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Fuel Cell patents

      

This page is updated frequently with new Fuel Cell-related patent applications.




 Fuel cell stack patent thumbnailFuel cell stack
A fuel cell stack includes a stacked body including a plurality of power generation cells stacked in a stacking direction. Insulation members and end plates are provided to sandwich the stacked body therebetween in the stacking direction.
Honda Motor Co., Ltd.


 Fuel cell stack patent thumbnailFuel cell stack
A fuel cell stack includes a stack body, an end plate, an end stack member, a terminal plate, and a fixing member. The stack body has an end portion in a stacking direction.
Honda Motor Co., Ltd.


 Device for preventing deformation of fuel cell stack patent thumbnailDevice for preventing deformation of fuel cell stack
A device for preventing deformation of a fuel cell stack module includes vertical plates and a horizontal plate, the vertical plates and the horizontal plate are combined to form a deformation prevention frame and disposed between a plurality of fuel cell stack modules, which is vertically stacked, and on both surfaces of the respective fuel cell stack modules which are perpendicular to an end plate. Each of the plurality of fuel cell stacks includes an end plate disposed perpendicular to the vertical plates..
Hyundai Motor Company


 Microbial fuel cell patent thumbnailMicrobial fuel cell
A microbial fuel cell includes a container unit and an electrode unit. The container unit includes an electrolytic cell and a communication port.
Panasonic Corporation


 Carbon fuel cells patent thumbnailCarbon fuel cells
In one aspect, a system for converting a feedstock into a specialized carbon fuel for energy conversion includes a re actor to receive a feedstock substance and dissociate the feedstock substance to carbon constituents and hydrogen by applying one or both of heat and electric current, the carbon constituents including hot carbon having a temperature state in a range of 700° c. To 1500° c.
Advanced Green Technologies, Llc


 Direct isopropanol fuel cell patent thumbnailDirect isopropanol fuel cell
A direct isopropanol fuel cell adapted for use in ambient conditions and utilizing as fuel isopropanol and water preferably with isopropanol at relatively high concentrations representing 30% to 90% isopropanol.. .
Op-hygiene Ip Gmbh


 Apparatus,  compact mobile fuel cell system patent thumbnailApparatus, compact mobile fuel cell system
A system, method, and apparatus for fuel cell utilizing hydrogen from reforming propane fuel include a propane fuel reformer, controlling operating parameters of o2/c ratio, pressure, and catalyst temperature, and a high temperature proton exchange membrane fuel cell (ht-pemfc) controlling operating parameters of pressure and temperature. For mobile application, the system includes a 3d printed reformer for generation of hydrogen rich gas..
Rochester Institute Of Technology


 Sofc system formed with multiple thermally conductive pathways patent thumbnailSofc system formed with multiple thermally conductive pathways
A solid oxide fuel cell (sofc) system includes inner and outer enclosure walls each formed as an independent thermally conductive path. Each thermally conductive path comprises materials having a coefficient of thermal conductivity of greater than 100 w/m° k.
Protonex Technology Corporation


 Cooling system of fuel cell vehicle patent thumbnailCooling system of fuel cell vehicle
A cooling system of a fuel cell vehicle is provided. The cooling system includes a stack in which a plurality of fuel cells are laminated and a manifold in which the stack is disposed, and inside of which cooling water flows to exchange heat with the stack.
Hyundai Motor Company


 Methods and systems for detecting leaks in a fuel cell stack patent thumbnailMethods and systems for detecting leaks in a fuel cell stack
Systems and methods for testing a fuel cell stack include a vacuum source, a test head including at least one isolated vacuum plenum configured to be positioned in fluid communication with a first portion of the fuel cell stack, the isolated vacuum plenum in fluid communication with the vacuum source, and a detector in fluid communication with the at least one isolated vacuum plenum for detecting the presence of a particular constituent of a fluid provided in a second portion of the fuel cell stack, where the second portion of the fuel cell stack is separated from the first portion of the fuel cell stack by at least one of an electrolyte and a fuel cell seal.. .
Bloom Energy Corporation


Fuel cell

A fuel cell includes a first separator including a reactant gas buffer portion which includes a first buffer region and a second buffer region. The first buffer region has a first depth in the stacking direction.
Honda Motor Co., Ltd.

