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Fuel Cell Stack patents

      

This page is updated frequently with new Fuel Cell Stack-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


 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 stack patent thumbnailFuel 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.


 Fuel cell stack column including stress-relief components patent thumbnailFuel 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


 Estimating coolant conductivity in a multi-voltage fuel cell system without disconnecting contactors patent thumbnailEstimating 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 manifold including a coating to reduce the possibility of an electrical short patent thumbnailFuel 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 patent thumbnailFuel 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


 Electrically driven vehicle patent thumbnailElectrically driven vehicle
An electrically driven vehicle comprises: a body frame arranged in a holding compartment formed in front of a passenger compartment; a suspension member fastened to the body frame in the holding compartment through a rear side fastening structure; and a fuel cell stack supported on the suspension member through a rear side mount at a position in front of the rear side fastening structure. When a serious collision occurs, the fuel cell stack moves rearward and strikes the fastening structure whereby the fastening structure breaks and thereby suspension member separates from the body frame and the fuel cell stack moves downward and heads toward the inside of the shelter space between the holding compartment and a road surface..
Toyota Jidosha Kabushiki Kaisha


Electric vehicle

In order to limit entry of a fuel cell stack into a passenger compartment by a simple structure, the fuel cell stack is accommodated in an accommodating compartment formed at a rear of a passenger compartment. A force receiving member is arranged forward with respect to the fuel cell stack and below the fuel cell stack so that rearward force acts on the force receiving member at the time of vehicle collision.
Toyota Jidosha Kabushiki Kaisha

Fuel cell stack assembly device and control method

A fuel cell stack assembly device is provided. The assembly device includes a stack guide apparatus that arranges and stacks fuel cells using a plurality of guide bars and a press unit that repeatedly moves vertically based on the stack guide apparatus and presses the fuel cells stacked on the stack guide apparatus.
Kia Motors Corporation

Relative humidity estimators for fuel cell stack ports

A water management method for a fuel cell stack (fcs) is provided. The method may include outputting via a controller an fcs anode port estimated relative humidity value based on consumption of reactants and generation of products in the fcs and adjusting a humidification control strategy based on the value.
Ford Global Technologies, Llc

Fuel cell stack, and determining maintenance time of fuel cell stack

A fuel cell includes a fuel cell stacked body in which a plurality of fuel cells are stacked in a first direction, a pair of end plates which sandwiches the fuel cell stacked body in the first direction, and a load measurement unit that is disposed between at least one of the pair of end plates and the fuel cell stacked body, and detects an electrode load, which acts on a power generation surface of the fuel cells, in the first direction. The load measurement unit includes a first conductive material, second conducive materials between which the first conductive material is interposed in the first direction, and which include a contact portion that is in contact with the first conductive material, and a detection unit that detects a voltage drop between the second conductive materials, which face each other in the first direction, with the first conductive material interposed therebetween..
Honda Motor Co., Ltd.

Device and extending the service life of ht-pem fuel cells

According to the invention, a device is provided for extending the service life of a high-temperature polymer electrolyte membrane fuel cell. This device includes an ht-pem fuel cell with at least one cell.
Siqens Gmbh

Fuel cell stack with multilayer type collector plate

A fuel cell stack is provided which manually increases the temperature of cells arranged in the vicinity of an end plate of the stack to improve starting performance of a fuel cell vehicle at temperatures below zero and driving performance thereof at low temperatures. The fuel cell stack realizes rapid thawing and heating functions in response to freezing of end cells when a vehicle is started at temperatures below zero, using a multilayer current collector having at least one thin collector plate which is structurally and sensitively expandable or contractible based on temperature changes..
Kia Motors Corporation

Treatment device for treating exhaust gas of a fuel cell stack, fuel cell system and vehicle with a fuel cell system

A treatment device for treating exhaust gases of a fuel cell stack of a fuel cell system is provided. A humidifier, in which the exhaust gas is usable for humidifying a medium capable of being introduced into the fuel cell stack, includes a water separator for reducing a content of liquid water in the exhaust gas.
Daimler Ag

Fuel cell stack

An oxygen-containing gas discharge manifold member is provided for a first end plate of a fuel cell stack. The oxygen-containing gas discharge manifold member has a first opening connected to a non-circular oxygen-containing gas discharge passage and a second opening connected to a circular external pipe.
Honda Motor Co., Ltd.

Shutdown and storage fuel cell system at below freezing temperatures

Improved methods are disclosed for shutting down and storing a fuel cell system, particularly for below freezing temperature conditions. The methods comprise stopping power production from the fuel cell stack, monitoring the amount of energy remaining in an energy supply, monitoring the stack temperature, and repeatedly performing a predetermined warming operation if the stack temperature falls to a normal threshold temperature and if the amount of energy remaining exceeds a certain minimum amount.
Nissan Motor Co., Ltd.

Apparatus and discharging condensate of a fuel cell stack

An apparatus for discharging a condensate of a fuel cell stack, the apparatus includes a condensate storage container for storing the condensate from the fuel cell stack, a condensate level detector for detecting a condensate level in the condensate storage container, a discharge valve configured to be opened and closed to discharge the condensate from the condensate storage container, and a control unit for setting a condensate discharge level differently according to currents of the fuel cell stack, and for controlling the discharge valve to be opened when a condensate level measured by the condensate level detector reaches the condensate discharge level.. .
Hyundai Motor Company

Humidifier, for example for a fuel cell

A humidifier core includes a transfer sheet, a plurality of first channels, and a plurality of second channels. The transfer sheet comprises a permeable material having a plurality of sections and a plurality of layers of spacing materials.
Mann+hummel Gmbh

Fuel cell stack

A fuel cell stack is provided and includes a plurality of unit cells in which manifolds are provided and an end structural body that includes a current collector and an end plate. The end structural body is disposed at each of outermost sides of the unit cells.
Hyundai Motor Company

Fuel cell stack

A fuel cell stack includes a first separator and a second separator that are adhered to face each other between adjacent membrane electrode assemblies (meas) and each have a plurality of manifolds, a reacting region, and a guide region disposed between the plurality of manifolds and the reacting region. In the fuel cell stack, a first cooling medium guide channel guiding flow of a cooling medium between the plurality of manifolds and the reacting region is formed in the guide region of the first separator; a second cooling medium guide channel guiding flow of the cooling medium between the plurality of manifolds and the reacting region is formed in the guide region of the second separator; and at least portions of the first cooling medium guide channel and the second cooling medium guide channel overlap to communicate with each other..
Kia Motors Corporation

Method of making fuel cell component using adhesive tape to maintain positioning of loading material particles

A method of fabricating a fuel cell component for use with or as part of a fuel cell in a fuel cell stack, the method comprising: providing a fuel cell component, providing a deposition assembly for depositing loading material particles onto the fuel cell component, and actuating the deposition assembly to cause the deposition assembly to deposit said loading material particles onto said fuel cell component.. .
Fuelcell Energy, Inc.

Unsymmetric compact metal seal beads for fuel cell stack

A bipolar plate assembly and fuel cell stack with reduced leakage and a method of assembling a bipolar plate and fuel cell stack. The bipolar plates include—in addition to reactant channels and coolant channels that are fluidly coupled to inlet and outlet flowpaths, integrally-formed seals to help reduce leakage by maintaining fluid isolation of the reactants and coolant as they flow through their respective channels and flowpaths.
Gm Global Technology Operations Llc

Fuel cell regulation using loss recovery systems

Systems and methods are provided for regulating fuel cell backpressure or humidity in conjunction with a flow control assembly that recovers energy resulting from the regulation. An exemplary vehicle system includes a fuel cell stack, a flow control valve to regulate a fluid flow exiting the fuel cell stack, and a flow control assembly parallel to the flow control valve to generate electrical energy in response to a bypass portion of the fluid flow that bypasses the flow control valve based on an orientation of the flow control valve with respect to the fluid flow..
Honeywell International Inc.

Control method and system of fuel cell system

A control method and system of a fuel cell system are provided. The control method includes measuring humidity of air in a fuel cell stack and temporarily stopping an electricity generation of a fuel cell mounted within a vehicle when the measured humidity is predefined humidity or less..
Hyundai Motor Company

Fuel cell system and fuel cell vehicle

The fuel cell system is provided with a radiator, a first flow passage in which refrigerant flows from a fuel cell stack towards a radiator, a second flow passage in which refrigerant flows from the radiator towards a fuel cell stack, a bypass flow passage that connects the radiator with a position in the second flow passage at which refrigerant flows into the fuel cell stack, and a control part. In the bypass flow passage, an on-off valve and a reserve tank are provided from the upstream side.
Toyota Jidosha Kabushiki Kaisha

Fuel cell module

A fuel cell module includes combustion gas channel members connected to a combustor and extending upward along the fuel cell stack. The combustion gas channel members have combustion, gas channels, and combustion gas ejection holes.
Honda Motor Co., Ltd.

Fuel cell stack

A fuel cell stack includes seven current collecting members and six fuel cells that are alternate stacked with reference to the stacking direction. Each of the six fuel cells includes an anode, a cathode and a solid electrolyte layer that is disposed between the anode and the cathode and contains a zirconia-based material as a main component.
Ngk Insulators, Ltd.

Fuel cell stack end cells with improved diagnostic capabilities

Systems and methods are disclosed that provide for a fuel cell stack assembly including stack end cells that facilitate improved diagnostic and detection capabilities. In certain embodiments, an anode side of a fc stack end cell consistent with embodiments disclosed herein may be configured to have a lower anode gas flow rate than other cells in the fc stack.
Gm Global Technology Operations Llc

Fuel cell vehicle

In a fuel cell vehicle, a stack case containing a fuel cell stack is mounted in a front box. Exhaust ducts are connected to openings formed in an upper panel of the stack case.
Honda Motor Co., Ltd.

Apparatus for preventing deformation of fuel cell stack

An apparatus for preventing deformation of a fuel cell stack is provided. The apparatus includes a support unit, respective ends of which are connected to first endplates of a pair of stacked fuel cell stacks.
Hyundai Motor Company

Coatings for sofc metallic interconnects

Various methods of treating a chromium iron interconnect for a solid oxide fuel cell stack and coating the interconnect with a ceramic layer are provided.. .
Bloom Energy Corporation

Gas channel forming plate for fuel cell and fuel cell stack

A gas channel forming plate includes protrusions, which extend parallel with each other, gas channels that are respectively located between each adjacent pair of the protrusions, and water channels, which are respectively formed on the back surface of each protrusion. Each protrusion includes first communication portions and second communication portions.
Toyota Jidosha Kabushiki Kaisha

Fuel cell system coupled to a portable computing device

The disclosed embodiments relate to the design of a fuel cell system which is capable of both providing power to and receiving power from a rechargeable battery in a portable computing device. This eliminates the need for a bulky and heavy battery within the fuel cell system, which can significantly reduce the size, weight and cost of the fuel cell system.
Apple Inc.

Electric vehicle

A compressor, an intercooler, and a fuel cell stack are housed in a housing compartment. The compressor and the intercooler are connected with each other by upstream side piping, and the intercooler and the fuel cell stack are connected with each other by downstream side piping.
Toyota Jidosha Kabushiki Kaisha

Fuel cell system as well as a vehicle having such a fuel cell system

A fuel cell system (100) having a fuel cell stack (10) and a fuel cell cooling system (40) to cool the fuel cell stack (10), including a coolant path (4) into which the fuel cell stack (10) is integrated so as to transfer heat and in which at least one cooler (43) or heat exchanger is arranged. It is provided that the at least one cooler (43) or heat exchanger that does not have shock-hazard protection is interconnected so as to establish equipotential bonding (47), whereby at least one control element is arranged in the connection of the at least one cooler (43) or heat exchanger to equipotential bonding (47).
Volkswagen Ag

Use of neural network and eis signal analysis to quantify h2 crossover in-situ in operating pem cells

Methods for detecting a hydrogen leak and quantifying a rate of the same in a polymer electrolyte membrane fuel cell stack are provided, as well as a fuel cell diagnostic apparatus that diagnoses a hydrogen leak in a fuel cell stack.. .
Simon Fraser University

Fuel cell purge line system

A fuel cell system including a fuel cell stack, separator and a scavenging reservoir. The fuel cell stack is configured to generate water and reusable fuel.
Ford Global Technologies, Llc

Connector system for a fuel cell stack assembly

A fuel cell stack assembly comprises fuel cells disposed in a stacked configuration, each cell substantially parallel to an x-y plane and including a tab extending laterally from an edge of a plate in the cell in the x-direction to form an array of tabs extending along a side face of the fuel cell stack in a z-direction orthogonal to the x-y plane. A connector engages with the tabs of the fuel cell stack.
Intelligent Energy Limited

Apparatus for assembling fuel cell stack

An apparatus for assembling a fuel cell stack is provided. The apparatus exerts a force on fuel cell components stacked on a stacking guide and couples a pressed stacked body formed of the pressed fuel cell components by a fastening member.
Hyundai Motor Company

A clamp assembly for a fuel cell stack and a assembling a fuel cell stack

A clamp assembly for securing a fuel cell stack arrangement in a compressed condition. The stack includes an electrode assembly interposed between upper and lower current collectors, supportable between upper and lower endpiate structures.
University Of Cape Town

Fuel cell system with improved thermal management

There is disclosed a high temperature fuel cell system incorporating off-gas anode loop recycling and reforming. The fuel cell system includes a fuel cell stack having an anode inlet for fuel and an anode outlet for off-gas.
Lg Fuel Cell Systems Inc.

