ClassID:

213665

H01M8/2455 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Grouping of fuel cells, e.g. stacking of fuel cells with liquid, solid or electrolyte-charged reactants

Sub-classes:
Recent Application in this class:
#1
20260121097
2026-04-30

THIANTHRENE-CONTAINING REDOX MOLECULES FOR SUPERIOR CELL VOLTAGES

#2
20260081187
2026-03-19

ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, STACK, AND ELECTROLYZER

#3
20250357514
2025-11-20

UNIFORM DISTRIBUTION OF SHUNT CURRENTS IN FLOW BATTERY

#4
20250023081
2025-01-16

BIPOLAR ELECTRODIALYSIS BASED FLOW BATTERY SYSTEM

#5
20250015331
2025-01-09

ION EXCHANGE LIQUID FILM FLOW BATTERY

#6
20240421335
2024-12-19

INTEGRATED HYDROGEN RECYCLE SYSTEM USING PRESSURIZED MULTICHAMBER TANK

#7
20240421333
2024-12-19

INSULATING DATUM INSERT

#8
20240405243
2024-12-05

REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING REDOX FLOW BATTERY SYSTEM

#9
20240274853
2024-08-15

INTEGRATED ELECTROLYTE REBALANCING WITH FLOW BATTERY POWER MODULES

#10
20240247383
2024-07-25

Series of Cells for Use in an Electrochemical Device

#11
20240234753
2024-07-11

Vacuum Battery Structural Assembly and Vacuum Multi-Cell Battery Module

#12
20240136546
2024-04-25

Vacuum Battery Structural Assembly and Vacuum Multi-Cell Battery Module

#13
20240047710
2024-02-08

MODULAR FLOW FRAME FOR AN ELECTROCHEMICAL CELL, FLOW FRAME ELECTRODE UNIT, CELL, CELL STACK, AND METHOD FOR PRODUCING A FLOW FRAME

#14
20240030478
2024-01-25

METHOD AND SYSTEM FOR CONTROLLING OPERATION OF FUEL CELL

#15
20240030471
2024-01-25

METHODS AND SYSTEMS FOR REBALANCING ELECTROLYTES FOR A REDOX FLOW BATTERY SYSTEM

#16
20230296551
2023-09-21

METHOD FOR DETECTING AND QUANTIFYING ANALYTES IN A MICROFLUIDIC DEVICE

#17
20230282862
2023-09-07

REDOX FLOW BATTERY AND BATTERY SYSTEM

#18
20230275245
2023-08-31

Thermal management of fuel cell units and systems

#19
20230197993
2023-06-22

ION CONDUCTING LAYER FOR FUEL CELLS SUPPRESSING CROSSOVER PHENOMENON AND FUEL CELL COMPRISING THE SAME

#20
20230123027
2023-04-20

Electrode assembly and flow battery with improved electrolyte distribution

#21
20230098453
2023-03-30

REVERSE ELECTRODIALYSIS DEVICE USING PRECIPITATION REACTION, AND DRUG INJECTION DEVICE USING SAME

#22
20230084178
2023-03-16

METHODS AND SYSTEMS FOR IMPROVING THE EFFICIENCIES OF POWER AND OTHER INDUSTRIAL PROCESS PLANTS

#23
20220285709
2022-09-08

Redox flow battery arrays and methods for state of charge balancing

#24
20220123344
2022-04-21

Integrated hydrogen recycle system using pressurized multichamber tank

#25
20220102740
2022-03-31

ELECTRODE STRUCTURE INCLUDING ELECTRODE FIBER HAVING HIGHER DENSITY OF VERTICAL TOWS TO PARALLEL TOWS, FLOW BATTERY STACK INCLUDING THE SAME, AND SEALING STRUCTURE INCLUDING SEALING GASKETS CONNECTED BY SEALING WIRE

#26
20220085393
2022-03-17

Thermal management of fuel cell units and systems

#27
20220052363
2022-02-17

METHODS AND SYSTEM FOR A BATTERY

#28
20220042183
2022-02-10

Series of cells for use in an electrochemical device

#29
20220013799
2022-01-13

Cell, cell stack device, module, and module housing device

#30
20210359328
2021-11-18

Redox flow battery and battery system

#31
20210359327
2021-11-18

REDOX FLOW BATTERY AND BATTERY SYSTEM

#32
20210330965
2021-10-28

Reverse electrodialysis device using precipitation reaction, and drug injection device using same

#33
20210328241
2021-10-21

Redox flow battery with electrolyte balancing and compatibility enabling features

