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Polymeric material (e.g., proton exchange membrane (PEM), etc.)

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429400000 - FUEL CELL, SUBCOMBINATION THEREOF, OR METHOD OF MAKING OR OPERATING

429479000 - Fuel cell with solid electrolyte

429491000 - Specified solid electrolyte

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429493000 Having sulfonic acid groups 65
Entries
DocumentTitleDate
20110200912FUEL CELL COMPONENTS AND SYSTEMS HAVING CARBON-CONTAINING ELECTRICALLY-CONDUCTIVE HOLLOW FIBERS - According to one embodiment, a system includes a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst coupled to the hollow fiber, an anode extending along at least part of a length of the structure, and a cathode extending along at least part of the length of the structure, the cathode being on an opposite side of the hollow fiber as the anode. In another embodiment, a method includes acquiring a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst along one side thereof, adding an anode that extends along at least part of a length of the structure, and adding a cathode that extends along at least part of the length of the structure on an opposite side as the anode.08-18-2011
20100159353POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - Disclosed are: a polymer electrolyte which comprises, as the main component, a block/graft copolymer comprising, as constituent components, polymer blocks (A), (B) and (C) which cause phase-separation from one another, wherein the polymer block (A) comprises a vinyl compound unit as the main repeating unit and has an ion-conductive group, the polymer block (B) comprises a vinyl compound unit capable of forming a flexible phase as the main repeating unit and forms a flexible phase, and the polymer block (C) comprises a styrene derivative unit carrying an alicyclic hydrocarbon group having a polycyclic structure as the main repeating unit and forms a restrained phase; a membrane; a membrane-electrode assembly; and a solid polymer fuel cell. The polymer electrolyte has excellent durability and heat resistance, and shows little change in properties, such as the change in dimension between a dried state and a wet state, the change in mechanical properties and the change in methanol cross-over before and after the immersion in a methanol solution. The polymer electrolyte can be used stably in a solid polymer fuel cell during the long-term operation of the solid polymer fuel cell and enables excellent start-up performance of the solid polymer fuel cell.06-24-2010
20110195340COMPOSITION, POLYMER THEREOF, ELECTRODE AND ELECTROLYTE MEMBRANE FOR FUEL CELL, AND FUEL CELL INCLUDING THE SAME - A composition including a compound having a fluorine functional group, a polymer as a polymerization product of the composition, an electrode and an electrolyte membrane for a fuel cell, which include the composition or the polymer thereof, and a fuel cell including at least one of the electrode and the electrolyte membrane.08-11-2011
20130209914Fluororesin-Coated Polymer Film For Reinforcing Polymer Electrolyte Membrane, Reinforced Polymer Electrolyte Membrane, and Membrane Electrode Assembly - Disclosed is a fluororesin-coated polymer film for reinforcing a polymer electrolyte membrane, wherein the fluororesin-coated polymer film is fabricated by forming on at least one side of a polymer film a coating of a reaction product of (A) a fluorine-containing copolymer composed of a fluoroolefin, a cyclohexyl group-containing acrylic ester, and a hydroxyl group-containing vinyl ether, and (B) a crosslinking agent having two or more isocyanate groups. The polymer film according to the present invention not only exhibits sufficiently high initial adhesion strength, with respect to the polymer electrolyte membrane, but also retains thereafter high adhesion strength in actual operating environments.08-15-2013
20130084515POLYIMIDE POROUS WEB, METHOD FOR MANUFACTURING THE SAME, AND ELECTROLYTE MEMBRANE COMPRISING THE SAME - Disclosed is a polyimide porous web with good porosity, good dimensional stability, and uniform pore; a method for manufacturing the same; and an electrolyte membrane with improved ion conductivity and good dimensional stability owing to ion conductors uniformly impregnated in the porous web, the polyimide porous web having a porosity of 60% to 90%, wherein not less than 80% of entire pores of the porous web have a pore diameter which differs from an average pore diameter of the porous web by not more than 1.5 μm.04-04-2013
20130029249PROTON CONDUCTING MATERIALS - The description includes materials that may be useful for fuel cell applications such as in the manufacture of fuel cell electrodes, proton exchange membranes (PEM), as catalyst additives or in tie layers designed to be thermally and chemically robust while operating within a fuel cell's harsh environment at higher temperatures and to conduct protons, with significantly higher levels of bound acidic groups, while in a low hydration state. Methods of making the materials are also described.01-31-2013
20130052563MEMBRANE - A reinforced membrane comprises:02-28-2013
20130089809ASSEMBLING BIPOLAR PLATES FOR FUEL CELLS USING MICROENCAPSULATED ADHESIVES - The flow field plates in a bipolar plate assembly for a fuel cell can be both bonded and sealed appropriately using microencapsulated adhesives. This offers several advantages over using other adhesives which may have limited pot life and/or require lengthy curing periods at elevated temperature during which time the plates must be stably positioned and under compression.04-11-2013
20110014545PROTON-CONDUCTING MEMBRANE AND ITS USE - The present invention relates to novel polyazoles, a proton-conducting polymer membrane based on these polyazoles and its use as polymer electrolyte membrane (PEM) for producing membrane-electrode units for PEM-fuel cells, and also other shaped bodies comprising such polyazoles.01-20-2011
20130059229ELECTROLYTE MATERIAL, AND PROTON CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - Disclosed is an electrolyte material containing a copolymer including a polyvinyl as a main chain, the copolymer including a functional group with proton conductivity; and an alkoxide of Si or Ti as a side chain. By using the electrolyte material, a proton conductive polymer electrolyte membrane with flexibility, high ion conductivity, excellent water resistance, and a small change in size can be obtained. And a polymer electrolyte fuel cell can be provided which has high output and durability by using the electrolyte membrane.03-07-2013
20130164653USE OF A FUNCTIONALIZED MINERAL FILLER FOR CHEMICALLY STABILIZING A POLYMER, MEMBRANE THUS STABILIZED, PROCESS FOR PREPARING SAME AND USES THEREOF - The present invention concerns the use of at least one mineral filler functionalized by at least one group comprising at least one sulfur atom for chemically stabilizing a polymer matrix and/or for increasing the durability thereof. The present invention also concerns a membrane such as an ion exchange membrane and in particular a proton exchange membrane thus stabilized, its method of preparation and uses thereof.06-27-2013
