|| List of recent Fuel Cell-related patents
| Cation-strung side chain polymers useful in hydroxide/anion exchange membranes|
This invention provides a family of cation-strung polymers capable of forming membranes having exceptional hydroxide ionic conductivity as well as low water uptake and methods of making the same. The invention also provides for using these cation-strung polymers to manufacture membranes useful in hemfc fuel cells and other devices such as electrolysis, solar hydrogen generation, redox flow battery, dialysis, reverse osmosis, forward osmosis, pervaporation, ion exchange, sensor, and gas separation..
| Positive electrode composite for solid oxide fuel cell, method of preparing the same and solid oxide fuel cell including the same|
A positive electrode composite for a solid oxide fuel cell, on the positive electrode composite including: a porous reaction prevention layer; and a mixed-conductivity material disposed in the porous reaction prevention layer.. .
| Cohesive assembly of carbon and its application|
Cohesive carbon assemblies are prepared by obtaining a carbon starting material in the form of powder, particles, flakes, or loose agglomerates, dispersing the carbon in a selected organic solvent by mechanical mixing and/or sonication, and substantially removing the organic solvent, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, or discs, having high carbon packing density and low electrical resistivity.
| Electrode catalyst for fuel cell|
Disclosed is an electrode catalyst comprising: (a) a support with a specific surface area of at least 1200 m2/g; and (b) platinum or platinum-containing alloy particles on the support, wherein the platinum is supported on the electrode catalyst in an amount of 56-90 wt % based on the total weight of the electrode catalyst. A membrane electrode assembly (mea) comprising the electrode catalyst and a fuel cell using the mea are also disclosed.
Water soluble catalysts, (m)meso-tetra(n-methyl-4-pyridyl)porphinepentachloride (m=fe, co, mn & cu), have been incorporated into the polymer binder of oxygen reduction cathodes in membrane electrode assemblies used in pem fuel cells and found to support encouragingly high current densities. The voltages achieved are low compared to commercial platinum catalysts but entirely consistent with the behavior observed in electroanalytical measurements of the homogeneous catalysts.
| Fuel cell stack|
A unit cell of a fuel cell stack includes separators. Load receivers provided in the separators include projections, for example.
| Fuel cell with improved thermal management|
A fuel cell including at least two stacks of electrochemical cells, a heat management system including a circuit for flowing a coolant into each of the stacks fed in parallel, and an outside circuit for flowing the coolant outside the stacks. The outside circuit includes a first subcircuit including a heat exchanger and a second subcircuit directly connected to an inlet of the inside circuit, and controlling valves for controlling flow of the coolant toward either or both subcircuits as a function of temperature of the coolant at an output of each of the stacks.
| Fuel cell device and system|
Fuel cell devices and fuel cell systems are provided. The fuel cell devices may include one or more active layers containing active cells that are connected electrically in series.
| Fuel cell system and vehicle fuel cell system discharging method|
A fuel cell system mounted in a vehicle includes a fuel cell, a collision prediction device, a discharge device, and a controller. The fuel cell includes a gas channel to which a reactant gas is to be supplied to generate electricity.
| Fuel cell system and method for starting up the same|
A fuel cell system may include a reformer having a reforming catalyst layer; a high temperature fuel cell for generating electric power; a reforming catalyst layer temperature measuring means; a reforming catalyst layer temperature increasing means; and a control means for calculating a flow rate of the hydrocarbon-based fuel that can be reformed in the reforming catalyst layer, based on the measured temperature of the reforming catalyst layer, and for controlling the hydrocarbon-based fuel supplied to the reforming catalyst layer to flow at the calculated flow rate, and being able to increase a feed rate of the hydrocarbon-based fuel to the reforming catalyst layer, while repeatedly operating the fuel flow rate calculating function and the fuel flow rate controlling function, until the feed rate of the hydrocarbon-based fuel to the reforming catalyst layer becomes a flow rate at completion of start-up.. .
| Power generator with additional hydrogen storage|
A power generator includes a hydrogen producing fuel and a hydrogen storage element. A fuel cell having a proton exchange membrane separates the hydrogen producing fuel from ambient.
