| Entries |
| Document | Title | Date |
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| 20080226984 | ELECTRODE FOR A RECHARGEABLE LITHIUM BATTERY, AND A RECHARGEABLE LITHIUM BATTERY FABRICATED THEREFROM - An embodiment of the present invention provides an electrode for a rechargeable lithium battery, including: a current collector; and an active material layer on the current collector, wherein the active material layer includes an active material adapted to reversibly intercalate and deintercalate lithium ions, a binder, and a pore-forming polymer. | 09-18-2008 |
| 20080254363 | Electrochemical energy storage device - The present invention provides an electrochemical energy storage device comprising a positive electrode, a negative electrode, and a non-aqueous electrolytic solution containing an ammonium salt, wherein the negative electrode potential upon completion of charging is set to less than 1.8 V and 0.1 V or more relative to a lithium reference in which high electric capacity is obtained and a reductive decomposition reaction of the ammonium salt on the negative electrode is avoided, and thus efficiency upon every charging and discharging cycle is improved, resulting in a long cycle life. | 10-16-2008 |
| 20090017375 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery of the present invention includes a positive electrode including a positive electrode material mixture, a negative electrode including a negative electrode material mixture, and a non-aqueous electrolyte including a non-aqueous solvent and a first lithium salt and a second lithium salt dissolved in the non-aqueous solvent. The negative electrode material mixture includes a material capable of absorbing and desorbing lithium ions, and carbon nanofibers. The material capable of absorbing and desorbing lithium ions has a ratio A/B of a volume A in a charged state to a volume B in a discharged state of 1.2 or more. The first lithium salt is at least one selected from the group consisting of LiBF | 01-15-2009 |
| 20090081545 | HIGH CAPACITY AND HIGH RATE LITHIUM CELLS WITH CFx-MnO2 HYBRID CATHODE - A nonaqueous cell employing an anode such as lithium or lithium alloy, a liquid lithium salt nonaqueous electrolyte, a thermal shutdown separator and a cathode comprising a homogeneous hybrid mixture of carbon fluoride and manganese dioxide, said carbon fluoride or poly-carbon fluoride being represented by the formula (CFx) wherein 0.5≦x≦1.2 and contained in said mixture in a ratio by weight of about 5 to 99%, preferably about 5 to 50% and said manganese dioxide is heat treated electrolytic manganese dioxide represented by EMD or MnO | 03-26-2009 |
| 20090087742 | Lithium Battery Using an Aqueous Electrolyte - The invention relates to a lithium battery including a cell comprising:
| 04-02-2009 |
| 20090111020 | ANODE AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY - An anode and a secondary battery capable of improving the charge and discharge efficiency are provided. The anode includes an anode current collector, and an anode active material layer provided on the anode current collector. The anode active material layer has a plurality of anode active material particles containing at least one of a simple substance of silicon, a compound of silicon, a simple substance of tin and a compound of tin, and has a coat containing an oxo acid salt in at least part of the surface of the anode active material particles. | 04-30-2009 |
| 20090181302 | ELECTROLYTE ADDITIVE FOR PERFORMANCE STABILITY OF BATTERIES - An organic additive to an electrolyte for a battery cell in an implantable medical device is presented. At least one organic additive is selected from a group comprising one of lithium salicylate, hydroxyphthalic anhydride, a hydroxybenzoic acid, salicylate ester, salicylamide, and salicylanilide. | 07-16-2009 |
| 20090191458 | POROUS NETWORK NEGATIVE ELECTRODES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode of a non-aqueous electrolyte secondary battery comprises a current collector and a mixture comprising an electrode active material, a conductive material, and a binder on the current collector. The electrode active material comprises a porous oxide, in which the porous oxide comprises a lithium absorbing nano-material. The electrode active material is used in the electrodes of non-aqueous secondary batteries, preferably as the negative electrode active material. | 07-30-2009 |
| 20090197169 | ALKALINE BATTERY - An alkaline battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte, wherein the positive electrode includes manganese dioxide and graphite; the cumulative pore volume of pores with diameters of 3 to 5 nm in the manganese dioxide is X (cm | 08-06-2009 |
| 20090208840 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided. | 08-20-2009 |
| 20090214950 | Lithium cell - A primary electrochemical is disclosed having an anode comprising lithium metal or lithium alloy, a cathode comprising iron disulfide (FeS | 08-27-2009 |
| 20090214951 | LITHIUM SECONDARY BATTERY - To provide a lithium secondary battery having an excellent input and output balance, a high capacity, and a long life. A lithium secondary battery comprising: a positive electrode containing a positive electrode active material which is applied to both sides of a positive electrode collector foil and contains a lithium transition metal complex oxide; a negative electrode containing a negative electrode active material which is applied to both sides of a negative electrode collector foil and occludes and releases lithium; and a nonaqueous electrolytic solution containing a lithium salt, wherein there is an SOC region where a specific input power is almost equal to a specific output power in a range of 20 to 40% of state of charge (SOC) of the lithium secondary battery. | 08-27-2009 |
