Entries |
Document | Title | Date |
20080206644 | LITHIUM MANGANESE COMPOSITE OXIDE - To provide a lithium manganese composite oxide capable of improving the initial discharge capacity of secondary batteries by removing more Li ions than the conventional lithium manganese composite oxide does when used in the positive electrode used for secondary batteries. A lithium manganese composite oxide having a Li | 08-28-2008 |
20080248392 | Non-Aqueous Electrolyte Secondary Battery - A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode active material comprising a particle of a composite oxide represented by a general formula: Li | 10-09-2008 |
20080318127 | Anode material for lithium batteries - Primary and secondary Li-ion and lithium-metal based electrochemical cell systems. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte system of respective cell, or to the cell itself whether it be a liquid, a solid- or plasticized polymer electrolyte system. The gas suppression additives are primarily based on unsaturated hydrocarbons. | 12-25-2008 |
20090017382 | POSITIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME, AND METHOD FOR PRODUCING POSITIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention includes, as a positive electrode material, active material particles comprising a lithium-containing manganese oxide represented by the general formula: Li | 01-15-2009 |
20090061320 | ALKALINE BATTERY COMPRISING A CATHODE, AN ANODE, A SEPERATOR AND AN ALKALINE ELECTROLYTE - An alkaline battery includes a cathode containing manganese dioxide and carbon particles, and an anode containing zinc. Performance of the manganese dioxide cell is improved by optimizing the ratio of manganese dioxide to the composition of carbon particles in the cathode. The discharge capacity of the battery is increased as a result of using the expanded graphite which allows for a greater capacity of manganese dioxide to be incorporated into the cathode. | 03-05-2009 |
20090104532 | CATHODE ACTIVE MATERIAL, CATHODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A cathode active material has: a composite oxide particle containing at least lithium and one or a plurality of transition metals; and a coating layer provided on at least a part of the composite oxide particle. The coating layer contains at least one kind of element M differing from a main transition metal element A forming the composite oxide particle and selected from Groups 2 to 16 of the periodic table and a halogen element X. In the coating layer, the element M and the halogen element X exhibit different distribution states. | 04-23-2009 |
20090123842 | Manganese oxide composite electrodes for lithium batteries - An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula x{zLi | 05-14-2009 |
20090130559 | METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE BATTERY USING THE SAME - The present invention provides a positive electrode active material that has rate characteristics suitable for nonaqueous electrolyte batteries and particularly nonaqueous electrolyte secondary batteries, a method by which this positive electrode active material can be easily mass produced, and a high-performance nonaqueous electrolyte battery that has a positive electrode active material obtained by this method. | 05-21-2009 |
20090130560 | LITHIUM MANGANESE PHOSPHATE POSITIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - A process for the production of nano-structured olivine lithium manganese phosphate (LiMnPO.sub.4) electrode material comprising of the following steps: sol gel preparation in a chelating environment; preparation of lithium manganese phosphate/carbon composite by ball-milling; and electrode preparation. | 05-21-2009 |
20090136848 | 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. | 05-28-2009 |
20090142666 | Methods for Manufacturing Manganese Oxide Nanotubes or Nanorods by Anodic Aluminum Oxide Template - The present invention relates to methods for manufacturing manganese oxide nanotubes/nanorods using an anodic aluminum oxide (AAO) template. In the inventive methods, the manganese oxide nanotubes/nanorods are manufactured in mild conditions using only a manganese oxide precursor and an anodic aluminum oxide template without using any solvent. The nanotubes/nanorods having uniform size can be easily obtained by adsorbing the manganese oxide precursor onto the surface of the anodic aluminum oxide template by a vacuum forming process using a vacuum filtration apparatus so as to maintain the shape of nanotubes/nanorods and drying the manganese oxide nanotubes. The manganese oxide nanotubes/nanorods made according to the inventive methods can be used as economic hydrogen reservoirs, the electrode of lithium secondary batteries, or the energy reservoirs of vehicles or other transport means. | 06-04-2009 |
20090197174 | Synthesis of Electroactive Crystalline Nanometric LiMnPO4 Powder - The invention describes a method for making nano-sized crystalline LiMnPO | 08-06-2009 |
20090202910 | Alkaline Batteries - Alkaline cells are provided that include a cathode that comprises expanded graphite. In some implementations, the cathode includes less than about 4% graphite by weight. | 08-13-2009 |
20090220862 | LITHIUM SECONDARY BATTERY - To provide a lithium secondary battery excellent in the life characteristic and the power density. A lithium secondary battery, comprising: a positive electrode capable of intercalating and deintercalating lithium; and an negative electrode capable of intercalating and deintercalating lithium, wherein the positive electrode contains a manganese-containing positive electrode active material of a spinel structure and an oxide that coats the surface of this positive electrode active material, wherein the oxide contains a metallic element, wherein the metallic element forms a solid solution with the positive electrode active material, and wherein the atomic concentration of the metallic element is approximately 0 at depths of from 50 to 100 nm from an external surface of the negative electrode. | 09-03-2009 |
20090239149 | LITHIUM-MANGANESE-TIN OXIDE CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY CELL USING THE SAME - A cathode thin film for a lithium secondary cell, which uses a cathode active material substituting Sn for Mn in lithium manganese oxide, has a high discharge capacity and an improved cycle property. | 09-24-2009 |
