ClassID:

213530

H01M8/04798 - CPC Classification

Classification description:

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 variables to be controlled; Concentration; Density of fuel cell reactants

Recent Application in this class:
#1
20260074248
2026-03-12

FUEL CELL SYSTEM CONTROL USING CELL VOLTAGE MONITORING

#2
20260066327
2026-03-05

FUEL CELL MODULE

#3
20250391893
2025-12-25

LARGE PROTON EXCHANGE MEMBRANE FUEL CELL POWER STATION PROCESS SYSTEM

#4
20250372683
2025-12-04

PROCESS FOR SIMULTANEOUSLY PRODUCING HYDROGEN, ELECTRICITY, HYDROGEN PEROXIDE AND OXYGEN FROM WATER AND EQUIPMENT THEREOF

#5
20250357507
2025-11-20

SOLID OXIDE FUEL CELL ASSEMBLY

#6
20250246656
2025-07-31

FUEL CELL SYSTEM

#7
20250140884
2025-05-01

COMPUTER-IMPLEMENTED METHOD FOR OPERATING A FUEL CELL SYSTEM IN CONNECTION WITH START-UP OF THE FUEL CELL SYSTEM

#8
20250087725
2025-03-13

METHOD FOR OPERATING A FUEL CELL SYSTEM, AND A CONTROL UNIT

#9
20250015327
2025-01-09

FUEL CELL SYSTEM HAVING STACK VOLTAGE CONTROL BASED FREEZE STARTUP STRATEGY

#10
20240379984
2024-11-14

FUEL CELL SYSTEM AND AIRCRAFT HAVING AN INERTING SYSTEM

#11
20240372124
2024-11-07

Fuel Cell Stack Module

#12
20240372119
2024-11-07

FUEL CELL SYSTEMS AND METHODS OF SIZING AND OPERATING AN EJECTOR BY USING A BY-PASS VALVE

#13
20240282980
2024-08-22

ALKALINE AMINE FUEL CELL

#14
20240243318
2024-07-18

FUEL CELL SYSTEM AND METHOD FOR OPERATING THE SAME

#15
20230411652
2023-12-21

SYSTEM AND METHOD FOR ESTIMATING HYDROGEN CONCENTRATION OF FUEL CELL

#16
20230387436
2023-11-30

VALVE OPENING/CLOSING DETECTION DEVICE FOR FUEL CELL SYSTEM AND METHOD THEREFOR

#17
20230299313
2023-09-21

FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

#18
20230238552
2023-07-27

SOLID OXIDE FUEL CELL ASSEMBLY

#19
20230197994
2023-06-22

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#20
20230170505
2023-06-01

APPARATUS FOR CONTROLLING OPERATION OF FUEL CELL SYSTEM AND METHOD THEREFOR

#21
20230010307
2023-01-12

LARGE PROTON EXCHANGE MEMBRANE FUEL CELL POWER STATION PROCESS SYSTEM

#22
20220359898
2022-11-10

Air supply system for fuel cell and method of controlling same

#23
20220344685
2022-10-27

Fuel cell system and air vehicle

#24
20220293973
2022-09-15

FULL CELL SYSTEM

#25
20220285711
2022-09-08

Fuel cell system

#26
20220231312
2022-07-21

System for estimating amount of purge of fuel cell, and system and method for estimating hydrogen concentration of fuel cell using the same

#27
20220166039
2022-05-26

System and method for fuel supply control for a fuel cell

#28
20210367255
2021-11-25

Air supply system for fuel cell and method of controlling same

#29
20210328241
2021-10-21

Redox flow battery with electrolyte balancing and compatibility enabling features

#30
20210202965
2021-07-01

FUEL CELL SYSTEM AND METHOD FOR PURGING AND REMOVING WATER DURING START AND STOP PROCESS THEREOF

#31
20210020969
2021-01-21

System for estimating amount of purge of fuel cell, and system and method for estimating hydrogen concentration of fuel cell using the same

#32
20210005910
2021-01-07

Fuel cell system and method for operating fuel cell system

#33
20200388866
2020-12-10

Fuel cell freeze start method with anode pressure control

#34
20200350605
2020-11-05

System for managing hydrogen utilization in a fuel cell power plant

#35
20200220186
2020-07-09

METHOD FOR CONTROLLING OPERATION OF CHEMICAL FLOW BATTERY

#36
20200185741
2020-06-11

Fuel cell systems and methods for detecting fuel contaminants and hydrocarbon content

