213457 ⎘
Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells Means for solving freezing problems
Enclosed separator unit for a gas supply of a fuel cell system
#302FUEL CELL SYSTEM
#303Fuel cell system operating process
#304Fuel cell system and process for operating same
#305Method and algorithm to detect frozen anode pressure sensor
#306Fuel cell system and operating method therefor
#307Fuel cell system and operation method thereof
#308Fuel cell stack with stoichiometry determination in individual cells
#309FUEL CELL SYSTEM
#310Freeze start operation in a fuel cell with a blocked anode cell
#311Fuel cell system
#312Fuel cell system and mobile body
#313FUEL CELL SYSTEM
#314Robust heating of fuel cells during subfreezing start
#315Fuel cell system and warming up completion determining method for the same
#316Fuel cell system
#317HYDROPHOBIC LAYER FOR A FUEL CELL
#318Fuel cell valve and fuel cell system using the valve
#319Fuel cell system
#320FUEL CELL SYSTEM
#321Fuel cell system
#322Duct optimization to prevent freezing
#323FUEL CELL POWER PLANT INCLUDING A VARIABLE RESISTIVE DEVICE
#324ANODE GAS CIRCUIT OF A FUEL CELL SYSTEM AND METHOD FOR ACTIVATING AND DEACTIVATING SUCH AN ANODE GAS CIRCUIT OF A FUEL CELL SYSTEM
#325FUEL CELL SYSTEM
#326Fuel cell system
#327Automotive rotatable power transfer system and method of operating same
#328Fuel cell bipolar plate and method for manufacturing the same
#329Fuel cell system with antifreeze structure
#330Fuel cell system and mobile article
#331Fuel cell system and method for calculating circulation ratio in the same
#332FUEL CELL SYSTEM AND METHOD OF SCAVENGING FUEL CELL SYSTEM
#333FUEL CELL SYSTEM
#334Fuel cell system
#335Operating fuel cell during down time on cryogenic hydrogen boil-off
#336FUEL CELL APPARATUS
#337Fuel cell system and control method thereof
#338Gas-liquid separator for fuel cell system
#339FUEL CELL AND ELECTROLYTE LAYER FOR FUEL CELL
#340Fuel cell system and control method thereof
#341Startup gas supply pressure control device of fuel cell system
#342Drainage system for fuel cell
#343Fuel cell vehicle
#344Fuel cell system
#345Retaining water in a fuel cell stack for cooling and humidification during frozen startup
#346Circulation system for a fuel cell
#347Fuel cell system and method for operating the same
#348Fuel cell system and method to prevent freezing after shut-down
#349Fuel cell system and operation method for fuel cell system
#350FUEL CELL SYSTEM
#351FREEZE TOLERANT PRESSURE SENSOR
#352Circulation of gas-entrained fuel cell coolant
#353Heat Retention and Heating of Reaction Gas in Fuel Cell System
#354Fuel cell system and vehicle mounted with fuel cell system
#355Membrane electrode assembly containing flexible printed circuit board formed on ion exchange membrane support film
#356FLUID CONTROL VALVE DEVICE
#357Fuel cell system and fuel cell control method
#358Fuel cell shut-down procedure including vaporization phase
#359System and method for reducing radiator sizes for low temperature fuel cell systems
#360Fuel cell system and method for controlling fuel cell system
#361Fuel cell system
#362MOVING APPARATUS
#363METHOD OF STARTING UP A FUEL CELL UNDER CONDITIONS IN WHICH WATER MAY FREEZE
#364Fuel Cell System and Control Method Therefor
#365Bifurcation of flow channels in bipolar plate flowfields
#366Cold start compressor control and mechanization in a fuel cell system
#367Gas venting system
#368Fuel cell apparatus
#369Fuel cell system and scavenging method therefor
#370Piping Structure of a Fuel Cell Stack
#371Method of operating a fuel cell stack
#372Fuel Cell System and Related Method
#373Evaporatively cooled hybrid PEM fuel cell power plant assembly
#374APPARATUS AND METHOD FOR MANAGING FLUIDS IN A FUEL CELL STACK
#375Slow purge for improved water removal, freeze durability, purge energy efficiency and voltage degradation due to shutdown/startup cycling
#376Structure of gasket for separator of fuel cell
#377Fuel cell system with a liquid separator
#378FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME
#379Fuel cell system and method of controlling the same fuel cell system
#380Fuel Cell System
#381Portable systems for engine block
#382Valve with freeze-proof heated valve seat
#383Fuel Cell System
#384Fuel cells evaporative reactant gas cooling and operational freeze prevention
#385Direct methanol fuel cell pack heating system
#386Fuel cell system
#387Purging water with reactant air pump powered by operational fuel cell system during shutdown
#388External control of a vehicle coolant pump with remote heating option
#389Coolant Composition, Cooling System And Process For Producing Coolant
