213498 ⎘
Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids; Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function; Electric variables; Voltage of fuel cell stacks
Fuel source, fuel cell system and associated method
#302Fuel cell system
#303FUEL CELL SYSTEM AND CONTROL METHOD
#304Fuel cell system
#305Operation control method and system of fuel cell
#306System and method for minimizing transport related performance losses in a flow battery system
#307Fuel cell system
#308Fuel cell system and method for controlling fuel cell system
#309Fuel cell system
#310Anode bleed control in a fuel cell stack
#311Method for estimating power of fuel cell
#312Connector for monitoring the voltage of a fuel cell stack
#313Non-invasive measurement method for controlling the functioning of a membrane fuel cell
#314Simplification of the electrical system of fuel cells by means of depletion of the cathode supply
#315Fuel cell apparatus and method for downhole power systems
#316Apparatus and method for measuring impedance for fuel cell diagnosis
#317Control method of fuel cell system, fuel cell automobile, and fuel cell system
#318Activation apparatus of fuel cell stack for performing automatic activation and performance evaluation
#319Control method and system of fuel cell system
#320Device and method for monitoring dryness of fuel cell stack
#321Activation apparatus of fuel cell stack
#322System and method for power distribution of fuel cell hybrid vehicle
#323Power supply system and voltage control method for fuel cell
#324Control method of flow regulating valve of oxidizing gas and flow regulation device
#325Fuel cell system and operation control method of the same
#326Fuel cell system and air system abnormality determination method
#327Fuel cell system and operating method of fuel cell system
#328Fuel cell system and power generation monitoring method
#329Fuel cell system and vehicle equipped with fuel cell
#330Control method and system of fuel cell system
#331Fuel cell system and method of controlling fuel cell
#332Fuel cell system and maximum power calculation method
#333FUEL CELL SYSTEM OPERATION METHOD USING TWO OR MORE POWER SUPPLIES
#334Fuel cell system
#335Nitrogen enriched air generation and fuel tank inerting system
#336Device for monitoring electricity generation and method for monitoring electricity generation
#337System and method for controlling voltage of fuel cell
#338State diagnostic apparatus of fuel cell stack
#339Systems and methods for controlling oxygen concentration in a cathode of a fuel cell system
#340FUEL CELL SYSTEM
#341Fuel cell system and control method for fuel cell system
#342Apparatus for diagnosing a state of a fuel cell stack and method thereof
#343Fuel cell system and method of controlling fuel cell system
#344Fuel cell system and control method therefor
#345Method for creating an oxygen depleted gas in a fuel cell system
#346Apparatus and method for managing fuel cell vehicle system
#347Method of controlling operation of fuel cell system
#348DRIVING CONTROL METHOD AND SYSTEM OF FUEL CELL SYSTEM
#349Power supply system and fuel cell vehicle
#350Fuel cell system and control method of fuel cell system
#351System and method for diagnosing state of fuel cell stack and controlling fuel cell system
#352Fuel cell stack
#353System and method for controlling performance of fuel cell stack
#354Responding to positive rate of change of fuel cell voltage during power reduction transitions
#355Fuel cell system and control method
#356Fuel cell system
#357Methods and systems for fuel cell stack sintering and conditioning
#358Fuel cell system to power a portable computing device
#359Electrochemical impedance spectroscopy (EIS) analyzer and method of using thereof
#360DC/DC power converter control strategy for source protection
#361METHOD FOR DIAGNOSING FUEL CELL STACK
#362Structure and method for indicating undesirable constituents in a fuel cell system
#363Fuel cell system
#364Voltage synchronization method and system
#365Apparatus for controlling fuel cell heating value
#366Device and method for controlling fuel cell stack connection
#367Method for generating injection current for fuel cell stack and apparatus for performing the same
#368Method for generating injection current for fuel cell stack and apparatus for performing the same
#369Voltage monitoring device of stack
#370Fuel cell system
#371Method for controlling startup of fuel cell system
#372Fuel cell system
#373Measurement device for measuring voltages along a linear array of voltage sources
#374Multi-point fuel cell voltage monitor
#375Method for determining critical operating states in a fuel cell stack
#376Electronic apparatus, control method and program thereof, and battery for operating electronic apparatus
#377Fuel cell system
#378Power cell system with means for detecting a discontinuity
#379Regulation of a fuel cell assembly
