ClassID:

213281

H01M4/8878 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Processes of manufacture Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body

Sub-classes:
Recent Application in this class:
#1
20260121078
2026-04-30

MEMBRANE-ELECTRODE-ASSEMBLY WITH TRIMMED PROTON-CONSUMING ELECTRODE

#2
20260081183
2026-03-19

Non-Woven Pitch-Based Carbon Fiber Electrodes for Low-Cost Redox Flow Battery

#3
20250309279
2025-10-02

MANUFACTURING METHOD FOR MEMBRANE ELECTRODE ASSEMBLY AND MEMBRANE-ELECTRODE ASSEMBLY

#4
20250279439
2025-09-04

HYBRID ELECTROCATALYST, ELECTRODE COMPRISING THE SAME AND THEIR METHOD OF MANUFACTURE

#5
20250062366
2025-02-20

HDV Ready Electrochemical Electrodes with Novel Composition, Structure and Method of Manufacture

#6
20240178409
2024-05-30

OXIDATION-RESISTANT CATALYST FOR FUEL CELL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INCLUDING THE SAME

#7
20240120500
2024-04-11

LASER INDUCED PT CATALYST MATERIALS

#8
20240120456
2024-04-11

IONOMERS FOR IMPROVING THE DURABILITY OF MEMBRANE ELECTROCHEMICAL DEVICES AND ELECTRODES DERIVED THEREFROM

#9
20230246203
2023-08-03

Method of manufacturing and device for manufacturing membrane-catalyst assembly

#10
20230155136
2023-05-18

HIERARCHICAL NETWORKS FOR OPTIMAL OR IMPROVED DELIVERY OF FLUID TO POROUS ELECTROCHEMICAL / CHEMICAL MEDIA

#11
20230112440
2023-04-13

METHOD FOR FORMING NOBLE METAL NANOSTRUCTURES ON A SUPPORT

#12
20220231305
2022-07-21

Systems and methods for refurbishing fuel cell stack components

#13
20220115675
2022-04-14

Pt—Ni—Ir catalyst for fuel cell

#14
20220037673
2022-02-03

METHOD OF TREATING A PLATINUM-ALLOY CATALYST, A TREATED PLATINUM-ALLOY CATALYST, AND DEVICE FOR CARRYING OUT THE METHOD OF TREATING A PLATINUM-ALLOY CATALYST

#15
20210320304
2021-10-14

Method for producing a noble metal-free catalyst, a noble metal-free catalyst, a fuel cell and a motor vehicle

#16
20210273236
2021-09-02

Method of manufacturing and device for manufacturing membrane-catalyst assembly

#17
20210249664
2021-08-12

Metal-air battery and method of producing air electrode

#18
20210226230
2021-07-22

Electrode assembly and method for its preparation

#19
20210226226
2021-07-22

Method for preparing flexible membrane-free and wire-shaped fuel cell

#20
20210184225
2021-06-17

METHOD OF MANUFACTURING FUEL CELL CATALYST LAYER

#21
20210167409
2021-06-03

Method of manufacturing membrane electrode assembly and membrane electrode assembly

#22
20210104765
2021-04-08

CATHODE FOR FUEL CELLS AND METHOD OF MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY HAVING THE SAME

#23
20210043945
2021-02-11

Method for producing catalyst for air secondary battery, method for producing air secondary battery, catalyst for air secondary battery, and air secondary battery

#24
20200303757
2020-09-24

Mass and Charge Transfer Enhanced Electrode for High-Performance Aqueous Flow Batteries

#25
20200251721
2020-08-06

Methods for producing nonaqueous electrolyte secondary battery and electrode thereof

#26
20190312284
2019-10-10

Composition for manufacturing electrode of membrane-electrode assembly for fuel cells and method for manufacturing electrode of membrane-electrode assembly for fuel cells using the same

#27
20190305349
2019-10-03

Method and apparatus for manufacturing membrane electrode assembly

#28
20190280309
2019-09-12

Pt—Ni—Ir catalyst for fuel cell

#29
20190273265
2019-09-05

PT-NI-IR CATALYST FOR FUEL CELL

#30
20190252689
2019-08-15

PREFORMATION OF SOLID ELECTROLYTE INTERPHASE ON ELECTRODES FOR RECHARGEABLE LITHIUM METAL BATTERIES

#31
20190190032
2019-06-20

Electrode joining method and electrode joining apparatus

#32
20190109319
2019-04-11

Method for the fabrication of indium-gallium nitride electrodes for electrochemical devices

