ClassID:

213268

H01M4/8832 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Processes of manufacture; Methods for deposition of the catalytic active composition; Coating with slurry or ink Ink jet printing

Recent Application in this class:
#1
20250357494
2025-11-20

PRINTED LITHIUM FOIL AND FILM

#2
20250125325
2025-04-17

SYSTEMS AND METHODS FOR ELECTRODE MANUFACTURING

#3
20240379982
2024-11-14

SOLID OXIDE FUEL CELLS WITH 3D INKJET-PRINTED MICROSTRUCTURES AND METHOD FOR FABRICATING THE SAME

#4
20240372111
2024-11-07

CATALYST-COATED MEMBRANE AND METHOD OF MANUFACTURE

#5
20240234746
2024-07-11

Porous Electrode

#6
20220376268
2022-11-24

HIGH-PERFORMANCE MEMBRANE ELECTRODE UNIT AND THE USE THEREOF IN FUEL CELLS

#7
20210384521
2021-12-09

Method for producing a composite layer, electrochemical unit and use of the composite layer

#8
20210273266
2021-09-02

Energy storage device

#9
20210273241
2021-09-02

Energy storage device

#10
20210135251
2021-05-06

Compliant contact material for fuel cells and method of making thereof

#11
20210116411
2021-04-22

ELECTROCHEMICAL GAS SENSOR

#12
20210069786
2021-03-11

System and method for integrated deposition and heating

#13
20200303749
2020-09-24

Method of making copper electrode

#14
20200259186
2020-08-13

Methods of Making Gas Producer

#15
20200144647
2020-05-07

Method and system for making a fuel cell

#16
20200144646
2020-05-07

Method of making a fuel cell and treating a component thereof

#17
20200144627
2020-05-07

Method of Making Channeled Electrodes

#18
20200014033
2020-01-09

PRINTED LITHIUM FOIL AND FILM

#19
20190207227
2019-07-04

Aqueous ink compositions

#20
20190094171
2019-03-28

Method of forming electrochemical gas sensor

#21
20180026273
2018-01-25

Method and device for modifying catalyst layer

#22
20160359173
2016-12-08

Method for producing core-shell catalyst particles

#23
20160329586
2016-11-10

FUEL CELL STACK ASSEMBLY AND METHOD OF ASSEMBLY

#24
20160301082
2016-10-13

ABRASION RESISTANT SOLID OXIDE FUEL CELL ELECTRODE INK

#25
20150346135
2015-12-03

Electrochemical gas sensor

#26
20140322617
2014-10-30

Printed biofuel cells

#27
20140315121
2014-10-23

METHOD FOR THE PREPARATION OF CATALYST-COATED MEMBRANES METHOD FOR THE PREPARATION OF CATALYST-COATED MEMBRANES

#28
20140272114
2014-09-18

Abrasion resistant solid oxide fuel cell electrode ink

#29
20140127605
2014-05-08

PEMFC ELECTRODE STRUCTURING

#30
20140120457
2014-05-01

Laminar structure and a production method for same

#31
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

#32
20120321995
2012-12-20

System and Method for Selective Deposition of A Catalyst Layer for PEM Fuel Cells Utilizing Inkjet Printing

#33
20120208106
2012-08-16

Catalyst ink preparation for fuel cell electrode fabrication

#34
20100330463
2010-12-30

Process for preparing of a catalyst solution for fuel cell and a membrane electrode assembly using the same

#35
20100304269
2010-12-02

Electrode For Fuel Cell And Method Of Preparing The Same And Membrane Electrode Assembly And Fuel Cell Comprising The Same

#36
20090272645
2009-11-05

Corrosion resistant gas diffusion layer with a micro protective layer for electrochemical cells

#37
20090095409
2009-04-16

Methods of manufacturing electrochemical cells

#38
20090074956
2009-03-19

INKJET PRINTING OF MATERIALS FOR USE IN FUEL CELLS

#39
20090047561
2009-02-19

METHOD OF MAKING FUEL CELL DIFFUSION LAYER AND FUEL CELL DIFFUSION LAYER

#40
20080286632
2008-11-20

Membrane Electrode Assemblies for Polymer Electrolyte Hydrogen and Direct Methanol Fuel Cells and Methods for Their Production

#41
20080063922
2008-03-13

Electro-catalyst composition, fuel cell electrode, and membrane-electrode assembly

#42
20080038623
2008-02-14

High-performance membrane electrode unit and the use thereof in fuel cells

#43
20080009409
2008-01-10

Electrocatalyst inks for fuel cell applications

#44
20070215039
2007-09-20

ROLL-TO-ROLL MANUFACTURING OF ELECTRONIC AND OPTICAL MATERIALS

#45
20060292434
2006-12-28

Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells

#46
20060269824
2006-11-30

Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells

#47
20060172168
2006-08-03

Deposited structures

#48
20060166057
2006-07-27

Method of making nanoparticulates and use of the nanoparticulates to make products using a flame reactor

#49
20060165910
2006-07-27

Processes for forming nanoparticles

#50
20060165898
2006-07-27

Controlling flame temperature in a flame spray reaction process

#51
20060162497
2006-07-27

Processes for forming nanoparticles in a flame spray system

#52
20060114643
2006-06-01

Particles based electrodes and methods of making same

#53
20050272595
2005-12-08

Manufacturing process for fuel cell, and fuel cell apparatus

#54
20050181120
2005-08-18

Composition for forming a functional material layer, method for forming a functional material layer, and method for manufacturing a fuel cell, as well as electronic device and automobile

#55
20050175784
2005-08-11

Method of manufacturing fuel cell

#56
14973340
2017-01-31

Refractive gradient inkjet printing