscosity improver as a binder material, the carbon material has an inter layer distance (d | 06-25-2009 |
20090169998 | Lithium ion battery capable of being discharged to zero volts - A lithium ion battery particularly configured to be able to discharge to a very low voltage, e.g. zero volts, without causing permanent damage to the battery. More particularly, the battery is configured to define a Zero Volt Crossing Potential (ZCP) which is lower than a Damage Potential Threshold (DPT). | 07-02-2009 |
20090169999 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery of the present invention includes a positive electrode including a nickel-containing lithium composite oxide as a positive electrode active material, a negative electrode, a separator interposed between the positive electrode and the negative electrode. The separator includes at least one selected from the group consisting of a layer including a polymer of a monomer containing halogen atoms but not containing a hydrogen atom and a layer including an inorganic oxide. | 07-02-2009 |
20090170000 | ELECTRODE FOR AN ELECTROCHEMICAL CELL COMPRISING MESOPOROUS NICKEL HYDROXIDE - An electrode for an electrochemical cell comprises mesoporous nickel hydroxide substantially free from metallic nickel or nickel oxide, together with a conductivity enhancer and a binder. | 07-02-2009 |
20090197173 | COMPOSITE CARBONATE AND METHOD FOR PRODUCING THE SAME - The present invention provides a nickel atom-, manganese atom- and cobalt atom-containing composite carbonate that is high in specific surface area and large in tap density, and useful as a raw material for producing a lithium nickel manganese cobalt composite oxide to be used in a positive electrode active material for use in a lithium secondary battery, and provides a method for industrially advantageously producing the composite carbonate. The composite carbonate includes nickel atoms, manganese atoms and cobalt atoms, and has an average particle size of 20 μm or more and 40 μm or less, a BET specific surface area of 50 to 130 m | 08-06-2009 |
20090202909 | Positive Electrode Active Material for Alkaline Storage Battery, Positive Electrode for Alkaline Storage Battery, Alkaline Storage Battery, and Method for Manufacturing Positive Electrode Active Material for Alkaline Storage Battery - There are provided a positive electrode active material for an alkaline storage battery, a positive electrode for an alkaline storage battery, and an alkaline storage battery each of which has an excellent output characteristics and also has an excellent self-discharge characteristic and an excellent cycle lifetime characteristic. The positive electrode active material for an alkaline storage battery according to the present invention has nickel hydroxide particles each containing at least magnesium in a solid solution state and a cobalt compound layer coating the surface of each of the nickel hydroxide particles. Among them, the cobalt compound layer contains cobalt having an average valence of not less than 2.6 and not more than 3.0 and also contains sodium at a proportion of less than 0.10 wt % to the total weight of the cobalt compound layer. The positive electrode active material for an alkaline storage battery according to the present invention has a conductivity smaller than 1.0×10 | 08-13-2009 |
20090233174 | Method for Manufacturing Battery, Battery Manufactured by The Method, and Method for Inspecting Battery - Provided are a method for manufacturing highly reliable batteries and a method for inspecting batteries that can achieve firm, low-resistance welding upon welding of points of contact between a lead welded to the lid of a battery and an upper current collecting plate and that can eliminate batteries with defective welds. | 09-17-2009 |
20090258296 | LITHIUM-CONTAINING COMPOSITE OXIDE AND ITS PRODUCTION METHOD - To provide a lithium/nickel/cobalt/manganese-containing composite oxide powder which has a high weight capacity density, a high packing property, an excellent cycle property, an excellent discharge rate property and an excellent safety, and which has little content of free alkalis and is free from gelation at a time of producing a slurry. | 10-15-2009 |
20090263719 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery uses as its positive electrode active material a mixture of a first lithium-containing transition metal oxide containing nickel and manganese as transition metals and having a crystal structure belonging to the space group R3m and a second lithium-containing transition metal oxide containing nickel, cobalt, and manganese as transition metals and having a crystal structure belonging to the space group R3m, or a mixture of the first lithium-containing transition metal oxide and a lithium cobalt oxide. The first lithium-containing transition metal oxide is Li | 10-22-2009 |
20090274959 | ENCLOSED NICKEL-ZINC PRIMARY BATTERY, ITS ANODE AND PRODUCTION METHODS FOR THEM - A high-capacity enclosed nickel-zinc primary battery excellent in characteristics such as capacity maintenance factor, energy density, and high-efficient discharge characteristics, an anode using it, and a production method for them. An enclosed nickel-zinc primary battery which uses as an anode an anode active material of nickel hydroxide compound, such as nickel oxyhydroxide, particles and uses zinc alloy gel as a cathode material, wherein a ratio of anode theoretical capacity to cathode theoretical capacity is 1.0-1.6, and a ratio of alkali electrolyte to anode theoretical capacity is 1.0-1.6 ml/Ah. | 11-05-2009 |
20090305136 | Non-aqueous electrolyte secondary battery and method of manufacturing the same - A non-aqueous electrolyte secondary battery has a positive electrode ( | 12-10-2009 |
20100055567 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE USING THE SAME AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material includes: a particle containing a positive electrode material capable of intercalating and deintercalating an electrode reactant; and a film provided in at least a part of the particle and having a peak of C | 03-04-2010 |
20100068624 | NICKEL HYDROXIDE, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for a non-aqueous electrolyte secondary battery, including a lithium nickel composite oxide, is produced by baking a nickel hydroxide having a mean primary particle size of 1 to 5 μm and a DBP absorption amount of 10 to 30 mL/100 g and a lithium compound in an oxidizing atmosphere. This lithium nickel composite oxide is excellent in packing characteristics and power characteristics (particularly high-rate characteristics), and useful as a positive electrode active material of a non-aqueous electrolyte secondary battery. | 03-18-2010 |
20100081055 | CATHODE MATERIAL FOR Li ION SECONDARY BATTERY AND Li ION SECONDARY BATTERY USING THE SAME - A cathode material with excellent capacity and output characteristics and safety, and a lithium ion secondary battery using the same is provided. The invention relates to a cathode material which includes a mixture of a cathode active material having a large primary particle size with excellent capacity characteristics and represented by the composition formula: Li | 04-01-2010 |
20100086853 | POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES HAVING A HIGH SPECIFIC DISCHARGE CAPACITY AND PROCESSES FOR THE SYNTHESIS OF THESE MATERIALS - Positive electrode active materials are described that have a very high specific discharge capacity upon cycling at room temperature and at a moderate discharge rate. Some materials of interest have the formula Li | 04-08-2010 |
20100086854 | FLUORINE DOPED LITHIUM RICH METAL OXIDE POSITIVE ELECTRODE BATTERY MATERIALS WITH HIGH SPECIFIC CAPACITY AND CORRESPONDING BATTERIES - Lithium rich metal oxyfluorides are described with high specific capacity and, good cycling properties. The materials have particularly good high rate capabilities. The fluorine dopant can be introduced in a low temperature process to yield the materials with desirable cycling properties. In some embodiments, the positive electrode active materials have a composition represented approximately by the formula Li | 04-08-2010 |
20100099027 | Li-Ni COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery which have a large charge/discharge capacity and are excellent in thermal stability under a charged condition. The above object can be achieved by the Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery, comprising a Li—Ni composite oxide whose secondary particles form core particles thereof and have a composition represented by the formula: Li | 04-22-2010 |
20100104944 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A mixed positive electrode active material is used. The mixed positive electrode active material is obtained by mixing a layered oxide whose initial charge-discharge efficiency when lithium metal is used for a counter electrode is less than 100% (hereinafter referred to as a first layered oxide) and a layered oxide whose initial charge-discharge efficiency is 100% or more (hereinafter referred to as a second layered oxide). Examples of the first layered oxide include Li | 04-29-2010 |
20100112447 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A positive electrode active material for a non-aqueous electrolyte secondary battery is provided. The positive electrode active material includes a composite oxide containing lithium and metal M other than lithium, and M contains Ni, Mn, and Co. The molar ratio of Ni to the total of Ni, Mn, and Co is from 0.45 to 0.65, and the molar ratio of Mn to the total of Ni, Mn, and Co is from 0.15 to 0.35. The positive electrode active material has a pressed density under a compression of 60 MPa of 3.3 g/cm | 05-06-2010 |
20100129714 | LITHIUM SECONDARY BATTERY - It is an object of the present invention to provide a lithium secondary battery capable of suppressing the elution of Mn, the lithium secondary batteries being excellent in the cycle life and having a high energy density. A positive electrode material for the lithium secondary battery has a cubic spinel structure (space group Fd3m), and comprises a metal phosphate compound and a cubic metal oxide in a surface of a lithium manganese composite oxide represented by a composition formula LiMn | 05-27-2010 |
20100136429 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode ( | 06-03-2010 |
20100136430 | NCM POSITIVE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME - An NCM positive active material composition and a secondary battery including the same are disclosed. The NCM positive active material composition has a good conductivity and increased capacity, and is prepared by utilizing a high density mixture. The NCM positive active material composition includes an NCM positive active material, a conductive agent, and a binder, and the conductive agent contains graphite. | 06-03-2010 |
20100143802 | MANUFACTURING METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE ACTIVE MATERIAL - A positive electrode active material for nonaqueous electrolyte secondary batteries includes a coating layer containing at least nickel (Ni) and/or manganese (Mn) on the surface of a complex oxide particle containing lithium (Li) and cobalt (Co), wherein a binding energy value obtained by analysis of a surface state by an ESCA surface analysis on the surface of the coating layer is 642.0 eV or more and not more than 642.5 eV in an Mn2p3 peak, and a peak interval of Co—Mn is 137.6 eV or more and not more than 138.0 eV. | 06-10-2010 |
20100151325 | SEPARATOR AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery, a separator in which its dynamic hardness DH obtained when the load to an indenter reaches 12 kgf/cm | 06-17-2010 |
20100159325 | PLATE-LIKE PARTICLE FOR CATHODE ACTIVE MATERIAL OF A LITHIUM SECONDARY BATTERY, A CATHODE ACTIVE MATERIAL FILM OF A LITHIUM SECONDARY BATTERY, AND A LITHIUM SECONDARY BATTERY - An object of the present invention is to provide a multi-component system (cobalt-nickel-manganese three-component system) cathode active material for a lithium secondary battery which has improved characteristic as compared with conventional lithium secondary batteries and a layered rock salt structure. A plate-like particle or a film for a lithium secondary battery cathode active material is represented by the following general formula: | 06-24-2010 |
20100159326 | PLATE-LIKE PARTICLE FOR CATHODE ACTIVE MATERIAL OF A LITHIUM SECONDARY BATTERY, A CATHODE ACTIVE MATERIAL FILM OF A LITHIUM SECONDARY BATTERY, AND A LITHIUM SECONDARY BATTERY - An object of the present invention is to provide a lithium secondary battery which has improved capacity, durability, and rate characteristic as compared with conventional lithium secondary batteries. A plate-like particle or a film for a lithium secondary battery cathode active material is represented by the following general formula: | 06-24-2010 |
20100173199 | SURFACE MODIFIED LITHIUM-CONTAINING COMPOSITE OXIDE FOR CATHODE ACTIVE MATERIAL FOR LITHIUN ION SECONDARY BATTERY AND ITS PRODUCTION PROCESS - To provide a surface modified lithium-containing composite oxide for a cathode active material for a lithium ion secondary cell, which is excellent in volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, and its production process. | 07-08-2010 |
20100173200 | LITHIUM SECONDARY BATTERY - An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the present invention, a compound represented by general formula (I) described below is used as a cathode active material, and a compound represented by general formula (II) described below is used as an anode active material; | 07-08-2010 |
20100173201 | LITHIUM SECONDARY BATTERY - An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the present invention, a compound represented by general formula (I) described below is used as a cathode active material, and a compound represented by general formula (II) described below is used as an anode active material; | 07-08-2010 |
20100183925 | Cation-Substituted Spinel Oxide and Oxyfluoride Cathodes for Lithium Ion Batteries - The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn | 07-22-2010 |
20100190058 | SURFACE PROTECTED LITHIUM-METAL-OXIDE ELECTRODES - A lithium-metal-oxide positive electrode having a layered or spinel structure for a non-aqueous lithium electrochemical cell and battery is disclosed comprising electrode particles that are protected at the surface from undesirable effects, such as electrolyte oxidation, oxygen loss or dissolution by one or more lithium-metal-polyanionic compounds, such as a lithium-metal-phosphate or a lithium-metal-silicate material that can act as a solid electrolyte at or above the operating potential of the lithium-metal-oxide electrode. The surface protection significantly enhances the surface stability, rate capability and cycling stability of the lithium-metal-oxide electrodes, particularly when charged to high potentials. | 07-29-2010 |
20100196761 | GRANULAR POWDER OF TRANSITION METAL COMPOUND AS RAW MATERIAL FOR CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR ITS PRODUCTION - To provide a transition metal compound granule serving as a raw material for a cathode active material for a lithium secondary battery, which has high packing density, large volume capacity density and high safety and which is excellent in durability for charge and discharge cycles. | 08-05-2010 |
20100203388 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES WITH HIGH SAFETY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME - The present invention relates to a cathode active material for lithium secondary batteries with high safety, a method of preparing the same and lithium secondary batteries comprising the same. The cathode active material of the present invention comprises a lithium metal oxide secondary particle core portion formed by aggregation of lithium metal oxide primary particles; and a shell portion formed by coating the secondary particle core portion with an olivine-structured lithium iron phosphate oxide. The cathode active material of the present invention allows to manufacture lithium secondary batteries with improved safety, especially overcharge characteristics. | 08-12-2010 |
20100209776 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a positive active material, a binder, and a conductive material, wherein a weight ratio of the binder and conductive material, and the positive active material, ranges from 3:97 to 5:95 wt %, and a weight ratio of the binder and the conductive material ranges from 1.5 to 3:1. | 08-19-2010 |
20100216024 | METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE ACTIVE MATERIAL - The object of the present invention is to provide a method for producing simply a positive electrode active material which can further increase charge-discharge capacity of secondary batteries when the positive electrode active material is used for positive electrode of secondary batteries, particularly non-aqueous electrolyte secondary batteries. A method for producing a positive electrode active material includes the step of heat-treating a lithium mixed metal oxide represented by the formula Li | 08-26-2010 |
20100221609 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME - This invention provides a positive electrode material having high capacity and safety, and a lithium ion secondary battery using the positive electrode material, the lithium ion secondary battery using a positive electrode active substance comprising a first transition metal oxide represented by the compositional formula: Li | 09-02-2010 |
20100233542 | ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING THE SAME - The present invention provides an active material for a lithium secondary battery with a high discharge capacity, particularly for a lithium secondary battery that can increase the discharge capacity in a potential region of 4.3 V or lower, a method for producing the same, a lithium secondary battery having a high discharge capacity, and a method for producing the same. The active material for a lithium secondary battery includes a solid solution of a lithium transition metal composite oxide having an α-NaFeO | 09-16-2010 |
20100239910 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery including a positive electrode having a positive electrode mixture layer containing a positive electrode active material, a binder, and a conductive agent, and a negative electrode having a negative electrode active material capable of intercalating and deintercalating lithium. The positive electrode active material includes a layered lithium-transition metal composite oxide represented by the compositional formula Li | 09-23-2010 |
20100248033 | LITHIUM BATTERIES WITH NANO-COMPOSITE POSITIVE ELECTRODE MATERIAL - Provided is a positive electrode for a lithium ion battery, the electrode comprising a nano-crystalline layered-layered composite structure of a material having the general formula xLi | 09-30-2010 |
