ClassID:

213298

H01M4/9091 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Selection of catalytic material Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state

Recent Application in this class:
#1
20260142194
2026-05-21

ELECTROCHEMICAL CATALYST INCLUDING NANO-SILICATE COMPOSITE, MANUFACTURING METHOD THEREFOR, AND ELECTRODE COMPOSITION AND ELECTRODE INCLUDING SAME

#2
20240429494
2024-12-26

PLASMONIC PHOTOELECTRODES FOR PHOTOELECTROCHEMICAL REDOX FLOW BATTERIES

#3
20240372112
2024-11-07

AMBIENT TEMPERATURE LIQUID METAL AIR FLOW BATTERY

#4
20240145733
2024-05-02

CATALYST FOR OER/ORR AND METHODS OF PREPARING THE SAME

#5
20240128474
2024-04-18

METAL CARBIDE CATALYST COMPLEX FOR BIFUNCTIONAL ZINC-AIR BATTERY, CONTAINING BOTH VANADIUM METAL AND DIFFERENT TRANSITION METAL, AND ZINC-AIR BATTERY SYSTEM INCLUDING THE SAME

#6
20240072316
2024-02-29

Battery cell apparatus and system and method of use

#7
20230216065
2023-07-06

PEROVSKITE-TYPE COMPOSITE OXIDE POWDER

#8
20230163316
2023-05-25

CARRIER-FREE OXYGEN REDUCTION CATALYST FOR USE IN LOW-TEMPERATURE FUEL CELLS AND METHOD FOR PRODUCING SAME

#9
20220344675
2022-10-27

Fuel cells, bifunctional catalysts thereof, and preparation methods therefor

#10
20210292924
2021-09-23

Boron-doped copper catalysts for efficient conversion of CO2 to multi-carbon hydrocarbons and associated methods

#11
20200406241
2020-12-31

OXYGEN REDUCTION CATALYST

#12
20200203735
2020-06-25

Method of preparing a catalyst for a fuel cell without a carbon support

#13
20190379059
2019-12-12

Systems and methods for PTNI nanocages

#14
20190020043
2019-01-17

Flow battery that includes redox mediator

#15
20190020031
2019-01-17

Flow battery that includes redox mediator

#16
20180375108
2018-12-27

Carrier-nanoparticle composite, catalyst containing same, and method for producing same

#17
20180358673
2018-12-13

Lithium air battery including negative electrode, positive electrode, nonaqueous lithium ion conductor, and copper ion

#18
20170133689
2017-05-11

Redox active colloidal particles for flow batteries

#19
20170104225
2017-04-13

Process of manufacturing a catalyst-coated membrane-seal assembly

#20
20170018783
2017-01-19

Nitrogen-containing carbon material and process for producing nitrogen-containing carbon material, and slurry, ink, and electrode for fuel cell

#21
20160240861
2016-08-18

Process for the preparation of nitrogen doped carbon nanohorns for oxygen reduction electrocatalysis

#22
20160204442
2016-07-14

MIXED-METAL OXIDE CATALYST LAYER WITH SACRIFICIAL MATERIAL

#23
20160197357
2016-07-07

Process for the synthesis of nitrogen-doped carbon electro-catalyst

#24
20160181621
2016-06-23

Non-PGM cathode catalysts for fuel cell application derived from heat treated heteroatomic amines precursors

#25
20160126581
2016-05-05

Rechargeable nanoelectrofuel electrodes and devices for high energy density flow batteries

#26
20160043408
2016-02-11

Composite for lithium air battery, method of preparing the composite, and lithium air battery employing positive electrode including the composite

#27
20150357652
2015-12-10

Non-PGM catalysts for ORR based on charge transfer organic complexes

#28
20150295248
2015-10-15

Cathode catalysts for fuel cell application derived from polymer precursors

#29
20150263353
2015-09-17

Non-PGM catalyst for ORR based on pyrolysed poly-complexes

#30
20150099207
2015-04-09

Catalyst layer for gas diffusion electrode, method for manufacturing the same, membrane electrode assembly, and fuel cell

#31
20150099183
2015-04-09

Electrodes and electrochemical cells employing metal nanoparticles synthesized via a novel reagent

#32
20140255822
2014-09-11

Polymer-derived catalysts and methods of use thereof

#33
20140234684
2014-08-21

Redox flow battery system including an anode electrode having a subsurface alloy

#34
20140193739
2014-07-10

OXYGEN REDUCTION CATALYST, METHOD FOR PRODUCING THE SAME, AND POLYMER ELECTROLYTE FUEL CELL

#35
20140193730
2014-07-10

Bimetallic Non-PGM Alloys for the Electrooxidation of Gas Fuels in Alkaline Media

#36
20140178790
2014-06-26

Process for producing oxygen reducing catalyst and uses thereof

#37
20140162146
2014-06-12

ELECTRODE FOR LITHIUM-AIR BATTERY CONTAINING POROUS CARBON SUPPORTED BY CATALYST

#38
20140120454
2014-05-01

FUEL CELL ELECTRODE CATALYST AND PRODUCTION PROCESS THEREOF

#39
20140087289
2014-03-27

Particulate carbon catalyst including nitrogen and metal and method for producing the same

#40
20130337997
2013-12-19

Cyclic compound, its metal complex and modified metal complex

#41
20130178360
2013-07-11

NICKEL-BASED ELECTROCATALYTIC PHOTOELECTRODES

#42
20130011764
2013-01-10

Cathode catalyst layer, manufacturing method thereof and membrane electrode assembly

#43
20110015059
2011-01-20

Cyclic compound, its metal complex and modified metal complex

#44
20090075140
2009-03-19

ELECTRODE STRUCTURE OF FUEL CELL

#45
20080312073
2008-12-18

Self supporting structurally engineered non-platinum electrocatalyst for oxygen reduction in fuel cells

#46
20080268314
2008-10-30

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

#47
20080145733
2008-06-19

Fuel Cell

#48
20080118818
2008-05-22

Supports for fuel cell catalysts based on transition metal silicides

#49
20080008920
2008-01-10

Catalyst for a fuel cell, method of preparing the same, and membrane-electrode assembly and fuel cell system including the same

#50
20060008696
2006-01-12

Nanotubular solid oxide fuel cell

#51
20050221163
2005-10-06

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