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| Number | Title | Issue Date |
| 7678503 | Surface and bulk modified high capacity layered oxide cathodes with low irreversible capacity loss The present invention includes compositions, surface and bulk modifications, and methods of making of (1−x)Li[Li1/3Mn2/3]O2.xLi[Mn0.5-yNi0.5-yCo2y]O2 cathode materials having an O3 crysta... | 03/16/2010 |
| 7674558 | Alleviation of voltage delay in lithium-liquid depolarizer/electrolyte solvent battery cells Voltage delay in an active metal anode/liquid cathode battery cell can be significantly reduced or completely alleviated by coating the active metal anode (e.g., Li) surface with a thin layer of an inorganic compound with Li-ion conductivity using chemical treatment... | 03/09/2010 |
| 7674556 | Non-aqueous electrolyte secondary battery and method for charging the same A non-aqueous electrolyte secondary battery comprises a negative electrode including a negative electrode active material, a positive electrode including a positive electrode active material, and a non-aqueous electrolyte; the positive electrode active material is L... | 03/09/2010 |
| 7674557 | Electrode active materials for lithium secondary batteries, method for preparing the same, and lithium secondary batteries using the same An electrode active material further comprising an amphoteric compound, an alkali metal sulfide or an alkali metal oxide, and lithium secondary batteries using the electrode active material, are disclosed. The lithium secondary batteries neutralize acids generating ... | 03/09/2010 |
| 7666551 | Positive electrode active material for non-aqueous electrolyte secondary battery, production method thereof, and non-aqueous electrolyte secondary battery using the same A positive electrode active material for a non-aqueous electrolyte secondary battery of this invention includes: a lithium nickel composite oxide containing lithium, nickel, and at least one metal element other than lithium and nickel; and a layer containing lithium... | 02/23/2010 |
| 7662515 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li+). The negative electrode has a porous structure. A po... | 02/16/2010 |
| 7659034 | Lithium secondary battery Charge-discharge cycle performance is improved in a lithium secondary battery including a negative electrode containing a negative electrode active material having silicon as its main component, provided on a surface of a current collector, a positive electrode cont... | 02/09/2010 |
| 7655358 | Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: LixMnA2 (1) ... | 02/02/2010 |
| 7651818 | Lithium ion secondary battery and charging method therefor A lithium ion secondary battery having a positive electrode 3 which contains, as a positive electrode active material, a composite metal oxide containing at least one of Li, Co, Mn, and Ni as a metal component thereof; a negative electrode 2 which cont... | 01/26/2010 |
| 7648801 | Redox shuttle for overdischarge protection in rechargeable lithium-ion batteries A battery of series-connected rechargeable lithium ion cells each of which contains a negative electrode; a negative electrode current collector; a positive electrode; a positive electrode current collector; and an electrolyte comprising charge carrying medium, lith... | 01/19/2010 |
| 7648800 | Positive electrode active material for a non-aqueous electrode cell and non-aqueous electrode cell using the same The present invention enables to obtain both of a cycle characteristic and a high load characteristic. The present invention discloses a positive electrode active material containing lithium composite manganese oxide having a spinel structure for a non-aqueous elect... | 01/19/2010 |
| 7645543 | Active metal/aqueous electrochemical cells and systems Alkali (or other active) metal battery and other electrochemical cells incorporating active metal anodes together with aqueous cathode/electrolyte systems. The battery cells have a highly ionically conductive protective membrane adjacent to the alkali metal anode th... | 01/12/2010 |
| 7642014 | Positive electrode active material containing a lithium-containing composite metal oxide and nonaqueous electrolyte secondary battery A positive electrode active material and a nonaqueous electrolyte secondary battery containing a lithium-containing composite metal oxide having a composition represented by: Li1+yM1−y−zM1zPO4 where M is at least one o... | 01/05/2010 |
| 7642013 | Medical device having lithium-ion battery A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector, a first active material, and a second active material. The lithium-ion batter... | 01/05/2010 |
| 7635541 | Method for charging lithium-ion battery A method for charging an implantable medical device includes charging a lithium-ion battery provided in a medical device, the lithium-ion battery having a negative electrode with a lithium titanate active material. For at least a portion of the charging, the potenti... | 12/22/2009 |
| 7629083 | Method of preparing a lithium metal anode Provided is a method of preparing a lithium metal anodeincluding forming a current collector on a substrate that includes a release component; depositing a lithium metal on the current collector; and releasing the current collector with the deposited lithium metal f... | 12/08/2009 |
| 7629084 | Cathode material for Li-ion battery applications A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical form. The material can be synthesized in air, eliminating the need for a... | 12/08/2009 |
| 7622224 | Lithium storage cell presenting both a high electrical potential and a high lithium insertion capacity A lithium storage cell comprises at least a first electrode comprising an active material wherein Li+ cations can be inserted, a second electrode and an electrolyte. The active material of the first electrode comprises a linear condensed compound comprisi... | 11/24/2009 |
| 7618747 | Carbon-coated Li-containing powders and process for production thereof The invention provides a new route for the synthesis of carbon-coated powders having the olivine or NASICON structure, which form promising classes of active products for the manufacture of rechargeable lithium batteries. Carbon-coating of the powder particles is ne... | 11/17/2009 |
| 7615315 | Positive electrode material for lithium secondary cell and process for producing the same A positive electrode material for a lithium secondary battery for high voltage high capacity use exhibiting high cycle durability and high safety. The positive electrode material is composed of particles having a composition represented by the general formula: Li | 11/10/2009 |
