ClassID:

213242

H01M4/861 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Porous electrodes with a gradient in the porosity

Recent Application in this class:
#1
20260135122
2026-05-14

CARBON ELECTRODES WITH SPATIAL GRADIENTS IN POROSITY FOR HIGH-POWER REDOX FLOW BATTERIES

#2
20250279441
2025-09-04

PATTERNED CATALYST LAYERS IN FUEL CELLS

#3
20250112247
2025-04-03

NANOPOROUS POWDERS FOR FUEL CELL AND ELECTROLYZER APPLICATIONS

#4
20240301572
2024-09-12

BIPOLAR ELECTRODE ASSEMBLY AND METHOD

#5
20240291073
2024-08-29

MICRO-ARCHITECTED FLOW THROUGH ELECTRODES FOR ENERGY STORAGE

#6
20240243324
2024-07-18

Hydrogen fuel cell assembly

#7
20240243323
2024-07-18

Fuel cell for electricity generation

#8
20240243322
2024-07-18

Hydrogen/oxygen fuel cell method

#9
20240234776
2024-07-11

Fuel cell assembly with carbon diffusion layer

#10
20240234775
2024-07-11

Membrane electrode electrical generation method

#11
20240234774
2024-07-11

Fuel cell method for generating electricity

#12
20240178400
2024-05-30

CARBON NANOFOAMS WITH GRADED/GRADIENT PORE STRUCTURE

#13
20230395815
2023-12-07

Gas diffusion layer for proton exchange membrane fuel cell and preparation method thereof

#14
20230395812
2023-12-07

POROUS ASSEMBLIES AND RELATED METHODS OF FABRICATION AND USE

#15
20230307667
2023-09-28

Patterned catalyst layers in fuel cells

#16
20230299325
2023-09-21

Method for producing electricity from a hydrogen fuel cell

#17
20230275249
2023-08-31

Hydrogen membrane fuel cell with electrode assembly

#18
20230261210
2023-08-17

ADDITIVELY MANUFACTURED ELECTROLYSIS CELL

#19
20230203696
2023-06-29

Method for making ultralow platinum loading and high durability membrane electrode assembly for polymer electrolyte membrane fuel cells

#20
20230197994
2023-06-22

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#21
20230163320
2023-05-25

ELECTRODE FOR A FLOW BATTERY AND PRODUCTION METHOD

#22
20230142846
2023-05-11

FLOW CHANNELS FOR OPTIMAL OR IMPROVED DELIVERY OF FLUID TO POROUS ELECTROCHEMICAL / CHEMICAL MEDIA

#23
20230089402
2023-03-23

METHOD FOR PRODUCTION OF A FUEL CELL, DEVICE FOR PRODUCTION OF A MEMBRANE ELECTRODE ASSEMBLY FOR A FUEL CELL, FUEL CELL AND FUEL CELL STACK

#24
20230077350
2023-03-16

Methods of forming bilayer cathodes for electrochemical cells

#25
20230045638
2023-02-09

Gas diffusion layer, a preparation method therefor, a membrane electrode assembly and a fuel cell

#26
20220311016
2022-09-29

Catalyst layer and method for producing the same

#27
20220255165
2022-08-11

Micro-architected flow through electrodes for energy storage

#28
20220140353
2022-05-05

Battery electrode having network of interconnected high porosity regions and method of manufacturing the same

#29
20220029170
2022-01-27

Gas diffusion electrode base material and production method therefor, and solid polymer fuel cell

#30
20220021007
2022-01-20

Carbon substrate comprising carbon fibers unidirectionally aligned, and gas diffusion layer employing same

#31
20220006096
2022-01-06

FLUID-PERMEABLE ELECTRODES, FLUID-PERMEABLE ELECTROCHEMICAL CELLS AND INTEGRATED FLUID-PERMEABLE ANALYTICAL DEVICES, AND FLUID-PERMEABLE DEVICES FOR ELECTROCATALYTIC CONVERSION AND ELECTROSYNTHESIS, AND FOR FLUID DECONTAMINATION

#32
20210399315
2021-12-23

Patterned catalyst layers in fuel cells

#33
20210320301
2021-10-14

SOLID OXIDE FUEL CELL INTERCONNECT

#34
20210280932
2021-09-09

Metal air battery, method of manufacturing the same, apparatus including the metal air battery, and system and method of controlling the metal air battery

#35
20210218036
2021-07-15

Composite multilayered electrocatalysts for COreduction and associated methods

#36
20210098808
2021-04-01

Method for making a hydrogen fuel cell gas diffusion layer having tailored porosity