#380Electronic equipment provided with battery check device
#381FUEL CELL SYSTEM
#382Fuel cell system and its control method
#383Apparatus and method for controlling fuel cell system
#384Fuel cell system
#385Multi-stack electrochemical cell system and method of use
#386Apparatus and method for measuring internal ohmic resistance of fuel cell system
#387Fuel cell assembly having feed-back sensor
#388Fuel cell system and control method for fuel cell system
#389Health monitoring of an electrochemical cell stack
#390Fuel cell system mounted on a vehicle
#391Fuel cell assembly and method of control
#392Fuel cell startup method for fast freeze startup
#393FUEL CELL SYSTEM AND CONTROL METHOD OF FUEL CELL SYSTEM
#394SYSTEMS AND METHODS FOR ESTIMATING FUEL CELL STATES
#395Fuel cell system with minimum cell voltage estimation
#396Method of operating fuel cell with high power and high power fuel cell system
#397Method and regulation apparatus for operating a fuel cell or a fuel cell stack
#398Apparatus and method for heating a fuel cell stack
#399Method of controlling the operation of a hybrid system
#400FCS overall efficiency by using stored cathode oxygen during down-transients
#401Estimating coolant conductivity in a multi-voltage fuel cell system
#402Output control apparatus for fuel cell
#403Method of utilizing power transistor of fuel cell stack diagnostic system
#404Fuel cell system
#405Method for the detection of fuel cell system short circuits
#406Selectively reacting to the minimum cell voltage drop rate in a fuel cell system
#407Power generation characteristic estimation device for fuel cell
#408DIAGNOSTIC AND HEAT MANAGEMENT SYSTEM FOR FUEL CELL STACK
#409Diagnostic system and method for fuel cell stack
#410Offset control arrangement and method for controlling voltage values in a fuel cell system
#411Method for diagnosing fault of fuel cell stack
#412Method for generating injected current of fuel cell stack
#413Method for diagnosing fault of fuel cell stack
#414Systems and methods for measuring high frequency resistance in a fuel cell system
#415Method for running a fuel cell system with a failed stack health monitor
#416Apparatus for diagnosing fault of fuel cell stack
#417Fuel cell apparatus and fuel cell system
#418Integrated environmentally protective barrier with light blocking and light transmitting features to optically communicate between two electronic devices operating in different environments
#419Method for determining an average cell voltage for fuel cells
#420Fuel cell system and control method of fuel cell system
#421Systems and methods for enhancing fuel cell vehicle startup
#422Method and system for stable direct methanol fuel cell operation at varying loads and sub-zero temperatures
#423Fuel cell system and vehicle fuel cell system discharging method
#424Apparatus and method for managing fuel cell vehicle system
#425Fuel cell system activation method and fuel cell system
#426Fuel cell system and method of detecting abnormality of fuel cell system
#427Fuel cell and method of operating fuel cell
#428Diagnosing injector failure via stack voltage response analysis
#429Redundancy for improved stack health monitoring reliability
#430Controlling PEM fuel cell voltage during power transitions and idling
#431Method and regulation apparatus for regulating a fuel cell or a fuel cell stack
#432Fuel cell system and fuel cell system diagnosis method
#433Solid oxide fuel cell system responsive to explosive vaporization of water in reformer to control power
#434Fast MEA break-in and voltage recovery
#435Methods and systems for fuel cell stack sintering and conditioning
#436REACTANT CONTROL METHOD FOR A FUEL CELL SYSTEM IN IDLE-STOP MODE
#437Fuel cell system and method for stopping operation of fuel cell system
#438Adaptive limitation of standby mode to enhance fuel cell system life
#439SYSTEM FOR MEASURING PERFORMANCE OF SOLID OXIDE FUEL CELL
#440Fuel cell system
#441Fuel cell system and method for controlling fuel cell system
#442Fuel cell system
#443Energy adjustor for fuel cell group
#444Fuel cell system
#445Fuel cell system, and control method for fuel cell system
#446Methods and systems for controlling power output of a fuel cell
#447Fuel cell system
#448Device and method for enhanced air circulation
#449System and method for the recovery of fuel cell catalyst performance
#450Voltage detection device for fuel cell
#451Fuel cell system
#452Measurement device for measuring voltages along a linear array of voltage sources
#453FUEL CELL SYSTEM AND OPERATION METHOD THEREOF
#454FUEL CELL SYSTEM
#455Fuel cell system and driving method thereof
#456FUEL CELL SYSTEM
#457System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system
#458Water management in fuel cells
#459Smart in-vehicle reactive recovery strategy
#460FUEL CELL SYSTEM, FUEL CELL CONTROL METHOD, AND FUEL CELL DETERMINATION METHOD
