ClassID:

213300

H01M4/921 - page 4 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Selection of catalytic material; Metals of platinum group Alloys or mixtures with metallic elements

Recent Application in this class:
#901
20070037042
2007-02-15

Anode catalyst compositions for a voltage reversal tolerant fuel cell

#902
20070037030
2007-02-15

Fuel cell and method of manufacturing the fuel cell

#903
20070031722
2007-02-08

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

#904
20070026292
2007-02-01

Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof

#905
20070026290
2007-02-01

Cathode catalyst for fuel cell, and membrane-electrode assembly and fuel cell system comprising same

#906
20070026282
2007-02-01

Polymer Electrolyte Membrane, Process For Production Thereof, Polymer Electrolyte, Electrolyte Composition, Membrane-Electrode Assembly, And Fuel Cell

#907
20070020507
2007-01-25

Binder composition for fuel cell, membrane-electrode assembly for fuel cell, and method for preparing the membrane-electrode assembly

#908
20070015040
2007-01-18

Electrolytes to enhance oxygen reduction reaction (ORR) in the cathode layer of PEM fuel cell

#909
20070015026
2007-01-18

Membrane-electrode assembly for solid polymer electrolyte fuel cell

#910
20070010396
2007-01-11

Platinum-copper fuel cell catalyst

#911
20070003822
2007-01-04

Voltage cycling durable catalysts

#912
20060286435
2006-12-21

Fuel cells and their components using catalysts having a high metal to support ratio

#913
20060280997
2006-12-14

PtNi based supported electrocatalyst for proton exchange membrane fuel cell having CO tolerance

#914
20060275639
2006-12-07

Redox fuel cell using methanol

#915
20060264322
2006-11-23

Electrocatalyst for oxygen reduction reaction in proton exchange membrane fuel cells

#916
20060264321
2006-11-23

Electrocatalysts for oxygen reduction

#917
20060264319
2006-11-23

Method of preparing electrochemical catalyst for proton exchange membrane fuel cell

#918
20060263288
2006-11-23

Mesoporous carbon and method of producing the same

#919
20060258527
2006-11-16

Carbon monoxide tolerant electrochemical catalyst for proton exchange membrane fuel cell and method of preparing the same

#920
20060257719
2006-11-16

Catalyst for fuel cell electrode

#921
20060257717
2006-11-16

Gas diffusion electrode and method for making same

#922
20060251953
2006-11-09

Photocatalytic methods for preparation of electrocatalyst materials

#923
20060251952
2006-11-09

Platinum-chromium-copper/nickel fuel cell catalyst

#924
20060249378
2006-11-09

Process for the production of a gas diffusion electrode

#925
20060246344
2006-11-02

Supports for fuel cell catalysts

#926
20060240311
2006-10-26

Membrane-electrode unit for direct methanol fuel cells and method for the production thereof

#927
20060239890
2006-10-26

Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst

#928
20060234101
2006-10-19

Solid electrolyte, electrode for fuel cell, film and electrode assembly, method for producing fuel cell and solid electrolyte

#929
20060229194
2006-10-12

Method for manufacturing polymer electrolyte fuel cell

#930
20060216576
2006-09-28

Catalyst materials for fuel cells

#931
20060216564
2006-09-28

CCM composite

#932
20060210864
2006-09-21

Catalyst, electrode, membrane electrode assembly and fuel cell

#933
20060205590
2006-09-14

Method of making a catalyst

#934
20060204810
2006-09-14

Organic fuel cell methods and apparatus

#935
20060199070
2006-09-07

Membrane-electrode assembly, method for preparing the same, and fuel cell system comprising the same

#936
20060199069
2006-09-07

Membrane electrode assembly, method for manufacturing the same, and polymer electrolyte fuel cell

#937
20060194097
2006-08-31

Nano-structured metal-carbon composite for electrode catalyst of fuel cell and process for preparation thereof

#938
20060188774
2006-08-24

Nanowire-based membrane electrode assemblies for fuel cells

#939
20060177728
2006-08-10

Palladium-cobalt particles as oxygen-reduction electrocatalysts

#940
20060172179
2006-08-03

Low platinum fuel cells, catalysts, and method for preparing the same

#941
20060166067
2006-07-27

Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cells

#942
20060154127
2006-07-13

Membrane electrode assembly, production method for the same, and proton-exchange membrane fuel cell

#943
20060141338
2006-06-29

Direct oxidation fuel cell and system operating on concentrated fuel using low oxidant stoichiometry

#944
20060141335
2006-06-29

Platinum and tungsten containing electrocatalysts

#945
20060141334
2006-06-29

Catalyst for fuel cell and electrode using the same

#946
20060135359
2006-06-22

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

#947
20060135357
2006-06-22

Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell

#948
20060134506
2006-06-22

Electrode catalyst for fuel cell

#949
20060134505
2006-06-22

Hydrogen absorption induced metal deposition on palladium and palladium-alloy particles

#950
20060127727
2006-06-15

Polymer electrolyte and fuel cell employing the same

#951
20060121332
2006-06-08

Platinum and tungsten containing electrocatalysts

#952
20060118994
2006-06-08

Substrate-supported process for manufacturing microfibrous fuel cells

#953
20060116285
2006-06-01

Platinum alloy carbon-supported catalysts

#954
20060115711
2006-06-01

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

#955
20060110653
2006-05-25

Alcohol-air fuel cell

#956
20060105225
2006-05-18

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

#957
20060105210
2006-05-18

Direct methanol feed fuel cell and system

#958
20060099489
2006-05-11

Fuel cell electrode and membrane-electrode assembly and fuel cell system

#959
20060099488
2006-05-11

Fuel cell, membrane electrode assembly, catalyst used therefor, and method of producing catalyst

#960
20060099485
2006-05-11

Electrode for fuel cell, fuel cell including the electrode and process for producing the same

#961
20060099484
2006-05-11

Fuel cell for portable radio-electronic equipment

#962
20060099483
2006-05-11

Catalyst for a fuel cell, a method of preparing the same, and a fuel cell system comprising the same

#963
20060099482
2006-05-11

Fuel cell electrode

#964
20060094928
2006-05-04

Fuel cell for microcapsule-type robot and microcapsule-type robot powered by the same

#965
20060094597
2006-05-04

Method for manufacture of noble metal alloy catalysts and catalysts prepared therewith

#966
20060093893
2006-05-04

Membrane electrode assembly for solid polymer electrolyte fuel cell

#967
20060093892
2006-05-04

Catalyst for fuel cell, method for preparing the same, and membrane-electrode assembly and fuel cell system comprising same

#968
20060088741
2006-04-27

Methanol resistant cathodic catalyst for direct methanol fuel cells

#969
20060083970
2006-04-20

Solid oxide fuel cell and method for producing same

#970
20060079393
2006-04-13

Electrode for solid polymer electrolyte fuel cell

#971
20060073966
2006-04-06

Electrocatalysts and processes for producing

#972
20060073370
2006-04-06

Compositions containing modified fullerenes

#973
20060068271
2006-03-30

Method of controlling delivery of fuel to a direct oxidation fuel cell

#974
20060063062
2006-03-23

Catalyst and a method for manufacturing the same

#975
20060063061
2006-03-23

Methanol-tolerant cathode catalyst composite for direct methanol fuel cells

#976
20060058185
2006-03-16

Platinum-copper-nickel fuel cell catalyst

#977
20060057452
2006-03-16

Electrode for fuel cell and fuel cell comprising same

#978
20060051657
2006-03-09

Supported catalyst for fuel cell, method of manufacturing the same, and fuel cell

#979
20060046133
2006-03-02

Direct methanol feed fuel cell and system

#980
20060024535
2006-02-02

CO tolerant catalyst

#981
20060019825
2006-01-26

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

#982
20060019147
2006-01-26

Solid polymer electrolyte fuel cell and method for manufacturing the same

#983
20060016122
2006-01-26

Performance additive for fuel cells

#984
20060014637
2006-01-19

Metal alloy for electrochemical oxidation reactions and method of production thereof

