ClassID:

213505

H01M8/04611 - 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 the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function; Electric variables; Power, energy, capacity or load of the individual fuel cell

Recent Application in this class:
#1
20260038857
2026-02-05

SYSTEMS AND METHODS FOR MULTI-INPUT ANODE LOOP CONTROL FOR FUEL CELLS

#2
20260038853
2026-02-05

FUEL CELL SYSTEM AND CONTROL METHOD OF FUEL CELL SYSTEM

#3
20260027300
2026-01-29

MEDICAL DEVICE AND MEDICAL SYSTEM USING SAID MEDICAL DEVICE

#4
20260024791
2026-01-22

FUEL CELL SYSTEM CONTROL

#5
20260018639
2026-01-15

ARTIFICIAL PHOTOSYNTHESIS ENERGY SYSTEMS AND METHODS

#6
20250336993
2025-10-30

Flow Battery Measurement System

#7
20250300205
2025-09-25

REGENERATIVE FUEL CELL SYSTEM

#8
20250293277
2025-09-18

Apparatus for Controlling Fuel Cell and Method Thereof

#9
20250266479
2025-08-21

FUEL CELL POWER GENERATION CONTROL SYSTEM

#10
20250253372
2025-08-07

METHODS AND SYSTEMS FOR OPTIMIZING LIFETIME OF FUEL CELL SYSTEM BASED ON ADJUSTMENT AND CONSTRAINT OF THERMOELECTRIC RATIO

#11
20250210676
2025-06-26

METHOD FOR OPERATING A FUEL CELL SYSTEM AND FUEL CELL SYSTEM

#12
20250062375
2025-02-20

A METHOD FOR OPERATING A FUEL CELL

#13
20250046838
2025-02-06

METHOD FOR DIAGNOSING THE OPERATING STATUS OF A FUEL CELL SYSTEM, METHOD FOR CONTROLLING A FUEL CELL SYSTEM, AND A FUEL CELL SYSTEM

#14
20250015333
2025-01-09

FLOW BATTERY CLEANSING CYCLE TO MAINTAIN ELECTROLYTE HEALTH AND SYSTEM PERFORMANCE

#15
20240416780
2024-12-19

Electric power supply system

#16
20240396064
2024-11-28

ELECTROLYTE TANK VOLUME REBALANCING

#17
20240266575
2024-08-08

FE-CR REDOX FLOW BATTERY SYSTEMS AND METHODS FOR PREPARATION OF CHROMIUM-CONTAINING ELECTROLYTE THEREFOR

#18
20240234755
2024-07-11

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

#19
20240194921
2024-06-13

REBALANCING CELL SYSTEM FOR REDOX FLOW BATTERY

#20
20240186541
2024-06-06

METHOD AND SYSEM FOR HUMIDIFYING AN AIR SUPPLY OF A FUEL CELL FOR AIRCRAFT

#21
20240136547
2024-04-25

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

#22
20240113315
2024-04-04

PERFORMANCE TESTING DEVICE APPLICABLE TO METAL FUEL CELL

#23
20240097165
2024-03-21

METHOD FOR OPERATING A FUEL CELL, AND FUEL CELL SYSTEM

#24
20240092186
2024-03-21

METHOD FOR OPERATING AN ELECTRIC DRIVE SYSTEM

#25
20240006636
2024-01-04

CHARGING AND DISCHARGING MECHANISM OF FUEL CELL SYSTEM TO SECONDARY BATTERY

#26
20230361327
2023-11-09

POWER GENERATION CONTROL DEVICE

#27
20230261224
2023-08-17

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

#28
20230216072
2023-07-06

System and method for determining state of charge for an electric energy storage device

#29
20230197997
2023-06-22

Redox flow battery systems and methods utilizing primary and secondary redox flow battery arrangements

