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Fuel Cell Stack patents



      
           
This page is updated frequently with new Fuel Cell Stack-related patent applications. Subscribe to the Fuel Cell Stack RSS feed to automatically get the update: related Fuel RSS feeds. RSS updates for this page: Fuel Cell Stack RSS RSS


Suzuki Motor

Fuel cell apparatus for vehicles

Date/App# patent app List of recent Fuel Cell Stack-related patents
05/28/15
20150147679
 Fuel cell interconnect with reduced voltage degradation over time patent thumbnailnew patent 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
05/28/15
20150147671
 Fuel cell  vehicles patent thumbnailnew patent Fuel cell vehicles
A vehicle fuel cell apparatus includes a fuel cell stack configured to take in air as a reaction gas and a coolant through an air intake aperture area, and discharge temperature-raised air through air discharging aperture areas. An air suction duct, air discharge ducts, and air discharge fans take in air to the air suction duct.
Suzuki Motor Corporation
05/21/15
20150140468
 Fuel cell system components patent thumbnailFuel cell system components
A fuel cell stack module includes a plurality of fuel cell stacks, a base supporting the plurality of fuel cell stacks, and a metal shell located over the base and the fuel cell stacks. The metal shell contains an integrated heat exchanger..
Bloom Energy Corporation
05/21/15
20150140466
 Fuel cell stack patent thumbnailFuel cell stack
A fuel cell stack includes bonding members for joining projecting sections of adjacent frames in cell modules, an inter-cell module seal member forming a seal between the cell modules, and supporting members disposed between adjacent frames in the cell modules. As viewed from above in the direction in which the cell modules are layered, the supporting members overlap at least a part of a section of the inter-cell module seal member that contacts the cell modules..
Nissan Motor Co., Ltd.
05/21/15
20150140463
 Heater with a fuel cell stack assembly and a combustor and  operating patent thumbnailHeater with a fuel cell stack assembly and a combustor and operating
A heater includes a heater housing extending along a heater axis. A fuel cell stack assembly is disposed within the heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel cell fuel into heat and electricity through a chemical reaction with a fuel cell oxidizing agent.
Delphi Technologies, Inc.
05/21/15
20150140461
 Method of operating a heater patent thumbnailMethod of operating a heater
A method is provided for operating a heater including a heater housing extending along a heater axis; a plurality of fuel cell stack assemblies disposed within the heater housing along the heater axis and having a plurality of fuel cells which convert chemical energy from a fuel cell fuel into heat and electricity through a chemical reaction with a fuel cell oxidizing agent; and a plurality of combustors disposed within the heater housing along the heater axis. The method includes supplying a combustor fuel to the plurality of combustors, combusting the combustor fuel to produce a heated combustor exhaust when the fuel cell stack assemblies are substantially electrochemically inactive, and using the heated combustor exhaust to elevate the temperature of the fuel cell stack assemblies to be electrochemically active..
Delphi Technologies, Inc.
05/14/15
20150132680
 Fuel cell patent thumbnailFuel cell
A power generation unit of a fuel cell stack includes a first metal separator, a first membrane electrode assembly, a second metal separator, a second membrane electrode assembly, and a third metal separator. A first oxygen-containing gas flow field includes a plurality of wavy flow grooves.
05/14/15
20150132672
 Fuel cell system operated on liquid fuels patent thumbnailFuel cell system operated on liquid fuels
A fuel cell system includes a fuel cell stack, a heavy hydrocarbon fuel source, and a fractionator configured to separate light ends from heavy ends of a heavy hydrocarbon fuel provided from the heavy hydrocarbon fuel source.. .
05/07/15
20150125777
 Separator for fuel cells, fuel cell, fuel cell stack, and  manufacturing separator for fuel cells patent thumbnailSeparator 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 alloy layer formed on the base material; and a gold plate layer formed on the underlying alloy layer.
Toyo Kohan Co., Ltd.
05/07/15
20150125776
 Fuel cell stack and a  assembling a fuel cell stack patent thumbnailFuel cell stack and a assembling a fuel cell stack
A fuel cell stack (100) comprising a plurality of fuel cell assemblies (102) adjacent to one another. The fuel cell assemblies each comprise an extended portion (104, 106, 108) having an aperture (110, 112, 114) therein.
Intelligent Energy Limited
05/07/15
20150125775