20110281200COMPOUND AND COMPOSITION INCLUDING COMPOUND, WITH FUEL CELL, FUEL CELL ELECTRODE AND FUEL CELL ELECTROLYTE MEMBRANE USING SAME - A compound that is a polymerization product of a compound composition that contains a diisocyanate-based compound and an aromatic polyol, a composition that contains the compound and an interpenetration polymer, a fuel cell electrode including either the compound or the composition, a fuel cell electrolyte membrane including either the compound or the composition, and a fuel cell including at least one selected from the group consisting of the fuel cell electrode and the fuel cell electrolyte membrane.11-17-2011
20110117474Solid electrolyte and electrochemical system including the solid electrolyte - Solid electrolyte comprising organic compound containing the organic polymer with hydroxyl group, inorganic compound, and water intended to provide the solid electrolyte that is less susceptible to performance deterioration even under high temperatures of 100° C. or higher and the electrochemical system using the said solid electrolyte.05-19-2011
20120107721POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - Disclosed is a fuel cell in which a membrane electrode assembly less undergoes increase in ion conduction resistance, and a polymer electrolyte membrane less undergoes deterioration. Specifically, the polymer electrolyte membrane includes a first membrane and a second membrane being two different membranes composed of polymer electrolytes having different ion-exchange capacities, in which the first membrane has an area of one surface thereof equal to or larger than an area of one surface of an anode or a cathode, and the second membrane has an area of one surface thereof smaller than that of the first membrane and is arranged in a gas inflow region on a side being in contact with the cathode. The second membrane has an ion-exchange capacity smaller than that of the first membrane or has a number-average molecular weight larger than that of the first membrane.05-03-2012
20110143258ORGANIC/INORGANIC COMPLEX PROTON CONDUCTOR, ELECTRODE FOR FUEL CELL INCLUDING ORGANIC/INORGANIC COMPLEX PROTON CONDUCTOR, ELECTROLYTE MEMBRANE FOR FUEL CELL INCLUDING ORGANIC/INORGANIC COMPLEX PROTON CONDUCTOR, AND FUEL CELL INCLUDING ORGANIC/INORGANIC COMPLEX PROTON CONDUCTOR - Organic/inorganic complex proton conductors are provided which display high proton conductivity over a wide temperature range. Electrodes for fuel cells which include the organic/inorganic complex proton conductors are also provided. The invention also advantageously provides electrolyte membranes for fuel cells including the organic/inorganic complex proton conductors, and fuel cells including the organic/inorganic complex proton conductors.06-16-2011
20110143257METHOD OF ENHANCING ELECTRODES - One embodiment includes a method of forming a hydrophilic particle containing electrode including providing a catalyst; providing hydrophilic particles suspended in a liquid to form a liquid suspension; contacting said catalyst with said liquid suspension; and, drying said liquid suspension contacting said catalyst to leave said hydrophilic particles attached to said catalyst.06-16-2011
20110143256METHOD OF ENHANCING ELECTRODES - One embodiment includes a method of forming a hydrophilic particle containing electrode including providing a catalyst; providing hydrophilic particles suspended in a liquid to form a liquid suspension; contacting said catalyst with said liquid suspension; and, drying said liquid suspension contacting said catalyst to leave said hydrophilic particles attached to said catalyst.06-16-2011
20110287337METHOD FOR PULSE PLATING CARBON BLACK SHEET WITH METALLIC NANO PARTICLE THIN FILM LAYER, AND CARBON BLACK SHEET AND FUEL CELL POLYMER ELECTROLYTE MEMBRANE/ELECTRODE ASSEMBLY PREPARED USING SHEET - The present invention relates to a carbon black sheet with a thin layer of metal nanoparticles by pulse electroplating, which allows metal nanoparticles such as platinum, etc. to be uniformly dispersed on a carbon black layer and is very thin, enhancing the efficiency of a metal catalyst such as platinum, etc., minimizing the amount of the metal used to reduce the manufacturing costs significantly, and realizing a continuous process, and a polymer membrane electrode assembly (MEA) for a fuel cell by using the same.11-24-2011
20110097645Process for Preparing Membranes - Membranes and processes for preparing membranes having weakly acidic or weakly basic groups comprising the steps of: (i) applying a curable composition to a support; (ii) curing the composition for less than 30 seconds to form a membrane; and (iii) optionally removing the membrane from the support; wherein the curable composition comprises a crosslinking agent having at least two acrylic groups. The membranes are particularly useful for producing electricity by reverse electrodialysis.04-28-2011
20130017471FUEL CELL WITH SELECTIVELY CONDUCTING ANODE COMPONENT - To reduce degradation of a solid polymer fuel cell during startup and shutdown, a selectively conducting component is incorporated in electrical series with the anode components in the fuel cell. The component is characterized by a low electrical resistance in the presence of hydrogen or fuel and a high resistance in the presence of air. High cathode potentials can be prevented by integrating such a component into the fuel cell. A suitable selectively conducting component can comprise a layer of selectively conducting material, such as a metal oxide.01-17-2013
20120107724ELECTRODE CATALYST FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - An electrode catalyst for a fuel cell consists principally of a carbon support, and a platinum catalyst or a platinum-alloy catalyst supported on the carbon support. In the electrode catalyst, at least 0.7 mmol of an acid per gram of the electrode catalyst is present on the carbon support.05-03-2012
20120107723PORE FORMATION BY IN SITU ETCHING OF NANOROD PEM FUEL CELL ELECTRODES - The invention includes a method for use in creating electrochemical electrodes including removing a supporting structure in situ after the assembly of the electrochemical cell.05-03-2012
20120107722SEPARATOR AND FUEL CELL USING THE SAME - A separator for a fuel cell includes a metal separator (metal substrate) having projections formed by ribs, and porous members provided in a plurality of flow passages partitioned by the projections, in which a hydrophilic portion is provided in a center part of a cross section orthogonal to a flow direction in the porous member, and a water repellent portion is provided in at least a part of portions in contact with wall surfaces of the flow passage within a range of the cross section.05-03-2012
20120107720SELF-SUPPORTING DYNAMIC POLYMER MEMBRANE, METHOD OF PREPARATION, AND USES - The present invention relates to self-supporting dynamic polymer membranes (called “dynamer” membranes) of the polyimine type, to their method of preparation and to their use in separation processes, especially for separating gaseous CP species.05-03-2012
20110171561COMPOSITION WITH ENHANCED PROTON CONDUCTIVITY - A composition showing enhanced proton conductivity comprising at least a polymer with an ionizable group (A) containing a proton and carbon nanostructures functionalized with ionizable group (B) containing a proton is disclosed where A and B are same or different.07-14-2011