#461Fuel cell and method for stopping a fuel cell
#462Fuel cell system and control method thereof
#463Fuel cell power generation system with partition wall for main body package
#464Method of controlling fuel cell system
#465Device and method for controlling fuel cell system having oxygen concentration transient reduction
#466Method for detecting the sealed state of a fuel cell
#467Algorithm for in-situ quantification of PEMFC membrane health over its life
#468METHOD FOR SUPPLYING POWER FROM A FUEL CELL TAKING SULPHUR OXIDE POLLUTION INTO ACCOUNT, AND POWER SUPPLY DEVICE
#469Fuel cell power generation system
#470Method for detecting the permeability state of the ion exchanger polymer membrane of a fuel cell
#471FUEL CELL SYSTEM AND OPERATING METHOD FOR FUEL CELL SYSTEM
#472Management of operation of PEM-fuel-cell-stack backup electric generator
#473FUEL CELL SYSTEM
#474Electric power supply system
#475Fuel cell
#476Fuel cell system controller
#477Fuel cell system
#478FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME
#479FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME
#480FUEL CELL PURGE SYSTEM
#481Fuel cell system
#482Method and arrangement for improved controllability of fuel cell stacks
#483Open type fuel cell system
#484System and method for operating a high temperature fuel cell as a back-up power supply with reduced performance decay
#485Freezing detection method for fuel cell
#486Methods of operating fuel cell stacks and systems
#487FUEL CELL SYSTEM
#488Fuel cell drive system
#489Fuel cell system
#490System and method for controlling operation of fuel cell hybrid system by switching to battery power in response to idle stop condition
#491Monitoring the operational state of a fuel cell stack
#492Induction heating device for fuel cell system
#493Mitigating electrode erosion in high temperature PEM fuel cell
#494Fuel cell system
#495Operation control device and operation control method for fuel cell power plant
#496Fuel cell system and control method thereof
#497Fuel cell system and control method at starting in the fuel cell system
#498Systems and methods for independently controlling the operation of fuel cell stacks and fuel cell systems incorporating the same
#499Operating method for a fuel cell system
#500Fuel cell system with connector welding prevention
#501Fuel cell system and power control method therefor
#502System and method for determining a state of operational readiness of a fuel cell backup system of a nuclear reactor system
#503Apparatus and method for generating virtual sound source for monitoring the operating state of a fuel cell stack
#504FUEL CELL SYSTEM AND CONTROL SYSTEM FOR SAME
#505LOW COST METHOD AND SIGNAL PROCESSING ALGORITHM TO RAPIDLY DETECT ABNORMAL OPERATION OF AN INDIVIDUAL FUEL CELL IN A PLURALITY OF SERIES CONNECTED FUEL CELLS
#506Dynamic voltage suppression in a fuel cell system
#507Apparatus for estimating fuel-cell hydrogen concentration and fuel cell system
#508Diagnosis and remediation of low anode hydrogen partial pressure in a PEM fuel cell system
#509METHOD FOR FUEL CELL SYSTEM CONTROL AND A FUEL CELL SYSTEM USING THE SAME
#510Power plant fuse arrangement
#511Method for high voltage bus control in fuel cell vehicles
#512Solid oxide fuel cell
#513Fuel cell system comprising voltage adjustment portion, control method for the fuel cell system, and vehicle equipped with the fuel cell system
#514Method to predict min cell voltage from discrete min cell voltage output of stack health monitor
#515Through-stack communication method for fuel cell monitoring circuits
#516Fuel cell system, and electric vehicle equipped with the fuel cell system
#517Fuel cell system
#518Fuel cell system control during low efficiency operation
#519Fuel cell system
#520Fuel cell system, control method for the fuel cell system, and electric vehicle equipped with the fuel cell system
#521Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell system
#522Fuel cell system, control method for the fuel cell system, and electric vehicle equipped with the fuel cell system
#523Fuel cell system, control method for the fuel cell system, and vehicle equipped with the fuel cell system
#524Fuel cell system and start-up control method therefor
#525Power cell system with means for detecting a discontinuity
#526Fuel cell system to power a portable computing device
#527Usage of regenerative brake power for system restart in start-stop operation of fuel cell hybrid vehicles
#528CONTROL EQUIPMENT FOR INTENDING AN ACTUAL FUEL CONVERSION FOR A GAS CELL ARRANGEMENT PROCEDURE FOR THE DETERMINATION OF A FUEL CONVERSION OF A GAS CELL ARRANGEMENT AND GAS CELL ARRANGEMENT
#529Arrangement and method for monitoring galvanic isolation of fuel cell device
#530Method and apparatus for controlling the operation of a fuel cell
#531Closed loop type fuel cell system with unreacted material removing function