#34
20210313588
2021-10-07

Electrode structure including electrode fiber having higher density of vertical tows to parallel tows, flow battery stack including the same, and sealing structure including sealing gaskets connected by sealing wire

#35
20210257644
2021-08-19

Cell for flow battery

#36
20210226239
2021-07-22

Flow battery

#37
20200365927
2020-11-19

REDOX FLOW BATTERY

#38
20200335811
2020-10-22

Method and system for controlling operation of fuel cell

#39
20200313219
2020-10-01

Electrode assembly and flow battery with improved electrolyte distribution

#40
20200075984
2020-03-05

Stack of redox-flow electrochemical cells with decreased shunt

#41
20200044267
2020-02-06

Redox flow battery with electrolyte balancing and compatibility enabling features

#42
20190348731
2019-11-14

Methods, devices and systems for providing power to a linear amplifier

#43
20190237793
2019-08-01

REDOX FLOW BATTERY

#44
20190237791
2019-08-01

Redox flow battery cell, redox flow battery cell stack, and redox flow battery

#45
20190181460
2019-06-13

System including a fuel cell having a protons exchanging membrane limiting fuel leakage

#46
20190115609
2019-04-18

Alkaline hybrid redox flow battery with high energy density

#47
20190109334
2019-04-11

CELL PLATES FOR REDOX FLOW BATTERIES

#48
20190097251
2019-03-28

REDOX FLOW BATTERY TRANSPORT STRUCTURE, REDOX FLOW BATTERY TRANSPORT METHOD, AND REDOX FLOW BATTERY

#49
20180358633
2018-12-13

Cell frame, cell stack, and redox flow battery

#50
20180358632
2018-12-13

Frame body, cell frame, cell stack, and redox flow battery

#51
20180342752
2018-11-29

Cell for flow battery

#52
20180327917
2018-11-15

Electrochemical cell and method of using same

#53
20180316035
2018-11-01

Integrated hydrogen recycle system using pressurized multichamber tank

#54
20180316033
2018-11-01

Methods and systems for rebalancing electrolytes for a redox flow battery system

#55
20180316031
2018-11-01

Methods and system for a battery

#56
20180269511
2018-09-20

MICROBIAL FUEL CELL AND MICROBIAL FUEL CELL SYSTEM

#57
20180248217
2018-08-30

CELL FRAME, CELL STACK, AND REDOX FLOW BATTERY

#58
20180241066
2018-08-23

Self-maintained flow cell device

#59
20180241064
2018-08-23

Self-maintained flow cell device

#60
20180198151
2018-07-12

Method for operating of a regenerative bipolar membrane fuel cell, and regenerative bipolar membrane fuel cell there for

#61
20180198148
2018-07-12

Low temperature solid oxide cells

#62
20180108930
2018-04-19

Redox flow battery frame body, redox flow battery, and cell stack

#63
20170334379
2017-11-23

Molten metal anode solid oxide fuel cell for transportation-related auxiliary power units

#64
20170294662
2017-10-12

Electrochemical cells having designed flow fields and methods for producing the same

#65
20170187054
2017-06-29

Flowing electrolyte fuel cell with improved performance and stability

#66
20170062852
2017-03-02

Thermal management of fuel cell units and systems

#67
20160329592
2016-11-10

Redox flow battery or fuel battery comprising storing and collecting means for preventing leakage of reactant

#68
20160226090
2016-08-04

Solid polymer power generation or electrolysis method and system

#69
20160201207
2016-07-14

Apparatus and method for feeding a multi-phase mixture of reactants to an electrochemical reactor

#70
20160190615
2016-06-30

Fuel Cell System, Motor Vehicle Containing a Fuel Cell System, and Method for Operating a Fuel Cell System

#71
20160149249
2016-05-26

Low temperature solid oxide cells

#72
20160111737
2016-04-21

Fuel cell system and fuel cell system module

#73
20160028098
2016-01-28

Passive formic acid fuel cell

#74
20150349350
2015-12-03

Microbial fuel cell and methods of use

#75
20150099206
2015-04-09

Redox Flow Battery System for Distributed Energy Storage

#76
20150044598
2015-02-12

Liquid drum type fuel cell-metal recovery apparatus

#77
20150010845
2015-01-08

Liquid fuel battery

#78
20140287335
2014-09-25

Systems and methods for shunt current and mechanical loss mitigation in electrochemical systems

