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US20130224624 PROTON 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...
US20100304273 PROTON CONDUCTING MEMBRANES FOR FUEL CELLS HAVING A PROTON GRADIENT AND METHODS FOR PREPARING SAID MEMBRANES  
A proton exchange membrane for a fuel cell, comprising a graft (co)polymer comprising a main chain and grafts comprising at least one proton acceptor group and at least one proton donor group.
US20120178000 Electrochemical devices based on multiple junction ionic conductive membranes  
A fuel cell (100) includes a cation exchange membrane (110), a first anion exchange membrane (120) and a second anion exchange membrane (130). The cation exchange membrane (110) has a first side...
US20130045436 POROUS MEMBRANE, ELECTROLYTE MEMBRANE INCLUDING SAME, METHODS OF MANUFACTURING BOTH, AND FUEL CELL INCLUDING AT LEAST ONE OF THE MEMBRANES  
A porous membrane with pores that includes a polymerization product of a polyazole-based material, an electrolyte membrane including the porous membrane with a proton-conductive polymer provided...
US20080038612 Localized Deactivation Of A Membrane  
A method including providing an ion conductive membrane and deactivating a selected region of the membrane.
US20080160356 Metal-Organic Solids for Use in Proton Exchange Membranes  
Methods for making and using metal-organic solids for use in proton exchange membranes. These proton exchange membranes may also be used in fuel cell applications.
US20110033778 POLYMER 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...
US20090136820 PROTON EXCHANGE MEMBRANE AND MEMBRANE-ELECTRODE ASSEMBLY (MEA), METHOD FOR THEIR PRODUCTION AND FUEL CELL USING SAID MEMBRANE OR ASSEMBLY  
A proton exchange membrane for electrolyte cells includes a polyelectrolyte polymer membrane comprising a sulfonated copolymer based on the following formula (I): wherein n is an integer between 1...
US20140199611 PROTON-CONDUCTING MEMBRANE, METHOD FOR THEIR PRODUCTION AND THEIR USE IN ELECTROCHEMICAL CELLS  
The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and...
US20120115050 METHOD FOR IN-SITU PREPARATION OF POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE AND POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE PREPARED THEREBY  
Disclosed is a method for in-situ preparation of a polybenzimidazole-based electrolyte membrane, including: polymerizing a polybenzimidazole polymer in a solution; casting a solution containing...
US20090226790 METHOD FOR PRODUCING SOLID ELECTROLYTE STRUCTURE, METHOD FOR PRODUCING ALL-SOLID-STATE CELL, SOLID ELECTROLYTE STRUCTURE, AND ALL-SOLID-STATE CELL  
A first fine particle-containing solution is deposited on an appropriate substrate, and dried to form a first fine particle aggregate layer. Polymer particles are deposited on the first fine...
US20070190384 Proton conductive membrane containing fullerenes  
A proton conducting membrane for use in a direct methanol fuel cell, comprising a polymer material and water-binding fullerene derivatives to reduce MeOH crossover. The membrane may further...
US20100003578 ENERGY CONVERTER AND/OR ENERGY STORAGE DEVICE WITH FLUORINE-ABSORBING CASING  
The present invention relates to a energy converter ad/or energy storage device, including one or more energy converter and/or energy storage units, such as fuel cells and/or battery units. The...
US20130295488 POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME, AND FUEL CELL USING THE SAME  
Provided are a polymer electrolyte membrane exhibiting a relatively high ion conductivity, and a method for producing the polymer electrolyte membrane. The polymer electrolyte membrane of the...
US20120219873 PROTON EXCHANGE MEMBRANE FUEL CELL  
This invention relates to fuel cells, particularly proton exchange membrane fuel cells, more particularly to proton exchange membrane fuel cells employing nanocomposite sulphonated...
US20110159406 SUPERCONDUCTING ELECTROLYTIC HYBRID MATERIAL, AND PREPARATION METHOD AND USES THEREOF  
The present invention relates to a novel superconducting hybrid polymer material and to the preparation method and uses thereof, particularly for proton superexchange membranes usable as fuel cell...
US20130316268 ION EXCHANGE MEMBRANE FILLING COMPOSITION, METHOD OF PREPARING ION EXCHANGE MEMBRANE, ION EXCHANGE MEMBRANE, AND REDOX FLOW BATTERY  
A composition for filling an ion exchange membrane including a first aromatic vinyl monomer having a halogenated alkyl group or a quaternary ammonium salt group, a method of preparing the ion...
