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7125624 |
Fuel cell separator and method of manufacture
A fuel cell separator is molded from a resin composition containing specific amounts of graphite, thermosetting resin and internal release agent. The graphite is a synthetic graphite powder...
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7125623 |
Separator for solid polymer type fuel cell and process for producing the same
A separator for solid polymer-type fuel cell is produced by molding the resin composition which comprises an electroconductive agent and a radical-polymerizable thermosetting resin system by a...
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7122266 |
Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cells
The invention provides an assembly structure for facilitating assembly of laminated cells, for reducing the possibility of gas leakage and for preventing the reduction of generating efficiency of...
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7122258 |
Fuel cell air system and method
The invention provides filtration systems and associated methods for filtering a fuel cell reactant stream of particulate and vapor contaminants. In one embodiment, the invention provides a...
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7122273 |
Light bipolar plate for fuel cell and method for making same
The two-pole plate is relatively lightweight and can be manufactured quickly and easily. It consists of a skeleton made with two thin plates ( 30 ) spaced by blocks ( 34, 45 ) between which a...
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7122267 |
Fuel cell configured with discharge passages that preheat fuel gas and prevent cross leakage
Each of separators for sandwiching a plurality of electrolyte electrode assemblies includes a pair of plates. A fuel gas channel and an oxygen-containing gas channel are formed between the plates....
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7122264 |
Solid electrolyte type fuel battery
A solid electrolyte type fuel battery in which a material for an interconnector for connecting cells of the solid electrolyte type fuel battery comprises a matrix of the general formula MTiO 3 ,...
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7122265 |
Single cell for fuel cell and solid oxide fuel cell
A single cell for a solid oxide fuel cell, in which a solid electrolyte layer is sandwiched by an upper electrode layer and a lower electrode layer. This single cell includes a substrate having...
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7122259 |
Fuel cell startup method
Ice in a fuel cell ( 1 ) is thawed by passing a hot gas flow in a fuel gas passage, oxidizing agent gas passage and cooling liquid passage in the fuel cell ( 1 ), and the fuel cell ( 1 ) is started...
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RE39348 |
Method of using a water transport plate
A water transport plate is provided with optimized physical characteristics to greatly improve fuel cell operation. In a preferred method of manufacturing, graphite powder, reinforcing fibers,...
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7121308 |
Fuel supply device for direct methanol fuel cells
A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a cavity plate formed on the fuel tank, the cavity plate storing liquid fuel transferred from the...
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7118820 |
Method and apparatus for humidification control of an energy recovery device in a fuel cell power plant
An arrangement is provided in a fuel cell power plant ( 10 ) for dispensing ( 58 74, 60, 64 ) a liquid medium, such as water ( 66 ), into a process oxidant (air) stream ( 53 ) that flows through...
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7118819 |
Coolant mixture separator assembly for use in a polymer electrolyte membrane (PEM) fuel cell power plant
A liquid-gas separator assembly is used in separating gas bubbles from a liquid coolant which liquid coolant is used in a polymer electrolyte membrane (PEM) fuel cell power plant. The assembly...
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7118823 |
Airbreathing fuel cell
An airbreathing fuel cell, in which a fuel can be adequately supplied to a cell part from outside even at low fuel pressures and air replacement can be easily performed to provide a stable power...
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7117906 |
Datum based interchangeable fuel cell cartridges
The present invention is directed to a fuel supply adapted to be connected to a host device, such as an electronic device powered by a fuel cell. The fuel supply comprises a front face and at least...
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7115335 |
Connector assembly for fluid transfer
A fuel cell system has an improved connector assembly to provide for the quick connection of a fuel cartridge and the fuel cell. Two leak resistant connector members with an easy to engage coupling...
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7115221 |
Method for producing graphite powder with an increased bulk density
A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an...
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7115337 |
Fuel cell
A plurality of fuel electrodes are disposed on one surface of a solid polyelectrolyte membrane, while a plurality of oxidizer electrodes are disposed on the other surface of the same to create a...
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7112384 |
Fuel cell manifold seal with rigid inner layer
A multi-layer seal system for a manifold ( 10 ) of a proton exchange membrane fuel cell includes a silicone rubber filler layer ( 22 ) between endplates ( 9 ) to compensate for the uneven edges of...
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7112379 |
Vacuum assisted startup of a fuel cell at sub-freezing temperature
A vehicle ( 150 ) includes a fuel cell stack ( 151 ) started below freezing, by connection ( 158 ) to the vehicle propulsion system ( 159 ) within a few seconds of starting the flow of fuel ( 179 )...
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7107864 |
Quality control methods for gas diffusion media
The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact...
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7108932 |
Fuel cell system
A fuel cell system includes a fuel cell ( 9 ), an exhaust gas circulation passage ( 10 ) which circulates part of the exhaust gas from the fuel cell ( 9 ) back to the fuel cell ( 9 ), a fuel...
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7108936 |
Fuel cell assembly
In a fuel cell assembly typically with a plurality of cells each including an electrolyte layer ( 2 ), a pair of gas diffusion electrode layers ( 3, 4 ), and a pair of flow distribution plates ( 5...
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7108937 |
Reducing PEM fuel cell hard freeze cycles
The reactant gas manifolds ( 12–15 ) of a PEM fuel cell are modified to provide insulated manifolds ( 14 a ) having inner and outer walls ( 30, 31 ) closed off by a peripheral wall ( 35 ) to...
