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| Number | Title | Issue Date |
| 7348103 | Polyfluorinated boron cluster anions for lithium electrolytes The present invention relates to an improvement in lithium secondary batteries comprised of a negative electrode, a positive electrode, a separator, and a lithium-based electrolyte carried in an aprotic solvent and to the electrolyte compositions. The improvement re... | 03/25/2008 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7244531 | Non-aqueous electrolyte and lithium battery using the same A non-aqueous electrolyte for stabilizing the active surface of a lithium anode and a lithium battery using the non-aqueous electrolyte are provided. The non-aqueous electrolyte contains an organic solvent and a halogenated organic metal salt of formula (1) below: | 07/17/2007 |
| 7072173 | Electrolyte for electrolytic capacitor and electrolytic capacitor using the same An electrolyte for an electrolytic capacitor which is high in electrolytic conductivity, excellent in heat stability and high in withstand voltage. An electrolyte for an electrolytic capacitor including a tetrafluoroaluminate ion; and an electrolyte for an electroly... | 07/04/2006 |
| 7019494 | Methods of charging lithium sulfur cells Disclosed is a method of charging a lithium-sulfur electrochemical cell wherein the lithium-sulfur cell comprises a cathode comprising an electroactive sulfur-containing material, an anode comprising lithium, and a nonaqueous electrolyte. ... | 03/28/2006 |
| 6986966 | Battery with bifunctional electrolyte A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred compounds include alkyl sulfonic acids and alkyl phosphonic acids, and part... | 01/17/2006 |
| 6955866 | Coated lithium electrodes Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a sulfur electrode including at least one of elemental sulfur, lithium sul... | 10/18/2005 |
| 6924061 | Nonflammable non-aqueous electrolyte and non-aqueous electrolyte cells comprising the same A non-aqueous electrolyte to be used in a Li-ion battery includes a lithium salt, a cyclic carbonate, a linear carbonate and an alkyl fluorinated phosphate, of the following general formula wherein R1, R | 08/02/2005 |
| 6905799 | Nonaqueous electrolytic solution and secondary battery containing the same There are disclosed a non-aqueous electrolyte which comprises a non-aqueous organic solvent and a lithium salt, and further contains a compound represented by the following formula (I): wherein X represents —O—, â€... | 06/14/2005 |
| 6780542 | Lithium oxyhalide cell with improved safety and voltage delay characteristics The present invention is directed to providing a lithium carbonate passivation layer on lithium through exposure of the active material to gaseous carbon dioxide prior to cell assembly. This results in an electrochemical cell which possesses improved safety and volt... | 08/24/2004 |
| 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 |
| 6544691 | Batteries using molten salt electrolyte An electrolyte system suitable for a molten salt electrolyte battery is described where the electrolyte system is a molten nitrate compound, an organic compound containing dissolved lithium salts, or a 1-ethyl-3-methlyimidazolium salt with a melting tempe... | 04/08/2003 |
| 6399247 | Nickel-metal hydride secondary battery A nickel-metal hydride secondary battery comprising electrode group comprising positive electrode comprised mainly of nickel hydroxide, negative electrode comprised mainly of a hydrogen storage alloy, and separator being disposed between the positive elec... | 06/04/2002 |
| 6383682 | Yttrium-ion rechargeable battery cells A rechargeable yttrium-ion battery cell comprising a source of yttrium ions, an electrolyte providing ion mobility, and an electrode material capable of reversibly accepting and yielding yttrium ions exhibits substantially increased specific capacity due ... | 05/07/2002 |
| 6379846 | Non-aqueous electrolyte and lithium secondary battery using the same The present invention provides a non-aqueous electrolyte solution comprising a non-aqueous solvent and a lithium electrolyte, wherein the non-aqueous solvent is obtained by adding a phosphoric acid compound prepared by substituting at least one hydrogen a... | 04/30/2002 |
| 6322930 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery includes a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains boric acid ester as a solvent.... | 11/27/2001 |
| 6299653 | Hybrid electrolyte, method for manufacturing the same, and method for manufacturing electrochemical element using the same Disclosed is a hybrid electrolyte comprising a shaped porous polymer structure comprising a polymer matrix and a plurality of cells dispersed in the polymer matrix, the polymer matrix containing a crosslinked polymer segment and having a gel content in th... | 10/09/2001 |
| 6277525 | Method for producing electrolyte and method for producing secondary battery A method for producing an electrolyte comprising a salt of an organofluorosilicon compound containing silicon, fluorine and carbon, which comprises the step of reacting an organosilane compound containing at least silicon and carbon, with a fluorine compo... | 08/21/2001 |
| 6277524 | Lithium-ion-conductive solid electrolyte and solid-electrolyte lithium battery A lithium-ion-conductive solid electrolyte includes a lithium-ion-conductive substance expressed by a general formula Li2 S-GeS2 -X wherein "X" is at least one member selected from the group consisting of Ga2 S3... | 08/21/2001 |
| 6232020 | Non-flammable electrolyte compositions and lithium secondary batteries made thereof Disclosed are non-flammable electrolyte compositions of the present invention that comprise a mixed solvent comprising carbonate-, thiocarbonate-, and phosphate-based solvents and inorganic additives such as metal compounds or metal halogen compounds. A m... | 05/15/2001 |
| 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 |