20090253040 | ALKALINE DRY BATTERY AND METHOD FOR PRODUCING THE SAME - An alkaline dry battery of this invention includes: a cylindrical battery case with a bottom; a cylindrical positive electrode having a hollow, being in contact with an inner face of the battery case, and containing a manganese dioxide powder and a graphite powder; a negative electrode disposed in the hollow of the positive electrode; a separator interposed between the positive electrode and the negative electrode; and an alkaline electrolyte. The positive electrode has cracks therein, and the cracks are substantially arc-shaped in a cross-section perpendicular to the axial direction of the positive electrode and extend in the axial direction of the positive electrode. The positive electrode has a manganese dioxide density of 2.15 to 2.30 g/cm | 10-08-2009 |
20090258297 | Battery - Primary alkaline batteries include cathodes containing manganese dioxide and anodes including zinc. The weight ratio of the manganese dioxide to zinc is relatively low because the manganese dioxide has a relatively high oxygen content. | 10-15-2009 |
20090263720 | AA ALKALINE BATTERY AND AAA ALKALINE BATTERY - An AA alkaline battery includes a positive electrode containing larger than or equal to 9.30 g of manganese dioxide. The cumulative pore volume of pores having diameters from 0.97 μm to 10.2 μm, both inclusive, is in the range from 0.0035 ml/g to 0.0070 ml/g, both inclusive, in measurement of pore size distribution in the positive electrode performed by mercury intrusion porosimetry. | 10-22-2009 |
20090291367 | Lithium secondary battery and method of manufacturing same - A lithium secondary battery includes a positive electrode made from a positive electrode active material and a semiconductor substrate that is directly laminated on the positive electrode. A charge carrier formed in the positive electrode active material when the lithium secondary battery is charged and a carrier of the semiconductor substrate are the same, and the semiconductor substrate is used as a collector. | 11-26-2009 |
20090305137 | Alkaline Batteries - Alkaline batteries are provided, including an anode, a cathode, and a separator disposed between the anode and cathode. The cathode porosity is selected to optimize performance characteristics of the battery. In one aspect, an alkaline cell is provided that includes (a) an anode, (b) a cathode, comprising a cathode active material, wherein the cathode has a porosity of from about 25% to about 30%, and (c) a separator disposed between the cathode and the anode. | 12-10-2009 |
20100015527 | Electromotive device - Adequacy of a charge/discharge cycle of a secondary battery as an electromotive apparatus is realized. | 01-21-2010 |
20100062337 | 3V Class Spinel Complex Oxides as Cathode Active Materials for Lithium Secondary Batteries, Method for Preparing the Same by Carbonate Coprecipitation, and Lithium Secondary Batteries Using the Same - Disclosed herein is a 3V class spinel oxide with improved high-rate characteristics which has the composition Li | 03-11-2010 |
20100081056 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL USED FOR THE BATTERY, AND MANUFACTURING METHOD OF THE POSITIVE ELECTRODE ACTIVE MATERIAL - A positive electrode active material includes a manganese oxide containing lithium and at least one substance selected from the group consisting of sodium, potassium, and rubidium. The manganese oxide has a strongest peak in the range of 2θ=42.0° to 46.0° and a second strongest peak in the range of 2θ=64.0° to 66.0°, as determined by X-ray powder diffraction analysis (Cukα) of the manganese oxide. | 04-01-2010 |
20100099028 | ALKALINE BATTERY - The opening portion of a battery case is sealed with a sealing plate using a gasket. The potential of electrolytic manganese dioxide in a positive electrode active material is in the range from 275 to 320 mV. The volume of a closed space formed between the gasket and positive and negative electrodes in the battery case is in the range from 2.0 to 6.0% of the volume inside the battery formed by the battery case and the sealing plate. | 04-22-2010 |
20100112448 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A positive electrode active material includes a layered lithium-manganese oxide represented by the general formula Li | 05-06-2010 |
20100129715 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material is made of sodium containing oxide. The sodium containing oxide contains Na | 05-27-2010 |
20100151326 | POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY INCLUDING SAME - Disclosed is a rechargeable lithium ion battery including a positive electrode including a positive active material and a negative electrode including a negative active material. The positive active material includes a lithium-manganese-based compound core and a heat resistant polymer disposed on the lithium-manganese-based compound core. The heat resistance polymer has a glass transition temperature (T | 06-17-2010 |
20100159327 | ANODE FOR IMPROVING STORAGE PERFORMANCE AT A HIGH TEMPERATURE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are an anode for a battery comprising: (a) an anode active material, (b) TiO2, and (c) a styrene-butadiene rubber (SBR), and a lithium secondary battery comprising the same. By using titanium oxide and SBR together with an anode active material as the anode components in the present invention, increase in the anode resistivity during the high-temperature storage and reduction in the battery capacity by the resistivity are inhibited, thereby the overall performances of the battery can be improved. | 06-24-2010 |
20100173202 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF FORMING POSITIVE ELECTRODE - A positive electrode active material is formed of a lithium containing layered oxide. The lithium containing layered oxide contains either or both of Li | 07-08-2010 |
20100203389 | POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY, AND MANUFACTURE METHODS THEREFORE - The positive electrode active material of the invention has an olivine structure, and is represented by Li | 08-12-2010 |