#79
20140287330
2014-09-25

POLYOXOMETALATE FLOW-CELL POWER SYSTEM

#80
20140255815
2014-09-11

Cell frame, cell stack, and redox flow battery

#81
20140234747
2014-08-21

Fuel cell stack

#82
20140038066
2014-02-06

Paper-based fuel cell

#83
20130309540
2013-11-21

Battery sealing structure, electrolyte circulation type battery cell frame, electrolyte circulation type battery cell stack, and electrolyte circulation type battery

#84
20130130130
2013-05-23

Fuel leakage preventing structure and biofuel cell

#85
20130034793
2013-02-07

Fuel battery

#86
20130011748
2013-01-10

POWER SUPPLY DEVICE AND ELECTRONIC APPARATUS

#87
20130011704
2013-01-10

Redox Flow Battery System with Multiple Independent Stacks

#88
20120270133
2012-10-25

Fuel cell stack

#89
20120208104
2012-08-16

FUEL CELL

#90
20120148931
2012-06-14

Self-pumping membraneless fuel cell

#91
20120070766
2012-03-22

LAMINAR FLOW FUEL CELL INCORPORATING CONCENTRATED LIQUID OXIDANT

#92
20120040257
2012-02-16

Fuel Container For Fuel Cell, Fuel Cell Using The Same, And Operation Method Of Fuel Cell

#93
20120034543
2012-02-09

FUEL CELL SEPARATOR, AND FUEL CELL STACK AND FUEL CELL SYSTEM USING SAME

#94
20120034541
2012-02-09

Fuel cell stack and electronic device provided with the same

#95
20120028161
2012-02-02

FUEL CELL

#96
20110311896
2011-12-22

Integrated system for electrochemical energy storage system

#97
20110300429
2011-12-08

Automotive ballast battery

#98
20110282807
2011-11-17

System and method for transporting energy

#99
20110136029
2011-06-09

FUEL CELL AND TEMPERATURE MEASUREMENT METHOD

#100
20110123902
2011-05-26

Permselective Membrane-Free Direct Fuel Cell and Components Thereof

#101
20110117411
2011-05-19

Redox Flow Battery System for Distributed Energy Storage

#102
20110086278
2011-04-14

Electrochemical cell with spacers for flow management system

#103
20110045363
2011-02-24

PROCESS AND EQUIPMENT TO SIGNIFICANTLY REDUCE CO2 EMISSIONS FROM DIRECT CARBON FUEL CELLS WITHOUT MATERIALLY INCREASING THE COST OF GENERATING ELECTRICITY

#104
20110045332
2011-02-24

Redox flow battery system for distributed energy storage

#105
20110039181
2011-02-17

Electrochemical cell, and particularly a metal fueled cell with non-parallel flow

#106
20110020714
2011-01-27

Fuel cell and electronic device

#107
20110014527
2011-01-20

POLYOXOMETALATE FLOW-CELL POWER SYSTEM

#108
20110008691
2011-01-13

Dynamically controllable direct oxidation fuel cell systems and methods therefor

#109
20100323255
2010-12-23

FUEL CELL SYSTEM SUITABLE FOR COMPLEX FUELS AND A METHOD OF OPERATION OF THE SAME

#110
20100173218
2010-07-08

Fuel cell stack and fuel cell using the same

#111
20100167157
2010-07-01

FUEL CELL COUPLER AND FUEL CELL USING THE SAME

#112
20100159295
2010-06-24

ON-LINE REPLACEMENT OF DCFC TUBULAR ELEMENTS

#113
20100122461
2010-05-20

COMPACT SPRING LOADED FUEL CELL MONOPOLAR STACK

#114
20100119883
2010-05-13

Fuel cell with transport flow across gap

#115
20100092820
2010-04-15

FUEL CELL SYSTEM

#116
20100086826
2010-04-08

Fuel cell

#117
20100035110
2010-02-11

Planar configuration air breathing polymer electrolyte electrical device including support plate and bearing plate