Air intake structure and fuel cell vehicle

An air intake structure for a fuel cell vehicle includes an air inlet port, an air passage, and a water separation passage. The air inlet port is provided in a front space of the fuel cell vehicle in which a fuel cell is accommodated.
Honda Motor Co., Ltd.

Fuel cell stack

A fuel cell stack includes a stacked body, a first insulator and a second insulator. The stacked body includes power generation cells.
Honda Motor Co., Ltd.

Cooling plates for fuel cells

A separator plate in an air-cooled fuel cell comprises a series of airflow channels, each channel extending longitudinally between first and second opposing edges of the separator plate. Each channel has a cross-sectional profile defining an airflow cross-section at points along the length of the channel, and at least selected ones of the channels each have a thermally conductive structure extending into the channel cross-section at selected intermediate longitudinal positions of the channel.
Intelligent Energy Limited

Bipolar plate and fuel cell comprising a bipolar plate of this type

A bipolar plate for a fuel cell, including a profiled anode plate and a profiled cathode plate, each having an active region and two distribution regions for feeding and discharging operating media to and from the active region, and each distribution region having a main anode-gas port for supplying and evacuating fuel, a main cathode-gas port for supplying and evacuating oxidant and a main coolant port for supplying and evacuating coolant, the ports being arranged along a lateral edge of the bipolar plate. The plates are stacked so that the bipolar plate has channels interconnecting the main operating media ports of both distribution regions, and the distribution regions have at least one overlapping section, in which the channels overlap such that they do not form fluidic connections.
Volkswagen Ag

Porous electrode substrate, manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers

Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate.
Mitsubishi Rayon Co., Ltd.

Conductive porous material, polymer electrolyte fuel cell, and manufacturing conductive porous material

The object of the present invention is to provide a conductive porous material that has a large specific surface area, that is not easily damaged by pressure, and that can be applied to a variety of applications; a polymer electrolyte fuel cell, and a method of manufacturing a conductive porous material. The conductive porous material is one which is an aggregate of fibrous substances comprising first conductive materials, and second conductive materials that connect between the first conductive materials, and its specific surface area is 100 m2/g or more, and its thickness retention rate after pressing at 2 mpa is 60% or more.
Japan Vilene Company, Ltd.

Composite material for hydrolytically generating hydrogen, device for hydrolytically generating hydrogen, generating hydrogen, device for generating electric energy, and possible applications

The invention relates to compact and lightweight disposable accumulators for generating electric energy with extremely high energy densities (>1 kwh/kg and >k wh/liter), which are of immense interest in many areas of application. One possibility for implementing such energy accumulators consists in using metal hydrides in hydrogen generators in which hydrogen is generated by hydrolytically splitting off a proton from water in conjunction with the metal hydride.
Fraunhofer-gesellschaft Zur FÖrderung Der Angewandten Forschung E.v.

Water oxidation catalysts and methods of use thereof

Homogeneous water oxidation catalysts (wocs) for the oxidation of water to produce hydrogen ions and oxygen, and methods of making and using thereof are described herein. In a preferred embodiment, the woc is a polyoxometalate woc which is hydrolytically stable, oxidatively stable, and thermally stable.
Emory University

Fuel cell stack column including stress-relief components

A fuel cell column includes termination plates, fuel cell stacks disposed between the termination plates, and fuel manifolds disposed between the fuel cell stacks. The fuel cell stacks include fuel cells, interconnects disposed between the fuel cells, and end plates disposed on opposing ends of the fuel cell stacks.
Bloom Energy Corporation