#37
20200176800
2020-06-04

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#38
20200176789
2020-06-04

Operation of molten carbonate fuel cells with enhanced COutilization

#39
20200091530
2020-03-19

Fuel cell system having oxygen sensor, and control method thereof

#40
20200058949
2020-02-20

Apparatus and method for controlling hydrogen purging

#41
20200044267
2020-02-06

Redox flow battery with electrolyte balancing and compatibility enabling features

#42
20200044265
2020-02-06

Fuel cell system and method of operating a fuel cell system

#43
20190379074
2019-12-12

Method of operating a fuel cell stack having a temporarily disabled bleed valve

#44
20190288314
2019-09-19

Control method and control system of hydrogen concentration for fuel cell

#45
20190288310
2019-09-19

Method and system for estimating hydrogen concentration of fuel cell

#46
20190207235
2019-07-04

Method of controlling hydrogen partial pressure for fuel cell system

#47
20190181473
2019-06-13

Hydrogen concentration estimating method and system for fuel cell

#48
20190006688
2019-01-03

Hydrogen supply method for fuel cell system

#49
20180294497
2018-10-11

Fuel cell system and method thereof

#50
20180226659
2018-08-09

FUEL CELL WITH THERMAL ENERGY STORAGE FOR FLEXIBILITY IN HYBRIDS

#51
20180202568
2018-07-19

Throttle valve control device

#52
20180198141
2018-07-12

Method to detect fuel cell gas leak

#53
20180159155
2018-06-07

Method for measuring and controlling methanol concentration in a methanol fuel cell

#54
20180151896
2018-05-31

Recirculation fuel cell

#55
20180115000
2018-04-26

Steam reformer bypass plenum and flow controller

#56
20180099246
2018-04-12

Hydrogen sensing and separation

#57
20180097246
2018-04-05

Method and device for operating fuel cells with artificial air

#58
20170365868
2017-12-21

Fuel cell system and method of controlling the same

#59
20170338499
2017-11-23

Method of running-in operation of fuel cell

#60
20170331128
2017-11-16

Method for switching off a fuel cell stack, and fuel cell system

#61
20170331127
2017-11-16

Fuel cell and coolant storage

#62
20170324101
2017-11-09

PROACTIVE ANODE FLOODING REMEDIATION

#63
20170263964
2017-09-14

Rechargeable battery assembly for a vehicle

#64
20170256806
2017-09-07

FUEL CELL SYSTEM AND METHOD OF CONTROLLING FUEL CELL SYSTEM

#65
20170250428
2017-08-31

On-line monitoring of process/system

#66
20170170501
2017-06-15

Fuel cell system and method of controlling the same

#67
20170170496
2017-06-15

Method for controlling startup of fuel cell vehicle

#68
20170084941
2017-03-23

Validation and correction of gen 2 anode H2 concentration estimation

#69
20170051685
2017-02-23

Engine systems and methods of operating an engine

#70
20170047602
2017-02-16

Fuel cell system and method of controlling the same

#71
20170040628
2017-02-09

Transition arrangement and process of a fuel cell system operation state

#72
20170025692
2017-01-26

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

#73
20170012333
2017-01-12

Electrochemical battery and method of operating the same

#74
20170012305
2017-01-12

Fuel cell system

#75
20170012304
2017-01-12

INTEGRATED RECIRCULATING FUEL CELL SYSTEM

#76
20160372766
2016-12-22

Method for starting up a fuel cell

#77
20160322657
2016-11-03

FUEL CELL SYSTEM AND CONTROL METHOD

#78
20160254557
2016-09-01

Liquid fuel CPOX reformer and fuel cell systems, and methods of producing electricity

#79
20160204455
2016-07-14

Simplification of the electrical system of fuel cells by means of depletion of the cathode supply

#80
20160190621
2016-06-30

Fuel cell supply including information storage device and control system

#81
20160190620
2016-06-30

Fuel cell system and method of controlling the same

#82
20160181637
2016-06-23

Fuel cell system

#83
20160164124
2016-06-09

Apparatus and method for controlling hydrogen purging

#84
20160156049
2016-06-02

Method and apparatus for controlling fuel concentration of liquid fuel cell by sensor-less and voltage amplitude-control based feed-back control, and liquid fuel cell apparatus using the same

