ClassID:

213304

H01M4/928 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Selection of catalytic material; Metals of platinum group Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state

Recent Application in this class:
#1
20260031366
2026-01-29

PROCESS AND MEMBRANE

#2
20240204208
2024-06-20

ELECTROCHEMICAL CATALYST OF CORE-SHELL STRUCTURE AND MANUFACTURING METHOD THEREOF

#3
20220344675
2022-10-27

Fuel cells, bifunctional catalysts thereof, and preparation methods therefor

#4
20220013791
2022-01-13

Catalyst layer

#5
20210313590
2021-10-07

Gas diffusion electrode and fuel cell comprising such a gas diffusion electrode

#6
20210305585
2021-09-30

Method for producing metal nanoparticles, method for producing membrane electrode assembly, and method for producing polymer electrolyte fuel cell

#7
20210202971
2021-07-01

Electrolyte membrane for fuel cells capable of preventing poisoning of catalyst and method of producing the same

#8
20200203735
2020-06-25

Method of preparing a catalyst for a fuel cell without a carbon support

#9
20190296363
2019-09-26

Cathode electrode catalyst of fuel cell, and reaction acceleration method

#10
20180375108
2018-12-27

Carrier-nanoparticle composite, catalyst containing same, and method for producing same

#11
20180351190
2018-12-06

Reinforced membrane, electrochemical cell and fuel cell comprising same, and production method for reinforced membrane

#12
20180138518
2018-05-17

CORE-SHELL CATALYST AND REACTION ACCELERATION METHOD

#13
20180019479
2018-01-18

Fuel cell oxidation reduction reaction catalyst

#14
20170141406
2017-05-18

Cathode design for electrochemical cells

#15
20170117556
2017-04-27

Corrosion-resistant catalyst

#16
20170104225
2017-04-13

Process of manufacturing a catalyst-coated membrane-seal assembly

#17
20170033369
2017-02-02

Catalyst layer

#18
20160365583
2016-12-15

Roll-to-roll fabrication of high performance fuel cell electrode with core-shell catalyst using seeded electrodes

#19
20160359172
2016-12-08

Method for producing fuel cell electrode catalyst

#20
20160293969
2016-10-06

Ultrathin, ternary alloy PtRuFe nanowires, and methods of making same

#21
20160293968
2016-10-06

ULTRATHIN ONE-DIMENSIONAL BINARY PALLADIUM NANOSTRUCTURES AND METHODS OF MAKING SAME

#22
20160218372
2016-07-28

CORE-SHELL CATALYSTS AND METHOD FOR PRODUCING THE SAME

#23
20160204448
2016-07-14

Hollow metal particles, electrode catalyst including same, electrochemical battery including the electrode catalyst, and method of manufacturing hollow metal particles

#24
20160172700
2016-06-16

High temperature membrane electrode assembly with high power density and corresponding method of making

#25
20150380758
2015-12-31

Co-tolerant catalyst for PAFC

#26
20150340708
2015-11-26

Process for preparing nanoparticles of a catalyst for cathodic reduction of dioxygen in the presence of methanol

#27
20150236355
2015-08-20

Nanoframes with three-dimensional electrocatalytic surfaces

#28
20150147681
2015-05-28

Palladium-Based Catalysts for Fuels Electrooxidation Prepared by Sacrificial Support Method

#29
20150099207
2015-04-09

Catalyst layer for gas diffusion electrode, method for manufacturing the same, membrane electrode assembly, and fuel cell

#30
20150064610
2015-03-05

Fuel cell membrane-electrode assembly and production method therefor

#31
20150037711
2015-02-05

Method for fabricating core-shell particles and core-shell particles fabricated by the method

#32
20150030967
2015-01-29

Metal fine particle association and method for producing the same

#33
20140248553
2014-09-04

Electrode compartment for an electrochemical cell, a refreshing system for it and an emulsion to be used therefore

#34
20140242494
2014-08-28

High temperature membrane electrode assembly with high power density and corresponding method of making

#35
20140080700
2014-03-20

Nanostructured platinum alloys for use as catalyst materials

#36
20140038078
2014-02-06

SHAPE CONTROLLED CORE-SHELL CATALYSTS

#37
20130337997
2013-12-19

Cyclic compound, its metal complex and modified metal complex

#38
20130236815
2013-09-12

Multimetallic nanoparticle catalysts with enhanced electrooxidation

#39
20130040214
2013-02-14

Fuel cell water management via reduced anode reactant pressure

#40
20120316060
2012-12-13

Platinum monolayer on hollow, porous nanoparticles with high surface areas and method of making