Fuel cell system and performance improvement fuel cell system

A fuel cell system includes: a processing unit configured to perform an activation process of temporarily reducing a cathode potential of a single fuel cell to a target potential for a duration time at a processing frequency; a cationic impurity amount estimating unit configured to estimate an amount of cationic impurities included in an electrolyte membrane of the single fuel cell; and a process degree determining unit configured to determine, when the amount of cationic impurities is large, a degree of the activation process which is higher than that determined when the amount of cationic impurities is small by performing at least one action among actions of changing conditions of the activation process, the actions including an action of reducing the target potential, an action of increasing the duration time, and an action of increasing the processing frequency. The processing unit performs the activation process to the determined degree..
Toyota Jidosha Kabushiki Kaisha

Laminated battery, separator and connection internal resistance measuring device

A separator of a fuel cell to be laminated while sandwiching a membrane electrode assembly forming a power generation region includes a source connection point tab for inputting and outputting an alternating current for internal resistance measurement, a sense connection point tab for detecting a potential of the alternating current input and output to and from the source connection point tab and separation portion configured to separate the sense connection point tab from a current path of the alternating current for internal resistance measurement from the source connection point tab to the power generation region.. .
Nissan Motor Co., Ltd.

Method for managing ion filter of fuel cell vehicle

A method for managing an ion filter of a fuel cell vehicle includes measuring a differential pressure between ends of the ion filter, calculating a change of the differential pressure according to a coolant flow at the ion filter, and determining leakage of an ion resin or a replacement time of a cartridge using the measured differential pressure or the calculated change of the differential pressure.. .
Hyundai Motor Company

Fuel cell catalyst layer, and fuel cell

The fuel cell catalyst layer has: a catalyst including a carbon support having pores with a pore diameter of from 1 nm to 5 nm and a catalyst metal supported within the pores of the carbon support; and an ionomer having a glass transition temperature equal to or greater than 160° c.. .
Toyota Jidosha Kabushiki Kaisha

Fuel cell catalyst layer, and fuel cell

The fuel cell catalyst layer has: a catalyst including a highly crystalline carbon support and a catalyst metal supported by the highly crystalline carbon support; and an ionomer having a glass transition temperature equal to or greater than 160° c.. .
Toyota Jidosha Kabushiki Kaisha

Method for producing core-shell catalyst for fuel cells

The present invention is to provide a method for producing a core-shell catalyst for fuel cells, which is configured to facilitate shell deposition by, at the time of shell deposition, decreasing an oxidation-reduction potential lower than ever before. Disclosed is a method for producing a core-shell catalyst for fuel cells, wherein the method comprises: a bubbling step of bubbling hydrogen into a mixture a containing a core fine particle-supported carbon and alcohol; a first refluxing step of refluxing the mixture a after the bubbling step; a mixing step of preparing a mixture b by, after the first refluxing step, mixing the mixture a having a temperature that is lower than that in the first refluxing step with a shell material; and a second refluxing step of refluxing the mixture b..
Brookhaven Science Associates, Llc

Method for producing core-shell catalyst for fuel cells

The present invention is to provide a method for producing a core-shell catalyst for fuel cells, which is configured to facilitate shell deposition by, in the production of the core-shell catalyst for fuel cells, decreasing an oxidation-reduction potential applied for shell deposition lower than ever before. Disclosed is a method for producing a core-shell catalyst for fuel cells, wherein the method comprises: a first refluxing step of refluxing a mixture a containing a core fine particle-supported carbon, alcohol and water; a mixing step of preparing a mixture b by, after the first refluxing step, mixing the mixture a having a temperature that is lower than that in the first refluxing step with a shell material; and a second refluxing step of refluxing the mixture b..
Brookhaven Science Associates, Llc

Estimating coolant conductivity in a multi-voltage fuel cell system without disconnecting contactors

A system and method for monitoring the conductivity of a cooling fluid flowing in a fuel cell system on a vehicle including a chassis. The fuel cell system includes a fuel cell stack electrically coupled to a stack bus and a battery electrically coupled to a propulsion bus.
Gm Global Technology Operations Llc

Fuel cell vehicle

A fuel cell vehicle 1 comprises: a radiator 11 provided in a front room 10; and a fuel cell assembly 12 provided in a vehicle rear direction with respect to the radiator 11 in the front room 10. The fuel cell assembly 12 comprises: an assembly frame 60; and a fuel cell apparatus group 61 that includes a fuel cell 70 and an auxiliary apparatus, the fuel cell apparatus group 61 being integrally mounted to the assembly frame 60.