#85
20160056487
2016-02-25

Method of maintaining health of a flow battery

#86
20160049672
2016-02-18

Fuel cell system and method of controlling fuel cell system

#87
20160049671
2016-02-18

Fuel cell system and control method therefor

#88
20160043417
2016-02-11

Method for creating an oxygen depleted gas in a fuel cell system

#89
20160020476
2016-01-21

Operational control of fuel cells

#90
20160006060
2016-01-07

Method of controlling operation of fuel cell system

#91
20160006056
2016-01-07

Fuel cell system and method for controlling the same

#92
20150380753
2015-12-31

Method for stopping fuel cell system and fuel cell system

#93
20150357651
2015-12-10

Apparatus and methods for treating water and generating electrical power

#94
20150344304
2015-12-03

Reducing gas generators and methods for generating reducing gas

#95
20150303504
2015-10-22

Methods for determining and/or adjusting redox-active element concentrations in redox flow batteries

#96
20150188165
2015-07-02

Apparatus for controlling purging in a hydrogen storage system and method for the same

#97
20150140464
2015-05-21

Derivation of control parameters of fuel cell systems for flexible fuel operation

#98
20150125766
2015-05-07

System and method for controlling fuel cell module

#99
20150050576
2015-02-19

FUEL CELL SYSTEM AND METHOD OF CONTROLLING CONCENTRATION OF FUEL

#100
20150037699
2015-02-05

Fuel cell assembly having feed-back sensor

#101
20150010838
2015-01-08

Fuel cell system and method of operating the same

#102
20140302409
2014-10-09

Fuel system for fuel cells

#103
20140263401
2014-09-18

System and method for providing customized renewable fuels

#104
20140203636
2014-07-24

Operating method for an electric energy system of a motor vehicle comprising a fuel cell system, an accumulator and an electric motor

#105
20140193732
2014-07-10

Method of controlling and maximizing the electric efficiency and the power output of a fuel cell

#106
20140186731
2014-07-03

Operating a redox flow battery with a negative electrolyte imbalance

#107
20140162171
2014-06-12

Anode leak location detection

#108
20140162160
2014-06-12

Fuel cell failure prediction apparatus

#109
20140162155
2014-06-12

Derivation of control parameters of fuel cell systems for flexible fuel operation

#110
20140154599
2014-06-05

Method and apparatus for simultaneous controlling of fuel concentration and temperature of liquid fuel by sensor-less and temperature-control based feed-back control, liquid fuel cell apparatus using the same

#111
20140113208
2014-04-24

Method and system for stable direct methanol fuel cell operation at varying loads and sub-zero temperatures

#112
20140072893
2014-03-13

Powering a fuel cell stack during standby

#113
20140038071
2014-02-06

Fuel cell module

#114
20140017586
2014-01-16

FUEL CELL APPARATUS AND DRIVING METHOD THEREOF, AND COMPLEX CARTRIDGE FOR THE SAME

#115
20140004438
2014-01-02

FUEL CELL SYSTEM AND METHOD OF OPERATING FUEL CELL SYSTEM

#116
20130323611
2013-12-05

Battery electrolyte suspension

#117
20130288146
2013-10-31

FUEL CELL SYSTEM

#118
20130137007
2013-05-30

Hydrogen concentration control device and method for fuel cell system

#119
20130065091
2013-03-14

Fuel cell system, and control method for fuel cell system

#120
20130034787
2013-02-07

Fuel cell system

#121
20130029238
2013-01-31

STARTUP CONTROL DEVICE AND METHOD FOR FUEL CELL SYSTEM

#122
20130004869
2013-01-03

FUEL CELL SYSTEM

#123
20120321917
2012-12-20

Fuel cell system and vehicle equipped with the same

#124
20120315559
2012-12-13

Apparatus for controlling hydrogen supply of fuel cell system and method for controlling the same

#125
20120270125
2012-10-25

Fuel cell supply including information storage device and control system

#126
20120251914
2012-10-04

Derivation of control parameters of fuel cell systems for flexible fuel operation

