ClassID:

213243

H01M4/8615 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Porous electrodes Bifunctional electrodes for rechargeable cells

Recent Application in this class:
#1
20260112655
2026-04-23

ATOMICALLY DISPERSED NIOBIUM-BASED ELECTROCATALYSTS FOR METAL-AIR BATTERIES

#2
20260081183
2026-03-19

Non-Woven Pitch-Based Carbon Fiber Electrodes for Low-Cost Redox Flow Battery

#3
20260066325
2026-03-05

ELECTROLYZER FOR SPONTANEOUSLY GENERATING HYDROGEN AND A METHOD FOR IMPLEMENTING SAME

#4
20260058180
2026-02-26

STATIC REDOX BATTERY AND ENERGY STORAGE SYSTEM COMPRISING SAME

#5
20250062381
2025-02-20

RECHARGEABLE AQUEOUS Zn||IS FLOW BATTERY SYSTEM

#6
20240021922
2024-01-18

HIGH AUTONOMY ZINC BATTERIES

#7
20220359884
2022-11-10

Catalyst for air electrode, air electrode including catalyst for air electrode, and air secondary battery including air electrode

#8
20220052422
2022-02-17

Air electrode/separator assembly and metal-air secondary battery

#9
20210336277
2021-10-28

Gas diffusion layer for metal-air battery, method of manufacturing the same, and metal-air battery including the same

#10
20200411879
2020-12-31

LOW COST AIR ELECTRODES

#11
20200321621
2020-10-08

pH-universal aqueous rechargeable hydrogen batteries

#12
20200168915
2020-05-28

Reversible bifunctional air electrode catalyst for rechargeable metal air battery and regenerative fuel cell

#13
20200112054
2020-04-09

Composite cathode and lithium-air battery including the same

#14
20190341200
2019-11-07

YOLK-SHELL STRUCTURES CONTAINING POLYSULFIDE TRAPPING AGENTS, METHODS OF PREPARATION, AND USES THEREOF

#15
20190103643
2019-04-04

Electrochemical cell for use in high temperature metal-air battery

#16
20190051907
2019-02-14

Metal-hydrogen batteries for large-scale energy storage

#17
20180331367
2018-11-15

GAS DIFFUSION LAYER FOR METAL-AIR BATTERY, METHOD OF MANUFACTURING THE SAME, AND METAL-AIR BATTERY INCLUDING THE SAME

#18
20180261870
2018-09-13

Rechargeable electrochemical device for producing electric energy

#19
20180241107
2018-08-23

Air-breathing aqueous sulfur rechargeable batteries

#20
20180233792
2018-08-16

Electrochemical cell for use in high temperature metal-air battery

#21
20180226632
2018-08-09

Semi-solid flow Li/O2 battery

#22
20180219240
2018-08-02

Redox flow battery with carbon dioxide based redox couple

#23
20180108917
2018-04-19

Electrode mixture layer composition for nonaqueous electrolyte secondary battery, manufacturing method thereof and use therefor

#24
20180097240
2018-04-05

MESOPOROUS CARBON MATERIALS COMPRISING BIFUNCTIONAL CATALYSTS

#25
20180055976
2018-03-01

Method of using chemical reaction transparency of graphene

#26
20180040903
2018-02-08

Electrode for electrochemical cells and composition thereof

#27
20180019491
2018-01-18

Hydrogen oxidation and generation over carbon films

#28
20170294669
2017-10-12

Membrane electrode assembly

#29
20170237106
2017-08-17

Battery system

#30
20170207464
2017-07-20

OXYGEN ELECTRODE AND A METHOD OF MANUFACTURING THE SAME

#31
20170187042
2017-06-29

Reversible fuel cell oxygen electrode, reversibli fuel cell including the same, and method for preparing the same

#32
20170005351
2017-01-05

Hydrogen oxidation and generation over carbon films

#33
20160344081
2016-11-24

Lithium air battery and method of manufacturing the same

#34
20160322645
2016-11-03

SINGLE LAYER AIR ELECTRODE AND PROCESSES FOR THE PRODUCTION THEREOF

#35
20160308220
2016-10-20

Reversible bifunctional air electrode catalyst for rechargeable metal air battery and regenerative fuel cell

#36
20160293963
2016-10-06

OXYGEN-VANADIUM REDOX FLOW BATTERY WITH VANADIUM ELECTROLYTE HAVING CARBON PARTICLES DISPERSED THEREIN

#37
20160156082
2016-06-02

METAL-AIR ELECTROCHEMICAL CELL WITH HIGH ENERGY EFFICIENCY MODE

#38
20160111730
2016-04-21

Current collector-catalyst monolithic three-dimensional nanofiber network for Li-air batteries and manufacturing method thereof