#985
20060014073
2006-01-19

Electrode for fuel cell, fuel cell comprising the same and method for making an electrode

#986
20060008697
2006-01-12

Supported catalyst and fuel cell using the same

#987
20060003215
2006-01-05

Polymer membrane for fuel cell and method of preparing the same

#988
20060003212
2006-01-05

Polymer electrolyte membrane, membrane-electrode assembly, fuel cell system, and method for preparing the membrane-electrode assembly

#989
20060000548
2006-01-05

Method of preparation of bonded polyimide fuel cell package

#990
20050287419
2005-12-29

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

#991
20050272595
2005-12-08

Manufacturing process for fuel cell, and fuel cell apparatus

#992
20050271921
2005-12-08

Membrane-electrode assembly for fuel cell, preparation method, and fuel cell comprising the same

#993
20050260094
2005-11-24

Platinum-ruthenium-palladium fuel cell electrocatalyst

#994
20050255370
2005-11-17

Vapor deposited catalysts and their use in fuel cells

#995
20050255369
2005-11-17

Bonded polyimide fuel cell package

#996
20050238948
2005-10-27

Anode for liquid fuel cell, membrane electrode assembly for liquid fuel cell, and liquid fuel cell

#997
20050238947
2005-10-27

Membrane-electrode assembly for fuel cell and fuel cell system including the same

#998
20050238938
2005-10-27

Membranes for fuel cells

#999
20050238936
2005-10-27

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

#1000
20050234146
2005-10-20

Ion conductive copolymers containing one or more hydrophobic oligomers

#1001
20050233203
2005-10-20

Modified carbon products, their use in fluid/gas diffusion layers and similar devices and methods relating to the same

#1002
20050233183
2005-10-20

Modified carbon products, their use in electrocatalysts and electrode layers and similar devices and methods relating to the same

#1003
20050227138
2005-10-13

Polymer electrolyte fuel cell

#1004
20050227132
2005-10-13

Composite electrolyte membrane, catalyst-coated membrane assembly, membrane-electrode assembly and polymer electrolyte fuel cell

#1005
20050227128
2005-10-13

Fuel cell electrocatalyst of Pt-Zn-Ni/Fe

#1006
20050221141
2005-10-06

Modified carbon products, their use in proton exchange membranes and similar devices and methods relating to the same

#1007
20050221139
2005-10-06

Modified carbon products, their use in bipolar plates and similar devices and methods relating to same

#1008
20050220988
2005-10-06

Depositing metal particles on carbon nanotubes

#1009
20050214629
2005-09-29

Perfluoroalkanesulfonic acids and perfluoroalkanesulfonimides as electrode additives for fuel cells

#1010
20050214610
2005-09-29

Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell

#1011
20050211569
2005-09-29

Electro-catalysts for the oxidation of ammonia in alkaline media

#1012
20050209098
2005-09-22

Carbon supported metal alloy catalysts and method for the manufacturing thereof

#1013
20050208365
2005-09-22

Fuel cell

#1014
20050200040
2005-09-15

Method of preparing membrane electrode assemblies with aerogel supported catalyst

#1015
20050197247
2005-09-08

High utilization supported catalyst compositions with improved resistance to poisoning and corrosion

#1016
20050191437
2005-09-01

Method of forming a catalytic surface comprising at least one of Pt, Pd, Co and Au in at least one of elemental and alloy forms

#1017
20050181271
2005-08-18

Simplified direct oxidation fuel cell system

#1018
20050181269
2005-08-18

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

#1019
20050181268
2005-08-18

Fuel cell electrode employing porous graphite film, membrane-electrode assembly and fuel cell

#1020
20050181252
2005-08-18

Ion conducting polymer membranes

#1021
20050176576
2005-08-11

Fuel reformer and method for producing the same, electrode for use in electrochemical device, and electrochemical device

