Matches 251 - 300 out of 477 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6004688 Solid oxide fuel cell and doped perovskite lanthanum gallate electrolyte therefor  
A perovskite lanthanum gallate electrolyte doped with strontium and magnesium and a solid oxide fuel cell incorporating a doped lanthanum gallate electrolyte with a cathode on one side, an anode on...
6001500 Cylindrical proton exchange membrane fuel cells and methods of making same  
The present invention provides a method of manufacturing a cylindrical fuel cell comprising: providing an anode comprising a substantially solid cylindrical porous conductive matrix, said anode...
5998058 Porous support layer for an electrochemical cell  
An improved porous support layer is disclosed for use in an electrochemical cell such as a fuel cell having a proton exchange membrane ("PEM") as an electrolyte. In a preferred embodiment the...
5998056 Anode substrate for a high temperature fuel cell  
In an anode structure for a high temperature fuel cell which has a non-catalytic phase and a catalytic phase with respect to methane-vapor reforming reactions, a substrate with a bi-polar plate...
5993989 Interfacial material for solid oxide fuel cell  
Solid oxide fuel cells having improved low-temperature operation are disclosed. In one embodiment, an interfacial layer of terbia-stabilized zirconia is located between the air electrode and...
5989741 Electrochemical cell system with side-by-side arrangement of cells  
An electrochemical cell system including an anode compartment and a cathode compartment separated by a membrane and electrode structure. This structure has an anode surface with a plurality of...
5983488 Sol-casting of molten carbonate fuel cell matrices  
A process for manufacture of molten carbonate fuel cell matrices in which an aluminate precursor material and a lithium salt are mixed in an aqueous or organic solvent, resulting in formation of a...
5968673 Solid electrolyte thin film and method for producing the same  
The present invention relates to a solid electrolyte thin film and a manufacturing method for the same. The solid electrolyte thin film of the present invention comprises yttrium stabilized...
5958616 Membrane and electrode structure for methanol fuel cell  
The invention provides devices and techniques for reducing or eliminating fuel crossover from the anode to the cathode in fuel cells using organic fuels. The invention particularly provides proton...
5955215 Bipolar electrode-electrolyte unit  
A bipolar electrode-electrolyte unit for an electrochemical cell includes a barrier layer, at least two carrier layers and at least two active layers, and an electrolyte. The active layers comprise...
5952119 Fuel cell membrane humidification  
A polymer electrolyte membrane fuel cell assembly has an anode side and a cathode side separated by the membrane and generating electrical current by electrochemical reactions between a fuel gas...
5945231 Direct liquid-feed fuel cell with membrane electrolyte and manufacturing thereof  
An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and...
5935643 Method for manufacturing electrode for fuel cell  
There is disclosed a method for manufacturing an electrode for phosphate type fuel cells, utilizing a combination of a coating process and a rolling process. Carbon paper is waterproofed to give an...
5928808 Fibrous electrochemical feed cells  
The subject invention relates to an electrochemical cell in which a fiber containing electrode, a membrane separator, the electrolyte, the second electrode or electrocatalyst of the second...
5925477 Assembly of single cells to form a diaphragm electrode unit  
The invention relates to an assembly of flat single cells consisting of a lid polymer electrolyte and electrode areas applied to both sides thereof into a diaphragm electrode unit in which 2 to...
5919583 Membranes containing inorganic fillers and membrane and electrode assemblies and electrochemical cells employing same  
Cation exchange membranes, made from polymer having cation exchange groups and containing inorganic filler, exhibit reduced fuel crossover for fuel cells employing direct feed organic fuels such as...
5908713 Sintered electrode for solid oxide fuel cells  
A solid oxide fuel cell fuel electrode is produced by a sintering process. An underlayer is applied to the electrolyte of a solid oxide fuel cell in the form of a slurry, which is then dried. An...
5906716 Metallized cation exchange membrane  
Metallized cation-exchange membrane The present invention relates to a membrane/electrode composite comprising a membrane comprising a polymeric cation exchanger containing carboxylic acid,...
5885729 Hydrophilic, graphite fuel cell electrode for use with an ionomer membrane and method of making a fuel cell.  
The present invention includes a gas-permeable, hydrophilic, graphite fuel cell electrode for use in conjunction with an ionomer membrane. The fuel cell electrode includes a roughened, interstitial...
5882810 Active layer for membrane electrode assembly  
Described is a membrane electrode assembly having an ion exchange membrane, and at least two active layers positioned on the same side of the membrane; wherein the active layers containing...
5873988 Multilayer electrode for electrolysis cell  
The invention relates to a multilayer electrode with a porous core structure produced by sintering and composed of an electrically conducting material for an electrolysis cell, especially with a...
5861222 Gas diffusion electrode for membrane fuel cells and method of its production  
A porous gas diffusion electrode for membrane fuel cells on an ion-conducting polymer. The electrode contains a finely divided electrocatalyst which is dispersed in a proton-conducting ionomer and...
5853911 Electrochemical cell  
In the electrochemical cell comprising a housing in which two diffusion electrodes are arranged which contain active catalyst particles and at whose rears in each case a contiguous compartment for...
5846669 Hybrid electrolyte system  
A hybrid electrolyte system for fuel cells and other electrochemical reactors comprising an acid electrolyte, a base electrolyte, and a proton permeable dense phase separating the acid electrolyte...
5795669 Electrode  
An electrode comprises a first catalytic component active at gas-phase reaction sites and a second catalytic component active at electrochemical reaction sites wherein each catalytic component is...
5795666 Modular power station for the production primarily of hydrogen from solar energy and a method of generating electric energy  
A modular power station for the production primarily of hydrogen from solar energy. A conversion module converts solar energy into biomass which is gasified in a gasification module and the...
5795671 Fuel cell having electrolyte layer held between anode and cathode  
A fuel cell having a plurality of stacked single cells in each of which an electrolyte layer is held between an anode and a cathode and between which a separator is interposed, wherein the...
5728485 Electrode for polymer electrolyte electrochemical cell and process of preparing same  
Disclosed an electrode for a polymer electrolyte electrochemical cell which comprises catalyst supports carrying catalyst particles, a first solid polymer electrolyte layer insoluble in water and...
5723086 Electrode membrane  
The present invention relates to electrode membranes which comprise an ion-exchange material forming a core zone, with electrodes bonded thereto on both sides, the ion exchange material being...
5709786 Sintered solid electrolyte having a high oxygen-ion conductivity  
A sintered layer system, includes an ion-conductive solid electrolyte layer which has a high oxygen ion conductivity and which is comprised of a solid electrolyte material comprising at least one...
5702837 Bonding materials for anode to anode bonding and anode to interconnect bonding in solid oxide fuel cells  
An anode/anode bonding material for anode to anode material bonding in SOFC stacks, and an anode/interconnect bonding material for anode material to interconnect material bonding in SOFC stacks are...
5660941 Catalyst assembly for internal reforming fuel cell  
A catalyst assembly for placement in the anode compartment of an internally reforming fuel cell. The anode compartment includes a current collector having peak regions with spacer regions...
5650058 Electrolytic cell and capillary gap electrode for gas-developing or gas-consuming electrolytic reactions and electrolysis process therefor  
The invention includes an electrolytic cell for gas-developing or gas-consuming electrolytic reactions and processes, and an electrolysis process therefor. According to the invention, the capillary...
5645952 Method and apparatus for charging and discharging electric energy  
A method and apparatus for storing and producing electrical energy in an electrochemical cell, where the cathode is a porous air electrode and the anode is a hydrogen-containing metal hydride....
5643690 Molten carbonate fuel cell  
There is proposed a molten carbonate fuel cell of high performance and long life which is provided with an oxidizing gas side-collector plate having on its surface a non-stoichiometric composite...
5620807 Flow field assembly for electrochemical fuel cells  
An electrochemical fuel cell having a membrane electrode assembly and a layer of an electrically conductive porous material adjacent thereto which has at least two portions with different mean pore...
5618392 Gas diffusion electrode  
Disclosed herein is a gas diffusion electrode comprising a reaction layer and a gas diffusion layer attached to each other characterized in that a plurality of apertures or a concave convex surface...
5608181 Electric power generating element  
In an electric power generating element, either positive or negative electrode includes a composition containing an organic compound as a main agent and the positive electrode has an electrically...
5595676 Fluorinated polymers  
A fluoroorganic polymeric material which comprises a polymeric chain and at least one group pendent from the polymeric chain, in which the group pendent from the polymeric chain comprises at least...
5589287 Molten carbonate fuel cell  
In a molten carbonate fuel cell having an anode a cathode which are both porous gas-diffusion electrodes, and an electrolyte making contact with both the electrodes, the cathode includes a metal...
5582624 Process for producing molten-carbonate fuel cells  
The invention provides a process for producing the cathode layer of a molten-carbonate fuel cell in which the cathode layer is present in a layer arrangement with a matrix layer and an anode layer....
5580673 Carbonate fuel cell matrix  
A carbonate fuel cell matrix comprising support particles and crack attenuator particles which are made platelet in shape to increase the resistance of the matrix to through cracking. Also...
5558948 Fuel cell anode and fuel cell  
A nickel anode electrode component comprised of a support member and a porous coherent member formed from a non-sintered nickel alloy constituent. The support member and porous coherent member are...
5529856 Fuel cell having solidified plasma components  
Fuel cells, fuel cell components, and other electrochemical devices and components fabricated by plasma spraying. Devices such as fuel cells may be made by plasma spraying and then assembling...
5523177 Membrane-electrode assembly for a direct methanol fuel cell  
A direct methanol fuel cell (DMFC) contains a membrane electrode assembly (MEA) including an anode porous electrode structure which can operate on a liquid or vapor methanol/water feed in the...
5508127 Solid oxide fuel cells  
A solid fuel cell for high temperature operation including a refractory solid electrolyte, an anode and a cathode both in intimate contact with the electrolyte and an electronically conducting...
5500292 Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrode  
The polymer electrolyte type hydrogen-oxygen fuel cell of the present invention comprises an oxygen electrode and a hydrogen electrode, a polymer electrolyte membrane provided between the oxygen...
5498487 Oxygen sensor for monitoring gas mixtures containing hydrocarbons  
A gas sensor measures O 2 content of a reformable monitored gas containing hydrocarbons H 2 O and/or CO 2 , preferably in association with an electrochemical power generation system. The gas...
5470671 Electrochemical fuel cell employing ambient air as the oxidant and coolant  
An electrochemical fuel cell assembly includes a membrane electrode assembly which comprises an anode, a cathode having a surface thereof exposed to ambient air, and an ion exchange membrane...
5453101 Process for producing composite active electrolyte-matrix and laminated component tapes for molten carbonate fuel cells  
A composite active electrolyte-matrix tape, single laminated active electrolyte-matrix tapes laminate, single electrolyte matrix/cathode tapes laminate, and single composite active...
Matches 251 - 300 out of 477 < 1 2 3 4 5 6 7 8 9 10 >