#532Power supply system and electronic device
#533FUEL CELL SYSTEM, ESTIMATION DEVICE OF AMOUNT OF ANODE GAS TO BE GENERATED AND ESTIMATION METHOD OF AMOUNT OF ANODE GAS TO BE GENERATED
#534Method for ensuring and monitoring electrolyzer safety and performances
#535Fuel cell system and method for controlling stoppage of fuel cell system
#536Adaptive loading of a fuel cell
#537Adaptive method for conversion of external power request to current setpoint to a fuel cell system based on stack performance
#538Fuel cell stack system, channel structure, fuel cell, electrode and electronic device
#539FUEL CELL SYSTEM AND MOBILE ARTICLE
#540Fuel cell system
#541Determining duration of fuel cell shutdown hydrogen stabilization by counting coulombs
#542Method to automatically enable/disable stack reconditioning procedure based on fuel cell stack parameter estimation
#543Power supply device and power supply system for fuel cell vehicle
#544Fuel cell system
#545FUEL CELL SYSTEM AND POWER MANAGEMENT METHOD THEREOF
#546VOLTAGE-BASED FLUID SENSOR FOR A FUEL CELL STACK ASSEMBLY
#547Fuel cell system and method of detecting abnormality of fuel cell system
#548METHOD FOR CONTROLLING THE FLOW RATE OF FUEL SUPPLIED TO A FUEL CELL, FUEL SUPPLY DEVICE, AND FUEL CELL SYSTEM USING THE SAME
#549Fuel cell assembly having feed-back sensor
#550METHOD OF CONTROLLING FUEL CELL SYSTEM
#551Electrochemical system having multiple independent circuits
#552FUEL CELL OPERATIONAL METHODS FOR OXYGEN DEPLETION AT SHUTDOWN
#553Fuel cell system and electronic device
#554HYBRID POWER PLANT SYSTEM FOR VEHICLES
#555BATTERY DEVICE
#556DIRECT METHANOL FUEL CELL AND ELECTRONIC DEVICE
#557Multi-point fuel cell voltage monitor
#558Fuel cell system and gas control method
#559METHOD FOR CONTROLLING A FUEL CELL SYSTEM DURING SHUTDOWN
#560METHOD OF OPERATING A FUEL CELL/BATTERY PASSIVE HYBRID POWER SUPPLY
#561Fuel cell system for preventing excessive power generation
#562Electronic equipment provided with battery check device
#563Method to perform adaptive voltage suppression of a fuel cell stack based on stack parameters
#564Method to reduce time until acceptable drive away in a fuel cell system
#565Remedial start method in a fuel cell
#566Fuel cell system
#567System and method to operate a fuel cell in the exhaust of an internal combustion engine
#568Method to improve fuel cell system performance using cell voltage prediction of fuel cell stack
#569Fuel cell system, and method of stopping fuel cell system
#570Fuel cell system controller
#571Solid Oxide Type Fuel Cell and Operating Method Thereof
#572Fuel Cell Power System and Operating Method Thereof
#573Contactor failure detecting apparatus for fuel cell system
#574Method for limiting the output voltage of a PEM fuel cell system
#575Fuel cell using organic fuel
#576FUEL CELL UNIT, FUEL CELL STACK, AND ELECTRONIC DEVICE
#577Fuel cell with cooling method at start up
#578Fuel cell apparatus comprising a high potential avoidance voltage setting device
#579Power supply controller
#580Fuel cell system and method of controlling the same
#581Power supply control circuit
#582Controlling the fuel concentration for a fuel cell
#583Method of controlling fuel cell vehicle and fuel cell system
#584Hydrogen passivation shut down system for a fuel cell power plant
#585Fuel cell system
#586Fuel cell system capable of drying a fuel cell in a short time after a system stop instruction is used
#587Method of operating fuel cell with high power and high power fuel cell system
#588FUEL CELL SYSTEM
#589Fuel cell system
#590Fuel cell high-potential prevention control system
#591System and method of altering temperature of an electrical energy storage device or an electrochemical energy generation device using microchannels
#592System and method of operating an electrical energy storage device or an electrochemical energy generation device using microchannels and high thermal conductivity materials
#593Method of operating an electrical energy storage device using microchannels during charge and discharge
#594System and method of operating an electrical energy storage device or an electrochemical energy generation device, during charge or discharge using microchannels and high thermal conductivity materials
#595METHOD FOR CONTROLLING A FUEL CELL UTILIZING A FUEL CELL SENSOR
#596METHOD OF CONTROLLING A FUEL CELL SYSTEM UTILIZING A FUEL CELL SENSOR
#597System for altering temperature of an electrical energy storage device or an electrochemical energy generation device using microchannels based on states of the device
#598System and method of operating an electrical energy storage device or an electrochemical energy generation device using thermal conductivity materials based on mobile device states and vehicle states
#599Control apparatus for starting fuel cell vehicle
#600FUEL CELL SYSTEM