ClassID:

213273

H01M4/885 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Processes of manufacture; Methods for deposition of the catalytic active composition; Impregnation followed by reduction of the catalyst salt precursor

Recent Application in this class:
#1
20250316719
2025-10-09

PT-ANCHORED OVER ZIRCONIUM PHOSPHATE FOR PROTON EXCHANGE MEMBRANE FUEL CELL APPLICATIONS

#2
20230420695
2023-12-28

CATALYST FOR FUEL CELLS AND METHOD FOR PRODUCING SAME

#3
20230170473
2023-06-01

Solvents and catalyst preparations for lithium-oxygen batteries

#4
20230112440
2023-04-13

METHOD FOR FORMING NOBLE METAL NANOSTRUCTURES ON A SUPPORT

#5
20220376269
2022-11-24

HIGH-STABILITY CATALYST FOR AN ELECTROCHEMICAL CELL

#6
20220098033
2022-03-31

Porous carbon-based metal catalyst as well as preparation method and application thereof

#7
20220037646
2022-02-03

Solvents and catalyst preparations for lithium-oxygen batteries

#8
20210234177
2021-07-29

Electrocatalyst

#9
20210020953
2021-01-21

Catalyst

#10
20200106108
2020-04-02

Method of manufacturing a metal-air cell

#11
20190091634
2019-03-28

Method for producing a permeation membrane

#12
20190036128
2019-01-31

Catalyst

#13
20180331371
2018-11-15

Core-shell structure type nanosheet

#14
20180323443
2018-11-08

Fabrication processes for solid state electrochemical devices

#15
20180066371
2018-03-08

Method for preparing fuel electrode of solid oxide electrolysis cells embedded with bimetallic catalyst

#16
20170309922
2017-10-26

Cyclic regeneration of nanostructured composites for catalytic applications

#17
20170244111
2017-08-24

Method for producing core-shell catalyst

#18
20170133733
2017-05-11

Lithium-air battery and method for manufacturing the same

#19
20170036193
2017-02-09

Highly dispersed metal catalyst and related methods

#20
20160351914
2016-12-01

METHOD FOR PREPARING A FUEL CELL ELECTRODE MEMBRANE ASSEMBLY BY MEANS OF ELECTRODEPOSITION

#21
20160248101
2016-08-25

Electrode catalyst material, fuel cell electrode, method for producing electrode catalyst material, and fuel cell

#22
20160072134
2016-03-10

Catalyst and manufacturing method thereof, and electrode catalyst layer using the catalyst

#23
20150380741
2015-12-31

Active support for cathode catalysts

#24
20150280245
2015-10-01

Method for producing Pt-free electrocatalysts for fuel cells and batteries

#25
20150072269
2015-03-12

ELECTRODE ADDITIVE FOR FUEL CELL AND ITS SYNTHESIS METHOD

#26
20150064607
2015-03-05

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

#27
20140051008
2014-02-20

Catalyst material for fuel cell

#28
20130157170
2013-06-20

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

#29
20130072375
2013-03-21

Catalyst containing oxygen transport membrane

#30
20130034794
2013-02-07

Fuel cell membrane electrode assembly

#31
20130032269
2013-02-07

Method for making fuel cell membrane electrode assembly

#32
20120301812
2012-11-29

Carbon nanotube and nanofiber film-based membrane electrode assemblies

#33
20120269961
2012-10-25

METHOD FOR GENERATING A CATALYST-CONTAINING ELECTRODE LAYER

#34
20120141691
2012-06-07

METHOD OF APPLYING A METALLIC PRECURSOR TO A TITANIUM OXIDE COATING TO FORM A COMPOSITE COATING OR MATERIAL

#35
20120052407
2012-03-01

PROCESSES FOR PREPARING STABLE PROTON EXCHANGE MEMBRANES AND CATALYST FOR USE THEREIN

#36
20120004098
2012-01-05

Highly dispersed metal catalyst

#37
20110104588
2011-05-05

Method of preparing nano-sized catalyst on carbon support

#38
20110097650
2011-04-28

Catalyst composition, method for fabricating the same and fuel cell including the same

