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| Number | Title | Issue Date |
| 8173712 | Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane The present invention relates to a modified inorganic material with excellent cation exchange capacity. In addition, the invention relates to a method of preparing the modified inorganic material, a composite electrolyte membrane comprising the modified inorganic ma... | 05/08/2012 |
| 8173713 | Filled nanoporous polymer membrane composites for protective clothing and methods for making them A new class of membranes for use in protective clothing. More specifically, the present invention relates to a polymer-polymer membrane with an ionic polymer located within the nanopores of a porous polymer host membrane. A method for making the polymer-polymer memb... | 05/08/2012 |
| 8148436 | Ion/electron-conducting composite polymer membrane, manufacturing processes thereof and planar fuel cell core comprising it The invention relates to an ion/electron-conducting composite polymer membrane (10′), which comprises at least two gas-tight ion-conducting polymer portions (11′) joined together directly by a gas-tight electron-conducting polymer portion (12 | 04/03/2012 |
| 8137861 | Diaphragm for direct-liquid fuel cell and process for producing the same The present invention discloses a membrane for direct-liquid fuel cell, comprised of a layered cation-exchange membrane whose one side is constituted by A) a cation-exchange membrane layer of low water content type having a water content of 1 to 15% by mass at a rel... | 03/20/2012 |
| 8138231 | Polymer having oxycarbon group, and use thereof The present invention provides a novel polymer having oxocarbon groups which is particularly useful in battery and fuel cell applications. ... | 03/20/2012 |
| 8133927 | Composite ionomeric membrane A composite ionomeric membrane comprising a layer or film of a porous inert material on which a (per) fluorinated sulphonic ionomer is deposited wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having: ... | 03/13/2012 |
| 8124660 | Polymer electrolyte membrane comprising coordination polymer A polymer electrolyte membrane is made from a polymer electrolyte and a coordination polymer, and finds use in a fuel cell. The polymer electrolyte membrane may be made by dissolving a polymer electrolyte in a solvent to provide a first solution, adding a coordinati... | 02/28/2012 |
| 8114918 | Compacted polyelectrolyte complexes and articles A method is described for producing an osmotically compacted polyelectrolyte complex having a first region and a second region, the first region having a greater modulus than the second region. The method comprises contacting an article comprising polyelectrolyte co... | 02/14/2012 |
| 8114552 | Electrode structure for polymer electrolyte fuel cell comprising sulfonated polyarylene-based polymer and method for manufactuing same There is provided an electrode structure for a polymer electrolyte fuel cell having excellent power generation performance and excellent durability and a method for manufacturing the same. Also provided is a polymer electrolyte fuel cell including the electrode stru... | 02/14/2012 |
| 8101669 | Exchange membrane containing modified maleimide oligomers An exchange membrane containing modified maleimide oligomers comprising sulfonated poly(aryl ether ketone) (S-PAEK) and modified maleimide oligomers. The exchange membrane uses the modified maleimide oligomers having a hyper-branched architecture as matrix, and intr... | 01/24/2012 |
| 8101315 | Hybrid membranes, method for production of hybrid membranes and fuel cells using such hybrid membranes The invention relates to hybrid membranes that are composed of an organic polymer and an inorganic polymer, a method for producing hybrid membranes, and the use of said hybrid membranes in polymer electrolyte membrane fuel cells. The inventive hybrid membranes compr... | 01/24/2012 |
| 8101670 | Polymers with benzoxazine groups in their main chains The present invention discloses polymers prepared through the Diels-Alder reaction with benzoxazine groups in their main chains. Moreover, polymers with high molecular weight could be successfully prepared via this method. Furthermore, the mentioned polymers are abl... | 01/24/2012 |
| 8101668 | Graft polymer This invention provides a novel graft polymer that has excellent proton conductivity, is capable of regulating hydrogen permeability, methanol permeability, and the like, and can serve as a starting material for a polymer electrolyte membrane, which facilitates mois... | 01/24/2012 |
| 8092952 | Polymer blend electrolyte membrane for use at high temperature and manufacturing method thereof The present invention relates to a polymer blend electrolyte membrane comprising an inorganic polymer having polydimethylsiloxane as a main chain, which has a pore structure at both ends formed by condensation reaction between 3-aminopropyltriethoxysilane and tetrae... | 01/10/2012 |