Drainage structure for gas outlet region in fuel cell stack


A fuel cell stack includes a laminated body in which a plurality of electricity generation cells are laminated and is provided with a reaction gas discharge through hole which discharges a reaction gas used in an electricity generation reaction. An end plate is arranged at one end in the lamination direction of the laminated body and is provided with a reaction gas outlet which communicates with the reaction gas discharge through hole.
Honda Motor Co., Ltd.
05/07/15
20150125769

Method of operating a fuel cell power system


A method of operating a fuel cell power system comprising: supplying a hydrocarbon fuel to a fuel processing system; supplying air and water to the fuel processing system; supplying a hydrogen-rich reformate from the fuel processing system to a fuel cell stack; supplying an anode waste gas from the fuel cell stack to a burner; drawing a load from the at least one fuel cell stack; and detecting an operating temperature of the fuel reformer; wherein supplying air and water to the fuel processing system comprises adjusting an amount of air and water to be supplied based on the load drawn from the fuel cell stack; and supplying the hydrocarbon fuel to the fuel processing system comprises adjusting an amount of hydrocarbon fuel to be supplied based on the detected operating temperature of the fuel reformer.. .
Ballard Power Systems Inc.
05/07/15
20150125767

Fuel cell system and control the same


A fuel cell system includes a fuel cell stack having a membrane electrode assembly and an internal reactant gas passage, a unit that detects or estimates an actual retained water quantity (r.w.q.), and a power generation control unit having a normal-time mode, a normal-time drying mode and a stop-time drying mode. In the normal-time drying mode, the fuel cell stack is caused to generate electric power while being dried more than in the normal-time mode until the actual r.w.q.
Honda Motor Co., Ltd.
04/30/15
20150120111

Method and controlling cold start of fuel cell vehicle


A method for controlling a cold start of a fuel cell vehicle includes detecting and storing temperatures at an inlet and an exit of fuel cell cooling water a plurality of times after turning-off of the fuel cell vehicle. A start sequence is controlled based on the lowest temperature of the stored temperatures and temperatures at the inlet and exit of the cooling water at a restart of the vehicle.
Hyundai Motor Company
04/30/15
20150118598

Method for recovering fuel cell performance by using electrode reversal


A method for recovering fuel cell performance by regenerating electrode characteristics through electrode reversal in order to partially recover performance of a degraded polymer electrolyte fuel cell is provided. The method includes reversing electrodes by supplying an anode of a degraded fuel cell stack with air and supplying a cathode thereof with hydrogen and performing a pulse operation by applying current to the reversed electrodes..
Hyundai Motor Company
04/30/15
20150118597

Metal separator for solid oxide regenerative fuel cell coated with conductive spinel oxide film, producing the same and solid oxide regenerative fuel cell including the same


Disclosed is a metal separator for a solid oxide regenerative fuel cell coated with a conductive spinel oxide film. In the conductive spinel oxide film, yttrium is added to a manganese-cobalt spinel oxide to suppress growth of an insulating oxide film on the surface of the metal separator and volatilization of metal.
Korea Institute Of Science And Technology
04/30/15
20150118593

Fuel cell stack


A fuel cell stack includes: a cell stack structure formed by stacking a plurality of cells; a pair of current collectors; a pair of end members; and a fastener band wrapped around a cell stack formed by stacking the cell stack structure, the pair of current collectors, and the pair of end members. Each of the pair of end members includes a plurality of plate members.
Panasonic Corporation
04/30/15
20150118591

Fuel cell stack assembly


A fuel cell stack assembly comprises a plurality of fuel cells in a stack, the stack defining two opposing parallel end faces. An end plate assembly is provided at each opposing end face of the stack.
Intelligent Energy Limited
04/30/15
20150118587

Fuel cell stack including dummy cell


A fuel cell stack including a dummy cell for effectively discharging condensate water of the stack is provided. At least one cathode/anode dummy cell is stacked between a reaction of a stack power generator and end plates at both ends of the stack to discharge water out of stack.
Hyundai Motor Company
04/23/15
20150111131