#390Fuel cell system water management strategy for freeze capability
#391Fuel cell based power generation systems and methods of operating the same
#392Multiple pressure regime control to minimize RH excursions during transients
#393Shutdown methods and designs for fuel cell stacks
#394Fuel cell system
#395Method of commencing operation of an electrochemical fuel cell stack from freeze-start conditions
#396Fuel cell employing cooling liquid passages for starting at low temperature
#397Fuel-cell electric vehicle
#398Method to cold-start fuel cell system at sub-zero temperatures
#399Heating element and mounting for media piping of fuel cell systems
#400Freeze capable compact fuel cell system with improved humidification and removal of excess water and trapped nitrogen
#401Fuel cell system and activation method of fuel cell
#402Fuel cell system
#403Fuel cell system and fuel control method
#404Cold start valve structure for fuel cell vehicle
#405Fuel cell system control device
#406Fuel cell system and water recovery method thereof
#407Fuel cell system
#408Fuel cell system and start up control method for the fuel cell system
#409Method of operating a fuel cell stack
#410Capacitor hybrid fuel cell power generator
#411Evaporative cooling system for fuel cell systems using cathode product water
#412Non-circulating coolant PEM fuel cell power plant assembly with low thermal mass
#413Water blocking layer and wicking reservoir for PEMFC
#414SYSTEM FOR PREVENTING FREEZING OF FUEL CELL
#415Fuel cell system
#416Fuel cell system and control method of fuel cell system
#417Fuel cell vehicle
#418Fuel cell system and protection method thereof
#419Relative humidity control for a fuel cell
#420Freeze tolerant fuel cell power plant with a direct contact heat exchanger
#421Method of reducing delamination
#422Prevention of flooding of fuel cell stack
#423Valve structure and control techniques
#424Drying method for fuel cell stacks
#425Fuel cell system
#426Fuel cell system and method of controlling the same
#427Fuel cell system and method of starting fuel cell system
#428Passive microcoolant loop for an electrochemical fuel cell
#429Summer and winter mode operation of fuel cell stacks
#430Systems and methods for fuel cell shutdown
#431Fuel cell system
#432Purging water with reactant air pump powered by operational fuel cell system during shutdown
#433Fuel cell system using emulsified fuel
#434Fuel cell system
#435Fuel cell system for scavenging signal pressure line for regulator
#436Fuel cell assembly operating method and fuel cell system
#437Fuel cell system
#438Integrated fuel cell power module
#439Cathode-to-cathode fuel cell stacks
#440Fuel cell system
#441Fuel cell system
#442Fuel cell system and method for generating electricity from a fuel cell system comprising a fuel cell stack divided into sub-tracks
#443Temperature-based vehicle wakeup strategy to initiate fuel cell freeze protection
#444Fuel cell power plant
#445System and method for treating process fluids delivered to an electrochemical cell stack
#446Fuel cell coolant composition
#447Fuel cell stack defrosting
#448Method and apparatus for cold-starting a PEM fuel cell (PEMFC), and PEM fuel cell system
#449Fuel cell apparatus
#450Direct methanol type fuel cell power generator and operating method thereof
#451Temperature-based vehicle wakeup strategy to initiate fuel cell freeze protection
#452Cooling subsystem for an electrochemical fuel cell system
#453Parallel stack antifreeze system
#454Storing water in substrates for frozen, boot-strap start of fuel cells
#455Regenerative electrochemical cell system and method for use thereof
#456Method of operating a fuel cell system
#457Managing water and auxiliary power in fuel cell power plant below freezing temperatures
#458Fuel cell
#459Fuel cell device and related control method
#460Method and apparatus for humidification control of an energy recovery device in a fuel cell power plant
#461Coolant composition for fuel cell
#462Freeze tolerant fuel cell power plant with a direct contact heat exchanger
#463Freeze tolerant fuel cell power plant with a direct contact heat exchanger
#464Reducing PEM fuel cell hard freeze cycles
#465Fuel cell stack having an improved current collector and insulator
#466Self -thawing fuel cell
#467Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack
#468Pure water tank for fuel cell system
#469PEM fuel cell with high porosity hydrophilic water transport plates and temperature increase before shutdown in environment which may reach subfreezing temperatures
#470Solid oxide fuel cell power plant having a bootstrap start-up system