ClassID:

213598

H01M8/1051 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Fuel cells with solid electrolytes characterised by the electrolyte material; Polymeric electrolyte materials; Polymer electrolyte composites, mixtures or blends; Mixtures of at least one polymer and at least one additive Non-ion-conducting additives, e.g. stabilisers, SiO or ZrO

Recent Application in this class:
#1
20260155418
2026-06-04

PEMFC ELECTROLYTE MEMBRANE DURABILITY ENHANCER, PEMFC COMPOSITE ELECTROLYTE MEMBRANE, COMPRISING SAME, AND PEMFC MEMBRANE ELECTRODE ASSEMBLY

#2
20260121095
2026-04-30

Advanced Ion Exchange Membranes And Applications Thereof

#3
20260074254
2026-03-12

FLUOROCARBON MOLECULAR ADDITIVES FOR PERFLUOROSULFONIC ACID BASED MEMBRANES

#4
20250320615
2025-10-16

GAS MANAGEMENT SYSTEM FOR AN ELECTROCHEMICAL CELL

#5
20250293279
2025-09-18

MEMBRANE ELECTRODE ASSEMBLY

#6
20250273708
2025-08-28

ELECTRODE-DECOUPLED REDOX FLOW BATTERY

#7
20250246660
2025-07-31

STABLE ION EXCHANGE MEMBRANES WITH RADICAL SAVENGER

#8
20250239638
2025-07-24

COMPOSITE INCLUDING FLUORINATED POLYMER AND LITHIUM FLUORIDE NANOPARTICLES AND ARTICLES INCLUDING THE SAME

#9
20250233183
2025-07-17

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

#10
20250206621
2025-06-26

SILICA MATERIAL, ION EXCHANGE RESIN COMPOSITION, ELECTROLYTE FILM, MEMBRANE-ELECTRODE ASSEMBLY, SOLID POLYMER FUEL CELL, SOLID POLYMER ELECTROLYZER AND ELECTROCHEMICAL HYDROGEN COMPRESSOR

#11
20250183342
2025-06-05

LIQUID COMPOSITION, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL

#12
20240258547
2024-08-01

RADICAL SCAVENGERS FOR FUEL CELLS

#13
20240243435
2024-07-18

CERAMIC BINDER COMPOSITION FOR CERAMIC COATED SEPARATOR FOR LITHIUM ION BATTERIES, METHODS OF PRODUCING SAME, AND USES THEREOF

#14
20240097277
2024-03-21

METHOD OF MAKING A MICROPOROUS MATERIAL

#15
20240079620
2024-03-07

Electrolyte balancing strategies for flow batteries

#16
20240055639
2024-02-15

ELECTROLYTE MEMBRANE FOR FUEL CELLS CONTAINING CATALYST COMPOSITE HAVING IMPROVED OXYGEN PERMEABILITY AND METHOD OF PRODUCING THE SAME

#17
20240039023
2024-02-01

GEL ELECTROLYTE

#18
20230343977
2023-10-26

ADDITIVE HAVING A PERVOSKITE COMPOUND FOR A POLYMER ELECTROLYTE MEMBRANE FUEL CELL AND A POLYMER ELECTROLYTE MEMBRANE FUEL CELL INCLUDING SAME

#19
20230327160
2023-10-12

ELECTROLYTE MEMBRANE HAVING EXCELLENT DURABILITY AND PROTON CONDUCTIVITY AND FUEL CELL INCLUDING THE SAME

#20
20230299324
2023-09-21

ANION EXCHANGE POLYMERS AND ANION EXCHANGE MEMBRANES FOR DIRECT AMMONIA FUEL CELLS

#21
20230178782
2023-06-08

POLYMER ELECTROLYTE MEMBRANE, MANUFACTURING METHOD THEREFOR, AND ELECTROCHEMICAL DEVICE COMPRISING SAME

#22
20230155247
2023-05-18

Method of making a microporous material

#23
20220416281
2022-12-29

Method of producing antioxidant with improved antioxidant ability and dispersion property for membrane-electrode assembly