#39
20100330451
2010-12-30

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

#40
20100304960
2010-12-02

ALLOY FUEL CELL CATALYSTS

#41
20100304268
2010-12-02

TERNARY ALLOY CATALYSTS FOR FUEL CELLS

#42
20100248076
2010-09-30

Electrode catalyst for fuel cells, method of preparing the electrode catalyst, and fuel cell including electrode containing the electrode catalyst

#43
20100196780
2010-08-05

Protecting a PEM fuel cell catalyst against carbon monoxide poisoning

#44
20100143807
2010-06-10

Porous clusters of silver powder promoted by zirconium oxide for use as a catalyst in gas diffusion electrodes, and method for the production thereof

#45
20100143761
2010-06-10

Method for impregnating a solid oxide fuel cell cathode with silver to reduce electrical resistance

#46
20100068629
2010-03-18

Alkali metal seawater battery

#47
20090312180
2009-12-17

Methods of making platinum and platinum alloy catalysts with nanonetwork structures

#48
20090263569
2009-10-22

Method of forming an electrode including an electrochemical catalyst layer

#49
20090202871
2009-08-13

Metal-coated carbon surfaces for use in fuel cells

#50
20090202869
2009-08-13

CARBON PARTICLE HAVING DEPOSITED FINE PARTICLES, PROCESS FOR PRODUCING THE SAME, AND ELECTRODE FOR FUEL CELL

#51
20090130518
2009-05-21

ELECTROCATALYST FOR FUEL CELL, METHOD OF PREPARING THE SAME AND FUEL CELL INCLUDING AN ELECTRODE HAVING THE ELECTROCATALYST

#52
20090105067
2009-04-23

Process for Obtaining Aqueous Suspensions for Electrodes of Solid Oxide Fuel Cells and Other Electrocatalytic Devices

#53
20090075157
2009-03-19

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

#54
20080166259
2008-07-10

Single Crytalline Noble Metal Ultrathin-Film-Like Nanoparticle Formed in Adsorbed Micelle Film as Reaction Filed Formed at Solid-Liquid Interface, and Production Method Thereof

#55
20080128275
2008-06-05

Anodes for alkaline electrolysis

#56
20080044720
2008-02-21

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

#57
20080003479
2008-01-03

IONIC POLYMER METAL COMPOSITE ELECTROLYTE FOR FUEL CELL

#58
20070270305
2007-11-22

Supported catalyst, method of preparing the same, and fuel cell using the same

#59
20060263288
2006-11-23

Mesoporous carbon and method of producing the same

#60
20060247122
2006-11-02

Methods for the deposition of electrocatalyst particles

#61
20060144189
2006-07-06

Method for preparing colloidal solution and carrier having colloidal particles fixed on surface thereof, fuel cell cathode, fuel cell anode and method for preparing the same and fuel cell using the same, and low temperature oxidation catalyst, method for preparing the same and fuel cell fuel modifying device using the same

#62
20060116463
2006-06-01

Processes for making aerogel-electrolyte-metal composites

#63
20050260464
2005-11-24

Processes for preparing stable proton exchange membranes and catalyst for use therein

#64
20050220988
2005-10-06

Depositing metal particles on carbon nanotubes

#65
20050170946
2005-08-04

Coated catalytic material

#66
20050112432
2005-05-26

Method of plating metal leafs and metal membranes

#67
20050070427
2005-03-31

High loading supported carbon catalyst, method of preparing the same, catalyst electrode including the same, and fuel cell including the catalyst electrode

#68
20050019650
2005-01-27

Fuel cell electrode, fuel cell, and manufacturing methods thereof

#69
14632142
2017-02-28

Method for synthesis of functional ceramic materials