| 8088833 | Method for purifying an IgG monomer To provide a separating agent for IgG purification, whereby IgG can be separated and purified efficiently at a high purity, and a method for purifying an IgG using it. A separating agent for IgG purification, characterized in that a polyacrylic acid and/or a ... | 01/03/2012 |
| 8088534 | Chemically modified fullerene, production method for the same, and proton conducting membrane including the same A chemical fullerene derivative is for a proton conducting membrane electrolyte, in which sulfonic acid group SO3M and/or phosphonic acid group PO(OM)2 is directly bonded, but an organic compound is substantially not bonded. A production method... | 01/03/2012 |
| 8076379 | Proton-conducting membrane and the use thereof The present invention relates to a novel proton-conducting polymer membrane based on aromatic polyazoles which contain sulfonic acid groups and in which the sulfonic acid groups are covalently bound to the aromatic ring of the polymer and which can, owing to their e... | 12/13/2011 |
| 8071254 | Crosslinkable fluoropolymer, crosslinked fluoropolymers and crosslinked fluoropolymer membranes Crosslinkable polymers and crosslinked fluoropolymers are prepared from selected fluorinated dienes and monomers containing Br and I. Also disclosed are proton conductive membranes of these crosslinked fluoropolymers. ... | 12/06/2011 |
| 8058319 | Process to prepare fluoropolymer dispersions and membranes Described is a process to prepare fluoropolymer organic-liquid dispersions containing a homogeneous mixture of reacted and unreacted sulfonyl halide groups. The dispersions are useful in the preparation of crosslinked membranes. ... | 11/15/2011 |
| 8039166 | Polymer electrolyte membrane for fuel cell, method of manufacturing the same, and fuel cell employing the same A polymer electrolyte membrane for a fuel cell that can maintain a stable performance for a long time, a method of manufacturing the same, and a fuel cell employing the same. The polymer electrolyte membrane includes at least one kind of a basic polymer and an acidi... | 10/18/2011 |
| 8039520 | Electrolyte membrane comprising nanocomposite ion complex, manufacturing method thereof, and fuel cell including the same An electrolyte membrane includes a nanocomposite ion complex that is a reaction product of a nanocomposite with a basic polymer. The nanocomposite includes a polymer having a sulfonic acid group and an unmodified clay. Either the unmodified clay has a layered struct... | 10/18/2011 |
| 8013026 | Proton-conducting membrane and the use of the same The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and is particularly useful as polymer electrolyte membrane (PEM) to prod... | 09/06/2011 |
| 8008360 | Proton exchange membrane and method for manufacturing the same A proton exchange membrane and method for formation the same is disclosed. When forming the proton exchange membrane, first, a bismaleimide and barbituric acid are copolymerized to form a hyper-branched polymer. Next, the solvent of the sulfonated tetrafluorethylene... | 08/30/2011 |
| 8008361 | Method for preparing a poly(aryl ether) anion-exchange membrane A method for preparing a polymer anion-exchange membrane by forming a chloromethylated polymer, quaternizing the chloromethylated polymer, and casting. The method is simple to use and the obtained polymer anion-exchange membrane has good mechanical properties, impro... | 08/30/2011 |
| 7993793 | Process for producing polymer electrolyte membranes for fuel cells, polymer electrolyte membranes for fuel cells produced by the process, and fuel cell membrane-electrode assemblies using the membranes By performing photograft polymerization of functional monomers such that grafted chains will be introduced from the surface of a polymer base film into its interior without deteriorating its inherent characteristics and also by creating a multiplex crosslinked struc... | 08/09/2011 |
| 7989512 | Polyelectrolyte membranes derived from soluble perfluorocyclobutane polymers with sulfonyl chloride groups A method of forming an ionomeric membrane includes a step of reacting a first polymer in chlorosulfonic acid to form a first precipitate. The first precipitate comprising a polymer including a polymer unit having at least one —SO2Cl moiety attached ther... | 08/02/2011 |
| 7981568 | Ion conductive composite membrane using inorganic conductor An ion-conductive composite membrane and a method of manufacturing the same, the membrane including phosphate platelets, a silicon compound, and a Keggin-type oxometalate and/or Keggin-type heteropoly acid, wherein the phosphate platelets are three-dimensionally con... | 07/19/2011 |