| 7608365 | Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: ... | 10/27/2009 |
| 7608366 | Nonaqueous electrolytic secondary battery and method of producing anode material thereof A nonaqueous electrolyte secondary battery having a positive electrode made of a carbonaceous material, an electrolyte containing a lithium salt, and a negative electrode made of metallic lithium or a material capable of occluding and releasing lithium, wherein said... | 10/27/2009 |
| 7604899 | Positive electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery using same To provide a positive electrode active material for a non-aqueous electrolyte secondary battery, which if used as a positive electrode for a lithium ion secondary battery, the battery internal resistance can be reduced, giving a secondary battery superior in output ... | 10/20/2009 |
| 7598000 | Alkali-hydroxide modified poly-vinylidene fluoride/polyethylene oxide protective polymer blend coating for lithium metal An anode for a metal-air battery has an electrode and a metal foil interconnected with the electrode. A barrier layer surrounds the metal foil and includes a polymer blend that substantially reduces the passage of moisture therethrough while permitting the passage o... | 10/06/2009 |
| 7585592 | Positive electrode and nonaqueous electrolyte secondary battery A positive electrode for a secondary battery and a secondary battery. A mixture of at least a lithium metal oxide with a hexagonal crystal structure (belonging to the R3m space group) containing nickel (Ni) and a lithium manganese oxide with a rhombic crystal struct... | 09/08/2009 |
| 7585593 | Cathode material for Li-ion battery applications A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical form. The material can be synthesized in air, eliminating the need for a... | 09/08/2009 |
| 7582387 | Lithium-ion battery A lithium-ion battery includes a positive electrode that includes a positive current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode comprising a negative current collector, a third active ... | 09/01/2009 |
| 7560191 | Secondary battery of improved life characteristics by elimination of metal ions Disclosed herein is a lithium secondary battery having improved life characteristics by removal of metal ion impurities incorporated during an assembly process of the battery via a cation exchange process, thereby preventing electrodeposition of the metal ions on an... | 07/14/2009 |
| 7544443 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery 10 according to an embodiment of the present invention includes a positive electrode 11 having a positive electrode active material that can intercalate and deintercalate lithium, a negative electrode 12 | 06/09/2009 |
| 7534530 | Lithium anode, method of manufacturing the same and lithium battery using the lithium anode The present invention is related to a lithium anode, a method of the manufacturing the same and a battery using the anode. The lithium anode comprises a metal layer (or alloy layer) that is inert to lithium and a metal layer (or alloy layer) that is reactive with li... | 05/19/2009 |
| 7524585 | Anode and battery using it The invention provides an anode capable of inhibiting collapse of a shape of an anode active material layer and a side reaction with an electrolyte in accordance with the collapse, and inhibiting reduction in a battery capacity, and a battery using it. The anode com... | 04/28/2009 |
| 7524586 | Materials for negative electrodes of lithium ion batteries The present invention provides materials for negative electrodes of lithium rechargeable batteries. These materials include lithium alloy composites. Each lithium alloy composite has a core-shell structure with one or more lithium alloy granules as its core and a ca... | 04/28/2009 |
| 7514180 | Battery with molten salt electrolyte and protected lithium-based negative electrode material A battery comprises a negative electrode including a negative electroactive material, a positive electrode, an electrolyte located between the negative electrode and the positive electrode, and a protection layer, the protection layer separating the electrolyte and ... | 04/07/2009 |
| 7504180 | Positive electrode material for lithium secondary battery and process for producing the same There is obtained a material of a positive electrode for a secondary lithium-ion cell having high cycle durability and high safety in high-voltage and high-capacity applications, which is a particulate positive electrode active material for a secondary lithium-ion c... | 03/17/2009 |
| 7501209 | Process for producing a lithium-cobalt composite oxide for a positive electrode for a lithium secondary cell The present invention provides a positive electrode, which has a large volume capacity density, high safety, and is excellent in the coating uniformity, the charge and discharge cyclic durability and the low-temperature properties. Further, the present invent... | 03/10/2009 |
| 7494744 | Cathode material for Li-ion battery applications A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical form. The material can be synthesized in air, eliminating the need for a... | 02/24/2009 |
| 7465520 | Nickel-titanium-phosphate cathodes Cathode materials having an improved electronic conductivity allowing for faster kinetics in the electrochemical reaction, as well as higher conductivity to meet the power requirements for many consumer applications, especially at low temperatures. The cathode mater... | 12/16/2008 |
| 7462424 | Primary thermal batteries A primary reserve thermal battery includes a primarily CFx cathode, a lithium-based anode, and a solid electrolyte between the cathode and the anode. A high heat source positioned proximate the electrolyte is capable upon activation to heat the electrolyt... | 12/09/2008 |
| 7455933 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery includes a nonaqueous electrolyte and a positive electrode including an active material containing lithium composite oxide powder, the lithium composite oxide powder includes secondary particles, exhibits a peak intensity r... | 11/25/2008 |
| 7445871 | Process of preparing a surface-treated positive active material for a lithium secondary battery A process of manufacturing a positive active material for a lithium secondary battery includes adding a metal source to a doping element-containing coating liquid to surface-treat the metal source, wherein the metal source is selected from the group consisting of co... | 11/04/2008 |