Sealed water vapor transfer unit assembly with integrated load transferring structure


A water vapor transfer unit assembly is disclosed, the water vapor transfer unit assembly including a plurality of water vapor transfer units having a fluid permeable membrane and a plurality of supports disposed within a sealing frame adjacent an end plate of a fuel cell stack, wherein the sealing frame is adapted to provide support to the end plate and a fuel cell stack of the fuel cell stack system.. .
Gm Global Technology Operations Llc
04/23/15
20150111125

Alignment feature and alignment in fuel cell stacks


Alignment features and methods for their use are disclosed for purposes of aligning adjacent bipolar plates, and also optionally the membrane electrode assemblies as well as the plates making up the bipolar plates, during assembly of solid polymer electrolyte fuel cell stacks. The alignment features are located within common datum openings and advantageously can be in-plane with the bipolar plates.
Ford Motor Company
04/23/15
20150111123

Exhaust air guide of a fuel cell stack in a motor vehicle


An exhaust-air guide of a fuel cell stack having a cooling structure, in particular in a motor vehicle, is provided. The cooler structure belongs to the functional environment of the fuel cell stack and is in form through which ambient air flows.
Bayerische Motoren Werke Aktiengesellschaft
04/23/15
20150111116

Fuel cell system


A fuel cell system according to the present invention comprises a fuel gas supply system that supplies a fuel gas from a fuel supply source to a fuel cell that includes a stack including a plurality of cells, and a fuel off-gas circulation system that resupplies fuel off-gas to the stack. The fuel off-gas circulation system includes: a mixed fuel gas flow path formed such that a mixed fuel gas containing the fuel off-gas and the fuel gas flows in a direction along an inner surface of a manifold installed in the stack; and a point of merger where the fuel off-gas and the fuel gas merge with each other to produce the mixed fuel gas, the point of merger being arranged on one surface side of the manifold.
Toyota Jidosha Kabushiki Kaisha
04/23/15
20150111070

Starting apparatus and fuel cell vehicle


A starting apparatus of a fuel cell vehicle includes: a fuel cell stack that supplies a driving voltage to a motor; a low voltage battery that supplies a starting voltage to an air blower; and a high voltage dc converter that boosts at least one of the driving voltage and the starting voltage and selectively transmits the boosted voltage to the motor and the air blower. A method of starting the fuel cell vehicle includes transmitting the starting voltage to the high voltage dc converter and boosting the starting voltage when entering a starting mode; driving the air blower with the boosted starting voltage; generating the driving voltage according to starting of the fuel cell stack; blocking the starting voltage to the high voltage dc converter if the driving voltage is equal to or larger than a predetermined voltage value; and supplying the driving voltage to the motor..
Hyundai Motor Company
04/16/15
20150104726

Device and heating fuel cell stack and fuel cell system having the device


Provided is device and method for heating fuel cell stack and fuel cell system having the device. The fuel cell system includes: a power generating unit having fuel cell stacks arranged with an interval defined between the stacks; an outlet manifold unit provided outside each fuel cell stack and guiding a reaction mixture discharged from each stack to outside; an inlet manifold unit provided on each stack at a location opposed to the outlet manifold unit based on the stack, the inlet manifold unit supplying fuel and air supplied through a fuel supply pipe and an air supply pipe into the stack; and a subsidiary fuel supply unit for supplying subsidiary fuel into the outlet manifold unit such that the subsidiary fuel is burnt in the outlet manifold unit so as to heat both the outlet manifold unit and the stack coming into contact with the outlet manifold unit..
Sk Innovation Co., Ltd.
04/16/15
20150104721

Performance recovery fuel cell stack


A method for recovering the performance of a fuel cell stack mounted within a vehicle is provided. A method includes a recovery process of continuously applying a predetermined load using a load device when an air supply is stopped and hydrogen is supplied to a fuel cell stack to output current from the fuel cell stack.
Hyundai Motor Company
04/16/15
20150101750

