ClassID:

213591

H01M8/1034 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Fuel cells with solid electrolytes characterised by the electrolyte material; Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having phosphorus, e.g. sulfonated polyphosphazenes [S-PPh]

Recent Application in this class:
#1
20260121095
2026-04-30

Advanced Ion Exchange Membranes And Applications Thereof

#2
20260074253
2026-03-12

MEMBRANE-ELECTRODE ASSEMBLY FOR HIGH-TEMPERATURE POLYMER ELECTROLYTE MEMBRANE FUEL CELL IN CATALYST-COATED MEMBRANE FORM AND METHOD FOR MANUFACTURING SAME

#3
20250372671
2025-12-04

FUEL CELL SYSTEM HAVING HYDROGEN SEPARATION AND HYDROGEN REGENERATION CAPABILITY

#4
20250233183
2025-07-17

HYDROCARBON-BASED DYNAMIC COVALENT POLYMER ELECTROLYTE AND A FUEL CELL INCLUDING THE SAME

#5
20250125395
2025-04-17

METAL FLUORIDE-FUNCTIONALIZED PROTON EXCHANGE SOLID SUPPORTS, MEMBRANES, AND IONOMERS

#6
20250118784
2025-04-10

Membrane Electrode Assembly for High Temperature PEM Fuel Cells and Water Electrolysis

#7
20250002510
2025-01-02

MULTIFUNCTIONAL FLUORINATED PHOSPHOROUS COMPOUNDS, METHODS OF MAKING, AND ARTICLES AND USES THEREOF

#8
20240343665
2024-10-17

CYCLOOCTENE-BENZOPHENONE MONOMER, AS WELL AS CATIONIC POLYMER, CROSS-LINKED POLYELECTROLYTE, COMPOSITE MATERIAL, MEMBRANE, ELECTRODE AND ELECTROCHEMICAL DEVICE, E.G. ELECTROLYZER, PREPARED THEREFROM

#9
20240218138
2024-07-04

NOVEL PHOSPHONATED FLUOROELASTOMERS (PFKMS), PHOSPHONATED PERFLUOROELASTOMERS (PFFKMS), THEIR PROCESS OF PREPARATION AND USE IN ELECTROMEMBRANE APPLICATIONS

#10
20220376268
2022-11-24

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

#11
20220293988
2022-09-15

Cesium-deficient cesium phosphates for proton conducting electrolytes

#12
20220166044
2022-05-26

Electrolyte membrane for membrane-electrode assembly including self-assembled block copolymer

#13
20210376366
2021-12-02

Nitrogen-doped phosphoric acid fuel cell electrolyte

#14
20210005912
2021-01-07

Electrolyte membrane

#15
20190173116
2019-06-06

MEMBRANELESS DIRECT-TYPE FUEL CELLS

#16
20180265634
2018-09-20

Solid electrolyte for an electrochemical generator

#17
20180251592
2018-09-06

Block polymer and polymer electrolyte membrane including same

#18
20180131027
2018-05-10

FLEXIBLE INORGANIC FUEL CELL MEMBRANE

#19
20170267823
2017-09-21

Anion exchange resin, electrolyte membrane for fuel cell, binder for forming electrode catalyst layer, battery electrode catalyst layer and fuel cell

#20
20170266652
2017-09-21

Functionalized main chain polymers

#21
20170170505
2017-06-15

PHOSPHONIC ACID-CONTAINING BLENDS AND PHOSPHONIC ACID-CONTAINING POLYMERS

#22
20170149080
2017-05-25

Phosphonium cations and polymers incorporating them

#23
20170114196
2017-04-27

COMBINED MATERIAL SYSTEM FOR ION EXCHANGE MEMBRANES AND THEIR USE IN ELECTROCHEMICAL PROCESSES

#24
20160340460
2016-11-24

Sulfonated polyphosphazene copolymer proton exchange membrane material and method for preparing such membrane

#25
20160308230
2016-10-20

Copolymers comprising crosslinkable protogenic groups which can be used to constitute fuel cell membranes

#26
20160181642
2016-06-23

Polymer electrolyte and preparation method thereof

#27
20150311557
2015-10-29

Polymer, a method of preparing the same, composite prepared from the polymer, and electrode and composite membrane each including the polymer or the composite

#28
20150214563
2015-07-30

Reinforced composite electrolyte membrane for fuel cell

#29
20150094446
2015-04-02

Sulfonic acid group-containing polymer, sulfonic acid group-containing aromatic compound and method of making the same, as well as polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell using the same

#30
20150072252
2015-03-12

Fuel cell membrane

#31
20150037708
2015-02-05

Polymer, electrolyte membrane and electrode for a fuel cell, each including the polymer, fuel cell including at least one of the electrolyte membrane, and the electrode

#32
20140221509
2014-08-07

Highly basic ionomers and membranes and anion/hydroxide exchange fuel cells comprising the ionomers and membranes

#33
20140213672
2014-07-31

PHOSPHONIC ACID-CONTAINING BLENDS AND PHOSPHONIC ACID-CONTAINING POLYMERS

#34
20140194581
2014-07-10

Polymer, a method of preparing the same, composite prepared from the polymer, and electrode and composite membrane each including the polymer or the composite

#35
20130296499
2013-11-07

Ionomers and methods of making same and uses thereof

#36
20130177834
2013-07-11

Polymer electrolyte and preparation method thereof

#37
20120264909
2012-10-18

Phosphorous containing benzoxazine-based monomer, or polymer thereof

#38
20120251921
2012-10-04

Phosphorus containing benzoxazine-based monomer, polymer thereof, electrode for fuel cell including the polymer, electrolyte membrane for fuel cell including the polymer, and fuel cell using the electrode

#39
20120214882
2012-08-23

Poly(perfluorocyclobutane) ionomer with phosphonic acid groups for high temperature fuel cells

#40
20120202129
2012-08-09

CROSSLINKED OR NON-CROSSLINKED AROMATIC (CO)POLYMERS AS PROTON CONDUCTORS FOR USE IN HIGH TEMPERATURE PEM FUEL CELLS

#41
20120141908
2012-06-07

Membrane electrode assembly and fuel cells with improved lifetime

#42
20120119410
2012-05-17

Highly basic ionomers and membranes and anion/hydroxide exchange fuel cells comprising the ionomers and membranes

#43
20120004330
2012-01-05

Functionalized main chain polymers

#44
20110281200
2011-11-17

Compound and composition including compound, with fuel cell, fuel cell electrode and fuel cell electrolyte membrane using same

#45
20110237690
2011-09-29

Highly basic ionomers and membranes and anion/hydroxide exchange fuel cells comprising the ionomers and membranes

#46
20110229797
2011-09-22

Sulfonated-Perfluorocyclobutane Polyelectrolyte Membranes for Fuel Cells

#47
20110227006
2011-09-22

Acidic ion exchange membrane and method for making and using the same

#48
20110200907
2011-08-18

Ion conductive resin fiber, ion conductive hybrid membrane, membrane electrode assembly and fuel cell

#49
20110184076
2011-07-28

FULLERENE COMPOSITE MEMBRANES FOR DIRECT METHANOL FUEL CELL

#50
20110178190
2011-07-21

Comb polymers for supramolecular nanoconfinement

#51
20110172317
2011-07-14

Sulfonated polyarylene compounds, membrane material made therefrom, method for the production thereof and use

#52
20110159405
2011-06-30

Hydrophilic Polyelectrolyte Membranes Containing Poly(Vinyl Acetate) and Poly(Vinyl Alcohol)

#53
20110014544
2011-01-20

Proton exchange polymer membrane using surface treatment technique based on direct fluorination, membrane-electrode assembly, and fuel cell comprising the same

#54
20100330454
2010-12-30

POLYMER ELECTROLYTE COMPOSITION

#55
20100216051
2010-08-26

Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells

#56
20100209805
2010-08-19

MEMBRANE ELECTRODE ASSEMBLY HAVING PROTECTIVE BARRIER LAYER AND METHOD FOR MITIGATING MEMBRANE DECAY

#57
20100197816
2010-08-05

High temperature stable polyelectrolytes having backbone aromatic groups

#58
20100196786
2010-08-05

Composite for fuel cell membrane based on organomodified inorganic particles and method for preparing same

#59
20100178582
2010-07-15

Ionic layer with oxygen evolution reaction catalyst for electrode protection

#60
20100168346
2010-07-01

Sulfonated Poly (Arylene Ether) Containing Crosslinkable Moiety at End Group, Method of Manufacturing the Same, and Polymer Electrolyte Membrane Using the Sulfonated Poly (Arylene Ether) and the Method

#61
20100159353
2010-06-24

POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL

#62
20100137460
2010-06-03

ELECTROCHEMICAL DEVICES CONTAINING ANIONIC-EXCHANGE MEMBRANES AND POLYMERIC IONOMERS

#63
20100068592
2010-03-18

Electrodes for use in hydrocarbon-based membrane electrode assemblies of direct oxidation fuel cells

#64
20100047660
2010-02-25

Development and characterization of novel proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups

#65
20100047657
2010-02-25

Gradient reinforced proton exchange membrane

#66
20100003569
2010-01-07

Chalcogen catalysts for polymer electrolyte fuel cell

#67
20090297915
2009-12-03

Electrolyte membranes and methods of use

#68
20090281245
2009-11-12

Proton exchange membranes for fuel cell applications

#69
20090239125
2009-09-24

Sulfonated polymer composition for forming fuel cell electrodes

#70
20090233146
2009-09-17

Sulfonated poly(arylene ether) having crosslinkable moiety combined in chain of polymer, sulfonated poly(arylene ether) having crosslinkable moieties combined in polymer and at polymer end group, and polymer electrolyte membrane using sulfonated poly(arylene ether)

#71
20090220843
2009-09-03

Phosphonic acid-containing blends and phosphonic acid-containing polymers

#72
20090123812
2009-05-14

Phosphorus containing benzoxazine-based monomer, polymer thereof, electrode for fuel cell including the polymer, electrolyte membrane for fuel cell including the polymer, and fuel cell using the electrode

#73
20090068543
2009-03-12

Phosphorous containing benzoxazine-based monomer, polymer thereof, electrode for fuel cell including the same, electrolyte membrane for fuel cell including the same, and fuel cell employing the same

#74
20090068524
2009-03-12

ANHYDROUS PROTON CONDUCTOR BASED ON HETEROCYCLE ATTACHED TO A POLYMER BACKBONE

#75
20090039346
2009-02-12

Mesoporous thin film and method of producing the same

#76
20090004526
2009-01-01

Proton exchange membrane for fuel cell

#77
20080305379
2008-12-11

Polymer Electrolyte Membrane for Fuel Cell and Membrane-Electrode Assembly and Fuel Cell Including the Same

#78
20080286626
2008-11-20

BIS(ARYL)SULFONIMIDE FUNCTIONALIZED ION CONDUCTING POLYMERS

#79
20080261102
2008-10-23

Sulfonated-perfluorocyclobutane polyelectrolyte membranes for fuel cells

#80
20080113227
2008-05-15

Development and characterization of novel proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups

#81
20080083499
2008-04-10

Process for Production and Apparatus for Production of Laminate

#82
20080070093
2008-03-20

Development and characterization of novel proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups

#83
20080063914
2008-03-13

High temperature polymer electrolyte membranes and membrane electrode assemblies based on blends of aromatic polyethers

#84
20080038623
2008-02-14

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

#85
20080008918
2008-01-10

Nanocomposite electrolyte membrane and fuel cell employing the same

#86
20070231653
2007-10-04

Reinforced composite electrolyte membrane for fuel cell

#87
20070196714
2007-08-23

POLYMER MEMBRANE, METHOD OF PREPARING THE SAME AND FUEL CELL EMPLOYING THE SAME

#88
20070155953
2007-07-05

Proton exchange membranes using cycloaddition reaction between azide and alkyne containing components

#89
20070134530
2007-06-14

Polymer electrolyte as well as polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell using the same

#90
20070128501
2007-06-07

Chalcogen catalysts for polymer electrolyte fuel cell

#91
20070099054
2007-05-03

Sulfonated-perfluorocyclobutane polyelectrolyte membranes for fuel cells

#92
20070004900
2007-01-04

Triblock copolymers with acidic groups

#93
20060293475
2006-12-28

Phosphoric acid group-containing polymer electrolyte (composite) membrane and its production method

#94
20060280984
2006-12-14

Polymer electrolyte membrane and method of producing the same

#95
20060199059
2006-09-07

Ion conductive polymer electrolyte and its membrane electrode assembly

#96
20060180796
2006-08-17

Polymer electrolytic material, polymer electrolytic part, membrane electrode assembly, and polymer electrolyte fuel cell

#97
20060159974
2006-07-20

Anhydrous proton conductor based on heterocycle attached to a polymer backbone

#98
20060154129
2006-07-13

Proton exchange membranes using cycloaddition reaction between azide and alkyne containing components

#99
20060135657
2006-06-22

Ion conductive block copolymers

#100
20060078774
2006-04-13

Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells

#101
20060036064
2006-02-16

Sulfonated polymer composition for forming fuel cell electrodes

#102
20060024546
2006-02-02

Fullerene-based electrolyte for fuel cells

#103
20060003211
2006-01-05

Non-humidified polymer electrolyte

#104
20050234210
2005-10-20

Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties

#105
20050233203
2005-10-20

Modified carbon products, their use in fluid/gas diffusion layers and similar devices and methods relating to the same

#106
20050233183
2005-10-20

Modified carbon products, their use in electrocatalysts and electrode layers and similar devices and methods relating to the same

#107
20050221141
2005-10-06

Modified carbon products, their use in proton exchange membranes and similar devices and methods relating to the same

#108
20050221139
2005-10-06

Modified carbon products, their use in bipolar plates and similar devices and methods relating to same