#41
20120094216
2012-04-19

NANO-MATERIAL CATALYST DEVICE

#42
20120094210
2012-04-19

INK COMPRISING POLYMER PARTICLES, ELECTRODE, AND MEA

#43
20110318662
2011-12-29

PLATINUM PHOSPHIDE AS A CATHODE CATALYST FOR PEMFCS AND PHOSPHOROUS TREATMENT OF CATALYSTS FOR FUEL CELL

#44
20110250515
2011-10-13

Electrode compartment for an electrochemical cell, a refreshing system for it and an emulsion to be used therefore

#45
20110244364
2011-10-06

High temperature membrane electrode assembly with high power density and corresponding method of making

#46
20110183232
2011-07-28

STRUCTURES FOR GAS DIFFUSION ELECTRODES

#47
20110155571
2011-06-30

NANO-MATERIAL CATALYST DEVICE

#48
20110015059
2011-01-20

Cyclic compound, its metal complex and modified metal complex

#49
20110003683
2011-01-06

Nanostructured platinum alloys for use as catalyst materials

#50
20100233577
2010-09-16

Nano-material catalyst device

#51
20100197490
2010-08-05

Platinum-coated non-noble metal-noble metal core-shell electrocatalysts

#52
20100190086
2010-07-29

Catalyst layer

#53
20100081028
2010-04-01

Binder for a fuel cell catalyst composition, a membrane electrode assembly for a fuel cell using the binder and a method for preparing a membrane electrode assembly

#54
20100003567
2010-01-07

Fuel cell

#55
20090280379
2009-11-12

Electrode binder solution composition for polymer electrolyte fuel cell

#56
20090220835
2009-09-03

Platinum and platinum based alloy nanotubes as electrocatalysts for fuel cells

#57
20090162721
2009-06-25

Fuel cell membrane-electrode assembly and production method therefor

#58
20090061286
2009-03-05

Cathode catalyst for fuel cell, method for preparing the same, membrane-electrode assembly comprising the same, and fuel cell system including the same

#59
20080206616
2008-08-28

CATALYST COATED MEMBRANES AND SPRAYABLE INKS AND PROCESSES FOR FORMING SAME

#60
20080006121
2008-01-10

Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds

#61
20070269699
2007-11-22

Catalyst coated membrane, membrane electrode assembly containing the same, method of producing the same, and fuel cell including the membrane electrode assembly

#62
20070264552
2007-11-15

FUEL CELL

#63
20070231675
2007-10-04

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

#64
20070212590
2007-09-13

Platinum, titanium and copper, manganese and iron containing electrocatalysts

#65
20070122690
2007-05-31

Anode for fuel cell, manufacturing method thereof, and fuel cell including the same

#66
20070072055
2007-03-29

Membrane-electrode assemblies for direct methanol fuel cells

#67
20070037696
2007-02-15

Platinum-palladium-titanium fuel cell catalyst

#68
20070031722
2007-02-08

Electrocatalysts having platium monolayers on palladium, palladium alloy, and gold alloy core-shell nanoparticles, and uses thereof

#69
20070010396
2007-01-11

Platinum-copper fuel cell catalyst

#70
20060251952
2006-11-09

Platinum-chromium-copper/nickel fuel cell catalyst

#71
20060135359
2006-06-22

Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof

#72
20060107997
2006-05-25

Electrode, photoelectric conversion element, and dye-sensitized solar cell

#73
20060063061
2006-03-23

Methanol-tolerant cathode catalyst composite for direct methanol fuel cells

#74
20060019825
2006-01-26

Platinum-indium-iron/tungsten/manganese fuel cell electrocatalyst

#75
20060008696
2006-01-12

Nanotubular solid oxide fuel cell

#76
20050233067
2005-10-20

Manufacture of a gas diffusion electrode

#77
20050227128
2005-10-13

Fuel cell electrocatalyst of Pt-Zn-Ni/Fe

#78
20050221162
2005-10-06

Catalyst structures for electrochemical fuel cells

#79
20050181269
2005-08-18

Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same

#80
20050170222
2005-08-04

Full cell electrocatalyst of pt-ni-mn/fe

#81
20050151121
2005-07-14

Electrocatalyst ink

#82
20050118493
2005-06-02

Gas diffusion electrode and method for its production

#83
20050037920
2005-02-17

Platinum-indium-iron/tungsten/manganese fuel cell electrocatalyst

#84
20050000318
2005-01-06

Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds