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6699613 |
Fuel cell having sealant for sealing a solid polymer electrolyte membrane
The fuel cell of the present invention comprises: a membrane electrode assembly having a solid polymer electrolyte membrane, an anode side diffusion electrode (an anode electrode, and a second...
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6696189 |
Direct methanol fuel cell system including an integrated methanol sensor and method of fabrication
A fuel cell system and method of forming the fuel cell system including a base portion, formed of a singular body, and having a major surface. At least one fuel cell membrane electrode assembly is...
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6692856 |
High throughput screening device for combinatorial chemistry
A high throughput screening device for combinatorial chemistry, comprising a membrane electrode assembly, an array of sensor electrodes and one or more common electrodes, wherein a total...
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6692861 |
Carbon-oxygen fuel cell
The present invention relates to a fuel cell that use carbon and oxygen as fuel sources. In particular, the fuel cell comprises a carbon-containing anode, an electrolyte and a solid state cathode....
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6689505 |
Electrocatalyst for fuel cells
Electrocatalyst which are formed of a carbon support, which is a carbon black with an H content of >4000 ppm and, as the catalytically active component, platinum or bi- or multi-metallically...
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6689711 |
Methods of producing oxygen reduction catalyst
Methods of making an oxygen reduction catalyst are described in which carbon black, one or more metal-containing and/or nitrogen-containing precursor(s) are provided to a reaction zone, and the...
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6682837 |
Method for producing electricity using a platinum-ruthenium-palladium catalyst in a fuel cell
A method for producing electricity using a fuel cell that utilizes a ternary alloy composition as a fuel cell catalyst, the ternary alloy composition containing platinum, ruthenium and palladium....
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6677073 |
Non-woven fiber webs
A novel non-woven fiber web comprising a plurality of first fibers orientated in the x-, y-, and optionally z-directions, said first fibers being bonded with a polymeric substance, characterised in...
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6673130 |
Method of fabrication of electrodes and electrolytes
Fuel cell stacks contain an electrolyte layer surrounded on top and bottom by an electrode layer. Porous electrodes are prepared which enable fuel and oxidant to easily flow to the respective...
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6673127 |
Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer membranes
An ion beam-assisted deposition process for preparing a membrane-electrode structure is described wherein a layer of liquid ionomer is applied to the surface of a carbon cloth gas diffusion...
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6667127 |
Fluid diffusion layers for fuel cells
Fluid diffusion layers with favorable mechanical and electrical properties are prepared for fuel cell electrodes by impregnating a porous carbonaceous web with a carbonizable polymer having...
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6663999 |
Method of fabricating an assembly comprising an anode-supported electrolyte, and ceramic cell comprising such an assembly
Electrochemical cell on the basis of electrode-supported thin electrolyte includes an anodic support ( 1 ) consisting of a nickel/zirconia material and an electrolyte layer ( 3 ) disposed that...
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6660424 |
Fuel cell and method of manufacture thereof
The specification discloses a fuel cell comprising stacked unit cells, each of the unit cells including a pair of electrodes having a catalytic reaction layer and a gas diffusion layer, an...
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6660423 |
Direct methanol fuel cell including a water management system and method of fabrication
A fuel cell device and method of forming the fuel cell device including a base portion, formed of a singular body, and having a major surface. At least one fuel cell membrane electrode assembly...
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6656870 |
Tungsten-containing fuel cell catalyst and method of making same
A tungsten-containing fuel cell catalyst having high electrochemical activity and its method of making are described. The tungsten-containing catalyst may be formed in situ in a fuel cell after the...
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6654229 |
Electrode material for electric double layer capacitor and electric double layer capacitor using the same
An electrode material for an electric double layer capacitor having a carbon fiber as an essential material. The carbon fiber has a coaxial stacking morphology of truncated conical tubular graphene...
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6653009 |
Solid oxide fuel cells and interconnectors
Solid oxide fuel cells made by coating a slurry of an electrolyte having a limited amount of organic material onto a carrier tape, depositing a one or two layer electrode material on the tape...
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6649300 |
Electrode catalyst and electrochemical devices using the same
An electrode catalyst for fuel cells which comprises a conductive carbon, platinum supported on the conductive carbon in an amount of from 20% by mass to 70% by mass based on the mass of the...
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6649299 |
Gas diffusion electrode with nanosized pores and method for making same
A porous gas diffusion electrode for polymer electrolyte membrane fuel cells. The electrode contains an electrocatalyst, a polymer electrolyte and nanosized pores. The pores are formed using...
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6635376 |
Solid oxide fuel cell having composition gradient between electrode and electrolyte
A solid oxide fuel cell and method of making same is disclosed. An electrolyte layer of an oxide ion conductor material that may be specified by La 1−a A a Ga 1−(b+c)B b Co c O 3 and an air...
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6630269 |
Fuel cell
A fuel cell, comprising a housing, at least one first proton-conducting layer covered by catalyst layers on both sides, gas-permeable electrodes on the catalyst layers and second layers arranged on...
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6630267 |
Solid oxide fuel cells with symmetric composite electrodes
The present invention relates to electrode/electrolyte assemblies for solid oxide fuel cells (SOFCs) comprising a thin electrolyte sheet interposed between opposite electrodes, and wherein the...
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6613471 |
Active material for fuel cell anodes incorporating an additive for precharging/activation thereof
A hydrogen storage alloy active material for the anode of Ovonic instant startup/regenerative fuel cells. The active material includes a hydrogen storage alloy material with a water reactive...
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6610432 |
Impregnation of microporous electrocatalyst particles for improving performance in an electrochemical fuel cell
A method is provided for treating electrocatalyst particles and using the treated electrocatalyst for improving performance in an electrochemical fuel cell. The treatment method comprises...
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6593023 |
Battery and method of making the same
A method of making a battery having a cathode includes contacting carbon particles with an oxidizing agent, such as, for example, an inorganic acid, an organic acid, or an oxidizing gas, and...
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6589685 |
Fuel cell electrode catalyst solution and production method therefor
The invention improves operability in forming a catalyst electrode, and improves performance of a fuel cell. A catalyst-loaded carbon is dispersed in a mixed solution of an azeotropic solvent and...
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6582846 |
Method for preparing fuel cell component substrate of flexible graphite material having improved catalytic properties
A method enables preparation of a stock or starting material having improved catalytic properties. These materials will be useful in the formation of articles adapted for use in electrochemical...
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6569554 |
Fuel cell battery with a stack of planar cells
The fuel cell battery, which contains a stack of planar cells, has the following features: a) Electrochemically active plates—so-called PENs—and interconnectors are arranged in an alternating...
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6562446 |
Multi-layer polymer electrolyte-membrane, electrochemical apparatus and process for the preparation of multi-layer polymer electrolyte membrane
A multi-layer polymer electrolyte membrane having a polymer electrolyte layer and a porous polymer electrolyte layer with three dimensional network pores on the former polymer electrolyte layer is...
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6548203 |
Cathode composition for solid oxide fuel cell
A high performance electrocatalyst is based on transition metal perovskites of praseodymium, samarium, terbium or neodymium which react with YSZ to form a product which is itself active as the...
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6548202 |
Carbon-supported catalysts for fuel cells
Carbon-supported catalysts are frequently employed in the electrodes of solid polymer fuel cells in order to make efficient use of the catalyst therein. The catalyst utilization in the electrode...
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6544676 |
Internal reforming molten carbonate fuel cell with membrane for intercepting carbonate vapor
An internal reforming molten carbonate fuel cell having a membrane for intercepting carbonate vapor and hydrated vapor is disclosed. The intercepting membrane is made from nickel or nickel alloy...
