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| Number | Title | Issue Date |
| 7384708 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery of the present invention includes a non-aqueous electrolyte containing a lithium salt, a cyclic sultone derivative, and an acid anhydride, wherein the non-aqueous electrolyte contains the cyclic sultone derivative in an amount of 0.... | 06/10/2008 |
| 7358010 | Fluorinated carbon for metal/fluorinated carbon batteries A novel cathode composition for use in a metal/fluorinated carbon battery is produced by mixing fluorinated carbons made from anisotropic and isotropic carbon, where the anisotropic carbon is carbon fiber and the isotropic carbon is graphite. This cathode compositio... | 04/15/2008 |
| 7312001 | Non-aqueous electrolytic solution and lithium battery employing the same A non-aqueous electrolytic solution and a lithium battery employing the same are provided. The non-aqueous electrolyte solution that contains a substituted or unsubstituted acetate can effectively stabilize lithium metal and improve the conductivity of lithium ions.... | 12/25/2007 |
| 7300723 | Heat resistant lithium cell The present invention provides a cell that does not impair heat resistant safety and electrochemical characteristics such as a discharge characteristic, and enhances long-period reliability. In the cell of the present invention, a nonaqueous solvent has, among compo... | 11/27/2007 |
| 7294436 | Nonaqueous electrolytic solution and lithium secondary batteries In order to manufacture a lithium secondary battery having excellent performances in safety under overcharge condition, cycle property, electric capacity, and storage endurance, 0.1 wt. % to 10 wt. % of a tert-alkylbenzene compound is favorably incorporated into a n... | 11/13/2007 |
| 7285356 | Non-aqueous electrochemical cells Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes a cathode having less than about 2,000 ppm of water, an anode, and an electrolyte having a first lithium salt and LiPF6. ... | 10/23/2007 |
| 7250233 | Lithium-sulfur batteries A lithium-sulfur battery having a positive electrode including a positive active material including an active sulfur, where the positive electrode comprises an electron-conductive path and an ion-conductive path, and includes active pores of the average size of up t... | 07/31/2007 |
| 7226704 | Electrolytes for lithium ion batteries Electrolytes containing lithium-bis(oxalato)borate, a cyclic carbonate, one or more compounds selected from acrylic carbonates, aliphatic esters, alicyclic ethers and aliphatic, difunctional ethers, one or more compounds selected from lactones, dinitriles, compounds... | 06/05/2007 |
| 7112383 | Binder for electrodes The present invention is directed to a binder for electrode materials which comprises tetrafluoroethylene polymer fine particles having an average particle size of not more than about 0.20 μm and having a standard specific gravity of not more than about 2.20, where... | 09/26/2006 |
| 7105254 | Polymer electrolyte A polymer electrolyte providing lithium secondary batteries in which growth of lithium dendrites is suppressed and batteries exhibiting excellent discharge characteristics in low to high temperature, comprising a polymer gel holding a nonaqueous solvent containing a... | 09/12/2006 |
| 7087349 | Organic electrolytic solution and lithium secondary battery employing the same An organic electrolytic solution and a lithium secondary battery employing the same, wherein the organic electrolytic solution for a lithium secondary battery includes a polymer adsorbent having an ethylene oxide chain capable of being adsorbed into a lithium metal,... | 08/08/2006 |
| 7033707 | Organic cyclic carbonate additives for nonaqueous electrolyte in alkali metal electrochemical cells A lithium electrochemical cell of either a primary or a secondary chemistry activated with an electrolyte having a cyclic carbonate of a ring size equal to or larger than a six-member ring is described. The cyclic carbonate helps to make the anode passivation film i... | 04/25/2006 |
| 7026073 | Non-aqueous electrolyte secondary battery In an electrolyte of a non-aqueous electrolyte secondary battery using a cyclic carboxylic-acid ester exerting high conductivity under a low temperature condition, for suppressing reductive decomposition of the cyclic carboxylic acid ester, a cyclic carbonic acid es... | 04/11/2006 |
| 7014951 | Carbonaceous material for hydrogen storage, and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein A hydrogen-stored carbonaceous material is provided. The present invention relates to a hydrogen-stored carbonaceous material obtained by storing hydrogen in a carbonaceous material heated at more than about 230° C. under pressure in a reducing atmosphere, a batter... | 03/21/2006 |
| 7012030 | Very low dielectric constant plasma-enhanced CVD films The present invention provides a method for depositing nano-porous low dielectric constant films by reacting an oxidizable silicon containing compound or mixture comprising an oxidizable silicon component and an oxidizable non-silicon component having thermally liab... | 03/14/2006 |
| 6844115 | Highly conductive and stable nonaqueous electrolyte for lithium electrochemical cells The present invention is directed to at least partially replacing PC and/or DME with a linear carbonate, preferably dimethyl carbonate, and a linear mono-ether, the most preferred being diisopropyl ether, in electrolytes useful for activating alkali metal-containing... | 01/18/2005 |
| 6841300 | Electrolyte for a nonaqueous battery An electrolyte containing calcium bistrifluoromethanesulfonimide [Ca((CF3SO2)2N)2] for a nonaqueous battery. The calcium bistrifluoromethanesulfonimide is soluble in an organic solvent and a molten salt having a melting po... | 01/11/2005 |
| 6824928 | Organic borate compounds and the nonaqueous electrolytes and lithium secondary batteries using the compounds The object of the present invention is to supply organic borates highly soluble even in a solvent of a low dielectric constant; nonaqueous electrolytes made from these organic borates and excellent in characteristics; lithium secondary batteries with improved high-t... | 11/30/2004 |