#127
20120251906
2012-10-04

System for adding sulfur to a fuel cell stack system for improved fuel cell stability

#128
20120202095
2012-08-09

Recombinator for flowing electrolyte battery

#129
20120189876
2012-07-26

FUEL CELL PURGE SYSTEM

#130
20120178008
2012-07-12

Fuel cell system and method of controlling reaction condition of fuel in fuel cell

#131
20120141899
2012-06-07

Method of controlling water content of fuel cell and fuel cell system

#132
20120141895
2012-06-07

System and method for controlling operation of fuel cell hybrid system by switching to battery power in response to idle stop condition

#133
20120107711
2012-05-03

Operation control device and operation control method for fuel cell power plant

#134
20120088167
2012-04-12

Operating method for a fuel cell system

#135
20120082873
2012-04-05

Cross-flow electrochemical batteries

#136
20120040264
2012-02-16

HYDROGEN CONCENTRATION SENSOR UTILIZING CELL VOLTAGE RESULTING FROM HYDROGEN PARTIAL PRESSURE DIFFERENCE

#137
20120028158
2012-02-02

Solid oxide fuel cell

#138
20120028152
2012-02-02

Diagnosis and remediation of low anode hydrogen partial pressure in a PEM fuel cell system

#139
20120024715
2012-02-02

Systems and methods for selective hydrogen transport and measurement

#140
20120012783
2012-01-19

Reducing gas generators and methods for generating reducing gas

#141
20120012782
2012-01-19

Reducing gas generators and methods for generating a reducing gas

#142
20120000435
2012-01-05

Engine systems and methods of operating an engine

#143
20110269033
2011-11-03

System for adding sulfur to a fuel cell stack system for improved fuel cell stability

#144
20110244348
2011-10-06

Feedback control of H2 injection during park based on gas concentration model

#145
20110217614
2011-09-08

DIRECT FORMIC ACID FUEL CELL PERFORMING REAL TIME MEASUREMENT AND CONTROL OF CONCENTRATION OF FORMIC ACID AND OPERATION METHOD THEREOF

#146
20110217601
2011-09-08

Fuel cell system

#147
20110183225
2011-07-28

Optimized cathode fill strategy for fuel cell

#148
20110165486
2011-07-07

METHOD AND A CONTROL ARRANGEMENT FOR A FUEL CELL DEVICE

#149
20110151345
2011-06-23

Fuel cell assembly having feed-back sensor

#150
20110143241
2011-06-16

FUEL CELL OPERATIONAL METHODS FOR OXYGEN DEPLETION AT SHUTDOWN

#151
20110123889
2011-05-26

Fuel cell supply including information storage device and control system

#152
20110077839
2011-03-31

System and method to operate a fuel cell in the exhaust of an internal combustion engine

#153
20110076580
2011-03-31

Fuel cell system, and method of stopping fuel cell system

#154
20110059377
2011-03-10

Apparatus for generating a gas which may be used for startup and shutdown of a fuel cell

#155
20110053024
2011-03-03

Fuel cell using organic fuel

#156
20110020719
2011-01-27

Fuel cell system and method of controlling the same

#157
20110014536
2011-01-20

Fuel cell system

#158
20110008697
2011-01-13

Controlling the fuel concentration for a fuel cell

#159
20100316920
2010-12-16

Electrochemical energy generating apparatus and operating method thereof, and electrochemical device

#160
20100273082
2010-10-28

Structure and method for optimizing system efficiency when operating an SOFC system with alcohol fuels

#161
20100266923
2010-10-21

FUEL CELL SYSTEM WITH ELECTROCHEMICAL HYDROGEN PUMP AND METHOD OF OPERATING SAME

#162
20100233583
2010-09-16

Fuel cell system

#163
20100221643
2010-09-02

Hydrazine fixing detection system

#164
20100203407
2010-08-12

Fuel cell system with regeneration of electrode activity during start or stop

#165
20100167174
2010-07-01

FUEL CELL SYSTEM

#166
20100112400
2010-05-06

Fuel cell supply including information storage device and control system

#167
20100040915
2010-02-18

Hydrogen generator, fuel cell system and their operating methods

#168
20100015478
2010-01-21

Method and apparatus for measuring methanol vapor concentration, method of controlling methanol vapor concentration in a fuel cell, and fuel cell using the same

