ClassID:

213294

H01M4/9058 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Selection of catalytic material; Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of noble metals or noble-metal based alloys

Recent Application in this class:
#1
20260135130
2026-05-14

FUEL CELL SYSTEM INCLUDING SILICON SPECIES TRAPPING MATERIAL OR SILICON SPECIES TOLERANT CATALYST AND METHOD OF OPERATING THEREOF

#2
20260097391
2026-04-09

CATALYSTS FOR OXYGEN REDUCTION REACTIONS AND METHODS OF SYNTHESIS THEREOF

#3
20260031365
2026-01-29

ELECTROCATALYST STRUCTURES FOR AN ELECTRODE

#4
20250336999
2025-10-30

POWER GENERATION ELEMENT, POWER GENERATION APPARATUS, AND POWER GENERATION METHOD

#5
20250323283
2025-10-16

PHOSPHATE-TOLERANT CORE-SHELL CATALYSTS NANOPARTICLES FOR HIGH TEMPERATURE FUEL CELLS AND FUEL CELLS WITH THE SAME

#6
20250233165
2025-07-17

CATALYST COMPLEX FOR FUEL CELLS AND METHOD FOR MANUFACTURING THE SAME

#7
20250187071
2025-06-12

MULTI-PRINCIPAL ELEMENT ALLOY (MPEA) NANOPARTICLES

#8
20250132366
2025-04-24

SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME

#9
20250125394
2025-04-17

HIGH-TEMPERATURE POLYMER ELECTROLYTE MEMBRANE FUEL CELL AND METHOD OF MANUFACTURING THE SAME

#10
20250087708
2025-03-13

Catalyst-Coated Membranes, Catalyst Coated Membrane-StyleMembrane Electrode Assemblies and Methods of Fabrication Thereof

#11
20230378480
2023-11-23

PALLADIUM-TRANSITION METAL CORE-BASED CORE-SHELL ELECTRODE CATALYST AND MANUFACTURING METHOD FOR THE SAME

#12
20230369622
2023-11-16

FUEL CELL MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL

#13
20230369608
2023-11-16

CATALYST FOR ELECTRODES, COMPOSITION FOR FORMING GAS DIFFUSION ELECTRODE, GAS DIFFUSION ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL STACK

#14
20230361316
2023-11-09

Membrane electrode assembly (MEA) for proton exchange membrane electrochemical cell

#15
20230238543
2023-07-27

METHOD FOR PRODUCING A CATALYST-COATED MEMBRANE

#16
20230207851
2023-06-29

Redox Ion Exchange Membranes and Applications Thereof

#17
20230197974
2023-06-22

POROUS SILICON OXYCARBIDE COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING SAME

#18
20220416258
2022-12-29

ELECTROCHEMICAL OXYGEN REDUCTION CATALYST

#19
20220416257
2022-12-29

Nanowire catalyst for fuel cell and method of manufacturing same

#20
20220407086
2022-12-22

ANODE CATALYST MATERIALS FOR ELECTROCHEMICAL CELLS

#21
20220367883
2022-11-17

Catalyst ink compositions and methods for forming hydrogen pumping proton exchange membrane electrochemical cell

#22
20220328856
2022-10-13

HYDROGEN PUMPING PROTON EXCHANGE MEMBRANE ELECTROCHEMICAL CELL WITH CARBON MONOXIDE TOLERANT ANODE AND METHOD OF MAKING THEREOF

#23
20220320526
2022-10-06

ELECTROCATALYST STRUCTURES FOR AN ELECTRODE

#24
20220209252
2022-06-30

Fuel cell and manufacturing method of membrane electrode assembly plate

#25
20220181642
2022-06-09

CATALYST COMPLEX FOR FUEL CELLS AND METHOD FOR MANUFACTURING THE SAME

#26
20220115673
2022-04-14

Electrochemical cell integrates electrolysis and fuel cell functions

#27
20220105498
2022-04-07

RUTHENIUM-TRANSITION METAL ALLOY CATALYSTS

#28
20220006110
2022-01-06

Direct ammonia-fed solid oxide fuel cell and methods for making the same

#29
20210305613
2021-09-30

Direct ammonia alkaline membrane fuel cell and method of operating same

#30
20210151776
2021-05-20

Catalyst

#31
20210126264
2021-04-29

Catalyst for solid polymer fuel cells and method for producing same

#32
20210091291
2021-03-25

Nano-Scale Energy Harvesting Device

#33
20210083300
2021-03-18

Laminated catalyst, electrode, membrane electrode assembly, electrochemical cell, stack, fuel cell and water electrolysis reversible device, vehicle, and flying object

#34
20210075026
2021-03-11

Catalyst

#35
20210066724
2021-03-04

Catalyst

#36
20210036333
2021-02-04

Method of manufacturing anode dual catalyst for fuel cell for preventing reverse voltage phenomenon and dual catalyst manufactured thereby

#37
20200303748
2020-09-24

NANOMANUFACTURING OF METALLIC GLASSES FOR ENERGY CONVERSION AND STORAGE

#38
20190379057
2019-12-12

Methods for forming electrocatalyst structures and electrodes comprising same

#39
20190312285
2019-10-10

Fuel cell comprising a membrane/electrode assembly provided with a capacitive layer

#40
20190267638
2019-08-29

Catalyst

#41
20190260035
2019-08-22

Nanoporous oxygen reduction catalyst material

#42
20190237770
2019-08-01

Highly porous anode catalyst layer structures for fuel flexible solid oxide fuel cells

#43
20190221858
2019-07-18

Catalyst for solid polymer fuel cell and method for producing same

#44
20180269493
2018-09-20

Dry reforming catalyst, method for preparing same, and dry reforming method using corresponding catalyst