#37
20210066725
2021-03-04

Solid oxide fuel cell and manufacturing method of the same

#38
20200358106
2020-11-12

Fuel Cells Constructed From Self-Supporting Catalyst Layers and/or Self-Supporting Microporous Layers

#39
20200276401
2020-09-03

NASAL ADMINISTRATION

#40
20200274182
2020-08-27

Fuel cell and manufacturing method of the same

#41
20200176800
2020-06-04

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#42
20200176784
2020-06-04

Layered cathode for molten carbonate fuel cell

#43
20200152989
2020-05-14

CARBON NANOFOAMS WITH GRADED/GRADIENT PORE STRUCTURE

#44
20200112043
2020-04-09

POROUS SOLID OXIDE FUEL CELL ANODE WITH NANOPOROUS SURFACE AND PROCESS FOR FABRICATION

#45
20200106107
2020-04-02

Method for making ultralow platinum loading and high durability membrane electrode assembly for polymer electrolyte membrane fuel cells

#46
20200006782
2020-01-02

Gas diffusion layer

#47
20190242021
2019-08-08

Flow structures for use with an electrochemical cell

#48
20190221873
2019-07-18

Group of cells for power adaptation of electrochemical reactors

#49
20190214667
2019-07-11

Solid oxide fuel cell

#50
20190214651
2019-07-11

Gas diffusion electrode and fuel cell

#51
20190027761
2019-01-24

Gas diffusion electrode

#52
20190027760
2019-01-24

Membrane catalyst layer assembly production method and membrane catalyst layer assembly production device

#53
20180366744
2018-12-20

Fuel cell and method of manufacturing same

#54
20180301712
2018-10-18

Carbon sheet, gas diffusion electrode substrate, wound body, and fuel cell

#55
20180269509
2018-09-20

Porous solid oxide fuel cell anode with nanoporous surface and process for fabrication

#56
20180212251
2018-07-26

Cell stack device, module, and module housing device

#57
20180090770
2018-03-29

Positive electrode for metal-air battery and metal-air battery including the same

#58
20180053958
2018-02-22

Smart-MEAs for high power fuel cells

#59
20180040909
2018-02-08

Anode with high redox stability

#60
20180034063
2018-02-01

Anode with remarkable stability under conditions of extreme fuel starvation

#61
20170346123
2017-11-30

Flow batteries having an electrode with a density gradient and methods for production and use thereof

#62
20170288235
2017-10-05

High permeable porous substrate for a solid oxide fuel cell and the production method thereof

#63
20170200954
2017-07-13

FUEL CELLS CONSTRUCTED FROM SELF-SUPPORTING CATALYST LAYERS AND/OR SELF-SUPPORTING MICROPOROUS LAYERS

#64
20170098838
2017-04-06

Determination of a spatial distribution of the permeability of an electrochemical - cell electrode

#65
20160336601
2016-11-17

Fuel cell component having multiple pore sizes

#66
20160329586
2016-11-10

FUEL CELL STACK ASSEMBLY AND METHOD OF ASSEMBLY

#67
20160156054
2016-06-02

Membrane electrode assembly for a fuel cell, method for preparing the membrane electrode assembly, fuel cell system and vehicle

#68
20160126559
2016-05-05

High permeable porous substrate for a solid oxide fuel cell and the production method thereof

#69
20160122884
2016-05-05

Cell unit, cell stack device, cell unit device and module

#70
20160064788
2016-03-03

Air secondary battery

#71
20160064787
2016-03-03

Air secondary battery including cathode having trap portion

#72
20160064755
2016-03-03

Self-wetting membrane electrode unit and fuel cell having such a unit

#73
20160049677
2016-02-18

Gas diffusion electrode

#74
20160020475
2016-01-21

Mixed-reactant fuel cells with selective electrodes

#75
20150333335
2015-11-19

Flow battery having electrodes with a plurality of different pore sizes and or different layers

#76
20150147675
2015-05-28

LAMINATE BODY AND METHOD FOR MANUFACTURING SAME

#77
20150118594
2015-04-30

Membrane electrode assemblies

#78
20140308594
2014-10-16

Gradient porous electrode architectures for rechargeable metal-air batteries

#79
20140302423
2014-10-09

Flow battery with carbon paper

#80
20140272664
2014-09-18

Microporous layer for a fuel cell

#81
20140255801
2014-09-11

Electrode and energy store including an electrode

#82
20140255799
2014-09-11

Lithium-air battery cathodes and methods of making the same

#83
20140242495
2014-08-28

Anode with remarkable stability under conditions of extreme fuel starvation

#84
20140011118
2014-01-09

Carbon substrate for gas diffusion layer, gas diffusion layer using the same, and electrode for fuel cell, membrane-electrode assembly and fuel cell comprising the gas diffusion layer