#169
20100003551
2010-01-07

Method for operating a fuel cell system in a mode of reduced power output

#170
20090325009
2009-12-31

Electric power supply apparatus and portable electronic device having the same

#171
20090311560
2009-12-17

Method for reverse activation of fuel cell

#172
20090297900
2009-12-03

Fuel cell system

#173
20090297899
2009-12-03

Housing, apparatus for generating hydrogen and fuel cell power generation system having the same

#174
20090291333
2009-11-26

REACTION PRODUCT CONTROL SYSTEM AND PROCESS FOR CONTROLLING A REACTION PRODUCT IN A FUEL CELL

#175
20090280365
2009-11-12

FUEL CELL SYSTEM AND METHOD OF STARTING A FUEL CELL SYSTEM

#176
20090280360
2009-11-12

Derivation of control parameters of fuel cell systems for flexible fuel operation

#177
20090269625
2009-10-29

Methods and systems for determining and controlling fuel concentrations in fuel cells

#178
20090246571
2009-10-01

DETERMINATION OF THE LAMBDA VALUE OF REFORMATE WITH THE AID OF A FUEL CELL

#179
20090246570
2009-10-01

METHOD AND APPARATUS FOR MEASURING CROSSOVER LOSS OF FUEL CELL

#180
20090220832
2009-09-03

Hydrogen passivation shut down system for a fuel cell power plant

#181
20090208793
2009-08-20

Hybrid type power supplying apparatus

#182
20090181265
2009-07-16

ENERGY MANAGEMENT MODULE AND DRIVING DEVICE

#183
20090169935
2009-07-02

Fuel cell system

#184
20090136792
2009-05-28

Method of measuring concentration of fuel

#185
20090130509
2009-05-21

Fuel cell system

#186
20090123811
2009-05-14

ELECTROCHEMICAL CELL AND FUEL CELL INCLUDING IT

#187
20090117418
2009-05-07

FUEL CELL AND DRIVING METHOD FOR FUEL CELL

#188
20090110986
2009-04-30

Method and apparatus for managing fuel cell performance and direct methanol type fuel cell using the method

#189
20090110983
2009-04-30

FUEL CELL SYSTEM

#190
20090110968
2009-04-30

METHOD AND APPARATUS FOR CONTROLLING FUEL CONCENTRATION IN DIRECT LIQUID FUEL CELL

#191
20090068515
2009-03-12

Fuel Supplying and Controlling Method and Fuel Cell Apparatus Using the Same

#192
20090061269
2009-03-05

Fuel cell system and control method therefor

#193
20090053567
2009-02-26

Fuel gas feeding device and control method therefor

#194
20090011289
2009-01-08

Direct oxidation fuel cell systems with regulated fuel concentration and oxidant flow

#195
20080280171
2008-11-13

Hydrogen Generation Device, Operation Method Thereof, and Fuel Cell System

#196
20080280167
2008-11-13

FUEL CELL STACK PERFORMANCE MONITORING

#197
20080187800
2008-08-07

WATER RECYCLING SYSTEM FOR FUEL CELL

#198
20080187795
2008-08-07

Use of an Electrochemical Cell Such as a Fuel Cell

#199
20080152964
2008-06-26

Technique and apparatus to regulate a reactant stoichiometric ratio of a fuel cell system

#200
20080152962
2008-06-26

Controlling oxidant flow to a reactor of a fuel cell system

#201
20080152961
2008-06-26

Purging a fuel cell system

#202
20080107942
2008-05-08

Fuel cell system and transportation equipment including the same

#203
20080107940
2008-05-08

Fuel cell system for computing fuel level

#204
20080107932
2008-05-08

Process for the conversion of oil-based liquid fuels to a fuel mixture suitable for use in solid oxide fuel cell applications

#205
20080081235
2008-04-03

Fuel cell system

#206
20080075985
2008-03-27

Adaptive purge control to prevent electrode redox cycles in fuel cell systems

#207
20080070075
2008-03-20

FUEL CELL SYSTEM

#208
20080057364
2008-03-06

Fuel cell device, control device, and program cross-reference to related applications