| Fuel cell with low water consumption|
A technique to provide fuel to a solid oxide fuel cell with low water consumption is described that includes providing an initial fuel mixture with air and hydrocarbon, and partially oxidizing the fuel mixture with a catalyst to provide a reformed fuel mixture. Also included is adding an amount of water to the reformed fuel mixture to reduce formation of elemental carbon from carbon monoxide in the reformed fuel mixture and supplying a portion of the reformed fuel mixture combined with water to an electrochemical device that produces electrical power from hydrogen in the reformed fuel mixture..
| Energy load management system|
A system and method for controlling a fuel cell system. An anode tail gas oxidizer (ato) receives air and fuel exhaust streams from one or more fuel cell stacks of the fuel cell system.
| Solid oxide fuel cell systems with hot zones having improved reactant distribution|
A solid oxide fuel cell (sofc) system having a hot zone with a center cathode air feed tube for improved reactant distribution, a cpox reactor attached at the anode feed end of the hot zone with a tail gas combustor at the opposing end for more uniform heat distribution, and a counter-flow heat exchanger for efficient heat retention.. .
| Methods for the operation of a humidification device for a fuel cell|
In a method for operating a humidifier for a fuel cell wherein the humidifier comprises a moisture exchanger with at least one water-permeable or water vapor-permeable membrane and a moisture reservoir, the moisture exchanger is flushed with flushing air and the flushing air is subsequently passed through the moisture reservoir.. .
| Fuel cell|
A fuel cell including a unit cell having an anode, an electrolyte membrane, and a cathode in this order, a liquid fuel accommodation portion composed of a space opening on an anode side and arranged on the anode side, for accommodating or allowing flow of liquid fuel, and a first moisture retention layer arranged between the unit cell and the liquid fuel accommodation portion is provided. This fuel cell may further include a second moisture retention layer arranged on the cathode.
| Adsorbents for removing contaminants from gas flows containing water|
The invention relates to adsorbents for removing impurities from water-comprising gas streams, in particular for use in fuel cell systems, wherein the adsorbents comprise oxides of elements selected from the group consisting of cu, fe, zn, ni, co, mn, mg, ba, zr, ce, la or combinations of these elements, have a copper oxide content of at least 30% by weight and have pore volumes of less than 0.175 ml·g−1 for pores having a radius of less than 20 nm.. .
| Metallic coated ceramic electrodes|
The second layer of metallic coating will be a material that that makes the electrode work more efficiently. The metallic coating will be applied using the atomic layer deposition method or vapor deposition; this secondary metallic deposit will improve the efficiency of the ceramic electrode on products such as fuel cell electrodes, hydrogen generator electrodes and batteries..
|Fuel directing reaction device for passive fuel cell|
A fuel directing reaction device for a passive fuel cell comprises: a substrate, which has a first side and a second side opposite to the first side; a fuel reservoir, which is disposed on the first side of the substrate; a fuel introducing microfluidic channel portion, which is disposed on the first side of the substrate and connected with the fuel reservoir; a first rib array portion, which is disposed on the first side of the substrate, and connected with the fuel introducing microfluidic channel portion; a second rib array portion, which is disposed on the first side of the substrate, and connected with the first rib array; and a plurality of reaction holes, each of which is disposed on the open side of the v-shaped portion of the second ribs and extends through the substrate to connect the first side and the second side of the substrate.. .
|Catalyst for fuel cell, method of preparing same, membrane-electrode assembly and fuel cell system including same|
In chemical formula 1, each substituent is the same as described in the detailed description.. .
|Ceramic interconnect for fuel cell stacks|
A fuel cell comprises a plurality of sub-cells, each sub-cell including a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second electrode. The sub-cells are connected with each other with an interconnect.
|Fuel cell comprising a proton-exchange membrane, having an increased service life|
A fuel cell having a proton-exchange membrane, an anode, and a cathode. The anode and cathode are fixed on opposing sides of the proton-exchange membrane.
|Subgasket design to dissipate thermal energy generated from catalytic combustion experienced in a pem fuel cell|
A fuel cell component includes a sub-gasket including a structural component and a thermally conductive layer. The sub-gasket defines a central opening while the structural component includes a first side and a second side.
|Fuel cell stack having cooling medium leakage preventing unit|
A fuel cell stack includes a plurality of unit cells, a cooling plate and a block plate. Each unit cell includes a cathode electrode and an anode electrode respectively at opposing sides of an electrolyte membrane, and a separator facing each of the cathode electrode and the anode electrode.