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6541149 |
Article comprising micro fuel cell
Improved micro fuel cells suitable for portable electrical devices are provided, and processes for forming such cells. In one embodiment of the invention, silicon substrates are used both as the...
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6531240 |
Gas diffusion substrates
A novel gas diffusion substrate comprising a porous structure and a filler material, characterised in that the filler material comprises a base filler material which is electrically conducting and...
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6528199 |
Graphite article useful as an electrode for an electrochemical fuel cell
A graphite article in the form of a flexible graphite sheet having transverse fluid channels passing through the sheet and a groove formed in one of the surfaces of the sheet communicating with a...
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6517962 |
Fuel cell anode structures for voltage reversal tolerance
In a solid polymer fuel cell series, various circumstances can result in a fuel cell being driven into voltage reversal by other cells in the series stack. For instance, cell voltage reversal can...
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6517963 |
Carbon monoxide filter
A fuel cell system includes a fuel cell having an electrode, and an electrochemical cell having a device. The electrochemical cell includes a cathode, an anode in fluid communication with the...
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6511767 |
Carbon based electrodes
A carbon based electrode for the electrochemical reduction of sulfur or oxygen, which comprises an electrode core and, in electrical contact therewith, a structure comprising a porous particulate...
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6511768 |
Electrode substrate for electrochemical cells based on low-cost manufacturing processes
This invention relates to electrode substrates for electrochemical cells, particularly low-temperature fuel cells, and processes for their production. Graphitized fiber web structures are used that...
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6512667 |
Supercapacitors and method for fabricating the same
Using thin-films of iron oxide as the active material of electrodes, supercapacitors are fabricated on various substrates in different shapes. By chemical oxidation the iron-oxide film is formed...
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6503655 |
Gas diffusion electrode and its production
A thin, flat, and porous carbon gas diffusion electrode having a side in contact with a supply of gas and a side in contact with an electrolyte, comprises a pyrolysis product of a composite of an...
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6500401 |
Carbon foams and methods of making the same
A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the...
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6498121 |
Platinum-ruthenium-palladium alloys for use as a fuel cell catalyst
A noble metal alloy composition for a fuel cell catalyst, a ternary alloy composition containing platinum, ruthenium and palladium. The alloy shows increased activity as compared to well-known...
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6492045 |
Corrugated current collector for direct internal reforming fuel cells
A fuel cell corrugated current collector having successive spaced rows of corrugations, with the corrugations in a given row establishing successive peak and valley regions along the given row and...
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6485855 |
Active solid polymer electrolyte membrane in solid polymer type fuel cell and process for the production thereof
An active solid polymer electrolyte membrane in a solid polymer type fuel cell comprises a solid polymer electrolyte membrane and a plurality of precious metal catalyst particles supported on the...
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6482763 |
Suboxide fuel cell catalyst for enhanced reformate tolerance
The present invention provides fuel cell electrode catalysts comprising alternating platinum-containing layers and layers containing suboxides of a second metal, where the catalyst demonstrates an...
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6479182 |
Fuel cell electrode assembly with selective catalyst loading
A membrane electrode assembly is provided. More particularly, an assembly is provided which includes a pair of electrodes and an ion exchange membrane having opposed major surfaces positioned...
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6479183 |
Base material for a fuel battery
A material for a base tube of a fuel battery, comprising a mixture of at least two components selected from the group consisting CaO, ZrO 2 , NiO, MgO, SrO, Al2O3, TiO2, and BaO. Such material...
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6475249 |
Method for manufacturing membrane electrode assembly of fuel cell
A method for manufacturing a membrane electrode assembly of a fuel cell by solvent pretreatment to the electrolyte membrane of the membrane electrode assembly is disclosed. A prepared electrolyte...
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6465119 |
Fuel cell array apparatus and method of fabrication
A fuel cell array apparatus and method of forming the fuel cell array apparatus including a base portion, formed of a singular body, and having a major surface. At least two spaced apart membrane...
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