#30
20230064696
2023-03-02

FLOW BATTERY CLEANSING CYCLE TO MAINTAIN ELECTROLYTE HEALTH AND SYSTEM PERFORMANCE

#31
20230027958
2023-01-26

Fuel cell system, and operating method of fuel cell system

#32
20220416279
2022-12-29

FUEL CELL SYSTEM

#33
20220359898
2022-11-10

Air supply system for fuel cell and method of controlling same

#34
20220359896
2022-11-10

Method for optimizing power distribution of fuel cell vehicle

#35
20220352533
2022-11-03

System and method for operating fuel cell

#36
20220203844
2022-06-30

POWER GENERATION SYSTEMS AND METHODS FOR CONTROLLING CASCADED BATTERIES AND FUEL CELLS WITH SUPERCAPACITORS

#37
20220190365
2022-06-16

System and method for controlling cold start of fuel cell

#38
20220158214
2022-05-19

Redox flow battery systems and methods utilizing a temporal energy profile

#39
20220158213
2022-05-19

Redox flow battery systems and methods utilizing primary and secondary redox flow battery arrangements

#40
20220158211
2022-05-19

Fe-Cr redox flow battery systems and methods for preparation of chromium-containing electrolyte therefor

#41
20220158207
2022-05-19

Fe-Cr redox flow battery systems and methods utilizing chromium complexes with nitrogen-containing ligands

#42
20220149417
2022-05-12

Flow battery cleansing cycle to maintain electrolyte health and system performance

#43
20220074996
2022-03-10

Apparatus for electricity measurement of flow battery and method thereof

#44
20210376348
2021-12-02

Fuel cell system and control method for fuel cell system

#45
20210367255
2021-11-25

Air supply system for fuel cell and method of controlling same

#46
20210367254
2021-11-25

Flow battery control method, flow battery control system and flow battery

#47
20210273251
2021-09-02

Readily-deployable microbial fuel cell

#48
20210170909
2021-06-10

Apparatus for controlling fuel cell of environment-friendly vehicle, system including the same, and method thereof

#49
20210151782
2021-05-20

Redox flow battery system

#50
20210135261
2021-05-06

Fuel cell system

#51
20210078438
2021-03-18

Information processing system

#52
20210075039
2021-03-11

System and method for determining state of charge for an electric energy storage device

#53
20200400614
2020-12-24

In operando, non-invasive state-of-charge monitoring for redox flow batteries

#54
20200381756
2020-12-03

Fuel cell recovery control system and method

#55
20200295391
2020-09-17

Energy management method, energy management apparatus, and energy management system

#56
20200185744
2020-06-11

Fuel cell system and vehicle

#57
20200168929
2020-05-28

Power supply system and control method thereof

#58
20200144641
2020-05-07

System and method for determining state of charge for an electric energy storage device

#59
20190334187
2019-10-31

METHOD AND SYSTEM FOR CONTROLLING AIR SUPPLY TO FUEL CELL

#60
20190305348
2019-10-03

Method, Device and System for Controlling Fuel Cell and Rail Vehicle

#61
20190305345
2019-10-03

Method and system for monitoring state of charge (SOC) of flow battery system

#62
20190237786
2019-08-01

Method and motor vehicle for supplying at least one fuel cell with fuel

#63
20190190047
2019-06-20

Power management method, power management server, local control apparatus, and power management system

#64
20190190046
2019-06-20

Fuel cell system and control method of fuel cell system

#65
20190173107
2019-06-06

Fuel cell system and control method for fuel cell system

#66
20190131639
2019-05-02

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

#67
20190123369
2019-04-25

Flow battery control method, flow battery control system and flow battery

#68
20190115609
2019-04-18

Alkaline hybrid redox flow battery with high energy density

#69
20190088961
2019-03-21

Fuel cell system and method of controlling fuel cell system

#70
20190081339
2019-03-14

Fuel cell system and control method thereof

#71
20190074526
2019-03-07

Fuel cell system and control device therefor, and control method for fuel cell system

#72
20190036133
2019-01-31

Method for determining a content of a gas component in a gas mixture conveyed in a recirculating manner via a fuel cell

#73
20180323456
2018-11-08

Electrochemical cell and method of operation

#74
20180316037
2018-11-01

Flow battery cleansing cycle to maintain electrolyte health and system performance

#75
20180313901
2018-11-01

Estimation of state-of-charge for zinc-bromine flow batteries by in situ OCV analysis