20100279200Polymer electrolyte membrane and fuel cell comprising same - The present invention relates to an electrolyte membrane comprising an aluminum-based compound for a high-temperature fuel cell, and a polymer electrolyte membrane fuel cell comprising the electrolyte membrane. In particular, the present invention relates to an electrolyte membrane for a high-temperature fuel cell where an aluminum-based compound is added as an anionic-binding substance in the conventional electrolyte for a fuel cell, thereby improving electrochemical stability of a fuel cell and increasing cation yield of proton by preventing the elution of anions caused by water generation on electrodes, and a high-performance polymer electrolyte membrane fuel cell comprising the electrolyte membrane.11-04-2010
20100279201PROTON EXCHANGE MEMBRANE AND CELL COMPRISING SUCH A MEMBRANE - A cell of a fuel cell comprises an anode, a cathode, and between the cathode and the anode, a layer of ceramic including activated boron nitride.11-04-2010
20130216935POLY(BENZIMIDAZOLE-CO-BENZOXAZOLE) AND METHOD FOR PREPARING THE SAME - Provided is poly(benzimidazole-co-benzoxazole) having polybenzimidazole to which benzoxazole units are introduced, as a polymer electrolyte material. The polymer electrolyte material has both high proton conductivity and excellent mechanical properties even when it is obtained by in-situ phosphoric acid doping. The polymer electrolyte material may substitute for the conventional phosphoric acid-doped polybenzimidazole in a polymer electrolyte membrane fuel cell, particularly in a high-temperature polymer electrolyte membrane fuel cell.08-22-2013
20120141914Gas Diffusion Layer Member For Solid Polymer Fuel Cells, and Solid Polymer Fuel Cell - To provide a gas diffusion layer member with a good RH balance.06-07-2012
20120141912FUEL CELL STACK COMPRISING AN IMPERMEABLE COATING - A fuel cell comprises a substantially contaminant free and contaminant impermeable coating disposed on at least one of a cathode, an anode, a gasket, an insulator plate, a cooler plate, a bipolar plate, a gas diffusion media layer, a polymer electrolyte membrane, an end plate, a tie-bolt, and a gas flow manifold. A process of producing a fuel cell and a fuel cell stack component are also disclosed.06-07-2012
20110129760POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING POLYMER ELECTROLYTE MEMBRANE, AND SOLID POLYMER FUEL CELL - A polymer electrolyte membrane having good resistance to radicals is provided. A polymer electrolyte membrane is characterized of containing organic/inorganic hybrid particles in which a surface of an inorganic particle, which is a radical scavenger, is modified with organic compounds in a polymer electrolyte. As the organic/inorganic hybrid particles in which a surface of an inorganic particle is modified with organic compounds, a radical scavenger prepared by reacting inorganic particles with organic compounds in a solvent by supercritical or subcritical hydrothermal synthesis is preferred.06-02-2011
20100136458FUEL FOR FUEL CELL, FUEL CARTRIDGE FOR FUEL CELL AND FUEL CELL - Disclosed is a fuel for fuel cells which contains at least one organic compound selected from the group consisting of methanol, ethanol, dimethyl ether and formic acid, and 1-200 ppm of a hydrocarbon compound in terms of a single component as determined by gas chromatography mass spectrometry. Also disclosed are a fuel cartridge for fuel cells and a fuel cell.06-03-2010
20100136459ELECTROLYTE CONTAINING OXOCARBON MOLECULE AND USE THEREOF - The present invention provides, as an electrolyte which is useful as a material for a proton conductive membrane in a solid polymer fuel cell utilizing a gas fuel such as hydrogen gas or a liquid fuel such as methanol or dimethyl ether and which has higher proton conductivity than the conventional electrolytes do, an electrolyte characterized by containing an oxocarbon molecule, wherein the oxocarbon molecule has a difference in heat of formation ΔE defined as:06-03-2010
20120141913POLYMER ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL, METHOD OF MANUFACTURING THE SAME AND POLYMER ELECTROLYTE FUEL CELL SYSTEM INCLUDING THE SAME - A polymer electrolyte membrane for a polymer electrolyte fuel cell, a method of manufacturing the same, and a polymer electrolyte fuel cell system including the same are disclosed, and the polymer electrolyte membrane includes a hydrocarbon-based proton conductive polymer membrane. The polymer membrane has a surface contact angle ranging from 80° to 180°.06-07-2012
20100297530SEPARATION MEMBRANE FOR FUEL CELL AND PRODUCTION METHOD THEREOF - Disclosed is a process for producing a diaphragm for a fuel cell comprising a modified anion exchange membrane that substantially maintains durability and hydroxide ion conductivity as an electrolyte membrane and has improved resistance to methanol permeation. The process is characterized by comprising the step of impregnating at least one side of a crosslinked hydrocarbon anion exchange membrane with a polymerizable acidic compound having a weight average molecular weight of not less than 700 and less than 8000, provided that, when the acid site in the compound has been neutralized with a counter cation, the weight of the counter cation is subtracted from the molecular weight, and polymerizing the polymerizable acidic compound.11-25-2010
20130137011Ionomers and Methods of Making Same and Uses Thereof - Ionomers comprising ionic groups such as, for example, tetraalkylammonium groups and methods of making such ionomers. For example, the ionomers can be produced by ring opening metathesis polymerization of alkene-containing monomers with tetraalkylammonium groups and, optionally, alkene-containing monomers without tetraalkylammonium groups. The ionomers can be used in applications such as, for example, fuel cell applications.05-30-2013
20110008710MATERIAL FOR CATALYST LAYER FOR POLYMER ELECTROLYTE FUEL CELL - To improve the utilization efficiency of a noble metal catalyst in a catalyst layer of an electrode for a polymer electrolyte fuel cell.01-13-2011
20110014544PROTON EXCHANGE POLYMER MEMBRANE USING SURFACE TREATMENT TECHNIQUE BASED ON DIRECT FLUORINATION, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL COMPRISING THE SAME - A proton exchange polymer membrane whose surface is treated by direct fluorination using a fluorine gas, a membrane-electrode assembly, and a fuel cell comprising the same are provided. The proton exchange polymer membrane of the present invention exhibits improved proton conductivity, high dimensional stability, and decreased methanol permeability through introducing hydrophobic fluorine having high electronegativity to the surface of the polymer membrane. Therefore, the proton exchange polymer membrane with excellent electrochemical properties of the present invention can be preferably utilized as polymer electrolyte membrane for fuel cell, generating electric energy from chemical energy of fuels.01-20-2011
20110033776PROTON EXCHANGE MEMBRANES - The present invention is directed to proton exchange membranes such as for use in fuel cells. In one embodiment, a polyetherquinoxaline is obtained by reaction between a haloquinoxaline and at least one diol, which forms a repeating unit including an ether linkage. The polyetherquinoxaline is suitable for use in a proton exchange membrane, which can be used in a fuel cell.02-10-2011