| 20090239145 | LITHIUM ION RECHARGEABLE BATTERY - A high power lithium-ion secondary battery having an increased capacity and capable of maintaining high discharge voltage and repeating charging/discharging high current. A lithium-ion secondary battery having; an electrode group formed by laminating or winding a negative electrode layer and a positive electrode layer so as to interpose a separator made of synthetic resin, the negative electrode layer containing a material capable of intercalating/deintercalating lithium-ion, and a positive electrode layer including a lithium-containing metallic oxide; and a non-aqueous electrolyte containing lithium salt, where the electrode group is immersed. The positive electrode material unit contains a fluorinated lithium-containing metallic oxide as a main material, and the separator possesses a hydrophilic group. Further, the positive electrode material preferably contains a main material including LiNi | 09-24-2009 |
| 20090239146 | Non- Aqueous electrolyte secondary battery - A 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 non-aqueous electrolyte having lithium ion conductivity. The positive electrode includes a lithium-containing transition metal oxide having a layered structure and being represented by the general formula Li | 09-24-2009 |
| 20090246624 | CARBON MATERIAL FOR NEGATIVE ELECTRODE, ELECTRIC STORAGE DEVICE, AND PRODUCT HAVING MOUNTED THEREON ELECTRIC STORAGE DEVICE - Mesoporous graphite is used as an active material of a negative electrode constituting a lithium ion secondary battery or a lithium ion capacitor. Specifically, the mesoporous graphite has a specific area within the range of 0.01 m | 10-01-2009 |
| 20090246625 | HIGH PERFORMANCE BATTERIES WITH CARBON NANOMATERIALS AND IONIC LIQUIDS - The present invention is directed to lithium-ion batteries in general and more particularly to lithium-ion batteries based on aligned graphene ribbon anodes, V | 10-01-2009 |
| 20090253036 | Electrochemical Cell - Titanium dioxide or a lithium titanate, especially mesoporous titanium dioxide or lithium titanate, can function as a negative electrode in an electrochemical cell in which the electrolyte is an aqueous solution containing lithium and hydroxide ions. | 10-08-2009 |
| 20090263715 | FILMS FOR ELECTROCHEMICAL STRUCTURAL ELEMENTS AND METHOD FOR PRODUCING SUCH FILSM - The invention relates to a paste-like mass that can be used in electrochemical structural elements, including a heterogeneous mixture of (1.) a matrix (A) containing at least one organic polymer, precursors thereof, or prepolymers thereof, and a plasticizer, and (2.) an electrochemically activatable inorganic material in the form of a solid substance (B), the material not being soluble in the matrix and in water, with the proviso that a conductor that is soluble in the plasticizer and that is different from (B) is not present in the mixture, wherein the plasticizer is present in a quantity of up to about 5% by weight, relative to the quantity of the electrochemically activatable material. Self-supporting layers or layers that are placed on a substrate can be prepared from the paste-like mass. Composite layers having electrochemical properties are obtainable by combining such a layer wherein (B) is a positive electrode material, a layer wherein (B) has solid electrolyte properties, and a layer wherein (B) is a negative electrode material and can be used in rechargeable electrochemical cells. | 10-22-2009 |
| 20090269664 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly and a secondary battery having the same are provided. The electrode assembly includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a porous layer for separating the positive and negative electrodes from each other that is formed of a combination of a ceramic material having a particle size of about 50 to 300 nm (particle size distribution value: D50) and a binder. Moreover, the porous layer contains an antacid. The secondary battery having the electrode assembly has satisfactory lifespan and overcharge characteristics. | 10-29-2009 |
| 20090274958 | Lithium-Ion Secondary Battery - The purpose of the present invention is to provide a lithium-ion secondary battery with small internal resistance, excellent load characteristics and low reduction in capacitance due to repeated discharge and charge. | 11-05-2009 |
| 20090280405 | PROCESS FOR MODIFYING THE INTERFACIAL RESISTANCE OF A METALLIC LITHIUM ELECTRODE - The invention relates to a method of modifying the interfacial resistance of a lithium metal electrode immersed in an electrolytic solution, which consists in depositing a film of metal oxide particles on the surface of this electrode. | 11-12-2009 |
| 20090286156 | Method for production of an anode for a lithium-ion battery - The invention relates to a method for producing an anode for a lithium-ion battery, said anode comprising a current collector formed from a transition metal M in the form of a foam and an active material comprising a binary phosphide of said metal M, said active material corresponding to the formula MP | 11-19-2009 |
| 20090297945 | NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE HAVING THE SAME AND LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator separating the positive electrode from the negative electrode, and an electrolyte. The negative electrode active material includes a graphite core particle, at least one metal particle located on the graphite core particle, and a polymer film coating the graphite core particle and the at least one metal particle. The polymer includes a polyimide- or polyacrylate-based polymer. | 12-03-2009 |
| 20090305132 | Electrode material including a complex lithium/transition metal oxide - The invention relates to an electrode material and a composite electrode including same. The electrode material consists of particles or particulate aggregates of a complex Li | 12-10-2009 |
