| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429027000 | Active material electrode-type cell or subcombination thereof | 47 |
| 20080199749 | ORGANIC ANODES FOR HYDROCARBON FUEL CELLS - Novel anodes for hydrocarbon fuel cells are described herein. Embodiments of the anode incorporate free radical initiators to facilitate the electro-chemical reaction kinetics at the anode in hydrocarbon fuel cells. In an embodiment, an anode for a hydrocarbon fuel cell comprises an electrically conductive substrate. The anode further comprises a layer comprising a free radical initiator. The layer is applied to the electrically conductive substrate. In addition, methods of making the anodes are disclosed. | 08-21-2008 |
| 20080248354 | Enzyme Electrode, and Device, Sensor, Fuel Cell and Electrochemical Reactor Employing the Enzyme Electrode - An enzyme electrode has a conductive member and an enzyme, wherein the conductive member has a porous structure, and the enzyme is immobilized through a carrier in pores constituting the porous structure. An enzyme electrode device, comprises the enzyme electrode, and wiring connected to the conductive member of the enzyme electrode. | 10-09-2008 |
| 20080248355 | Hydrogen Storage Material, Hydrogen Storage Structure, Hydrogen Storage, Hydrogen Storage Apparatus, Fuel Cell Vehicle, and Method of Manufacturing Hydrogen Storage Material - A hydrogen storage material including: molecular layers L | 10-09-2008 |
| 20080261094 | STABILIZED ELECTRODES FOR ELECTROCHEMICAL CELLS - Stabilized electrodes for electrochemical cells. An electrochemical cell based on an environmentally benign zirconia stabilized Fe | 10-23-2008 |
| 20080286624 | MICROBIAL FUEL CELLS - A microbial fuel cell is provided according to embodiments of the present invention including electricigenic microbes containing at least about 0.075 milligrams of protein per square centimeter of the anode surface area. In particular embodiments, the electricigenic microbes are disposed on the anode such that at least about 90% of the portion of the anode surface area has a layer of electricigenic microbes, the layer greater than about 1 micron in thickness. This thickness is indicative of the layer including at least a first stratum of electricigenic microbes in direct contact with the anode and a second stratum of electricigenic microbes in direct contact with the first stratum such that the second stratum is in indirect contact with the anode. | 11-20-2008 |
| 20080292931 | Membrane Electrode Assembly for Organic/Air Fuel Cells - The present invention provides a membrane electrode assembly for an organic/air fuel cell comprising a proton exchange membrane, an anode electrode, and a cathode electrode. The proton exchange membrane is made of a highly fluorinated ion-exchange polymer, and it has opposite first and second sides. The anode electrode is comprised of an anode electrocatalyst and a highly fluorinated ion-exchange polymer binder, and the anode electrocatalyst is comprised of platinum and ruthenium supported on particulate carbon. The cathode electrode is comprised of a cathode electrocatalyst and a highly fluorinated ion-exchange polymer binder, and the cathode electrocatalyst is comprised of platinum and cobalt supported on particulate carbon. The invention is also directed to a process for operating such a membrane electrode assembly in an organic/air fuel cell. | 11-27-2008 |
| 20080305375 | Primary Zinc Air Battery and Primary Zinc Air Cell Thereof - A primary zinc air battery includes a case, an air inlet, an air outlet, a plurality of primary zinc air cells, an electric socket and a fan. Both the air inlet and the air outlet are disposed on the case. The primary zinc air cells are disposed in the case and are electrically connected to each other. The electric socket is disposed on the case and is electrically connected to the primary zinc air cells. The fan is disposed in the case. | 12-11-2008 |
| 20080318103 | Fuel Cell System - Provided is a fuel cell system including a polymer electrolyte fuel cell with improved durability, which is capable of suppressing a phenomenon in which a polymer electrolyte membrane is decomposed and degraded. In the fuel cell system including the polymer electrolyte fuel cell including: a membrane electrode assembly including a polymer electrolyte membrane with hydrogen ion conductivity, and a fuel electrode and an oxidant electrode sandwiching the polymer electrolyte membrane; a first separator plate for supplying and discharging a fuel gas to and from the fuel electrode; and a second separator plate for supplying and discharging an oxidant gas to and from the fuel electrode, a metal ion supplying means for supplying metal ions, which are stable in an aqueous solution, to the inside of the membrane electrode assembly in an amount equivalent to 1.0 to 40.0% of the ion exchange group capacity of the polymer electrolyte membrane is disposed. | 12-25-2008 |
| 20090004523 | FUEL CELL AND FUEL CELL STACK - A fuel cell includes an electrolyte electrode assembly and separators. The separator has a fuel gas supply passage, a fuel gas distribution passage, an oxygen-containing gas supply passage, and an oxygen-containing gas distribution passage. The fuel gas flows through the fuel gas supply passage into the separator. The fuel gas distribution passage connects the fuel gas channel and the fuel gas supply passage. The oxygen-containing gas flows through the oxygen-containing gas supply passage into the separator. The oxygen-containing gas distribution passage connects the oxygen-containing gas channel and the oxygen-containing gas supply passage. | 01-01-2009 |
| 20090011305 | Fuel cell system and membrane electrode assembly thereof - A membrane electrode assembly (MEA) of a three-edge configuration is provided for a fuel cell system. The MEA is tailored to have three edges and the three edges are embedded in an open space of a frame. The three-edge MEA is arranged between an anode collector plate and a cathode collector plate of the fuel cell system. A flow field plate is arranged at the anode side of the MEA with the anode collector plate interposed between the flow field plate and the MEA. The flow field plate forms a fuel transporting channel that is delimited by three side walls and has three vertices. The configuration of the fuel transporting channel corresponds in shape to the three-edge configuration of the MEA and is in communication with at least one fuel inlet and at least one fuel outlet corresponding to the fuel inlet. Anode fuel is fed through the fuel inlet into the fuel transporting channel of the flow field plate and then discharged through the fuel outlet whereby the anode fuel carries out catalytic reaction with the MEA. | 01-08-2009 |
| 20090011306 | Conductive Sintered Body, Conductive Member for Fuel Cell, Fuel Cell, and Fuel Cell Apparatus - The invention relates to a conductive sintered body capable of being effectively prevented from reduction-induced expansion, as well as to a conductive member for fuel cell, a fuel cell, and a fuel cell apparatus. The conductive sintered body contains a first composite oxide phase ( | 01-08-2009 |
| 20090011307 | Electrode-Electrolyte Composite Powders For a Fuel Cell And Method For The Preparation Thereof - The present invention provides electrode-electrolyte composite particles for a fuel cell, which have either electrode material particles uniformly dispersed around electrolyte material particles or electrolyte material particles uniformly dispersed around electrode material particles, to enhance the electrode performance characteristics and electrode/electrolyte bonding force, as well as thermal, mechanical and electrochemical properties of the fuel cell, in a simple method without using expensive starting materials and a high temperature process. | 01-08-2009 |
| 20090011308 | Preparation of Gas Diffusion Layer for Fuel Cell - A common method of preparing a gas diffusion layer for a fuel cell has problems in that a microporous layer is impregnated into a substrate, thereby lowering the porosity of the substrate, and cracks are created on a surface of a gas diffusion layer prepared using the method. Provided is a method of reproducibly preparing a gas diffusion layer with a uniform thickness and no cracks based on the principle of a primer coating method, wherein a first microporous layer is hardly impregnated into a substrate and uniformly covers a surface of the substrate, and at least one microporous layer is further coated on the first microporous layer. Provided is also a fuel cell showing improved performance by enhancing utilization of a catalyst layer and guaranteeing a uniform diffusion of fuel and an efficient discharge of a product. | 01-08-2009 |
| 20090017354 | FUEL CELL - The present invention relates to and provides a fuel cell in which sealing can be reliably made for each unit cell, thereby, enabling thinning, facilitating maintenance, and enabling miniaturization and weight reduction, and enabling free shape design. A fuel cell of the present invention is characterized by comprising a sheet-like solid polymer electrolyte | 01-15-2009 |
| 20090023027 | Fuel Electrode Material for Solid Oxide Fuel Cell, Fuel Electrode Using the Same, and Fuel Cell - Disclosed are a material for forming a fuel electrode for solid oxide fuel cell, and a fuel electrode formed using the material. The material enables to obtain a fuel electrode which has good gas permeability while being excellent in electrochemical reactivity, conductivity and durability of such characteristics. In addition, such a fuel electrode does not suffer from damage or destruction due to thermal stress between itself and another component. Specifically disclosed is a nickel-zirconia-ceria fuel electrode material for solid oxide fuel cell, comprising a mixture of a coarse ceria particle group, a fine zirconia particle group, and a nickel oxide particle group; wherein the coarse ceria particle group is a group of ceria particle doped with at least one element selected from yttrium, samarium, gadolinium; the fine zirconia particle group is a group of zirconia particle stabilized by yttria and/or scandia; and average particle sizes of the respective particle groups satisfy a following relation: the coarse ceria particle group>the nickel oxide particle group>the fine zirconia particle group. | 01-22-2009 |
| 20090047557 | Anode exhaust recycle system - A fuel cell system includes a fuel cell stack including at least one fuel cell and a separator. Each fuel cell includes a cathode, an anode and an electrolyte between the cathode and the anode. The separator includes a membrane, and a housing defining an anode exhaust inlet, a recycled gas outlet and an exhaust gas outlet. The anode exhaust inlet and the recycled gas outlet are independently in fluid communication with the anode. The housing and the membrane defines at least in part a first chamber that is in fluid communication with the anode exhaust inlet, and a second chamber. In one embodiment, the membrane is an H | 02-19-2009 |
| 20090047558 | MICRO-MACHINED FUEL CELLS - An improved fuel cell is described. The invention addresses the problem of mechanical failure in thin electrolytes. One embodiment varies the thickness of the electrolyte and positions at least either the anode or cathode in the recessed region to provide a short travel distance for ions traveling from the anode to the cathode or from the cathode to the anode. A second embodiment uses a uniquely shaped manifold cover to allow close positioning of the anode to the cathode. Using the described structures results in a substantial improvement in fuel cell reliability and performance. | 02-19-2009 |
| 20090047559 | FUEL CELL ELECTRODE CATALYST WITH IMPROVED NOBLE METAL UTILIZATION EFFICIENCY, METHOD FOR MANUFACTURING THE SAME, AND SOLID POLYMER FUEL CELL COMPRISING THE SAME - An object of the present invention is to further increase the rate of Pt particles (Pt utilization rate) for three-phase interfaces in order to reduce the amount of catalytic metal such as Pt used for fuel cells. The present invention provides a fuel cell electrode catalyst comprising a conductive carrier and catalytic metal particles, wherein an average particle size of the carried catalytic metal particles is larger than an average pore size of micropores in the conductive carrier. | 02-19-2009 |
| 20090061272 | CERIA AND STAINLESS STEEL BASED ELECTRODES - A cermet anode structure obtainable by a process comprising the steps of: (a) providing a slurry by dispersing a powder of an electronically conductive phase and by adding a binder to the dispersion, in which said electronically conductive phase comprises a FeCrMx alloy, wherein Mx is selected from the group consisting of Ni, Ti, Nb, Ce, Mn, Mo, W, Co, La, Y, Al, and mixtures thereof, (b) forming a metallic support of said slurry of the electronically conductive phase, (c) providing a precursor solution of ceria, said solution containing a solvent and a surfactant, (d) impregnating the structure of step (b) with the precursor solution of step (c), (e) subjecting the resulting structure of step (d) to calcination, and (f) conducting steps (d)-(e) at least once. | 03-05-2009 |
| 20090061273 | FUEL CELL SYSTEM AND METHOD OF STARTING OPERATION OF THE FUEL CELL SYSTEM - A separator includes sandwiching sections for sandwiching electrolyte electrode assemblies. A fuel gas channel and an oxygen-containing gas channel are formed in each of the sandwiching sections. Further, the separator includes first bridges connected to the sandwiching sections and a manifold connected to the first bridges. A fuel gas supply channel is formed in the first bridge for supplying the fuel gas to the fuel gas channel. A fuel gas supply passage extends through the manifold in the stacking direction for supplying the fuel gas to the fuel gas supply channel. At the time of starting operation, the heated air is distributed to the oxygen-containing gas channel and the fuel gas channel through a circumferential portion of the electrolyte electrode assembly. | 03-05-2009 |
| 20090075137 | Filter, hydrogen generator and fuel cell power generation system having the same - A filter, and a hydrogen generator and a fuel cell power generation system having the filter, are disclosed. The filter includes a frame, in which an opening is formed each in two sides; a cover, which is coupled to the opening, and in which at least one hole is formed to allow the gas to pass; and a desiccant, which is filled inside the frame, and which absorbs the moisture. By using such a filter, the backflow of the electrolyte solution, which may occur while generating hydrogen, can be prevented, by passing the hydrogen through a desiccant filled inside a frame, to consequently increase the hydrogen generating efficiency of the hydrogen generator. | 03-19-2009 |