20110033777PROTON-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) for producing membrane electrode units or so-called PEM fuel cells.02-10-2011
20110244368NORBORNENE-TYPE POLYMERS HAVING QUATERNARY AMMONIUM FUNCTIONALITY - Embodiments of the present disclosure encompass vinyl addition and ROMP polymers having at least one type of repeating unit that encompasses a comprise N10-06-2011
20110244367SEPARATION MEMBRANE FOR FUEL CELL, AND METHOD FOR PRODUCTION THEREOF - Disclosed is a membrane for a fuel cell, which comprises: a polymer electrolyte membrane which comprises a cross-linked anion-exchange resin having a strongly basic anion-exchange group such as a quaternary ammonium salt group, a quaternary pyridinium salt group and a quaternary imidazolium salt group; and a polymer which is attached on at least one surface of the polymer electrolyte membrane and has a weakly acidic group such as a polyacrylic acid. Also disclosed is a method for producing the membrane.10-06-2011
20100190089FUEL CELL - The present invention intends to provide a fuel cell being capable of preventing the methanol crossover in a simple and easy manner and being excellent in fuel utilization rate and the like. A fuel cell 07-29-2010
20110086288FUEL CELL STRUCTURE WITH POROUS METAL PLATE - A fuel cell structure with a porous metal plate includes a membrane electrode assembly (MEA), a first porous metal plate, a metal plate, and a pair of end plates. The first porous metal plate and the metal plate are disposed on opposite outer surfaces of two gas diffusion layers (GDLs) of the MEA, respectively, and have fuel channels contacting with the GDLs. The end plates are arranged on outer surfaces of the first porous metal plate and of the metal plate, respectively, to close cooling-liquid flow channels of the first porous metal plate and of the metal plate. A pressure difference between fuel and cooling liquid within the fuel cell structure pushes the cooling liquid flowing through the cooling-liquid flow channels of the first porous metal plate to seep into the fuel channels spontaneously and hence humidify the fuel automatically, thereby maintaining the reaction efficiency of the fuel cell structure.04-14-2011
20110076595DIRECT OXIDATION FUEL CELL - A direct oxidation fuel cell includes at least one cell. The cell includes a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane disposed between the anode and the cathode. The cell also includes: an anode-side separator being in contact with the anode and having a fuel flow channel for supplying a fuel to the anode; and a cathode-side separator being in contact with the cathode and having an oxidant flow channel for supplying an oxidant to the cathode. The electrolyte membrane includes an ion exchange resin and has an ion exchange capacity per unit volume which is smaller upstream of the fuel flow channel than downstream thereof.03-31-2011
20110070524Diffusion Media, Fuel Cells, and Fuel Cell Powered Systems - In at least certain embodiments, the present invention provides a diffusion media and fuel cells and systems employing the diffusion media. In at least one embodiment, the diffusion media comprises a porous matrix having an outer surface and a hydrophilic polymeric coating on at least a portion of the porous matrix with the hydrophilic coating comprising the cured product of a formulation comprising a hydrophilic monomer.03-24-2011
20100167166HYPER-BRANCHED POLYMER, ELECTRODE INCLUDING THE POLYMER, ELECTROLYTE MEMBRANE INCLUDING THE POLYMER, AND FUEL CELL INCLUDING THE ELECTRODE AND/OR THE ELECTROLYTE MEMBRANE - A hyper-branched polymer that has a dendritic unit, a linear unit, a terminal unit, and a degree of branching of about 0.05 to about 1. The hyper-branched polymer can be included in an electrode and/or an electrolyte membrane of a fuel cell.07-01-2010
20110053042Fluororesin-Coated Polymer Film For Reinforcing Polymer Electrolyte Membrane, Reinforced Polymer Electrolyte Membrane, and Membrane Electrode Assembly - Disclosed is a fluororesin-coated polymer film for reinforcing a polymer electrolyte membrane, wherein the fluororesin-coated polymer film is fabricated by forming on at least one side of a polymer film a coating of a reaction product of (A) a fluorine-containing copolymer composed of a fluoroolefin, a cyclohexyl group-containing acrylic ester, and a hydroxyl group-containing vinyl ether, and (B) a crosslinking agent having two or more isocyanate groups. The polymer film according to the present invention not only exhibits sufficiently high initial adhesion strength, with respect to the polymer electrolyte membrane, but also retains thereafter high adhesion strength in actual operating environments.03-03-2011
20110027691Polymer Membranes - The invention relates to novel organic/inorganic hybrid membranes which have the following composition: a polymer acid containing —SO02-03-2011
20110262837Two-Dimensional Composite Particle Adapted For Use As A Catalyst And Method Of Making Same - The present invention is directed to a composite particle that is microscopically two-dimensional with a third nanoscopic dimension, and to methods of making same. The particle may include a support and a metal layer. The metal layer may be catalytically active such that the particle is adapted to act as a catalyst.10-27-2011
20110008711POLYMER ELECTROLYTE MEMBRANE - A polymer electrolyte membrane, wherein the period length L in the membrane surface direction, which period length is defined by formula (1) and is measured by using a small-angle X-ray diffractometer, is in the range from 52.0 nm to 64.9 nm:01-13-2011
20100330455ADVANCED 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 provided. The stable electrolyte composite material comprises a solid acid component capable of undergoing rotational disorder of oxyanion groups and capable of extended operation at a wide temperature range and a secondary compound with surface hydrogen atoms, which when intimately mixed, results in a composite material with improved conductivity, mechanical and thermal properties, when compared to pure solid acid compound.12-30-2010
20100159354CONDUCTIVE POLYMER, CONDUCTIVE POLYMER COMPOSITIONS AND METHODS FOR THEIR USE - The invention provides an electrolyte comprising an ester-cured alkaline phenolic resole resin containing conducting alkaline salts and methods for the use of the resin.06-24-2010
20110189585ION-EXCHANGE MEMBRANES STRUCTURED IN THE THICKNESS AND PROCESS FOR MANUFACTURING THESE MEMBRANES - Monolayer ion-exchange membrane structured in the thickness comprising ion-exchange sites covalently bonded to a support polymer, the membrane comprising two surface zones located on either side of a mid-zone, each surface zone having a thickness of not more than 15% of the total thickness of the membrane, in which the surface zones have a mean ion-exchange site density D08-04-2011