US20080063917 Electrolyte Membrane-Electrode Assembly, Fuel Cell Using The Same, And Method For Producing Electrolyte Membrane-Electrode Assembly  
Disclosed is an electrolyte membrane-electrode assembly wherein a hydrocarbon-based solid polymer electrolyte membrane is sandwiched between a pair of electrodes. In this electrolyte...
US20080102339 Process for Preparing Proton-Conducting Clay Particles and Composite Material Comprising Such Particles  
The invention relates to a process for preparing proton-conducting clay particles, successively comprising the following steps: a) a step of activating a clay powder, comprising a step in which...
US20110053043 NANOSTRUCTURED POLYMER MEMBRANES FOR PROTON CONDUCTION  
Polymers having an improved ability to entrain water are characterized, in some embodiments, by unusual humidity-induced phase transitions. The described polymers (e.g., hydrophilically...
US20120115065 ION-CONDUCTIVE COMPOSITE ELECTROLYTE, MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME, ELECTROCHEMICAL DEVICE USING MEMBRANE-ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING ION-CONDUCTIVE COMPOSITE ELECTROLYTE MEMBRANE  
Provided are an ion-conductive composite electrolyte that improves ionic conductivity, a membrane-electrode assembly and an electrochemical device using the same, and a method for producing an...
US20080286629 CHEMICALLY CROSS LINKED IONOMER MEMBRANE  
The invention provides cross-linked polymer electrolyte membranes (PEM's), catalyst coated proton exchange membranes (CCM's) and membrane electrode assemblies (MEA's) that are useful in fuel cells...
US20140072900 Metal Ionophores in PEM Membranes  
A membrane electrode assembly for fuel cells includes a proton conducting membrane having a first side and a second side. The proton conducting membrane in turn includes a first polymer including...
US20070292730 Multiblock Copolymers Containing Hydrophilic Hydrophobic Segments for Proton Exchange Membrane  
Novel multiblock copolymers containing perfluorinated poly(arylene ether) as a hydrophobic segment and disulfonated poly(arylene ether sulfone) as a hydrophilic segment are provided. The...
US20110000615 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...
US20110027692 PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, METHOD OF MANUFACTURING THE PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE  
A method of manufacturing a proton-conductive polymer electrolyte membrane using polyvinyl alcohol (PVA) as a base material and having excellent proton conductivity and methanol blocking...
US20130084516 Poly(Methyl Methacrylate) Additive to Polyelectrolyte Membrane  
An ion-conducting membrane for fuel cells includes an ion-conducting polymer having protogenic groups and poly(methyl methacrylate). Characteristically, the ion-conducting layer is planar having a...
US20120058416 PROTON-CONDUCTIVE COMPOSITE ELECTROLYTE MEMBRANE AND PRODUCING METHOD THEREOF  
A composite electrolyte membrane of the present invention includes a porous body composed of an inorganic substance and an electrolyte material. The porous body includes therein plural spherical...
US20080038614 Proton-conducting electrolyte membrane, production process thereof, and membrane-electrode assembly and fuel cell using the same  
The present invention provides an electrolyte membrane capable of inhibiting permeation of water, methanol or other electrolyte solutions, permeation of hydrogen and oxygen gas, and swelling...
US20060115695 Bisphenol compound and aromatic polyaryl ether  
A novel bisphenol compound comprising an alkylsulfonic acid and/or an alkali metal salt thereof is disclosed. The novel bisphenol compound is preferably represented by the chemical formula shown...
US20050130024 Proton conductive composition and proton conductive membrane  
The invention provides a proton conductive membrane which, even when reduced in thickness, does not allow penetration of an electrode to prevent a short circuit between electrodes and which...
US20060263661 PROTON CONDUCTOR AND ELECTROCHEMICAL DEVICE  
A proton conductor is provided. The proton conductor includes a zwitterion salt such as MeImPrSO3 and a proton (H+) donor such as HTFSI. An electrochemical device having a stacked layer structure...
US20110223518 PROTON-CONDUCTIVE COMPOSITE ELECTROLYTE, MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME, AND ELECTROCHEMICAL DEVICE USING MEMBRANE-ELECTRODE ASSEMBLY  
Provided are a proton-conductive composite electrolyte, a membrane-electrode assembly, and a fuel cell in which an improvement of the proton conductivity, and suppression of crossover and...
US20120225361 COMPOSITE PROTON CONDUCTING ELECTROLYTE WITH IMPROVED ADDITIVES FOR FUEL CELLS  
Additives can be used to prepare polymer electrolyte for membrane electrode assemblies in polymer electrolyte fuel cells in order to improve both durability and performance. The additives are...
US20080070094 Organic/inorganic composite electrolyte membranes using zeolite and fuel cell comprising the same  
Disclosed is an organic/inorganic composite electrolyte membrane comprising: (a) a sulfonated fluorine-free hydrocarbon-based polymer; and (b) inorganic particles capable of collecting moisture,...
US20090297911 POLYELECTROLYTE MEMBRANES AND METHODS FOR MAKING  
A polymer electrolyte membrane includes a porous base membrane and electrolytes dispersed within the pores of the base membrane. The electrolytes include metal oxide compounds having acid...
US20150171454 MEMBRANE WITH LAMINATED STRUCTURE AND ORIENTATION CONTROLLED NANOFIBER REINFORCEMENT ADDITIVES FOR FUEL CELLS  
An ion-conducting membrane for fuel cell applications a first layer including a first ion-conducting polymer and nanofibers dispersed therein. The first layer includes a first side and a second...
US20110059387 HIGHLY PROTON CONDUCTIVE CROSSLINKED VINYLSULFONIC ACID POLYMER ELECTROLYTE COMPOSITE MEMBRANES AND ITS PREPARATION METHOD FOR POLYMER ELECTROLYTE FUEL CELLS  
A highly proton conductive polymer electrolyte composite membrane for a fuel cell is provided. The composite membrane includes crosslinked polyvinylsulfonic acid. The composite membrane is...
US20050031927 Polyelectrolyte membrane, method for its production and fuel cell using said polyelectrolyte membrane  
A polyelectrolyte membrane includes at least one syndiotactic styrenic polymer or copolymer in its clathrate form. The syndiotactic styrenic polymer or copolymer in its clathrate form is...
US20120129076 Novel Sulfonic Acid Group-Containing Segmented Block Copolymer and Use Thereof  
Disclosed is a proton exchange membrane for use in fuel cells, which not only has improved proton conductivity and resistance to swelling caused by hot water but also has greater durability when...
US20130130150 ELECTROLYTE MEMBRANE FOR FUEL CELL, METHOD OF MANUFACTURING THE ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING THE ELECTROLYTE MEMBRANE, AND FUEL CELL INCLUDING THE MEMBRANE-ELECTRODE ASSEMBLY  
An electrolyte membrane for fuel cells, the electrolyte membrane including a polymer film and a polymerization product of a composition comprising i) a plurality of inorganic particles...
US20150228887 HIGHLY CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE COMPRISING IONIC LIQUID  
The present invention relates to a highly conductive electrolyte comprising an ionic liquid and to a polymer electrolyte membrane using same, and more particularly, to a highly conductive polymer...
US20140004445 BILAYER COMPLEX PROTON EXCHANGE MEMBRANE AND MEMBRANE ELECTRODE ASSEMBLY  
A bilayer complex proton exchange membrane and a membrane electrode assembly are provided. The bilayer complex proton exchange membrane includes a first complex structure and a second complex...
US20070145352 Endohedral fullerene derivative, proton conductor and fuel cell  
With regard to a solid polymer based fuel cell, an electrolyte membrane for conducting proton between a fuel electrode and an air electrode is conventionally made from a material obtained by...
US20140329162 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,...
US20090117428 Condensation device for a fuel cell  
A condensation device for a fuel battery provides a condensation main member. The condensation main member has an opening at two lateral sides thereof and one of the lateral sides is joined to a...
US20130052564 POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL  
A polymer electrolyte membrane which exhibits superior high-temperature operability and a fuel cell and the like comprising the polymer electrolyte membrane are provided. In an aspect, the present...
US20110262835 POLYMER ELECTROLYTE MEMBRANE BASED ON POLYAZOLE  
Proton-conducting polymer electrolyte membrane based on a polyazole salt of an inorganic or organic acid which is doped with an acid as electrolyte, wherein the polyazole salt of the organic or...
US20070148519 COMPOUND, SOLID POLYMER ELECTROLYTE MEMBRANE, ELECTROLYTE MEMBRANE-ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL  
An unsaturated compound including a urethane bond in a main chain and a sulfonic acid group, a phosphoric acid group, an alkylsulfonic acid group, or an alkylphosphoric acid group on a benzene...
US20080026276 Proton-Conducting Material, Solid Polymer Electrolyte Membrane, and Fuel Cell  
A proton-conducting material with superior proton conductivity under non-humidified conditions or low-moisture conditions, and with high thermal and chemical stabilities that can be produced...

Matches 1 - 50 out of 253 1 2 3 4 5 6 >