ClassID:

213544

H01M8/04902 - 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; Electric variables; Current of the individual fuel cell

Recent Application in this class:
#1
20260142207
2026-05-21

METHOD AND AN APPARATUS, A CONTROLLER, A SYSTEM, AND A PROGRAM PRODUCT FOR LIMITING CURRENT

#2
20250201879
2025-06-19

Soft-Start Strategy Of A Fuel Cell

#3
20250167270
2025-05-22

METHOD FOR CONTROLLING A FUEL CELL AT VERY LOW PARTIAL PRESSURES UP TO NULL

#4
20250096292
2025-03-20

METHOD FOR ESTABLISHING A DEFINED STATE IN AN ELECTROCHEMICAL SYSTEM, DISCONNECTING DEVICE, AND POWER CONVERTER

#5
20240367554
2024-11-07

FUEL CELL POWER AND BATTERY STATE-OF-CHARGE MANAGEMENT

#6
20240313241
2024-09-19

FUEL CELL SYSTEM

#7
20240030469
2024-01-25

ANODE POISON REDUCTION SYSTEM AND METHOD FOR FUEL CELL VEHICLE

#8
20240021856
2024-01-18

SYSTEMS AND METHODS OF USING AN ENERGY STORAGE DEVICE TO ASSIST AN EJECTOR

#9
20230402630
2023-12-14

SYSTEM AND METHOD FOR CONTROLLING FUEL CELL

#10
20230396091
2023-12-07

Battery management architectures for flow batteries

#11
20230378508
2023-11-23

REDOX FLOW BATTERY OPERATION METHOD, AND REDOX FLOW BATTERY SYSTEM

#12
20230317989
2023-10-05

POWER SUPPLY SYSTEM, CONTROL METHOD, AND PROGRAM

#13
20230268531
2023-08-24

HIGH-TEMPERATURE ANION-EXCHANGE MEMBRANE FUEL CELL

#14
20230261225
2023-08-17

Apparatus for Converting Power of Fuel Cell for Power Generation and Method Thereof

#15
20230261224
2023-08-17

Apparatus for Converting Power of Fuel Cell for Power Generation and Method Thereof

#16
20230170729
2023-06-01

Battery management architectures for flow batteries

#17
20230170506
2023-06-01

SYSTEM AND METHOD FOR CONTROLLING POWER FOR FUEL CELL

#18
20230056450
2023-02-23

FUEL CELL REGENERATION

#19
20230038076
2023-02-09

POWER SUPPLY METHOD AND SYSTEM FOR HYDROGEN FUEL CELL STACK, AND HYDROGEN POWERED MOTORCYCLE AND DRIVING METHOD AND SYSTEM THEREOF

#20
20230037634
2023-02-09

METHOD FOR DIAGNOSING DETERIORATION OF FUEL CELL AND METHOD AND SYSTEM FOR PREVENTING DETERIORATION OF FUEL CELL USING THE SAME

#21
20220416269
2022-12-29

Systems and methods of using an energy storage device to assist an ejector

#22
20220399556
2022-12-15

FUEL CELL SYSTEM

#23
20220384824
2022-12-01

Fuel cell system

#24
20220352533
2022-11-03

System and method for operating fuel cell

#25
20220320541
2022-10-06

FUEL CELL CONTROL METHOD, CONTROL SYSTEM AND ELECTRIC VEHICLE

#26
20220293979
2022-09-15

Fuel cell system

#27
20220223937
2022-07-14

System and method for resonant heating battery

#28
20220173421
2022-06-02

Operation of molten carbonate fuel cells with high electrolyte fill level

#29
20220158205
2022-05-19

System and method for controlling fuel cell

#30
20220123342
2022-04-21

BIOCELL WITH FUEL RESERVOIR

#31
20210376347
2021-12-02

Fuel cell system and control method for fuel cell system

#32
20210320312
2021-10-14

METHOD AND DEVICE FOR PREDICTING SERVICE LIFE AND REMAINING LIFE OF FUEL CELL

#33
20210313605
2021-10-07

FCEV max power control map at high temperature through predictive convection

#34
20210305597
2021-09-30

GAS SAMPLING SYSTEM AND GAS SAMPLING METHOD FOR FUEL CELL, CURRENT DENSITY DISTRIBUTION ESTIMATION METHOD FOR FUEL CELL, AND CALIBRATION METHOD FOR INTERNAL STATE MODEL OF FUEL CELL

#35
20210265648
2021-08-26

FUEL CELL SYSTEM AND METHOD OF CONTROLLING FUEL CELL SYSTEM

#36
20210249676
2021-08-12

Biocell with fuel reservoir

#37
20210159531
2021-05-27

Operation of molten carbonate fuel cells with high electrolyte fill level

#38
20210143459
2021-05-13

Fuel cell system

#39
20210104764
2021-04-08

Autonomous power generation system

#40
20210083306
2021-03-18

Operation control system and method of fuel cell vehicle

#41
20210050605
2021-02-18

ELECTROLYTELESS FUEL CELL SYSTEM

#42
20200227762
2020-07-16

FUEL CELL SYSTEM AND CONTROL METHOD THEREFOR

#43
20200215932
2020-07-09

Fuel cell vehicle and method for controlling the same

#44
20200168930
2020-05-28

Method of measuring impedance of fuel cell stack in vehicle

#45
20200161974
2020-05-21

CURRENT CONTROL SYSTEM, FUEL CELL SYSTEM, AND METHOD OF CONTROLLING BOOST CONVERTER

#46
20200036018
2020-01-30

Fuel cell system

#47
20190393526
2019-12-26

CLOSED LOOP CONTROL FOR FUEL CELL WATER MANAGEMENT

#48
20190379233
2019-12-12

Battery management architectures for flow batteries

#49
20190305347
2019-10-03

Fuel cell activation method

#50
20190260049
2019-08-22

Fuel cell system and method of controlling fuel cell system

#51
20190165427
2019-05-30

Current bypass device for proton exchange membrane fuel cell system

#52
20190148747
2019-05-16

Fuel cell system

#53
20190131639
2019-05-02

Electrolyte storage tank, flow battery, box-type flow battery system and charge-discharge control method of flow battery