20100209777 | RECHARGEABLE ALKALINE MANGANESE CELL WITH CATHODE CONSISTENCY COMPENSATION - In an improved rechargeable alkaline manganese cell that has a manganese dioxide cathode comprising pellets formed by pressing a cathode powder blend comprising a hygroscopic additive for increasing cumulative capacity, the sticky consistency of the pellets, which is un-desirable for continuous automated production is compensated for by the addition of up to 0.5% of a hydrophobic binder. This small amount leaves the cell performance substantially unimpaired, but provides the desired consistency for large-scale production. Further disclosed is an improved charge methodology for a rechargeable alkaline manganese cell wherein the charge current is pulsed at a voltage in excess of 1.65 V and the no-load cell voltage response is monitored at predetermined intervals. No charge current pulse is permitted to pass through the cell if the no-load voltage exceeds a threshold value. This results in increased utilization of the capacity of the cell while reducing the likelihood of damage to the cell due to overcharging. | 08-19-2010 |
20100221610 | RECHARGEABLE ALKALINE MANGANESE CELL WITH CATHODE CONSISTENCY COMPENSATION - In an improved rechargeable alkaline manganese cell that has a manganese dioxide cathode comprising pellets formed by pressing a cathode powder blend comprising a hygroscopic additive for increasing cumulative capacity, the sticky consistency of the pellets, which is un-desirable for continuous automated production is compensated for by the addition of up to 0.5% of a hydrophobic binder. This small amount leaves the cell performance substantially unimpaired, but provides the desired consistency for large-scale production. Further disclosed is an improved charge methodology for a rechargeable alkaline manganese cell wherein the charge current is pulsed at a voltage in excess of 1.65 V and the no-load cell voltage response is monitored at predetermined intervals. No charge current pulse is permitted to pass through the cell if the no-load voltage exceeds a threshold value. This results in increased utilization of the capacity of the cell while reducing the likelihood of damage to the cell due to overcharging. | 09-02-2010 |
20100233543 | NONAQUEOUS SECONDARY BATTERY - A nonaqueous secondary battery comprising a positive electrode which has a positive electrode active material layer containing Li(Li | 09-16-2010 |
20100239911 | ELECTROLYTIC MANGANESE DIOXIDE FOR LITHIUM PRIMARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM PRIMARY BATTERY USING SAME - Electrolytic manganese dioxide for lithium primary batteries has a sodium content of 0.05 to 0.2% by mass, and a pH of 5 to 7 as measured according to JIS-K-1467. Using this electrolytic manganese dioxide as a positive electrode active material for lithium primary batteries enables the batteries to be excellent in both initial discharge characteristics and long-term discharge characteristics. | 09-23-2010 |
20100239912 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material containing a lithium-containing oxide active material, a negative electrode, and a non-aqueous electrolyte. The lithium-containing oxide active material is represented by the general formula Li | 09-23-2010 |
20100266900 | SODIUM-MANGANESE MIXED METAL OXIDE, PRODUCTION METHOD THEREOF AND SODIUM SECONDARY BATTERY - Disclosed is a mixed metal oxide which is reduced in the amount of scarce metal used therein, while having excellent performance as a positive electrode active material for secondary batteries. Also disclosed are a positive electrode for sodium secondary batteries having excellent performance, and a sodium secondary battery. Specifically disclosed is a method for producing a sodium-manganese complex metal oxide which is characterized by comprising a step for calcining a material, which contains sodium carbonate (Na | 10-21-2010 |
20100304217 | ACTIVE MATERIAL, METHOD OF MANUFACTURING ACTIVE MATERIAL, AND LITHIUM-ION SECONDARY BATTERY - The present invention provides an active material which can increase the discharge capacity of a lithium-ion secondary battery as compared with the case using conventional LiMnPO | 12-02-2010 |
20100330429 | POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY - A positive electrode active material having an average from 1 μm or lager to smaller than 5 μm and containing a large number of crystal grains being composed of lithium manganate of spinel structure containing lithium and manganese as constituent elements, whose crystallite size is 500 to 1,500 nm in powder X-ray diffraction pattern, and whose value of a lattice strain (η) of 0.05×10 | 12-30-2010 |
20100330430 | LITHIUM SECONDARY BATTERY WITH HIGH ENERGY DENSITY - The present invention relates to electrodes for a lithium secondary battery with a high energy density and a secondary battery with a high energy density using the same. A negative electrode includes a material which can be alloyed with lithium alloy. A positive electrode is made of a transition metal oxide which can reversibly intercalate or deintercalate lithium. Here, the entire reversible lithium storage capacity of the positive electrode is greater than the capacity of lithium dischargeable from the positive electrode. Further, the present invention relates to electrodes for a lithium secondary battery in which metal lithium is coated on a negative electrode, a positive electrode, or both, a method of manufacturing the electrodes, and a lithium secondary battery including the electrodes. The lithium secondary battery of the present invention is excellent in safety because metal lithium does not remain after being activated and excellent in a capacity per unit weight. | 12-30-2010 |
20110003205 | POSITIVE ELECTRODE ACTIVE ELEMENT AND LITHIUM SECONDARY BATTERY USING THE SAME - A positive electrode active material comprising a large number of crystal grains composed of lithium manganate of spinel structure, wherein the large number of crystal grains contain primary particles of 3 to 20 μm in particle diameter by 70 areal % or more relative to all the crystal grains, the primary particles contain a component having a rectangular plane, and the ratio of the total area of all the rectangular planes to the total surface area of the primary particles is 0.5 to 5%. | 01-06-2011 |
20110003206 | POSITIVE ELECTRODE ACTIVE ELEMENT AND LITHIUM SECONDARY BATTERY - A positive electrode active material having a specific surface area of 0.1 to 0.5 m | 01-06-2011 |
20110027652 | LITHIUM BATTERY - A lithium battery ( | 02-03-2011 |
20110059363 | LITHIUM MIXED METAL OXIDE - A lithium mixed metal oxide containing Li, Mn and M (M represents at least one metal element, and is free from Li or Mn), and having a peak around 1.5 Å (peak A), a peak around 2.5 Å (peak B), and the value of I | 03-10-2011 |
