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| Number | Title | Issue Date |
| 8048560 | Alkaline battery An alkaline battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte, wherein the positive electrode includes manganese dioxide and graphite; the cumula... | 11/01/2011 |
| 7923147 | Layered lithium-nickel-based compound oxide powder and its prodution process A layered lithium-nickel-based compound oxide powder for a positive electrode material for a high density lithium secondary cell, capable of providing a lithium secondary cell having a high capacity and excellent in the rate characteristics also, is provided. | 04/12/2011 |
| 7875386 | Energy converter cell for the direct conversion of radiation and/or thermal energy into electrical energy The invention relates to an energy converter cell, consisting of a negative metal electrode, preferably a tin electrode, a positive electrode consisting of graphite and an electrolyte that is positioned between the electrodes and is in contact with the latter, the e... | 01/25/2011 |
| 7534527 | Organic lithium salt electrolytes having enhanced safety for rechargeable batteries and methods of making the same Organic lithium salts suitable for use in electrolytes for primary or secondary rechargeable batteries include de-localized bulky anions over Lewis acid fragments, typically BF3, and organic moieties. The organic moieties may be, for example, anions deriv... | 05/19/2009 |
| 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 |
| 7314687 | Gelling agent for alkaline cell and alkaline cell A gelatinizer for alkaline batteries, which comprises crosslinked polymer particles comprising, as one or more main constituting monomer units, (meth) acrylic acid and/or an alkali metal salt thereof having an average particle size of 0.1 to 2,000 μm, and a super f... | 01/01/2008 |
| 7311993 | 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... | 12/25/2007 |
| 7247405 | Nonaqueous electrolyte battery A nonaqueous electrolyte battery which comprises a positive electrode including carbon fluoride or sulfur as an active material, a negative electrode including calcium as an active material, and an electrolyte including an imide salt of calcium or a sulfonic acid sa... | 07/24/2007 |
| 7238452 | Electrolyte for lithium battery and lithium battery comprising same An electrolyte for a lithium battery includes a non-aqueous organic solvent, lithium salts, and an additive compound of formula (1): where X is selected from the group consisting of an alkyl, an alkoxy, a halogen... | 07/03/2007 |
| 7179310 | Zinc/air cell with improved anode A method of forming an anode comprising zinc for a zinc/air cell. The method involves mixing zinc particles with binders including preferably polyvinylalcohol, surfactant and water to form a wet paste. The wet paste is compacted and molded into the near shape of the... | 02/20/2007 |
| 7160647 | Battery cathode Batteries are disclosed. In some embodiments, a battery has a cathode that includes CuxMyOzXt, where M is a metal, X includes one or more halides and/or nitrate, x+y is from about 6.8 to about 7.2, and z and t are selected... | 01/09/2007 |
| 7078012 | Method of producing a high pressure gas A method of producing a high pressure gas is disclosed and which includes providing a container; supplying the container with a liquid such as water; increasing the pressure of the liquid within the container; supplying a reactant composition such as a chemical hydr... | 07/18/2006 |
| 7049030 | Battery Batteries and methods of making batteries are disclosed. In some embodiments, a battery includes a housing, a positive electrode comprising a copper material in the housing, a negative electrode in the housing, a separator between the positive electrode and the nega... | 05/23/2006 |
| 7026075 | Nonaqueous electrolyte battery and nonaqueous electrolytic solution The present invention achieves an increased capacity and prolonged life of nonaqueous electrolyte batteries of the type in which light metals, such as magnesium, calcium or aluminum, are used in the negative electrode. The present invention also provides a thermally... | 04/11/2006 |
| 6936378 | Alkaline electrochemical cells with improved electrolyte Alkaline electrochemical cells containing no added mercury and having a concentration of potassium hydroxide in the electrolyte, prior to discharge, of between about 34 and 37% (w/w solution) and wherein the amount of electrolyte is such that, after a calculated lev... | 08/30/2005 |
| 6911595 | Charge transfer material, and photoelectric conversion device and photoelectric cell using same, and pyridine compound A charge transfer material comprising a basic compound having negative charge and represented by the following general formula (I): (A1-L)n1-A2·M (I), wherein A1 represents a group having negativ... | 06/28/2005 |
| 6852446 | Non-aqueous electrolytes for lithium electrochemical cells A non-aqueous electric current producing electrochemical cell is provided comprising an anode and a cathode, an ionically permeable separator interposed between the anode and the cathode, and a non-aqueous electrolyte, the electrolyte comprising an ionically conduct... | 02/08/2005 |
| 6838208 | Modified thermal galvanic cell This invention is directed to modified thermal galvanic cells for conversion of heat into useful electrical energy by electrochemical action using thermal and concentration differences to enhance the power produced by the cell. The cells of the invention comprise ac... | 01/04/2005 |
| 6835499 | Negative electrode formulation for a low toxicity zinc electrode having additives with redox potentials positive to zinc potential A zinc electrode composition is provided for use in low toxicity, high energy density cells having alkaline electrolytes. The zinc electrode comprises zinc oxide, a binder, and from 0.1% up to 10% of a fluoride of an element chosen from the group consisting of silve... | 12/28/2004 |
| 6818350 | Alkaline cells having low toxicity rechargeable zinc electrodes A nickel zinc alkaline cell has a zinc oxide negative electrode supported on a conductive substrate, an alkaline electrolyte, and a positive electrode having nickel hydroxide paste supported on a conductive substrate. The negative zinc oxide electrode comprises 85% ... | 11/16/2004 |