20100273055 | LITHIUM-ION ELECTROCHEMICAL CELL - Lithium-ion electrochemical cells are provided that have high charge-discharge rates, excellent thermal stability and low irreversible capacity. The provided cells include a lithium mixed metal oxide cathode and a lithium titanate anode. The lithium mixed metal oxide cathode has cobalt as its major constituent. | 10-28-2010 |
20100273056 | LITHIUM BATTERY AND METHOD FOR PRODUCING THE SAME - A lithium battery that contains a solid electrolyte but has a high capacity is provided. A lithium battery | 10-28-2010 |
20100273057 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE BATTERY - A positive electrode active material includes a lithium complex oxide particle, and a coating layer formed on at least a part of the surface of the lithium complex oxide particle. The lithium complex oxide particle is a lithium complex oxide particle composed mainly of nickel. The coating layer contains an oxo acid and/or an oxo acid compound, an acidity of the surface of the lithium complex oxide particle composed mainly of nickel is increased by the coating layer. The acidity is determined based on a pH of a supernatant of water in a state where after 1.0 part by weight of the lithium complex oxide particle composed mainly of nickel and having a coating layer formed thereon is dispersed in 50 parts by weight of water. The lithium complex oxide particle sediments, and the pH is less than 8.0. | 10-28-2010 |
20100310937 | THIN FILM ALLOY ELECTRODES - Thin film alloy electrodes are provided that are useful as negative electrodes in lithium-ion electrochemical cells. The alloys include aluminum and at least one additional electrochemically active metal or composite. They can be used as a current collector or as a complete electrode. | 12-09-2010 |
20100310938 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention mainly relates to non-aqueous electrolyte secondary batteries. The present invention intends to provide a non-aqueous electrolyte secondary battery having excellent cycle characteristics and excellent storage characteristics. | 12-09-2010 |
20100316910 | Li-Ni-BASED COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to Li—Ni-based composite oxide particles comprising Mn, and Co and/or Al, wherein Co and Al are uniformly dispersed within the particles, and Mn is present with a gradient of its concentration in a radial direction of the respective particles such that a concentration of Mn on a surface of the respective particles is higher than that at a central portion thereof. The Li—Ni-based composite oxide particles can be produced by allowing an oxide and a hydroxide comprising Mn to mechanically adhere to Li—Ni-based oxide comprising Co and/or Al; and then heat-treating the obtained material at a temperature of not lower than 400° C. and not higher than 1,000° C. The Li—Ni-based composite oxide particles of the present invention are improved in thermal stability and alkalinity. | 12-16-2010 |
20110003204 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a positive electrode for a lithium secondary battery including a positive active material and a conductive agent comprising a plurality of plate-structured carbon particles. | 01-06-2011 |
20110020704 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM SECONDARY BATTERY - There is provided a positive electrode active material for lithium secondary batteries which suppresses gelation when kneaded with a binder resin in producing a positive electrode material and provides excellent coating properties. The positive electrode active material for lithium secondary batteries comprises a lithium composite oxide represented by the following general formula (1) and a Ca atom contained in the lithium composite oxide. When the positive electrode active material is analyzed by X-ray diffraction using Cu—Kα radiation as a radiation source, the intensity ratio (b/a) of (b) the diffraction peak at 2θ=18.7±0.2° to (a) the diffraction peak at 2θ=37.4±0.2° derived from CaO is from 10 to 150. | 01-27-2011 |
20110020705 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME - Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio. | 01-27-2011 |
20110033749 | PROCESS FOR PRODUCTION OF CATHODE ACTIVE MATERIAL FOR LITHIUN ION SECONDARY BATTERY - To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost. The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the formula: Li | 02-10-2011 |
20110033750 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for a non-aqueous electrolyte secondary battery of the present invention includes composite oxide particles including lithium, nickel, and an element M, the element M being at least one of aluminum and cobalt. The composite oxide particles include primary particles and each particle of the primary particles includes a surface portion and an inner portion. A content of the element M in the surface portion is higher than a content of the element M in the inner portion, and a proportion of the primary particles relative to all of the composite oxide particles is 80 to 100 wt %. According to the invention, a positive electrode active material for a non-aqueous electrolyte secondary battery that has excellent cycle characteristics and storage characteristics and is suitable for use in a wide range of the state of charge and in a high-temperature environment and a non-aqueous electrolyte secondary battery using the same can be obtained. | 02-10-2011 |
20110039159 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THEM - Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material. | 02-17-2011 |
20110052990 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery including a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte. The positive electrode active material is a lithium transition metal oxide that contains niobium and is represented by xLi[Li | 03-03-2011 |
20110065003 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein the lithium nickel-manganese-cobalt oxide has a nickel content of at least 40% among overall transition metals and is coated with a conductive polymer at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while enhancing high temperature stability, so as to efficiently provide high charge capacity. | 03-17-2011 |
20110070497 | METHOD OF PRODUCING POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY USING THE POSITIVE ELECTRODE - A positive electrode for a lithium ion battery having a positive electrode active material layer including a lithium transition metal oxide such as a lithium nickel oxide as a positive electrode active material is washed with a washing fluid containing: an aprotic solvent such as propylene carbonate; and at least one of a fluorine-containing lithium salt such as LiPF | 03-24-2011 |
20110081578 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein the lithium nickel-manganese-cobalt oxide has nickel content of at least 40% among overall transition metals and is coated with an ion-conductive solid compound at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity. | 04-07-2011 |
20110081579 | ALKALINE DRY BATTERY AND METHOD FOR PRODUCING THE SAME - An alkaline dry battery according to the invention includes a hollow cylindrical positive electrode mixture including a positive electrode active material; a gelled negative electrode filled into the hollow of the positive electrode mixture and including a negative electrode active material; a separator disposed between the positive electrode mixture and the gelled negative electrode; a negative electrode current collector inserted into the gelled negative electrode; a negative electrode terminal plate electrically connected to the negative electrode current collector; and an electrolyte. The negative electrode current collector includes brass having an average crystal particle size of 0.015 mm or greater. | 04-07-2011 |
20110086274 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein an ion-conductive solid compound and conductive carbon are applied to a surface of the lithium nickel-manganese-cobalt oxide. A lithium secondary battery having the disclosed cathode active material has improved rate properties and high temperature stability, in turn embodying excellent cell performance. | 04-14-2011 |
20110111300 | INTERMEDIATE LAYERS FOR ELECTRODE FABRICATION - Provided are novel electrodes for use in lithium ion batteries. An electrode includes one or more intermediate layers positioned between a substrate and an electrochemically active material. Intermediate layers may be made from chromium, titanium, tantalum, tungsten, nickel, molybdenum, lithium, as well as other materials and their combinations. An intermediate layer may protect the substrate, help to redistribute catalyst during deposition of the electrochemically active material, improve adhesion between the active material and substrate, and other purposes. In certain embodiments, an active material includes one or more high capacity active materials, such as silicon, tin, and germanium. These materials tend to swell during cycling and may loose mechanical and/or electrical connection to the substrate. A flexible intermediate layer may compensate for swelling and provide a robust adhesion interface. Provided also are novel methods of fabricating electrodes containing one or more intermediate layers. | 05-12-2011 |
20110117434 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, FABRICATION METHOD THEREOF, POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for non-aqueous electrolyte secondary battery is improved so that a reaction between the positive electrode active material and a non-aqueous electrolyte is restricted in a case where charging voltage is increased. | 05-19-2011 |
20110129734 | Cathode material for lithium ion secondary battery and lithium ion secondary battery using it - A lithium ion secondary battery according to the present invention uses a cathode material obtained by mixing a first cathode active substance represented by a compositional formula: Li | 06-02-2011 |
20110143205 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY, NONAQUEOUS SECONDARY BATTERY, AND USING METHOD - A coin type battery | 06-16-2011 |
20110151328 | CATHODE MATERIALS AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME - Provided is a cathode active material composed of lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide contains nickel in an amount of 40% or higher, based on the total weight of transition metals, and the cathode active material comprises a first coating layer provided on the surface thereof and a second coating layer provided on the surface of the first coating layer, wherein the first coating layer is composed of a non-reactive material selected from the group consisting of oxides, nitrides, sulfides and mixtures or complexes thereof and the second coating layer is composed of a carbon-based material. | 06-23-2011 |
20110151329 | LITHIATED OXIDE FOR A POSITIVE ELECTRODE OF AN ALKALINE ACCUMULATOR - A positive electrode of an accumulator with an alkaline electrolyte comprising a nickel-based hydroxide and a lithiated oxide of formula Li | 06-23-2011 |
20110165462 | Anode compositions for lithium secondary batteries - A lithium secondary battery comprising a cathode, an anode, and a separator-electrolyte assembly or electrolyte layer disposed between the cathode and the anode, wherein the anode comprises: (a) an integrated nano-structure of electrically conductive nanometer-scaled filaments that are interconnected to form a porous network of electron-conducting paths comprising interconnected pores, wherein the filaments have a transverse dimension less than 500 nm; and (b) a foil of lithium or lithium alloy as an anode active material. The battery exhibits an exceptionally high specific capacity, an excellent reversible capacity, and a long cycle life. | 07-07-2011 |
20110165463 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME - Disclosed herein is a cathode active material based on lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide has a nickel content of at least 40% among overall transition metals and is coated with a compound not reacting with an electrolyte (“non-reactive material”), which is selected from a group consisting of oxides, nitrides, sulfides and a mixture or combination thereof not reacting with an electrolyte, as well as a carbon material, at a surface of the lithium nickel oxide. | 07-07-2011 |
20110165464 | Negative Electrode for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector and a negative active material layer disposed on the current collector, wherein the negative active material layer includes a negative active material including a silicon-based core and a carbon layer disposed on the surface of the silicon-based core, an inorganic salt including an alkaline metal cation selected from a Na cation, a K cation, or a combination of these; and an anion selected from a carbonate anion, a halogen anion, or a combination of these, and an aqueous binder. | 07-07-2011 |
20110171528 | Solid state electrolytes having high lithium ion conduction - A method for making ion conducting films includes the use of primary inorganic chemicals, which are preferably water soluble; formulating the solution with appropriate solvent, preferably deionized water; and spray depositing the solid electrolyte matrix on a heated substrate, preferably at 100 to 400° C. using a spray deposition system. In the case of lithium, the deposition step is then followed by lithiation or addition of lithium, then thermal processing, at temperatures preferably ranging between 100 and 500° C., to obtain a high lithium ion conducting inorganic solid state electrolyte. The method may be used for other ionic conductors to make electrolytes for various applications. The electrolyte may be incorporated into a lithium ion battery. | 07-14-2011 |
20110171529 | ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY - An electrode active material includes particles of a lithium-containing composite oxide represented by the general compositional formula: Li | 07-14-2011 |
20110177391 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery using lithium-containing transition metal composite oxide which has a layer structure, contains a lot of Ni and Mn and is inexpensive as a positive electrode active material and attaining high output characteristics even under low temperature environment is provided. | 07-21-2011 |
20110183209 | HIGH CAPACITY LITHIUM-ION ELECTROCHEMICAL CELLS - A lithium-ion electrochemical cell is provided that has high total energy, high energy density and good performance upon repeated charge-discharge cycles. The cell includes a composite positive electrode that comprises a metal oxide electrode material, a composite negative electrode that comprises a alloy anode active material having a first cycle irreversible capacity of 10 percent or higher and an electrolyte. The first cycle irreversible capacity of the composite positive electrode is within 40 percent of the first cycle irreversible capacity of the composite negative electrode. | 07-28-2011 |
20110195309 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material of a nonaqueous electrolyte secondary battery is improved by using an inexpensive lithium transition metal oxide containing nickel and manganese as main components. Output characteristics of the battery under various temperature conditions are thereby improved, and the battery is suitable as a power supply of a hybrid vehicle. The battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and a nonaqueous electrolyte prepared by dissolving a solute in a nonaqueous solvent. The positive electrode active material includes positive electrode active material particles composed of a lithium transition metal complex oxide having a layered structure containing nickel and manganese as main components, and at least one niobium-containing material selected from a Li—Nb—O compound and a Li—Ni—Nb—O compound, the at least one niobium-containing material being sintered onto surfaces of the positive electrode active material particles. | 08-11-2011 |
20110200880 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME - A positive electrode active material for lithium secondary batteries having a lithium-containing transition metal oxide having a layered structure and represented by the general formula Li | 08-18-2011 |
20110212366 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a non-aqueous electrolyte. The positive electrode active material includes a lithium-nickel-manganese composite oxide having a hexagonal layered rock-salt structure that belongs to the space group R-3m, and contains lithium in 3b sites that contain transition metals. The lithium-nickel-manganese composite oxide is represented by the molecular formula Li[Li | 09-01-2011 |
20110212367 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a non-aqueous electrolyte. The positive electrode active material includes a lithium-nickel-manganese composite oxide having a hexagonal layered rock-salt structure that belongs to the space group R-3m, and contains lithium in 3b sites that contain transition metals. The lithium-nickel-manganese composite oxide is represented by the molecular formula Li[Li | 09-01-2011 |
20110244331 | DOPED POSITIVE ELECTRODE ACTIVE MATERIALS AND LITHIUM ION SECONDARY BATTERY CONSTRUCTED THEREFROM - Positive electrode active materials comprising a dopant in an amount of 0.1 to 10 mole percent of Mg, Ca, Sr, Ba, Zn, Cd or a combination thereof are described that have high specific discharge capacity upon cycling at room temperature and at a moderate discharge rate. Some materials of interest have the formula Li | 10-06-2011 |
20110250499 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION SECONDARY BATTERY - Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium composite oxide particles containing nickel, manganese and cobalt, the lithium composite oxide particles being a layered compound having a hexagonal crystal structure, and exhibiting a powder X-ray diffraction pattern obtained by using CuKα radiation at 25° C. in which a maximum peak within a range of 2θ=44° to 45° is present at 2θ=44.4° to 45°. Also disclosed is a lithium ion secondary battery including: a positive electrode including a positive electrode active material capable of absorbing and desorbing lithium ions; a negative electrode including a negative electrode active material capable of absorbing and desorbing lithium ions; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode active material is the above positive electrode active material for a lithium ion secondary battery. | 10-13-2011 |
20110274976 | LITHIUM SECONDARY BATTERIES WITH POSITIVE ELECTRODE COMPOSITIONS AND THEIR METHODS OF MANUFACTURING - Positive electrodes for secondary batteries formed with a plurality of substantially aligned flakes within a coating. The flakes can be formed from metal oxide materials and have a number average longest dimension of greater than 100 μm. A variety of metal oxide or metal phosphate materials may be selected such as a group consisting Of LiCoO | 11-10-2011 |