Bonding apparatus of fuel cell stack and method thereof


A bonding apparatus of fuel cell stack includes a lower heat plate provided at one side of a gas diffusion layer provided at both sides of a membrane electrode assembly, the lower heat plate supplying heat to the gas diffusion layer and including a steam supply line for supplying steam to the gas diffusion layer. An upper heat plate is provided at the other side of a gas diffusion layer, the upper heat plate supplying heat to the gas diffusion layer and including a steam supply line for supplying steam to the gas diffusion layer.
Hyundai Motor Company
04/09/15
20150099215

Fuel cell stack with enhanced freeze-thaw durability


The present invention provides a fuel cell stack with enhanced freeze-thaw durability. In particular, the fuel cell stack includes a gas diffusion layer between a membrane-electrode assembly and a bipolar plate.
Kia Motors Corporation
04/09/15
20150099213

Fuel cell stack bus bar assembly systems and methods


Systems and methods are disclosing providing for a fuel cell (“fc”) stack assembly utilizing bus bars that accommodate for variations in fc stack heights during assembly. In some embodiments, bus bars consistent with embodiments disclosed herein may be integrally formed with terminal plates out of a single piece of conductive material.
Gm Global Technology Operations Llc
04/09/15
20150099205

Manifold for plural fuel cell stacks


An assembly has a plurality of fuel cell stacks with at least one wall. At least one manifold portion is provided outwardly of the at least one wall of each of the fuel cell stacks.
Hamilton Sundstrand Corporation
04/09/15
20150099204

Regulation of a fuel cell assembly


A fuel cell assembly according to an exemplary aspect of the present disclosure includes, among other things, a first fuel cell stack in series with a variable resistor and a second fuel cell stack in parallel with the first fuel cell stack and in series with a contactor. A resistance level of the variable resistor is adjusted in response to deactivating the contactor..
Hamilton Sundstrand Corporation
04/09/15
20150099200

Freeze preparation for a fuel cell system


A vehicle includes a fuel cell system, and a controller configured to receive a first signal indicative of a predicted ambient temperature at a specified location, and command the fuel cell system to operate at a reduced relative humidity when the predicted ambient temperature is below a threshold value. A method for controlling a fuel cell system includes receiving a first signal at a controller indicative of a predicted ambient temperature for a specified location, and operating the fuel cell system at a reduced relative humidity when the predicted ambient temperature is below a threshold value.
Ford Global Technologies, Llc
04/02/15
20150093678

Bonding layer for solid oxide fuel cells


A bonding layer used to join individually formed fuel cell units together to create a solid oxide fuel cell stack can include particles contained within a carrier material. The particles can have at least one material component in common with a porous electrode of a first type and a bimodal particle size distribution.
Saint-gobain Ceramics & Plastics, Inc.
04/02/15
20150093677

Solid oxide fuel cell stack


Provided is a solid oxide fuel cell stack including: a porous insulating support having a gas permeability and provided with a gas flow path therein; and a plurality of power generating elements which are provided on the insulating support and each of which includes an inner electrode, an electrolyte. An outer electrode, the inner electrode, the electrolyte and the outer electrode are sequentially laminated one another, and the inner electrode of one of adjacent two of the plurality of power generating elements is electrically connected to the outer electrode of the other of the adjacent two of the plurality of power generating elements via an interconnector, so that the plurality of power generating elements are connected in series, wherein the insulating support comprises forsterite, the insulating support contains a mg element and a si element with a concentration of 90 mass % or more in total in terms of mgo and sio2, at least in a surface region on the power generating elements side, and the interconnector comprises titanium-based perovskite type oxide represented by (a,b)(ti,c)o3-δ..
Toto Ltd.
04/02/15
20150093675

Fuel cell stack including end plate having insertion hole


A fuel cell stack includes a stack including a plurality of unit cells, which is stacked on one another in a predetermined direction, first and second end plates disposed on opposing ends of the stack, and a supply line disposed on a first surface of the first end plate to supply fuel or air to the plurality of unit cells, where an insertion hole is defined in a second surface of the first end plate to be adjacent to the supply line, and the second surface of the first end plate is substantially perpendicular to the first surface of the first end plate.. .
Samsung Electronics Co., Ltd.
04/02/15
20150093674