|Fuel cell module|
A fuel cell module includes a vaporizer; a reformer; a cell stack; and a housing which accommodates in inside thereof the vaporizer, the reformer, and the cell stack and includes in inside thereof a wall portion defining an exhaust gas flow channel, wherein the wall portion comprises an inner wall portion; and an outer wall portion, and defines the exhaust gas flow channel communicating to the accommodation chamber between the inner wall portion and the outer wall portion, and the vaporizer is disposed in the exhaust gas flow channel at a position below the reformer and the cell stack so that the vaporizer is spaced from the reformer, and further, spaced from the outer wall portion.. .
|Anode of supplementary hydrogen fuel system|
A supplementary hydrogen fuel system is described. The supplementary hydrogen fuel system can include a hydrogen generator.
|Fuel cell for powering computer apparatus|
A computer peripheral device incorporates a fuel cell that may be used to supply power to a computer device coupled to the peripheral device. The peripheral device comprises a housing and circuitry within the housing to provide at least one computer peripheral function.
|Method and apparatus for manufacturing a fuel cell electrode|
A method of manufacturing a fuel cell electrode includes stamping an electrode workpiece (50, 50′) in a sequence configured to control and/or reduce material growth, such as stamping discrete sections of the electrode workpiece in a sequential order. The method can employ a die with a die face (18, 18′) having a plurality of projections (24, 24′), wherein each projection has a top surface (26, 26′) with a concave curve along at least one plane to control and/or reduce material growth during a stamping operation..
|Flow field configuration for fuel cell plate|
A method of manufacturing a plate for a fuel cell includes the steps of providing flow channels in a fuel cell plate. Multiple fuel cell plates are joined into a cell stack assembly.
|Solid oxide fuel cell|
An object of the present invention is to provide a fuel cell preventing formation of a diffusion layer containing ca and other elements, and having an excellent power generation performance at low temperature by preventing breakdown of a crystal structure of an electrolyte by firing. Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support.
|High durability fuel cell components with cerium salt additives|
A fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane which comprises a polymer that comprises bound anionic functional groups, wherein the polymer electrolyte membrane additionally comprises cerium cations. In another aspect, a fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane which comprises a polymer that comprises bound anionic functional groups, wherein at least a portion of the anionic functional groups are in acid form and at least a portion of the anionic functional groups are neutralized by cerium cations.
|Fuel cell subassemblies incorporating subgasketed thrifted membranes|
A fuel cell roll good subassembly is described that includes a plurality of individual electrolyte membranes. One or more first subgaskets are attached to the individual electrolyte membranes.
|Electroformed bipolar plates for fuel cells|
A bipolar plate assembly for a fuel cell is provided. The bipolar plate assembly includes a first electroformed unipolar plate disposed adjacent a second electroformed unipolar plate.
|Solid oxide fuel cell stack with uniform flow distribution structure and metal sealing member|
9. A fuel cell vehicle comprising the fuel cell system of claim 8..
|Fuel cell system|
A fuel cell system that generates electric power by supplying anode gas and cathode gas to a fuel cell includes a control valve adapted to control the pressure of the anode gas to be supplied to the fuel cell; a buffer unit adapted to store the anode-off gas to be discharged from the fuel cell; a pulsation operation unit adapted to control the control valve in order to periodically increase and decrease the pressure of the anode gas at a specific width of the pulsation; and a pulsation width correcting unit adapted to correct the width of the pulsation on the basis of the temperature of the buffer unit.. .
|Fuel cell monitoring and control system|
A method of controlling a fuel cell system includes applying alternating current (ac) signals to an individual fuel cell. The ac signals have a plurality of different frequencies.
|Automated cold storage protection for a fuel cell system|
A system and method for selectively determining whether a freeze purge should be performed at shut-down of a fuel cell stack. The method includes identifying that the vehicle has been keyed off and then determining whether a stack membrane humidification value is less than a predetermined humidification value that identifies the humidification of membranes in fuel cells in the fuel cell stack.
|Solid oxide fuel cell device|
The present invention is a solid oxide fuel cell 1 including a reforming section 94, disposed inside a fuel gas supply flow path 20 above a vaporizing section 86 to surround the upper portion of a fuel cell stack 14, for steam reforming raw fuel gas f introduced from a fuel gas introducing portion 90a using steam s produced in a vaporizing section; and a circulating flow path portion 156 disposed in a fuel gas supply flow path between the vaporizing section and the reforming section for circulating rising raw fuel gas introduced from a fuel gas introducing section into a fuel gas supply flow path and rising steam produced in the vaporizing section along the circumferential direction of the fuel gas supply flow path so as to form a flow supplying mixed raw fuel gas and steam uniformly over the entire circumference of the reforming section.. .