| 6797433 | Negative electrode formulation for a low toxicity zinc electrode having additives with redox potentials negative to zinc potential A zinc electrode composition for use in low toxicity, high energy density cells having an alkaline electrolyte. The zinc electrode comprises zinc oxide, a binder, and from between 0.1 up to 10% of a fluoride of an element chosen from the group consisting of berylliu... | 09/28/2004 |
| 6790559 | Alkaline cells having positive nickel hydroxide electrodes with fluoride salt additives A nickel zinc alkaline cell has a zinc oxide negative electrode supported on a conductive substrate, an alkaline electrolyte, and a positive electrode having nickel hydroxide paste supported on a conductive substrate. The positive electrode further comprises 0.01% t... | 09/14/2004 |
| 6790563 | Electric cell An electric cell using aluminum in a negative electrode has a positive electrode, the negative electrode containing aluminum or aluminum alloy, and an electrolyte arranged between the positive electrode and the negative electrode. The electrolyte includes: at least ... | 09/14/2004 |
| 6787265 | Positive and negative interactive electrode formulation for a zinc-containing cell having an alkaline electrolyte A nickel-zinc galvanic cell is provided, having a pasted zinc oxide negative electrode, a pasted nickel oxide positive electrode, and an alkaline electrolyte. Chemical additives are placed in each of the negative and positive electrodes. The positive nickel hydroxid... | 09/07/2004 |
| 6667133 | Gelating agent for alkaline cell and alkaline cell A gelating agent for an alkaline cell is a cross-linked polymer (A) comprising (meth)acrylic acid and/or its alkali metal salt as a main constituent monomer unit and obtained by an aqueous solution polymerization or a reversed phase suspension polymerizat... | 12/23/2003 |
| 6599661 | Electrolyte composition of lead storage battery The present invention relates to an electrolyte composition for a lead storage battery, which can maintain the performance of a storage battery at low temperature by enhancing the performance and life of a storage battery. It can also be fully charged in ... | 07/29/2003 |
| 6537701 | 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, ... | 03/25/2003 |
| 6492057 | Electrochemical cell having reduced cell pressure An alkaline electrochemical cell having a hydrogen absorbing alloy negative electrode. The electrochemical cell comprises an alkaline electrolyte comprising an additive material which reduces cell pressure by decreasing hydrogen gas evolution.... | 12/10/2002 |
| 6432587 | Electrolyte for a lithium secondary battery An electrolyte for a lithium secondary battery is prepared by injecting a gas additive having a higher reduction potential than a non-aqueous organic solvent into the non-aqueous organic solvent. The gas additive has a reduction potential ranging from 0.5... | 08/13/2002 |
| 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 |
| 6207324 | Zinc sulfur battery An electric storage cell (10) comprises a zinc anode (12) and a sulfur cathode (14), wherein the zinc and the sulfur are in contact with an aqueous solution (22) containing sulfur during the process of battery discharge. In this invention, specific condit... | 03/27/2001 |
| 6165644 | Methods and reagents for enhancing the cycling efficiency of lithium polymer batteries Batteries including a lithium electrode and a sulfur counter electrode that demonstrate improved cycling efficiencies are described. In one embodiment, an electrochemical cell having a lithium electrode and a sulfur electrode including at least one of ele... | 12/26/2000 |
| 6066417 | Glass-polymer composite electrolyte and a method of preparing the same A glass-polymer composite electrolyte includes a glass electrolyte having a lithium compound and at least one compound selected from P2 S5, SiS2 or GeS2, and a polymer electrolyte comprising a lithium salt.... | 05/23/2000 |
| 6042968 | Process for producing polybenzimidazole fabrics for use in fuel A method for producing polybenzimidazole (PBI) fabrics for use as fuel cell or battery electrolytes by soaking a sulfonated or non-sulfonated PBI fabric in an acid solution, whereby the fibers of the fabric become swollen with the acid solution; and dryin... | 03/28/2000 |
| 6040088 | Sodium polyacrylate gelling agent for zinc gelled anode A sodium polyacrylate superabsorbent polymer made by bulk polymerization and characterized as described herein is a superior gelling agent when provided at a suitable concentration in a gelled anode for an alkaline electrochemical cell. Suitable gelled an... | 03/21/2000 |
| 6013192 | Sodium hydroxide compositions for use in battery systems The present invention relates to a dry composition of materials to be used n a battery system. The dry composition comprises a mixture consisting of sodium hydroxide and sodium oxide. In a first reservoir in the battery system, the mixture is present in an... | 01/11/2000 |
| 6001325 | Process for removing acids from lithium salt solutions The present invention provides a process for generating acid-free lithium salt solutions for lithium and lithium ion batteries and for preparing high purity lithium salts. The invention comprises removing acid species from lithium salt solutions such as l... | 12/14/1999 |
| 5731101 | Low temperature ionic liquids A low temperature molten ionic liquid composition comprising a mixture of a metal halide and an alkyl-containing amine hydrohalide salt is described which is useful as a catalyst and a solvent in alkylation, arylation and polymerization reactions or as an... | 03/24/1998 |
| 5723231 | Polymer electrolyte and an electrochemical cell containing the electrolyte An electrolyte for an electrochemical cell is provided. The electrolyte is an admixture of H3 PO4 and a high temperature polymer such as poly(benzimidazole) in ratios between 2:1 and 50:1, Fumed silica is added to the electrolyte at ... | 03/03/1998 |
| 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 |