| 20090081510 | SUPPORTED CATALYST, METHOD FOR MANUFACTURING SUPPORTED CATALYST, FUEL CELL, AND METHOD FOR MANUFACTURING FUEL CELL - A supported catalyst includes: a catalyst; and a carbon body. The catalyst is supported on the carbon body, and the carbon body is linear. | 03-26-2009 |
| 20090087709 | CO-CRUSHED MIXTURE OF AN ACTIVE MATERIAL AND OF A CONDUCTIVE MATERIAL, PREPARATION METHODS AND USES THEREOF - A mixture of particles having a carrier based on at least one active material M | 04-02-2009 |
| 20090092873 | Fuel cell stack - There are provided a coupling structure of a fuel cell stack capable of precisely and rapidly assembling a stack by a predetermined height. The fuel cell stack includes a membrane electrode assembly for generating electricity, separators disposed on both sides of the membrane electrode assembly, first and second end plates disposed on both sides an accumulated body of the membrane electrode assembly and the separators, and a coupling device penetrating the first end plate, the membrane electrode assembly, and the separators, and fastened into a fixing hole of the second end plate. The coupling device includes a head, a body, a thread, and a step formed at an interface between the body and the thread such that a cross-sectional area of the body is greater than a cross-sectional area of the thread, and stops the fixing when the step contacts the second end plate. | 04-09-2009 |
| 20090098429 | FUEL CARTRIDGE FOR FUEL CELL, AND FUEL CELL - A fuel cartridge for a fuel cell, includes a fuel receiving container and liquid fuel to be received in the container, wherein the liquid fuel contains at least one type selected from the group consisting of methanol, ethanol and dimethyl ether and at least one organic compound selected from the group consisting of formic acid, formaldehyde, methyl formate, ethyl formate, methyl acetate and ethyl acetate, and a concentration of the organic compound is 40 ppm or more and 1500 ppm or less. | 04-16-2009 |
| 20090104494 | Creep-Resistant Ferritic Steel - Provided is a ferritic steel that is particularly creep-resistant at temperatures from 600 to 1000° C. The ferritic steel comprising precipitations of an intermetallic phase of the Fe | 04-23-2009 |
| 20090136808 | Porous carbon structure, method for preparing same, electrode catalyst for fuel cell, and electrode and membrane-electrode assembly including same - The porous carbon structure according to one embodiment of the present invention includes mesopores, and at least two kinds of macropores having different average pore diameters. The porous carbon structure includes inter-connected pores and thereby increases specific surface area and improves electronic conductivity. | 05-28-2009 |
| 20090136809 | POROUS CARBON FOAM COMPOSITES, APPLICATIONS, AND PROCESSES OF MAKING - Processes for producing porous carbon foam composites and activated carbon/carbon (AC/C) composites from polyimide precursors, activated carbon powder, and optionally carbon fiber and other additives. The AC/C composites may be used for carbon electrodes in electrochemical capacitors. | 05-28-2009 |
| 20090239113 | Alkali metal air battery - A F-type electrochemical cell, which is a lithium air battery, includes a positive electrode facing a negative electrode composed of metallic lithium with a separator provided therebetween in a casing. Air is capable of flow to the positive electrode. A nonaqueous electrolytic solution is charged into a space between the positive electrode and the negative electrode. At least one of the positive electrode and the nonaqueous electrolytic solution of the lithium air battery contains a compound having a stable radical skeleton. The compound also serves as a redox catalyst for oxygen. | 09-24-2009 |
| 20090311567 | HYDROGELS FOR AQUEOUS LITHIUM/AIR BATTERY CELLS - Li/air battery cells are configurable to achieve very high energy density. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. In addition to the aqueous catholyte, components of the cathode compartment include an air cathode (e.g., oxygen electrode) and a variety of other possible elements. | 12-17-2009 |
| 20090311568 | CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND METHOD FOR MANUFACTURING CATALYST LAYER - A catalyst layer that has good long-term water resistance and in which outflow of the hydrophobizing agent present on the catalyst layer surface is prevented, a membrane electrode assembly, a fuel cell, and a method for manufacturing a catalyst layer. The first aspect of the present invention relates to a catalyst layer having a catalyst structural body including platinum and gold, a proton conductive electrolyte, and a siloxane polymer having a hydrophobic group and a group including —SH, wherein a sulfur atom of the group including —SH of the siloxane polymer and the gold of the catalyst structural body are bound by a thiol bond. | 12-17-2009 |