20110070498 | ANODE MATERIAL FOR HIGH POWER LITHIUM ION BATTERIES - A battery with a carbonaceous anode and a lithium manganese oxide spinel cathode. The carbonaceous anode is manufactured from graphite particles selected from the group consisting of: synthetic graphite particles, carbon-coated graphite particles, carbonized petroleum coke particles, carbon-coated coke particles and mixtures thereof. The lithium manganese oxide spinel cathode has a valence above 3.5. The production of the carbonaceous anode is obtained by: | 03-24-2011 |
20110117435 | HIGH-POWER BATTERY - A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power. | 05-19-2011 |
20110136011 | POSITIVE ELECTRODE ACTIVE ELEMENT AND LITHIUM SECONDARY BATTERY - A positive electrode active material containing a large number of crystal grains which contain, by 70 areal % or more, primary particles of non-octahedral shape, having particle diameters of 5 to 20 μm, and composed of lithium manganate of spinel structure containing lithium and manganese as the constituent elements. | 06-09-2011 |
20110151330 | ANODE MATERIAL FOR LITHIUM BATTERIES - Primary and secondary Li-ion and lithium-metal based electrochemical cell systems. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte system of respective cell, or to the cell itself whether it be a liquid, a solid- or plasticized polymer electrolyte system. The gas suppression additives are primarily based on unsaturated hydrocarbons. | 06-23-2011 |
20110171530 | CATHODE ACTIVE MATERIAL, AND NONAQUEOUS SECONDARY BATTERY HAVING CATHODE INCLUDING CATHODE ACTIVE MATERIAL - A cathode active material ( | 07-14-2011 |
20110183210 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material comprises V | 07-28-2011 |
20110223483 | LITHIUM MANGANATE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides lithium manganate which has a high output and is excellent in high-temperature stability. The present invention relates to lithium manganate particles which are produced by mixing a lithium compound, a manganese compound, a Y compound and an A compound with each other and then calcining the resulting mixture, and have a composition represented by the following chemical formula 1 and an average secondary particle diameter (D | 09-15-2011 |
20110244332 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material, a negative electrode, and a non-aqueous electrolyte. The positive electrode active material includes a lithium-containing oxide Li | 10-06-2011 |
20110318639 | Lithium manganese oxide-carbon nano composite and method for manufacturing the same - There is provided a method for manufacturing a lithium manganese oxide-carbon nano composite by mixing a lithium ion solution with a manganese ion solution, dispersing a carbon material in the solution in which the lithium ion is mixed with the manganese ion, and forming the lithium manganese oxide on a surface of the carbon material by maintaining the solution in which the carbon material is dispersed at a predetermined temperature. In addition, there is provided the lithium manganese oxide-carbon nano composite formed by coating the carbon material with the lithium manganese oxide at a thickness of several nm. There is provided a manufacturing apparatus capable of coating the carbon material with the lithium manganese oxide at a thickness of several nm. | 12-29-2011 |
20120009477 | Anode material of rapidly chargeable lithium battery and manufacturing method thereof - An anode material of rapidly chargeable lithium battery and a manufacturing method thereof are provided. The anode material includes a carbon core and a modification layer. The modification layer is formed on a surface of the carbon core by sol-gel method. This modification layer is a composite lithium metal oxide represented by the formula Li | 01-12-2012 |
20120034527 | CATHODE ACTIVE MATERIAL AND NONAQUEOUS SECONDARY BATTERY INCLUDING CATHODE HAVING THE CATHODE ACTIVE MATERIAL - A cathode active material of the present invention for use in a nonaqueous secondary battery includes: a main crystalline phase including a lithium-containing transition metal oxide containing manganese and having a spinel structure; and a sub crystalline phase which is in a layer shape and which is contained in the main crystalline phase, the sub crystalline phase being identical in oxygen arrangement to the lithium-containing transition metal oxide and different in elementary composition from the lithium-containing transition metal oxide, the main crystalline phase being in an octahedral shape having a plurality of edges, the plurality of edges including a longest edge having a length of not greater than 300 nm. | 02-09-2012 |
20120040248 | POSITIVE ACTIVE MATERIAL AND NONAQUEOUS SECONDARY BATTERY EQUIPPED WITH POSITIVE ELECTRODE INCLUDING SAME - A positive active material according to the present invention used in a nonaqueous secondary battery, includes a lithium-containing transition metal oxide containing manganese, as a crystal structure of a main crystalline phase, and a sub oxide and tin (IV) oxide, each of which having an oxygen arrangement identical to that of the lithium-containing transition metal oxide however has a different element composition, the sub oxide and tin (IV) oxide being included in a state in which presence of the sub oxide and tin (IV) oxide is confirmable by diffractometry. | 02-16-2012 |
20120064411 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material, a method of preparing the same, and a lithium secondary battery including the positive active material. | 03-15-2012 |
20120077088 | METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY BY USING THE SAME - A method for manufacturing a positive electrode active material for a nonaqueous electrolyte secondary battery including the steps of mixing a lithium source and a tetravalent manganese source and reacting the lithium source and the manganese source at a temperature lower than 600° C. while tetravalent manganese is reduced, so as to produce a lithium manganese compound oxide, wherein the positive electrode active material is formed from the lithium manganese compound oxide where the lithium manganese compound oxide is represented by a general formula Li | 03-29-2012 |
20120082897 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - The nonaqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; a negative electrode; and a nonaqueous electrolyte. The positive-electrode active material contains a lithium-containing oxide obtained by ion-exchanging part of sodium in a cobalt-containing oxide containing lithium, sodium, and titanium with lithium. | 04-05-2012 |