| 20100015524 | LITHIUM SECONDARY BATTERY OF IMPROVED LOW-TEMPERATURE POWER PROPERTY - Provided is a lithium secondary battery which has excellent low-temperature power output characteristics by the inclusion of a given amount of a lithium metal oxide and/or a lithium metal sulfide in an anode mix for a lithium secondary battery containing a carbon-based anode active material and is thereby capable of being used as a power source for electric vehicles (EVs) and hybrid electric vehicles (HEVs) that must provide high-power output at low temperatures as well as at room temperature. | 01-21-2010 |
| 20100021815 | SECONDARY BATTERIES COMPRISING EUTECTIC MIXTURE AND PREPARATION METHOD THEREOF - Disclosed is a secondary battery comprising a cathode, an anode, a separator and an electrolyte, wherein the electrolyte comprises: (a) a eutectic mixture; and (b) a first compound reduced at a higher potential vs. lithium potential (Li/Li+) than the lowest limit of the electrochemical window of the eutectic mixture. The electrolyte uses a eutectic mixture in combination with an additive reduced in advance of the eutectic mixture upon the initial charge to form a solid electrolyte interface (SEI) layer. Therefore, the electrolyte can solve the problem of electrolyte decomposition occurring when using a eutectic mixture alone as an electrolyte for a battery, and thus can prevent degradation of the quality of a battery. | 01-28-2010 |
| 20100092863 | Non-aqueous electrolyte for secondary battery and secondary battery including the same - A non-aqueous electrolyte for a secondary battery and a secondary battery comprising the non-aqueous electrolyte. The non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, and as an additive, a compound represented by Formula 1: | 04-15-2010 |
| 20100112437 | LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium ion secondary battery that has high degrees of reliability and safety and is applicable to an auxiliary electric power supply for a next-generation clean energy vehicle such as a fuel-cell-powered vehicle, a plug-in hybrid electric vehicle or the like. | 05-06-2010 |
| 20100136427 | WATER BASED LITHIUM SECONDARY BATTERY - The present invention provides a water based lithium secondary battery that can inhibit deteriorations in capacity owing to charge-and-discharge operations and maintain a high capacity even after it is charged and discharged repeatedly. The water based lithium secondary battery includes a positive electrode, a negative electrode, a separator sandwiched between these, and an aqueous electrolyte solution obtained by dissolving an electrolyte made of a lithium salt in a water based solvent. As the water based solvent, a pH buffer solution is employed. The buffer solution is obtained by dissolving an acid and its conjugate base's salt, a base and its conjugate acid's salt, a salt made from a weak acid and a strong base, a salt made from a weak base and a strong acid, or a salt made from a weak acid and a weak base in water. | 06-03-2010 |
| 20100159321 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY COMPRISING CHELATING AGENT AND LITHIUM SECONDARY BATTERY USING THE SAME - Disclosed herein is an electrolyte for lithium secondary batteries comprising: a chelating agent, which forms complexes with transition metal ions in the battery, and at the same time does not react and coordinate with lithium ions; a non-aqueous solvent; and an electrolyte salt, as well as a lithium secondary battery comprising the electrolyte. The chelating agent, which is contained in the electrolyte for lithium secondary batteries, can suppress a side reaction in which transition metal ions are reduced and deposited as transition metals on the anode. Also, the chelating agent can suppress internal short-circuits in the battery and the resulting voltage drop of the battery and a reduction in the safety and performance of the battery, which can occur when transition metals are deposited on the anode. | 06-24-2010 |
| 20100173195 | MATERIAL FOR ELECTROLYTIC SOLUTIONS AND USE THEREOF - It is an object of the present invention to provide a material for electrolytic solutions suited for use as material in electrolytic solutions serving as ionic conductors in electrochemical devices, such as large-capacity cells or batteries. | 07-08-2010 |
| 20100183917 | FILM FORMER-FREE ELECTROLYTE/SEPARATOR SYSTEM AND USE THEREOF IN ELECTROCHEMICAL ENERGY ACCUMULATORS - The invention relates to an electrolyte separator system comprising an ionic liquid, a conductive salt and a ceramic separator, and the use of the electrolyte separator system according to the invention in electrochemical energy storage systems, in particular of lithium metal and lithium ion batteries. | 07-22-2010 |
| 20100183918 | Nonaqueous electrolytic solution battery - A nonaqueous electrolytic solution composition includes: an ambient temperature molten salt in an amount of not more than 1.0% by mass relative to the total of negative electrode active materials. | 07-22-2010 |
| 20100196758 | ELECTRODE ACTIVE MATERIAL FOR POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND ELCTRONIC AND TRANSPORT DEVICES - An electrode active material for a power storage device of the invention includes a ketone compound that includes a ring structure in a molecule, the ring structure being a five-membered or seven-membered ring composed of atoms at least three adjacent ones of which are each bonded to a ketone group. The electrode active material for a power storage device of the invention has a high weight-energy density and good reversibility of oxidation-reduction reaction. The use of the electrode active material for a power storage device of the invention can provide a power storage device having a high capacity, a high voltage, and good charge/discharge cycle characteristics. | 08-05-2010 |