Electrochemical hydrogen sensor for global/local hydrogen starvation detection in pem fuel cells

A fuel cell stack hydrogen starvation detection device, a fuel cell system and a method of operating a fuel cell stack to protect it from hydrogen starvation conditions. In one particular form, the fuel cell system includes a stack of fuel cells, a controller and a detection device made up of one or more sensors that can compare a reference signal corresponding to the presence of substantially pure hydrogen to a signal that corresponds to a local hydrogen value within a single fuel cell within the stack or across multiple fuel cells within the stack.
Gm Global Technology Operations Llc

Stack protection method in case of emergency shut down or black out in solid oxide fuel cell system

The present invention relates to a stack protection method in case of emergency shut down or black out in a solid oxide fuel cell system and, more particularly, to a system and a method for, if supply of fuel gas and water to an anode channel of a stack is discontinued due to emergency shut down or black out, etc. In a solid oxide fuel cell system, preventing an anode from being contaminated by oxygen in the air and preventing re-oxidation of an anode material from occurring and cracks from forming on the stack due to the contamination.
Postech Academy-industry Foundation

Cooling system and operating cooling system

A cooling system of a vehicle having a fuel cell stack includes a pump for circulating a coolant in a coolant line passing through the fuel cell stack, a heater disposed on the coolant line for heating the coolant by electric power supplied by a drive motor of the vehicle, and a controller for operating the heater by a surplus electric power generated by the drive motor when a heat generation amount of the fuel cell stack is less than a first threshold value and a rotation speed of the pump is above a second threshold value, and for turning off the heater when the heat generation amount of the fuel cell stack is less than the first threshold value and the rotation speed of the pump is less than the second threshold value.. .
Hyundai Motor Company

Integrated sealing for fuel cell stack manufacturing

A seal and corresponding method of manufacture of stacks enabled by the physical properties of the seal are provided. In the instance of a fuel cell or other electrochemical stack, the seal provides low-cost manufacturing and reliable/durable operation in high temperature (e.g., 120° c.
Trenergi Corp.

Method for manufacturing separator of fuel cell stack

A method for manufacturing a separator of a fuel cell stack includes: forming a gasket on the separator of the fuel cell stack; masking a surface of the separator except for a region of the surface of the separator on which the gasket is formed; and inserting the partially masked separator into a chamber to cross-link the gasket.. .
Hyundai Motor Company

Driving control method and system of fuel cell vehicle

A driving control method and system for a fuel cell vehicle are provided. The driving control method includes monitoring, by a vehicle controller, information regarding vehicle conditions and entering a minimum driving mode when the monitored vehicle conditions meet minimum-driving-mode entry conditions.
Hyundai Motor Company

Control system for and control electric vehicle

To make a fuel cell stack reliably discharge at the time of vehicle collision, a control system for an electric vehicle is provided with a fuel cell stack generating electric power by an electrochemical reaction between fuel gas and oxidizing gas and supplying generated electric power to an electric motor for driving the vehicle, a first electrical resistor for discharge electrically connected to the fuel cell stack through an electrically controlled type discharge switch, a discharge control circuit controlling an on/off state of the discharge switch, and a collision detector detecting a vehicle collision and outputting a collision signal to the discharge control circuit. When a collision signal is input to the discharge control circuit, it turns the discharge switch on and electrically connects the fuel cell stack to the first electrical resistor for discharge, to thereby discharge the fuel cell stack.
Toyota Jidosha Kabushiki Kaisha



Fuel Cell Stack topics:
  • Fuel Cell Stack
  • Fuel Cell System
  • Heat Exchanger
  • Electrolyte
  • Internal Combustion Engine
  • Condensation
  • Evaporative Heat Exchanger
  • Combustion
  • Evaporation


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    This listing is a sample listing of patent applications related to Fuel Cell Stack 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 Stack with additional patents listed. Browse our RSS directory or Search for other possible listings.


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