#85
20130337366
2013-12-19

Flow structures for use with an electrochemical cell

#86
20130337360
2013-12-19

FUEL CELL COMPONENTS HAVING POROUS ELECTRODES

#87
20130295471
2013-11-07

Cathode architectures for alkali metal / oxygen batteries

#88
20130288151
2013-10-31

Fuel cell

#89
20130252132
2013-09-26

Noble metal catalyst layer, membrane electrode assembly, and method for producing noble metal catalyst layer

#90
20130171527
2013-07-04

Rechargeable, thin-film, all solid-state metal-air battery

#91
20130154147
2013-06-20

Solid oxide fuel cell articles and methods of forming

#92
20130025292
2013-01-31

REVERSIBLE SOLID OXIDE FUEL CELL STACK AND METHOD FOR PREPARING SAME

#93
20120258345
2012-10-11

Flow battery having electrodes with a plurality of different pore sizes and or different layers

#94
20120219880
2012-08-30

Fuel cells

#95
20120178014
2012-07-12

Reaction layer for fuel cell

#96
20120164552
2012-06-28

Solid oxide fuel cell including electrode containing dense bonding portions and porous non-bonding portions

#97
20120156587
2012-06-21

Fuel cell

#98
20120121999
2012-05-17

CELL OF A HIGH TEMPERATURE FUEL CELL WITH INTERNAL REFORMING OF HYDROCARBONS

#99
20120094210
2012-04-19

INK COMPRISING POLYMER PARTICLES, ELECTRODE, AND MEA

#100
20120003565
2012-01-05

Anode-supported solid oxide fuel cell comprising a nanoporous layer having a pore gradient structure, and a production method therefor

#101
20110312080
2011-12-22

POROUS FILMS BY A TEMPLATING CO-ASSEMBLY PROCESS

#102
20110287340
2011-11-24

Substrate made of porous metal or metal alloy, preparation method thereof, and HTE or SOFC cells with a metal support comprising this substrate

#103
20110262834
2011-10-27

Electrolyte mebrane formation method, membrane-electerode assembly, and membrane-electrode assembly manufacturing method

#104
20110177424
2011-07-21

Electrolyte-electrode joined assembly and method for producing the same

#105
20110159403
2011-06-30

Layered Catalyst Assembly and Electrode Assembly Employing the Same

#106
20110143254
2011-06-16

Fuel cell with layered electrode

#107
20110139610
2011-06-16

Thin film catalyst on porous media and electrochemical cell employing the same

#108
20110114087
2011-05-19

Nasal administration

#109
20110104586
2011-05-05

Integrated seal for high-temperature electrochemical device

#110
20110076593
2011-03-31

Direct oxidation fuel cell

#111
20110039183
2011-02-17

Internal reforming anode for solid oxide fuel cells

#112
20110014546
2011-01-20

Nanoporous Silicate Membranes for Portable Fuel

#113
20110014539
2011-01-20

SOLID OXIDE FUEL CELL

#114
20100104912
2010-04-29

Fuel cell and vehicle having fuel cell

#115
20100092829
2010-04-15

GAS ELECTRODE, METHOD FOR MAKING THE SAME AND USES THEREOF

#116
20100055532
2010-03-04

GAS DIFFUSION LAYER, FUEL CELL AND METHOD FOR FABRICATING FUEL CELL

#117
20100009241
2010-01-14

FUEL CELL AND PROCESS FOR PRODUCTION THEREOF; AND ELECTRONIC INSTRUMENT, MOBILE MACHINE, ELECTRIC POWER GENERATING SYSTEM, COGENERATION SYSTEM, AND ELECTRODE REACTION-BASED APPARATUS

#118
20100009229
2010-01-14

Direct oxidation fuel cell

#119
20090325022
2009-12-31

METHOD OF MANUFACTURING A MEMBRANE-ELECTROLYTE ASSEMBLY FOR FUEL CELLS, AND MEMBRANE-ELECTROLYTE ASSEMBLY

#120
20090311559
2009-12-17

Systems and methods for electrochemical power generation

#121
20090291202
2009-11-26

ELECTRODE SUBSTRATE FOR A FUEL CELL, A METHOD FOR PREPARING THE SAME, AND A MEMBRANE-ELECTRODE ASSEMBLY COMPRISING THE SAME

#122
20090280377
2009-11-12

Direct oxidation fuel cell

#123
20090242391
2009-10-01

Electrode for electrochemical cell operating with high differential pressure difference, procedure for the manufacturing of such electrode and electrochemical cell for the use of such electrode