| 20090325017 | AIR BATTERY AND MANUFACTURING METHOD - A battery ( | 12-31-2009 |
| 20100009228 | SOLID OXIDE FUEL CELL WITH TRANSITIONED CROSS-SECTION FOR IMPROVED ANODE GAS MANAGEMENT AT THE OPEN END - A solid oxide fuel cell ( | 01-14-2010 |
| 20100009229 | DIRECT OXIDATION FUEL CELL - The direct oxidation fuel cell of the present invention is provided with: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane interposed between the anode and the cathode; an anode-side separator having a fuel flow channel for supplying fuel to the anode; and a cathode-side separator having an oxidant flow channel for supplying oxidant to the cathode, in which the anode includes an anode catalyst layer disposed at the side of the electrolyte membrane and an anode diffusion layer disposed at the side of the anode-side separator. The anode diffusion layer includes a water repellent layer disposed at the side of the anode catalyst layer and including a first conductive agent and a first water repellent agent; and a substrate layer disposed at the side of the anode-side separator, and the porosity of the substrate layer is higher at the downstream side than at the upstream side of the fuel flow. | 01-14-2010 |
| 20100055524 | FUEL CELL - According to one embodiment, fuel cell includes an anode, into which an aqueous methanol solution is introduced as fuel, includes a current collector and a catalyst layer formed on the current collector, a cathode, into which an oxidizing agent is introduced, includes a current collector and a catalyst layer formed on the current collector, and an electrolyte membrane interposed between the catalyst layer of the anode and the catalyst layer of the cathode. The catalyst layer of at least one of the anode and the cathode contains carbon particles having pores on the surface thereof, catalyst microparticles which are supported by these carbon particles and are finer than the carbon particles, a perfluoroalkylsulfonic acid polymer and a high-molecular compound having a repeating unit of a high-molecular chain fixed to the surface of the carbon particles. | 03-04-2010 |
| 20100075186 | HIGH PERFORMANCE PROTON EXCHANGE MEMBRANE (PEM) FUEL CELL - A fuel cell includes a membrane electrode assembly (MEA), at least one separator plate disposed on a first side of the MEA, and at least one separator plate disposed on a second side of the MEA. The separator plate on the first side of the MEA may form a first group of channels for conducting a first reactant. The separator plate disposed on the second side of the MEA may form a second group of channels for conducting a second reactant. The first group of channels include a first set and a second set of channels alternatively positioned. Each of the first set of channels is positioned adjacent to a channel of the second set. Each of the two sets of channels includes an input controlled by an input valve and an output controlled by an output valve. The first group of channels forms an interdigitated flow field by closing the input valve of one of the two sets of channels and closing the output valve of the other of the two sets of channels, and forms a conventional flow field by opening both the input valve and the output valve. | 03-25-2010 |
| 20100081025 | MATERIAL DESIGN TO ENABLE HIGH MID-TEMPERATURE PERFORMANCE OF A FUEL CELL WITH ULTRATHIN ELECTRODES - A fuel cell including at least one of a hydrophilic interlayer and a flow field treated to impart hydrophilic properties is disclosed, wherein the hydrophilic interlayer and the treated flow field militate against water accumulation in ultrathin electrodes of the fuel cell, particularly for cool-start operating conditions (i.e. about 0° C. to about 60° C.). | 04-01-2010 |
| 20100092824 | FUEL CELL STACK - A separator includes a first fuel gas supply unit, a second fuel gas supply unit, first sandwiching sections, second sandwiching sections, a first case unit and a second case unit. The first and second sandwiching sections are connected to the first fuel gas supply unit and the second fuel gas supply unit, respectively, through first bridges. The first case unit and the second case unit are connected to the first sandwiching sections and the second sandwiching sections through second bridges. A first surface pressure F1 generated near a fuel gas supply passage, a second surface pressure F2 generated near an oxygen-containing gas supply passage, and a third surface pressure F3 generated near electrolyte electrode assemblies have different values. | 04-15-2010 |
| 429028000 | Envelope cathode-type or subcombination thereof | 1 |