20110274977 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A method for producing a positive electrode active material for a non-aqueous electrolyte secondary battery includes the steps of: attaching an oxygen permeable ceramic or a precursor thereof to a surface of a nickel-containing oxide or hydroxide to form an intermediate; mixing the intermediate with a lithium compound; and baking the resulting mixture in air to synthesize a lithium nickel composite oxide. The step of attaching the oxygen permeable ceramic or precursor thereof includes, for example, precipitating the oxygen permeable ceramic or precursor thereof on the surface of the oxide or hydroxide in an alkaline aqueous solution. | 11-10-2011 |
20110281168 | LITHIUM COMPOSITE COMPOUND PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to lithium composite compound particles having a composition represented by the formula: Li | 11-17-2011 |
20110287319 | MIXED OXIDE CONTAINING A LITHIUM MANGANESE SPINEL AND PROCESS FOR ITS PREPARATION - A mixed oxide containing
| 11-24-2011 |
20110287320 | Nickel Positive Electrode for Fiber Battery - Disclosed is a nickel positive electrode for a fiber battery having a long life duration, and also being enabling a high output and high capacity to be attained. For this purpose, the nickel positive electrode for a fiber battery is obtained by coating a carbon fiber with nickel, then causing a cathodic polarization in a nickel nitrate bath using the nickel-coated carbon fiber as a cathode, and then immersing the precipitate, which was deposited on the surface of the carbon fiber by the cathodic polarization, in an aqueous caustic alkali solution. | 11-24-2011 |
20110287321 | SURFACE MODIFIED LITHIUM-CONTAINING COMPOSITE OXIDE FOR CATHODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND ITS PRODUCTION PROCESS - To provide a surface modified lithium-containing composite oxide having excellent discharge capacity, volume capacity density, safety, durability for charge and discharge cycles, and high rate property. | 11-24-2011 |
20110305954 | POSITIVE ACTIVE MATERIAL PRECURSOR FOR SECONDARY LITHIUM BATTERY, POSITIVE ACTIVE MATERIAL USING SAME, AND SECONDARY LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - Disclosed is a positive active material precursor for a secondary lithium battery, which is represented by the following Chemical Formula 1 and has an intensity ratio of I | 12-15-2011 |
20110305955 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes pores having an average diameter of about 10 nm to about 60 nm and a porosity of about 0.5% to about 20%. Also disclosed is a method of preparing the positive active material, and a rechargeable lithium battery including the positive active material. | 12-15-2011 |
20120003541 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - A positive active material for lithium secondary battery containing a composite that includes a composite of lithium aluminum oxide and lithium nickel oxide and lithium secondary battery using the same. | 01-05-2012 |
20120003542 | LITHIUM ION SECONDARY BATTERY - A high safety cathode active material having large capacity, suppressing deterioration in storage at high temperature, and ensuring thermal stability in a charged state is provided. A cathode active material represented by a composition formula of Li | 01-05-2012 |
20120009476 | NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY USING THE NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL - A nickel (Ni)-based positive electrode active material, a method of preparing the same, and a lithium battery using the Ni-based positive electrode active material. | 01-12-2012 |
20120015250 | POSITIVE ELCTRODE MATERIALS FOR LITHIUM ION BATTERIES AND PROCESS FOR PREPARING THE SAME - Provided are a positive electrode material for lithium ion batteries and a process for preparing the same. The positive electrode material for lithium ion batteries comprises a composite positive electrode material consists of LiCoO | 01-19-2012 |
20120015251 | METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL LAYER - The main object of the present invention is to provide a method for producing a cathode active material layer, which allows a high-purity lithium complex oxide by restraining impurities from being produced, allows a flat film, and allows orientation control. The present invention solves the above-mentioned problems by providing a method for producing a cathode active material layer, in which a cathode active material layer is formed on a substrate and contains LiX | 01-19-2012 |
20120040247 | LAYERED COMPOSITE MATERIALS HAVING THE COMPOSITION: (1-x-y)LiNiO2(xLi2Mn03)(yLiCoO2), AND SURFACE COATINGS THEREFOR - A straightforward and scalable solid-state synthesis at 975° C. used to generate cathode materials in the system Li | 02-16-2012 |
20120064410 | POSITIVE ELECTRODE PLATE, METHOD OF MANUFACTURING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE PLATE - A positive electrode plate, a method of manufacturing the same, and a lithium battery including the positive electrode plate are disclosed. The positive electrode plate comprises particles of a nickel-based composite oxide represented by Formula 1, wherein the particles have an average particle diameter D | 03-15-2012 |
20120070743 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material and a method of preparing a positive active material, and a lithium battery including the positive active material. In one embodiment, the positive active material includes single particles each being represented by Formula 1: | 03-22-2012 |
20120121985 | POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME - A positive electrode active material provided by the present invention is formed of a lithium-nickel-containing metal phosphate compound represented by a general formula: LiNi | 05-17-2012 |
20120135310 | CATHODE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention relates to a cathode active material for a lithium secondary battery, a method of preparing thereof and a lithium secondary battery comprising the same, wherein the cathode active material comprises a compound of formula (I): | 05-31-2012 |
20120183856 | ELECTRODE INCLUDING NANOSTRUCTURES FOR RECHARGEABLE CELLS - A lithium ion battery electrode includes silicon nanowires used for insertion of lithium ions and including a conductivity enhancement, the nanowires growth-rooted to the conductive substrate. | 07-19-2012 |
20120183857 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes: a positive electrode that contains a positive electrode active material; a negative electrode; and a nonaqueous electrolyte. The positive electrode active material is amorphous and is expressed by Li | 07-19-2012 |
20120208087 | LITHIUM SECONDARY BATTERY - A lithium secondary battery according to the present invention includes: a positive electrode having a positive-electrode active material capable of occluding and releasing lithium ions; a negative electrode having a negative-electrode active material capable of occluding and releasing lithium ions; a separator interposed between the positive electrode and the negative electrode; and an electrolyte having lithium-ion conductivity. The positive-electrode active material contains a nickel-type lithium-containing complex oxide. The negative-electrode active material contains a graphite-type material having a reversible capacity of 350 mAh/g or more and an irreversible capacity of 30 mAh/g or less. A ratio Qc/Qa between an irreversible capacity Qc per unit area in a portion of the positive electrode that opposes the negative electrode and an irreversible capacity Qa per unit area in a portion of the negative electrode that opposes the positive electrode is equal to or greater than 0.50 but less than 1.13. As a result, the charge-discharge cycle characteristics can be improved while ensuring a high capacity. | 08-16-2012 |
20120219861 | CATHODE MATERIAL, CATHODE, AND LITHIUM ION SECONDARY BATTERY - It is an object to provide a cathode active material and a cathode which can attain a lithium ion secondary battery with high capacity and high security, and further to provide the lithium ion secondary battery with high capacity and high security. | 08-30-2012 |
20120231341 | POSITIVE ACTIVE MATERIAL, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE POSITIVE ACTIVE MATERIAL - Embodiments of the present invention are directed to a positive active material, an electrode including the positive active material, and a lithium battery including the electrode. Due to the inclusion of a phosphate compound having an olivine structure and a lithium nickel composite oxide in the positive active material, the positive active material has high electric conductivity and high electrode density. A lithium battery manufactured using the positive active material has high capacity and good high-rate characteristics. | 09-13-2012 |
20120231342 | Positive Electrode Active Material For Lithium-Ion Battery, Positive Electrode For Lithium-Ion Battery, And Lithium-Ion Battery - The present invention provides a positive electrode active material for lithium ion batteries having excellent rate performance. | 09-13-2012 |
20120251883 | ELECTROCHEMICAL DEVICE WITH HIGH CAPACITY AND METHOD FOR PREPARING THE SAME - Disclosed is a method for preparing an electrochemical device, comprising the steps of: charging an electrochemical device using an electrode active material having a gas generation plateau potential in a charging period to an extent exceeding the plateau potential; and degassing the electrochemical device. An electrochemical device, which comprises an electrode active material having a gas generation plateau potential in a charging period, and is charged to an extent exceeding the plateau potential and then degassed, is also disclosed. | 10-04-2012 |
20120258364 | C2/M-Structured Cathode Material for Lithium-Ion Battery - Disclosed is a C2/m-structured cathode material for a lithium-ion battery. The cathode material includes a lithium transition metal oxide represented by a formula of: | 10-11-2012 |
20120258365 | CATHODE ACTIVE MATERIAL PRECURSOR PARTICLE, CATHODE ACTIVE MATERIAL PARTICLE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - The invention provides lithium secondary battery cathode active material particle, which is formed as a secondary particle that is a mass of a plurality of single-crystal primary particles of a lithium-nickel-based complex oxide having a layered rock salt structure, wherein the primary particles have a mean particle size of 0.01 to 5 μm, and the secondary particle has an aspect ratio, which is a ratio of long axis diameter to short axis diameter, of 1.0 or more and less than 2 and a mean particle size of 1 to 100 μm, wherein the ( | 10-11-2012 |
20120258366 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery is a secondary particle formed of an assembly of primary particles of a nickel-based compound. The positive active material has an average particle diameter ranging from 5.5 μm to 7.5 μm and a specific surface area ranging from 0.40 m | 10-11-2012 |
20120270106 | POSITIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY - To provide a positive electrode for nonaqueous secondary batteries having improved charge/discharge cycle characteristics, the positive electrode contains in its active material layer a compound represented by formula: | 10-25-2012 |
20120270107 | NICKEL-COBALT-MANGANESE COMPLEX HYDROXIDE PARTICLES AND METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same. | 10-25-2012 |
20120276453 | Coated Nickel Hydroxide Powder as Cathode Active Material for Alkaline Secondary Battery and Method for Producing the Same - A method for producing a coated nickel hydroxide powder suitable as a cathode active material for alkaline secondary battery includes the steps of: dispersing a nickel hydroxide powder in water to prepare a suspension, an aqueous alkali solution to the suspension with stirring to keep a pH of the suspension at 8 or higher as measured at 25° C., and supplying an aqueous cobalt salt solution to the suspension to coat a surface of each of particles of the nickel hydroxide powder with cobalt hydroxide crystallized out by neutralization. | 11-01-2012 |
20120276454 | NICKEL COMPLEX HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Disclosed are: nickel complex hydroxide particles that have small and uniform particle diameters; and a method by which the nickel complex hydroxide particles can be produced. Specifically disclosed is a method for producing a nickel complex hydroxide by a crystallization reaction, which comprises: a nucleation step in which nucleation is carried out, while controlling an aqueous solution for nucleation containing an ammonium ion supplying material and a metal compound that contains nickel to have a pH of 12.0-13.4 at a liquid temperature of 25° C.; and a particle growth step in which nuclei are grown, while controlling an aqueous solution for particle growth containing the nuclei, which have been formed in the nucleation step, to have a pH of 10.5-12.0 at a liquid temperature of 25° C. In this connection, the pH in the particle growth step is controlled to be less than the pH in the nucleation step. | 11-01-2012 |
20120282524 | NONAQUEOUS SECONDARY BATTERY - The present invention provides a nonaqueous secondary battery with a high capacity, an excellent level of safety, and excellent charge-discharge cycle characteristics. The negative electrode contains, as negative electrode active materials, a graphite carbon material and a material containing Si as a constituent element, and the positive electrode includes, as a positive electrode active material, a lithium-containing composite oxide represented by the following general composition formula (1) and containing sulfur in a range of 0.01 mass % to 0.5 mass %: | 11-08-2012 |
20120282525 | ACTIVE MATERIAL PARTICLES AND USE OF SAME - Active material particles are provided that exhibit performance suitable for increasing the output of a lithium secondary battery and little deterioration due to charge-discharge cycling. The active material particles provided by the present invention have a hollow structure having secondary particles including an aggregate of a plurality of primary particles of a lithium transition metal oxide, and a hollow portion formed inside the secondary particles, and through holes that penetrates to the hollow portion from the outside are formed in the secondary particles. BET specific surface area of the active material particles is 0.5 to 1.9 m | 11-08-2012 |
20120288766 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material, a method of preparing the same, and a lithium battery including the negative active material. The negative active material includes a carbonaceous core that has a sulfur content of about 10 ppm to 900 ppm; and an amorphous carbon layer continuously formed on a surface of the carbonaceous core, wherein the carbonaceous core has a crystalloid plate structure, and a crystallite size measured from a full width at half maximum of the peak with respect to the surface (002) of about 10 nm to about 45 nm in an X-ray diffraction spectrum of the carbonaceous core. The lithium battery including a negative electrode including the negative active material has improved capacity characteristics and ring lifetime characteristics. | 11-15-2012 |
20120295163 | ELECTRIC STORAGE DEVICE AND POSITIVE ELECTRODE - An electric storage device is provided with a positive electrode having a positive-electrode mixture layer including a positive-electrode active material. The positive-electrode active material includes a lithium-vanadium-phosphate from 8% to 70% by mass and a lithium-nickel complex oxide from 20% to 82% by mass. A coating concentration of the positive-electrode mixture layer is from 4 mg/cm | 11-22-2012 |
20120301786 | LITHIUM ION SECONDARY BATTERY, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode contains a lithium composite oxide. The negative electrode contains a material including at least one of silicon Si and tin Sn as a constituent element. The lithium composite oxide includes lithium Li having a composition ratio a, a first element having a composition ratio b, and a second element having a composition ratio c as a constituent element. The first element including two kinds or more selected from among manganese Mn, nickel Ni, and cobalt Co, and including at least manganese. The second element including at least one kind selected from among aluminum Al, titanium Ti, magnesium Mg, and boron B. The composition ratios a to c satisfy the relationships of 1.1b+c. | 11-29-2012 |
20120328948 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a non-aqueous electrolyte. The positive electrode active material includes a lithium-nickel-manganese composite oxide having a hexagonal layered rock-salt structure that belongs to the space group R-3 | 12-27-2012 |
20130004849 | Positive Electrode Active Material For Lithium-Ion Battery, Positive Electrode For Lithium-Ion Battery, And Lithium-Ion Battery - The present invention provides a positive electrode active material for lithium ion battery having good rate characteristics. The positive electrode active material for lithium ion battery has a layer structure expressed by a composition formula: Li | 01-03-2013 |
20130011740 | Lithium Secondary Battery - The positive-electrode material of the lithium secondary battery according to the present invention includes a first positive-electrode active material, and a second positive-electrode active material, the first positive-electrode active material denoted by a composition formula Li | 01-10-2013 |
20130017448 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERYAANM Suzuki; AkihiroAACI Kobe CityAACO JPAAGP Suzuki; Akihiro Kobe City JPAANM Niina; FumiharuAACI Kobe CityAACO JPAAGP Niina; Fumiharu Kobe City JPAANM Tode; ShingoAACI Kasai CityAACO JPAAGP Tode; Shingo Kasai City JPAANM Yoshida; ToshikazuAACI Kakogawa CityAACO JPAAGP Yoshida; Toshikazu Kakogawa City JPAANM Kida; YoshinoriAACI Kobe CityAACO JPAAGP Kida; Yoshinori Kobe City JP - In a nonaqueous electrolyte secondary battery including a positive electrode ( | 01-17-2013 |
20130022874 | POSITIVE ELECTRODE FOR A LITHIUM BATTERY - A method for producing a lithium alkali transition metal oxide for use as a positive electrode material for lithium secondary batteries by a precipitation method. The positive electrode material is a lithium alkali transition metal composite oxide and is prepared by mixing a solid state mixed with alkali and transition metal carbonate and a lithium source. The mixture is thermally treated to obtain a small amount of alkali metal residual in the lithium transition metal composite oxide cathode material. | 01-24-2013 |
20130040201 | HIGH CAPACITY LAYERED OXIDE CATHODS WITH ENHANCED RATE CAPABILITY - The present invention provides a surface modified cathode and method of making surface modified cathode with high discharge capacity and rate capability having a lithium-excess Li[M | 02-14-2013 |
20130040202 | MIXED OXIDE POWDER CONTAINING THE ELEMENTS LITHIUM, MANGANESE, NICKEL AND COBALT AND METHOD FOR PRODUCING SAME - Mixed oxide which has the composition Li | 02-14-2013 |
