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| Number | Title | Issue Date |
| 8187734 | Proton-conducting polymer composition and method for preparation thereof, catalyst ink containing said proton-conducting polymer composition and fuel cell including said catalyst ink A proton-conducting polymer composition which contains an aromatic hydrocarbon type of proton-conducting polymer in an amount of 1 to 30 mass %, wherein a component of said proton-conducting polymer having a molecular weight in the range of 2,000 to 230,000 in terms... | 05/29/2012 |
| 8163406 | Membrane-electrode assembly for solid polymer electrolyte fuel cell A membrane-electrode assembly for solid polymer electrolyte fuel cell that exhibits superior dimensional stability to high temperature of hot water generated on power generation, and that has both excellent power generation performance and durability in a low temper... | 04/24/2012 |
| 8153286 | Perfluorocarbon ionomer membrane with high proton conductivity and preparation thereof The present invention provides a perfluorocarbon ionomer membrane with aligned fibril-like nanostructures and its preparation method. ... | 04/10/2012 |
| 8142917 | Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, ... | 03/27/2012 |
| 8137828 | Durable fuel cell membrane electrode assembly with combined additives A fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane comprising a first polymer electrolyte and at least one manganese compound; and one or more electrode layers comprising a catalyst and at least one cerium compound. The mem... | 03/20/2012 |
| 8124260 | Solution based enhancements of fuel cell components and other electrochemical systems and devices This invention relates in general to components of electrochemical devices, and to methods of preparing the components. The components and methods include the use of a composition comprising an ionically conductive polymer and at least one solvent, where the polymer... | 02/28/2012 |
| 8017257 | Polymer, polymer electrolyte membrane for polymer electrolyte fuel cell, and membrane/electrode assembly A polymer electrolyte membrane made of a polymer having a low electrical resistance, high heat resistance and is strong against repeats of swelling and shrinkage. Thus, a membrane/electrode assembly for polymer electrolyte fuel cells having high power generation per... | 09/13/2011 |
| 7993767 | Solid-state polymer electrolyte membrane, method for manufacture thereof and solid-state polymer electrolyte fuel cell therewith The present invention provides an inexpensive solid-state polymer electrolyte membrane to be used in a solid-state polymer electrolyte fuel cell, which can be manufactured by using inexpensive raw materials through a simpler chemical synthesis process, achieves good... | 08/09/2011 |
| 7960046 | Sulfonated-perfluorocyclobutane polyelectrolyte membranes for fuel cells A process for preparing a polymer comprising sulfonating a perfluorocyclobutane polymer with a sulfonating agent to form a sulfonated perfluorocyclobutane polymer, wherein the sulfonating agent comprises oleum, SO3 or a combination thereof is provided. A ... | 06/14/2011 |
| 7943249 | Liquid composition, process for its production and process for producing membrane-electrode assembly for polymer electrolyte fuel cells An electrolyte membrane is prepared from a liquid composition comprising at least one member selected from the group consisting of trivalent cerium, tetravalent cerium, bivalent manganese and trivalent manganese; and a polymer with a cation-exchange group. The liqui... | 05/17/2011 |
| 7910236 | Electrolyte material, electrolyte membrane and membrane-electrolyte assembly for polymer electrolyte fuel cells To provide an electrolyte material for polymer electrolyte fuel cells having a high softening temperature and being excellent in durability, and an electrolyte membrane and a process for producing a membrane-electrode assembly using it. An electrolyte materia... | 03/22/2011 |
| 7910237 | Polymer electrolyte membrane and method for producing polymer electrolyte membrane The present invention can provide a polymer electrolyte membrane having power generation characteristics with a high output and long life and a polymer electrolyte fuel cell using the same. The present invention provides a polymer electrolyte membrane having a porou... | 03/22/2011 |
| 7887940 | Electrolyte membrane, electrode, and fuel cell A proton conductive inorganic material includes oxide particles containing at least one element X selected from the group consisting of W, Mo, Cr, B and V, an oxide carrier carrying the oxide particles and containing at least one element Y selected from the group co... | 02/15/2011 |
