ClassID:

213256

H01M2004/8684 - page 2 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity Negative electrodes

Recent Application in this class:
#301
20070238009
2007-10-11

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

#302
20070237991
2007-10-11

Au-Pt heteroaggregate dendritic nanostructures and Au-Pt alloy nanoparticles and their use as catalysts

#303
20070231466
2007-10-04

Method for Catalytic Surface Protection

#304
20070122690
2007-05-31

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

#305
20070099065
2007-05-03

Current collection in anode supported tubular fuel cells

#306
20070099064
2007-05-03

Formic acid fuel cells and catalysts

#307
20070082804
2007-04-12

Method of making metal-polymer composite catalysts

#308
20070082253
2007-04-12

Metal-polymer composite catalysts

#309
20070077465
2007-04-05

Fuel cell

#310
20070071669
2007-03-29

Potatolike shaped graphite particles with low impurity rate at the surface, process for preparing same

#311
20070065686
2007-03-22

Direct carbon fueled solid oxide fuel cell or high temperature battery

#312
20070062821
2007-03-22

Porous electroconductive material and process for production thereof; electrode and process for production thereof; fuel cell and process for production thereof; and electronic instrument, mobile machine, electric power generating system, cogeneration system, and electrode reaction-based apparatus

#313
20070054160
2007-03-08

Method and apparatus for maintaining high voltage in a fuel cell

#314
20070048577
2007-03-01

SCALABLE MICROBIAL FUEL CELL WITH FLUIDIC AND STACKING CAPABILITIES

#315
20070048555
2007-03-01

Oxidation facilitator

#316
20070042260
2007-02-22

Fuel cell

#317
20070042242
2007-02-22

Fuel electrode of solid polymer electrolyte fuel cell

#318
20070039372
2007-02-22

Hydrogen permeable protective coating for a catalytic surface

#319
20060251950
2006-11-09

Solid-state direct methanol thin film fuel cell

#320
20060228468
2006-10-12

Process for producing an electrode

#321
20060205590
2006-09-14

Method of making a catalyst

#322
20060204830
2006-09-14

Molten carbonate fuel cell

#323
20060204829
2006-09-14

Solid oxide fuel cell

#324
20060154126
2006-07-13

Fuel cells including biocompatible membranes and metal anodes

#325
20060147789
2006-07-06

Gas blocking anode for a direct liquid fuel cell

#326
20060141338
2006-06-29

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

#327
20060127747
2006-06-15

Ceramic and alloy anode solid oxide fuel cell

#328
20060083979
2006-04-20

Anode material for a high temperature fuel cell

#329
20060083970
2006-04-20

Solid oxide fuel cell and method for producing same

#330
20060078783
2006-04-13

Gas blocking anode for a direct liquid fuel cell

#331
20060073370
2006-04-06

Compositions containing modified fullerenes

#332
20060068270
2006-03-30

Solid polymer electrolyte fuel battery cell and fuel battery using same

#333
20060051657
2006-03-09

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

#334
20060051629
2006-03-09

Fuel cell system and shutdown method for a fuel cell system

#335
20060029857
2006-02-09

Carbon aerogel and xerogel fuels for fuel cells and batteries

#336
20060019132
2006-01-26

Liquid anode electrochemical cell

#337
20050266297
2005-12-01

Perovskite-based fuel cell electrode and membrane

#338
20050260094
2005-11-24

Platinum-ruthenium-palladium fuel cell electrocatalyst

#339
20050244693
2005-11-03

Metastable ceramic fuel cell and method of making the same

#340
20050238932
2005-10-27

Fuel cell power source, method of operating thereof and portable electronic equipment

#341
20050221163
2005-10-06

Nickel foam and felt-based anode for solid oxide fuel cells

#342
20050208365
2005-09-22

Fuel cell

#343
20050175887
2005-08-11

Fuel electrode for solid electrolyte fuel cells and a method for manufacture of the electrode

#344
20050142433
2005-06-30

Fuel cell and production method thereof

#345
20050136309
2005-06-23

Palladium-based electrocatalysts and fuel cells employing such electrocatalysts

#346
20050120827
2005-06-09

Method of making a catalyst

#347
20050095496
2005-05-05

Fuel cell

#348
20050095355
2005-05-05

Method for preparing membranes and membrane electrode assemblies with hydrogen peroxide decomposition catalyst

#349
20050074658
2005-04-07

Fuel cells with applied stress and methods of implementing the same

#350
20050069756
2005-03-31

High temperature fuel cell

#351
20050058882
2005-03-17

Anode for liquid fuel cell

#352
20050050991
2005-03-10

Method for manufacturing Ni-Al alloy anode for fuel cells using nickel powders

#353
20050042499
2005-02-24

Basic fuel cell element limiting methanol crossing through the electrolyte

#354
20050008926
2005-01-13

Electrode for fuel cell

#355
20050003262
2005-01-06

SOLID-STATE FUEL CELL AND RELATED METHOD OF MANUFACTURE

#356
18849370
2025-06-03

Fuel cell electrode, catalyst-coated membrane, fuel cell, and method for producing the fuel cell electrode and catalyst-coated membrane

#357
17577569
2023-06-20

CObased and hydrogen based compounds for redox flow battery

#358
17566292
2023-08-15

Advanced selectively gas permeable anode flow field design for efficient removal of carbon dioxide in a fuel cell

#359
16428803
2022-10-18

Polyaromatic electrolytes for alkaline membrane fuel cells

#360
16246301
2022-10-11

Subsurface electrical storage batteries

#361
15905573
2022-01-25

Advanced selectively gas permeable anode flow field design for efficient removal of carbon dioxide in a direct formic acid fuel cell