#33
20180323442
2018-11-08

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

#34
20180248198
2018-08-30

Stretched catalyst layer having porous ionomer film and method of producing same

#35
20180226657
2018-08-09

PRODUCT CUTTING METHOD

#36
20180226656
2018-08-09

Methods of preparing electrodes having targeted oxygen transport

#37
20180190996
2018-07-05

Method for preparing hierarchically porous doped carbon material and its use

#38
20180190995
2018-07-05

Method for manufacturing cathode with improved mass transfer capability and cathode manufactured by the method

#39
20180183083
2018-06-28

Cathode for fuel cells and method of manufacturing membrane electrode assembly having the same

#40
20180138520
2018-05-17

Method of treating carbon electrode

#41
20180097238
2018-04-05

Facile control of pore structure in carbon-supported PGM-based catalysts

#42
20180062181
2018-03-01

Fuel cell oxidation reduction reaction catalyst

#43
20180034062
2018-02-01

Method for manufacturing catalyst having supported catalyst particles of core/shell structure

#44
20180026273
2018-01-25

Method and device for modifying catalyst layer

#45
20180013149
2018-01-11

Method of fabricating graphene-based/algal biofilm electrode for application in a biophotovoltaic device

#46
20170342578
2017-11-30

A NEW CLASS OF ELECTROCATALYSTS

#47
20170288235
2017-10-05

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

#48
20170237077
2017-08-17

Method of making a fuel cell component

#49
20170194629
2017-07-06

Cohesive assembly of carbon and its application

#50
20170098828
2017-04-06

Proton exchange membrane materials

#51
20170077523
2017-03-16

Nanotubular intermetallic compound catalyst for positive electrode of lithium air battery and method of preparing the same

#52
20170062799
2017-03-02

Nanoscale SOFC electrode architecture engineered using atomic layer deposition

#53
20170054165
2017-02-23

Fuel cell with integrated water management layer and fabrication method thereof

#54
20170033370
2017-02-02

MOISTURE-RESISTIVE GRAPHENE MEMBRANE CATHODE FOR LITHIUM-AIR BATTERY IN AMBIENT CONDITIONS

#55
20170012295
2017-01-12

Electrode catalyst for fuel cell, method for producing the same, and polymer electrolyte fuel cell using the same

#56
20160359173
2016-12-08

Method for producing core-shell catalyst particles

#57
20160293966
2016-10-06

FUEL CELL HAVING CATALYST-SUPPORT MATERIAL WITH SELF-HEALING PROPERTIES, AND METHOD OF FABRICATION THEREOF

#58
20160293965
2016-10-06

METASTABLE CERAMIC FUEL CELL AND METHOD OF MAKING SAME

#59
20160197355
2016-07-07

Method for manufacturing fuel electrode support for solid oxide fuel cell and fuel electrode support for solid oxide fuel cell

#60
20160172686
2016-06-16

Preparation of Advanced CCMs for AMFCs by Amination and Cross-linking of the Precursor Form of the Ionomer

#61
20160126559
2016-05-05

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

#62
20160064763
2016-03-03

Apparatus and method associated with reformer-less fuel cell

#63
20160056519
2016-02-25

Li-air hybrid battery and method for manufacturing the same

#64
20160049664
2016-02-18

Catalyst for fuel cells and method for producing the same

#65
20160028091
2016-01-28

Method for manufacturing solid oxide fuel cell anode with high stability and high efficiency

#66
20150349348
2015-12-03

Anode on a pretreated substrate for improving redox-stability of solid oxide fuel cell and the fabrication method thereof

#67
20150340706
2015-11-26

Apparatus and method of printing catalyst on electrolyte membrane

#68
20150318560
2015-11-05

Method for producing a catalyst for fuel cells

#69
20150280249
2015-10-01

Method for manufacturing alloy catalyst for fuel cell

#70
20150207153
2015-07-23

Process for preparing a catalytic material

#71
20150207150
2015-07-23

Electrode assembly and method for its preparation

#72
20150180044
2015-06-25

Method for manufacturing an electrode/proton-exchange membrane assembly

#73
20150162619
2015-06-11

ELECTRODE CATALYST, METHOD FOR PREPARING SAME, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING SAME

#74
20150099212
2015-04-09

Gas phase modification of solid oxide fuel cells

#75
20150094200
2015-04-02

METHOD OF MAKING FUEL CELL CATALYST

#76
20150086727
2015-03-26

PREPARING METHOD OF CATALYST FOR FUEL CELL AND PREPARING METHOD OF MEMBRANE ELECTRODE ASSEMBLY

#77
20150064604
2015-03-05

Polymer-supported electrodes containing multi-atomic clusters and methods of making and using same