Film

The present invention provides a film for attaching a nanostructured material to a surface of a substrate, comprising: (a) a removable support; (b) an attaching layer for attaching the film to the surface of a substrate; and (c) the material directly coupled to the support and the attaching layer. Methods for making the film, methods for attaching the material to the surface of a substrate are also provided.
The Australian National University

Fuel cell manifold including a coating to reduce the possibility of an electrical short

An illustrative example fuel cell manifold includes a manifold structure having at least one surface situated where the surface may be exposed to phosphoric acid. The surface has a coating that reduces a possibility of an electrical short between the manifold and the fuel cell stack adjacent the manifold if that surface is exposed to phosphoric acid during fuel cell operation..
Audi Ag

Fuel cell stack having an end plate assembly with a tapered spring plate

An end plate assembly (38) includes a current collector (40), an electrically non-conductive pressure plate (42), and a tapered spring plate (72). The tapered spring plate (72) includes a thick mid-section (96) and tapered, thin tie rod extensions (74, 76) that extend from the mid-section (96) over deflection cavities (50, 52) in the pressure plate (42).
Audi Ag

Resin film, laminate, producing same, and producing fuel cell

A polymer film comprises a polymer composition containing (a) a cyclic olefin polymer containing an olefin unit having a c3-10alkyl group as a side chain thereof and (b) a chlorine-containing polymer. The chlorine-containing polymer (b) may comprise a vinylidene chloride-series polymer.
Daicel Corporation

Electrolyte material, liquid composition, membrane electrode assembly for polymer electrolyte fuel cell and fluorinated branched polymer

To provide: an electrolyte material having high oxygen permeability as compared with conventional ones; a membrane electrode assembly for a polymer electrolyte fuel cell excellent in power generation characteristics as compared with conventional ones; a liquid composition suitable for forming a catalyst layer for the membrane electrode assembly; and a fluorinated branched polymer useful as e.g. A raw material of the electrolyte material.
Asahi Glass Company, Limited

Polymer electrolyte membrane, and membrane-electrode assembly and fuel cell containing same

The present invention relates to a polymer electrolyte membrane, and a membrane-electrode assembly and a fuel cell containing the same, and the polymer electrolyte membrane comprises a polymer comprising repeating units represented by the following chemical formulas 1-3. Chemical formulas 1-3 are as defined in the specification.
Kolon Industries, Inc.

Membraneless direct liquid fuel cells

Disclosed herein are membraneless direct liquid fuel cells comprising an anode comprising an anode catalyst; a cathode comprising a cathode catalyst; an aqueous solution comprising a fuel, an electrolyte, and water; an oxygen source in electrochemical contact with the cathode catalyst; wherein the anode catalyst and the cathode catalyst are in electrochemical contact with the aqueous solution; wherein the anode catalyst is catalytically active for the oxidation of the fuel; wherein the cathode catalyst is catalytically active for the reduction of oxygen and is substantially catalytically inactive for the oxidation of the fuel. Also disclosed herein are catalysts that are catalytically active for the oxygen reduction reaction and/or the oxygen evolution reaction and substantially catalytically inactive for the oxidation reaction of a fuel..
Board Of Regents, The University Of Texas System

Sorbent bed assembly and fuel cell system including same

A sorbent bed assembly, a fuel cell system including the sorbent bed assembly, and methods of using the same. The sorbent bed assembly includes sorbent beds disposed in a stack, such that the sorbent beds extend lengthwise in a non-vertical direction, and conduits configured to fluidly connect the sorbent beds.
Bloom Energy Corporation

Porous current collector and fuel cell

Provided is a porous current collector which is used for a fuel electrode and has a high gas reforming function and high durability. A porous current collector 9 is provided adjacent to a fuel electrode 4 of a fuel cell 101 that includes a solid electrolyte layer 2, the fuel electrode 4 disposed on one side of the solid electrolyte layer, and an air electrode 3 disposed on the other side.
Sumitomo Electric Industries, Ltd.