#76
20180191010
2018-07-05

PROTECTION CIRCUIT FOR A FUEL CELL AND METHOD OF USE

#77
20180083298
2018-03-22

Output performance diagnosis apparatus for fuel cell, output performance diagnosis system for fuel cell, output performance diagnosis method for fuel cell, and non-transitory computer readable medium storing output performance diagnosis program for fuel cell

#78
20170346117
2017-11-30

Fuel cell system and method of shutting down the same

#79
20170346114
2017-11-30

Method and apparatus for controlling pump speed of redox flow battery

#80
20170237091
2017-08-17

Method and system for monitoring state of charge (SOC) of flow battery system, flow battery based on redundancy design of SOC detection device, method and device for determining actual capacity of flow battery, and method and system for estimating input-output characteristic of alternating-current side of flow battery

#81
20170207470
2017-07-20

Electrochemical cell and method of operation

#82
20170149077
2017-05-25

Fuel cell system and control method for fuel cell system

#83
20160211536
2016-07-21

System and method for controlling fuel cell of vehicle

#84
20160141689
2016-05-19

Fuel cell system and fuel cell control method

#85
20160141681
2016-05-19

Fuel cell system, fuel cell vehicle, and method for controlling fuel cell system

#86
20160133969
2016-05-12

Fuel cell system and power generation monitoring method

#87
20160126574
2016-05-05

Fuel cell system and maximum power calculation method

#88
20150357659
2015-12-10

Fuel cell system and fuel cell powered vehicle

#89
20150288015
2015-10-08

Module level redundancy for fuel cell systems

#90
20150270564
2015-09-24

FUEL CELL SYSTEM, DRYING STATE ESTIMATION METHOD, AND FUEL CELL SYSTEM CONTROL METHOD

#91
20150207159
2015-07-23

Fuel cell system and control method thereof

#92
20150180068
2015-06-25

Method and apparatus for controlling operation of redox flow battery

#93
20150147670
2015-05-28

SOLID OXIDE FUEL CELL SYSTEM

#94
20150125773
2015-05-07

Electronic apparatus, control method and program thereof, and battery for operating electronic apparatus

#95
20150125772
2015-05-07

FUEL CELL SYSTEM

#96
20150037700
2015-02-05

FUEL CELL SYSTEM AND CONTROL METHOD OF FUEL CELL SYSTEM

#97
20140349201
2014-11-27

Fuel cell assembly and method of control

#98
20140120436
2014-05-01

Fuel cell humidification management method and system

#99
20140017584
2014-01-16

Module level redundancy for fuel cell systems

#100
20130260270
2013-10-03

Power generation via combined fuel thermolysis and hydrolysis

#101
20130093456
2013-04-18

Testing device for solid oxide fuel cell

#102
20120288776
2012-11-15

Fuel cell system and control method for fuel cell system

#103
20120118878
2012-05-17

Induction heating device for fuel cell system

#104
20120007544
2012-01-12

System of a plurality of series-connected fuel cell converter devices and method for controlling the system

#105
20110269039
2011-11-03

Apparatus and method for controlling variable power conditions in a fuel cell

#106
20110129748
2011-06-02

OPERATIONAL METHOD OF FUEL CELL

#107
20110097636
2011-04-28

Disconnecting Procedure For Fuel Cell Systems

#108
20100264930
2010-10-21

Fuel cell system

#109
20090305087
2009-12-10

Method and apparatus for controlling a fuel cell system having a variable number of parallel-connected modules

#110
20090130508
2009-05-21

Fuel cell system

#111
20090047556
2009-02-19

FUEL CELL SYSTEM

#112
20090023022
2009-01-22

Electronic apparatus, control method and program thereof, and battery for operating electronic apparatus

#113
20090004515
2009-01-01

Fuel cell and method of operating fuel cell

#114
20080102326
2008-05-01

Fuel cell start optimization

#115
20070227900
2007-10-04

PERFORMANCE ENHANCEMENT VIA WATER MANAGEMENT IN ELECTROCHEMICAL CELLS

#116
20070114850
2007-05-24

Power system and method for supplying electrical power to a load

#117
20060057447
2006-03-16

Fuel cell system

#118
19046499
2025-08-05

Methods and systems for optimizing lifetime of fuel cell system based on adjustment and constraint of thermoelectric ratio