#78
20150044594
2015-02-12

Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell

#79
20150024304
2015-01-22

CATALYST LAYER CONSTITUTING BODY AND METHOD FOR PREPARING CATALYST LAYER CONSTITUTING BODY

#80
20150021194
2015-01-22

Iridium complexes for electrocatalysis

#81
20140377478
2014-12-25

Method for solid oxide fuel cell fabrication

#82
20140356755
2014-12-04

Catalyst Polymer Inks

#83
20140308592
2014-10-16

METHOD OF MANUFACTURING DISPERSION LIQUID FOR ELECTRODE CATALYST, DISPERSION LIQUID FOR ELECTRODE CATALYST, METHOD OF MANUFACTURING ELECTRODE CATALYST, ELECTRODE CATALYST, ELECTRODE STRUCTURE, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL AND AIR CELL

#84
20140302406
2014-10-09

Electrode mesh galvanic cells

#85
20140287328
2014-09-25

METHOD FOR PRODUCING FUEL BATTERY, AND FUEL BATTERY AND ELECTRONIC DEVICE

#86
20140272663
2014-09-18

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

#87
20140261983
2014-09-18

Manufacturability of ePTFE laminated membranes

#88
20140255799
2014-09-11

Lithium-air battery cathodes and methods of making the same

#89
20140248441
2014-09-04

ELECTRODE CATALYST WITH ELONGATED NEEDLE-SHAPED CARRIER FOR ALKALINE FUEL CELL, ALKALINE FUEL CELL, AND FORMATION METHOD FOR ALKALINE FUEL CELL ELECTRODE CATALYST WITH ELONGATED NEEDLE-SHAPED CARRIER

#90
20140212790
2014-07-31

Plate-shaped catalyst product and method for manufacturing same

#91
20140209564
2014-07-31

Method for the fabrication of electrolyte cavities using surface micromachining

#92
20140186744
2014-07-03

Nanostructured PtMcatalyst for PEMFC cells having a high activity and a moderate HOproduction

#93
20140106257
2014-04-17

Cohesive assembly of carbon and its application

#94
20140080011
2014-03-20

Manufacturing method for catalyst electrode, catalyst electrode manufactured by means of method, and battery comprising same

#95
20130309597
2013-11-21

Method for solid oxide fuel cell fabrication

#96
20130260267
2013-10-03

Membrane electrode assemblies and fuel-cell systems with surface-modified electrocatalysts and methods for electrocatalyst surface modification

#97
20130020280
2013-01-24

Method of manufacturing fuel cell

#98
20130011750
2013-01-10

Li-air hybrid battery and method for manufacturing the same

#99
20120301808
2012-11-29

PERFORMANCE ENHANCING LAYERS FOR FUEL CELLS

#100
20120214085
2012-08-23

FUEL CELL OF SOLID OXIDE FUEL CELL

#101
20120107724
2012-05-03

ELECTRODE CATALYST FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME

#102
20120094216
2012-04-19

NANO-MATERIAL CATALYST DEVICE

#103
20120082906
2012-04-05

PROCESS FOR PRODUCING TRANSPORT- AND STORAGE-STABLE OXYGEN-CONSUMING ELECTRODES

#104
20120043010
2012-02-23

Method for solid oxide fuel cell fabrication

#105
20120021332
2012-01-26

Anode on a pretreated substrate for improving redox-stability of solid oxide fuel cell and the fabrication method therof

#106
20110305975
2011-12-15

CATALYTIC PARTICULATE SOLUTION FOR A MICRO FUEL CELL AND RELATED METHOD

#107
20110287334
2011-11-24

Polymer electrolyte fuel cell

#108
20110256472
2011-10-20

Catalyst Slurry Composition for Fuel Cell Electrode, Catalytic Layer for Fuel Cell Electrode Using the Catalyst Slurry Composition, Method for Producing the Catalytic Layer and Membrane-Electrode Assembly Including the Catalytic Layer

#109
20110240203
2011-10-06

METHOD FOR PRODUCING A MEMBRANE-ELECTRODE ASSEMBLY FOR A FUEL CELL

#110
20110195336
2011-08-11

Composite membrane, fuel cell and method of making composite membrane

#111
20110155571
2011-06-30

NANO-MATERIAL CATALYST DEVICE

#112
20110123907
2011-05-26

ELECTRODE, AN ELECTROCHEMICAL DEVICE AND METHOD THEREOF

#113
20110020735
2011-01-27

Fuel Cell Catalysts with Enhanced Catalytic Surface Area and Method of Making the Same

#114
20100291467
2010-11-18

Fabrication of catalyst coated diffusion media layers containing nanostructured thin catalytic layers

#115
20100239950
2010-09-23

Catalyst layer-supporting substrate, method of producing the same and fuel cell

#116
20100233577
2010-09-16

Nano-material catalyst device

#117
20100233070
2010-09-16

CARBON-SUPPORTED CoSe2 NANOPARTICLES FOR OXYGEN REDUCTION AND HYDROGEN EVOLUTION IN ACIDIC ENVIRONMENTS

#118
20100196594
2010-08-05

Method for making membrane-electrode assembly for fuel cell and method for making fuel cell system comprising the same