| 20100209770 | 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 nickel-based positive active material, a binder, and a conductive material, wherein the binder is included in an amount of 120 to 160 parts by weight based on 100 parts by weight of the conductive material. | 08-19-2010 |
| 20100209771 | LITHIUM TRANSITION METAL-BASED COMPOUND POWDER, METHOD FOR MANUFACTURING THE SAME, SPRAY-DRIED SUBSTANCE SERVING AS FIRING PRECURSOR THEREOF, AND LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY USING THE SAME - A lithium transition metal-based compound powder for a lithium secondary battery positive electrode material that can achieve both improvements of load characteristics such as rate and output characteristics and a higher density is a lithium transition metal-based compound powder containing, as a main component, a lithium transition metal-based compound that has a function of allowing elimination and insertion of lithium ions, and including a crystal structure belonging to a layer structure, wherein primary particles are aggregated to form secondary particles, the ratio A/B of a median diameter A of the secondary particles to an average diameter (average primary particle diameter B) is in the range of 8 to 100, and 0.01≦FWHM(110)≦0.5 where FWHM(110) is the half width of a (110) diffraction peak present near a diffraction angle 2θ of 64.5° in a powder X-ray diffraction analysis using a CuKα line. | 08-19-2010 |
| 20100209772 | NON-AQUEOUS ELECTROLYTE, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed is a non-aqueous electrolyte and a lithium rechargeable battery including the same, a first lithium salt represented by the following Chemical Formula 1, and a second lithium salt excluding boron. | 08-19-2010 |
| 20100216019 | METHOD FOR MANUFACTURING SECONDARY BATTERY - Disclosed is a method for manufacturing a secondary battery ( | 08-26-2010 |
| 20100221605 | ADDITIVES FOR LITHIUM-ION ACCUMULATORS - A lithium-ion accumulator includes an anode, a cathode, a separator, and an electrolyte which is in connection with the anode and the cathode, which electrolyte includes at least one lithium salt as electrolyte salt and a solvent solubilizing the at least one lithium salt. The at least one lithium salt reacts with water to form an hydrogenous acid, and the electrolyte includes at least one additive, which reacts with the hydrogenous acid to form a compound acting as electrolyte salt. | 09-02-2010 |
| 20100227218 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery wherein the non-aqueous electrolyte contains a non-aqueous solvent, a solute dissolved in the non-aqueous solvent, and hydrogenated terphenyl, the solute includes a boron-containing alkali salt and a boron-free alkali salt, the negative electrode includes a negative electrode active material comprising a randomly oriented carbon composite (A), and the carbon composite (A) contains a graphitic carbon substance (B) and a carbon substance (C) that is different from the graphitic carbon substance (B). | 09-09-2010 |
| 20100227219 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - An electrolyte for a lithium secondary battery includes lithium salts, a non-aqueous organic solvent, and additive compounds, which initiates decomposition at 4V to 5V and show a constant current maintenance plateau region of more than or equal to 0.5V at measurement of LSV (linear sweep voltammetry). The additive compounds added to the electrolyte of the present invention decompose earlier than the organic solvent to form a conductive polymer layer on the surface of a positive electrode by increased electrochemical energy and heat at overcharge. The conductive polymer layer prevents decomposition of the organic solvent. Accordingly, the electrolyte inhibits gas generation caused by decomposition of the organic solvent during high temperature storage, and also improves safety of the battery during overcharge. | 09-09-2010 |
| 20100248025 | ELECTROLYTE AND SECONDARY BATTERY - Provided is a secondary battery exhibiting excellent durability. Also disclosed is an electrolyte possessing a porous particle, an ionic liquid and a supporting electrolyte salt, wherein the electrolyte has a dynamic elastic modulus of at least 10 | 09-30-2010 |
| 20100261053 | LEAD-PALLADIUM BATTERY - A storage battery is provided comprising a positive electrode of lead, a negative electrode of palladium, and an electrolyte consisting of an aqueous solution of a sulfate salt. Upon charging, lead is converted to lead dioxide and atomic hydrogen is absorbed by the palladium. During discharge, lead dioxide is reduced to the plumbous state and hydrogen is oxidized to hydrogen ions. | 10-14-2010 |
| 20100273049 | Textile Electrode and Accumulator Containing Such an Electrode - The invention relates to an electrode comprising (a) an electron collector containing one or more transition metals from the groups 4 to 12 of the Periodic Classification of the Elements, and (b) a material that is electrochemically active, present on the surface of the electron collector in the form of a nano-structured conversion layer containing nano-particles or agglomerates of said nano-particles, wherein the nano-particles have a mean diameter of between 1 and 1000 nm, preferably between 10 and 300 nm, wherein said electrochemically active material contains at least one compound of the transition metal or transition metals present in the electron collector, characterised by the fact that the electrode is a textile formed by metallic wires or fibres. The invention also relates to a half-accumulator and an accumulator containing such a textile electrode. | 10-28-2010 |
| 20100273050 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface. | 10-28-2010 |