| 7883791 | Fuel cell electrolyte, membrane electrode assembly, and method of manufacturing fuel cell electrolyte A fuel cell electrolyte according to one aspect of the invention contains a basic polymer and a phosphate compound expressed by the following general formula (1): where R represents an alkyl or alkoxyalkyl group, and n is 1... | 02/08/2011 |
| 7879475 | Solid polymer electrolyte, solid polymer fuel cell and method for manufacturing the fuel cell Disclosed herein is a solid polymer electrolyte wherein protons of cation exchange groups contained in a perfluorinated electrolyte are partially replaced by metal ions. The metal ion is at least one metal ion selected from vanadium (V), manganese (Mn), niobium (Nb)... | 02/01/2011 |
| 7879476 | Proton conducting electrolyte A cationic conductive polymer is described herein which generally comprises a proton donating polymer and an oxocarbonic acid. The cationic conductive polymer exhibits a high conductivity in low humidity environments. ... | 02/01/2011 |
| 7862922 | Polymer electrolyte membrane for fuel cell and fuel cell system comprising same The polymer electrolyte membrane according to the present invention includes a proton-conducting polymer including metal ions bound to polyalkylene oxide. The polymer electrolyte membrane can save manufacturing cost of a fuel cell and improve proton conductivity and... | 01/04/2011 |
| 7862923 | Polymers for proton exchange membranes, proton exchange membranes, and their fabrication methods The present invention relates to a proton exchange membrane having a polymer comprising of a main chain and a branch chain connected to said main chain wherein the chemical formula for said branch chain is and where n is an... | 01/04/2011 |
| 7858215 | Electrolyte composition, solid electrolyte membrane, solid polymer fuel cell and manufacturing method for solid electrolyte membrane A method for manufacturing a solid electrolyte membrane made from an electrolyte composition that shows low methanol cross-over and exhibits high proton conductivity. The method includes applying an electrolyte composition including an organic solvent and a perfluor... | 12/28/2010 |
| 7842410 | Polymer electrolyte membrane and fuel cell including the polymer electrolyte membrane A solid acid including a carbon nanotube (CNT), a spacer group combined with the CNT and an ionically conductive functional group connected to the spacer group. A polymer electrolyte membrane may include the same composition, and may be used in a fuel cell. The poly... | 11/30/2010 |
| 7838138 | Fuel cell electrolyte membrane with basic polymer The present invention is an electrolyte membrane comprising an acid and a basic polymer, where the acid is a low-volatile acid that is fluorinated and is either oligomeric or non-polymeric, and where the basic polymer is protonated by the acid and is stable to hydro... | 11/23/2010 |
| 7833644 | Electrolytic membrane An object of this invention is to provide an electrolytic membrane excellent in ion conductivity and oxidation resistance, and this invention is directed to an electrolytic membrane formed of a polymer comprising at least one recurring unit selected from the group c... | 11/16/2010 |
| 7833643 | Neutral protic-salt electrolytes and protic-salt imbibed polymer membranes for high temperature fuel cell applications A neutral protic salt electrolyte and a protic-salt imbibed polymer electrolyte membrane exhibiting high ionic conductivity and thermal stability at temperatures greater than 100° C. without requiring additional humidification systems or hydrating water is disclose... | 11/16/2010 |
| 7829209 | Solid polymer electrolyte for fuel cell and fuel cell containing the same A solid polymer electrolyte for a fuel cell has high proton conductivity, large heat resistance, an excellent mechanical strength. A fuel cell may include such solid polymer electrolyte. The solid polymer electrolyte for a fuel cell includes a proton conductive resi... | 11/09/2010 |
| 7820314 | Proton-conducting membrane and use thereof The present invention relates to a novel proton-conducting polymer membrane based on polyazole block polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) f... | 10/26/2010 |
| 7811693 | Proton exchange membranes (PEM) based on hybrid inorganic-organic copolymers with grafted phosphoric acid groups and implanted metal cations A proton exchange membrane comprises a hybrid inorganic-organic polymer that includes implanted metal cations. Acid groups are bound to the hybrid inorganic-organic polymer through an interaction with the implanted metal cations. An example process for manufacturing... | 10/12/2010 |
| 7811694 | Polymer electrolyte for a direct oxidation fuel cell, method of preparing the same, and direct oxidation fuel cell comprising the same A polymer electrolyte membrane for a direct oxidation fuel cell includes a porous polymer supporter having a plurality of pores, and a hydrocarbon fuel diffusion barrier layer which is formed on the polymer supporter and contains an inorganic additive dispersed in a... | 10/12/2010 |
| 7799452 | Solid polymer electrolyte membrane and production method of the same An object is to provide a solid polymer electrolyte membrane for solid polymer electrolyte fuel cell, which has high durability, as well as a membrane electrode assembly and a solid polymer electrolyte fuel cell, each containing the same. The solid polymer electroly... | 09/21/2010 |
| 7781085 | Monomer compound, graft copolymer compound, production method thereof, polymer electrolyte membrane, and fuel cell A novel polymer electrolyte is provided that enables a solid polymer electrolyte used in fuel cells, for example, to have sufficient proton conductivity even in a low-water-content state or a zero-water-content state by using a monomer compound represented by the ge... | 08/24/2010 |
| 7771857 | Proton-conducting polymer membrane A polymer electrolyte membrane includes a membrane polymer made of monomer units that have aromatic polyarylenes groups with proton-conducting functional groups bound to the aromatic polyarylene groups. The polymer electrolyte membrane can be used as a proton-conduc... | 08/10/2010 |
| 7758986 | Proton conductor, polymer electrolyte comprising the same and fuel cell employing the polymer electrolyte A proton conductor includes a molecule with a hydroxy group arranged at a terminal end and an ether-based functional group arranged at an α-carbon position. The proton conductor may be used to impregnate a polymer matrix to form a polymer electrolyte. ... | 07/20/2010 |
| 7745030 | Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells A proton-conducting polymer membrane comprising polyazoles containing sulfonic acid groups is obtainable by a process comprising: A) mixing one or more aromatic or heteroaromatic tetraamino compounds with one or more aromatic or he... | 06/29/2010 |
| 7745031 | Solid oxide fuel cell SOFC cell comprising a metallic support 1 ending in a substantially pure electron conducting oxide, an active anode layer 2 consisting of doped ceria, ScYSZ, Ni—Fe alloy, an electrolyte layer 3 consisting of co-doped zirconia based on oxygen i... | 06/29/2010 |
| 7740968 | Ion-conductive binder membrane-electrode assembly and fuel cell This invention relates to an ion-conducting binder used for a membrane electrode assembly for polymer electrolyte fuel cells, the assembly consisting of a polymer electrolyte membrane and two gas diffusion electrodes stuck to the polymer electrolyte membrane with th... | 06/22/2010 |
| 7740967 | Highly conductive ordered ion exchange membranes Process for producing ion exchange membranes. A matrix material that comprises a polymeric component chosen from the group consisting of monomeric and oligomeric polymer precursors and cross-linkable polymers is provided. Ion cation or anion exchange particles, or p... | 06/22/2010 |
| 7736782 | Proton conductive solid polymer electrolyte and fuel cell A proton conductive solid polymer electrolyte includes a polypyridobisimidazole-based compound and at least an acid. The proton conductive solid polymer electrolyte can be used to make a fuel cell with good power generation over a long period of time under a relativ... | 06/15/2010 |
| 7736779 | Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, at least one polyazole (polymer A) and... | 06/15/2010 |
| 7736778 | Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cells A proton-conducting polymer membrane comprising polyazoles containing phosphonic acid groups is obtainable by a process comprising: A) mixing one or more aromatic or heteroaromatic tetraamino compounds with one or more aromatic or ... | 06/15/2010 |
| 7736780 | Fuel cell membrane containing zirconium phosphate The present invention provides for a compound having the following structure: Zr(O3PZqYnX)2-m(03PR)m, wherein X=a functional group such as CO2H, PO(OH)2, and SO3H, and SO2 | 06/15/2010 |
| 7736781 | Proton conductive polymer and fuel cell A proton conductive polymer comprising a repeating unit represented by formula (1): wherein R1, R2 and R3 each independently represents a substituent; and V, W and X each independently repre... | 06/15/2010 |
