ClassID:

213615

H01M8/109 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Fuel cells with solid electrolytes characterised by the electrolyte material; Polymeric electrolyte materials characterised by the manufacturing processes; After-treatment of the membrane other than by polymerisation thermal other than drying, e.g. sintering

Recent Application in this class:
#1
20250379247
2025-12-11

MULTILAYERED ANION EXCHANGE MEMBRANE WITH ENHANCED INTERFACE PROPERTIES FOR ELECTROCHEMICAL DEVICES

#2
20250364577
2025-11-27

CARBON-BASED CARRIER FOR FUEL CELL CATALYST, CATALYST COMPRISING SAME, MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME, AND METHOD FOR PREPARING SAME

#3
20250192214
2025-06-12

MEMBRANE ELECTRODE ASSEMBLY, POLYMER ELECTROLYTE FUEL CELL, METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR MANUFACTURING POLYMER ELECTROLYTE FUEL CELL

#4
20250065297
2025-02-27

METHODS FOR SELF-SEEDED HYDROTHERMAL GROWTH OF MFI ZEOLITE NANOSHEETS AND NANOSHEET ASSEMBLIES AND FOR TILING NANOSHEET ZEOLITE PLATES ON POLYMER SUPPORTS

#5
20240278227
2024-08-22

ALIPHATIC ANION EXCHANGE POLYMERS

#6
20240178425
2024-05-30

Ionomer for Fuel Cell Capable of Self-Assembly and Method of Preparing the Same

#7
20230253597
2023-08-10

METHOD FOR PRODUCTION AND PROCESSING OF A FRAMED PROTON-CONDUCTING MEMBRANE

#8
20230032073
2023-02-02

Electrochemical Installation Operating at High Temperature and Associated Process

#9
20220416259
2022-12-29

CARBON-BASED CARRIER FOR FUEL CELL CATALYST, CATALYST COMPRISING SAME, MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME, AND METHOD FOR PREPARING SAME

#10
20220302488
2022-09-22

POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PREPARING THE MEMBRANE AND FUEL CELL COMPRISING THE MEMBRANE

#11
20220278346
2022-09-01

Zipped ion-exchange membrane

#12
20220231308
2022-07-21

WET SPRAYED COATINGS FOR INTERCONNECTS FOR SOEC AND SOFC

#13
20220200032
2022-06-23

Method for manufacturing electrolyte membrane for fuel cells and electrolyte membrane manufactured by the same

#14
20220131169
2022-04-28

Heat treatment apparatus of MEA for fuel cell

#15
20220045345
2022-02-10

Electrolyte membrane for redox flow battery, redox flow battery, and method for producing electrolyte membrane

#16
20210336285
2021-10-28

Electrolyte membrane of a membrane-electrode assembly having improved chemical durability and a manufacturing method thereof

#17
20210001577
2021-01-07

Post-processing method for polymer electrolyte membrane

#18
20200303749
2020-09-24

Method of making copper electrode

#19
20200259189
2020-08-13

Separator for fuel cell, method of fabricating the same, and fuel cell electrode assembly

#20
20200203745
2020-06-25

Electrolyte membrane of a membrane-electrode assembly having improved chemical durability and a manufacturing method thereof

#21
20200153020
2020-05-14

Scandia-stabilized zirconia powder for solid oxide fuel cells, method for producing same, scandia-stabilized zirconia sintered body for solid oxide fuel cells, method for producing said scandia-stabilized zirconia sintered body for solid oxide fuel cells, and solid oxide fuel cell

#22
20200153017
2020-05-14

Heat treatment apparatus of MEA for fuel cell

#23
20200144653
2020-05-07

Electrochemical Reactors with Fluid Dispersing Components

#24
20190334189
2019-10-31

Method for manufacturing electrolyte membrane for fuel cells and electrolyte membrane manufactured by the same

#25
20190267655
2019-08-29

Electrolyte membrane and method for producing same

#26
20180323459
2018-11-08

Catalyst coated membranes and preparation methods for fuel cells

#27
20180175407
2018-06-21

Heat treatment method for membrane electrode assembly for fuel cell

#28
20170179497
2017-06-22

Structures and preparation methods for catalyst coated membranes for fuel cells

#29
20160380296
2016-12-29

Composite membranes, methods of making same, and applications of same

#30
20160308231
2016-10-20

COMPOSITE FILM FOR ELECTROCHEMICAL ELEMENT

#31
20160172701
2016-06-16

Method for preparing a composite membrane

#32
20150202617
2015-07-23

Method for producing ionic polymer membrane

#33
20150200412
2015-07-16

Electrolyte membrane for polymer electrolyte fuel cell, process for its production and membrane-electrode assembly for polymer electrolyte fuel cell

#34
20150197604
2015-07-16

MONOMER BEADS FOR PRODUCING A PROTON-CONDUCTING MEMBRANE

#35
20140349213
2014-11-27

Composite membranes, methods of making same, and applications of same

#36
20140342271
2014-11-20

Micromold methods for fabricating perforated substrates and for preparing solid polymer electrolyte composite membranes

#37
20140141357
2014-05-22

Low equivalent weight polymers

#38
20130095409
2013-04-18

Method for conditioning membrane-electrode-units for fuel cells

#39
20120252909
2012-10-04

Method for mechanical stabilization of nitrogen-containing polymers

#40
20120141915
2012-06-07

Process for the preparation of sol-gel modified alternative Nafion-Silica composite membrane useful for polymer electrolyte fuel cell

#41
20120007263
2012-01-12

Monomer beads for producing a proton-conducting membrane

#42
20110318671
2011-12-29

Proton-conducting membrane and use thereof

#43
20110311901
2011-12-22

MECHANICALLY STABILIZED POLYAZOLES

#44
20110294031
2011-12-01

COMPOSITE MEMBRANE AND FUEL CELL

#45
20110262832
2011-10-27

ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL, PROCESS FOR ITS PRODUCTION AND MEMBRANE-ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL

#46
20110189575
2011-08-04

METHOD FOR MANUFACTURING POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL

#47
20110052798
2011-03-03

CCM composite

#48
20100266927
2010-10-21

Method for manufacturing a membrane-electrode assembly, with folding process

#49
20100203419
2010-08-12

Process For Producing Solid Polymer Electrolyte Membrane, and Solid Polymer Electrolyte Membrane

#50
20100173222
2010-07-08

Solid polymer fuel cell-purpose electrolyte membrane, production method therefor, and membrane-electrode assembly

#51
20100068585
2010-03-18

Long-life membrane electrode assemblies with gasket and frame

#52
20100065490
2010-03-18

ION-PERMEABLE MEMBRANE AND THE PRODUCTION THEREOF

#53
20090274944
2009-11-05

METHOD FOR PRODUCING POLYMER ELECTROLYTE MEMBRANE, POLYMER ELECTROLYTE MEMBRANE AND DIRECT METHANOL FUEL CELL

#54
20090068528
2009-03-12

HEAT TREATMENT OF PERFLUORINATED IONOMERIC MEMBRANES

#55
20080292964
2008-11-27

Perfluorinated membranes and improved electrolytes for redox cells and batteries

#56
20080268321
2008-10-30

Membrane-Electrode Units and Fuel Cells Having a Long Service Life

#57
20080233454
2008-09-25

Ion/electron-conducting composite polymer membrane, manufacturing processes thereof and planar fuel cell core comprising it

#58
20080176110
2008-07-24

Fuel cell with proton exchange membrane bonded to acrylic plastic element

#59
20080167177
2008-07-10

FUEL EFFICIENT MEMBRANE ELECTRODE ASSEMBLY

#60
20080057358
2008-03-06

Proton-conducting membrane and use thereof

#61
20080050514
2008-02-28

Proton-conducting membrane and the use thereof

#62
20080020254
2008-01-24

POLYMER ELECTROLYTE MEMBRANE HAVING IMPROVED DIMENSIONAL STABILITY

#63
20070218334
2007-09-20

Methods for making sulfonated non-aromatic polymer electrolyte membranes

#64
20070104994
2007-05-10

Electrolyte membrane for polymer electrolyte fuel cell, process for its production and membrane-electrode assembly for polymer electrolyte fuel cell

#65
20070087262
2007-04-19

Membrane-electrode assembly for fuel cell, method for manufacturing the same, and fuel cell system using the membrane-electrode assembly

#66
20070026291
2007-02-01

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

#67
20070026282
2007-02-01

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

#68
20060292413
2006-12-28

Fuel cell and method for producing same

#69
20060280981
2006-12-14

Polymer electrolyte membrane having an improved dimensional stability

#70
20060275637
2006-12-07

ELECTROLYTE MEMBRANE AND PREPARING METHOD THEREOF

#71
20060263660
2006-11-23

Proton conductive membrane, method for producing same, and fuel cell comprising same

#72
20060216564
2006-09-28

CCM composite

#73
20060079392
2006-04-13

Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cells

#74
20050148458
2005-07-07

Method for producing electrochemical device

#75
20050112448
2005-05-26

Fuel cell, fuel cell electrode and method for fabricating the same

#76
20050095487
2005-05-05

Polymer electrolyte membrane and method of making

#77
20050084741
2005-04-21

Self-hydrating membrane electrode assemblies for fuel cells

#78
16049449
2018-12-11

Method of making a nanocomposite polyelectrolyte membrane