| 20100291437 | PHENYL SULFONATE COMPOUND, NONAQUEOUS ELECTROLYTE SOLUTION USING THE SAME, AND LITHIUM BATTERY - Provided are (1) a novel phenyl sulfonate compound, (2) a nonaqueous electrolytic solution comprising an electrolyte salt dissolved in a nonaqueous solvent and containing a phenyl sulfonate compound of the following general formula (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and (3) a lithium battery containing the nonaqueous electrolytic solution and excellent in low-temperature cycle property. | 11-18-2010 |
| 20100297496 | CARBON-TREATED COMPLEX OXIDES AND METHOD FOR MAKING THE SAME - The invention relates to a process for the preparation of a carbon-treated complex oxide having a very low water content and to its use as cathode material. | 11-25-2010 |
| 20100316908 | BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; a nonaqueous electrolyte containing an electrolyte salt; and a separator, wherein in the electrolyte salt, a molar fraction x of at least one member selected among electrolyte salts represented by the following formulae (1) and (2) occupying in the whole electrolyte salt satisfies a relationship of (0.5| 12-16-2010 | |
| 20100323241 | ELECTRODE STRUCTURE FOR LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY HAVING SUCH ELECTRODE STRUCTURE - An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge lithium by electrochemical reaction, and a binder of an organic polymer; and a current collector. The main active material layer includes a powder of a support material for supporting the electron conduction of the main active material layer in addition to the metal powder and the powder of the support material are particles having a spherical, pseudo-spherical or pillar shape with an average particle size of 0.3 to 1.35 times the thickness of the main active material layer. The support material is one or more selected from graphite, oxides of transition metals and metals that do not electrochemically form alloy with lithium. Organic polymer compounded with a conductive polymer is used for the binder. | 12-23-2010 |
| 20100330418 | POLYMER ELECTROLYTE, BATTERY AND METHOD - A polymer electrolyte comprises a first polymeric matrix, a second polymeric matrix, and a lithium salt. The first polymeric matrix comprises pores. The second polymeric matrix is disposed in at least some of the pores of the first polymeric matrix. The lithium salt is disposed in at least some of the pores of the first polymeric matrix. | 12-30-2010 |
| 20110003201 | ELECTRICITY STORAGE MATERIAL AND ELECTRICITY STORAGE DEVICE - An electricity storage material according to the present invention contains a copolymer compound of first units and second units, each first unit having a side chain which is an oxidation-reduction site having a it conjugate electron cloud and being of a structure represented by general formula (1) below, and each second unit having no oxidation-reduction reaction site as a side chain. In general formula (1), X | 01-06-2011 |
| 20110008675 | ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY HAVING THE SAME - Embodiments of the present invention are directed to electrode assemblies and secondary batteries using the same. The secondary battery includes an electrode assembly including a positive electrode having a positive active material, a negative electrode including a negative active material, and a separator between the positive and negative electrodes. The positive active material includes a lithium composite oxide represented by LiCO | 01-13-2011 |
| 20110014517 | LITHIUM SECONDARY BATTERY CONTAINING ADDITIVE FOR IMPROVED HIGH-TEMPERATURE CHARACTERISTICS - Provided is a secondary battery containing polyalkyleneglycol diglycidylether represented by formula I added in a predetermined amount to an electrolyte for the battery. The secondary battery containing the above additive exhibits remarkably improved high-temperature characteristics, prevents deterioration in rate characteristics and cycle characteristics, and considerably reduces thickness swelling of the battery so as to prevent battery leakage, ultimately enhancing safety of the battery. | 01-20-2011 |
| 20110014518 | SECONDARY BATTERY, ANODE, CATHODE, AND ELECTROLYTE - A secondary battery, a cathode, an anode, and an electrolyte are provided. For example, a secondary battery is provided including an anode; a cathode; and an electrolyte, wherein the anode includes an anode active material and a coat including a substance selected from the group consisting of metal barium and barium compounds. | 01-20-2011 |
| 20110020702 | IRON-DOPED VANADIUM(V) OXIDES - The present invention relates to iron-doped vanadium(V) oxides of formula Fe | 01-27-2011 |
| 20110027647 | ANODE, BATTERY, AND METHODS OF MANUFACTURING THEM - A battery including an electrolytic solution. The electrolytic solution including a compound having a sulfonyl group and at least one peak of ions is selected from the group consisting of Li | 02-03-2011 |
| 20110052982 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte battery comprising a negative electrode containing a carbon material capable of doping and dedoping lithium ions as a negative electrode active material; a positive electrode containing a composite oxide of lithium and a transition metal as a positive electrode active material; and a non-aqueous electrolytic solution; wherein the non-aqueous electrolytic solution contains 0.001% by weight or more and 5% by weight or less of a diamine compound having two tertiary amino groups capable of interacting with a proton. | 03-03-2011 |
| 20110111289 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a current collector, a positive active material layer on the current collector and including a lithium manganese-based positive active material, and a protective layer on the positive active material layer and including a phosphite-based compound; a negative electrode; and an electrolyte coupled with the positive electrode and the negative electrode and including a lithium salt, a non-aqueous solvent, and an additive. | 05-12-2011 |