| 7977392 | Water insoluble additive for improving conductivity of an ion exchange membrane A water insoluble additive for improving the performance of an ion-exchange membrane, such as in the context of the high temperature operation of electrochemical fuel cells. The insoluble additive comprises a metal oxide cross-linked matrix having proton conducting ... | 07/12/2011 |
| 7977008 | High temperature proton exchange membrane using ionomer/solid proton conductor, preparation method thereof and fuel cell containing the same The present invention relates to a high temperature proton-conducting polymer membrane, a preparation method thereof, a membrane-electrode assembly using the same and a fuel cell containing the same. More particularly, it relates to a proton-conducting polymer membr... | 07/12/2011 |
| 7977393 | Composition containing oxocarbon and use thereof Provided is a polymer composition containing an oxocarbon and a polymer, further, a polymer composition that the oxocarbon are expressed by formula (1). ... | 07/12/2011 |
| 7973090 | Process for production of zeolite film A process for producing a zeolite membrane comprising a seed crystal forming step of placing, in a pressure-resistant vessel, a seeding sol containing silica, water and a structure-directing agent and a support in a state that the support is immersed in the seeding ... | 07/05/2011 |
| 7973088 | Polymer electrolyte membrane, method for producing the same, and proton conductivity evaluation method for polymer electrolyte membrane The present invention provides a polymer electrolyte membrane with excellent proton conductivity in its thickness direction. Preferably, the polymer electrolyte membrane containing a polymer compound comprising an ionic segment having an ionic functional group and a... | 07/05/2011 |
| 7973089 | Membrane preparation method comprising the extrusion of a thermoplastic polymer bearing alkaline groupings The invention relates to a process for the extrusion of thermoplastic polymers having alkaline ionic groups. The process consists in preparing a mixture composed of a thermoplastic polymer having alkaline ionic groups and a plasticizer, in extruding the mixtu... | 07/05/2011 |
| 7956095 | Extrusion of a thermoplastic polymer bearing acid ionic groupings The invention relates to a process for the extrusion of thermoplastic polymers having acid ionic groups. The process consists in preparing a mixture composed of a thermoplastic polymer having acid ionic groups and a plasticizer, in extruding the mixture obtai... | 06/07/2011 |
| 7947411 | Membrane and electrode assembly and method of producing the same, and polymer electrolyte membrane fuel cell To provide a membrane and electrode assembly comprising a catalyst layer that improves water holding properties and exhibits high power generation characteristics even in low humidified conditions without inhibiting the diffusibility of reaction gas, the removal of ... | 05/24/2011 |
| 7935735 | Hybrid inorganic-organic polymer electrolyte membranes (PEMs) based on alkyloxysilane grafted thermoplastic polymers A composition of matter is formed from a graftable polymer, having graftable sites onto which sidechains have been grafted. The sidechains include at least one silane group, and may be formed by polymerization of a polymerizable group of a silane precursor. These co... | 05/03/2011 |
| 7932299 | Advanced solid acid electrolyte composites Solid acid/surface-hydrogen-containing secondary component electrolyte composites, methods of synthesizing such materials, electrochemical device incorporating such materials, and uses of such materials in fuel cells, membrane reactors and hydrogen separations are p... | 04/26/2011 |
| 7923166 | Separating membrane for fuel cell The present invention discloses a membrane for a fuel cell, comprising: a solid polymer electrolyte membrane composed of a crosslinked ion exchange resin, and a polymer having a weight-average molecular weight of 5,000 to 1,000,000 and having a charge group of polar... | 04/12/2011 |
| 7919537 | Methods for producing a polymer electrolyte membrane having improved oxidation resistance A method for producing a polymer electrolyte membrane for electrolyte fuel cells includes: irradiating gamma rays onto a polymer substrate to obtain a crosslinked polytetrafluoroetylene substrate, grafting a styrenic monomer and bis(vinylphenyl)ethane as monomers to... | 04/05/2011 |
| 7893119 | Polymer electrolyte membrane, method of preparing the same and fuel cell including the same A polymer electrolyte membrane including a polysilsesquioxane group-containing copolymer and an ionic conductive polymer is provided. A method of preparing the polymer electrolyte membrane and a fuel cell including the polymer electrolyte membrane is also provided. ... | 02/22/2011 |
