Popular terms

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

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Fuel Cell Stack patents



      

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




Date/App# patent app List of recent Fuel Cell Stack-related patents
02/04/16
20160036084 
 Fuel cell stack patent thumbnailFuel cell stack
Disclosed herein is a fuel cell stack. The fuel cell stack includes: at least one unit stack comprising an assembly of unit cells and an enclosure protecting the unit stack.
Kia Motors Corporation


02/04/16
20160036076 
 Method of operating fuel cell system patent thumbnailMethod of operating fuel cell system
An operation method of a fuel cell system includes the step of determining whether or not performance recovery control of a fuel cell stack should be started. This operation method includes the step of, if it is determined that the performance recovery control should be started, supplying water content to a membrane electrode assembly by a water content adjusting device, while maintaining power generation voltage of the fuel cell stack at 0.3 v or lower in a state where an oxygen-containing gas is circulated through a closed circulation channel..
Honda Motor Co., Ltd.


02/04/16
20160036072 
 Air supply device using cooling water heater of fuel cell vehicle patent thumbnailAir supply device using cooling water heater of fuel cell vehicle
An air supply device using a cooling water heater of a fuel cell vehicle can effectively reduce cold starting time of the fuel cell vehicle and effectively remove moisture in a stack in cold shut down (csd) of the fuel cell vehicle. In the air supply device, a bypass flow path is formed to be branched from a first air supply line connected between an air blower for supplying air to a fuel cell stack and a humidifier for humidifying the air supplied to the stack.
Hyundai Motor Company


02/04/16
20160036070 
 Dynamically controlled heat exchange for cascading startup of fuel cell grids patent thumbnailDynamically controlled heat exchange for cascading startup of fuel cell grids
A “cascading startup controller” provides various techniques for quickly and efficiently initializing grids of interconnected fuel cells. In general, the cascading startup controller dynamically controls heat exchange between fuel cells in the grid to produce a cascading startup of the fuel cell grid via an expanding pattern of excess thermal energy routing from hotter fuel cell stacks to cooler fuel cell stacks.
Microsoft Corporation


02/04/16
20160036068 
 Printed multi-function seals for fuel cells patent thumbnailPrinted multi-function seals for fuel cells
A method for forming seals in a fuel cell stack includes a step of screen printing a first sealing layer on a first flow field plate. The first sealing layer defines a first pattern and has a first predetermined sealing layer thickness.
Gm Global Technology Operations Llc


01/21/16
20160020474 
 Driving control method and system of fuel cell system patent thumbnailDriving control method and system of fuel cell system
A driving control method and system of a fuel cell system are provided. The method includes monitoring an exterior temperature.
Hyundai Motor Company


01/14/16
20160013509 
 Fuel cell stack and fuel cell system patent thumbnailFuel cell stack and fuel cell system
A fuel cell stack obtained by stacking a plurality of fuel cells has an internal manifold that extends in a stacking direction of the fuel cells to externally discharge a gas used in the fuel cell, and an extension member that adjoins an inner wall surface of the internal manifold and extends in the stacking direction. The extension member is a bar-shaped member provided in an opposite side to a side where a gas from the fuel cells flows to the inside of the internal manifold and has a sloping surface making an acute angle with an inner-wall lower surface of the internal manifold..
Nissan Motor Co., Ltd.


01/14/16
20160013508 
 Fuel cell stack and assembly  same patent thumbnailFuel cell stack and assembly same
A fuel cell stack and a method of assembling a fuel cell stack includes compressing fuel cells along their stacking axis. A compression retention device made up of an enclosure may be used with one or more optional insertable shims to correct for any stack height variations.
Honda Motor Co., Ltd.


01/14/16
20160011071 
 Methods and systems for detecting defects in a fuel cell stack patent thumbnailMethods and systems for detecting defects in a fuel cell stack
A method for testing a fuel cell stack includes providing a fluid, such as an ammonia-containing fluid, in a first reactant flow path in a first portion of the fuel cell stack, detecting the presence of the fluid using a detector, such as an ammonia detector, positioned within or adjacent to a second portion of the fuel cell stack that is separated from the first portion of the fuel cell stack and determining the presence of a defect in the stack based on detecting the presence of the fluid. Further embodiments relate to testing a fuel cell stack using a microphone that detects an audio signal indicative of a stack defect..
Bloom Energy Corporation


01/07/16
20160006069 
 Housing for a fuel cell stack patent thumbnailHousing for a fuel cell stack
A housing for a fuel cell stack is disclosed. At least one wall has, at least in some sections, a structure which reinforces the wall.
Daimler Ag


01/07/16
20160006063 

Modular fuel cell systems and methods


A fuel cell module includes a fuel cell stack configured to produce an electrical output, power electronics circuitry configured to convert the electrical output of the fuel cell stack into a regulated output of the fuel cell module, module control electronics circuitry configured for communications within the fuel cell module and further configured for communications with master control electronics circuitry external to the fuel cell module, and a structure configured to connect together the fuel cell stack, the power electronics circuitry and the module control electronics circuitry as part of the fuel cell module that is unitary, and further configured for the unitary fuel cell module to be insertable as a unit into a multi-module system chassis.. .
Watt Fuel Cell Corp.