20100173223Graft Copolymer and Process for Producing the Same - A graft copolymer having a side chain graft-polymerized by atom transfer living radical polymerization (ATRP) on a main chain polymerized by organotellurium-mediated living radical polymerization (TERP), wherein the molecular weight distribution is such that Mw/Mn is 1.5 or less. The graft copolymer is also such that a main chain moiety mainly consisting of the main chain and a side chain moiety mainly consisting of the side chain have microphase-separated structures. The graft copolymer has a narrow molecular weight distribution and forms microphase-separated structures through self organization of hydrophobic and hydrophilic moieties.07-08-2010
20110305971SOLID POLYMER ELECTROLYTE MATERIAL, LIQUID COMPOSITION, SOLID POLYMER FUEL CELL AND FLUOROPOLYMER - A solid polymer electrolyte material made of a copolymer comprising a repeating unit based on a fluoromonomer A which gives a polymer having an alicyclic structure in its main chain by radical polymerization, and a repeating unit based on a fluoromonomer B of the following formula (1):12-15-2011
20110305970CHEMICALLY LINKED HYDROGEL MATERIALS AND USES THEREOF IN ELECTRODES and/or ELECTROLYTES IN ELECTROCHEMICAL ENERGY DEVICES - A chemically linked catalyst-binder hydrogel material comprised of a water-insoluble chemical hydrogel is useful in, for example, fuel cells, batteries, electrochemical supercapacitors, semi-fuel cells etc. The water-insoluble chemical hydrogel is prepared by a chemical cross-linking reaction between a polymer (such as PVA or chitosan or gelatin) and an aqueous cross-linking agent such as glutaraldehyde, which is catalyzed by protic acid under ambient conditions of temperature and pressure.12-15-2011
20120148939ANION EXCHANGE MEMBRANE - An anion exchange membrane includes a quaternary ammonium salt group in which two methyl groups, and one alkyl group having 3 to 8 carbon atoms are bonded to a nitrogen atom.06-14-2012
20120148938CONDUCTIVE COMPOSITION AND METHOD OF PREPARATION, POLYMER THEREOF, AND ELECTRODE, ELECTROLYTE MEMBRANE AND FUEL CELL INCLUDING THE COMPOSITION OR POLYMER - A conductive composition, a polymer obtained from the conductive composition, a method of preparing the composition, an electrode and electrolyte membrane of a fuel cell, each including at least one of the composition and the polymer, and a fuel cell including at least one of the composition and the polymer. The conductive composition includes at least one benzoxazine-based compound with a conductive functional group and a cross-linkable compound. A composition including a conductive functional group and a polymer that is a polymerization product of the composition demonstrates good resistance to chemicals, heat, and acid. An electrode for fuel cells that includes the same demonstrates improved electrical conductivity.06-14-2012
20100248077CATALYST INK, METHOD FOR PREPARING THE SAME, METHOD FOR STORING THE SAME, AND FUEL CELL - A catalyst ink for preparing a catalyst layer of a solid polymer electrolyte fuel cell, wherein the ratio of the sum of the weights of an organic aldehyde and an organic carboxylic acid relative to the total weight of the catalyst ink is 0.20% by weight or less.09-30-2010
20110318671Proton-conducting membrane and use thereof - The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, owing to its excellent chemical and thermal properties, be used for a variety of purposes and is particularly suitable as a polymer-electrolyte membrane (PEM) for the production of membrane electrode units for so-called PEM fuel cells.12-29-2011
20120003564PROCESS FOR PRODUCING POLYMERIC ELECTROLYTE MEMBRANE - Disclosed is a method for producing a polymer electrolyte membrane, which comprises the steps of: removing a part of a salt component produced during polycondensation from a polymerization solution of a polymer electrolyte having a density of an ionic group of 2 mmol/g or more directly by centrifugal separation, thereby preparing a coating solution; applying the coating solution on a substrate by casting; removing a part of a solvent from the coating solution to form a film-shaped material on the substrate; and bringing the film-shaped material on the substrate into contact with water and/or an aqueous acidic solution to remove the salt component produced during the polycondensation. According to the method for producing an electrolyte membrane, even an electrolyte having a high density of an ionic group can be purified. Also disclosed is an electrolyte membrane capable of being used in a fuel cell which is operated at a high temperature higher than 80° C. and under low humidity conditions having a relative humidity of 60% or less.01-05-2012
20110165498MANUFACTURE METHOD FOR POLYMER ELECTROLYTE FUEL, AND POLYMER ELECTROLYTE FUEL CELL MANUFACTURED BY THE METHOD - A protective layer (07-07-2011
20110165497Method for Mitigating Fuel Cell Chemical Degradation - A composite membrane for fuel cell applications includes a support substrate with a predefined void volume. The void volume is at least partially filled with an ion conducting polymer composition that includes an additive that inhibits polymer degradation. Characteristically, the ion conducting polymer composition includes a first polymer with a cyclobutyl moiety and a second polymer that is different than the first polymer.07-07-2011
20120058415CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF03-08-2012
20120058414METHOD FOR PREPARING MEMBRANE-ELECTRODE ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY PREPARED THEREFROM AND FUEL CELL COMPRISING THE SAME - Provided is a method for producing a membrane-electrode assembly for a full cell, comprising: preparing catalyst ink slurry from a catalyst, an ion conductive polymer and a solvent; applying the catalyst ink slurry onto a support film, followed by vacuum drying; and transferring the support film to either surface or both surfaces of an electrolyte membrane to form a catalyst layer on the electrolyte membrane. A membrane-electrode assembly obtained by the method and a fuel cell including the membrane-electrode assembly are also provided. The method provides a membrane-electrode assembly having increased porosity, and thus the membrane-electrode assembly shows significantly reduced mass transfer resistance. Therefore, the output density and the quality of the fuel cell including the membrane-electrode assembly prepared therefrom can be improved.03-08-2012
20110091792FUEL CELL AND METHOD OF MANUFACTURE THEREOF - Provided are a fuel cell making it possible to make contact pressures high between its electrode layers and its metallic layers and others, thereby improving the power of the cell, and a method for manufacturing the cell. A fuel cell of the invention comprises a solid polymer electrolyte layer (04-21-2011
20110081600CARBON-TITANIUM OXIDE ELECTROCATALYST SUPPORTS FOR OXYGEN REDUCTION IN PEM FUEL CELLS - A high surface area support material is formed of an intimate mixture of carbon clusters and titanium oxide clusters. A catalytic metal, such as platinum, is deposited on the support particles and the catalyzed material used as an electrocatalyst in an electrochemical cell such as a PEM fuel cell. The composite material is prepared by thermal decomposition and oxidation of an intimate mixture of a precursor carbon polymer, a titanium alkoxide and a surfactant that serves as a molecular template for the mixed precursors.04-07-2011