Fuel cell stack and separator


A separator of planar shape includes a plurality of grooves which are formed in a first surface of the separator serving as one surface facing a membrane electrode assembly and which extend along a first direction parallel to the first surface. The separator includes a protrusion formed in the first surface and enclosing a first hole, a second hole, and the plurality of grooves.
Brother Kogyo Kabushiki Kaisha
04/02/15
20150093673

Pem fuel cell stack inlet water regulation system


A fuel cell stack assembly is disclosed that includes a porous member disposed within a flow path for a reactant. A fluid collection member is provided within the flow path adjacent to and in fluid communication with the porous member.
Gm Global Technology Operations Llc
04/02/15
20150093671

Fuel cell sub-assembly and making it


A sub-assembly for an electrochemical stack, such as a pem fuel cell stack, has a bipolar plate with sealing material extending from its upper face, around the edge of the bipolar plate, and onto its lower face. The bipolar plate is preferably a combination of an anode plate and a cathode plate defining an internal coolant flow field and bonded together by sealing material which also provides a seal around the coolant flow field.
Hydrogenics Corporation
04/02/15
20150093670

Fuel cell stack


A fuel cell stack includes a stack body formed by stacking a plurality of power generation cells. At one end of the stack body, a terminal plate, an insulating member, and an end plate are stacked.
Honda Motor Co., Ltd.
03/26/15
20150086900

Fuel cell stack assembly


A fuel cell stack assembly comprises a plurality of fuel cells in a stack, the stack defining two opposing parallel end faces. An end plate is disposed at each opposing end face of the stack.
Intelligent Energy Limited
03/26/15
20150086898

Fuel cell cassette with compliant seal


A fuel cell cassette for forming a fuel cell stack along a fuel cell axis includes a cell retainer, a plate positioned axially to the cell retainer and defining a space axially with the cell retainer, and a fuel cell having an anode layer and a cathode layer separated by an electrolyte layer. The outer perimeter of the fuel cell is positioned in the space between the plate and the cell retainer, thereby retaining the fuel cell and defining a cavity between the cell retainer, the fuel cell, and the plate.
Delphi Technologies, Inc.
03/26/15
20150086897

Fuel cell electrode interconnect contact material encapsulation and method


A fuel cell stack includes a plurality of fuel cell cassettes each including a fuel cell with an anode and a cathode. Each fuel cell cassette also includes an electrode interconnect adjacent to the anode or the cathode for providing electrical communication between an adjacent fuel cell cassette and the anode or the cathode.
Delphi Technologies, Inc.
03/26/15
20150086893

Fuel cell stack


A fuel cell stack is formed by stacking unit cells and each unit cell is formed by sandwiching a membrane electrode assembly between a pair of separators having depression parts and protrusion parts. A cooling liquid flow space is formed between the unit cells, and a displacement absorption member which absorbs displacement between the unit cells is disposed in the flow space.
Nissan Motor Co., Ltd.
03/26/15
20150086887

Solid oxide fuel cell system


To provide a solid oxide fuel cell system capable of avoiding the reduction of air electrodes. The present invention is a solid oxide fuel cell system including: a fuel cell module, a fuel supply apparatus, a water supply apparatus, an oxidant gas supply apparatus, a reformer, and a control section for controlling the extraction of power, whereby the controller having a shutdown stop circuit for executing a shutdown stop when the fuel cell stack is above the predetermined temperature, and after a shutdown stop, during a period when pressure on the fuel electrode side is sufficiently higher than pressure on the air electrode side, and no reverse flow of oxidant gas to the fuel electrode side is occurring, a temperature drop operation is executed whereby high temperature oxidant gas remaining on the oxidant gas electrode side is discharged..
Toto Ltd.
03/26/15
20150086886

Fuel cell stack arrangement with at least one multi-functional end plate


A fuel cell stack arrangement includes a fuel cells arranged between a first and a second end plate. At least one of the end plates is designed as a channel end plate with at least one channel.
Daimler Ag
03/26/15
20150086810