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7105243 |
Fuel cell system working to control supply pressure of fuel accurately
A fuel cell system is provided which includes an off-gas recirculating mechanism working to mix an off-gas discharged from a fuel cell with a hydrogen gas supplied to the fuel cell. The off-gas...
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7105244 |
Fuel cell power generation equipment and a device using the same
An object of the present invention is to obtain a fuel cell power generation equipment most suitable for a portable power source without requiring any auxiliary equipment such as a separator and a...
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7105245 |
Fluid cell system reactant supply and effluent storage cartridges
Reactant supply and effluent storage cartridges adapted for use with a closed liquid feed fuel cell system, as well as closed liquid feed fuel cell systems. The cartridge includes at least first...
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7101190 |
Electrical connector and system having contact array interface for engaging contacts at varying centerline spacing
An electrical connector for mating with a plurality of contacts separated from one another by a nominal pitch value includes an array of contact surfaces having a first dimension measured in a...
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7097926 |
Solid polymer electrolyte membrane and fuel cell comprising same
A solid polymer electrolyte membrane comprising a base film and a moisture-proof layer. The moisture-proof layer may be disposed on an outer edge portion of the base film. The solid polymer...
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7097927 |
Fuel cell system
A fuel cell system comprises first and second parallel fuel cell stacks ( 12, 14 ) in which a positive electrode and a negative electrode of adjoining terminal electrodes are set to be opposite to...
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7097929 |
Molten carbonate fuel cell
Disclosed is a molten carbonate fuel cell capable of preventing the leakage of a fuel gas due to deterioration of material by suppressing a high temperature generated at a hot section within a unit...
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7097928 |
Battery and method of making a battery
A battery includes a can having a rectangular or triangular cross section, the can having a closed end and an open end, a cathode in the can, an anode in the can, a separator between the cathode...
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7097925 |
High temperature fuel cell power plant
Disclosed is a high temperature fuel cell power generation system that includes a high temperature fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust. The system also...
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7097930 |
Carbon dioxide management in a direct methanol fuel cell system
A compact carbon dioxide separation module for a direct methanol fuel cell (DMFC) is provided. The module is a set of plates, typically two plates, sandwiched together and enclosing a membrane...
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7094486 |
Purge system for a fuel cell enclosure
A fuel cell air supply system disposed in an enclosure. A blower discharge plenum for supplying air individually to various fuel cell functions via individual control valves is provided with an...
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7090941 |
Fuel cell stack and a method of supplying reactant gases to the fuel cell stack
A cell assembly is formed by stacking a first cell and a second cell. In the cell assembly, oxygen-containing gas flow passages are connected in series by an intermediate oxygen-containing gas flow...
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7090943 |
Regulating the communication of power to components of a fuel cell system
A technique includes providing power to a group fuel cell system components and providing sensors to monitor conditions of the fuel cell system. The status of each sensor is associated with a...
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7090940 |
Freeze tolerant fuel cell power plant with a direct contact heat exchanger
A freeze tolerant fuel cell power plant ( 10 ) includes at least one fuel cell ( 12 ), a coolant loop ( 18 ) including a freeze tolerant accumulator ( 22 ) for storing and separating a water...
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7090942 |
Flow disruptor enhanced fuel cell
The present invention provides a fuel cell assembly comprising at least one fuel cell. The fuel cell comprises an anode, a cathode, and a electrolyte interposed therebetween; at least one fluid...
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7087337 |
Flow field geometries for improved water management
An assembly for a fuel cell including an electrically conductive fluid distribution element including a flow field disposed on a surface of the element, wherein the flow field includes a plurality...
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7087338 |
Polymer electrolyte fuel-cell separator sealing rubber composition
A rubber composition comprising (A) an organopolysiloxane end-capped with alkenyldialkylsiloxy, dialkenylalkylsiloxy or trialkenylsiloxy radicals and free of aliphatic unsaturation on any side...
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7087333 |
Hydrogen recirculation without a pump
A fuel cell system that routes anode effluent from one fuel cell stack to the anode side of another fuel cell stack to consume unused hydrogen in the production of electricity is disclosed. The...
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7087331 |
Energy efficient gas separation for fuel cells
An electrical current generating system is disclosed that includes a fuel cell operating at a temperature of at least about 250° C. (for example, a molten carbonate fuel cell or a solid oxide fuel...
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7087328 |
Fuel cell system and humidification method
The invention provides a fuel cell system, which has a humidifying apparatus to supply the sufficient moisture to the solid electrolyte membrane of a fuel cell and is capable of preventing the...
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7083875 |
Method and apparatus for providing modular power
A modular power system having separately removable electrolysis and power modules, each with separate sets of connection ports, is disclosed. The connection port set of the electrolysis module is...
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7081314 |
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 located at one side of the solid...
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7081142 |
Methods of preparing electrochemical cells
Methods of preparing a cathode/separator assembly for use in electrochemical cells in which a protective coating layer is coated on a temporary carrier substrate, a microporous separator layer is...
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7081312 |
Multiple stage combustion process to maintain a controllable reformation temperature profile
A reaction vessel that integrates and balances an endothermic process with at least one exothermic process of the fuel cell system. Preferably the exothermic process is conducted in stages to...
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7078120 |
Fuel cell
A fuel cell comprising a container and a fuel cell element or elements contained in the container, to which a mixed fuel gas containing a fuel gas and oxygen is fed to generate electricity, and the...
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7074514 |
Separator of fuel cell and method for producing same
For use in a fuel cell, constituted by plural cells, a separator that can reduce fluctuations in electromotive force across respective cells includes a recessed gas path. Depth fluctuations of the...
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