#119
20100159365
2010-06-24

ELECTRODE CATALYST FOR ALKALINE FUEL CELL, ALKALINE FUEL CELL, AND FORMATION METHOD FOR ALKALINE FUEL CELL ELECTRODE CATALYST

#120
20100151279
2010-06-17

ELECTRODES AND METHODS FOR MICROBIAL FUEL CELLS

#121
20100143762
2010-06-10

Method for improving robustness of solid oxide fuel cell stacks

#122
20100119879
2010-05-13

METHODS AND APPARATUS FOR STIMULATING AND MANAGING POWER FROM MICROBIAL FUEL CELLS

#123
20100107404
2010-05-06

Method of producing fuel cell catalyst layer

#124
20100062306
2010-03-11

Polymer electrolyte fuel cell, membrane electrode assembly and manufacturing method thereof

#125
20100028756
2010-02-04

Fuel cell and catalyst layer thereof, and membrane electrode assembly using the same

#126
20100021787
2010-01-28

Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell

#127
20100019193
2010-01-28

METHOD OF MANUFACTURING A FUEL CELL ELECTRODE (AS AMENDED)

#128
20100015475
2010-01-21

SOLID POLYMER FUEL CELL AND METHOD FOR ACTIVATING SAME

#129
20090181278
2009-07-16

MICRO FUEL CELL, FABRICATION METHOD THEREOF, AND MICRO FUEL CELL STACK USING THE SAME

#130
20090155635
2009-06-18

METHOD OF ACTIVATING MEMBRANE ELECTRODE ASSEMBLY (PEM) OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL (PEMFC) USING CYCLIC VOLTAMMETRY (CV)

#131
20090142649
2009-06-04

BIOLOGICAL ELECTRODE WITH THE HYDROGENASE ENZYME, METHOD OF OBTAINING SAME AND APPLICATIONS THEREOF

#132
20090075157
2009-03-19

Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same

#133
20090053561
2009-02-26

CATALYST LAYERS AND RELATED METHODS

#134
20090050484
2009-02-26

Process for producing membrane electrode assembly, and fuel cell using the membrane electrode assembly produced by the process

#135
20090047422
2009-02-19

Method for manufacturing tube-type fuel cell

#136
20090042091
2009-02-12

Supported catalyst layers for direct oxidation fuel cells

#137
20090041947
2009-02-12

Manufacturing method of a membrane electrode assembly

#138
20080292912
2008-11-27

ELECTRODES AND METHODS FOR MICROBIAL FUEL CELLS

#139
20080233465
2008-09-25

Catalyst, method for producing catalyst, membrane electrode assembly, and fuel cell

#140
20080230171
2008-09-25

Method for producing catalyst-layer-supporting substrate, method for producing membrane-electrode assembly and method for producing fuel cell

#141
20080213161
2008-09-04

Carbon nanotube pastes and methods of use

#142
20080044720
2008-02-21

Membrane electrode assembly having porous electrode layers, manufacturing method thereof, and electrochemical cell comprising the same

#143
20070215039
2007-09-20

ROLL-TO-ROLL MANUFACTURING OF ELECTRONIC AND OPTICAL MATERIALS

#144
20070209758
2007-09-13

METHOD AND PROCESS FOR UNITIZED MEA

#145
20070184334
2007-08-09

Metal catalyst and fuel cell employing electrode including the same

#146
20070111090
2007-05-17

Surface micromachined electrolyte-cavities for use in micro-aluminum galvanic cells

#147
20070022878
2007-02-01

Ion irradiated electrolyte membrane, anode, and/or cathode

#148
20060222929
2006-10-05

Reduction of SOFC anodes to extend stack lifetime

#149
20060199059
2006-09-07

Ion conductive polymer electrolyte and its membrane electrode assembly

#150
20060163066
2006-07-27

Cerium dioxide-based electrode-electrolyte pair (variants), method for the production thereof (variants) and organogel

#151
20060127738
2006-06-15

Design, method and process for unitized mea

#152
20060115712
2006-06-01

Electrode for fuel cell, fuel cell system comprising the same, and method for preparing the same

#153
20060105225
2006-05-18

Membrane-electrode assembly for fuel cell and fuel cell system comprising same

#154
20060039848
2006-02-23

Carbon nanotube pastes and methods of use

#155
20050244693
2005-11-03

Metastable ceramic fuel cell and method of making the same

#156
20050148458
2005-07-07

Method for producing electrochemical device

#157
20050019650
2005-01-27

Fuel cell electrode, fuel cell, and manufacturing methods thereof