| 20090104495 | Electrode assembly for a solid oxide fuel cell and method for making the same - An electrode assembly for a solid oxide fuel cell, the electrode assembly including a porous ceramic oxide matrix and an array of fluid conduits. The porous ceramic oxide matrix includes a labyrinth of reinforcing walls interconnected to one another. Each of the fluid conduits is formed from the porous ceramic oxide matrix and has an external surface with a plurality of struts projecting outwardly therefrom and an internal surface defining a first passage for flowing a first fluid therethrough. The struts are configured to connect the fluid conduits to one another and the external surfaces and the struts define a second passage around the fluid conduits for flowing a second fluid therethrough. | 04-23-2009 |
| 429029000 | And chemically specified electrolyte material | 8 |
| 20080226958 | ELECTROCATALYST COMPOSITIONS AND PROCESSES FOR MAKING AND USING SAME - In a method of producing a particulate electrocatalyst composition, a precursor medium comprising at least a first metal precursor, a liquid vehicle, and a substrate precursor to substrate particles is atomized into precursor droplets. The droplets are then heated to a reaction temperature of not greater than 700° C. to form composite particles comprising said first metal at least partly in an oxide form dispersed on said substrate particles. The composite particles are then collected and are heated at a first treatment temperature no greater than 250° C. in the presence of a reducing atmosphere to at least partly convert said oxide form to the metal. | 09-18-2008 |
| 20080268314 | Membrane-electrode assembly for fuel cell, method of preparing same, and fuel cell system comprising same - A membrane-electrode assembly for a fuel cell, a method of preparing the membrane-electrode assembly, and a fuel cell system including the membrane-electrode assembly are provided. The membrane-electrode assembly includes an anode and a cathode disposed opposite to each other, and a polymer electrolyte membrane interposed between the anode and the cathode. The polymer electrolyte membrane includes surface roughness, and a metal layer randomly formed on at least one side of the membrane. | 10-30-2008 |
| 20080280179 | NOVEL ELECTROLYTE UTILIZING A LEWIS ACID/BRONSTEAD ACID COMPLEX - A proton conducting polymer is described herein which generally comprises a proton donating polymer and a Lewis acid. The Lewis acids may comprise one or more rare earth triflates. The proton conducting polymer exhibits excellent proton conductivity in low humidity environments. | 11-13-2008 |
| 20080318104 | Electrolyte solution for hydrogen generating apparatus and hydrogen generating apparatus comprising the same - The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one chelating agent. The electrolyte solution for hydrogen generating apparatus according to the invention can increase hydrogen generation time and an amount of hydrogen generation by controlling hydrogen generation rate and by reducing an amount of metal hydroxide generation. | 12-25-2008 |
| 20090061274 | DIRECT ALCOHOL FUEL CELLS USING SOLID ACID ELECTROLYTES - Direct alcohol fuel cells using solid acid electrolytes and internal reforming catalysts are disclosed. The fuel cell generally comprises an anode, a cathode, a solid acid electrolyte and an internal reforming catalyst. The internal reforming catalyst may comprise any suitable reformer and is positioned adjacent the anode. In this configuration the heat generated by the exothermic fuel cell catalyst reactions and ohmic heating of the fuel cell electrolyte drives the endothermic fuel reforming reaction, reforming the alcohol fuel into hydrogen. Any alcohol fuel may be used, e.g. methanol or ethanol. The fuel cells according to this invention show increased power density and cell voltage relative to direct alcohol fuel cells not using an internal reformer. | 03-05-2009 |
| 20090075138 | Electrochemical Device And Process For Manufacturing An Electrochemical Device - An electrochemical device includes at least one porous supporting electrode including at least one electronically conducting material and at least one ionically conducting material, said ionically conducting material having an ionic conductivity, at 800° C., not lower than or equal to | 03-19-2009 |
| 20090098430 | MEMBRANE-ELECTRODE ASSEMBLIES AND LONG-LIFE FUEL CELLS - Polymer with high molecular weight which can be obtained by a method, in which a composition is polymerised by free-radical polymerisation which, based on its total weight, comprises at least 80.0% by weight of ethylenically unsaturated compounds, characterized in that the composition contains at least one monomer comprising phosphonic acid groups and/or sulphonic acid groups. | 04-16-2009 |
| 20100159298 | FUEL CELL MEMBRANE ELECTRODE ASSEMBLY WITH MULTILAYER CATHODE - Polymer electrolyte membrane fuel cell membrane electrode assemblies are provided having multilayer cathodes, where a first layer of the cathode which is more proximate to the polymer electrolyte membrane is more hydrophilic than a second more distal layer of the cathode. In some embodiments, the first layer includes a polymer electrolyte having a lower equivalent weight than a polymer electrolyte included in the second layer. | 06-24-2010 |