#1022
20050175878
2005-08-11

Direct hydrogen peroxide fuel cell

#1023
20050172482
2005-08-11

Sheet-like chemical cell, fuel cell and methods for manufacturing thereof

#1024
20050170222
2005-08-04

Full cell electrocatalyst of pt-ni-mn/fe

#1025
20050164074
2005-07-28

Cathode catalyst for fuel cell

#1026
20050153193
2005-07-14

Catalyst for fuel cell

#1027
20050148464
2005-07-07

Method for in situ immobilization of water-soluble nanodispersed metal oxide colloids

#1028
20050148458
2005-07-07

Method for producing electrochemical device

#1029
20050147867
2005-07-07

Electrode structure

#1030
20050143540
2005-06-30

Ion exchange polymer dispersion, process for its production and its use

#1031
20050142428
2005-06-30

Fuel cell and membrane electrode assembly

#1032
20050142282
2005-06-30

Process for making water-repellent electrode

#1033
20050136310
2005-06-23

Hydrogen/hydrogen peroxide fuel cell

#1034
20050120827
2005-06-09

Method of making a catalyst

#1035
20050112451
2005-05-26

Metal oxide-carbon composite catalyst support and fuel cell comprising the same

#1036
20050112450
2005-05-26

Low platinum fuel cell catalysts and method for preparing the same

#1037
20050112435
2005-05-26

Polymer electrolyte membrane and polymer electrolyte fuel cell

#1038
20050106449
2005-05-19

Fuel cell electrocatalyst of Pt-Mn-Co

#1039
20050101481
2005-05-12

Noble metal-containing supported catalyst and a process for its preparation

#1040
20050095494
2005-05-05

Variable catalyst loading based on flow field geometry

#1041
20050089748
2005-04-28

Silicon-based fuel cell electrode structures

#1042
20050089741
2005-04-28

Proton conductive polymer, catalyst composite, electrolyte membrane for fuel cell and fuel cell

#1043
20050089738
2005-04-28

Electrochemical device and methods for energy conversion

#1044
20050075240
2005-04-07

Electrode catalyst for fuel cell and method for production thereof

#1045
20050074664
2005-04-07

Solid oxide fuel cell electrode and method of manufacturing the same

#1046
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

#1047
20050069755
2005-03-31

Fuel cell cathode catalyst

#1048
20050069753
2005-03-31

Hydrous phosphate catalysts with low platinum

#1049
20050064276
2005-03-24

Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same

#1050
20050058870
2005-03-17

Addressing one MEA failure mode by controlling MEA catalyst layer overlap

#1051
20050053826
2005-03-10

Low platinum fuel cell catalysts and method for preparing the same

#1052
20050053822
2005-03-10

Polymer electrolyte membrane having high durability and method for producing the same

#1053
20050048205
2005-03-03

Method of producing thin film or powder array using liquid source misted chemical deposition process

#1054
20050042489
2005-02-24

Laminate useful as a membrane-electrode assembly for fuel cells, production process therefor and a fuel cell provided with the laminate

#1055
20050042487
2005-02-24

Direct methanol feed fuel cell and system

#1056
20050037920
2005-02-17

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

#1057
20050032635
2005-02-10

HCMS carbon capsule, electrocatalysts for fuel cell supported by HCMS carbon capsule, and method of preparing the same

#1058
20050026772
2005-02-03

Manufacturing processes of catalyst layer for fuel cell

#1059
20050025970
2005-02-03

Carbon beads

#1060
20050019649
2005-01-27

Method for manufacturing electrode for fuel cell

#1061
20050014635
2005-01-20

Supported catalysts having a controlled coordination structure and methods for preparing such catalysts

#1062
20050003959
2005-01-06

Electrocatalyst and method of manufacturing the same

#1063
20050003254
2005-01-06

Direct methanol feed fuel cell and system

#1064
20050000318
2005-01-06

Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds

#1065
19233988
2026-05-12

Electrocatalytic method for hydrogen production

#1066
15203083
2017-11-21

Low platinum catalyst and method of preparation

#1067
14632142
2017-02-28

Method for synthesis of functional ceramic materials