20120171571 | NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SAME - A negative electrode material for a non-aqueous electrolyte secondary battery, which comprises a negative electrode active material capable of absorbing and releasing a lithium ion and at least one salt selected from the group consisting of a carboxylic acid salt of an alkali metal, a carboxylic acid salt of an alkali earth metal, a sulfuric acid salt of an alkali metal, a sulfuric acid salt of an alkali earth metal, a boric acid salt of an alkali metal, a boric acid salt of an alkali earth metal, a phosphoric acid salt of an alkali metal and a phosphoric acid salt of an alkali earth metal. | 07-05-2012 |
20120177994 | CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY INCLUDING CATHODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL - A cathode active material including: a lithium manganese oxide of which primary particles has a diameter of 1 μm or more and which has a spinel structure in which an X-ray diffraction (XRD) peak intensity ratio of I(111)/I(311) is 1.0 or more; and a boron element disposed at least one position selected from the group consisting of inside the primary particles and on surfaces of the primary particles. | 07-12-2012 |
20120214068 | GRAPHENE HYBRID MATERIALS, APPARATUSES, SYSTEMS AND METHODS - Graphene based materials are provided in connection with various devices and methods of manufacturing. As consistent with one or more embodiments, an apparatus includes a graphene sheet and a single-crystal structure grown on the graphene sheet, with the graphene sheet and single-crystalline structure functioning as an electrode terminal. In various embodiments, the single-crystalline structure is grown on a graphene sheet, such as by using precursor particles to form nanoparticles at the distributed locations, and diffusing and recrystallizing the nanoparticles to form the single-crystal structure. | 08-23-2012 |
20120225355 | Crystalline Mesoporous Titanium Dioxide And The Use Thereof In Electrochemical Devices - The present invention relates to the preparation of a mesoporous substantially pure anatase titanium oxide (meso-TiO | 09-06-2012 |
20120251884 | ELECTROCHEMICAL CELLS COMPRISING ION EXCHANGERS - The present invention relates to electrochemical cells comprising
| 10-04-2012 |
20120282526 | PRODUCTION PROCESS FOR COMPOSITE OXIDE, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - A composite oxide, whose major component is a lithium-manganese-system oxide including Li and tetravalent Mn at least and having a crystal structure that belongs to a layered rock-salt structure, is produced via the following:
| 11-08-2012 |
20120288767 | METHOD FOR PREPARING LITHIUM MANGANESE OXIDE POSITIVE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ACTIVE MATERIAL PREPARED THEREBY, AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME - A method for preparing a lithium manganese oxide positive active material for a lithium ion secondary battery, which has spherical spinel-type lithium manganese oxide particles having two or more different types of sizes, the method including uniformly mixing manganese oxide having two or more different types of sizes with a lithium containing compound, and heat treating the resultant mixture to obtain lithium manganese oxide. | 11-15-2012 |
20120315544 | PRODUCTION PROCESS FOR COMPOSITE OXIDE, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - A composite oxide is produced via the following:
| 12-13-2012 |
20120328949 | LITHIUM ION SECONDARY BATTERY AND PRODUCTION METHOD OF SAME - Provided is a lithium ion secondary battery having a positive electrode active material containing Mn and exhibiting improved charge/discharge cycle characteristics. A secondary battery | 12-27-2012 |
20130004850 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING THE SAME, LITHIUM BATTERY INCLUDING NEGATIVE ELECTRODE AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL - A negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have bimodal size distribution, and a method of preparing the negative active material. The invention also includes a negative electrode including the negative active material and a lithium battery including the negative electrode. | 01-03-2013 |
20130011741 | NON-AQEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material containing a lithium-containing oxide active material, a negative electrode, and a non-aqueous electrolyte. The lithium-containing oxide active material is represented by the general formula Li | 01-10-2013 |
20130078521 | COMPOSITIONS AND METHODS FOR MANUFACTURING A CATHODE FOR A SECONDARY BATTERY - Disclosed are compositions and methods for producing a cathode for a secondary battery, where a fluorophosphate of the formula Li | 03-28-2013 |
20130136993 | 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 may include a solid solution represented by Chemical Formula 1. | 05-30-2013 |
20130149610 | SURFACE-TREATED ELECTRODE ACTIVE MATERIAL, METHOD OF SURFACE TREATING ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND LITHIUM SECONDARY BATTERY - A surface-treated electrode active material, a method of surface treating an electrode active material, an electrode, and a lithium secondary battery. The surface-treated electrode active material includes a surface metal oxide layer having higher degree of reduction of a metal than that of a bulk metal oxide layer. The method includes: forming a mixture by adding an untreated electrode active material comprising a metal oxide, and at least one of a basic material and a reducing material to a solvent; and stirring the mixture. | 06-13-2013 |
20130171525 | PRODUCTION PROCESS FOR COMPOSITE OXIDE, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY - A production process according to the present invention is a novel production process for composite oxide, production process whose a major product is a lithium-manganese-based oxide that includes at least the following: a lithium (Li) element; and a tetravalent manganese (Mn) element, and lithium-manganese-based oxide whose crystal structure belongs to a layered rock-salt structure;
| 07-04-2013 |
20130183587 | LITHIUM MANGANATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 μm and an average particle diameter (D | 07-18-2013 |
20130209886 | CATHODE ACTIVE MATERIAL, CATHODE AND NON-AQUEOUS SECONDARY BATTERY - A cathode active material having a composition represented by the following formula (1) | 08-15-2013 |
20130236790 | ELECTRODE ASSEMBLY AND LITHIUM RECHARGEABLE BATTERY COMPRISING THE SAME - In one aspect, an electrode assembly comprising a positive electrode, a negative electrode and a separator, wherein the positive electrode further comprises a first positive electrode active material layer, and a second positive electrode active material layer formed on one surface of the first positive electrode active material layer, the first positive electrode active material layer further comprises a first positive electrode active material containing manganese (Mn), and the second positive electrode active material layer further comprises a second positive electrode active material containing cobalt (Co) and a lithium battery comprising the same are provided. | 09-12-2013 |
20130273430 | SYNTHESIS OF SUBMICROMETER TO MICROMETER-SIZED CATHODE MATERIALS - A method of producing submicrometer- to micrometer-sized spherical particles, the method comprising dissolving a lithium salt and a metal salt in water or alcohol forming a precursor solution, spraying the precursor solution to form fine aerosolized droplets, flowing the aerosolized droplets into a pyro lysis flame producing submicrometer- to micrometer-sized spherical particles. The submicrometer- to micrometer-sized spherical lithium-metal oxide powders produced are cathode materials for Li-ion batteries. | 10-17-2013 |
20130280611 | ELECTRODE SEPARATOR - A nanostructured separator for a battery or electrochemical cell can be a nanostructured separator. | 10-24-2013 |
20130337333 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, METHOD OF PRODUCING THE SAME, ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY - Provided is a positive electrode active material for lithium ion batteries, which is capable of realizing stability and safety at a high voltage, a high energy density, high load characteristics, and long-term cycle characteristics by controlling a crystal shape of LiMnPO | 12-19-2013 |
20140004425 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, METHOD OF PRODUCING THE SAME, ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY | 01-02-2014 |
20140087264 | 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 spinel type lithium 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 |
20140099552 | NANOCOMPOSITE CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME - The present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery including same. More particularly, the present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery including: a core including LiMn | 04-10-2014 |
20140134493 | MANGANESE OXIDE NANOPARTICLES, METHODS AND APPLICATIONS - Manganese oxide nanoparticles having a chemical composition that includes Mn | 05-15-2014 |
20140162126 | CATHODE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERIES INCLUDING THE SAME - The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same, and provides a cathode active material including Li | 06-12-2014 |
20140162127 | CATHODE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERIES INCLUDING THE SAME - The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same, and provides a cathode active material including: a lithium manganese-excess layered structure composite oxide represented by Formula Li[Li | 06-12-2014 |
20140162128 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery is disclosed. The positive active material includes a lithium manganese oxide-based solid solution having a specific surface area of about 3 m2/g to about 12 m2/g and a crystallite diameter of about 40 nm to about 120 nm. In addition, a positive electrode for rechargeable lithium battery and rechargeable lithium battery including a positive active material is also disclosed. | 06-12-2014 |
20140186711 | ALKALINE SECONDARY BATTERY - In an alkaline secondary battery including a gelled negative electrode containing zinc alloy powder, an aspect ratio of a particle of the zinc alloy powder is within a range of 2.0-2.4, and the zinc alloy contains 150-350 ppm of bismuth, and 600-1500 ppm of indium. | 07-03-2014 |
20140242466 | BATTERY - According to one embodiment, there is provided a battery including a positive electrode, and a negative electrode. The positive electrode contains a lithium-cobalt composite oxide and a lithium-manganese composite oxide. The negative electrode contains a lithium titanium composite oxide. The battery satisfies the following formula (1). In addition, an open circuit voltage (OCV) of the positive electrode when the battery is discharged to 1.8 V at 0.2 C is 3.6 V (Li v.s. Li | 08-28-2014 |
20140242467 | SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - This invention provides a secondary battery that comprises a positive electrode comprising a positive electrode active material, a negative electrode comprising a negative electrode active material, and a non-aqueous electrolyte comprising a supporting salt. The positive electrode active material is a manganese phosphate compound represented by the next general formula: Na | 08-28-2014 |
20140295278 | MAGNESIUM BATTERY HAVING A CATHODE CONTAINING MANGANESE DIOXIDE NANOPARTICLES AS ACTIVE MATERIAL | 10-02-2014 |
20140295279 | HIGH CAPACITY CATHODE MATERIAL FOR A MAGNESIUM BATTERY - An electrode active material, containing α-MnO | 10-02-2014 |
20140295280 | MgMn2O4 WITH A CRYSTAL STRUCTURE ANALOGUE TO CaFe2O4, CaMn2O4, OR CaTi2O4 AS RECHARGEABLE MAGNESIUM BATTERY CATHODE - A cathode active material for a battery includes a material of the formula Mg | 10-02-2014 |
20140295281 | Lithiated Manganese Phosphate and Composite Material Comprising Same - The invention relates to a lithiated manganese phosphate and to a composite material comprising same. The lithiated manganese phosphate of the invention has formula I: Li | 10-02-2014 |
20140322608 | MODIFIED GRAPHITIC ELECTRODES FOR ELECTROCHEMICAL ENERGY STORAGE ENHANCEMENT - A method of graphitic petal synthesis includes a step of providing a flexible carbon substrate, such as that including carbon microfibers. The method further includes the step of subjecting flexible carbon substrate to microwave plasma enhanced chemical vapor deposition. The resulting synthesized graphitic petal structure may optionally be coated with PANI. | 10-30-2014 |
20140356720 | SUBSTITUTED LITHIUM-MANGANESE METAL PHOSPHATE - A substituted lithium-manganese metal phosphate of formula | 12-04-2014 |
20150017538 | CATHODE ACTIVE MATERIAL, CATHODE, AND NONAQUEOUS SECONDARY BATTERY - Provided is a cathode active material which is superior in safety and cost and makes it possible to provide a nonaqueous secondary battery having a long life. The cathode active material has a composition represented by the following formula (1): | 01-15-2015 |
20150030926 | ELECTROLYTIC MANGANESE DIOXIDE, METHOD FOR PRODUCING SAME, AND USE OF SAME - The object of the present invention is to provide electrolytic manganese dioxide excellent in the middle rate discharge characteristic as compared with conventional electrolytic manganese dioxide, and a method for its production and its application. | 01-29-2015 |
20150030927 | POLYCRYSTALLINE LITHIUM MANGANESE OXIDE PARTICLES, PREPARATION METHOD THEREOF, AND CATHODE ACTIVE MATERIAL INCLUDING THE SAME - Provided are polycrystalline lithium manganese oxide particles represented by Chemical Formula 1 and a method of preparing the same: | 01-29-2015 |
20150030928 | CATHODE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME - Provided are a cathode active material including polycrystalline lithium manganese oxide and a boron-containing coating layer on a surface of the polycrystalline lithium manganese oxide, and a method preparing the same. | 01-29-2015 |
20150037677 | POSITIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to positive electrode active substance particles for non-aqueous electrolyte secondary batteries, comprising an oxide having a spinel structure and comprising at least Li and Mn as main components and an oxide comprising at least Li and Zr, in which the oxide comprising at least Li and Zr forms a mixed phase comprising two or more phases, and a content of the oxide comprising at least Li and Zr in the positive electrode active substance particles is 0.1 to 4% by weight. The present invention provides positive electrode active substance particles for non-aqueous electrolyte secondary batteries which are excellent in high-temperature characteristics and a process for producing the positive electrode active substance particles, and a non-aqueous electrolyte secondary battery. | 02-05-2015 |
20150037678 | CATHODE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME - Provided are a cathode active material including polycrystalline lithium manganese oxide and a sodium-containing coating layer on a surface of the polycrystalline lithium manganese oxide, and a method preparing the same. | 02-05-2015 |
20150072239 | POSITIVE ELECTRODE ACTIVE MATERIAL, MANUFACTURING METHOD OF THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY CELL - A positive electrode active material includes a conductive matrix and a lithium metal compound of a polyanion structure provided on the surface of the conductive matrix. The lithium metal compound is expressed as Li | 03-12-2015 |
20150099178 | LITHIUM MANGANESE COMPOSITE OXIDE, SECONDARY BATTERY, AND ELECTRICAL DEVICE - The volume density or weight density of lithium ions that can be received and released in and from a positive electrode active material is increased to achieve high capacity and high energy density of a secondary battery. In a lithium manganese composite oxide, each particle includes a first region including a crystal with a layered rock-salt crystal structure and a second region including a crystal with a spinel crystal structure. The second region is in contact with the outside of the first region. The lithium manganese composite oxide has high structural stability and high capacity. | 04-09-2015 |
20150099179 | LITHIUM MANGANESE COMPOSITE OXIDE, SECONDARY BATTERY, ELECTRONIC DEVICE, AND METHOD FOR FORMING LAYER - To increase the volume density or weight density of lithium ions that can be received and released in and from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A lithium manganese composite oxide represented by Li | 04-09-2015 |
20150118565 | LITHIUM BATTERY CATHODE - A novel lithium battery cathode, a lithium ion battery using the same and processes and preparation thereof are disclosed. The battery cathode is formed by force spinning. Fiber spinning allows for the formation of core-shell materials using material chemistries that would be incompatible with prior spinning techniques. A fiber spinning apparatus for forming a coated fiber and a method of forming a coated fiber are also disclosed. | 04-30-2015 |
20150357627 | POLYCRYSTALLINE LITHIUM MANGANESE OXIDE PARTICLES, PREPARATION METHOD THEREOF, AND CATHODE ACTIVE MATERIAL INCLUDING THE SAME - Provided are polycrystalline lithium manganese oxide particles represented by Chemical Formula 1 and a method of preparing the same: | 12-10-2015 |
20160013470 | Doped Sodium Manganese Oxide Cathode Material for Sodium Ion Batteries | 01-14-2016 |
20160013474 | Porous Lithium Mangaense Phosphate-Carbon Composite Material, Preparation Method and Application Thereof | 01-14-2016 |
20160028077 | CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a cathode active material including lithium transition metal oxide particles and composite particles, wherein the composite particles include any one selected from the group consisting of yttria stabilized zirconia (YSZ), gadolinia-doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), lanthanum strontium manganite (LSM), and nickel (Ni)—YSZ, or a mixture of two or more thereof, and the cathode active material includes the composite particles having a single-phase peak when analyzed by X-ray diffraction (XRD). | 01-28-2016 |
20160056450 | POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE BATTERY - According to one embodiment, there is provided a positive electrode including a positive electrode active material-including layer including a positive electrode active material, which includes a lithium-manganese oxide LiMn | 02-25-2016 |
20160087265 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND RECHARGEABLE VACUUM CLEANER - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. At least one of the positive electrode and the negative electrode comprises a current collector made of aluminum or an aluminum alloy and an active material layer laminated on the current collector. The active material layer contains first active material particles having an average particle diameter of 1 μm or less and a lithium diffusion coefficient of 1×10 | 03-24-2016 |
20160093882 | Positive Electrode Active Material for Lithium Secondary Battery - Provided is a lithium secondary battery using a positive electrode active material which operates at a charging voltage in a region exceeding 4.3 V, and a novel positive electrode active material for a lithium secondary battery which can further enhance the output characteristics. Proposed is a positive electrode active material for a lithium secondary battery including positive electrode active material particles obtained by equipping the entire surface or a part of the surface of lithium manganese-containing composite oxide particles (also referred to as the “core particles”) operating at a charging voltage in a region exceeding 4.3 V in a metal Li reference potential with a layer A containing at least Ti, Al, Zr, or two or more kinds of these, and C. | 03-31-2016 |
20160111716 | Positive Electrode Active Material for Lithium Secondary Battery - Provided is a novel positive electrode active material which can effectively suppress the quantity of gas generated by the reaction with an electrolytic solution. Proposed is a positive electrode active material for a lithium secondary battery including positive electrode active material particles obtained by equipping the entire surface or a part of a surface of lithium manganese-containing composite oxide particles (also referred to as the “core particles”) operating at a charging voltage in a region exceeding 4.3 V in a metal Li reference potential with a layer A containing at least titanium (Ti), aluminum (Al), zirconium (Zr), or two or more kinds of these. | 04-21-2016 |
20160118658 | PARTICLE, ELECTRODE, POWER STORAGE DEVICE, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING ELECTRODE - To increase capacity per weight of a power storage device, a particle includes a first region, a second region in contact with at least part of a surface of the first region and located on the outside of the first region, and a third region in contact with at least part of a surface of the second region and located on the outside of the second region. The first and the second regions contain lithium and oxygen. At least one of the first region and the second region contains manganese. At least one of the first and the second regions contains an element M. The first region contains a first crystal having a layered rock-salt structure. The second region contains a second crystal having a layered rock-salt structure. An orientation of the first crystal is different from an orientation of the second crystal. | 04-28-2016 |
20160126547 | LITHIUM MANGANATE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to lithium manganate particles for non-aqueous electrolyte secondary batteries, having a spinel structure, an average primary particle diameter of 0.4 to 1.8 μm and an average secondary particle diameter (D50) of 8 to 20 μm, a ratio of the average secondary particle diameter (D50) to the average primary particle diameter (D50/average primary particle diameter) being in the range of 10 to 30, and pore diameters of pores in the lithium manganate particles as measured by a mercury intrusion porosimetry method being in the range of 100 to 500 nm, and a process for producing the lithium manganate particles, and a non-aqueous electrolyte secondary battery. The lithium manganate particles according to the present invention are excellent in high-temperature storage characteristics. | 05-05-2016 |
20160133926 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Provided are a negative electrode for a rechargeable lithium battery including a negative active material and a conductive material wherein the negative active material includes graphite and an inorganic particle positioned on the surface of the graphite and having no reactivity with lithium, and the conductive material is included in an amount of greater than or equal to about 0.1 wt % and less than about 2 wt % based on the total amount of the negative active material and the conductive material, and a rechargeable lithium battery including the same. | 05-12-2016 |
20160141619 | LITHIUM MANGANESE-BASED OXIDE AND CATHODE ACTIVE MATERIAL INCLUDING THE SAME - Disclosed is a lithium manganese (Mn)-based oxide including Mn as an essential transition metal and having a layered crystal structure, in which the amount of Mn is greater than that of other transition metal(s), the lithium manganese-based oxide exhibits flat level section characteristics in which release of oxygen occurs together with lithium deintercalation during first charging in a high voltage range of 4.4 V or higher, and at least one of a transition metal layer including Mn and an oxygen layer is substituted or doped with a pillar element. | 05-19-2016 |
20160156036 | POSITIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 06-02-2016 |
20160181609 | LITHIUM-COBALT BASED COMPLEX OXIDE HAVING SUPERIOR LIFESPAN CHARACTERISTICS AND CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERIES INCLUDING THE SAME | 06-23-2016 |
20160190578 | Storage battery - An object is to provide a storage battery using materials for an electrode active material without waste. Another object is to provide an electrode active material with an appropriate compounding ratio. A lithium-ion storage battery includes a positive electrode, a negative electrode, and an electrolytic solution therebetween. The positive electrode includes a positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer includes a first positive electrode active material and a second positive electrode active material. The charge capacity of the first positive electrode active material is higher than the discharge capacity thereof. The discharge capacity of the second positive electrode active material is higher than the charge capacity thereof. The first positive electrode active material may be a lithium-manganese composite oxide, and the second positive electrode active material may be a lithium-manganese oxide with a spinel crystal structure. | 06-30-2016 |
20160254541 | ELECTRODE ACTIVE MATERIAL FOR MAGNESIUM BATTERY | 09-01-2016 |
20170237061 | METHOD FOR MANUFACTURING ELECTRODE, ELECTRODE MANUFACTURED ACCORDING TO THE METHOD, SUPERCAPACITOR INCLUDING THE ELECTRODE, AND RECHARGABLE LITHIUM BATTERY INCLUDING THE ELECTRODE | 08-17-2017 |
20190148727 | Lithium-cobalt Based Complex Oxide Having Superior Lifespan Characteristics And Cathode Active Material For Secondary Batteries Including The Same | 05-16-2019 |