Fan and pcb mounting in fuel cell stack assemblies


A fuel cell stack assembly (30) comprises a fuel cell stack (31); an air flow plenum chamber (33) disposed on a face (4) of the stack (31) for delivering air to or receiving air from flow channels in the fuel cell stack (31), at least a part of the plenum chamber wall being defined by a printed circuit board, the printed circuit board having at least one aperture (37) therein; and a fan (36) mounted to the board adjacent the aperture (37) and configured to force air through the aperture into or out of the plenum chamber. The assembly provides integration of circuit boards essential or supportive to operation of the fuel cell assembly with the air flow plenum for forced ventilation of the fuel cells in the stack..
Intelligent Energy Limited
03/19/15
20150079488

Fuel cell stack


A fuel cell stack has a plurality of laminated cell units, with each of the cell units including a membrane electrode assembly sandwiched between two separators, and cooling fluid passage channels are formed between each adjacent cell units for flowing cooling fluid. Displacement absorbing members have a plurality of displacement absorbing projections that absorb displacement along a laminated direction of the cell unit and are provided in the cooling fluid passage channels.
Nissan Motor Co., Ltd
03/19/15
20150079486

Fuel cell system


A fuel cell system includes an enclosure having a fuel cell stack producing electricity via an electrochemical reaction between high temperature and high pressure compressed air generated by an air compressor and hydrogen used as fuel. A portion of the compressed air from the air compressor is introduced into the enclosure through a first pipe, and the compressed air flows towards the air compressor from the enclosure through a second pipe.
Hyundai Motor Company
03/12/15
20150073632

Tri-hybrid automotive power plant


What is disclosed is a tri-hybrid automotive power plant. The power plant is an alternative to standard internal combustion engines and available hybrid or electric vehicle propulsion systems.
03/12/15
20150072262

Membrane electrode assembly, fuel cell, fuel cell stack, and manufacturing membrane electrode assembly


A membrane electrode assembly is a membrane electrode assembly in which a first porous body is stacked on a surface of a catalyst layer and a second porous body is stacked on the first porous body. The first porous body has a low porosity at portions in contact with solid-phase portions of the second porous body, and has a relatively high porosity at portions facing gas-phase portions of the second porous body..
Nissan Motor Co., Ltd.
03/12/15
20150072258

Fuel cell stack


A fuel cell stack includes a stack of fuel cells, a first end plate, a second end plate, a fluid manifold member, and a protrusion. In the stack of fuel cells, the fuel cells are stacked in a stacking direction.
Honda Motor Co., Ltd.
03/05/15
20150064598

Fuel cell stack sealing methods, apparatus, and systems


Methods, apparatus, and systems for improving and/or simplifying one or more seals in a fuel cell stack, such as a vehicle fuel cell stack. In some implementations, a plate or assembly for the stack may be extruded through an extrusion die so as to create a plate comprising a top surface, a bottom surface, and a plurality of cavities disposed between the top and bottom surfaces.
Gm Global Technology Operations Llc
03/05/15
20150064597

Metal supported solid oxide fuel cell


A process for forming a metal supported solid oxide fuel cell, the process comprising the steps of: a) applying a green anode layer including nickel oxide, copper oxide and a rare earth-doped ceria to a metal substrate; b) firing the green anode layer to form a composite including oxides of nickel, copper, and a rare earth-doped ceria; c) providing an electrolyte; and d) providing a cathode. Metal supported solid oxide fuel cells comprising an anode a cathode and an electrolyte, wherein the anode includes nickel, copper and a rare earth-doped ceria, fuel cell stacks and uses of these fuel cells..
Ceres Intellectual Property Company Limited
03/05/15
20150064596

Process for forming a metal supported solid oxide fuel cell


A process for forming a metal supported solid oxide fuel cell is provided. The process can include the steps of: a) applying a green anode layer including nickel oxide and a rare earth-doped ceria to a metal substrate; b) prefiring the anode layer under non-reducing conditions to form a composite; c) firing the composite in a reducing atmosphere to form a sintered cermet; d) providing an electrolyte; and e) providing a cathode; wherein the reducing atmosphere comprises an oxygen source, a metal supported solid oxide fuel cell formed during this process, fuel cell stacks and the use of these fuel cells..
Ceres Intellectual Property Company Limited
03/05/15
20150064594

Heater and supporting structure thereof


A heater includes a heater housing with a support plate secured to one end. A fuel cell stack assembly is disposed within the heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent.
Delphi Technologies, Inc.
03/05/15
20150064593