#118
20100003545
2010-01-07

Redox flow battery system for distributed energy storage

#119
20090311564
2009-12-17

FUEL CELL, ELECTRONIC DEVICE, AND FUEL SUPPLY METHOD

#120
20090263700
2009-10-22

FUEL CELL ASSEMBLY

#121
20090263698
2009-10-22

FUEL CELL SYSTEM AND FUEL CELL

#122
20090246590
2009-10-01

FUEL CELL SYSTEM

#123
20090246579
2009-10-01

FUEL CELL SYSTEM AND FLOW CONTROL MECHANISM THEREOF

#124
20090202868
2009-08-13

FUEL CELL UNIT OF DMFC TYPE AND ITS OPERATION

#125
20090197151
2009-08-06

Method for operating redox flow battery and redox flow battery cell stack

#126
20090191441
2009-07-30

FUEL CELL

#127
20090169941
2009-07-02

Direct liquid fuel cell

#128
20090136796
2009-05-28

FUEL CELL SYSTEM AND METHOD OF ACTIVATING THE FUEL CELL

#129
20090117423
2009-05-07

Fuel cell stack for hydrogen fuel power generator

#130
20090092876
2009-04-09

FUEL CELL

#131
20090092865
2009-04-09

Fuel cell system

#132
20090075153
2009-03-19

Fuel cell system

#133
20090075136
2009-03-19

Fuel cell and method for operating the same

#134
20090042083
2009-02-12

Membraneless micro fuel cell

#135
20090023036
2009-01-22

Liquid-liquid fuel cell systems having flow-through anodes and flow-by cathodes

#136
20080318111
2008-12-25

FUEL CELL

#137
20080280184
2008-11-13

FUEL CELL, METHOD FOR MANUFACTURING FUEL CELL, AND ELECTRONIC APPARATUS

#138
20080280183
2008-11-13

End plate for fuel cell stack and air breathing fuel cell stack using the same

#139
20080241618
2008-10-02

FUEL CELL

#140
20080241617
2008-10-02

FUEL CELL

#141
20080233458
2008-09-25

Fuel cell system

#142
20080199741
2008-08-21

FUEL CELL STACK AND FUEL CELL SYSTEM

#143
20080145742
2008-06-19

FUEL CELL UNIT

#144
20080124607
2008-05-29

Powdered fuel cell

#145
20080107955
2008-05-08

Direct type fuel cell power generator

#146
20080070075
2008-03-20

FUEL CELL SYSTEM

#147
20080057381
2008-03-06

Dissolved-fuel direct alcohol fuel cell

#148
20080044713
2008-02-21

Fuel cell stack

#149
20080032885
2008-02-07

Electrocatalyst for ethanol oxidation and direct ethanol fuel cell using the same

#150
20080014495
2008-01-17

Membrane Electrode Assembly, Method of Manufacturing the Same, Fuel Battery, and Electronic Device

#151
20080003468
2008-01-03

Fuel cell system and method of activating the fuel cell

#152
20070298305
2007-12-27

Electrochemical Cell

#153
20070269688
2007-11-22

Liquid anode electrochemical cell

#154
20070269686
2007-11-22

Monopolar membrane-electrode assembly

#155
20070264558
2007-11-15

FLOW BOARD WITH CAPILLARY FLOW STRUCTURE FOR FUEL CELL

#156
20070224484
2007-09-27

Fuel cell and equipment with the same

#157
20070218338
2007-09-20

Fuel cell

#158
20070207370
2007-09-06

Stack for mixed reactant fuel cell and mixed reactant fuel cell system including the same

#159
20070202385
2007-08-30

Fuel cell stack

#160
20070190396
2007-08-16

Membrane-electrode assembly for mixed reactant fuel cell and mixed reactant fuel cell system including same

#161
20070184329
2007-08-09

Liquid feed fuel cell with orientation-independent fuel delivery capability

#162
20070166597
2007-07-19

Fuel cell having unit cells arranged to merge gases generated in the unit cells

#163
20070166578
2007-07-19

Electric Power Generation System Incorporating A Liquid Feed Fuel Cell

#164
20070154768
2007-07-05

Fuel cartridge for fuel cell and fuel cell using the same

#165
20070154761
2007-07-05

Flat type fuel cell assembly having connector

#166
20070128492
2007-06-07

Fuel cell and fuel reservoir for fuel cell

#167
20070120522
2007-05-31

High power density, ultra-light power generator

#168
20070099062
2007-05-03

Fuel cell system suitable for complex fuels and a method of operation of the same

#169
20070099048
2007-05-03

Fuel cell

#170
20070087253
2007-04-19

Method of manufacturing a fuel cell array and a related array

#171
20070077469
2007-04-05

Direct oxidation fuel cell systems with regulated fuel cell stack and liquid-gas separator temperatures