#124
20090239125
2009-09-24

Sulfonated polymer composition for forming fuel cell electrodes

#125
20090214918
2009-08-27

ANODE OF DIRECT METHANOL FUEL CELL AND DIRECT METHANOL FUEL CELL EMPLOYING THE SAME

#126
20090137388
2009-05-28

Solid catalysts and fuel cell employing the solid catalysts

#127
20090130515
2009-05-21

Electrode for fuel cell, membrane-electrode assembly including same, and fuel cell system including same

#128
20090098434
2009-04-16

FUEL CELL AND METHOD FOR PRODUCING THE SAME

#129
20090075155
2009-03-19

Membrane electrode assembly for fuel cell, and fuel cell system including the same

#130
20090061287
2009-03-05

Horizontally graded structures for electrochemical and electronic devices

#131
20090035631
2009-02-05

ELECTROCHEMICAL CELL SUPPORT STRUCTURE

#132
20090029220
2009-01-29

Fuel cell

#133
20090029195
2009-01-29

THIN FILM AND COMPOSITE ELEMENT PRODUCED FROM THE SAME

#134
20080248361
2008-10-09

Reversible solid oxide fuel cell stack and method for preparing same

#135
20080206616
2008-08-28

CATALYST COATED MEMBRANES AND SPRAYABLE INKS AND PROCESSES FOR FORMING SAME

#136
20080182145
2008-07-31

Basic cell structure for fuel cell equipped with sealing means

#137
20080096080
2008-04-24

Anode with remarkable stability under conditions of extreme fuel starvation

#138
20070298310
2007-12-27

Fuel cell

#139
20070281187
2007-12-06

Membrane fuel cell countercurrent-fed with non-humidified air

#140
20070238007
2007-10-11

Solid electrolyte fuel cell including a first cathode layer and a second cathode layer

#141
20070202391
2007-08-30

POROUS CARBON ELECTRODE, IN PARTICULAR FOR A FUEL CELL, AND PROCESS FOR MANUFACTURE THREOF

#142
20070184336
2007-08-09

Membrane electrode assembly for fuel cell, method of preparing the same, and fuel cell using the membrane electrode assembly for fuel cell

#143
20070178366
2007-08-02

FUEL CELL COMPONENTS HAVING POROUS ELECTRODES

#144
20070172718
2007-07-26

Structure of cathode electrode for fuel cell

#145
20070166604
2007-07-19

Solid electrolyte fuel cell with a multi-layer cathode formed of a solid electrolyte and electrode admixture

#146
20070148522
2007-06-28

Solid oxide fuel cell with sealed structure

#147
20070122684
2007-05-31

Membrane-electrode assembly for fuel cell with catalyst layer having a first and a second porosity

#148
20070105001
2007-05-10

Fuel cell stack

#149
20070062821
2007-03-22

Porous electroconductive material and process for production thereof; electrode and process for production thereof; fuel cell and process for production thereof; and electronic instrument, mobile machine, electric power generating system, cogeneration system, and electrode reaction-based apparatus

#150
20070042242
2007-02-22

Fuel electrode of solid polymer electrolyte fuel cell

#151
20060286429
2006-12-21

Method and apparatus for improved fluid flow within an electrochemical cell

#152
20060280996
2006-12-14

Electrode having macropores and micropores therein

#153
20060273004
2006-12-07

Gas/ion species selective membrane support by multi-stage nano-hole array metal structure

#154
20060269825
2006-11-30

Fuel cell system comprising vapor-phase fuel supplying system

#155
20060257641
2006-11-16

Electrode substrate for a fuel cell, a method for preparing the same, and a membrane-electrode assembly comprising the same

#156
20060246337
2006-11-02

Fuel cell support structure

#157
20060166073
2006-07-27

Fuel cell having a hydrogen electrode catalyst layer porosity that is lower than the air electrode catalyst layer porosity

#158
20060127707
2006-06-15

Fuel cell with fuel adjusting film

#159
20060096453
2006-05-11

Noble metal gas barriers

#160
20060093909
2006-05-04

Solid porous zinc electrodes and methods of making same

#161
20060036064
2006-02-16

Sulfonated polymer composition for forming fuel cell electrodes

#162
20050255362
2005-11-17

Fuel cell and related manufacturing method

#163
20050250002
2005-11-10

Composite catalyst layer, electrode and passive mixing flow field for compressionless fuel cells

#164
20050242022
2005-11-03

Gas/ion species selective membrane supported by multi-stage nano-hole array metal structure

#165
20050106450
2005-05-19

Structures for gas diffusion materials and methods for their fabrication

#166
20050092175
2005-05-05

Noble metal gas barriers

#167
20050019649
2005-01-27

Method for manufacturing electrode for fuel cell