Heater


A heater includes a fuel cell stack assembly disposed within a heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent. A combustor disposed within the heater housing receives an anode exhaust and a cathode exhaust from the fuel cell stack assembly and combusts a mixture of the anode exhaust and the cathode exhaust to produce a heated combustor exhaust.
Delphi Technologies, Inc.
03/05/15
20150064592

Heater and operating


A heater includes a heater housing extending along a heater axis. A fuel cell stack assembly is disposed within the heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent.
Delphi Technologies, Inc.
03/05/15
20150064591

Heater and operating


A heater includes a heater housing extending along a heater axis. A fuel cell stack assembly is disposed within the heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent.
Delphi Technologies, Inc.
03/05/15
20150064590

Seal plate and fuel cell stack using the same


A fuel cell stack includes at least two cell modules adjacent to each other, the at least two cell modules each being formed by stacking a plurality of fuel cells into an integrated unit and a seal plate interposed in a cooling flow channel defined between separators of the at least two cell modules, the cooling flow channel configured to allow a cooling fluid to flow therethrough. The seal plate includes a manifold portion in which a plurality of manifold holes are formed to allow two power-generation gases to flow separately through the plurality of manifold holes and through the plurality of fuel cells and a seal member provided along a peripheral portion of each of the plurality of manifold holes to provide sealing for a corresponding one of the two power-generation gases flowing through the manifold hole..
Nissan Motor Co., Ltd.
03/05/15
20150064588

Apparatus and controlling fuel cell system


Disclosed herein is an apparatus for controlling a fuel cell system, including: a plurality of stack state detecting units for detecting respective states of a plurality of fuel cell stacks; a switching unit for connecting at least parts of the plurality of fuel cell stacks to each other in series or in parallel; and a control unit for detecting at least one degraded stack based on the states of the stacks detected by the plurality of stack state detecting units, and forming at least one degraded stack unit including the detected at least one degraded stack by controlling the operation of the switching unit, so the apparatus can quickly and easily connect the stacks to each other in series, in parallel or in series-parallel using cheap electric switches instead of using a plurality of power conditioning system (pcs).. .
Sk Innovation Co., Ltd.
03/05/15
20150064587

Apparatus and controlling fuel cell system using sub-power conditioning system


Disclosed herein is an apparatus and method for controlling a fuel cell system. The apparatus includes a main power conditioning system which supplies output of normal stacks among a plurality of fuel cell stacks to a load, a sub-power conditioning system which supplies output of one or more deteriorated stacks among the fuel cell stacks to a load, a switching unit which changes a target to which output of each of the fuel cell stacks is connected, and a control unit which senses conditions of each of the fuel cell stacks and controls the switching unit.
Sk Innovation Co., Ltd.
03/05/15
20150064509

Fuel cell start up method


A fuel cell module is configured or operated, or both, such that after a shut down procedure a fuel cell stack is discharged and has its cathode electrodes at least partially blanketed with nitrogen during at least some periods of time. If the fuel cell module is restarted in this condition, electrochemical reactions are limited and do not quickly re-charge the fuel cell stack.
Hydrogenics Corporation
03/05/15
20150062771

Apparatus for removing static electricity of fuel cell stack manufacturing device


An apparatus for removing static electricity of a fuel cell stack manufacturing device, includes a cartridge in which a plurality of membrane electrode assemblies (meas) are received, an air nozzle portion disposed in an upper portion of the cartridge and including an air flow channel for air movement, a plurality of nozzle holes defined along an inner side of the air nozzle portion, which faces the meas disposed in the cartridge, to communicate with the air flow channel, and an air inlet portion configured to be supplied with ionized air from the outside to deliver the ionized air to the air flow channel of the air nozzle portion.. .
Hyundai Motor Company
03/05/15
20150060061

Heater and operating


A heater includes a heater housing with a fuel cell stack assembly disposed therein. The fuel cell stack assembly includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent.
Delphi Technologies, Inc.
02/26/15
20150056531