| 20110111290 | BATTERY-DEDICATED ELECTRODE FOIL, POSITIVE ELECTRODE PLATE, BATTERY, VEHICLE, AND BATTERY-EQUIPPED APPLIANCE, AND MANUFACTURE METHOD FOR THE BATTERY-DEDICATED ELECTRODE FOIL, AND MANUFACTURE METHOD OF THE POSITIVE ELECTRODE PLATE - A battery-dedicated electrode foil ( | 05-12-2011 |
| 20110117430 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive active material for intercalating and deintercalating lithium ions; a negative electrode including a negative active material for intercalating and deintercalating lithium ions; and a polymer electrolyte including a polymer, a non-aqueous organic solvent and a lithium salt. The rechargeable lithium battery has a battery capacity per unit area of the positive electrode from about 3.3 mAh/cm | 05-19-2011 |
| 20110143197 | ELECTRODE ACTIVE MATERIAL FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE, AND ELECTRONIC EQUIPMENT AND TRANSPORTATION EQUIPMENT - An electrode active material for a power storage device of the invention includes an organic compound having, in the molecule, a plurality of electrode reaction sites and a linker site. The electrode reaction sites are residues of a 9,10-phenanthrenequinone compound that contributes to an electrochemical redox reaction. The linker site is disposed between the plurality of electrode reaction sites, does not contain any ketone group, and does not contribute to the electrochemical redox reaction. The electrode active material for a power storage device of the present invention is inhibited from being dissolved in an electrolyte and has a high energy density. By using the electrode active material, it is possible to obtain a power storage device having a high energy density and excellent charge/discharge cycle characteristics. | 06-16-2011 |
| 20110151321 | HIGH PERFORMANCE ENERGY STORAGE AND COLLECTION DEVICES CONTAINING EXFOLIATED MICROTUBULES AND SPATIALLY CONTROLLED ATTACHED NANOSCALE PARTICLES AND LAYERS - The present disclosure relates to energy storage or collection devices and methods for making such devices having electrode materials containing exfoliated nanotubes with attached electro- or photoactive nanoscale particles or layers. | 06-23-2011 |
| 20110195305 | Organic electrolyte and lithium battery including the same - An organic electrolyte including a lithium salt; an organic solvent; and a flavone-based or flavanon-based compound, and a lithium battery including the organic electrolyte. | 08-11-2011 |
| 20110244320 | NEGATIVE ELECTRODE MATERIALS FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode of a non-aqueous electrolyte secondary battery comprises a current collector and a mixture comprising a negative electrode active material, a conductive material, and a binder on the current collector. The negative electrode active material has the overall composition: M | 10-06-2011 |
| 20110244321 | LITHIUM SECONDARY BATTERY OF IMPROVED LOW-TEMPERATURE POWER PROPERTY - Provided is a lithium secondary battery which has excellent low-temperature power output characteristics by the inclusion of a given amount of a lithium metal oxide and/or a lithium metal sulfide in an anode mix for a lithium secondary battery containing a carbon-based anode active material and is thereby capable of being used as a power source for electric vehicles (EVs) and hybrid electric vehicles (HEVs) that must provide high-power output at low temperatures as well as at room temperature. | 10-06-2011 |
| 20110250497 | ELECTRODE COMPRISING A MODIFIED COMPLEX OXIDE AS ACTIVE SUBSTANCE - An electrode includes an electrically conducting support carrying an electrode material, which has an active substance consisting of particles of a complex oxide which at their surface carry organic phosphorous groups fixed by covalent bonding. The complex oxide may be LiV3O8, LiMn2O4, LiCoO2, LiMPO4 with M=Fe, Mn or Co, Li2MSiO4 with M=Fe, Mn or Co, LiFeBO3, Li4Ti5O12, LiMn2O4, LiNi1−y−zMnyCozAltO2 (0 2O5, MnO2, LiFePO4F, Li3V2(PO4)3, and LiVPO4F. The electrode is useful in particular for lithium batteries. | 10-13-2011 |
| 20110262804 | ELECTROCHEMICAL DEVICE WITH A MAGNESIUM ANODE AND A STABLE, SAFE ELECTROLYTE COMPATIBLE WITH SULFUR - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing an electrochemically active magnesium salt obtained by mixing an organic magnesium compound with an aluminum compound in an ether solvent and separation of the electrochemically active salt from the reaction mixture is provided. The separated electrochemically active salt is stable and safe to handle in comparison to conventional Grignard based electrolyte systems. | 10-27-2011 |
| 20110305947 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a positive active material for a lithium rechargeable battery and a lithium rechargeable battery using the same, and the positive active material is represented by the following Chemical Formula 1, and has an effective magnetic moment of about 2.4 μ | 12-15-2011 |
| 20110311866 | LITHIUM BATTERY AND METHOD OF MANUFACTURING THE SAME - Embodiments of the invention are directed to lithium batteries including negative electrodes containing lithium titanate negative active materials, and methods of manufacturing the lithium batteries. | 12-22-2011 |
| 20120009468 | NEGATIVE ELECTRODE AND NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity. | 01-12-2012 |
| 20120034518 | MICROPOROUS MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM - A microporous membrane comprising polyolefin copolymer, the membrane having a shutdown temperature≦130.5° C. and a shutdown activation energy E2≧3.5×10 | 02-09-2012 |
| 20120034519 | MICROPOROUS MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM - The invention relates to microporous membranes comprising polymer and having well-balanced permeability, shutdown temperature, and pin puncture strength. The invention also relates to methods for making such membranes, and the use of such membranes as battery separator film in, e.g., lithium ion secondary batteries. | 02-09-2012 |