Apparatus for determining reactant purity

An apparatus (10) configured to determine reactant purity comprising: a first fuel cell (11) configured to generate electrical current from the electrochemical reaction between two reactants, having a first reactant inlet (13) configured to receive a test reactant comprising one of the two reactants from a first reactant source (7, 5, 16); a second fuel cell (12) configured to generate electrical current from the electrochemical reaction between the two reactants, having a second reactant inlet (14) configured to receive the test reactant from a second reactant source (5); a controller (20) configured to apply an electrical load to each fuel cell and determine an electrical output difference, odt, between an electrical output of the first fuel cell (11) and an electrical output of the second fuel cell (12), and determine a difference between a predicted output difference and the determined electrical output difference, odt, the predicted output difference determined based on a historical output of difference and a historical rate of change in said output difference determined at an earlier time, said controller (20) configured to provide a purity output indicative of the test reactant purity at least based on the difference between the predicted and determined output difference.. .
Intelligent Energy Limited

Fuel cell

A fuel cell (10) including at least one membrane assembly (13) arranged between at least two polar plates (14) of the fuel cell (10) is provided. The fuel cell (10) has at least one pair (25) of flow regions situated outside an active region (16) of the membrane assembly (13), the pair having overlapping flow regions (20) on both sides of the membrane assembly (13).
Volkswagen Ag

Fuel cell anode catalyst and manufacturing method therefor

Provided is a fuel cell anode catalyst in which a platinum-ruthenium alloy is supported on a carbon material, and a manufacturing method therefor. The molar ratio (pt:ru) of the alloy is in the range of 1:1-5.
National University Corporation

Cathode unit for ceramic fuel cell, cathode structure for ceramic fuel cell including the same, and forming cathode structure for ceramic fuel cell

A cathode unit for a ceramic fuel cell includes a silver (ag) support and an ion conductive solid membrane. The silver (ag) support is formed on a pellet.
Korea University Research And Business Foundation

Non-precious fuel cell catalysts comprising polyaniline

A method of producing a catalyst suitable for use in a membrane electrode assembly involves providing a mixture comprising a polyaniline precursor and a catalyst support; adding to said mixture an oxidant and a compound comprising a transition metal; agitating said mixture sufficiently to result in polyaniline polymerization; drying the mixture; heating the dried mixture in an inert atmosphere at a temperature of from about 400° c. To about 1000° c.; leaching the mixture with an acid solution; heating the resulting mixture in an inert atmosphere at a temperature of from about 400° c.
Los Alamos National Security, Llc

Method of preparing minute carbonized cellulose and preparing catalyst support using the same

Disclosed is a method of manufacturing carbonized fine cellulose, which enables the formation of carbonized nano-sized cellulose by subjecting cellulose to drying, carbonization, and pulverization by means of shock waves using ultrasonic waves and microbubbles, thus realizing mass producibility, making it possible to fabricate a carbonized nano-sized material having uniform quality, and reducing the manufacturing costs. The carbonized fine cellulose is in the form of a nano-sized uniform carbon powder, and can thus be utilized as a catalyst support in various forms, such as fuel cell electrodes, electrodes of energy storage devices such as supercapacitors or secondary batteries, catalyst supports for micro-nano hybrid reactors, etc..
Korea Institue Of Energy Research





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This listing is a sample listing of patent applications related to Fuel Cell for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Fuel Cell with additional patents listed. Browse our RSS directory or Search for other possible listings.


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