|Flame stabilized mixer-eductor-oxidizer for high temperature fuel cells|
A mixer/eductor assembly for use with a fuel cell stack having an anode-side and a cathode-side, said mixer/eductor assembly mixing and at least partially combusting anode exhaust gas output from the anode-side and an oxidant supply gas, said mixer/eductor assembly comprising: a first area receiving and mixing a first portion of the anode exhaust gas and a first portion of the oxidant supply gas to form a first mixture, the first area being configured so as to initiate a combustion reaction in the first mixture; a second area coupled with the first area, the second area receiving and mixing a second portion of the anode exhaust gas and a second portion of the oxidant supply gas to form a second mixture, wherein: the first mixture has a predetermined oxidant to fuel ratio smaller than the oxidant to fuel ratio of the second mixture; and the first area provides an ignition source to promote continuous combustion of the second mixture in the second area.. .
|Recirculation unit for a fuel cell system|
A recirculation device for a fuel cell system includes a recirculation line connecting the outlet and inlet of the anode region of the fuel cell. The recirculation device includes a liquid separator situated in the area of the recirculation line and a discharge line having a discharge valve for liquid and/or gases.
|Wet state control device for fuel cell|
A wet state control device for fuel cell includes a priority control unit for preferentially controlling either one of a pressure and a flow rate of cathode gas when a wet state of a fuel cell is adjusted, a water temperature control unit for controlling a temperature of cooling water when the wet state of the fuel cell is not completely adjustable by a control of the priority control unit, and a complementary control unit for controlling the other of the pressure and the flow rate of the cathode gas to complement a response delay of the water temperature control unit.. .
|Regenerative fuel cell system|
The reservoirs 2 and 2′ preliminarily contain liquid water, which is utilized as the water to be supplied to the polymer membrane. A vapor pressure of the water is set to a predetermined value in the reservoir by controlling the temperature of the reservoirs 2 and 2′ individually.
|Hydrogen generator and fuel cell system|
A hydrogen generator includes: a tubular reformer configured to generate a hydrogen-containing gas by a reforming reaction using a material gas; a co reducer configured to reduce carbon monoxide contained in the hydrogen-containing gas generated in the reformer; a tubular hydro-desulfurizer provided at an outer periphery of the reformer and configured to remove a sulfur compound contained in the material gas; and a material gas supply passage through which the material gas to be supplied to the hydro-desulfurizer flows. The material gas supply passage is configured to perform heat exchange with the co reducer, and a material gas inlet port of the hydro-desulfurizer is provided at an end surface closer to the co reducer..
|Fuel cell supply including information storage device and control system|
The present invention is directed to a fuel cell system with various features for optimal operations of an electronic device, a battery charger or a fuel refilling device. The fuel cell system includes an information storage device associated with the fuel supply, pump and/or refilling device.
|Solid polymer electrolyte membrane and fuel cell using the same|
A solid polymer electrolyte membrane is provided that is inexpensive, and is excellent in the ionic conductivity characteristics, the methanol crossover characteristics and the mechanical characteristics. The solid polymer electrolyte membrane contains a block copolymer a containing a hydrophilic segment having an ion exchange group and a hydrophobic segment, and a block copolymer b containing a hydrophilic segment having an ion exchange group and a hydrophobic segment and having a smaller ion exchange capacity than the block copolymer a, and has a structure where a region a having the block copolymer a agglomerated therein is dispersed in a matrix constituted by a region b having the block copolymer b agglomerated therein, with a microscopic phase-separated structure having a period of from 10 to 100 nm being formed in the region a and the region b..
|Fuel cell component with coating including nanoparticles|
A product comprising a fuel cell component comprising a substrate and a coating overlying the substrate, the coating comprising nanoparticles having sizes ranging from 2 to 100 nanometers.. .
|Systems and methods for transferring electrical energy between vehicles|
Motor vehicles may need to exchange electrical energy. The vehicles may negotiate a quantity to be transferred, a price for the transferred energy, transfer parameters for the exchange, and/or the like.
|Fuel cell fleet optimization|
A fuel cell fleet has a plurality of fuel cell systems each connected to a data server. The data server may be configured to obtain operational data from of the plurality of fuel cell systems.