#45
20180083291
2018-03-22

Electrode catalyst material, and fuel cell

#46
20170338494
2017-11-23

Electrode slurry of solid oxide fuel cell, green sheet for electrode of solid oxide fuel cell, electrode of solid oxide fuel cell, and method for manufacturing solid oxide fuel cell and electrode of solid oxide fuel cell

#47
20170263944
2017-09-14

Supported catalyst material for a fuel cell

#48
20170098841
2017-04-06

Porous current collector and fuel cell

#49
20160211530
2016-07-21

Caged nanoparticle electrocatalyst with high stability and gas transport property

#50
20160172687
2016-06-16

OXIDE-COATED METAL CATALYST FOR COMPOSITE ELECTRODE AND METHOD FOR PREPARING COMPOSITE ELECTRODE USING THE SAME

#51
20160156041
2016-06-02

Cell materials variation in SOFC stacks to address thermal gradients in all planes

#52
20160064763
2016-03-03

Apparatus and method associated with reformer-less fuel cell

#53
20160043407
2016-02-11

PFCB nanometer scale fibers

#54
20160013494
2016-01-14

Catalyst particles for fuel cells and method for producing same

#55
20150375208
2015-12-31

Metal oxide stabilized platinum-based ORR catalyst

#56
20150099212
2015-04-09

Gas phase modification of solid oxide fuel cells

#57
20150093658
2015-04-02

Lithium-air batteries, method for making lithium-air batteries

#58
20150064607
2015-03-05

CATALYST FOR HYDROCARBON-FUELED SOLID OXIDE FUEL CELL AND PRODUCTION METHOD THEREOF

#59
20140220475
2014-08-07

Catalyst assembly including an intermetallic compound of iridium and tungsten

#60
20140220474
2014-08-07

Catalyst particles, catalyst ink, electrode catalyst layer for fuel cells, membrane electrode assembly, polymer electrolyte fuel cell, method for producing catalyst particles and method for producing catalyst ink

#61
20140199609
2014-07-17

Electrocatalyst for solid polymer fuel cell

#62
20140113214
2014-04-24

PFCB nanometer scale fibers

#63
20140017594
2014-01-16

FUEL CELL ANODE CATALYST AND MANUFACTURING METHOD THEREFOR

#64
20130216934
2013-08-22

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

#65
20130157170
2013-06-20

METHOD FOR DEPOSITING CATALYST IN FUEL CELL, FUEL CELL MANUFACTURED BY THE SAME AND OPERATION APPARATUS FOR THE SAME

#66
20120088180
2012-04-12

Membrane electrode assembly comprising a hydrogen permeable thin film, solid oxide fuel cell comprising the same and method of preparing the membrane electrode assembly

#67
20120015279
2012-01-19

DENSE THIN FILIM, FUEL CELL USING THE SAME AND FABRICATION METHODS THEREOF

#68
20120009501
2012-01-12

METHODS OF MANUFACTURING PROTON CONDUCTIVE SOLID OXIDE FUEL CELL AND PROTON CONDUCTIVE SOLID OXIDE FUEL CELLS MANUFACTURED BY USING THE METHODS

#69
20110269058
2011-11-03

SOLID OXIDE FUEL CELL AND METHOD OF MANUFACTURING THE SAME

#70
20110223519
2011-09-15

SOLID OXIDE FUEL CELL AND METHOD OF PREPARING THE SAME

#71
20110091789
2011-04-21

Material for an electrochemical device

#72
20110081599
2011-04-07

Electrode catalyst for fuel cell comprising palladium and iridium, method of preparing electrode catalyst, and fuel cell using electrode catalyst

#73
20110076589
2011-03-31

Nano-patterned electrolytes in solid oxide fuel cells

#74
20110027689
2011-02-03

Silver-copper-zinc catalyst for fuel cells and/or electrolyzers

#75
20100280138
2010-11-04

Method of activating boron nitride

#76
20100279201
2010-11-04

Proton exchange membrane and cell comprising such a membrane

#77
20100279194
2010-11-04

Sulfur tolerant anode for solid oxide fuel cell

#78
20100178582
2010-07-15

Ionic layer with oxygen evolution reaction catalyst for electrode protection

#79
20100021786
2010-01-28

FUEL CELL

#80
20090305090
2009-12-10

Catalysts compositions for use in fuel cells

#81
20090200172
2009-08-13

Method of manufacturing fuel cell

#82
20090169953
2009-07-02

Electrochemical Cell and Method for Producing Electrochemical Cell

#83
20090023050
2009-01-22

Internal reforming solid oxide fuel cells

#84
20080311455
2008-12-18

Solid oxide fuel cell components tuned by atomic layer deposition

#85
20080206606
2008-08-28

Cathode For a Large-Surface Fuel Cell

#86
20080081229
2008-04-03

Cell materials variation in SOFC stacks to address thermal gradients in all planes

#87
20080066299
2008-03-20

Manufacturing method of a hydrogen separation membrane-electrolyte membrane assembly and a fuel cell provided with that assembly

#88
20070148521
2007-06-28

Single cell for a solid oxide fuel cell

#89
20070141443
2007-06-21

Solid oxide fuel cell having a buffer layer

#90
20070054798
2007-03-08

Electrode structure and methods of making same

#91
20070022878
2007-02-01

Ion irradiated electrolyte membrane, anode, and/or cathode

#92
20060275647
2006-12-07

Textile derived solid oxide fuel cell system

#93
20060251950
2006-11-09

Solid-state direct methanol thin film fuel cell

#94
20050287408
2005-12-29

Method for the production of electrochemical cells and an electrochemical cell stack

#95
20050255355
2005-11-17

Single cell for a solid oxide fuel cell

#96
20050092597
2005-05-05

Method of forming thin-film electrodes