20130045421 | NICKEL-COBALT-MAGANESE-BASED COMPOUND PARTICLES AND PROCESS FOR PRODUCING THE NICKEL-COBALT-MANGANESE-BASED COMPOUND PARTICLES, LITHIUM COMPOSITE OXIDE PARTICLES AND PROCESS FOR PRODUCING THE LITHIUM COMPOSITE OXIDE PARTICLES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to nickel-cobalt-manganese-based compound particles which have a volume-based average secondary particle diameter (D50) of 3.0 to 25.0 μm, wherein the volume-based average secondary particle diameter (D50) and a half value width (W) of the peak in volume-based particle size distribution of secondary particles thereof satisfy the relational formula: W≦0.4×D50, and can be produced by dropping a metal salt-containing solution and an alkali solution to an alkali solution at the same time, followed by subjecting the obtained reaction solution to neutralization and precipitation reaction. The nickel-cobalt-manganese-based compound particles according to the present invention have a uniform particle size, a less content of very fine particles, a high crystallinity and a large primary particle diameter, and therefore are useful as a precursor of a positive electrode active substance used in a non-aqueous electrolyte secondary battery. | 02-21-2013 |
20130071748 | CATHODE ACTIVE MATERIAL PRECURSOR PARTICLE, METHOD FOR PRODUCING THEREOF AND METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - A cathode active material precursor particle, a method for producing thereof and a method for producing cathode active material for a lithium secondary battery. The cathode active material precursor particle is capable of forming a cathode active material for a lithium secondary battery including a lithium composite oxide having a layered rock salt structure through lithium incorporation. The particles are characterized by the cathode active material precursor particle being formed into a substantially spherical shape and includes therein a large number of voids in a substantially uniform manner; and the cathode active material precursor particle has: an average particle diameter D50 of 0.5 to 5 μm; a specific surface area of 3 to 25 m | 03-21-2013 |
20130078520 | NICKEL MANGANESE COMPOSITE HYDROXIDE PARTICLES AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are nickel manganese composite hydroxide particles that are a precursor for forming cathode active material comprising lithium nickel manganese composite oxide having hollow structure of particles having a small and uniform particle size for obtaining a non-aqueous electrolyte secondary battery having high capacity, high output and good cyclability. | 03-28-2013 |
20130089787 | LITHIUM ION SECONDARY BATTERY - Disclosed is a lithium ion secondary battery which includes a positive electrode, a negative electrode and a nonaqueous electrolyte solution. The positive electrode contains, as the positive electrode active material, a lithium-transition metal composite oxide having a layered structure. The positive electrode active material includes at least one metal element M | 04-11-2013 |
20130101900 | LITHIUM SECONDARY BATTERY - Provided is a lithium secondary battery that comprises a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a non-aqueous electrolyte. The positive electrode active material is a nickel-containing lithium complex oxide having a layered structure. The oxide has a composition in which W and Zr are added, and contains no Nb. | 04-25-2013 |
20130108926 | NICKEL COMPOSITE HYDROXIDE FOR A LITHIUM SECONDARY BATTERY, LITHIUM COMPOSITE OXIDE FOR A LITHIUM SECONDARY BATTERY PREPARED USING THE NICKEL COMPOSITE HYDROXIDE, METHODS OF PREPARING THE NICKEL COMPOSITE HYDROXIDE AND LITHIUM COMPOSITE OXIDE, POSITIVE ELECTRODE FOR A LITHIUM SECONDARY BATTERY THAT INCLUDES THE LITHIUM COMPOSITE OXIDE, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE | 05-02-2013 |
20130115515 | CATHODE ACTIVE MATERIAL FOR OVERCHARGE PROTECTION IN SECONDARY LITHIUM BATTERIES - Provided herein is an electrode active material comprising a lithium metal oxide and an overcharge protection additive having an operating voltage higher than the operating voltage of the lithium metal oxide. | 05-09-2013 |
20130130112 | SILICON BASED SHAPE MEMORY ALLOY NEGATIVE ACTIVE MATERIAL, NEGATIVE ACTIVE MATERIAL COMPOSITION INCLUDING SAME, RECHARGEABLE LITHIUM BATTERY INCLUDING SAME, AND METHOD OF PREPARING SAME - A silicon-based shape memory alloy negative active material includes a silicon-based material precipitated on a Ni | 05-23-2013 |
20130130113 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - The invention relates to positive electrode for lithium secondary battery which comprises an active material and a conductive material, wherein the active material comprises a lithium-transition metal compound which has a function of being capable of insertion and desorption of lithium ion, the lithium-transition metal compound gives a surface-enhanced Raman spectrum which has a peak at 800-1,000 cm | 05-23-2013 |
20130136990 | CATHODE ACTIVE MATERIAL, METHOD FOR MAKING THE SAME AND LITHIUM ION BATTERY USING THE SAME - A cathode active material of a lithium ion battery includes a number of LiNi | 05-30-2013 |
20130136991 | HIGH ENERGY/POWER DENSITY NICKEL OXIDE/HYDROXIDE MATERIALS AND NICKEL COBALT OXIDE/HYDROXIDE MATERIALS AND PRODUCTION THEREOF - According to one embodiment, a material includes a nickel oxide/hydroxide active film, wherein the nickel oxide/hydroxide active film has a physical characteristic of maintaining greater than about 80% charge over greater than 500 charge/discharge cycles, and wherein the nickel oxide/hydroxide active film has a physical characteristic of storing electrons at greater than about 0.5 electron per nickel atom. | 05-30-2013 |
20130136992 | ALKALINE SECONDARY BATTERY AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE MATERIAL FOR ALKALINE SECONDARY BATTERY - An alkaline secondary battery includes a positive electrode containing a positive electrode material having nickel hydroxide, a cobalt-cerium compound containing cobalt and cerium, and a compound with at least one element of calcium, yttrium, europium, holmium, erbium, thulium, ytterbium and lutetium. Further, the positive electrode material is prepared by powder mixing nicked hydroxide particles, a cobalt-cerium compound, and a compound with at least one element of calcium, yttrium, europium, holmium, erbium, thulium, ytterbium and lutetium. | 05-30-2013 |
20130143124 | BRANCHED NANOSTRUCTURES FOR BATTERY ELECTRODES - The invention relates to electrochemical electrodes containing branched nanostructures having increased surface area and flexibility. These branched nanostructures allow for higher anode density, resulting in the creation of smaller, longer-lasting, more efficient batteries which require less area for the same charging capacity. Also disclosed are methods for creating said branched nanostructures and electrodes. | 06-06-2013 |
20130149608 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ACTIVE MATERIAL - A positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the positive active material. The positive active material includes a core part and a shell part that include a nickel-based composite oxide, and a content of nickel in the core part is larger than that in the shell part. | 06-13-2013 |
20130149609 | LITHIUM METAL OXIDES WITH MULTIPLE PHASES AND STABLE HIGH ENERGY ELECTROCHEMICAL CYCLING - Electrochemically active material comprising a lithium metal oxide composition approximately represented by the formula Li | 06-13-2013 |
20130157136 | COATING OF DISORDERED CARBON ACTIVE MATERIAL USING WATER-BASED BINDER SLURRY - An electrochemical cell manufactured by coating a conductive substrate of an electrode with a disordered carbon active material using a water-based binder slurry. An exemplary binder slurry includes at least one disordered carbon material, carboxymethyl cellulose (CMC), styrene butadiene rubber (SBR), and water. | 06-20-2013 |
20130164623 | POSITIVE ELECTRODE ACTIVE MATERIAL - The present invention provides a positive electrode active material. The positive electrode active material is represented by the following formula (I) and has a BET specific surface area of larger than 5 m | 06-27-2013 |
20130177809 | LITHIUM ION SECONDARY BATTERY - A lithium-ion secondary battery comprising a positive electrode and a negative electrode is provided. The positive electrode comprises as a positive electrode active material a lithium transition metal composite oxide having a layered structure. The composite oxide contains as its metal components at least one species of Ni, Co and Mn as well as W and Ca. The composite oxide contains 0.26 mol % or more, but 5 mol % or less of W and Ca combined when all the metal elements contained in the oxide excluding lithium account for a total of 100 mol %, with the ratio (m | 07-11-2013 |
20130183585 | POSITIVE ACTIVE MATERIAL PRECURSOR FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY USING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE PREPARED POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - Provided are a positive active material precursor for a rechargeable lithium battery including a metal oxide represented by Chemical Formula 1, a positive active material for a rechargeable lithium battery that is obtained by using the positive active material precursor for a rechargeable lithium battery and includes a compound represented by a Chemical Formula 2, and a rechargeable lithium battery including the positive active material for a rechargeable lithium battery. | 07-18-2013 |
20130183586 | PROCESS FOR PRODUCING ELECTRODE MATERIALS - A process for producing electrode materials, which comprises treating a mixed oxide which comprises Li and at least one transition metal as cations with at least one boron compound which has at least one alkoxy group or at least one halogen atom per molecule. | 07-18-2013 |
20130189581 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a cathode active material for a nonaqueous electrolyte secondary battery with a high capacity, high stability and excellent output characteristics and a method for producing the same, and a nonaqueous electrolyte secondary battery using the cathode active material. | 07-25-2013 |
20130202965 | RECHARGEABLE BATTERY CELL WITH IMPROVED HIGH TEMPERATURE PERFORMANCE - An alkaline, rechargeable electrochemical cell includes a pasted electrode structure in which a composition comprising a paste matrix component includes cobalt in an amount greater than 6 weight percent ranging up to 14 weight percent. The matrix may also include a rare earth such as yttrium. The composition further includes particles of nickel hydroxide dispersed in the matrix, and these particles include cobalt levels ranging from greater than 8 atomic percent up to 15 atomic percent. Cells incorporating these materials have good charging efficiency at elevated temperatures. | 08-08-2013 |
20130202966 | METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR AND POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY HAVING CONCENTRATION-GRADIENT LAYER USING BATCH REACTOR, AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR AND POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY PREPARED BY THE METHOD - The present invention relates to a method for preparing a positive electrode active material precursor and a positive electrode material for a lithium secondary battery having a concentration-gradient layer using a batch reactor, and to a positive electrode active material precursor and a positive electrode material for a lithium secondary battery prepared by the method. The method for preparing a positive electrode active material precursor and a positive electrode active material for a lithium secondary battery having a concentration-gradient layer using a batch reactor involves supplying a predetermined amount of a chelating agent into the batch reactor, and simultaneously supplying transition metals while continuously adjusting the concentration of the transition metals such that the concentration-gradient layer can be formed from a core to a shell of the positive electrode active material in a more economically advantageous and stable manner, and at the same time a positive electrode active material having an elongated lifespan and improved thermal stability can be provided. | 08-08-2013 |
20130209885 | Alumina Dry-Coated Cathode Material Precursors - A particulate precursor compound for manufacturing an aluminum doped lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-hydroxide or (M)-oxy-hydroxide core and a non-amorphous aluminum oxide coating layer covering the core. By providing an aluminum thy-coating process where the particulate precursor core compound is mixed with alumina powder in one or more procedures, higher doping levels of aluminum compared to the known prior art may be achieved. The crystal structure of the alumina is maintained during the coating procedures and the core of each mixed transition metal precursor particle is surrounded by a coating layer containing crystalline alumina nano particles. The aluminum concentration in the particulate precursor decreases as the size of the core increases. | 08-15-2013 |
20130230775 | ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCTION OF THE ACTIVE MATERIAL, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - There is provided an active material for a nonaqueous electrolyte secondary battery, including a lithium-transition metal composite oxide which has an α-NaFeO | 09-05-2013 |
20130230776 | CATHODE ACTIVE MATERIAL, METHOD OF MANUFACTURING IT, CATHODE, AND BATTERY - A cathode active material capable of increasing a capacity and improving high temperature characteristics or cycle characteristics, a method of manufacturing it, a cathode using the cathode active material, and a battery using the cathode active material are provided. In a cathode active material contained in a cathode, a coating layer is provided on at least part of complex oxide particle containing at least lithium (Li) and cobalt (Co). The coating layer is an oxide which contains lithium (Li) and at least one of nickel (Ni) and manganese (Mn). | 09-05-2013 |
20130236788 | CATHODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, CATHODE BATTERY, AND METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL - The present invention provides a cathode active material for a lithium ion secondary battery excellent in the cycle characteristics and rate characteristics even when charged at a high voltage, a cathode, a lithium ion secondary battery and a method for producing a cathode active material for a lithium ion secondary battery. The cathode active material comprises particles (II) having an oxide (I) of at least one metal element selected from Zr, Ti and Al locally distributed at the surface of a lithium-containing composite oxide comprising Li element and at least one transition metal element selected from the group consisting of Ni, Co and Mn (provided that the molar amount of the Li element is more than 1.2 times the total molar amount of said transition metal element). | 09-12-2013 |
20130236789 | CONDUCTIVE AGENT FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a conductive agent for a nonaqueous electrolyte secondary battery and the like, in which oxidative decomposition reaction of an electrolyte is sufficiently suppressed during charging and discharging under high-temperature, high-voltage conditions and thus the cycle characteristics under these conditions are improved. | 09-12-2013 |
20130252108 | METAL-DOPED NICKEL OXIDE ACTIVE MATERIALS - A primary alkaline battery includes a cathode having an alkali-deficient nickel (IV)-containing oxide including metals such as Ni, Co, Mg, Al, Ca, Y, Mn, and/or non-metals such as B, Si, Ge or a combination of metal and/or non-metal ions as stabilizing dopants; a combination of metal ions as dopants; an anode; a separator between the cathode and the anode; and an alkaline electrolyte. The battery can be pre-discharged within one hour after assembly to decrease the open circuit voltage. | 09-26-2013 |
20130252109 | Positive Electrode Active Material for Lithium Secondary Battery and Method for Preparing the Same - Provided is a method for preparing a positive electrode active material for a lithium secondary battery, the method comprising: mixing and reacting a nickel source, a cobalt source, and an aluminum source, ammonia water, sucrose, and a pH adjusting agent to prepare a mixed solution; drying and oxidizing the mixed solution to prepare a positive electrode active material precursor; and adding a lithium source to the positive electrode active material precursor and firing them to prepare a positive electrode active material for a lithium secondary battery. | 09-26-2013 |
20130260249 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME - A lithium ion secondary battery and a method for preparing the same are provided. The lithium ion secondary battery includes a positive electrode having a positive active material represented by Formula (1), a negative electrode and an electrolyte, wherein the positive active material is activated by performing a first charge operation with a voltage ranging from 4.5 V to 4.7 V and the voltage is then reduced to less than 4.5 V: | 10-03-2013 |
20130260250 | SECONDARY BATTERY - A secondary battery is provided with a positive electrode active material layer a containing a positive electrode active material, a negative electrode active material layer containing a negative electrode active material, an electrolyte layer formed between the positive electrode active material layer and the negative electrode active material layer, and a modification material disposed at an interface between an electrolyte material and at least one electrode active material among the positive electrode active material and the negative electrode active material, and having a higher relative permittivity than the relative permittivity of the electrolyte material. | 10-03-2013 |
20130266868 | METHOD OF PREPARING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY PREPARED BY USING THE METHOD, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are a method of preparing a positive active material for a rechargeable lithium battery that includes: forming a positive active material for a rechargeable lithium battery precursor by mixing at least one of a nickel source, a cobalt source, and a manganese source with a carbon source and a solvent; and mixing the active material precursor for a rechargeable lithium battery and a lithium source followed by heat treatment, a positive active material for a rechargeable lithium battery prepared in the method, and a rechargeable lithium battery including the same. | 10-10-2013 |
20130273428 | POWER STORAGE DEVICE - A power storage device a positive electrode including a positive electrode active material layer and a negative electrode including a negative electrode active material layer. The positive electrode active material layer includes a plurality of particles of x[Li | 10-17-2013 |
20130273429 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In nonaqueous electrolyte secondary batteries whose positive electrode includes a positive electrode active material containing a lithium-excess transition metal oxide, the charge-discharge cycle characteristics are improved. The positive electrode active material contains a first active material represented by general formula LiCo | 10-17-2013 |
20130288129 | NICKEL MANGANESE COMPOSITE HYDROXIDE PARTICLES AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To obtain a non-aqueous electrolyte secondary battery having high capacity, high output and good cyclability, nickel manganese composite hydroxide particles are a precursor for a cathode active material having lithium nickel manganese composite oxide with a hollow structure and a small and uniform particle size. | 10-31-2013 |
20130302687 | ACTIVE MATERIAL PARTICLES AND USE OF SAME - Active material particles are provided that exhibit performance suitable for increasing the output of a lithium secondary battery and little deterioration due to charge-discharge cycling. The active material particles provided by the present invention have a hollow structure having secondary particles including an aggregate of a plurality of primary particles of a lithium transition metal oxide, and a hollow portion formed inside the secondary particles, and through holes that penetrates to the hollow portion from the outside are formed in the secondary particles. BET specific surface area of the active material particles is 0.5 to 1.9 m | 11-14-2013 |
20130302688 | LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME - A lithium secondary battery according to the present invention includes a positive electrode containing a positive electrode active material capable of occluding/releasing lithium ions; a negative electrode containing a negative electrode active material capable of occluding/releasing lithium ions; a separator located between the positive electrode and the negative electrode; and an electrolyte having a lithium ion conductivity. The positive electrode active material contains a lithium nickel complex oxide substantially having an irreversible capacity; the negative electrode active material has lithium occluded thereto in advance; and in a completely discharged state of the lithium secondary battery when an environmental temperature is 25° C., an amount of lithium releasable from the negative electrode is larger than an irreversible capacity of the lithium secondary battery. | 11-14-2013 |
20130302689 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - It is an object of the present invention to provide a positive electrode for nonaqueous electrolyte secondary batteries that can suppress decreases in the discharge capacity and discharge voltage even when continuous charging is performed at high temperature and that can also suppress decreases in the discharge voltage and energy density even in the charge and discharge after the continuous charging, and to provide a nonaqueous electrolyte secondary battery that uses the positive electrode. The positive electrode includes a positive electrode active material composed of a mixture containing lithium cobalt oxide | 11-14-2013 |
20130309575 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery exhibits good high-rate charge/discharge characteristic and good charge/discharge cycle property even when the packing density of the negative electrode is increased. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte, in which the negative electrode active material is a mixture of a carbon material and metal particles of at least one selected from zinc, aluminum, tin, calcium, and magnesium. | 11-21-2013 |
20130323598 | LITHIUM NICKEL COBALT MANGANESE COMPOSITE OXIDE CATHODE MATERIAL - A lithium nickel cobalt manganese composite oxide cathode material includes a plurality of secondary particles. Each secondary particle consists of aggregates of fine primary particles. Each secondary particle includes lithium nickel cobalt manganese composite oxide, which is expressed as Li | 12-05-2013 |
20130323599 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode active material (and a secondary battery having the same) comprising a combination of lithium manganese composite oxide with a spinel structure of Formula 1 and an oxide of Formula 2, the material having a broad potential region at 3.0 to 4.8V upon initial charge: | 12-05-2013 |
20130330625 | Lithium Nickel Cobalt Composite Oxide Cathode Material - A lithium nickel cobalt composite oxide cathode material includes a plurality of secondary particles. Each secondary particle consists of aggregates of fine primary particles. Each secondary particle includes lithium nickel cobalt composite oxide, which is expressed as Li | 12-12-2013 |
20130330626 | LI-NI-BASED COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to Li—Ni-based composite oxide particles comprising Mn, and Co and/or Al, wherein Co and Al are uniformly dispersed within the particles, and Mn is present with a gradient of its concentration in a radial direction of the respective particles such that a concentration of Mn on a surface of the respective particles is higher than that at a central portion thereof. The Li—Ni-based composite oxide particles can be produced by allowing an oxide and a hydroxide comprising Mn to mechanically adhere to Li—Ni-based oxide comprising Co and/or Al; and then heat-treating the obtained material at a temperature of not lower than 400° C. and not higher than 1,000° C. The Li—Ni-based composite oxide particles of the present invention are improved in thermal stability and alkalinity. | 12-12-2013 |
20130330627 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. At least one of the positive electrode active material layer and the negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 10 ml per 1 g when heated at 350° C. for 1 minute. | 12-12-2013 |
20130330628 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - The present invention provides a positive electrode active material for a nonaqueous electrolyte secondary battery which is capable of improving an initial discharge capacity and suppressing a decrease in discharge voltage and a decrease in battery capacity even in repeated charge-discharge cycles, a positive electrode using the active material, and a nonaqueous electrolyte secondary battery using the positive electrode. The positive electrode active material includes a particle | 12-12-2013 |
20130337331 | NICKEL COMPOSITE HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide nickel composite hydroxide particles having a small and uniform particle diameter and a method for producing the same. | 12-19-2013 |
20130337332 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY - The positive electrode active material includes a compound represented by the following composition formula: | 12-19-2013 |
20130344387 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRECURSOR OF POSITIVE ACTIVE MATERIAL, ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - Provided is a positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an α-NaFeO | 12-26-2013 |
20130344388 | TWO-PHASE POSITIVE ELECTRODE MATERIAL FOR A LITHIUM BATTERY AND METHOD FOR THE SYNTHESIS OF SAME - The invention relates to a two-phase positive electrode material for a lithium battery, which includes particles of a lithium-enriched lamellar oxide, the surface of which is at least partially covered by a metal oxide having formula LiyVOz, wherein 012-26-2013 | |
20140004423 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCTION THEREOF, ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY | 01-02-2014 |
20140004424 | ALKALINE STORAGE CELL AND METHOD FOR MANUFACTURING ALKALINE STORAGE CELL | 01-02-2014 |
20140030596 | CATHODE FOR SODIUM-METAL HALIDE BATTERY, BATTERY COMPRISING THE SAME, METHODS FOR PREPARING THE SAME AND USE THEREOF - A cathode for a sodium-metal halide battery, wherein the cathode comprises a metal microwire. Embodiments of the present invention also relate to a battery comprising a cathode for a sodium-metal halide battery wherein the cathode comprises a metal microwire, and methods for preparing the same and use thereof. | 01-30-2014 |
20140038053 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, LITHIUM SECONDARY BATTERY ELECTRODE, AND LITHIUM SECONDARY BATTERY - A positive active material for a lithium secondary battery contains a lithium-transition metal composite oxide represented by a composition formula of Li | 02-06-2014 |
20140038054 | ALL-SOLID-STATE BATTERY AND PRODUCTION METHOD THEREOF - An all-solid-state battery has a mixed electrode layer in which a positive electrode active material and a negative electrode active material are present in a dispersed state. A solid electrolyte section that contains at least one element that makes up the positive electrode active material and at least one element that makes up the negative electrode active material is formed at an interface between the positive electrode active material and the negative electrode active material. The solid electrolyte section is not formed at interfaces between the positive electrode active material portions and at interfaces between the negative electrode active material portions. The positive electrode active material and the negative electrode active material are in the form of predetermined combinations. | 02-06-2014 |
20140038055 | ELECTRODE BODY, METHOD FOR PRODUCING ELECTRODE BODY, AND BATTERY PROVIDED WITH ELECTRODE BODY - In a (001) pole figure of the active material particles, where a plane parallel to the substrate is defined as the equatorial plane, a Lotgering factor f | 02-06-2014 |
20140038056 | Electrode Materials For Rechargeable Battery - A positive electrode is disclosed for a non-aqueous electrolyte lithium rechargeable cell or battery. The electrode comprises a lithium containing material of the formula Na | 02-06-2014 |
20140045070 | ELECTROCHEMICAL CELLS COMPRISING POLYIMIDES - Electrochemical cell comprising (A) at least one anode as component (A), (B) at least one cathode as component (B), (C) at least one non-aqueous electrolyte as component (C), (D) at least one separator positioned between anode (A) and cathode (B), as component (D), characterized in that separator (D) is manufactured from at least one polyimide selected from branched condensation products of (a) at least one polycarboxylic acid having at least 3 COOH groups per molecule or an anhydride or ester thereof, and (b) and at least one compound, selected from (b1) at least one polyamine having on average more than two amino groups per molecule and (b2) at least one polyisocyanate having on average more than two isocyanate groups per molecule. | 02-13-2014 |
20140065483 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide. | 03-06-2014 |
20140065484 | LITHIUM SECONDARY BATTERY - An object of the present invention is to provide a lithium secondary battery that has a lithium nickel phosphate compound in the positive electrode, is free of collapse of the crystal structure even at high potentials and is resistant to cycle deterioration. The lithium secondary battery according to the present invention has a positive electrode active material. This positive electrode active material contains a lithium nickel phosphate compound that is represented by the general formula LiNi | 03-06-2014 |
20140080000 | LITHIUM SECONDARY BATTERY OF HIGH POWER PROPERTY WITH IMPROVED HIGH POWER DENSITY - Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator. | 03-20-2014 |
20140080001 | LITHIUM SECONDARY BATTERY OF HIGH ENERGY DENSITY WITH IMPROVED ENERGY PROPERTY - Disclosed is a high energy density lithium secondary battery including: a cathode including, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m | 03-20-2014 |
20140080002 | LITHIUM SECONDARY BATTERY OF HIGH POWER PROPERTY WITH IMPROVED HIGH POWER DENSITY - Disclosed is a high-output lithium secondary battery including: a cathode including a cathode active material having an average particle diameter (with respect to capacity) of 0.03 to 0.1 μm/mAh and a layered structure; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator. | 03-20-2014 |
20140087261 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium nickel cobalt manganese oxide. The coating layer comprises a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087262 | LI-NI COMPOSITE OXIDE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m | 03-27-2014 |
20140087263 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL - Provided are a positive electrode active material for nonagueous secondary batteries, the material having a narrow particle-size distribution and a monodisperse property and being capable of increasing a battery capacity; an industrial production method thereof; and a nonaqueous secondary battery using the positive electrode active material and having excellent electrical characteristics. The positive electrode active material is represented by a general formula: Li | 03-27-2014 |
20140093776 | ALKALINE STORAGE BATTERY AND POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY - A positive electrode material for an alkaline storage battery includes: nickel hydroxide; and at least one of a Sr compound, a Ca compound, and a compound of at least one element selected from the group consisting of Y and lanthanide elements of atomic number 62 (Sm) to 71 (Lu). An A element as at least one element selected from the group consisting of Al, Ga, Mn, and Mo is held in solid solution in a crystallite of the nickel hydroxide. The content of the A element, [A]/([Ni]+[A]), is 5% or more and 16% or less (where [A] represents the molarity of the A element in the crystallite and [Ni] represents the molarity of Ni). The nickel hydroxide includes α-phase nickel hydroxide and β-phase nickel hydroxide. | 04-03-2014 |
20140093777 | ALKALINE STORAGE BATTERY, POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY - A positive electrode material for an alkaline storage battery includes nickel hydroxide. Zn and an A element are held in solid solution in a crystallite of the nickel hydroxide, the A element being at least one element selected from the group consisting of Al, Ga, Mn, and Mo. The content of the A element, [A]/([Ni]+[A]+[Zn]), is 5 to 16% (where [A] represents the molarity of the A element,[Ni] represents the molarity of nickel, and [Zn] represents the molarity of zinc in the crystallite). [Zn]/([Ni]+[A]+[Zn]) is 1 to 10%. The nickel hydroxide includes α-phase nickel hydroxide and β-phase nickel hydroxide. | 04-03-2014 |
20140099551 | LITHIUM SECONDARY BATTERY OF HIGH ENERGY DENSITY WITH IMPROVED ENERGY PROPERTY - Disclosed is a high energy density lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the crystalline graphite is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator. | 04-10-2014 |
20140106227 | Coated Nickel Hydroxide Powder As Cathode Active Material for Alkaline Secondary Battery and Method for Producing Same - A coated nickel hydroxide powder suitable as a cathode active material for alkaline secondary battery includes nickel hydroxide powder particles which have a coating layer thereon of preferably cobalt hydroxide or cobalt oxyhydroxide. | 04-17-2014 |
20140106228 | TRANSITION METAL COMPOSITE HYDROXIDE CAPABLE OF SERVING AS PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL - A transition metal composite hydroxide can be used as a precursor to allow a lithium transition metal composite oxide having a small and highly uniform particle diameter to be obtained. A method also is provided for producing a transition metal composite hydroxide represented by a general formula (1) M | 04-17-2014 |
20140113197 | COATINGS FOR LITHIUM TITANATE TO SUPPRESS GAS GENERATION IN LITHIUM-ION BATTERIES AND METHODS FOR MAKING AND USE THEREOF - An electroactive material for use in an electrochemical cell, like a lithium-ion battery, is provided. The electroactive material comprises lithium titanate oxide (LTO) and has a surface coating with a thickness of less than or equal to about 30 nm that suppresses formation of gases within the electrochemical cell. Methods for making such materials and using such materials to suppress gas formation in electrochemical cells are likewise provided. | 04-24-2014 |
20140113198 | LITHIUM SECONDARY BATTERY OF HIGH POWER PROPERTY WITH IMPROVED HIGH POWER DENSITY - Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including amorphous carbon having a capacity of 300 mAh/g or greater; and a separator. | 04-24-2014 |
20140120425 | LITHIUM SECONDARY BATTERY OF HIGH POWER PROPERTY WITH IMPROVED HIGH ENERGY DENSITY - Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m | 05-01-2014 |
20140127582 | LITHIUM SECONDARY BATTERY - The present invention provides a lithium secondary battery having a great output power in a low SOC range and a positive electrode active material for use in the battery The battery comprises a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode comprises a positive electrode active material in a form of secondary particles as aggregates of primary particles of a lithium transition metal oxide. The positive electrode active material comprises at least one species of Ni, Co and Mn, and further comprises W and Mg. The W is present, concentrated on surfaces of the primary particles while the Mg is present throughout the primary particles. The Mg content in the positive electrode active material is higher than 50 ppm relative, to the total amount of the active material based on the mass. | 05-08-2014 |
20140127583 | LITHIUM SECONDARY BATTERY OF HIGH ENERGY WITH IMPROVED ENERGY PROPERTY - Disclosed is a high-energy lithium secondary battery including: a cathode including, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on a total weight of the cathode active materials; an anode including amorphous carbon having a capacity of 300 mAh/g or more; and a separator. | 05-08-2014 |
20140134492 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL AND METHOD OF MANUFACTURING THE SAME - Disclosed is a non-aqueous electrolyte secondary cell excellent in capacity retention rate and I-V characteristics after repeated cycles. The secondary cell contains a negative electrode active material containing scaly graphite particles and coated graphite particles. The coated graphite particles contain graphite particles and a coating layer coating the surfaces of the graphite particles. The coating layer contains amorphous carbon particles and an amorphous carbon layer. It is preferable that the negative electrode active material contain 1 to 6% by mass of the scaly graphite particles and that the graphite particles, the amorphous carbon particles, and the amorphous carbon layer be in a mass ratio of 100:α:β where 1≦α≦10, 1≦β≦10, and α≦1.34β. | 05-15-2014 |
20140141335 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode containing a first positive active material having an average particle size of 12 μm or more and 30 μm or less, which is represented by a general formula Li | 05-22-2014 |
20140147749 | ELECTRODE POWDER AND ELECTRODE PLATE FOR LITHIUM ION BATTERY - Provided is an electrode powder and an electrode plate for a lithium ion battery. The electrode powder includes a core and a nano-coating layer. The core contains a lithium compound. The nano-coating layer is disposed on a surface of the core and consists of a plurality of nanosheets. | 05-29-2014 |
20140147750 | ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY EMPLOYING THE SAME, AND METHOD OF PREPARING THE ANODE ACTIVE MATERIAL - An anode active material, a lithium battery including the anode active material, and a method of preparing the anode active material are provided. The anode active material includes an alloy containing silicon (Si), titanium (Ti) and nickel (Ni) elements, wherein the alloy includes a Si phase and an alloy phase, and a peak intensity ratio (I | 05-29-2014 |
20140170494 | GLASS-COATED CATHODE POWDERS FOR RECHARGEABLE BATTERIES - The invention provides a cathode active material for use in a rechargeable battery, comprising a coated lithium nickel oxide powder or a coated lithium nickel manganese oxide powder, the powder being composed of primary particles provided with a glassy lithium silicate surface coating. A method for preparing the cathode active material comprises the steps of:
| 06-19-2014 |
20140186709 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, MANUFACTURING METHOD OF SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME - A positive electrode active material for a nonaqueous electrolyte secondary battery that is constituted by a lithium nickel composite oxide that combines a high capacity with excellent thermal stability, a manufacturing method suitable for industrial production, and a nonaqueous electrolyte secondary battery of high safety. A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium nickel composite oxide represented by the following composition formula (1): | 07-03-2014 |
20140186710 | NICKEL COMPOSITE HYDROXIDE AND METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING THE SAME AS WELL AS NONAQUEOUS ELECTROLYTIC SECONDARY CELL - A nickel composite hydroxide represented by Ni | 07-03-2014 |
20140205905 | ULTRATHIN SURFACE COATING ON NEGATIVE ELECTRODES TO PREVENT TRANSITION METAL DEPOSITION AND METHODS FOR MAKING AND USE THEREOF - An electrode material for use in an electrochemical cell, like a lithium-ion battery, is provided. The electrode material may be a negative electrode comprising graphite, silicon, silicon-alloys, or tin-alloys, for example. By avoiding deposition of transition metals, the battery substantially avoids charge capacity fade during operation. The surface coating is particularly useful with negative electrodes to minimize or prevent deposition of transition metals thereon in the electrochemical cell. The coating has a thickness of less than or equal to about 40 nm. Methods for making such materials and using such coatings to minimize transition metal deposition in electrochemical cells are likewise provided. | 07-24-2014 |
20140205906 | ALKALINE STORAGE BATTERY CATHODE, METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY CATHODE, ALKALINE STORAGE BATTERY, METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY, ALKALINE STORAGE BATTERY CATHODE ACTIVE MATERIAL, AND METHOD FOR MANUFACTURING ALKALINE STORAGE BATTERY CATHODE ACTIVE MATERIAL - This alkaline storage battery cathode is provided with: nickel hydroxide particles covered by a cobalt-compound coating layer; a zinc compound; and an yttrium compound and/or an ytterbium compound. The zinc compound and the yttrium compound and/or ytterbium compound are blended at a blend ratio that is in accordance with the ratio of the capacity characteristics of the alkaline storage battery and the output characteristics of the alkaline storage battery. | 07-24-2014 |
20140212757 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a nonaqueous electrolyte secondary battery having excellent output characteristics. A nonaqueous electrolyte secondary battery | 07-31-2014 |
20140234717 | HIGH CAPACITY POSITIVE ELECTRODES FOR USE IN LITHIUM-ION ELECTROCHEMICAL CELLS AND METHODS OF MAKING SAME - Positive electrode for lithium-ion electrochemical cells are provided that have capacity retentions of greater than about 95% after 50 charge-discharge cycles when comparing the capacity after cycle 52 with the capacity after cycle 2 when cycled between 2.5 V and 4.7 V vs. Li/Li | 08-21-2014 |
20140234718 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY FOR CONTROLLING IMPURITY OR SWELLING INCLUDING THE SAME AND METHOD OF PREPARING CATHODE ACTIVE MATERIAL WITH ENHANCED PRODUCTIVITY - Disclosed are a cathode active material represented by Formula 1 below and including a metal cation having a greater ionic radius than a Ni cation and represented by M of Formula 1 at a Li cation site or in an empty space within a crystal lattice so as to prevent mixing of Ni cations into a Li layer, a lithium secondary battery including the same, and a method of preparing the cathode active material which has improved productivity. | 08-21-2014 |
20140234719 | HIGH CAPACITY LITHIUM-ION ELECTROCHEMICAL CELLS AND METHODS OF MAKING SAME - High capacity lithium-ion electrochemical cells and methods of making the same are provided that include a positive electrode that includes a lithium mixed metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material having a first irreversible capacity when the anode is delithiated to 0.9 V vs. Li/Li | 08-21-2014 |
20140234720 | ELECTRODE MATERIAL; AND BATTERY, NONAQUEOUS-ELECTROLYTE BATTERY, AND CAPACITOR ALL INCORPORATING THE MATERIAL - The invention offers an electrode material that can accomplish both high capacity and high output and a battery, a nonaqueous-electrolyte battery, and a capacitor all incorporating the electrode material. The electrode material has a sheet-shaped aluminum porous body carrying an active material. The above-described aluminum porous body has a skeleton structure that is formed of an aluminum layer and that has a vacant space at the interior. When observed by performing cutting in a direction parallel to the direction of thickness of the sheet, the above-described vacant space in the skeleton structure has an average area of 500 μm | 08-21-2014 |
20140255783 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND USE THEREOF - The non-aqueous electrolyte secondary battery provided by this invention comprises a positive electrode and a negative electrode, wherein the positive electrode has a positive electrode active material layer comprising a positive electrode active material as a primary component, and the negative electrode has a negative electrode active material layer comprising a negative electrode active material as a primary component, having a negative electrode active material's linseed oil absorption number B (mL/100 g) to positive electrode active material's DBP absorption number A (mL/100 g) ratio B/A of 1.27 to 1.79. | 09-11-2014 |
20140272590 | MODIFIED TERNARY MATERIAL AND PRECURSOR THEREOF AND PREPARATION METHODS FOR MODIFIED TERNARY MATERIAL AND PRECURSOR - A precursor of a modified ternary material for a lithium ion battery positive material belongs to the technical field of application of lithium ion battery positive materials. A molecular formula of the precursor is: (Ni | 09-18-2014 |
20140287312 | POSITIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the positive active material comprising a compound represented by the following Chemical Formula 1: | 09-25-2014 |
20140302393 | HIGH CAPACITY LITHIUM-ION ELECTROCHEMICAL CELLS AND METHODS OF MAKING SAME - High capacity lithium-ion electrochemical cells are provided that include positive electrode comprising a layered lithium transition metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material that also has a first irreversible capacity. The first irreversible capacity of the positive electrode is less than the first irreversible capacity of the negative electrode. The discharge voltage curve of the positive electrode covers at least 10% of its capacity at voltages below 3.5 V ea) vs. Li/Li | 10-09-2014 |
20140308584 | ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING ACTIVE MATERIAL, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An active material for a nonaqueous electrolyte secondary battery contains a lithium transition metal composite oxide having an α-NaFeO | 10-16-2014 |
20140315089 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A method of manufacturing a positive active material includes dry-coating a surface of a material represented by Li | 10-23-2014 |
20140315090 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery includes a positive electrode capable of occluding and discharging lithium ions, a negative electrode capable of occluding and discharging the lithium ions, and a nonaqueous electrolyte including a lithium salt, and being reversively charged/discharged. The positive electrode includes a metal plate, a metal film formed on a surface of the metal plate, and a positive electrode active material layer, the metal film includes one or more metals selected from the group consisting of ruthenium, osmium, palladium, and platinum having a orientation, the positive electrode active material layer is a compound expressed by the following expression: | 10-23-2014 |
20140322607 | SURFACE PROTECTED LITHIUM-METAL-OXIDE ELECTRODES - A lithium-metal-oxide positive electrode having a layered or spinel structure for a non-aqueous lithium electrochemical cell and battery is disclosed comprising electrode particles that are protected at the surface from undesirable effects, such as electrolyte oxidation, oxygen loss or dissolution by one or more lithium-metal-polyanionic compounds, such as a lithium-metal-phosphate or a lithium-metal-silicate material that can act as a solid electrolyte at or above the operating potential of the lithium-metal-oxide electrode. The surface protection significantly enhances the surface stability, rate capability and cycling stability of the lithium-metal-oxide electrodes, particularly when charged to high potentials. | 10-30-2014 |
20140329145 | RECHARGEABLE BATTERY CELL WITH IMPROVED HIGH TEMPERATURE PERFORMANCE - An alkaline, rechargeable electrochemical cell includes a pasted electrode structure in which a composition comprising a paste matrix component includes cobalt in an amount greater than 6 weight percent ranging up to 14 weight percent. The matrix may also include a rare earth such as yttrium. The composition further includes particles of nickel hydroxide dispersed in the matrix, and these particles include cobalt levels ranging from greater than 8 atomic percent up to 15 atomic percent. Cells incorporating these materials have good charging efficiency at elevated temperatures. | 11-06-2014 |
20140329146 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive-electrode active material of a nonaqueous electrolyte secondary battery is modified to improve the output characteristics under various temperature conditions, thereby making the nonaqueous electrolyte secondary battery suitable for a power supply for hybrid vehicles. The nonaqueous electrolyte secondary battery includes a working electrode | 11-06-2014 |
20140329147 | Lithium Metal Composite Oxide Having Layered Structure - Provided is a lithium metal composite oxide having a layered structure, which is particularly excellent as a positive electrode active material for batteries that are mounted on electric vehicles or hybrid vehicles. Proposed is a lithium metal composite oxide having a layered structure, which is represented by general formula Li | 11-06-2014 |
20140335414 | Synthesis and Characterization of Lithium Nickel Manganese Cobalt Phosphorous Oxide - Disclosed herein are certain embodiments of a novel chemical synthesis route for lithium ion battery applications. Accordingly, various embodiments are focused on the synthesis of a new active material using NMC (Lithium Nickel Manganese Cobalt Oxide) as the precursor for a phosphate material having a layered crystal structure. Partial phosphate generation in the layer structured material stabilizes the material while maintaining the large capacity nature of the layer structured material. | 11-13-2014 |
20140356718 | TRANSITION METAL OXIDE CONTAINING SOLID SOLUTION LITHIUM, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A transition metal oxide containing solid solution lithium contains a transition metal oxide containing lithium, which is represented by a chemical formula: Li | 12-04-2014 |
20140356719 | ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO | 12-04-2014 |
20140370389 | POSITIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY - A positive electrode active material includes: center cores containing a composite oxide containing alkali metal or alkali earth metal; and eutectic layers containing a eutectic substance composed of at least two types of composite oxides containing the alkali metal or the alkali earth metal and configured to cover the center cores. Preferably, the eutectic layers have a thickness of 4 nm or larger and 800 nm or smaller. The composite oxides forming the eutectic substance include the composite oxide of the center cores. | 12-18-2014 |
20140370390 | METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - Disclosed are a method for preparing a positive electrode active material for a lithium secondary battery and a positive electrode active material for a lithium secondary battery, the method including: preparing a mixture of a precursor represented by Chemical Formula 1 below, a lithium composite oxide represented by Chemical Formula 2 below and capable of intercalating/deintercalating lithium ions, and a lithium feed material; and firing the prepared mixture: | 12-18-2014 |
20140377660 | NICKEL COMPOSITE HYDROXIDE AND PRODUCTION METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a lithium composite oxide having a uniform and suitable particle size and high specific surface area due to a hollow structure that can be produced on an industrial scale. A nickel composite hydroxide as a raw material thereof is obtained controlling the particle size distribution of the nickel composite hydroxide, the nickel composite hydroxide having a structure comprising a center section that comprises minute primary particles, and an outer-shell section that exists on the outside of the center section and comprises plate shaped primary particles that are larger than the primary particles of the center section, by a nucleation process and a particle growth process that are separated by controlling the pH during crystallization, and by controlling the reaction atmosphere in each process and the manganese content in a metal compound that is supplied in each process. | 12-25-2014 |
20140377661 | MULTI LAYERED ELECTRODE AND METHOD OF MANUFACTURING THE SAME - Disclosed are an electrode for secondary batteries including an electrode mixture coated on one surface or opposite surface of an electrode current collector, and a method of manufacturing the same. The electrode mixture includes an electrode mixture layer A, which is a portion close to a current collector, and an electrode mixture layer, which is a portion distant from a current collector. The electrode mixture layer A includes a mixture of two active materials, average diameters of which are different, and the electrode mixture layer B includes active materials, average diameters of which are the same. | 12-25-2014 |
20150010823 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - In an aspect, a positive active material for a rechargeable lithium battery including overlithiated layered oxide (OLO), a method of preparing the same, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same is disclosed. | 01-08-2015 |
20150010824 | POSITIVE ACTIVE MATERIAL COMPOSITION FOR LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - The present invention relates to a positive active material for a lithium battery, a method of preparing the same, and a lithium battery including the same. More particularly, the present invention relates to a positive active material having excellent high-capacity and thermal stability, a method of preparing the same, and a lithium battery including the same. | 01-08-2015 |
20150017537 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. | 01-15-2015 |
20150024272 | CATHODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY - To provide a cathode active material for a lithium ion secondary battery excellent in the cycle characteristics, even when charging is carried out under a high voltage. | 01-22-2015 |
20150030925 | POSITIVE ELECTRODE MATERIAL - A positive electrode material is disclosed that can attain a lithium-ion secondary battery having a high capacity and a high security. The positive electrode material provides a positive electrode having a high capacity and a high security by using a positive electrode active material represented by the following composition formula; | 01-29-2015 |
20150037676 | NICKEL COMPOSITE HYDROXIDE AND PRODUCTION METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF, AND A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a cathode active material for a non-aqueous electrolyte secondary battery that has a uniform particle size and high packing density, and that is capable of increased battery capacity and improved coulomb efficiency. | 02-05-2015 |
20150044566 | V2O5-LiBO2, V2O5-NiO-LiBO2 GLASSES AND THEIR COMPOSITES OBTAINED BY NITROGEN DOPING AND REDUCED GRAPHITE OXIDE BLENDING AS CATHODE ACTIVE MATERIALS - An electronically active glass has the composition (T | 02-12-2015 |
20150044567 | LITHIUM-ION SECONDARY CELL - A lithium-ion secondary cell according to the present invention is provided with a positive electrode and a negative electrode. The positive electrode contains a lithium-manganese composite oxide partially substituted by magnesium as a positive electrode active material. The negative electrode contains a graphite coated with amorphous carbon as a negative electrode active material, a carbon black-based conductive aid and a fluororesin-based binding agent. | 02-12-2015 |
20150056512 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An object is to provide a positive electrode for a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery that allow a high output characteristic. Included are a positive electrode collector and a positive electrode mixture layer formed on at least one surface of the positive electrode collector. The positive electrode mixture layer contains particles | 02-26-2015 |
20150064563 | METHOD OF MANUFACTURING LITHIUM NICKEL COMPLEX OXIDE, LITHIUM NICKEL COMPLEX OXIDE MANUFACTURED THEREBY, AND CATHODE ACTIVE MATERIAL INCLUDING THE SAME - Provided are a method of manufacturing a lithium nickel complex oxide including mixing a nickel-containing mixed transition metal precursor, a lithium compound, and a polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) copolymer, and heat treating the mixture, a lithium nickel complex oxide manufactured thereby, and a cathode active material including the lithium nickel complex oxide. | 03-05-2015 |
20150079475 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR ELECTRIC DEVICE, AND ELECTRIC DEVICE - [Summary] A positive electrode active material is provided to contain: a solid solution lithium-containing transition metal oxide (A) represented by Li | 03-19-2015 |
20150093646 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME - A positive-electrode active material for a non-aqueous electrolyte secondary battery according to the present disclosure contains a layered lithium(Li)-containing transition metal composite oxide that contains Li in the transition metal layer and more than 0.4 μmol/g and less than 25 μmol/g of iodine (I) or bromine (Br). | 04-02-2015 |
20150093647 | BATTERY - A battery includes a positive electrode, a negative electrode including a negative active material layer containing hardly-graphitizable carbon as a negative active material and an aqueous binder, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative active material layer has a density of not less than 0.81 g/cc and not more than 1.01 g/cc. The negative active material has a particle size D90 of not less than 1.9 μm and not more than 11.5 μm, the particle size D90 being a particle size at which the cumulative volume is 90% in the particle size distribution. | 04-02-2015 |
20150111106 | POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND LITHIUM BATTERY INCLUDING THE SAME - A positive electrode active material including: a lithium complex oxide represented by Formula 1; and a carbon coating layer disposed on the lithium complex oxide, wherein, in a C1s XPS spectrum of the positive electrode active material, a peak intensity of a first peak at a binding energy from about 288 eV to about 293 eV is greater than a peak intensity of a second peak at a binding energy from about 283 eV to about 287 eV, and in an O1s X-ray photoelectron spectrum of the positive electrode active material, a peak intensity of a third peak at a binding energy from about 530.5 eV to about 535 eV is greater than a peak intensity of a fourth peak at a binding energy from about 527.5 electron volts to about 530 electron volts, | 04-23-2015 |
20150118564 | POSITIVE ELECTRODE COMPOSITION FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THEREOF - The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: | 04-30-2015 |
20150132652 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR ELECTRICAL DEVICE, AND ELECTRICAL DEVICE - [Summary] A positive electrode active material is provided to contain: a solid solution lithium-containing transition metal oxide (A) represented by Li | 05-14-2015 |
20150132653 | METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A method of producing a positive electrode active material for a non-aqueous electrolyte secondary battery, the method including: stirring core particles including a lithium-transition metal composite oxide represented by a formula: | 05-14-2015 |
20150140429 | POWER STORAGE DEVICE - A power storage device a positive electrode including a positive electrode active material layer and a negative electrode including a negative electrode active material layer. The positive electrode active material layer includes a plurality of particles of x[Li | 05-21-2015 |
20150147651 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery including a core including at least one selected from a nickel-based composite oxide represented by Chemical Formula 1 or a lithium manganese oxide represented by Chemical Formula 2; and a coating layer on a surface of the core and including a lithium metal oxide represented by Chemical Formula 3, the positive active material having a peak at a 2θ value of about 19° to about 22° and another peak at a 2θ value of about 40° to about 45° in an X-ray diffraction pattern using a CuKα ray, is disclosed. A method of preparing the same, and a rechargeable lithium battery including the same, are also disclosed. | 05-28-2015 |
20150147652 | Manganese Spinel-Type Lithium Transition Metal Oxide - Provided is a new 5 V class spinel exhibiting an operating potential of 4.5 V or more (5 V class), which can suppress the amount of gas generation during high temperature cycles. Suggested is a manganese spinel-type lithium transition metal oxide represented by formula: Li[Ni | 05-28-2015 |
20150147653 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY - A positive active material is disclosed that includes a lithium nickel composite oxide represented by the following Chemical Formula 1, wherein a full width at half maximum (FWHM | 05-28-2015 |
20150147654 | MATERIAL FOR LITHIUM SECONDARY BATTERY OF HIGH PERFORMANCE - Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of Li | 05-28-2015 |
20150295231 | Coated Nickel Hydroxide Powder for Positive Electrode Active Material of Alkaline Secondary Battery, and Evaluation Method for Coating Adhesion Properties of Coated Nickel Hydroxide Powder - Provided are a coated nickel hydroxide powder that has a cobalt compound coating having improved uniformity and adhesion properties on the surface of particles thereof and is therefore suitable for use as a positive electrode active material of alkaline secondary battery, and an evaluation method for the adhesion properties of the coating. | 10-15-2015 |
20150295237 | CATHODE ACTIVE MATERIAL FOR LITHIUM BATTERIES, AND LITHIUM BATTERY COMPRISING THE CATHODE ACTIVE MATERIAL FOR LITHIUM BATTERIES - The present invention is to provide a cathode active material configured to increase, when used in a lithium battery, the discharge capacity of the lithium battery higher than conventional lithium batteries, and a lithium battery including the cathode active material. Presented is a cathode active material for lithium batteries, wherein the cathode active material is represented by the following composition formula (1) and has a rock salt type crystal structure including formula (1): Li | 10-15-2015 |
20150295239 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY COMPRISING THE SAME - Providing a positive-electrode active material for lithium-ion secondary battery, the positive-electrode active material contributing to upgrading the rate characteristic and cyclability, and providing a lithium-ion secondary battery including the same. | 10-15-2015 |
20150303453 | COMPOSITE CATHODE MATERIALS WITH CONTROLLED IRREVERSIBLE CAPACITY LOSS FOR LITHIUM ION BATTERIES - Composite materials for a cathode of an electrochemical cell. The composite materials comprise Li[M1−xLix]O2 or yLi2MnO3.(1−y)LiMO2(M=Ni, Co, Mn, 010-22-2015 | |
20150303510 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. At least one of the positive electrode active material layer and the negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 10 ml per 1 g when heated at 350° C. for 1 minute. | 10-22-2015 |
20150311499 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRECURSOR OF POSITIVE ACTIVE MATERIAL, ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - Provided is a positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an α-NaFeO | 10-29-2015 |
20150311511 | COATED NICKEL HYDROXIDE POWDER FOR ALKALI SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD OF PRODUCING SAME - A coated nickel hydroxide powder that has improved dispersibility in a paste to inhibit agglomeration and can be densely packed in a three-dimensional metal porous body in the preparation of a positive electrode for alkaline secondary battery includes nickel hydroxide particles and a coating layer made of a cobalt compound and formed on a surface of the nickel hydroxide particles, wherein when 10 mL of water is added to 10 g of the coated nickel hydroxide powder to prepare a suspension, the suspension having a pH of 10.2 or higher (as measured at 25° C.). The coated nickel hydroxide powder obtained through a crystallization step and a coating step is washed in a washing step until an amount of ammonium ions eluted into a suspension obtained by adding 10 mL of water to 10 g of the coated nickel hydroxide powder becomes 0.35 mmol/L or less. | 10-29-2015 |
20150311523 | COATED NICKEL HYDROXIDE POWDER FOR ALKALI SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD OF PRODUCING SAME - A coated nickel hydroxide powder that has improved dispersibility in a paste to inhibit agglomeration and can be densely packed in a three-dimensional metal porous body in the preparation of a positive electrode for alkaline secondary battery includes nickel hydroxide particles and a coating layer made of a cobalt compound and formed on a surface of the nickel hydroxide particles, wherein when 10 mL of water is added to 10 g of the coated nickel hydroxide powder to prepare a suspension, a total amount of eluted ions except for oxonium ions, hydroxide ions, and carbonate ions in the suspension is 6.5 mmol/L or less. The coated nickel hydroxide powder obtained through a crystallization step, a coating step, and a washing step is dried in a drying step in a decarbonated atmosphere whose partial pressure of a carbon-containing gas is 15 Pa or less. | 10-29-2015 |
20150318537 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention has an object to provide a nonaqueous electrolyte secondary battery having high capacity and excellent cycle characteristics. A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a positive electrode plate containing a lithium-cobalt composite oxide and a lithium-nickel-cobalt-manganese composite oxide (Li | 11-05-2015 |
20150318538 | PROCESS FOR PRODUCING CARBONATE COMPOUND AND CATHODE ACTIVE MATERIAL - To provide a carbonate compound and a cathode active material, whereby a lithium ion secondary battery having excellent cycle characteristics can be obtained. | 11-05-2015 |
20150325837 | LITHIUM-METAL OXIDE NANOPARTICLES, PREPARATION METHOD AND USE THEREOF - Provided are a lithium-metal oxide nanoparticles and the preparation method thereof. The lithium-metal oxide nanoparicles have a general formula: xLi | 11-12-2015 |
20150325851 | CATHODE ACTIVE MATERIAL, PROCESS FOR ITS PRODUCTION, CATHODE AND LITHIUM ION SECONDARY BATTERY - To provide a cathode active material with which a lithium ion secondary battery having favorable cycle characteristics and having a high energy density even when discharged at a high voltage can be obtained; a cathode comprising the cathode active material; and a lithium ion secondary battery having the cathode. | 11-12-2015 |
20150333328 | Electrode Materials For Rechargeable Battery - A positive electrode is disclosed for a non-aqueous electrolyte lithium rechargeable cell or battery. The electrode comprises a lithium containing material of the formula Na | 11-19-2015 |
20150340686 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - The present disclosure relates to a cathode active material for a lithium secondary battery, and more particularly, to a cathode active material, which is used for a lithium secondary battery and is prepared to include a mixture of particles with different particle sizes and thereby to have an improved tap density. At least one particle of the mixture of the particles is provided to have a gradient in internal concentration. | 11-26-2015 |
20150349336 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY - The present invention provides a positive electrode active material for a non-aqueous secondary battery including: core particles including, as a main component, a lithium metal composite oxide represented by the following formula: Li | 12-03-2015 |
20150349339 | A CATHODE ACTIVE MATERIAL COATED WITH MANGANESE PHOSPHATE FOR A LITHIUM SECONDARY BATTERY AND A PREPARATION METHOD OF THE SAME - The present invention relates to a cathode active material for a lithium secondary battery and a preparation method thereof, and particularly, to a cathode active material for a lithium secondary battery having improved battery characteristics because of manganese phosphate uniformly coated on the surface of a Ni-rich cathode active material, and a preparation method thereof. | 12-03-2015 |
20150357641 | ACTIVE MATERIAL EXCELLING IN HIGH-VOLTAGE CHARACTERISTICS - An active material expressed by a general formula; Li | 12-10-2015 |
20150364756 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery includes a core including an overlithiated oxide represented by Chemical Formula 1, a first coating layer on the core and including a compound having a spinel structure, and a second coating layer on the first coating layer and including a compound represented by Chemical Formula 2. The compound having a spinel structure shows a peak between about 2.6 V and about 2.7 V in a graph of differential capacity dQ/dV vs. voltage, where the voltage is between about 4.7 V and about 2.5 V. | 12-17-2015 |
20150364761 | NICKEL COMPOSITE HYDROXIDE AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY - Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation is performed by controlling a nucleation aqueous solution that includes a metal compound, which includes nickel, and an ammonium ion donor so that the pH value at a standard solution temperature of 25° C. becomes 12.0 to 14.0, after which, particles are grown by controlling a particle growth aqueous solution that includes the formed nuclei so that the pH value at a standard solution temperature of 25° C. becomes 10.5 to 12.0, and so that the pH value is lower than the pH value during nucleation. The crystallization reaction is performed in a non-oxidizing atmosphere at least in a range after the processing time exceeds at least 40% of the total time of the particle growth process from the start of the particle growth process where the oxygen concentration is 1 volume % or less, and with controlling an agitation power requirement per unit volume into a range of 0.5 kW/m | 12-17-2015 |
20150380737 | LITHIUM-CONTAINING COMPOSITE OXIDE AND PROCESS FOR ITS PRODUCTION - To provide a lithium-containing composite oxide in which lithium ions highly diffuse in the primary particles, and which is excellent in the output characteristics at low temperature, and a process for its production. | 12-31-2015 |
20150380738 | Free-Standing Active Material/Carbon Nanomaterial Network Film As Light-Weight and High-Power Electrodes for Lithium Ion Batteries - An electrode includes a first free-standing carbon network, an active material deposited above the first free-standing carbon network, and a second free-standing carbon network covering the active material. The first and second carbon networks are a binder, a conductive additive and a current collector to the electrode. | 12-31-2015 |
20160006029 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY BY USING SAME - A high-capacity non-aqueous electrolyte secondary battery capable of maintaining good cycle characteristics even in the case where large current discharge is repeated is provided. A positive electrode active material particle ( | 01-07-2016 |
20160006031 | POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - [Object] Provided is a means which is capable, with respect to a non-aqueous electrolyte secondary battery, of suppressing a decrease in capacity when the battery is used for a long period of time, and improving cycle characteristics. | 01-07-2016 |
20160013471 | POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 01-14-2016 |
20160013476 | MANUFACTURING METHOD OF CATHODE ACTIVE MATERIAL, AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY | 01-14-2016 |
20160013478 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY THAT USES THE POSITIVE ELECTRODE | 01-14-2016 |
20160013486 | POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 01-14-2016 |
20160028062 | Secondary Battery and the Design Method Thereof - Provided is a design method of a secondary battery, including: calculating temperature profile per position of a battery in a stacked direction of a stack-type secondary battery in which cathodes and anodes are alternately stacked with separators interposed therebetween at the time of charging and discharging the stack-type secondary battery; and selecting cathode active materials used for cathodes per corresponding positions by the temperature profile per position. | 01-28-2016 |
20160028072 | CATHODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - To provide a cathode active material with which a lithium ion secondary battery which has a high discharge capacity, of which initial DCR is not high, and of which an increase of DCR is suppressed even when a charge and discharge cycle is repeatedly carried out, can be obtained. | 01-28-2016 |
20160028074 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARYBATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, ANDLITHIUM SECONDARY BATTERY - A positive electrode active material for a lithium secondary battery includes a primary particle containing a spinel phase and a layered rock-salt phase. The spinel phase is formed of a nickel-and-manganese-containing composite oxide having a spinel crystal structure that includes lithium, nickel, and manganese. The layered rock-salt phase is formed of a transition metal composite oxide having a layered rock-salt crystal structure that includes lithium and at least one transition metal element. The nickel-and-manganese-containing composite oxide contains oxygen and fluorine. The transition metal composite oxide includes oxygen and fluorine. | 01-28-2016 |
20160028080 | POSITIVE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY,POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, ANDLITHIUM-ION SECONDARY BATTERY - A positive active material for a lithium-ion secondary battery includes a lithium composite oxide particle containing nickel atoms, manganese atoms, and fluorine atoms. The lithium composite oxide particle includes a particle center portion and a surface layer portion that is closer to a surface of the lithium composite oxide particle than the particle center portion is. A fluorine atom concentration Fc (at %) of the particle center portion measured by energy dispersive X-ray spectroscopy is lower than a fluorine atom concentration Fs (at %) of the surface layer portion. | 01-28-2016 |
20160028082 | Cathode Active Material for Lithium Secondary Battery, and Lithium Secondary Battery Using Same - A cathode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, wherein the cathode active material includes a compound being capable of intercalating and deintercallating lithium, wherein the compound consists of a core part and a coating layer, and the core part is doped with M1 and M2 while the coating layer includes B, are provided. | 01-28-2016 |
20160036041 | POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - [Object] Provided is a means capable of suppressing a decrease in capacity and improving output characteristics of a non-aqueous electrolyte secondary battery when the battery is used for a long period of time. | 02-04-2016 |
20160036044 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - [Object] Provided is a means for improving cycle characteristics by suppressing electrode deterioration resulting from non-uniformity of voltage across an electrode plane in a high-capacity and large-area non-aqueous electrolyte secondary battery that includes lithium nickel-based composite oxide as a positive electrode active substance. | 02-04-2016 |
