ClassID:

213265

H01M4/8821 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Processes of manufacture; Treatment of supports before application of the catalytic active composition Wet proofing

Recent Application in this class:
#1
20230411629
2023-12-21

ELECTRODE AND METHOD OF PRODUCING THE SAME, AND ELECTROCHEMICAL DEVICE USING THE SAME

#2
20230045638
2023-02-09

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

#3
20200152995
2020-05-14

Method of forming gas diffusion layer on carbon paper used in fuel cells and carbon paper having gas diffusion layer formed thereon used in fuel cells

#4
20190123359
2019-04-25

Multilayer structure incorporating a mat of carbon nanotubes as diffusion layer in a PEMFC

#5
20180244882
2018-08-30

SUBSTRATE FILM, CATALYST TRANSFER SHEET, METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING CATALYST LAYER-COATED ELECTROLYTE MEMBRANE

#6
20180205076
2018-07-19

Method of producing lithium ion secondary battery by incorporating fluorine

#7
20180114990
2018-04-26

Method for producing gas diffusion electrode and method for producing membrane electrode assembly (MEA)

#8
20170237078
2017-08-17

Method of hydrophobic treatment of a carbon substrate

#9
20160020475
2016-01-21

Mixed-reactant fuel cells with selective electrodes

#10
20150194688
2015-07-09

Fuel-cell gas diffusion layer and method of forming the same

#11
20150140470
2015-05-21

Microporous layer with hydrophilic additives

#12
20150111127
2015-04-23

Fuel cell with enhanced mass transfer characteristics

#13
20140255801
2014-09-11

Electrode and energy store including an electrode

#14
20130101906
2013-04-25

Gas diffusion electrode, method of producing same, membrane electrode assembly comprising same and method of producing membrane electrode assembly comprising same

#15
20130089807
2013-04-11

Fuel cell with enhanced mass transfer characteristics

#16
20130045864
2013-02-21

Apparatus for production of fuel cell catalyst layer, method for production of fuel cell catalyst layer, polyelectrolyte solution, and process for production of polyelectrolyte solution

#17
20120148732
2012-06-14

Method for manufacturing gas diffusion layer for fuel cell

#18
20120141888
2012-06-07

OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR THE PRODUCTION THEREOF

#19
20110136046
2011-06-09

Fuel cell catalyst support with fluoride-doped metal oxides/phosphates and method of manufacturing same

#20
20110017702
2011-01-27

Method of manufacture of an electrode for a fuel cell

#21
20100279197
2010-11-04

Membrane-electrode binder having dual electrode, method of manufacturing the binder, and fuel cell comprising the same

#22
20100255407
2010-10-07

ELECTRODE, METHOD OF PREPARING THE SAME, AND FUEL CELL INCLUDING THE SAME

#23
20090050258
2009-02-26

DEVELOPMENT OF PEM FUEL CELL ELECTRODES USING PULSE ELECTRODEPOSITION

#24
20090047422
2009-02-19

Method for manufacturing tube-type fuel cell

#25
20090029196
2009-01-29

Dry method of making a gas diffusion electrode

#26
20090011308
2009-01-08

Preparation of Gas Diffusion Layer for Fuel Cell

#27
20080085440
2008-04-10

Polymer electrolyte fuel cell and production method of the same

#28
20080070093
2008-03-20

Development and characterization of novel proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups

#29
20080063924
2008-03-13

Fuel cell microporous layer including particles with a controlled pore size distribution

#30
20080014495
2008-01-17

Membrane Electrode Assembly, Method of Manufacturing the Same, Fuel Battery, and Electronic Device

#31
20070202391
2007-08-30

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

#32
20070178365
2007-08-02

Electrocatalyst for fuel cell-electrode, fuel cell using the same and method for producing electrocatalyst

#33
20070154776
2007-07-05

Gas diffusion element, method of manufacturing the same, and device using the same

#34
20070154774
2007-07-05

Hydrophilized anode for a direct liquid fuel cell

#35
20070122690
2007-05-31

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

#36
20070111085
2007-05-17

Electrocatalyst for fuel cell-electrode, membrane-electrode assembly using the same and fuel cell

#37
20070095676
2007-05-03

Oxygen-reducing gas diffusion cathode and method of sodium chloride electrolysis

#38
20060257717
2006-11-16

Gas diffusion electrode and method for making same

#39
20060199068
2006-09-07

Electrode and membrane/electrode assembly for fuel cells and fuel cell systems comprising same

#40
20050048358
2005-03-03

Fuel cell stack and manufacturing method thereof