Patent application number | Description | Published |
20090278073 | POLYMERIC MEA FOR FUEL CELL - A polymeric electrolyte membrane for a polymer electrolyte membrane fuel cell comprises: (a) a sulfonated polysulfoneketone copolymer comprising an aromatic sulfone repeating unit, an aromatic ketone repeating unit and an aromatic compound repeating unit which connects said repeating units with an ether linkage, wherein the aromatic sulfone repeating unit, the aromatic ketone repeating unit or both have a sulfonic acid or sulfonate substituent; and (b) one or more polymers each comprising a monomer selected from the group consisting of vinylidene fluoride, hexafluoropropylene, trifluoroethylene and tetrafluoroethylene. | 11-12-2009 |
20100261091 | POLYSULFONE POLYMERS AND RELATED POLYMER ELECTROLYTE MEMBRANES AND FUEL CELLS - Polysulfone based polymer comprising a repeat unit represented by the following Chemical Formula 1 is provided: | 10-14-2010 |
20110136040 | SULFONATED POLY(ARYLENE ETHER) COPOLYMERS AND RELATED POLYMER ELECTROLYTE MEMBRANES AND FUEL CELLS - The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same. | 06-09-2011 |
20110136041 | SULFONATED POLY(ARYLENE ETHER) COPOLYMERS AND RELATED POLYMER ELECTROLYTE MEMBRANES AND FUEL CELLS - The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same. | 06-09-2011 |
20120016043 | POLY(ARYLENE ETHER) COPOLYMER HAVING CATION-EXCHANGE GROUP, PROCESS OF MANUFACTURING THE SAME, AND USE THEREOF - The present invention relates to a poly(arylene ether) copolymer having an ion exchange group, particularly a positive ion exchange group, a method for manufacturing the same, and use thereof. In the poly(arylene ether) copolymer having the ion exchange group according to the present invention, physical characteristics, ion exchanging ability, metal ion adsorption ability and a proccessability are excellent, and thus the copolymer can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins. | 01-19-2012 |
20120142790 | POLY(ARYLENE ETHER) COPOLYMER HAVING CATION-EXCHANGE GROUP, PROCESS OF MANUFACTURING THE SAME, AND USE THEREOF - The present invention relates to a poly(arylene ether) copolymer having a cation exchange group, a method for manufacturing the same, and use thereof. The poly(arylene ether) copolymer having the cation exchange group according to the present invention has excellent physical characteristics, ion exchanging capacity, metal ion adsorption capacity and a processability, and thus can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins. | 06-07-2012 |
20120309857 | POLYARYLENE-BASED POLYMER, PREPARATION METHOD FOR THE SAME, AND POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL USING THE POLYMER - Disclosed herein is a polyarylene-based polymer, a preparation method for the same, and a polymer electrolyte membrane for fuel cell using the polymer. The polyarylene-based polymer, which is designed to have long side chains of a hydrophilic moiety and dense sulfonic acid groups, may improve the formation of ion channels when fabricating a polymer membrane and also ensures good chemical stability of the hydrophilic moiety and good dimensional stability against water. Further, the preparation method of the present invention simplifies production of the polymer, and polymer electrolyte membranes using the polymer exhibits improved properties as a polymer electrolyte membrane for a fuel cell, such as high proton conductivity, even under an atmosphere of low water uptake, and good dimensional stability against a long-term exposure to water. | 12-06-2012 |
20140329162 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - A membrane electrode assembly for a fuel cell is provided that includes a membrane, electrodes on both sides of the membrane, respectively, and sub-gaskets bonded to the edges of the electrodes, respectively. In particular, the sub-gasket may be bonded to the membrane at a predetermined distance from the edge of the electrode. | 11-06-2014 |