20110065020PROTON-CONDUCTING MEMBRANE AND ITS USE - A proton-conducting polymer membrane comprising at least one polyazole, at least one ionic liquid and at least one compound of the formula (P1)03-17-2011
20120164557METHOD FOR PRODUCING A POLYMER ELECTROLYTE MEMBRANE - A method for producing a polymer electrolyte membrane having a strong acid group or a superstrong acid group is provided. The method includes casting on a support a polymer electrolyte solution containing from 0.0005 to 2 parts by weight of a phosphate ester represented by formula (11) and/or a salt between an amine represented by formula (12) and a phosphate ester represented by formula (11), with respect to 100 parts by weight of a polymer electrolyte; heating the solution until a solvent of the solution is evaporated to form a self-supporting membrane; and removing the self-supporting membrane from the support.06-28-2012
20120164556POLYBENZOXAZINES, ELECTROLYTE MEMBRANE COMPRISING THE SAME, AND FUEL CELL EMPLOYING THE ELECTROLYTE MEMBRANE - Crosslinked polybenzoxazines obtained by crosslinking a monofunctional first benzoxazine monomer and a multifunctional second benzoxazine monomer with a crosslinkable compound, an electrolyte membrane including the same, a method of preparing the electrolyte membrane, a fuel cell including the electrolyte membrane having the crosslinked polybenzoxazines using the method. The crosslinked polybenzoxazines have strong acid trapping capability, improved mechanical properties, and excellent chemical stability as it does not melt in polyphosphoric acid. Even as the amount of impregnated proton carrier and the temperature are increased, mechanical and chemical stability is highly maintained, and thus the electrolyte membrane can be effectively used for fuel cells at a high temperature.06-28-2012
20120122016Fuel Cell Durability Through Oxide Supported Precious Metals in Membrane - A fuel cell includes an anode, a cathode, and an ion conducting membrane interposed between the anode and cathode. The ion conducting membrane includes a base layer that has an ion conducting polymer and additive layer that has a metal supported on an oxide support, the oxide support scavenging hydroxyl radicals formed during fuel cell operation.05-17-2012
20110183236PROCESS FOR PRODUCTION AND USE OF FUEL CELL ELECTRODES - The invention provides catalysts that are not corroded in acidic electrolytes or at high potential, have excellent durability and show high oxygen reducing ability. In a process of producing fuel cell electrodes containing a metal oxide and an electron conductive substance, the process includes steps in which a sugar is applied and carbonized on a support layer supporting the metal oxide and the electron conductive substance.07-28-2011
20110183235BIPOLAR PLATE WITH REDUCED COOLANT VOLUME AND ASYMMETRIC HEAT REMOVAL - A bipolar plate assembly is described. The coolant passage on either the anode side or the cathode side includes a material having a low thermal conductivity. Fuel cells containing the bipolar plate assembly and methods of making the bipolar plate assembly are also described.07-28-2011
20120135333ORGANIC/INORGANIC COMPOSITE BLEND MEMBRANE COMPOSITIONS OF POLYELECTROLYE BLENDS WITH NANOPARTICLES - The invention relates to composite blend membranes formed from blends of one or more polyelectrolytes, and one or more types of nanoparticles. Preferably the blend also includes one or more fluoropolymers. The addition of the nanoparticles was found to enhance the conductivity and mechanical properties of the membranes.05-31-2012
20120135332FUEL CELLS HAVING IMPROVED DURABILITY - A fuel cell or a fuel cell stack component comprises an active area and a non-active area. A peroxide decomposing metal compound or metal alloy is disposed in or on the non-active area of a fuel cell or a fuel cell component. The metal compound or alloy is capable of providing a peroxide decomposing metal species that can migrate from the non-active area to an active area of a fuel cell. A fuel cell or membrane electrode assembly having a peroxide decomposing metal compound or alloy disposed in its non-active area exhibits improved durability.05-31-2012
20120077109CERAMIC POROUS SUBSTRATE, REINFORCED COMPOSITE ELECTROLYTE MEMBRANE USING THE SAME AND MEMBRANE-ELECTRODE ASSEMBLY HAVING THE SAME - The present invention relates to a ceramic porous substrate, a reinforced composite electrolyte membrane using the same, and a membrane-electrode assembly having the same. The ceramic porous substrate comprises: a porous polymer base; and void structures formed on the surface of the porous polymer base by linking the space of the inorganic nanoparticles using a polymer binder or a silane-based inorganic binder. The ceramic porous substrate has improved mechanical properties compared to the porous polymer substrate alone, and the void structures thereof can be controlled in various ways.03-29-2012
20100297529Process for producing hybrid ion-exchange membranes comprising functional inorganics and graft polymer and electrolyte membranes for use in fuel cells comprising the hybrid ion-exchange membranes - Polymer ion-exchange membranes having outstanding electrical conductivity, water retention and oxidation resistance are produced by the steps of uniformly mixing an organic high-molecular weight resin with functional inorganics having the abilities to promote graft polymerization of polymerizable monomers, adsorb water and conduct protons, irradiating the resulting functional inorganics/polymer membrane to initiate graft polymerization or graft copolymerization of polymerizable monomers having functional groups, and then introducing sulfonic acid groups into the graft chains.11-25-2010
20100203422PROTON SELECTIVE MEMBRANE FOR SOLID POLYMER FUEL CELLS - A proton selective membrane for solid polymer electrolyte fuel cells that is produced by providing one or more template molecules, providing one or more functional monomers to interact with the template molecules, providing a cross-linking agent(s) to covalently bond polymer chains created with the template molecules and functional monomers by polymerization, providing an initiating agent to start a chemical reaction which results in an imprinted polymer, and removing the template molecules from the imprinted polymer to create a proton selective membrane.08-12-2010
20120258382ADDITIVES TO MITIGATE CATALYST LAYER DEGRADATION IN FUEL CELLS - Ligand additives having two or more coordination sites in close proximity can be used in the polymer electrolyte of membrane electrode assemblies in solid polymer electrolyte fuel cells in order to reduce the dissolution of catalyst, particularly from the cathode, and hence reduce fuel cell degradation over time.10-11-2012
20110123901NANO-MATERIAL CATALYST DEVICE - A catalyst member can comprise nano-scale nickel particles. The catalyst member can be used for a plurality of different uses, for example, electrodes of a fuel cell or an electrolysis device. The nano-scale nickel particles can be sintered or combined in other manners to form the desired shape.05-26-2011