| 6783888 | Control of cell swelling by the proper choice of carbon monofluoride (CFx) cathode materials in high rate defibrillator cells The minimization or elimination of swelling in lithium cells containing CFx as part of the cathode electrode and discharged under high rate applications is described. When CFx materials are synthesized from fibrous carbonaceous materials, in co... | 08/31/2004 |
| 6696202 | Electrical appliance using lithium secondary batteries A lithium secondary battery comprising a negative electrode, a positive electrode, a separator and a non-aqueous liquid electrolyte, the non-aqueous liquid electrolyte having an electrical conductivity of 0.05 mS/cm or more and no such a flash point as sp... | 02/24/2004 |
| 6682856 | Secondary battery having a non-aqueous electrolyte A non-aqueous electrolyte secondary battery which comprises a positive electrode containing a lithium-containing oxide; a negative electrode containing a material capable of absorbing and releasing lithium; and a non-aqueous electrolyte containing a non-a... | 01/27/2004 |
| 6680149 | Solid polymer electrolytes using polyether poly (N-substituted urethane) The present invention relates to a solid polymer electrolyte of polyether poly(N-substituted urethane) comprising an electrolytic compound and a polymer matrix, wherein the polymer matrix is a copolymer comprising polyether unit and polyurethane unit and ... | 01/20/2004 |
| 6645670 | Efficient cell stack for cells with double current collectors sandwich cathodes The present invention improves the performance of lithium electrochemical cells by providing a new electrode assembly based on a sandwich cathode design, but termed a double screen sandwich cathode electrode design. In particular, the present invention us... | 11/11/2003 |
| 6645674 | Ether derivative additive in nonaqueous electrolyte of a lithium secondary battery The present invention provides a lithium secondary battery comprising a cathode electrode containing a lithium complex oxide; an anode electrode containing metal lithium or its alloy, or carbon material; and a nonaqueous organic electrolyte containing a n... | 11/11/2003 |
| 6632573 | Electrolytes with strong oxidizing additives for lithium/sulfur batteries Disclosed are oxidizer-treated lithium electrodes, battery cells containing such oxidizer-treated lithium electrodes, battery cell electrolytes containing oxidizing additives, and methods of treating lithium electrodes with oxidizing agents and battery ce... | 10/14/2003 |
| 6573002 | Purification of battery electrolytes by means of chemical adsorption The present invention relates to the removal of protic impurities from battery electrolytes which are suitable for lithium cells by chemical adsorption.... | 06/03/2003 |
| 6566015 | Non-aqueous electrolytic salt and non-aqueous electrolytic secondary battery in which it is used The prevent invention provides a non-aqueous electrolyte for batteries comprising the dissolving of an electrolytic salt in an organic solvent, wherein said organic solvent contains at least one type each of cyclic carbonate compound, alkyl mono-carbonate... | 05/20/2003 |
| 6482549 | Rechargeable lithium battery A rechargeable lithium battery includes a negative electrode containing lithium as an active material, a positive electrode containing a lithium-manganese complex oxide as an active material and a nonaqueous liquid electrolyte containing a solvent, a solu... | 11/19/2002 |
| 6444360 | Electrochemical cell activated with a nonaqueous electrolyte having a sulfate additive An alkali metal, solid cathode, non-aqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at ... | 09/03/2002 |
| 6403256 | Alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfite additive An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l... | 06/11/2002 |
| 6350542 | Sulfite additives for nonaqueous electrolyte rechargeable cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one sulfite additive to an ele... | 02/26/2002 |
| 6280882 | Electrolytic composition with polymer base for electrochemical generator The invention concerns an aprotic electrolytic composition located in the separator and in at least one composite electrode containing a powder of an active electrode material, and if necessary an electronic conduction additive of an electrochemical gener... | 08/28/2001 |
| 6265106 | Alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfate additive An alkali metal, solid cathode, non-aqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at ... | 07/24/2001 |
| 6210835 | Lithium secondary battery and liquid electrolyte for the battery A lithium secondary battery comprising a negative electrode, a positive electrode, a separator and a non-aqueous liquid electrolyte, the non-aqueous liquid electrolyte having an electrical conductivity of 0.05 mS/cm or more and no such a flash point as sp... | 04/03/2001 |
| 6180283 | Method for reducing voltage delay in an alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfate additive An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l... | 01/30/2001 |
| 6117591 | Hydrogen fluoride additive for nonaqueous electrolyte in alkali metal electrochemical cells An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of hydr... | 09/12/2000 |
| 6096447 | Phosphonate additives for nonaqueous electrolyte in alkali metal electrochemical cells An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l... | 08/01/2000 |
| 6063526 | Dicarbonate additives for nonaqueous electrolyte in alkali metal electrochemical cells An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l... | 05/16/2000 |
| 6060184 | Inorganic and organic nitrate additives for nonaqueous electrolyte in alkali metal electrochemical cells An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l... | 05/09/2000 |
| 6057058 | Organic electrolyte lithium secondary battery The invention provides a lithium secondary battery with improved withstanding overcharge and overdischarge characteristics which employs a cathode active material of lithium-containing manganese dioxide having a crystal structure of the Ramsdellite-type. ... | 05/02/2000 |