Fuel cell system


A fuel cell system includes a fuel cell stack configured to generate power according to a load, a fuel tank configured to store fuel gas, a pressure regulating valve configured to regulate a pressure of the fuel gas supplied from the fuel tank to the fuel cell stack, a purge valve configured to purge the fuel gas discharged from the fuel cell stack and a controller for controlling the system. The controller includes a pulsating unit configured to cause a fuel gas pressure of the fuel cell stack to pulsate, and a pressure increasing rate setting unit configured to set a pressure increasing rate of the pulsation of the fuel gas pressure according to an operating state..
Nissan Motor Co., Ltd.
02/26/15
20150053491

Thermal management system for fuel cell, fuel cell system and vehicle equipped with fuel cell system


The invention provides a thermal management system for a fuel cell, a fuel cell system and a vehicle equipped with the fuel cell system. The thermal management system for a fuel cell comprises: a cooling system (100) for recovering the waste heat produced by the fuel cell system, a heat supply system (15) connected with the cooling system (100) to supply heat using the waste heat recovered by the cooling system (100).
Dongfang Electric Corporation
02/19/15
20150050577

Fuel cell stack and seal plate used for the same


A fuel cell stack includes a plurality of cell modules each formed by stacking a plurality of fuel cells, each of the plurality of fuel cells having a membrane electrode assembly having an insulating member at an outer periphery portion thereof and paired separators sandwiching the membrane electrode assembly, and by attaching the insulating members of adjacent fuel cells together, and a seal plate interposed between the stacked cell modules. The seal plate includes a plurality of manifold holes from which two power-generation gases flow separately through the plurality of fuel cells, and a first seal member provided along a peripheral portion of each of the plurality of manifold holes to seal a corresponding one of the two power-generation gases flowing through the manifold hole..
Nissan Motor Co., Ltd.
02/12/15
20150044599

Fuel cell system


A fuel cell system includes a fuel cell stack, a cathode supply flow passage which is connected to the fuel cell stack and through which cathode gas flows, a cathode off-gas flow passage which is connected to the fuel cell stack and discharges cathode off-gas, a bypass flow passage which is branched off from the cathode supply flow passage and through which a part of the cathode gas flows while bypassing the fuel cell stack, a bypass valve configured to regulate a bypass flow rate in the bypass flow passage and include an atmosphere communication hole, and an anode off-gas flow passage which is connected to the fuel cell stack and discharges anode off-gas. The anode off-gas flow passage joins the bypass flow passage at a side downstream of the cathode off-gas flow passage or the bypass valve, and the bypass valve is formed with a clearance configured to leak a predetermined quantity of gas even in a fully closed state..
Nissan Motor Co., Ltd.
02/12/15
20150044592

Fuel cell stack


In a fuel cell stack, voltage detecting terminals are disposed on a second separator and a third separator of a power generation unit, whereas a voltage detecting terminal is not disposed on a first separator of the power generation unit. Among terminal plates of the fuel cell stack, another voltage detecting terminal is disposed only on the terminal plate that is in contact with the first separator..
Honda Motor Co., Ltd.
02/12/15
20150044590

Method for operating a fuel cell stack for a fuel cell system, and fuel cell system


A method for operating a fuel cell stack (10) for a fuel cell system, in particular of a vehicle, in which by reversing the flow direction (14, 16) of a coolant during a cooling operation, the coolant in the fuel cell stack (10) is initially conveyed in a first direction (14). The coolant is subsequently conveyed in a second direction (16) which is at least substantially opposite to the first direction (14).
Daimler Ag
02/12/15
20150044587

Solid oxide fuel cell system


To provide a solid oxide fuel cell system capable of avoiding the reduction of air electrodes. The present invention is a fuel cell system having: a fuel cell module, a fuel supply apparatus, a water supply apparatus, an air supply apparatus, a reformer, and a control section for controlling the extraction of power from a fuel cell module, whereby the controller includes a shutdown stop circuit for executing a shutdown stop when the fuel cell stack is above the oxidation suppression temperature, and after execution of a shutdown stop, during a period when pressure on the fuel electrode side is sufficiently higher than pressure on the air electrode side, and no reverse flow of air to the fuel electrode side is occurring, a temperature drop operation is executed whereby high temperature air remaining on the air electrode side is discharged..
Toto Ltd.


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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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