20110003234Polymer Composition, Polymer Membrane Comprising the Polymer Composition, Process for Preparing it and Fuel Cell Comprising the Membrane - A polymer composition comprising (a) a polybenzimidazole derived from (a1) at least one bis-(ortho-diamino) aromatic compound and (a2) at least one aromatic carboxylic acid or derivative thereof, each containing at least two acid groups and at least one hydroxyl group in α-position of a carboxylic group; (b) orthophosphoric acid; and (c) polyphosphoric acids of the formula (I): HO[P(O)(OH)]01-06-2011
20120321992COMPOSITE ELECTROLYTE MEMBRANE FOR FUEL CELL, METHOD OF MANUFACTURING THE MEMBRANE, AND FUEL CELL INCLUDING THE MEMBRANE - A composite electrolyte membrane for a fuel cell with a controlled phosphoric acid-based material retention ratio. The composite electrolyte membrane includes an electrolyte membrane containing a compound having a phosphoric acid-based material-containing functional group. Also disclosed are a method for manufacturing the composite electrolyte membrane, and a fuel cell including the composite electrolyte membrane.12-20-2012
20120321993PROTON CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE HAVING EXCELLENT OXIDATION RESISTANCE, AND PROCESS FOR PRODUCING THE SAME - The process for producing a proton conductive polymer electrolyte membrane of the present invention includes the steps of: irradiating resin fine particles with radiation; graft-polymerizing a vinyl monomer having a sulfonic acid group precursor and a vinyl monomer having a carbonyl group equivalent with the resin fine particles in a solid-liquid two-phase system to obtain a finely particulate graft polymer; preparing a casting solution of a polymer having a phosphoric acid group or a phosphonic acid group and the graft polymer, and forming a cast membrane from this solution; drying the cast membrane to obtain a film; converting the sulfonic acid group precursor into a sulfonic acid group; and forming a crosslinked structure between the carbonyl group equivalents. In the solid-liquid two-phase system, a liquid phase includes the vinyl monomers and a solvent for the monomers, and a solid phase includes the resin fine particles. By this process, a proton conductive polymer electrolyte membrane having high oxidation resistance, and a process capable of producing this membrane industrially are provided.12-20-2012
20110045383FUEL CELL - The present invention relates to a fuel cell exhibiting a high performance regardless of the humidification conditions. In short, it is a fuel cell comprised of a proton-conducting electrolyte membrane sandwiched between a pair of catalyst layers, wherein a catalyst layer of at least a cathode contains a catalyst ingredient, electrolyte material, and carbon material; the carbon material is comprised of three types of materials of a catalyst-supporting carbon material supporting the catalyst ingredient, a conductivity-aiding carbon material not supporting the catalyst ingredient, and a gas-diffusing carbon material not supporting the catalyst ingredient; the catalyst layer is comprised of two phases of a catalyst aggregated phase having the catalyst-supporting carbon material supporting the catalyst ingredient and the conductivity-aiding carbon material not supporting the catalyst ingredient aggregated as main ingredients and a gas-diffusing carbon material aggregated phase having the gas-diffusing carbon material not supporting the catalyst ingredient aggregated as a main ingredient; and the catalyst aggregated phase is a continuous phase while the gas-diffusing carbon material aggregated phase is dispersed in the catalyst aggregated phase.02-24-2011
20120270141NITROGEN-CONTAINING AROMATIC COMPOUNDS AND METAL COMPLEXES - To provide nitrogen-containing aromatic compounds with excellent oxygen reduction activity, metal complexes containing them, and catalysts and electrodes employing the same, the present invention provides an aromatic compound satisfying the following conditions (a) and (b): 10-25-2012
20110236793Highly Stable Fuel Cell Membranes and Methods of Making Them - A solid polymer electrolyte membrane having (a) an ion exchange material and (b) dispersed in said ion exchange material, a hydrogen peroxide decomposition catalyst bound to a carbon particle support, wherein the hydrogen peroxide decomposition catalyst comprises (i) polyvinylphosphonic acid and (ii) cerium.09-29-2011
20110236792FUEL CELL AND METHOD FOR MANUFACTURING SAME - In a fuel cell of the present invention, a gas diffusion layer (09-29-2011
20110236791ANODE CATALYST LAYER FOR POLYMER ELECTROLYTE FUEL CELL - An object of the present invention is to optimize an anode catalyst layer such that high output performance can be achieved even under low-humidity conditions. In addition, another object of the present invention is to provide a polymer electrolyte fuel cell having such an anode catalyst layer.09-29-2011
20110236790SYSTEM, METHODS AND MATERIALS FOR STORING AND RETRIEVING HYDROGEN - A system for storing and retrieving elemental hydrogen. The system includes a housing, a hydrogen storage element enclosed within the housing and having a solid-state hydrogen storage material, and a control system for regulating storage of hydrogen into and retrieval of hydrogen from the storage material. At least a portion of the storage material is a porous matrix material having atoms of a first element capable of bonding with more than one hydrogen atom per atom of the first element, and atoms of a second element capable of molecularly bonding to atoms of the first element and hydrogen. Different atoms of the first element have bond sites available for different numbers of hydrogen atoms at different levels of bonding energy. The atoms of the second element are bonded to those atoms of the first element having bond sites for more than one hydrogen atom.09-29-2011
20100233578Process for the Electrochemical Catalysts of Fuel Cells Based on Polymer Electrolytes - The present invention relates to a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells. With the process of the present invention, high catalyst activity while uniformly supporting a large amount of metal particles on a surface of a support can be achieved. Also, the present invention provides a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells capable of using a small amount of toxic solvent without an additional high-temperature hydrogen annealing.09-16-2010
20100233577Nano-material catalyst device - A catalyst member comprising a blended mixture of nano-scale metal particles compressed with larger metal particles and sintered to form a structurally stable member of any desired shape. The catalyst member can be used in one of many different applications; for example, as an electrode in a fuel cell or in an electrolysis device to generate hydrogen and oxygen.09-16-2010
20120088183FUEL CELL AND FUEL CELL STACK - In a solid polymer electrolyte membrane [film] type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane [film], and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 04-12-2012
20120088182NANO-MATERIAL CATALYST DEVICE - A catalyst member can comprise nano-scale nickel particles. The catalyst member can be used for a plurality of different uses, for example, electrodes of a fuel cell or an electrolysis device. The nano-scale nickel particles can be sintered or combined in other manners to form the desired shape.04-12-2012
20100151351 MONOMERS AND POLYMERS CARRYING IMIDAZOLE AND BENZIMIDAZOLE GROUPINGS, AND PROTON EXCHANGE MEMBRANE CONTAINING THE SAME FOR THE PRODUCTION OF A FUEL CELL - The invention relates to a monomer (06-17-2010
20100167165COPOLYMER, POLYMER ELECTROLYTE, AND USE THEREOF - The present invention is a copolymer obtained by condensation, a condensation reaction of a leaving group and a nucleophilic group, of a mixture of the following (A) and (C) with a mixture of (B) and (D), or of a mixture of (A), (B), (C) and (D): 07-01-2010
20130011766FUEL CELL ASSEMBLY - A polyelectrolyte membrane fuel cell apparatus, includes a backing plate, a top clamping plate, at least one in-plane planar fuel cell assembly interposed between the top plate and the backing plate, and a current collector foil interposed between the planar fuel cell(s) and the top clamping plate, the current collector foil including an electrically non-conductive foil having a pattern of electrically conductive material provided thereon on the side facing the planar fuel cell. The fuel cell apparatus is held together by spot welds between the top clamping plate and the backing plate.01-10-2013
20110159405Hydrophilic Polyelectrolyte Membranes Containing Poly(Vinyl Acetate) and Poly(Vinyl Alcohol) - An ion conducting membrane for fuel cell applications includes a combination of a polyvinyl polymer and an ion conducting polymer that is different than the polyvinyl polymer. The ion conducting membrane of this embodiment is able to operate in fuel cells at elevated temperatures with minimal external humidification. A fuel cell incorporating the ion conducting membrane between a first and second catalyst layer is also provided.06-30-2011
20110159404Polyolefin Support to Prevent Dielectric Breakdown in PEMS - A fuel cell includes a first catalyst layer and a second catalyst layer. An ion conducting membrane is interposed between the first and second catalyst layers. The ion conducting layer includes a polyolefin support structure and an ion conducting polymer at least partially penetrating the polyolefin support structure. A set of electrically conducting flow field plates are in communication with the first and second catalyst layers.06-30-2011
20130022893COMPOSITION, COMPOSITE MEMBRANE PREPARED FROM COMPOSITION, FUEL CELL INCLUDING THE COMPOSITE MEMBRANE, AND METHOD OF MANUFACTURING THE COMPOSITE MEMBRANE - A composite membrane containing a composite material including an azole-based polymer and a compound represented by Formula 3 below, a method of preparing the composite membrane, and a fuel cell including the composite membrane:01-24-2013
20130095411FLUORINE CONTAINING IONOMER COMPOSITE WITH ION EXCHANGE FUNCTION, PREPARATION METHOD AND USE THEREOF - Provided is a composite which is comprised of one or more ion exchange resin(s) and fluorine containing polymer fiber, wherein the fiber and the film-forming resin form a triazine-ring crosslinked structure, so that the film prepared from the composite is of good airtightness and stability, as well as high ion exchange capacity and high conductivity. The preparation method of the composite, the product prepared from this composite and the use thereof are also provided.04-18-2013
20110217621PROCESS TO PRODUCE CATALYST COATED MEMBRANES FOR FUEL CELL APPLICATIONS - A process for forming a catalyst coated membrane by placing layered sandwich between two synchronously-driven, resilient, thermally conductive belts and transferring completely a first electrocatalyst layer adhered to a first flexible substrate and a second electrocatalyst layer adhered to a second flexible substrate to ionomeric polymer membrane.09-08-2011
20110217620POLYMER MEMBRANES, PROCESSES FOR PRODUCTION THEREOF AND USE THEREOF - The invention relates to improved polymer membranes, to processes for production thereof and to the use thereof.09-08-2011
20100297528ALKYLATED BISPHENOL-BASED COMPOUND AND PREPARATION, SULFONATED POLYARYLENE SULFONE POLYMER PREPARED FROM THE COMPOUND, AND FUEL CELL USING THE POLYMER - An alkylated bisphenol-based compound, a method of preparing the same, sulfonated polyarylene sulfone polymer prepared from the alkylated bisphenol-based compound, a method of preparing the polymer, and a fuel cell using the sulfonated polyarylene sulfone polymer.11-25-2010
20100316931Electrocatalyst, Fuel Cell Cathode and Fuel Cell - The present invention is related to fuel cells and fuel cell cathodes, especially for fuel cells using hydrogen peroxide, oxygen or air as oxidant. A supported electrocatalyst (12-16-2010
20100316932FUEL CELL MEMBRANE ELECTRODE ASSEMBLY - Fuel cell membrane electrode assemblies and fuel cell polymer electrolyte membranes are provided comprising bound anionic functional groups and polyvalent cations, such as Mn or Ru cations, which demonstrate increased durability. Methods of making same are also provided.12-16-2010
20110287336ELECTRICAL CONDUCTIVE MEMBER AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - An electrical conductive member includes: an electrical conductive structure including: a substrate (11-24-2011
20120021335Laminate and Method For Producing Same - The present invention provides a laminate in which a layer containing an ion-exchange resin is combined with a release film which exhibits satisfactory releasability of the layer containing an ion-exchange resin. The laminate according to the present invention is produced by laminating a layer containing an ion-exchange resin on a release film made of a cycloolefinic copolymer.01-26-2012
20130196251HYBRID MEMBRANES CONTAINING TITANIUM DIOXIDE DOPED WITH FLUORINE - Hybrid membranes based on crystalline titanium dioxide containing fluorine atoms within the crystalline lattice comprising atoms of titanium and oxygen are described; these hybrid membranes are particularly suitable for the production of fuel cells and electrolysers. The titanium dioxide contained in them may be produced by a process comprising the following stages: (a) a titanium ore is reacted with a NH08-01-2013
20130202987Multi-Layer Polyelectrolyte Membranes - A multilayer polyelectrolyte membrane for fuel cell applications includes a first perfluorocyclobutyl-containing layer that includes a polymer having perfluorocyclobutyl moieties. The first layer is characteristically planar having a first major side and a second major side over which additional layers are disposed. The membrane also includes a first PFSA layer disposed over the first major side of the first layer and a second PFSA layer disposed over the second major side of the first layer.08-08-2013
20120301813SOLID POLYMER ELECTROLYTE MATERIAL, LIQUID COMPOSITION, SOLID POLYMER FUEL CELL AND FLUOROPOLYMER - A solid polymer electrolyte material made of a s copolymer comprising a repeating unit based on a fluoromonomer A which gives a polymer having an alicyclic structure in its main chain by radical polymerization, and a repeating unit based on a fluoromonomer B of the following formula (1):11-29-2012
20120094211POLYAZOLE-CONTAINING COMPOSITION - Composition in the form of a solution and/or dispersion, comprising: 04-19-2012

Patent applications in class Polymeric material (e.g., proton exchange membrane (PEM), etc.)

Patent applications in all subclasses Polymeric material (e.g., proton exchange membrane (PEM), etc.)