| 6136469 | Multi-polyacid electrolytes for electrochemical cells and cells using same An electrolyte for an electrochemical cell is described comprising two or more polyanion-based compounds of the general formula: Mm [Xx Yy Oz ].nH2 O where M is selected from the group consisting of ammonia and... | 10/24/2000 |
| 6077496 | Positive electrode active material for nonaqueous secondary cells and a process for producing said active material The mixed powders of a lithium compound and a transition metal based compound are formed into shaped parts, which are packed to form a bed 6 on a porous plate 5 in the bottom of a reaction vessel 7 placed on a support 10 in a firing furnace 8 equipped wit... | 06/20/2000 |
| 5714279 | Non-aqueous lithium cells The high discharge rate performance of a non-aqueous lithium electrochemi cell is improved by dispersing a portion of the lithium conducting salt of the electrolyte uniformly throughout the carbon current collector of the cathode in the form of microcrys... | 02/03/1998 |
| 5660949 | Battery electrolyte additive The instant invention is an electrolyte additive for use with lead acid batteries containing antimony. The electrolyte additive consists of a mixture of synthetic oil, naphthenic oil, zinc free rust and oxidation inhibitor and an ethylene-propylene copoly... | 08/26/1997 |
| 5601948 | Gas plasma treatment of cathodes to improve cell performance A porous carbon black or manganese dioxide cathode, or a lithium, magnesi calcium, zinc, or cadmium anode, is treated under vacuum with a gas plasma. The treated electrode is suitable for inclusion in a nonaqueous electrolyte cell and improves cell perfo... | 02/11/1997 |
| 5552245 | Modified electrolyte for electrochemical cells and cells using same An electrolyte system for use in an electrochemical cell such as a battery or capacitor, and which includes an aqueous electrolyte and a modifier species. The modifier should be adapted to act as a surfactant, as well as reduce oxidation of the electrode ... | 09/03/1996 |
| 5482697 | Method of making V6 O13+x [0 A method of making non-stoichiometric vanadium oxides V6 O13+X by treatment with H2 O2.... | 01/09/1996 |
| 5348822 | Chemically and compositionally modified solid solution disordered multiphase nickel hydroxide positive electrode for alkaline rechargeable electrochemical cells A high capacity, long cycle life positive electrode for use in an alkaline rechargeable electrochemical cell comprising: a solid solution nickel hydroxide material having a multiphase structure that comprises at least one polycrystalline γ-phase includin... | 09/20/1994 |
| 5188913 | Lithium/bromine trifluoride electrochemical cell designed to be discharged after being activated and stored A lithium and bromine trifluoride electrochemical cell designed to be discharged after being activated and stored, the cell comprising an anode made of lithium or lithium alloy and a positive current collector made of carbon black, and containing at least... | 02/23/1993 |
| 4888255 | Non-aqueous electrochemical cell A non-aqueous electrochemical cell comprising an anode containing an alkali metal as an essential component of the active anode material, a cathode collector comprising a carbonaceous porous shaped body and a cathode-electrolyte consisting of an ionically... | 12/19/1989 |
| 4844997 | Electrochemical cell A primary electrochemical cell having an oxidizable active anode material, a cathode current collector, and an electrolytic solution comprising a liquid cathode material and an electrolyte solute dissolved therein. The solute consists of the reaction prod... | 07/04/1989 |
| 4784925 | Primary electrochemical cell containing molecular iodine A primary electrochemical cell having an oxidizable active anode material, a cathode current collector, and an electrolytic solution. The electrolytic solution consists essentially of liquid cathode material, an electrolyte solute for imparting conductivi... | 11/15/1988 |
| 4654280 | Nonaqueous cell employing a cathode-electrolyte solution containing a boron-containing additive A nonaqueous cell comprising an active metal anode, such as lithium, an ionically conductive cathode-electrolyte solution containing a solute dissolved in a liquid active cathode such as thionyl chloride, and wherein the cathode-electrolyte solution conta... | 03/31/1987 |
| 4629666 | Separators for electrochemical cells This invention pertains to separators for electrochemical cells. These separators are best suited for electrochemical cells which contain reactive metals such as lithium and strong oxidants. It has been discovered that a certain class of partially halogen... | 12/16/1986 |
| 4560632 | Polyvinyl-coated cathode collector for cells employing liquid cathodes A molded porous cathode collector for use in nonaqueous cells comprising particulate carbonaceous conductive material bonded with a binder such as polytetrafluoroethylene and coated with a vinyl polymer film to improve its mechanical strength and handling... | 12/24/1985 |
| 4556617 | Anhydrous primary battery There is disclosed an anhydrous primary battery. The battery comprises an anode, an inorganic liquid electrolyte and a cathode. The electrolyte comprises an electrolyte salt in a solvent consisting of oxyhalides or thiohalides. The cathode is a substantia... | 12/03/1985 |
| 4465743 | Electrochemical cells having lithium tetrachloroiodate cathodes Electrochemical cells comprising an active metallic anode, preferably lithium, a non-aqueous electrolyte, preferably thionyl chloride, and a lithium tetrachloroiodate (LiICl4) cathode.... | 08/14/1984 |
| 4444855 | Non-aqueous electrochemical cell The invention relates to the use in a non-aqueous electrochemical cell of a conductive electrolyte comprising an ionizing solute dissolved in a mixture of a selected halide of an element of Group IV to Group VI of the Periodic Table and a cosolvent. The s... | 04/24/1984 |
| 4431719 | Liquid cathode cell with cathode collector having recesses The invention relates to an electrochemical cell employing a cathode collector, an anode, a separator and an electrolyte containing a liquid active reducible cathode, and wherein recesses are provided on that surface of the cathode collector which faces t... | 02/14/1984 |