01/07/16
20160006062 

Energy generating unit comprising a high-temperature fuel cell stack and a vaporizing unit


The invention relates to an energy generation unit comprising a high-temperature fuel cell stack (10), which is operated with liquid fuel, and a reformer (11) connected upstream of the fuel cell stack for processing the fuel, a recirculation line (13) for at least partially feeding back the anode exhaust gas into the reformer (1) and a device for feeding the liquid fuel into the anode exhaust gas. In accordance with the invention, the invention for feeding the fuel is in the form of an evaporator device (20), comprising a housing (21) which has an evaporator nonwoven (23) in the region of the fuel feed line (22), wherein the hot anode exhaust gas can be applied to said evaporator nonwoven from the recirculation line (13)..
Avl List Gmbh


01/07/16
20160006060 

Method of controlling operation of fuel cell system


A method of controlling the operation of a fuel cell system is provided. The method includes diagnosing a water shortage state in a fuel cell stack based on degradation of cooling performance and deterioration of the fuel cell stack and determining a diagnosis level of the fuel cell system based on the diagnosed water shortage state of the fuel cell stack.
Kia Motors Corporation


01/07/16
20160006059 

Driving control method and system of fuel cell system


A driving control system and method of a fuel cell system are provided. The driving control method includes determining, by a controller, when a fuel cell stack is in a water shortage, based on an oversupply of air to the fuel cell stack or a deterioration of the fuel cell stack.
Kia Motors Corporation


01/07/16
20160002030 

Hydrogen generator having liquid delivery member


A hydrogen generator and method for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes container, and a first reactant storage area configured to contain a liquid first reactant.
Intelligent Energy Inc.


12/31/15
20150380745 

Flow field plate for a fuel cell


A flow field plate for a bipolar plate or bipolar plate assembly of a fuel cell or a fuel cell stack has an electrode facing front side, a backside and at least a cooling fluid manifold for supplying cooling fluid to the flow field plate. The backside includes a cooling fluid flow field for substantially uniformly distributing the cooling fluid over the flow field, plate.
Powercell Sweden Ab


12/24/15
20150372334 

Fuel cell and fuel cell stack


A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors (12, 13), respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with the connector (13), cell contact portions (19b) in contact with the electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between the connector contact portions (19a) and cell contact portion (19b).
Ngk Spark Plug Co., Ltd.


12/24/15
20150372327 

Sealing a fuel cell stack


A fuel cell stack assembly comprises a stack of fuel cells, each fuel cell having an air flow conduit with an input/output ventilation aperture disposed on a ventilation face of the stack, the ventilation apertures forming an array over said ventilation face of the stack. A membrane is moveable between a first configuration in which the ventilation face is occluded and a second configuration in which the ventilation face is not occluded.
Intelligent Energy Limited


12/24/15
20150372326 

Fuel cell system


A fuel cell system is provided having multiple individual fuel cells which are combined to form a fuel cell stack, and having two current collectors which adjoin the two end-side individual fuel cells. The current collectors are each adjoined directly, or with the interposition of an isolation plate, by an end plate.
Bayerische Motoren Werke Aktiengesellschaft


12/24/15
20150372320 

Stack structure for fuel cell


Provided is a fuel cell stack structure. The fuel cell stack structure includes first and second cell modules and first and second separation plates.
Mico Co., Ltd.


12/24/15
20150372319 

Fuel cell and fuel cell stack


A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors, respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with connector (13), cell contact portions (19b) in contact with electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between connector contact portions (19a) and cell contact portion (19b).
Ngk Spark Plug Co., Ltd.


12/17/15
20150364785 

Apparatus for assembling fuel cell stack


An apparatus for assembling a fuel cell stack includes a cartridge provided on a horizontal surface at an inclined angle and serving to support a plurality of sheets of stack-assembly materials so that a bottom surface and a lateral surface of the stack-assembly material are supported by inner surfaces thereof. An angle-adjustment unit variably adjusts the inclined angle of the cartridge in response to a degree of stacking of the stack-assembly materials..
Kia Motors Corporation


12/17/15
20150364782 

Fuel cell module


A fuel cell module includes a fuel cell stack, a reformer, and an exhaust gas combustor. The fuel cell stack has an oxygen-containing exhaust gas channel and a fuel exhaust gas channel at one end in a stacking direction of fuel cells.
Honda Motor Co., Ltd.


12/17/15
20150364778 

Fuel cell controlling the same


A fuel cell system and a method for controlling the fuel cell system are provided. The fuel cell system includes a compressor that is configured to supply air and a humidifier that includes a supply portion connected to the compressor and an air supply pipe to supply moisture to the supplied air and supply the humidified air to a fuel cell stack.
Hyundai Motor Company


12/17/15
20150362560 

System and diagnosing state of fuel cell stack and controlling fuel cell system


A system and method for diagnosing the state of a fuel cell stack are provided. The method includes simultaneously applying currents having respective first and second frequencies to a fuel cell stack and computing fourier transforms of output currents and voltages from the fuel cell stack based on the applied currents.
Hyundai Motor Company


12/10/15
20150357663 

Power-on shutdown of fuel cell power plant for enhanced durability


A technique is disclosed of modified shut-down of a fuel cell power plant (14) having a fuel cell stack assembly (26) contained with and supplying electrical power to a mobile vehicle (12). The vehicle characteristically proceeds at intervals to a station (10) containing one or more resources (20, 20a, 20b, 20c, etc) utilized by the fuel cell power plant, for resupply thereof.
Audi Ag


12/10/15
20150357657 

Control and heating of fuel cell stack coolant thermal mass


A fuel cell system is includes a fuel cell stack with a cooling line arrangement configured to pass coolant through the stack, a pump configured to move the coolant through the arrangement, and at least one controller. The controller is programmed to, in response to a start-up event for the stack at an ambient temperature less than a first threshold value, initiate operation of the stack and to prevent activation of the pump in order to promote static flow conditions within the arrangement..
Ford Global Technologies, Llc


12/10/15
20150357656 

Fuel cell assemblies and preparation methods therfor


A fuel cell assembly for a solid polymer electrolyte fuel cell stack may employ a construction in which a plastic film frame is used to frame a catalyst coated membrane within. In one advantageous embodiment, the plastic film frame is adhesive coated on one side and laminated at its inner edge to one surface of the catalyst coated membrane and at its outer edge to the flow field plate on the opposite side.
Nissan Motor Co., Ltd


12/03/15
20150349359 

Fuel cell system


A fuel cell system sets the larger one of a stack request compressor supply flow rate calculated based on a request of a fuel cell stack and a system request compressor supply flow rate calculated based on a request by the fuel cell system as a target compressor supply flow rate and controls a compressor according to the target compressor supply flow rate. The fuel cell system also controls a bypass valve based on a stack supply flow rate and a target stack supply flow rate to be supplied to the fuel cell stack.
Nissan Motor Co., Ltd.


12/03/15
20150349354 

Fuel cell stack


A fuel cell stack has a stacked plurality of single cells. Each of the single cells has a membrane electrode assembly, and a pair of separators sandwiching the membrane electrode assembly therebetween.
Nhk Spring Co., Ltd.


11/26/15
20150340724 

Reactant manifolds for fuel cell stacks operating below freezing


At below freezing temperatures, ice blockages can be prevented in the reactant outlet manifolds of solid polymer electrolyte fuel cell stacks by modifying the internal design of the manifolds. The reactant outlet manifold comprises a divider dividing the manifold into an upper duct section and a lower main flow section and the divider comprises a plurality of ports fluidly connecting the duct section to the main flow section.
Ford Motor Company


11/26/15
20150340722 

Fuel cell stack assembly and assembly


A fuel cell stack assembly (100) comprising a first encapsulation member (102) comprising a first end plate (106) and two side walls (108) extending transversely from the first end plate (106). The distal portion of each of the side walls (108) comprises a lip (110).
Intelligent Energy Limited


11/26/15
20150340714 

Separator for fuel cells, fuel cell, fuel cell stack, and manufacturing separator for fuel cells


A separator for fuel cells is provided. The separator includes: a base material; an underlying plate layer formed on the base material; and a gold plate layer formed on the underlying plate layer by means of electroless plating.
Toyo Kohan Co., Ltd.


11/26/15
20150340703 

Electrode material, membrane-electrode assembly, fuel cell stack, and manufacturing electrode material


An electrode material according to one embodiment includes an electrode catalyst, which includes a conductive support supporting an active catalyst, and a porous inorganic material partially coating the electrode catalyst. The pore surfaces of the porous inorganic material are modified by a basic functional group.
Jx Nippon Oil & Energy Corporation


11/26/15
20150337971 

Fuel cell compound valve for vehicle


A fuel cell compound valve that opens and closes an inflow line and an exhaust line of a fuel cell stack for a hydrogen fuel cell vehicle includes a support frame having a first bore to which the exhaust line is connected and a second bore to which the inflow line is connected. A first rotation valve is configured to receive a driving torque of a motor installed in the support frame, rotate, and open and close the first bore.
Hyundai Motor Company


11/19/15
20150333356 

Fuel cell stack assembly and assembly


A fuel cell stack assembly comprising: a first encapsulation member (302) comprising a first end plate and two side walls extending transversely from the first end plate; a second encapsulation member (304) comprising a second end plate; one or more fuel cells (330) located between the first end plate and second end plate; and two locking members (310) that are configured to engage with a respective side wall of the first encapsulation member (302) and the second encapsulation member (304), in order to retain the first end plate and the second end plate in a fixed relative position, wherein the side walls of the first encapsulation member (302) are each configured to: engage with the second encapsulation member (304) in order to provide a compression force to the one or more fuel cells (330), and receive the respective locking member (310) in a direction that is parallel to the plane of the one or more fuel cells (330).. .
Intelligent Energy Limited


11/19/15
20150333355 

Fuel cell stack assembly and assembly


A fuel cell stack assembly (200) comprising: a first encapsulation member (202) comprising a first end plate (204) and two side walls (208) extending transversely from the first end plate (204); a second encapsulation member (204) comprising a second end plate (205); and one or more fuel cells located between the first end plate (206) and second end plate (205), wherein the side walls (208) of the first encapsulation member (202) are, or the second encapsulation member (204) is, deformable in order for the first encapsulation member (202) to engage with the second encapsulation member (204) and retain the first end plate (206) and the second end plate (205) in a fixed relative position.. .
Intelligent Energy Limited


11/19/15
20150333346 

Fuel cell stack


A fuel cell stack includes a stacked body, a fluid manifold, a first terminal plate, a first insulator, a first end plate, a terminal electrode, and a heat pipe assembly. The first terminal plate is provided on a first end of the stacked body in a stacking direction.
Honda Motor Co., Ltd.


11/12/15
20150325875 

Fuel cell stack and load bearing method involving use of fuel cell stack


A fuel cell stack has stacked individual fuel cells, each of the fuel cells having a cell frame, and an anode separator and a cathode separator disposed on respective sides of the cell frame, in which an electrolyte membrane joined with an anode side gas diffusion layer and a cathode side gas diffusion layer on respective sides thereof is disposed in the cell frame, an anode side load bearing member that bonds and fixes the anode separator, the cell frame, and the gas diffusion layer to each other, so as to receive a compressive load acting in a stacking direction of the fuel cell, and a cathode side load bearing member that bonds and fixes the cathode separator, the cell frame, and the gas diffusion layer to each other so as to receive a compressive load acting in the stacking direction of the fuel cell.. .
Nissan Motor Co., Ltd.


11/12/15
20150325871 

Procedure for detecting the state of permeability of the ion exchange polymer membrane of a fuel cell


An automated method or procedure for detecting a permeability state of a membrane of a fuel cell stack is provided. The procedure is sensitive enough to detect a defective membrane, and is accurate enough to enable correct maintenance of the fuel cell stack.
Michelin Recherche Et Technique S.a.


11/12/15
20150325870 

Fuel cell stack


A fuel cell stack has a stacked plurality of cell modules, each of the plurality of cell modules comprising a stacked plurality of single cells, each of the plurality of single cells comprising a membrane electrode assembly sandwiched between a pair of separators, a pair of end plates that sandwich the plurality of cell modules in the stacking direction, sealing plates to seal a reactant gas, disposed between the plurality of cell modules and between outermost cell modules and the end plates, and a voltage measuring terminal protruding to an outside of the cells, provided in at least one of the sealing plates.. .
Nissan Motor Co., Ltd.


11/12/15
20150321579 

System and supercharging fuel cell


A technique for supercharging a fuel cell is provided. In particular, a speed of an acceleration pedal is calculated and a first output order value of a fuel cell stack or a second output order value of the fuel cell stack which is smaller than the first output order value is set, in accordance with the value of the calculated speed.
Kia Motors Corporation


11/05/15
20150318565 

System and controlling fuel cell vehicle


A system and method of controlling a fuel cell vehicle are provided. The method includes adjusting power output from a plurality of fuel cell stacks based on entire output power required by a fuel cell vehicle and a state of charge (soc) of a battery..
Hyundai Motor Company


11/05/15
20150318564 

Bop system of solid oxide fuel cell, solid oxide fuel cell stack module, and operating the solid oxide fuel cell


The present invention relates to a balance of plant (bop) system of solid oxide fuel cells including a burner, a reformer, a steam generator, and heat exchangers, wherein the burner, the reformer and the steam generator are laid sequentially on top of each other to transmit the flames and burned gas generated from the burner directly to the reformer and the steam generator disposed sequentially on top of the burner, and the heat exchangers introduce the flue gas discharged from the steam generator thereinto and preheat the process air to be supplied to cathodes of stacks.. .
Korea Institute Of Energy Research


11/05/15
20150318563 

Fuel cell with separator, manufacturing same, and fuel cell stack


A fuel cell with separator includes a fuel cell body having a cathode, an anode, and a solid electrolyte layer disposed between the cathode and the anode; a plate-like metal separator having first and second main surfaces and an opening which opens at the first and second main surfaces; a joint formed of an ag-containing brazing filler metal and adapted to join the fuel cell body and the first main surface of the metal separator; and a seal formed of a glass-containing sealing material and disposed closer to the opening than is the joint, the seal being located between the first main surface and the fuel cell body and extending along the entire perimeter of the opening.. .
Ngk Spark Plug Co., Ltd.


11/05/15
20150318562 

Fuel cell stack


A fuel cell stack has a multiplicity of individual cells, which each include an anode flow field, a membrane electrode arrangement, and a cathode flow field. Each flow field has a media inlet and channels for carrying the media.
Daimler Ag


11/05/15
20150314702 

Emergency power supply system for fuel cell-powered vehicle


An emergency power supply system for a fuel cell-powered vehicle is provided. In particular, the system includes a low voltage dc-dc converter (ldc) designed to convert an output voltage from either a fuel cell stack, or a bi-directional high voltage dc-dc converter into a low voltage and supply the low voltage to a low voltage battery, a dc-dc converter designed to convert an output voltage from either the fuel cell stack or the bi-directional high voltage dc-dc converter into a low voltage, and a fuel cell controller designed to determine whether to supply an output voltage from the dc-dc converter to an output voltage supply line of the low voltage battery..
Hyundai Motor Company


10/29/15
20150311559 

Fuel cell stack


A fuel cell of a fuel cell stack includes a power generation reaction area, a marginal area around the power generation reaction area, and a first reactant gas flow area and a second reactant gas flow area. The first reactant gas flow area and the second reactant gas flow area are provided outside the power generation reaction area and inside the marginal area.
Honda Motor Co., Ltd.


10/29/15
20150311551 

Fuel cell system


A power generation system which is a fuel cell system including a preheating device that preheats a fuel, a preliminary reforming device that reforms the preheated fuel, a fuel cell stack module in which the reformed fuel reacts to generate electric power, and a circulating device that selectively supplies a product generated in the fuel cell stack module to the preheating device.. .
Posco Energy Co., Ltd


10/29/15
20150311548 

Integrated recirculating open cathode fuel cell system


A pem fuel system includes a fuel cell stack comprising one or more pem fuel cells and fan configured to provide process air to supply oxidizer to and cool the fuel cell stack. The system has an air duct coupled to the fan and the fuel cell stack, and an electrical service load coupled to the fuel cell stack for receiving electrical power generated from reactions within the fuel cell stack.
Altergy Systems


10/29/15
20150311547 

Fuel cell cathode balance of plant freeze strategy


A system and method for a cathode subsystem in a fuel cell system. The system includes a fuel cell stack, a cathode inlet line that provides cathode air to a fuel cell stack and a cathode exhaust line that exhausts a cathode exhaust gas out of the fuel cell stack.
Gm Global Technology Operations Llc


10/29/15
20150311538 

Fuel cell interconnect with reduced voltage degradation over time


A method of making an interconnect for a solid oxide fuel cell stack includes providing a chromium alloy interconnect and providing a nickel mesh in contact with a fuel side of the interconnect. Formation of a chromium oxide layer is reduced or avoided in locations between the nickel mesh and the fuel side of the interconnect.
Bloom Energy Corporation


10/22/15
20150303500 

System and controlling performance of fuel cell stack


A system and method of controlling a performance of a fuel cell stack is provided. In particular, the output performance of the fuel cell stack is determined by comparing the difference between an initial voltage and a voltage after a predetermined time lapses with the difference between the initial voltage and a preset minimum voltage..
Hyundai Motor Company


10/22/15
20150303490 

Method of manufacturing a fuel cell stack having an electrically conductive interconnect


A method of manufacturing a solid oxide fuel cell stack having an electrically conductive interconnect, including the steps of: (a) providing a first fuel cell and a second fuel cell, (b) providing a substrate having an iron-chromium alloy, (c) depositing a layer of metallic cobalt over a portion of substrate surface, (d) subjecting the layer of metallic cobalt to reducing conditions, (e) then exposing the remaining portion of the layer of metallic cobalt to oxidizing conditions for a predetermined time and temperature, such that the surface portion of the layer of metallic cobalt is oxidized to cobalt oxide, thereby forming the electrically conductive interconnect having a layer of metallic cobalt sandwiched between a surface layer of cobalt oxide and the layer of cobalt-iron-chromium alloy, and (f) sandwiching the substrate between the first and second fuel cells.. .
Delphi Technologies, Inc.


10/15/15
20150295268 

Fuel cell stack manufacturing method


A fuel cell stack manufacturing method includes: a step of disposing a fuel cell stack so as to be sandwiched between a first fastening member and a second fastening member; a step of temporarily fastening the fuel cell stack by inserting a jig into a hole-form first connecting portion formed on each end portion of the first fastening member and a second connecting portion formed on each end portion of the second fastening member while applying pressure to the fuel cell stack at a predetermined load; a step of performing aging processing on the temporarily fastened fuel cell stack in order to advance creep deformation of the fuel cell stack; and a step of inserting a pin into the first connecting portion and the second connecting portion while reapplying the pressure.. .

10/15/15
20150295267 

Fuel cell stack


A fuel cell stack has at least two cell modules, each of which includes an integrally-stacked plurality of fuel-cell single cells, and a sealing plate interposed between the cell modules. The sealing plate comprises a sealing member that seals an interface between the sealing plate and an edge part of the cell modules.

10/15/15
20150295266 

Cell module and fuel cell stack


With regard to at least one unit cell out of a plurality of unit cells, when the at least one unit cell is viewed along a stacking direction of the plurality of unit cells, at least one bonding area out of first to third bonding areas is formed at a position that does not overlap with another bonding area.. .

10/15/15
20150295260 

Fuel cell module


A fuel cell (fc) module includes a fuel cell stack and fc peripheral equipment. The fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area around the first area and where a reformer and a heat exchanger are provided, and an annular third area around the second area and where an evaporator is provided..

10/15/15
20150295259 

Fuel cell module


A fuel cell module includes a fuel cell stack and fc peripheral equipment. The fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, a second area where a reformer and an evaporator are provided, and a third area where a heat exchanger is provided.

10/15/15
20150295257 

Integrated recirculating fuel cell methods


A pem fuel system includes a fuel cell stack comprising one or more pem fuel cells and fan configured to provide process air to supply oxidizer to and cool the fuel cell stack. The system has an air duct coupled to the fan and the fuel cell stack, and an electrical service load coupled to the fuel cell stack for receiving electrical power generated from reactions within the fuel cell stack.

10/15/15
20150295255 

Purge control fuel cell


A purge control system and method is provided. In particular, one or more sensors measure pressures of an anode and a cathode of a fuel cell stack.

10/15/15
20150292298 

Geothermic heater system


A geothermic heater system for heating a geological formation includes a fuel cell stack assembly disposed at the surface of the geological formation and includes a plurality of fuel cells which convert chemical energy from a fuel into electricity through a chemical reaction with an oxidizing agent, thereby producing an anode exhaust and a cathode exhaust. The geothermic fuel cell system also includes a combustor disposed within a bore hole of the geological formation.

10/08/15
20150288020 

Fuel cell stack


A fuel-cell stack includes a cell stack having first and second flow channels, all of which extend in a direction of stack of single cells so as to open on an end surface in the direction of stack, and also includes a manifold piping structure connected to openings of the first and second flow channels. The manifold piping structure includes first and second connecting pipes respectively connected to the openings of the first and second flow channels, and a plate-like member disposed on an end surface of the cell stack to connect the first and second connecting pipes.

10/08/15
20150288017 

Fuel cell module


A fuel cell module includes a fuel cell stack and fuel cell peripheral equipment. The fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, a second area where a reformer and an evaporator are provided, and a third area where a heat exchanger is provided.

10/08/15
20150288015 

Module level redundancy for fuel cell systems


This disclosure relates to module level redundancy for fuel cell systems. A monitoring component monitors a set of operational parameters for a fuel cell group.

10/08/15
20150288007 

Fuel cell system control using an inferred mass air flow


A fuel cell system includes a fuel cell stack for generating power, a compressor providing an air stream to the stack, and a controller. The controller is configured to, in response to determining a mass air flow through the compressor from a lookup table using a speed of the compressor and a pressure ratio across the compressor, operate the fuel cell system based on the mass air flow.

10/08/15
20150288003 

Isolating water transport plates from elastomer seals


A fuel cell stack (11) includes a plurality of contiguous fuel cells (13), each including a unitized electrode assembly (15) sandwiched between porous, anode (22) and cathode water transport plates (18). In areas where silicone rubber (29) or other elastomer covers edges of the fuel cells in order to form seals with an external manifold (27), adjacent edges of the water transport plates are supplanted by, or augmented with, an elastomer-impervious material (34).

10/01/15
20150280269 

Fuel cell stack


A fuel cell stack includes a stack body formed by stacking a plurality of fuel cells together in a stacking direction. A second end plate is provided at one end of the stack body in the stacking direction.
Honda Motor Co., Ltd.


10/01/15
20150280268 

Fuel cell stack


A fuel cell stack includes fuel cells, first and second rectangular end plates, and side panels. The fuel cells are stacked in a stacking direction to form a stacked fuel cells having a first end and a second end opposite to the first end in the stacking direction.
Honda Motor Co., Ltd.


10/01/15
20150280263 

Fuel cell module


A fuel cell module is made up of a fuel cell stack and fuel cell peripheral equipment. The fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area around the first area and where a reformer and an evaporator are provided, and an annular third area around the second area and where a heat exchanger is provided..
Honda Motor Co., Ltd.


10/01/15
20150280261 

Cell voltage monitoring connector system for a fuel cell stack


A fuel cell stack assembly comprising an electrical connection system for cell voltage monitoring is described. The fuel cell stack (80) has a plurality of fuel cells disposed in a stacked configuration, each cell having a membrane-electrode assembly (mea) sandwiched between an anode flow field plate and a cathode flow field plate.
Intelligent Energy Limited


10/01/15
20150280257 

Heater with a fuel cell stack assembly and a combustor and operating


A heater includes a heater housing; a fuel cell stack assembly within the heater housing and having a plurality of fuel cells; a combustor within the heater housing for combusting a mixture of fuel and air to form a heated combustor exhaust that is discharged into the heater housing; a combustor fuel supply conduit for supplying the fuel to the combustor; an anode exhaust conduit for communicating anode exhaust from the fuel cell stack assembly out of the heater housing; and a combustor bypass conduit in fluid communication with the combustor fuel supply conduit and the anode exhaust conduit for allowing a portion of the fuel to bypass the combustor.. .
Delphi Technologies, Inc.


09/24/15
20150270565 

System and recovering output of fuel cell


A system and method for recovering an output of a fuel cell is provided. The system and method for recovering an output of a fuel cell includes: an output recovering device connected to a fuel cell stack through at least one coolant heater line; and a vehicle controller configured to communicate with the output recovering device and control supply of a coolant, air, and hydrogen to the fuel cell stack.
Hyundai Motor Company


09/24/15
20150270563 

Apparatus and controlling fuel cell system using reconfigurable switch network


Disclosed herein is an apparatus for controlling a fuel cell system, which includes multiple hot boxes including multiple fuel cell stacks, using a reconfigurable network having linear switching complexity, includes: a power conversion system for supplying outputs of normal stacks among the multiple fuel cell stacks to a load; at least one auxiliary power conversion system for supplying an output of at least one deteriorated stack among the multiple stacks to a load; a reconfigurable switch network for connecting in series or in parallel stacks of any hot box to stacks of another hot box; and a control unit for controlling an operation of the reconfigurable switch network by detecting a state of each of the stacks.. .
Snu R&db Foundation


09/24/15
20150270562 

Fuel cell vehicle


A stack case of a fuel cell vehicle contains a fuel cell stack, and the stack case is mounted in a front room. Openings are formed at one pair of diagonal positions of an upper panel forming an upper surface of the stack case.
Honda Motor Co., Ltd.


09/24/15
20150270558 

Cathode contact layer design for preventing chromium contamination of solid oxide fuel cells


In embodiments, a fuel cell stack is provided that includes an interconnect between a first fuel cell and a second fuel cell, and a contact layer in contact with, and disposed between, an electrode of the first fuel cell and the interconnect. The contact layer may include a chromium-getter material.
Versa Power System Ltd.


09/17/15
20150263372 

Solid oxide fuel cell stack


Disclosed is a solid oxide fuel cell stack. The solid oxide fuel cell stack includes a unit cell, a cell frame configured to support an edge of the unit cell, a interconnecting member disposed under the cell frame, a sealing member disposed between the cell frame and the interconnecting member, and a spacer member configured to uniformly maintain an interval between the cell frame and the interconnecting member.
Mico Co., Ltd.


09/17/15
20150263359 

Electrical signal processing system for fuel cell stack


A system and method for processing the electric signals from a plurality of fuel cells in a fuel cell system is disclosed. Groups of the plurality of fuel cells, such as five bipolar plates, are electrically coupled to a conductive compressible connector or a circuit board, where some of the bipolar plates have a plate contactor for providing the electrical contact to either the conductive compressible connector or the circuit board.
Gm Global Technology Operations Llc


09/10/15
20150255810 

Excess coolant fluid feed to fuel cell stacks


A fuel cell stack assembly has a plurality of fuel cells each having a fluid coolant conduit. A coolant feed inlet manifold has a coolant inlet, and the coolant feed inlet manifold is coupled to each fluid coolant conduit for distribution of coolant to each fuel cell.
Intelligent Energy Limited


09/10/15
20150255809 

Fuel cell system having heat exchanger


A fuel cell system having a heat exchanger capable of separating gas and liquid is disclosed. In one aspect, the fuel cell system includes a fuel cell stack and an inlet header connected to the fuel cell stack, wherein the inlet header comprises first and second surfaces opposing each other.
Samsung Sdi Co., Ltd.


09/10/15
20150255807 

Methods and systems for fuel cell stack sintering and conditioning


Systems and methods for sintering and conditioning fuel cell stacks utilizing channel guides, baffles, and internal compression systems are provided. Sintering and conditioning may be performed utilizing a fuel cell column cartridge assembly and fuel cell stacks may be sintered and conditioned at the system level during the same annealing cycle on the same support..
Bloom Energy Corporation


09/10/15
20150255806 

Current collector for a fuel cell


A fuel cell stack assembly has a plurality of cells in a stack configuration. Each cell comprises a membrane-electrode assembly disposed between an anode flow plate and a cathode flow plate.
Intelligent Energy Limited


09/10/15
20150251560 

Mount structure for fuel cell stack


A mount structure includes side mounts for holding a fuel cell stack to thereby fix the fuel cell stack to first vehicle frames, and rear mounts for fixing the fuel cell stack to a second vehicle frame. The strength of the side mounts is lower than the strength of the rear mounts.
Honda Motor Co., Ltd.


09/03/15
20150249280 

Fuel cell system to power a portable computing device


The disclosed embodiments relate to the design of a portable and cost-effective fuel cell system for a portable computing device. This fuel cell system includes a fuel cell stack which converts fuel into electrical power.
Apple Inc.


08/27/15
20150244277 

Fuel cell system in a bipolar high-voltage network and operating a bipolar high-voltage network


A bipolar high-voltage network for an aircraft or spacecraft. The network includes at least one dc-dc converter having two unipolar input connections and two bipolar output connections as well as a reference potential connection, at least two fuel cell stacks which are coupled in series between the two unipolar input connections, and at least two discharge diodes, each connected in parallel with the output connections of one of the at least two fuel cell stacks.
Airbus Operations Gmbh


08/27/15
20150244014 

Hydrogen generator having reactant pellet with concentration gradient


A hydrogen generator is provided for generating hydrogen gas for a fuel cell stack. The hydrogen generator includes a container, and a liquid reactant storage area configured to contain a liquid including a first reactant.
Intelligent Energy Inc.


08/27/15
20150244011 

Electrochemical impedance spectroscopy (eis) analyzer and using thereof


Systems, methods, and devices of the various embodiments provide a hardware and software architecture enabling electrochemical impedance spectroscopy (“eis”) to be performed on multiple electrochemical devices, such as fuel cells, at the same time without human interaction with the electrochemical devices. In an embodiment, a matrix switch may connect each cell of a fuel cell stack individually to an eis analyzer enabling eis to be performed on any fuel cell in the fuel cell stack.
Bloom Energy Corporation


08/27/15
20150244009 

Back-up fuel cell electric generator comprising a compact manifold body, and methods of managing the operation thereof


A fuel cell electric generator designed for back-up in the absence of network electricity supply. The generator comprises a fuel cell stack, means for supplying the stack with a first and a second reagent flow comprising, in turn, pressure reducing means, and a manifold body to communicate with the stack said first and second reagent flows and at least a flow of coolant fluid via a respective coolant loop.
Electro Power Systems S.p.a.


08/27/15
20150244006 

Fuel cell vehicle


A fuel cell vehicle is equipped with a fuel cell system including a fuel cell stack, a fuel gas unit, and an oxygen-containing gas unit. In the fuel gas unit, two or more fuel gas system members are assembled together.
Honda Motor Co., Ltd.


08/20/15
20150236361 

Coolant fluid feed to fuel cell stacks


A fuel cell stack assembly has a plurality of cells each having a fluid coolant conduit. A coolant feed manifold has a first inlet and a second inlet and is coupled to each fluid coolant conduit for distribution of fluid coolant within each cell.
Intelligent Energy Limited


08/13/15
20150229202 

Dc/dc power converter control strategy for source protection


A controller (11a) of a dc/dc converter (10a) responsive to power output of a fuel cell power plant (13) operates under a control strategy which determines if fuel cell voltage exceeds a limit, and if so, provided neither fuel cell output current nor dc/dc converter output current is excessive, causes an increase in dc/dc converter duty cycle to thereby increase power demanded from the fuel cell stack. This eliminates the need for conventional voltage limiting to protect fuel cells from corrosion.
Ballard Power Systems, Inc.


08/13/15
20150228998 

Fuel cell limiting the phenomenon of corrosion


A fuel cell stack includes first and second membrane electrode assemblies and a metal bipolar plate interposed between the first and second membrane electrode assemblies. The bipolar plate comprises first and second metal sheets facing the first and second membrane electrode assemblies and is securely fastened by welds.
Commissariat á I'énergie Atomique Et Aux énergies Alternatives


08/13/15
20150228990 

Structure and fuel cell system where multiple fuel cells and power electronics feed loads in parallel allowing for integrated electrochemical impedance spectroscopy (eis)


Systems, methods, and devices of the various embodiments enable electrochemical impedance spectroscopy (“eis”) to be performed on electrochemical devices, such as fuel cell stack segments, by power electronics connecting the electrochemical devices in parallel to a common load and/or bus. In an embodiment, the power electronics may compensate for any ripple generated during eis such that no ripple is realized at the common load and/or bus..
Bloom Energy Corporation


08/13/15
20150224894 

Method for diagnosing fuel cell stack


A method for diagnosing a fuel cell includes measuring a current and a voltage of a fuel cell stack while a fuel cell vehicle operates and sequentially storing the measured current and voltage. Whether or not the fuel cell vehicle operates at a constant current based on the stored current is determined.
Hyundai Motor Company


08/06/15
20150221970 

Fuel cell stack assembly


The invention relates to a fuel cell stack assembly (100) and an associated method of assembling the fuel cell stack. The fuel cell stack assembly (100) comprises a plurality of fuel cell assemblies (102) adjacent to one another, a first end plate (104) at a first end (106) of the plurality of fuel cell assemblies, a second end plate (108) at a second opposing end (110) of the plurality of fuel cell assemblies and a tie rod (112) configured to engage the first and second end plates (104, 108) and thereby apply a compression force to the plurality of fuel cell assemblies (102).
Intelligent Energy Limited


08/06/15
20150221964 

Freeze start-up fuel cell system


Methods are disclosed for starting up a fuel cell system from subzero temperatures using the latent heat of crystallization available in a water supply maintained at above freezing temperature. During start-up, a water spray subsystem is used to spray water from the supply onto a heat exchange surface in a heat exchange element through which coolant from a fuel cell stack coolant circuit is circulating.
Ford Motor Company


08/06/15
20150221957 

Method of making fuel cell interconnect using powder metallurgy


Methods of fabricating an interconnect for a fuel cell stack include providing a powder in a die cavity of a powder press apparatus, where the powder includes at least one of a pre-alloyed powder and a pre-sintered powder, compressing the powder in the die cavity of the powder press apparatus using high velocity compaction to form a pressed powder interconnect, and incorporating the pressed powder interconnect into a fuel cell stack, wherein the pressed powder interconnect is incorporated into the fuel cell stack without first sintering the pressed powder interconnect.. .
Bloom Energy Corporation




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

Follow us on Twitter
twitter icon@FreshPatents

###

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.


1.4019

5150

0 - 1 - 101