| 20120045688 | Lithium super-battery with a functionalized nano graphene cathode - An electrochemical energy storage device, lithium super-battery, comprising a positive electrode, a negative electrode, a porous separator disposed between the two electrodes, and a lithium-containing electrolyte in physical contact with the two electrodes, wherein the positive electrode comprises a plurality of chemically functionalized nano graphene platelets (f-NGP) or exfoliated graphite having a functional group that reversibly reacts with a lithium atom or ion. In a preferred embodiment, a lithium super-battery having a f-NGP positive electrode and Li | 02-23-2012 |
| 20120077081 | ELECTRODE COMPRISING A MODIFIED COMPLEX OXIDE AS ACTIVE SUBSTANCE - An electrode includes an electrically conducting support carrying an electrode material, which has an active substance consisting of particles of a complex oxide which at their surface carry organic phosphorous groups fixed by covalent bonding. The complex oxide may be LiV3O8, LiMn2O4, LiCoO2, LiMPO4 with M=Fe, Mn or Co, Li2MSiO4 with M=Fe, Mn or Co, LiFeBO3, Li4Ti5O12, LiMn2O4, LiNi1−y−zMnyCozAltO2 (0 2O5, MnO2, LiFePO4F, Li3V2(PO4)3, and LiVPO4F. The electrode is useful in particular for lithium batteries. | 03-29-2012 |
| 20120088148 | MAGNETIZED BATTERY CATHODES - The present invention provides a magnetized cathode mixture material comprising a ferromagnetic material, an electroactive material, and an electrolyte. | 04-12-2012 |
| 20120088149 | MICROPOROUS MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM - The present invention relates to microporous membranes comprising polymer and having well-balanced permeability and heat shrinkage, especially heat shrinkage at elevated temperature. The invention also relates to methods for making such membranes, and the use of such membranes as battery separator film in, e.g., lithium ion secondary batteries. | 04-12-2012 |
| 20120094175 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface. | 04-19-2012 |
| 20120100425 | LEAD ALKALINE BATTERY - A rechargeable battery is provided such that the positive electrode comprises lead dioxide, the negative electrode comprises a metal selected from the group consisting of iron, zinc, cadmium, lanthanum/nickel alloys and titanium/zirconium alloys, and the electrolyte is an aqueous alkali-metal acetate. Upon discharge, the lead dioxide is reduced to lead oxide, and the electrolyte remains unchanged. The reactions are reversed when the battery is charged. | 04-26-2012 |
| 20120100426 | LITHIUM SECONDARY BATTERY OF IMPROVED LOW-TEMPERATURE POWER PROPERTY - Provided is a lithium secondary battery which has excellent low-temperature power output characteristics by the inclusion of a given amount of a lithium metal oxide and/or a lithium metal sulfide in an anode mix for a lithium secondary battery containing a carbon-based anode active material and is thereby capable of being used as a power source for electric vehicles (EVs) and hybrid electric vehicles (HEVs) that must provide high-power output at low temperatures as well as at room temperature. | 04-26-2012 |
| 20120121976 | POROUS NETWORK NEGATIVE ELECTRODES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode of a non-aqueous electrolyte secondary battery comprises a current collector and a mixture comprising an electrode active material and a binder on the current collector. The electrode active material comprises a porous composite material, in which the porous composite material comprises a lithium absorbing material and a conductive material. The lithium absorbing material may be silicon, tin, silicon oxide, tin oxide, and mixtures thereof. The lithium absorbing material may specifically be the nanoparticles of silicon, tin, silicon oxide, tin oxide, and mixtures thereof. The conductive material may be, for example, acetylene black, ketchen black, carbon black, vapor grown carbon fibers (VGCF), and mixtures thereof. The conductive material may be disposed within the electrode active material rather than outside of the active material. The electrode active material is used in the electrodes of non-aqueous secondary batteries, preferably as the negative electrode active material. | 05-17-2012 |
| 20120121977 | Surface-modified silicon anode active material, method of preparing the same, and anode and lithium battery employing the same - An anode active material comprising silicon particles with an interfacial layer formed on the surface of the silicon is provided. The interfacial layer has good electron conductivity, elasticity and adhesion among anode materials, thereby enhancing anode capacity and reducing stress caused by expansion of silicon particles during charge and discharge cycles. Direct contact between silicon particles and electrolyte is remarkably reduced as well. In addition, anodes and lithium batteries including the anode active material exhibit excellent capacity and cycle efficiency. | 05-17-2012 |
| 20120208080 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an alkyl benzonitrile compound represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same are provided. | 08-16-2012 |
| 20120214058 | COPPER COLLECTOR FOR SECONDARY BATTERY COMPRISING Cu-NITRILE COMPOUND COMPLEX FORMED ON SURFACE THEREOF - Disclosed are copper foil or net comprising a Cu-nitrile compound complex formed on the surface thereof, a method for preparing the same, and a lithium secondary battery that comprises an electrode using the same copper foil or net as a collector. The lithium secondary battery, which uses a copper collector comprising a Cu-nitrile compound complex formed on the surface thereof through the application of a certain voltage level, can prevent the corrosion of Cu occurring at a voltage of 3.6V or higher under overdischarge conditions away from the normal drive condition, and thus can significantly improve the capacity restorability after overdischarge. | 08-23-2012 |