#172
20070077466
2007-04-05

Dynamically controllable direct oxidation fuel cell systems and methods therefor

#173
20070072044
2007-03-29

FLUID MANAGEMENT COMPONENT FOR USE IN FUEL CELL

#174
20070072038
2007-03-29

Fuel cartridge

#175
20070072037
2007-03-29

Fuel cell

#176
20070020497
2007-01-25

Direct fuel cell system

#177
20070015032
2007-01-18

Method and apparatus for water management of a fuel cell system

#178
20060292435
2006-12-28

Method for manufacturing a flat panel direct methanol fuel cell

#179
20060286436
2006-12-21

Planar fuel cell stack and method of fabrication of the same

#180
20060246339
2006-11-02

Fuel cell unit and electronic apparatus

#181
20060229459
2006-10-12

CRYSTALLINE BASE OF CITALOPRAM

#182
20060222923
2006-10-05

Direct methanol fuel cell system

#183
20060216574
2006-09-28

Fuel battery

#184
20060216568
2006-09-28

Fuel cell unit, fuel cell unit assembly and electronic equipment

#185
20060204822
2006-09-14

Start control device applied to fuel cell system and its control methods available

#186
20060204811
2006-09-14

Adaptor type fuel cell and assembly structure thereof

#187
20060204810
2006-09-14

Organic fuel cell methods and apparatus

#188
20060177710
2006-08-10

Fuel cell

#189
20060177708
2006-08-10

Fuel cell power system and operating method thereof

#190
20060172159
2006-08-03

Method for regeneration of performance in a fuel cell

#191
20060147766
2006-07-06

Type of fuel cell battery

#192
20060141307
2006-06-29

Liquid fuel direct supply fuel cell system and its operation controlling method and controller

#193
20060141296
2006-06-29

Fuel cell with polymer-based fuel absorbing member

#194
20060127707
2006-06-15

Fuel cell with fuel adjusting film

#195
20060115706
2006-06-01

Polymer electrolyte fuel cell and separator for polymer electrolyte fuel cell

#196
20060115705
2006-06-01

Bipolar plate and direct liquid feed fuel cell stack

#197
20060112538
2006-06-01

Layer lamination integrated direct methanol fuel cell and a method of fabricating the same

#198
20060105223
2006-05-18

Bipolar plate and direct liquid feed fuel cell stack

#199
20060105210
2006-05-18

Direct methanol feed fuel cell and system

#200
20060046133
2006-03-02

Direct methanol feed fuel cell and system

#201
20060040147
2006-02-23

Liquid circulation type fuel cell

#202
20060019141
2006-01-26

Fuel supply method for direct methanol fuel cell

#203
20060019132
2006-01-26

Liquid anode electrochemical cell

#204
20060019129
2006-01-26

Planar fuel cell assembly

#205
20050282060
2005-12-22

Fuel cell endplate system

#206
20050238938
2005-10-27

Membranes for fuel cells

#207
20050233186
2005-10-20

Liquid-fuel fuel cell, operation monitoring method for monitoring operation thereof, and operation monitoring device

#208
20050221159
2005-10-06

Liquid fuel cell

#209
20050172482
2005-08-11

Sheet-like chemical cell, fuel cell and methods for manufacturing thereof

#210
20050170224
2005-08-04

Controlled direct liquid injection vapor feed for a DMFC

#211
20050164075
2005-07-28

Method for operating redox flow battery and redox flow battery cell stack

#212
20050164061
2005-07-28

Fuel cell system

#213
20050164059
2005-07-28

Local vapor fuel cell

#214
20050118491
2005-06-02

High specific power, direct methanol fuel cell stack

#215
20050100773
2005-05-12

Liquid fuel cell with a planer electrolyte layer

#216
20050084736
2005-04-21

Fuel cells for use in portable devices

#217
20050084729
2005-04-21

Device for cleaning waste gases for a direct alcohol fuel cell or for a fuel cell stack constructed therefrom

#218
20050069757
2005-03-31

Fuel cell combination

#219
20050058858
2005-03-17

Fuel tank which supplys fuel to fuel cell

#220
20050048349
2005-03-03

Method of manufacturing a fuel cell array and a related array

#221
20050048346
2005-03-03

Modular connections in a DMFC array

#222
20050042487
2005-02-24

Direct methanol feed fuel cell and system

#223
20050037248
2005-02-17

Fuel cell and method for operating the same

#224
20050019635
2005-01-27

Method for making a fuel cell with large active surface and reduced volume

#225
20050014055
2005-01-20

System and method for fuel mixing in a fuel cell

#226
20050008932
2005-01-13

Fluid supply device for electrochemical cell

#227
20050008924
2005-01-13

Compact multi-functional modules for a direct methanol fuel cell system

#228
20050003256
2005-01-06

Carbon dioxide management in a direct methanol fuel cell system

#229
20050003254
2005-01-06

Direct methanol feed fuel cell and system

#230
20050003244
2005-01-06

Direct hydrocarbon fuel cell system