ClassID:

213490

H01M8/045 - 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; Humidity; Ambient humidity; Water content of anode reactants at the inlet or inside the fuel cell

Recent Application in this class:
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FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME

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20250309307
2025-10-02

REGENERATIVE FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME

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2025-08-07

Methods, Devices, Controllers, and Media for Determining Fuel Cell Anode Water Condition

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20250201875
2025-06-19

FUEL CELL WATER RECOVERY SYSTEM

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20250105317
2025-03-27

FUEL CELL SYSTEM AND METHOD OF OPERATING THEREOF USING HUMIDIFIED AMMONIA FUEL

#6
20250030015
2025-01-23

DETERMINATION METHOD AND FUEL CELL SYSTEM

#7
20240322203
2024-09-26

METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE

#8
20240030469
2024-01-25

ANODE POISON REDUCTION SYSTEM AND METHOD FOR FUEL CELL VEHICLE

#9
20230420708
2023-12-28

VESSEL FOR A FUEL CELL, A FUEL CELL SYSTEM, AND A METHOD FOR MAINTAINING A NON-EXPLOSIVE ATMOSPHERE IN A VESSEL FOR A FUEL CELL

#10
20230290970
2023-09-14

FUEL CELL SYSTEM

#11
20230268532
2023-08-24

A Hydrogen Generation Electricity System for Producing Electricity from Hydrogen Using a Hydrogen Carrier Substance and a Method for Operating the Hydrogen Generation Electricity System

#12
20230084837
2023-03-16

SYSTEMS AND METHODS TO MEASURE OR CONTROL FUEL CELL STACK EXCESS HYDROGEN FLOW USING HUMIDITY

#13
20220278344
2022-09-01

Fuel cell system and method for adjusting a fuel cell system

#14
20220102744
2022-03-31

Fuel cell system

#15
20220102743
2022-03-31

Electrochemical cell system

#16
20210293751
2021-09-23

Water detecting device and method of water detection

#17
20200403249
2020-12-24

Locally engineered PEM cells components with optimized operation for improved durability

#18
20200176796
2020-06-04

Methods and systems for controlling water imbalance in an electrochemical cell

#19
20190260042
2019-08-22

Fuel cell system and control method thereof

#20
20190237784
2019-08-01

Anode bleed control in a fuel cell stack

#21
20190173107
2019-06-06

Fuel cell system and control method for fuel cell system

#22
20190137571
2019-05-09

Fuel cell stack prediction utilizing IHOS

#23
20190131634
2019-05-02

Reversible individual unit for electrolysis or co-electrolysis of water (SOEC) or for fuel cell (SOFC) with operation under pressure and decoupled compressive force

#24
20190020047
2019-01-17

Fuel cell system and control method for controlling moisture content of fuel

#25
20190006688
2019-01-03

Hydrogen supply method for fuel cell system

#26
20180375119
2018-12-27

Inspection method for fuel cell stack

#27
20180323442
2018-11-08

Preparation of advanced CCMs for AMFCs by amination and cross-linking of the precursor form of the ionomer

#28
20180301724
2018-10-18

Fuel cell system and control method therefor

#29
20180294491
2018-10-11

Fuel cell vehicle

#30
20180196108
2018-07-12

Method and device for observing a state of a fuel-cell electrochemical system

#31
20180175420
2018-06-21

Heat exchange device for cooling water of fuel cell and fuel cell system comprising the same

#32
20180034078
2018-02-01

Method of controlling fuel cell system by comparing pressures in fuel gas path

#33
20180006318
2018-01-04

Fuel cell system

#34
20170346106
2017-11-30

Device intended to generate electricity from a planar fuel cell cooled by air flow

#35
20170324101
2017-11-09

PROACTIVE ANODE FLOODING REMEDIATION

#36
20170250419
2017-08-31

Fuel cell system and control method of same

#37
20170179503
2017-06-22

Fuel cell system, operating method thereof and fuel cell power plant

#38
20170092972
2017-03-30

Relative humidity estimators for fuel cell stack ports

#39
20160240875
2016-08-18

Anode bleed control in a fuel cell stack

#40
20160036075
2016-02-04

Device for adjusting hollow fiber membrane density for humidification device of fuel cell

#41
20150340716
2015-11-26

Fuel cell system and control method for same

#42
20150280255
2015-10-01

FUEL CELL SYSTEM AND WATER CONTENT CONTROL METHOD OF FUEL CELL

#43
20150255806
2015-09-10

Current collector for a fuel cell

#44
20150188163
2015-07-02

Condensed water removing method and apparatus of gas diffiusion layer and catalyst layer of fuel cell and apparatus

#45
20150140464
2015-05-21

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

#46
20150125767
2015-05-07

Fuel cell system and control method for the same

#47
20140272663
2014-09-18

Preparation of advanced CCMs for AMFCs by amination and cross-linking of the precursor form of the ionomer