| 20130065116 | LITHIUM ION SECONDARY BATTERY - Disclosed is a lithium ion secondary battery having a positive electrode, a negative electrode and a non-aqueous electrolyte composition (electrolytic solution), characterized in that: the positive electrode includes a positive electrode active material represented by: aLi[Li | 03-14-2013 |
| 20130095380 | ELECTRODE STRUCTURE AND METHOD FOR MAKING THE SAME - Electrode structures, and more specifically, electrode structures for use in electrochemical cells, are provided. The electrode structures described herein may include one or more protective layers. In one set of embodiments, a protective layer may be formed by exposing a lithium metal surface to a plasma comprising ions of a gas to form a ceramic layer on top of the lithium metal. The ceramic layer may be highly conductive to lithium ions and may protect the underlying lithium metal surface from reaction with components in the electrolyte. In some cases, the ions may be nitrogen ions and a lithium nitride layer may be formed on the lithium metal surface. In other embodiments, the protective layer may be formed by converting lithium to lithium nitride at high pressures. Other methods for forming protective layers are also provided. | 04-18-2013 |
| 20130189574 | ARYL DIAZONIUM SALT AND USE IN AN ELECTROLYTIC SOLUTION OF AN ELECTROCHEMICAL GENERATOR - The invention relates to a diazonium aryl salt devoid of hydroxyl functions of the following general formula (1): | 07-25-2013 |
| 20130266854 | ELECTRODE FOR Li SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME AND Li SECONDARY BATTERY - An electrode for a lithium secondary battery is provided. A metal nanofiber has a network structure. A metal thin film or a metal oxide thin film includes the metal nanofiber. According to the electrode improves a charge migration performance. | 10-10-2013 |
| 20130288114 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A positive electrode for a rechargeable lithium battery includes a positive active material and activated carbon, wherein an average particle diameter of the activated carbon is about 100% to about 160% relative to 100% of an average particle diameter of the positive active material. | 10-31-2013 |
| 20140023918 | LEAD ALKALINE BATTERY - A rechargeable battery is provided such that the positive electrode comprises lead dioxide, the negative electrode comprises a metal selected from the group consisting of iron, zinc, cadmium, lanthanum/nickel alloys and titanium/zirconium alloys, and the electrolyte is an aqueous alkali-metal acetate. Upon discharge, the lead dioxide is reduced to lead oxide, and the electrolyte remains unchanged. The reactions are reversed when the battery is charged. | 01-23-2014 |
| 20140065476 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is an electrolyte for a rechargeable lithium battery including boron containing compounds and a rechargeable lithium battery including the same. | 03-06-2014 |
| 20140141325 | RECHARGEABLE LITHIUM BATTERY AND NEGATIVE ELECTRODE FOR SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode including a composite positive active material; a negative electrode including a carbon-based negative active material; an electrolyte including an additive, and a lithium salt and an organic solvent, wherein a passivation film may be on a surface of the negative electrode of the rechargeable lithium battery. | 05-22-2014 |
| 20140220432 | ELECTROLYTE FOR A NICKEL-IRON BATTERY - Providing is a battery comprising an iron anode, a nickel cathode, and an electrolyte comprised of sodium hydroxide, lithium hydroxide and a soluble metal sulfide. In one embodiment the concentration of sodium hydroxide in the electrolyte ranges from 6.0 M to 7.5 M, the amount of lithium hydroxide present in the electrolyte ranges from 0.5 to 2.0 M, and the amount of metal sulfide present in the electrolyte ranges from 1-2% by weight. | 08-07-2014 |
| 20140272557 | TREATED BATTERY SEPARATOR - In at least one embodiment, a rechargeable battery is provided comprising an electrolyte including an organic solvent and a solution-treated polyolefin separator. A contact angle of the electrolyte including the organic solvent upon the separator may be from 0 to 15 degrees. In one embodiment, the solution-treated polyolefin layer has an increased concentration of ionic functional groups at its surface compared to an untreated polyolefin layer. In another embodiment, the solution-treated polyolefin separator has been treated with a treatment solution having a pH of either at most 2 or at least 12. The separator may be treated with an acid or base solution for at least 30 seconds. The solution-treated separator may exhibit improved wetting with an electrolyte compared to an untreated separator. | 09-18-2014 |
| 20150056505 | MANGANESE AND IRON ELECTRODE CELL - Provided is a Mn—Fe battery comprising an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder. The electrode can be prepared by continuously coating each side of the substrate with a coating mixture comprising the iron active material and binder. | 02-26-2015 |
| 20160036094 | NICKEL-IRON BATTERY WITH HIGH CYCLE LIFE - The present invention provides one with a high cycle life Ni—Fe battery. The battery uses a particular electrolyte. The resulting characteristics of cycle life, as well as power and charge retention, are much improved over conventional Ni—Fe batteries. | 02-04-2016 |
| 20160036095 | NICKEL-IRON BATTERY WITH HIGH POWER - The present invention provides one with a Ni—Fe battery exhibiting enhanced power characteristics. The battery uses a particular electrolyte. The resulting characteristics of specific power and power density are much improved over conventional Ni—Fe batteries. | 02-04-2016 |
