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7615311 |
Non-aqueous electrolyte and electrochemical device using the same
This invention relates to a non-aqueous electrolyte including: a first solute; a second solute; and an organic solvent dissolving the first solute and the second solute. The first solute is a salt...
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7615306 |
Membrane electrode assembly for a fuel cell
A membrane electrode assembly (MEA) for a fuel cell, which has a planar polymer membrane. This membrane, in a tangentially inner area, is coated on both sides with electrode structure, and, in a...
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7615300 |
Development of novel proton-conductive polymers for proton exchange membrane fuel cell (PEMFC) technology
New thermally and chemically stable sulfonic acid-containing polymers are synthesized via post-sulfonation of aromatic polymers. These new polymers provide unique benefits to proton exchange...
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7608356 |
Ion conducting polymer membranes
Modified ion-conducting membranes ( 10 ), and a method for making the same, which increases the membrane ( 10 ) surface area, and, optionally, incorporates mono- and multi-metal ion-containing...
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7608350 |
Preparation and storage of membrane and electrode assemblies
Protecting a membrane and electrode assembly in an electrochemical cell having one or more electrocatalysts in intimate contact with the membrane during storage or shipment of the cell. The...
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7604887 |
Electrolyte membrane, membrane electrode assembly using this and fuel cell
The electrolyte membrane of the present invention is an electrolyte membrane ( 1 ) having ionic conductivity that includes a base material ( 2 ) and organic molecules having ion exchange groups,...
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7604886 |
Polymer membrane for fuel cell, method of preparing the same, and stack for fuel cell and fuel cell system comprising the same
The polymer electrolyte membrane of the present invention includes a porous supporter having pores, and a metal ion adsorptive material and a proton conductive polymer which are present in the...
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7604670 |
Electrolyte-electrode joined assembly and method for producing the same
NiO particles and YSZ particles are mixed with each other at a predetermined ratio. A binder is added, followed by being dispersed in a solvent to prepare granular particles by a spray drying...
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7601759 |
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...
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7601449 |
Sulfonated poly(phenylene sulfide) films as polyelectrolyte membranes
Proton conducting membranes are made of sulfonated films comprising poly(arylene sulfide), an olefinic polymer, and an elastomer. They are used in PEM fuel cells operating at temperatures above...
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7601448 |
Polymer electrolyte membrane and fuel cell
A polymer electrolyte membrane having outstanding water resistance and high thermal resistance, moreover having practical strength required for use as a polymer electrolyte membrane of a solid...
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7601447 |
Electrolyte-electrode assembly comprising an isotropic layer
An electrolyte is single crystal composed of La 9.33 Si 6 O 26 in which the crystal is oriented in the c-axis, and the c-axis is in the thickness direction of the electrolyte. In the electrolyte,...
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7601183 |
Method for producing a reversible solid oxide fuel cell
The present invention provides a method for producing a reversible solid oxide fuel cell, comprising the steps of: —providing a metallic support layer; —forming a cathode precursor layer on the...
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7597981 |
Composite electrolyte membrane with nanoscopic dendrimers and method of preparing same
The present invention relates to a composite electrolyte membrane for fuel cells that has high proton conductivity and low fuel permeability even under low humidity conditions and at elevated...
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7597980 |
Sulfonic acid group-containing, proton-conducting polymer composition, a solid electrolyte membrane and a solid polymer fuel cell
A solid electrolyte membrane for solid polymer fuel cells, or the like is provided that is chemically stable in a strong acid atmosphere, and has low methanol cross-over as well as high proton...
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7595121 |
Proton conductive polymer, catalyst composite, electrolyte membrane for fuel cell and fuel cell
The present invention is to provide an electrolyte membrane for fuel cell of low fuel permeability and high proton conductivity and to provide a fuel cell comprising the electrolyte membrane. ...
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7592086 |
Polymer membrane, method of preparing the same, and fuel cell using the same
Provided are a polymer membrane that includes a porous polymer matrix and an acryl-based polymer infiltrated in pores of the porous polymer matrix, a method of preparing the same, and a fuel cell...
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7592085 |
Fuel cell
A fuel cell comprises an anode oxidizing a fuel, a cathode reducing an oxidizing agent, a polymer electrolyte disposed between the anode and the cathode, whereby an assembly is constituted by the...
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7588853 |
Direct methanol fuel cell having reduced crossover of methanol and comprising a layer of material for controlling the diffusion rate of fuel
The present invention relates to a direct methanol fuel cell having reduced methanol crossover. The fuel cell includes a layer of material for controlling the diffusion rate of fuel.
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7588850 |
Polymer membrane for a fuel cell, a method of preparing the same, and a membrane-electrode assembly fuel cell system comprising the same
A polymer electrolyte membrane for a fuel cell, a method of preparing the same, and a fuel cell system comprising the same. The polymer electrolyte membrane includes a metal-bound inorganic...
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7588626 |
Composite mixed oxide ionic and electronic conductors for hydrogen separation
A mixed ionic and electronic conducting membrane includes a two-phase solid state ceramic composite, wherein the first phase comprises an oxygen ion conductor and the second phase comprises an...
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7582713 |
Ion exchange polymer dispersion, process for its production and its use
A thickened ion exchange polymer dispersion is obtained by applying ultrasonic vibration or a shearing force to an ion exchange polymer dispersion having a fluorinated polymer having sulfonic acid...
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7582376 |
Proton conductive polymer and fuel cell using the same
A proton conductive polymer comprising: a methanol exclusive compound unit; and a proton conductive compound unit.
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7582374 |
Method for producing a layer system comprising a metallic carrier and an anode functional layer
The aim of the invention is to produce complete high temperature fuel cells by means of thermal injection processes (e.g. atmospheric plasma injection, vacuum plasma injection, high speed flame...
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7582373 |
Electrolyte film and fuel cell
An electrolyte membrane includes inorganic oxide particles having proton conductivity, and an organic resin or an inorganic matrix component. The inorganic oxide particles having proton...
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7578990 |
Proton conductor and method for manufacturing the same, and electrochemical device
A proton conductor, a method for manufacturing the same, and an electrochemical device using the proton conductor are provided. The proton conductor includes a carbon derivative which has a carbon...
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7576970 |
System and method for storing hydrogen and electrical energy
A hybrid capacitive storage system and method for storing electrical energy and hydrogen comprising at least a first dielectric layer, which dielectric layer is substantially impermeable to...
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7572546 |
Biofuel cell
The present invention discloses a new type of biofuel cell, based on the microbial regeneration of the oxidant, ferric ions. The bio-fuel cell is based on the cathodic reduction of ferric to...
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7572535 |
Ion conductive copolymers containing one or more hydrophobic oligomers
In one aspect, the invention provides ion conductive copolymers comprising (1) a plurality of first oligomers, (2) a plurality of second oligomers, (3) ion conductive monomers and (4) linking...
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7572534 |
Fuel 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...
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7572387 |
Polymer electrolyte medium and direct methanol fuel cell
A polymer electrolyte medium expressed by the following formula (I):
where R 1 in the formula represents an aromatic radical-containing functional group, R 2 represents an alkyl functional...
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7569616 |
Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells
Provided is an electrolyte membrane and a process of producing the same, wherein the electrolyte membrane predominantly comprises an unreinforced outer layer on one or each side of a reinforced...
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7569304 |
Fuel cells and related devices
A solid electrolyte fuel cell component is formed by tape casting an electrolyte layer and electrode layers to form a green tape which can be manipulated. The green tape is coiled into a form...
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7569297 |
Fuel cell membranes and crossover prevention
A membrane electrode assembly for use with a direct organic fuel cell containing a formic acid fuel includes a solid polymer electrolyte having first and second surfaces, an anode on the first...
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7569292 |
Solid oxide fuel cell
The present invention provides an electrolyte membrane of a solid oxide fuel cell that excels in output performance. There is provided a solid oxide fuel cell comprising a single cell having an air...
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7566514 |
Catalyst for cathode in fuel cell
A catalyst particle having high oxygen reduction reactivity and low methanol oxidation reactivity, a supported catalyst comprising the catalyst particle, and a fuel cell using a cathode comprising...
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7563850 |
Polyelectrolyte compositions
An inexpensive and durable polyelectrolyte composition includes both an aromatic polymer containing carbonyl linkages and/or sulfonyl linkages in the backbone chain and bearing cation-exchange...
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7563828 |
Solid state proton conductor system derived from hybrid composite inorganic-organic multicomponent material
A polysesquioxane composition, comprising (i) a polysesquioxane matrix comprising sesquioxane moieties comprising a metallic element; (ii) a hydrophilic component; and (iii) a proton-conducting...
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7563532 |
Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes
A fluorinated ion exchange polymer is prepared by grafting a monomer onto a base polymer, wherein the grafting monomer is selected from the group consisting of structure 1a, 1b and mixture thereof;...
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7563394 |
Pt/CeO2/electroconductive carbon nano-hetero anode material and production method thereof
The conventional Pt/second component/electroconductive carbon type anode materials to be utilized as polymer fuel cell-oriented solid electrolytes and in various sensors have been problematic in...
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7560185 |
Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell
A solid polymer electrolyte is made up of a polymer compound having a hydrocarbon aromatic group in the backbone thereof and including a side chain expressed by FORMULA 1:
wherein “n” is 1,...
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7560184 |
Proton-conducting electrolyte and fuel cell using the same
The invention provides a proton-conducting electrolyte that has excellent proton-conducting properties, heat resistance, and chemical stability without containing any fluorine. The...
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7557166 |
Gel-type polymer electrolyte and use thereof
A gel-type polymer electrolyte, wherein said polymer comprises (A) an ethylene-unsaturated carboxylic acid copolymer or a derivative thereof and (B) a polyalkylene oxide having a hydroxyl group at...
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7556876 |
Polybenzimidazole-benzamide copolymer, process for preparing the same, electrolyte membrane prepared therefrom and process for preparing the same
The present invention relates to a novel polybenzimidazole-benzamide copolymer composed of the repeating units represented by formula 1 which is applicable to the electrolyte membrane of fuel cell...
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7553580 |
Electrode substrate for a fuel cell, a method for preparing the same, and a membrane-electrode assembly comprising the same
An electrode substrate for a fuel cell including a diffusion layer, a first microporous layer that embeds into the diffusion layer, with the first microporous layer having a thickness in the range...
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7550216 |
Composite solid polymer electrolyte membranes
The present invention relates to composite solid polymer electrolyte membranes (SPEMs) which include a porous polymer substrate interpenetrated with a water soluble ion-conducting material. SPEMs...
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7547733 |
Composite proton exchange membrane
An organic/inorganic composite proton exchange membrane (PEM) is disclosed. The PEM includes a proton exchange membrane and a particulate inorganic conductor filler material provided in the proton...
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7544433 |
Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same
The present invention provides an electrode structure for polymer electrolyte fuel cells, inexpensive, and exhibiting excellent power production capacity and durability even under high...
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7541107 |
Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell
An object of the present invention is to provide a highly durable solid polymer electrolyte that has a deterioration resistance equal to or higher than that of the fluorine-containing solid polymer...
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7540991 |
Ion conductive polymer electrolyte membrane and production method for the same
The present invention provides an electrolyte membrane formed of an ion conductive composition. Said composition contains a liquid crystalline polymer having an ionic dissociative group. Molecular...
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