#209
20080044705
2008-02-21

Density sensing device and fuel cell system with it

#210
20080044694
2008-02-21

Fuel cell system and method of operating the same

#211
20080032165
2008-02-07

Fuel cell device, control device, control method, and control program

#212
20080026272
2008-01-31

Fuel supply system for fuel cell and fuel cell system using the same

#213
20070298295
2007-12-27

Method and system for recovering high power output operation of high temperature fuel cells using a rapid load recovery procedure

#214
20070292737
2007-12-20

Electrochemical energy generating apparatus and method for driving the apparatus

#215
20070287041
2007-12-13

System level adjustments for increasing stack inlet RH

#216
20070281188
2007-12-06

Method for operating a fuel cell system and fuel cell system

#217
20070259256
2007-11-08

Systems and methods for detecting and indicating fault conditions in electrochemical cells

#218
20070259229
2007-11-08

FUEL CELL ACTIVATION METHOD AND THE DEVICE THEREOF

#219
20070259227
2007-11-08

Fuel cell system and control method therefor

#220
20070231645
2007-10-04

Fuel cell system and method of controlling operation of the same

#221
20070231638
2007-10-04

Fuel feeder, electric equipment and fuel feed system thereof

#222
20070231636
2007-10-04

Adaptive anode nitrogen management control

#223
20070224472
2007-09-27

Fuel cell system

#224
20070224470
2007-09-27

Modular fuel cell

#225
20070218323
2007-09-20

Methods of operating fuel cell power generators, and fuel cell power generators

#226
20070202369
2007-08-30

DIRECT FORMIC ACID FUEL CELL PERFORMING REAL TIME MEASUREMENT AND CONTROL OF CONCENTRATION OF FORMIC ACID AND OPERATION METHOD THEREOF

#227
20070190378
2007-08-16

Direct oxidation fuel cell systems with regulated fuel concentration and oxidant flow

#228
20070190377
2007-08-16

System and method to operate a fuel cell in the exhaust of an internal combustion engine

#229
20070178367
2007-08-02

Direct oxidation fuel cell and method for operating direct oxidation fuel cell system

#230
20070172714
2007-07-26

Fuel cell power generating apparatus

#231
20070166583
2007-07-19

FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

#232
20070154754
2007-07-05

Direct methanol fuel cell system and operating method thereof

#233
20070154750
2007-07-05

Hydrogen generator, method of operating hydrogen generator, and fuel cell system

#234
20070154746
2007-07-05

Purging a fuel cell system

#235
20070154745
2007-07-05

Purging a fuel cell system

#236
20070141413
2007-06-21

Fuel cell sensors and methods

#237
20070122670
2007-05-31

Fuel cell unit

#238
20070099045
2007-05-03

FUEL CELL DEVICE CAPABLE OF ADJUSTING OPERATIONAL PARAMETERS

#239
20070099041
2007-05-03

Fuel cell with IC components

#240
20070092772
2007-04-26

Fuel cell system and polymer electrolyte fuel cell system

#241
20070082244
2007-04-12

Control device for fuel cell system and related method

#242
20070082235
2007-04-12

System and method for controlling cathode stoichiometry to minimize RH excursions during transients

#243
20070072023
2007-03-29

Fuel cell unit, information processing apparatus, and power supply control method for information processing apparatus

#244
20070072022
2007-03-29

FUEL CELL SYSTEM AND TRANSPORT EQUIPMENT INCLUDING THE SAME

#245
20070065711
2007-03-22

AIR INDEPENDENT POWER PRODUCTION

#246
20070065709
2007-03-22

Method and apparatus for porous catalyst on a fuel cell flow field and high temperature membrane

#247
20070059583
2007-03-15

Fuel cell system

#248
20070048569
2007-03-01

Fuel cell system, fuel cell power generation apparatus and method therefor

#249
20070048566
2007-03-01

Fuel cell unit, control method for fuel cell unit, and information processing apparatus

#250
20070048560
2007-03-01

Method and apparatus for water management in direct methanol fuel cell system using heat exchanger

#251
20070042245
2007-02-22

Fuel cell unit, control method thereof, information processing apparatus, and power supply control method thereof

#252
20070037025
2007-02-15

Control assembly for controlling a fuel cell system during shutdown and restart

#253
20070020493
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