#39
20160093890
2016-03-31

Zinc electrodes for batteries

#40
20150354072
2015-12-10

Barrier layer for corrosion protection in electrochemical devices

#41
20150349325
2015-12-03

BI-FUNCTIONAL ELECTRODE FOR METAL-AIR BATTERIES AND METHOD FOR PRODUCING SAME

#42
20150340709
2015-11-26

Graphite-containing electrode and method related thereto

#43
20150325874
2015-11-12

Redox flow battery system and method of controlling it

#44
20150280247
2015-10-01

PROCESS FOR PRODUCING A CARBON-SUPPORTED NICKEL-COBALT-OXIDE CATALYST AND ITS USE IN RECHARGEABLE ELECTROCHEMICAL METAL-OXYGEN CELLS

#45
20150255800
2015-09-10

Mesoporous carbon materials comprising bifunctional catalysts

#46
20150200431
2015-07-16

Gas-shield-electrode and composite bifunctional air-electrode using the same for use in metal-air batteries

#47
20150180043
2015-06-25

Method of manufacturing fuel cell anode

#48
20150141666
2015-05-21

Low cost synthesis of single material bifunctional nonprecious catalyst for electrochemical devices

#49
20150111133
2015-04-23

Method for producing a storage structure of an electrical energy storage cell

#50
20150017494
2015-01-15

Redox flow battery for hydrogen generation

#51
20150010833
2015-01-08

Electrically rechargeable, metal anode cell and battery systems and methods

#52
20140255803
2014-09-11

GRAPHENE SUPPORTED BIFUNCTIONAL CATALYSTS

#53
20140045081
2014-02-13

BIFUNCTIONAL ELECTRODE DESIGN AND METHOD OF FORMING SAME

#54
20140045079
2014-02-13

Metal/oxygen battery with modified electrode

#55
20140030612
2014-01-30

Metal/oxygen battery with growth promoting structure

#56
20140023939
2014-01-23

Core-shell structured bifunctional catalysts for metal air battery/fuel cell

#57
20140011119
2014-01-09

Method of manufacturing fuel cell anode

#58
20130273446
2013-10-17

Hydrogen oxidation and generation over carbon films

#59
20130143132
2013-06-06

Air electrode for metal-air battery and metal-air battery provided with same

#60
20130101907
2013-04-25

Metal air secondary battery

#61
20130034784
2013-02-07

Electrochemical battery

#62
20120295181
2012-11-22

Benzoxazine-based monomer, polymer thereof, electrode for fuel cell including the same, electrolyte membrane for fuel cell including the same, and fuel cell using the same

#63
20120178002
2012-07-12

ELECTRODES AND PRODUCTION AND USE THEREOF

#64
20120074908
2012-03-29

Dual-function air cathode nanoarchitectures for metal-air batteries with pulse-power capability

#65
20120040254
2012-02-16

Bifunctional (rechargeable) air electrodes comprising a corrosion-resistant outer layer and conductive inner layer

#66
20120034520
2012-02-09

Self-sealed metal electrode for rechargeable oxide-ion battery cells

#67
20110274988
2011-11-10

Batteries, fuel cells, and other electrochemical devices

#68
20110250512
2011-10-13

Metal-air electrochemical cell with high energy efficiency mode

#69
20110236799
2011-09-29

MANUFACTURING METHODS FOR AIR ELECTRODE

#70
20110223494
2011-09-15

Mesoporous carbon materials comprising bifunctional catalysts

#71
20110027666
2011-02-03

METAL-AIR BATTERY WITH ION EXCHANGE MATERIALS

#72
20110027665
2011-02-03

AIR ELECTRODE WITH BINDER MATERIALS AND MANUFACTURING METHODS FOR AIR ELECTRODE

#73
20110027664
2011-02-03

METAL-AIR BATTERY WITH IMPROVED ENVIRONMENTAL STABILITY

#74
20100190084
2010-07-29

SINGLE FUEL CELL

#75
20100140569
2010-06-10

Synthesis for catalysis of bifunctional perovskite compound

#76
20100092807
2010-04-15

Magnetic current collector

#77
20090081500
2009-03-26

FUEL CELL UTILIZING AMMONIA, ETHANOL OR COMBINATIONS THEREOF

#78
20090075148
2009-03-19

Benzoxazine-based monomer, polymer thereof, electrode for fuel cell including the same, electrolyte membrane for fuel cell including the same, and fuel cell using the same

#79
20090035625
2009-02-05

HYDROGEN FUEL CELL WITH INTEGRATED REFORMER

#80
20080075842
2008-03-27

Processes, Framed Membranes and Masks for Forming Catalyst Coated Membranes and Membrane Electrode Assemblies

#81
20080050578
2008-02-28

Beam insulating material

#82
20070054160
2007-03-08

Method and apparatus for maintaining high voltage in a fuel cell

#83
20070042242
2007-02-22

Fuel electrode of solid polymer electrolyte fuel cell

#84
20070011973
2007-01-18

Building block and system for manufacture

#85
20060280996
2006-12-14

Electrode having macropores and micropores therein

#86
20060178260
2006-08-10

Gold-based alloy nanoparticles for use in fuel cell catalysts

#87
20060108214
2006-05-25

Load leveling and electrolysis system