20160036046 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery includes a positive electrode that includes a positive electrode active material layer; a negative electrode that includes a negative electrode active material layer; and a nonaqueous electrolyte. The positive electrode active material layer contains an inorganic phosphate compound and a high-potential positive electrode active material that causes an open-circuit voltage to be 4.3 V or higher with respect to lithium metal. The inorganic phosphate compound is a compound containing at least one hydrogen atom in a chemical formula. | 02-04-2016 |
20160043387 | SURFACE MODIFIED CATHODE WITH IMPROVED LITHIUM INTERCALATION BEHAVIOR - Surface modification of LiNi | 02-11-2016 |
20160043396 | CATHODE ACTIVE MATERIAL - To provide a cathode active material to be used for a positive electrode of a lithium ion secondary battery having a high discharge capacity and favorable cycle durability. | 02-11-2016 |
20160049648 | POSITIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - In the positive electrode active material according to the inventive concept, the amount of residual lithium is decreased although the concentration of nickel is high, and thus the positive electrode active material exhibits excellent cycle-life characteristics and charge and discharge characteristics, has a stabilized crystal structure while having a high capacity, and is structurally stabilized even when being used at a high voltage. In the positive electrode active material, a shell portion in which the concentration of nickel is controlled and the concentrations of other metals are constant is formed on the surface of a core portion having gradients of concentrations of nickel, manganese, and cobalt. Thus, the positive electrode active material exhibits excellent cycle-life characteristics and charge and discharge characteristics, has a stabilized crystal structure while having a high capacity, and is structurally stabilized even when being used at a high voltage. | 02-18-2016 |
20160049649 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - The inventive concepts relate to a positive electrode active material for lithium secondary battery, and more particularly, relate to a positive electrode active material which includes a first concentration gradient portion, a second concentration gradient portion, and a first concentration maintained portion. The first and second concentration gradient portions have gradients of concentrations of nickel, manganese, and cobalt in the direction from the center to the surface, and the first concentration maintained portion has constant concentrations of nickel, manganese, and cobalt between the first concentration gradient portion and the second concentration gradient portion. | 02-18-2016 |
20160049650 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Embodiments of the inventive concepts described herein relate to a positive electrode active material for lithium secondary battery, and more particularly, relate to a positive electrode active material for a lithium secondary battery having a new structure which includes a core portion having gradients of concentrations of nickel, manganese, and cobalt in a direction from a center to a surface and in which each of the concentration gradients of nickel, manganese, and cobalt has at least one vertex in the core portion. | 02-18-2016 |
20160049654 | Positive Electrode Active Material For Lithium-Ion Battery, Positive Electrode For Lithium-Ion Battery, And Lithium-Ion Battery - The present invention provides a positive electrode active material for lithium ion batteries having excellent rate performance. | 02-18-2016 |
20160056462 | CATHODE ACTIVE MATERIAL - To provide a cathode active material which achieves a high discharge capacity and excellent cycle durability. | 02-25-2016 |
20160064733 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes: a positive electrode containing a positive active material; a negative electrode; and a non-aqueous electrolyte. The positive active material contains composite oxide particles having a spinel structure including Ni and Mn. The composite oxide particles contain at least one of a crystal phase of LiNbO | 03-03-2016 |
20160087262 | NICKEL MANGANESE COMPOSITE HYDROXIDE PARTICLES AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are nickel manganese composite hydroxide particles that are a precursor for forming cathode active material including lithium nickel manganese composite oxide having hollow structure of particles having a small and uniform particle size for obtaining a non-aqueous electrolyte secondary battery having high capacity, high output and good cyclability. When obtaining the nickel manganese composite hydroxide particles from a crystallization reaction, an aqueous solution for nucleation, which includes at least a metallic compound that contains nickel and a metallic compound that contains manganese, and does not include a complex ion formation agent that forms complex ions with nickel, manganese and cobalt, is controlled so that the temperature of the solution is 60° C. or greater, and so that the pH value that is measured at a standard solution temperature of 25° C. is 11.5 to 13.5, and after nucleation is performed, an aqueous solution for particle growth, which includes the nuclei that were formed in the nucleation step and does not substantially include a complex ion formation agent that forms complex ions with nickel, manganese and cobalt, is controlled so that the temperature of the solution is 60° C. or greater, and so that the pH value that is measured at a standard solution temperature of 25° C. is 9.5 to 11.5, and is less than the pH value in the nucleation step. | 03-24-2016 |
20160093885 | TRANSITION METAL COMPOSITE HYDROXIDE PARTICLES AND PRODUCTION METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY AND PRODUCTION METHOD THEREOF, AND NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY - Provided is a cathode active material that can simultaneously improve the capacity characteristics, output characteristics, and cycling characteristics of a rechargeable battery when used as cathode material for a non-aqueous electrolyte rechargeable battery. After performing nucleation by controlling an aqueous solution for nucleation that includes a metal compound that includes at least a transition metal and an ammonium ion donor so that the pH value becomes 12.0 to 14.0 (nucleation process), nuclei are caused to grow by controlling aqueous solution for particle growth that includes the nuclei so that the pH value is less than in the nucleation process and is 10.5 to 12.0 (particle growth process). When doing this, the reaction atmosphere in the nucleation process and at the beginning of the particle growth process is a non-oxidizing atmosphere, and in the particle growth process, atmosphere control by which the reaction atmosphere is switched from this non-oxidizing atmosphere to an oxidizing atmosphere, and is then switched again to a non-oxidizing atmosphere is performed at least one time. Cathode active material is obtained with the composite hydroxide particles that are obtained by this kind of crystallization reaction as a precursor. | 03-31-2016 |
20160099460 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY COMPRISING THE SAME - A positive electrode active material includes a primary particle represented by Compositional Formula (1): Li | 04-07-2016 |
20160099469 | Cathode Material for Lithium-Ion Rechargeable Batteries - Disclosed are a cathode active material and a method to produce the same at low cost. The cathode powder comprises modified doped LiCoO | 04-07-2016 |
20160099471 | POSITIVE ELECTRODE HAVING ENHANCED CONDUCTIVITY AND SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a positive electrode for secondary batteries including a positive electrode mix coated on a current collector. More particularly, disclosed are a positive electrode for secondary batteries including a positive electrode mix coated on a current collector and a secondary battery including the same, wherein the current collector includes carbon nanotubes (CNTs) vertically grown from a surface of the current collector, the positive electrode mix contact the current collector in a state that at least a portion of the positive electrode mix is interposed in a space between the carbon nanotubes, and the positive electrode has high conductivity and safety. | 04-07-2016 |
20160118648 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM ION SECONDARY BATTERY - A compound having a layered structure that is used for a positive electrode active material for a lithium ion secondary battery achieves both a high energy density and a high cyclability. The positive electrode active material for a lithium ion secondary battery contains a compound having a layered structure belonging to a space group R-3m, in which the compound having a layered structure is represented by a compositional formula: Li | 04-28-2016 |
20160126542 | POSITIVE ACTIVE MATERIAL, POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL, AND METHOD OF MANUFACTURING THE POSITIVE ACTIVE MATERIAL - A positive active material, a method of preparing the positive active material, a positive electrode including the positive active material, and a lithium battery including the positive active material are disclosed. The positive active material includes a core including a lithium metal composite oxide and a coating layer formed on the core. The coating layer includes at least one of lithium fluoride (LiF) and lithium phosphate (Li | 05-05-2016 |
20160126548 | SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE - Spherical particles comprising a lithiated mixed transition metal oxide comprising nickel, cobalt and manganese and optionally at least one further transition metal, each in cationic form, wherein the carbonate content, calculated as Li | 05-05-2016 |
20160156027 | POSITIVE ELECTRODE, LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE POSITIVE ELECTRODE | 06-02-2016 |
20160156033 | NICKEL-MANGANESE COMPOSITE OXYHYDROXIDE, ITS PRODUCTION METHOD, AND ITS APPLICATION | 06-02-2016 |
20160163470 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - A power storage device which can have an improved performance such as higher discharge capacity and in which deterioration due to peeling of an active material layer or the like is difficult to occur, and a method for manufacturing the power storage device are provided. The power storage device includes a current collector, a mixed layer formed over the current collector, and a crystalline silicon layer which is formed over the mixed layer and functions as an active material layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions projecting over the crystalline silicon region. The whisker-like crystalline silicon region includes a protrusion having a bending or branching portion. | 06-09-2016 |
20160164088 | POSITIVE ELECTRODE MATERIALS FOR A LITHIUM BATTERY WITH A BASE OF AN OVERLITHIATED LAYERED OXIDE - The invention relates to a lithium battery positive electrode material comprising a powder of over-lithiated lamellar oxide fitting the following formula (I) : | 06-09-2016 |
20160164093 | CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY AND MANUFACTURING METHOD FOR SAME, AND NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY - To provide a cathode active material for a non-aqueous electrode rechargeable battery, with which it is possible to improve input/output characteristics, particularly by reducing resistance in a low SOC state in which DCIR increases, and to provide a manufacturing method for same. The cathode active material includes layered hexagonal crystal lithium nickel manganese composite oxide particles represented by the general formula (A): Li | 06-09-2016 |
20160164094 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A positive active material for a rechargeable lithium battery includes a lithium nickel composite oxide having an I | 06-09-2016 |
20160172663 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR USE IN SAME | 06-16-2016 |
20160172673 | CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD FOR SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 06-16-2016 |
20160172674 | CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 06-16-2016 |
20160172675 | TRANSITION METAL OXIDE CONTAINING SOLID-SOLUTION LITHIUM, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING TRANSITION METAL OXIDE CONTAINING SOLID-SOLUTION LITHIUM AS POSITIVE ELECTRODE | 06-16-2016 |
20160172682 | METHOD FOR PRODUCING AN ELECTRODE FOR A LITHIUM-ION BATTERY | 06-16-2016 |
20160181593 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING CATHODE ACTIVE MATERIAL | 06-23-2016 |
20160181597 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME | 06-23-2016 |
20160181606 | LITHIUM ION SECONDARY BATTERY | 06-23-2016 |
20160181614 | NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY | 06-23-2016 |
20160190559 | COATED LITHIUM-RICH LAYERED OXIDES AND PREPARATION THEREOF - A coated lithium-rich layered oxide consisting of: a lithium-rich layered oxide represented by the formula xLi | 06-30-2016 |
20160190567 | Lithium Secondary Battery - Disclosed is a lithium secondary battery, including a cathode, an anode and a non-aqueous electrolyte, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the anode includes hard carbon having an average lattice distance (d | 06-30-2016 |
20160190573 | LITHIUM COMPOSITE OXIDE AND MANUFACTURING METHOD THEREFOR - The present invention relates to a lithium composite oxide and a manufacturing method therefor and, more specifically, to: a lithium composite oxide in which the concentration of manganese forming the lithium composite oxide exhibits a concentration gradient in the entirety of the particles from the center to the surface, and comprising secondary particles formed from the condensing of stick-shaped primary particles; and a manufacturing method thereof. | 06-30-2016 |
20160190579 | METHOD FOR PREPARING TRANSITION METAL COMPOSITE OXIDE, TRANSITION METAL COMPOSITE OXIDE PREPARED THEREBY, AND LITHIUM COMPOSITE OXIDE PREPARED USING SAME - The present invention relates to a method for preparing a lithium composite oxide and a lithium composite oxide prepared thereby and, more specifically, to: a method for preparing a lithium composite oxide, capable of preparing a lithium-ion secondary battery with high capacity by adjusting the amount of a basic solution added according to the nickel content during the preparation of a lithium composite oxide through a co-precipitation reaction, thereby adjusting the pH of the reactor, and thus improving the particle density and increasing the tap density, and a lithium composite oxide prepared thereby. | 06-30-2016 |
20160197340 | LITHIUM SECONDARY BATTERY | 07-07-2016 |
20160197341 | CATHODE COMPOSITIONS FOR LITHIUM-ION BATTERIES | 07-07-2016 |
20160197346 | CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY CONTAINING SAME | 07-07-2016 |
20160204414 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME | 07-14-2016 |
20160204415 | METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 07-14-2016 |
20160204430 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 07-14-2016 |
20160254536 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 09-01-2016 |
20160254546 | METHOD OF PREPARING POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE MATERIAL | 09-01-2016 |
20160379764 | Ni(OH)2 NANOPOROUS FILMS AS ELECTRODES - The present disclosure pertains to electrodes that include a nickel-based material and at least one porous region with a plurality of nickel hydroxide moieties on a surface of the nickel-based material. The nickel-based material may be a nickel foil in the form of a film. The porous region of the electrode may be directly associated with the surface of the nickel-based material. The nickel hydroxide moieties may be in crystalline form and embedded with the porous region. The electrodes of the present disclosure may be a component of an energy storage device, such as a capacitor. Additional embodiments of the present disclosure pertain to methods of fabricating the electrodes by anodizing a nickel-based material to form at least one porous region on a surface of the nickel-based material; and hydrothermally treating the porous region to form nickel hydroxide moieties associated with the porous region. | 12-29-2016 |
20160380259 | METALLIC SURFACE WITH KARSTIFIED RELIEF, FORMING SAME, AND HIGH SURFACE AREA METALLIC ELECTROCHEMICAL INTERFACE - A metal electrode, current collector, or electrochemical interface is karstified vacuum laser ablation to increase surface area and reduce oxides. The electrode may be coated with a conductive non-oxidizing layer. The current collector may be a foil less than 1 mm, or 0.5 mm thick. The karstified topography is marked by: a microstructure with a maximum peak height minus a maximum profile depth greater than 0.5 μm; a surface roughness, of at least 0.2 μm, and an oxygen at. % of 5 or less, is shown to have advantageous use as a high surface area metallic electrochemical interface. The foil may be composed of Al, Ti, Ni, Cu, stainless steel or an alloy or mixture of one or more of the above, and may have a coating consisting of Ni, Ti, C, any alloy of the above, nickel oxide, titanium dioxide, zinc oxide, indium tin oxide, or a mixture of carbon and any one or more of the above. Karstifying the metal foil, involves retaining the foil within a vacuum chamber; evacuating the chamber to a pressure less than 7×10 | 12-29-2016 |
20160380263 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY - A positive electrode active material for a lithium secondary battery, comprising a lithium-containing composite metal oxide in the form of secondary particles formed by aggregation of primary particles capable of being doped and undoped with lithium ions, each of the secondary particles having on its surface a coating layer, the positive electrode active material satisfying the following requirements (1) to (3): | 12-29-2016 |
20170237069 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY | 08-17-2017 |
20180026261 | LITHIUM METAL OXIDE, NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY COMPRISING THE SAME, AND METHOD OF PREPARING THE SAME | 01-25-2018 |
20180026265 | POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 01-25-2018 |
20180026266 | Positive Active Material For Lithium Secondary Battery, Method For Producing Same, And Lithium Secondary Battery Comprising Same | 01-25-2018 |
20180026267 | NICKEL-BASED ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE NICKEL-BASED ACTIVE MATERIAL | 01-25-2018 |
20180026268 | NICKEL-BASED ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE NICKEL-BASED ACTIVE MATERIAL | 01-25-2018 |
20190148719 | ELECTRODE MATERIAL INCLUDING ACTIVE MATERIAL PARTICLES CONTAINING NICKEL AND COVER LAYERS CONTAINING NIOBIUM, AND BATTERY USING THE SAME | 05-16-2019 |
20220140320 | Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Including the Same - A positive electrode includes: a positive electrode active material layer formed on a surface of a positive electrode current collector, including two types of positive electrode active materials with different average particle diameters (D | 05-05-2022 |