#54
20180277862
2018-09-27

EXHAUST PROCESSING UNIT

#55
20180248210
2018-08-30

Fuel cell system and fuel cell control method

#56
20180229622
2018-08-16

Power conditioning system and control method therefor

#57
20180148851
2018-05-31

System and method for tuning an electrochemical cell stack

#58
20180148850
2018-05-31

System and method for tuning an electrochemical cell stack

#59
20180138530
2018-05-17

Circuit and method for cell voltage sensing in fuel cell stack

#60
20170346117
2017-11-30

Fuel cell system and method of shutting down the same

#61
20170331127
2017-11-16

Fuel cell and coolant storage

#62
20170104231
2017-04-13

Fuel cell system and performance improvement method of fuel cell system

#63
20170082696
2017-03-23

Determining of a spatial distribution of the electrical contact resistance of an electrochemical cell

#64
20170040629
2017-02-09

High-efficiency fuel cell system with carbon dioxide capture assembly and method

#65
20160380285
2016-12-29

Fuel cell system

#66
20160359182
2016-12-08

High-efficiency molten carbonate fuel cell system with carbon dioxide capture assembly and method

#67
20160351928
2016-12-01

Fuel cell system and control method for fuel cell system

#68
20160329618
2016-11-10

Method and system for storing electricity in metals

#69
20160197366
2016-07-07

Systems and methods for detecting leaks in a fuel cell system

#70
20160156084
2016-06-02

APPARATUS AND METHOD FOR CONTROLLING CONVERTER

#71
20160141690
2016-05-19

Fuel cell system and control method thereof

#72
20160093906
2016-03-31

Device and method for controlling cold start of fuel cell system

#73
20150357661
2015-12-10

Method for detecting leakage of a reducing fluid throughout an electrolyte membrane of an electrochemical cell

#74
20150214562
2015-07-30

Controller for Fuel Cell Operation

#75
20150188170
2015-07-02

Fuel cell system

#76
20150064589
2015-03-05

Fuel cell system and its control method

#77
20150024298
2015-01-22

System and method for tuning an electrochemical cell stack

#78
20150010837
2015-01-08

Fuel Cell System

#79
20150004507
2015-01-01

FUEL CELL APPARATUS

#80
20140370414
2014-12-18

Internally controllable fuel cell

#81
20140242489
2014-08-28

Solid oxide fuel cell system

#82
20140193732
2014-07-10

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

#83
20140132238
2014-05-15

System and method for sensing and mitigating hydrogen evolution within a flow battery system

#84
20130302711
2013-11-14

FUEL CELL POWER GENERATION SYSTEM AND CONTROL METHOD THEREOF

#85
20120321916
2012-12-20

System and method for sensing and mitigating hydrogen evolution within a flow battery system

#86
20120045705
2012-02-23

FUEL CELL SYSTEM

#87
20110177403
2011-07-21

Hydrogen concentration measurement device and fuel cell system

#88
20110033760
2011-02-10

Micro gap flow through electrochemical devices with self adjusting reactive surfaces

#89
20100248049
2010-09-30

Fuel cell system with interruption control

#90
20100228535
2010-09-09

Simulator of SOFC for electric characteristics

#91
20100203409
2010-08-12

Fuel cell system and its control method

#92
20100173214
2010-07-08

Controller for fuel cell operation

#93
20100151341
2010-06-17

Fuel cell system

#94
20100068574
2010-03-18

Fuel cell system and power supply control method

#95
20100035090
2010-02-11

OFF-STATE DEGRADATION PREVENTION IN A FUEL CELL WITHOUT ON-STATE LOSSES USING SELF CONTROLLED ELEMENT

#96
20090321265
2009-12-31

Methods for controlling catalytic processes, including the deposition of carbon based particles

#97
20090214765
2009-08-27

Fuel Cell Anode Structures For Voltage Reversal Tolerance

#98
20080241619
2008-10-02

FUEL CELL APPARATUS

#99
20080220294
2008-09-11

Individual cell shorting during startup and shutdown using an integrated switch

#100
20080090111
2008-04-17

FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME

#101
20060210850
2006-09-21

Method, system and apparatus for diagnostic testing of an electrochemical cell stack

#102
20060210843
2006-09-21

Multiplexer and system for supplying current to an electrochemical cell stack

#103
20060172164
2006-08-03

Fuel cell and fuel cell system

#104
20060057447
2006-03-16

Fuel cell system

#105
20050208349
2005-09-22

Method for detecting undersupply of fuel gas and method for controlling fuel cell

#106
18219614
2023-11-28

Ce and Zn-doped NiFe2O4 catalysts for urea fuel cells