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| Number | Title | Issue Date |
| 8071255 | Hydrophobic fluorinated polyelectrolyte complex films and associated methods A fuel cell comprising a proton transporting membrane is provided. The proton transporting membrane comprises a polyelectrolyte film comprising a multilayer comprising an interpenetrating network of a net positively charged polyelectrolyte polymer comprising repeat ... | 12/06/2011 |
| 8034490 | Solid electrolyte comprising fluorine-containing polymer having fluorine-containing ether chains There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices... | 10/11/2011 |
| 7846587 | Ion conductor There is provided a high molecular weight ion conductor which has a high ionic conductivity even around room temperature, is low in a viscosity, is nonflammable, is excellent in oxidation resistance, and can satisfy characteristics required for a solid electrolyte o... | 12/07/2010 |
| 7771879 | Method of producing nanoparticle-filled phase inversion polymer electrolyte Provided is a method of producing a nanoparticle-filled phase inversion polymer electrolyte. The method includes mixing a nanoparticle inorganic filler and a polymer with a solvent to obtain a slurry; casting the obtained slurry to form a membrane; obtaining an inor... | 08/10/2010 |
| 7722993 | Solid-state secondary power supply Application: in electric equipment as a secondary current source (storage battery). Nature of the invention: Solid-state secondary current source, consisting from an anode (An0), in a form of a metal or an alloy of metals, whose fluorination leads to gene... | 05/25/2010 |
| 7682753 | Solid electrolyte comprising fluorine-containing polymer having fluorine-containing ether chains There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices... | 03/23/2010 |
| 7553589 | Solid electrolyte comprising fluorine-containing polymer having fluorine-containing ether chains There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices... | 06/30/2009 |
| 7399556 | Lithium cationic single-ion conducting filler-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery in which a composite polymer matrix multi-layer structure composed of a plurality of polymer matrices with different pore sizes is impregnated with an electrolyte solution, and a method of ... | 07/15/2008 |
| RE40302 | Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or more selected from the group consisting of compounds represented by ... | 05/06/2008 |
| 7345135 | Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin The invention provides a crosslinkable aromatic resin having a protonic acid group and a crosslinkable group, suitable for electrolytic membranes and binders used in fuel cells, etc., and electrolytic polymer membranes, binders and fuel cells using the resin. The cr... | 03/18/2008 |
| 7326499 | Alkaline storage battery Disclosed is an alkaline storage battery comprising: a positive electrode comprising nickel hydroxide; a negative electrode; and an electrolyte layer interposed between the positive electrode and the negative electrode. The electrolyte layer comprises a water absorb... | 02/05/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| 7303974 | Method for producing electrochemical capacitor electrode A method is provided for optimizing the physical characteristics of a coating solution for an undercoat layer formed between a polarizable electrode layer and surface-roughened collector. A first step is carried out to form an undercoat layer on a collector whose su... | 12/04/2007 |
| 7303975 | Method for producing electrochemical capacitor electrode A method is provided for optimizing the physical characteristics of a coating solution for a polarizable electrode layer formed on a collector. A first step is carried out to prepare a coating solution that includes porous particles, a fluorine-based binder, a good ... | 12/04/2007 |
| 7264902 | Battery system with excellent controllability for temperature A battery system of the present invention includes one or more cell groups, each having a positive electrode, a negative electrode and a solid electrolyte layer, and one or more heat mediating structures adjacent to the cell groups. The cell groups and the heat medi... | 09/04/2007 |
| 7247408 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium... | 07/24/2007 |
| 7245107 | System and method for battery charge control based on a cycle life parameter A charging and discharging strategy for a rechargeable battery pack is disclosed. The strategy involves monitoring and learning the battery pack's condition (a cycle life parameter) in terms of its progression through its life cycle. The life cycle parameter may be ... | 07/17/2007 |
| 7235332 | Lithium ion polymer secondary cell A porous element containing a fluoropolymer comprising vinylidene fluoride as a main unit and having a density of 0.55–1.30 g/cm3 and a Gurley value of not more than 150 sec/100 cc is used as a polymer substrate of a solid electrolyte to be placed betwe... | 06/26/2007 |
| 7229717 | Anode active material and battery using it A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the gro... | 06/12/2007 |
| 7226699 | Proton conductor film, manufacturing method therefor, fuel cell provided with proton conductor film and manufacturing method therefor A proton conductor and film thereof, electrochemical device, such as a fuel cell, employing same and methods of manufacturing same are provided. The proton conductor material film includes a proton conductor and polyvinyl alcohol as a binder for the proton conductor... | 06/05/2007 |
| 7223495 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode collector, on which a positive electrode active material layer containing a positive electrode active material as a complex oxide of Li and transition metals are formed,... | 05/29/2007 |
| 7220510 | Sulfonated poly(arylene) films as polyelectrolyte membranes Polyelectrolyte membranes suitable for use in a fuel cell are provided as a solid state sulfonation product of particular fluorinated polymers, or alternatively as a fluorination product of particular sulfonated polymers. A sulfonated polymer is provided that contai... | 05/22/2007 |
| 7220518 | Secondary battery and electrolyte used therefor A secondary battery which exhibits less deterioration of capacity, can maintain high energy densities in high temperature atmospheres, and has high practicality, and an electrolyte used therefor, are provided. The electrolyte contains an anion expressed by (PFa... | 05/22/2007 |
| 7211352 | Single ion conductor-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance ionic conductivity and a method of manufacturing the same. The composit... | 05/01/2007 |
| 7208555 | Process for preparing polyvinylidene fluoride copolymer The present invention provides a polyvinylidene fluoride copolymer capable of forming a uniform film, a solution of the copolymer and a thin film comprising the polyvinylidene fluoride copolymer. The polyvinylidene fluoride copolymer of the present invention is char... | 04/24/2007 |
| 7183021 | Solid electrolyte battery A solid electrolyte battery having improved energy density and safety, the solid electrolyte battery incorporating a positive electrode; a negative electrode disposed opposite to the positive electrode; a separator disposed between the positive electrode and the neg... | 02/27/2007 |
| 7166644 | Porous polymeric membrane comprising vinylidene fluoride A process for producing a porous polymeric structure which process comprises preparing a solution comprising a polymer which comprises vinylidene fluoride in a solvent/non-solvent mixture; holding the solution at an elevated temperature until the polymer is complete... | 01/23/2007 |
| 7157184 | Method for producing electrode sheets for electrochemical elements A method for producing electrode sheets for electrochemical elements which contain at least one lithium-intercalating electrode which is composed of a mixture of at least two copolymerized fluorized polymers in whose polymer matrix electrochemically active materials... | 01/02/2007 |
| 7157183 | Proton conductor, production method thereof, and electrochemical device using the same A proton conductor mainly contains a carbonaceous material derivative, such as, a fullerene derivative, a carbon cluster derivative, or a tubular carbonaceous material derivative in which groups capable of transferring protons, for example, —OH groups or —OSO | 01/02/2007 |
| 7141333 | Method for producing an electrochemical element A method for producing an electrochemical element having at least one lithium-intercollating electrode and an organic electrolyte, at least one positive electrode, at least one negative electrode and at least one separator are joined together to form an element, wit... | 11/28/2006 |
| 7135254 | Multi-layered, UV-cured polymer electrolyte and lithium secondary battery comprising the same The present invention relates to a multi-layered, UV-cured polymer electrolyte and lithium secondary battery comprising the same, wherein the polymer electrolyte comprises: A) a separator layer formed of polymer electrolyte, PP, PE, PVdF or non-woven fabric, wherein... | 11/14/2006 |
| 7125631 | Lithium salt, ionic conductor and liquid electrolyte Disclosed are a lithium salt expressed by a formula, LiAlXn(OY)4-n, where “X” is an electrophilic substituent group and “Y” is an oligoether group, an ionic conductor with the lithium salt dispersed in a structural member, and a liquid ... | 10/24/2006 |
| 7122275 | Electrochemical element An electrochemical element which contains a stack including two or more individual cells with positive and negative electrodes as well as separators in a housing formed from a metal sheet which is coated on the inside with insulating material. The output conductor l... | 10/17/2006 |
| 7118821 | Hydrophilic polymer-oxide-phosphoric acid compositions for proton conducting membranes An organic-inorganic hydrophilic polymer-oxide hybrid proton conducting membrane (PCM) is produced from a host organic polymer, a filler inorganic oxide, and a proton-source with a pKa less than about 5. Usually, the subject invention comprises PCMs containing host ... | 10/10/2006 |
| 7097941 | Solid electrolytic secondary battery A solid-electrolyte secondary battery is provided which comprises a positive electrode, negative electrode and a solid electrolyte provided between the electrodes. The solid electrolyte contains as a matrix polymer a fluorocarbon polymer of 550,000 in weight-average... | 08/29/2006 |
| 7097942 | Fluoride copolymer, polymer electrolyte comprising the same and lithium battery employing the polymer electrolyte Provided are a fluoride copolymer, a polymer electrolyte comprising the fluoride copolymer, and a lithium battery employing the polymer electrolyte. The polymer electrolyte preferably includes as the fluoride copolymer at least one fluoride polymer selected from a p... | 08/29/2006 |
| 7097943 | UV-cured multi-component polymer blend electrolyte, lithium secondary battery and their fabrication method The present invention relates to a UV-cured multi-component polymer blend electrolyte, lithium secondary battery and their fabrication method, wherein the UV-cured multi-component polymer blend electrolyte, comprises: A) function-I polymer obtained by curing ethylen... | 08/29/2006 |
| 7094501 | Graft oligomeric electrolytes Disclosed are compositions prepared by free-radical-driven grafting onto hydrocarbons or hydrocarbon ethers of olefinically unsaturated fluorocarbons containing sulfonyl fluoride, fluorosulfonate, fluorosulfonimide, or fluorosulfonyl methide groups, wherein the graf... | 08/22/2006 |
| 7070706 | Composition of nano-tube composite polymer electrolyte and fabrication method thereof This invention pertains to the composition and method for fabricating nano-tube composite polymer electrolyte. The composite polymer electrolyte is made by blending suitable amount of highly dispersed, nano-tube, such as titanium dioxide (TiO2), with high... | 07/04/2006 |
| 7070632 | Electrochemical device separator structures with barrier layer on non-swelling membrane Disclosed are electrochemical device separator structures which include a substantially impervious active metal ion conducting barrier layer material, such as an ion conducting glass, is formed on an active metal ion conducting membrane in which elongation due to sw... | 07/04/2006 |