#48
20140162155
2014-06-12

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

#49
20140093803
2014-04-03

Fuel cell system

#50
20140080025
2014-03-20

Fuel cell system

#51
20140080018
2014-03-20

Fuel cell system and method of controlling the fuel cell system

#52
20130295475
2013-11-07

System and method for controlling fuel cell module

#53
20130157161
2013-06-20

Fuel cell system and control method for fuel cell system

#54
20130078542
2013-03-28

Fuel cell system

#55
20120288776
2012-11-15

Fuel cell system and control method for fuel cell system

#56
20120251914
2012-10-04

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

#57
20120237843
2012-09-20

Electrochemical reactor, such as a fuel cell or an electrolyser, provided with a device for measuring a parameter of a gas specific to the operation of said reactor

#58
20120196201
2012-08-02

Method for the early detection of liquid water formation in a fuel cell

#59
20120189925
2012-07-26

Fuel cell system and method of operating fuel cell system

#60
20120171590
2012-07-05

CONTROL DEVICE AND CONTROL METHOD FOR FUEL CELL SYSTEM

#61
20110274993
2011-11-10

Fuel cell system

#62
20110274992
2011-11-10

Water content estimation apparatus for fuel cell and fuel cell system

#63
20110250519
2011-10-13

Fuel cell system

#64
20110217611
2011-09-08

Fuel cell system

#65
20110200896
2011-08-18

Fuel cell system and operating method of a fuel cell

#66
20110045365
2011-02-24

Method for removing residual water from fuel cell

#67
20110033764
2011-02-10

Fuel cell system with wetness sensor

#68
20100273082
2010-10-28

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

#69
20100221620
2010-09-02

FUEL CELL SYSTEM AND OPERATION METHOD THEREOF

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20100151340
2010-06-17

FUEL CELL IN-PLANE STATE ESTIMATING SYSTEM AND FUEL CELL IN-PLANE STATE ESTIMATING METHOD

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20100141262
2010-06-10

Performance degradation analyzer and method of the same

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20100104908
2010-04-29

Fuel cell system and operating method thereof

#73
20100055511
2010-03-04

Fuel cell system

#74
20100055508
2010-03-04

FUEL CELL SYSTEMS WITH WATER RECOVERY FROM FUEL CELL EFFLUENT

#75
20100040913
2010-02-18

Apparatus and method for determining deterioration of a fuel cell and method for preventing deterioration of the same

#76
20100021778
2010-01-28

FUEL CELL EMERGENCY POWER SYSTEM

#77
20090280360
2009-11-12

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

#78
20090263695
2009-10-22

APPARATUS FOR GENERATING HYDROGEN AND FUEL CELL POWER GENERATION SYSTEM HAVING THE SAME

#79
20090214909
2009-08-27

Fuel cell with anode exhaust recirculation means

#80
20090202877
2009-08-13

Concentration distribution estimation device for impurity in anode side, and fuel cell system using the device

#81
20090155651
2009-06-18

Fuel cell system and generation control device

#82
20090110968
2009-04-30

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

#83
20090029213
2009-01-29

Method for detecting abnormality in fuel cell

#84
20090029210
2009-01-29

Low-Temperature Fuel-Cell Stack and Method of Operating Same

#85
20080311438
2008-12-18

Fuel cell humidity control system and method

#86
20080303532
2008-12-11

COMBUSTIBLE-GAS SENSOR, FUEL CELL SYSTEM, ABNORMALITY DETECTING METHOD, AND FUEL CELL SYSTEM CONTROL METHOD

#87
20080278183
2008-11-13

FUEL CELL TEST SYSTEM

#88
20080187800
2008-08-07

WATER RECYCLING SYSTEM FOR FUEL CELL

#89
20080176117
2008-07-24

Fuel Cell System and Fuel Cell System Control Method

#90
20080118783
2008-05-22

Fiber optic based in-situ diagnostics for PEM fuel cells

#91
20070141414
2007-06-21

Fuel cell having micro sensors

#92
20070141410
2007-06-21

Direct oxidation fuel cell system

#93
20070134527
2007-06-14

Hydration sensor apparatus for measuring membrane hydration in a fuel cell stack

#94
20070072022
2007-03-29

FUEL CELL SYSTEM AND TRANSPORT EQUIPMENT INCLUDING THE SAME

#95
20070026276
2007-02-01

Fuel cell system and control method of fuel cell system

#96
20060269825
2006-11-30

Fuel cell system comprising vapor-phase fuel supplying system

#97
20060159968
2006-07-20

Fuel cell apparatus and method for feeding a fuel for fuel cell

#98
20060134480
2006-06-22

A SENSOR ASSEMBLY FOR MEASURING HUMIDITY, PRESSURE AND TEMPERATURE

#99
20060115696
2006-06-01

Hydrogen gas humidity control apparatus, fuel cell, hydrogen gas humidity controlling method, and humidity control method for fuel cell

#100
20060093881
2006-05-04

Fuel-cell evaluation equipment

#101
20050077364
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Temperature/humidity control system for a fuel cell stack and a method thereof

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20050075816
2005-04-07

System and method for controlling a fuel cell testing device

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Methods and systems for controlling water imbalance in an electrochemical cell