#24
20220393213
2022-12-08

Electrolyte membrane with improved chemical durability and membrane-electrode assembly including same

#25
20220320557
2022-10-06

Polymer electrolyte membrane, manufacturing method therefor, and electrochemical device comprising same

#26
20220278346
2022-09-01

Zipped ion-exchange membrane

#27
20220255104
2022-08-11

Electrolyte membrane of membrane-electrode assembly comprising plasma-treated filler and manufacturing method thereof

#28
20220209271
2022-06-30

RADICAL SCAVENGER, METHOD FOR PREPARING SAME, AND MEMBRANE-ELECTRODE ASSEMBLY CONTAINING SAME

#29
20220181667
2022-06-09

Electrolyte membrane with improved ion conductivity and method for manufacturing the same

#30
20220166044
2022-05-26

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

#31
20220085398
2022-03-17

Electrolyte balancing strategies for flow batteries

#32
20220021015
2022-01-20

Antioxidant for electrolyte membrane of fuel cell and method for preparing the same

#33
20220008871
2022-01-13

COMPOSITE FILMS AND METHODS OF MAKING AND USE THEREOF

#34
20210351426
2021-11-11

Reversible shunts for overcharge protection in polymer electrolyte membrane fuel cells

#35
20210344029
2021-11-04

Dual surface property composite fuel cell polymer electrolyte membrane

#36
20210320315
2021-10-14

Anion exchange polymers and anion exchange membranes for direct ammonia fuel cells

#37
20210313610
2021-10-07

Polymer electrolyte membrane for fuel cell and method of manufacturing same

#38
20210305611
2021-09-30

Antioxidant having high antioxidant capability for fuel cell, and electrolyte membrane and membrane-electrode assembly comprising same

#39
20210296673
2021-09-23

Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell

#40
20210284813
2021-09-16

Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell

#41
20210255132
2021-08-19

SUPER SENSITIVE SENSOR FOR THE DETECTION OF HYDROXYL FREE RADICALS WITH SCAVENGING PROPERTIES

#42
20210242480
2021-08-05

PLATINUM-COATED POLYIMIDE PARTICLES AND ARTICLES THEREOF

#43
20210226242
2021-07-22

Systems, Devices, and/or Methods for Fuel Cell Utilizing Reactive Nano Silicate

#44
20210218045
2021-07-15

Electrolyte membrane for fuel cells containing catalyst composite having improved oxygen permeability and method of producing the same

#45
20210189041
2021-06-24

FLUOROPOLYMER-BASED HYBRID ORGANIC/INORGANIC COMPOSITES

#46
20210135242
2021-05-06

Electrolyte membrane for fuel cells including hydrogen peroxide generating catalyst and hydrogen peroxide decomposing catalyst, and method of manufacturing the same

#47
20210119237
2021-04-22

Polymer electrolyte membrane for medium and high temperature, preparation method thereof and high temperature polymer electrolyte membrane fuel cell comprising the same

#48
20210111424
2021-04-15

Ion exchange membrane and energy storage device comprising same

#49
20210009728
2021-01-14

Cationic polymers for use as anion exchange polyelectrolytes

#50
20200343569
2020-10-29

PROTON EXCHANGE MEMBRANE WITH ENHANCED CHEMICAL STABILITY AND METHOD OF PREPARING THEREOF

#51
20200266473
2020-08-20

Antioxidant for fuel cells and membrane-electrode assembly including the same

#52
20200124562
2020-04-23

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

#53
20200099078
2020-03-26

Preparation method for alkaline anion exchange membrane and use thereof in fuel cell

#54
20200099077
2020-03-26

FUEL CELL ELECTROLYTE AND METHOD FOR MANUFACTURING SAME

#55
20200020967
2020-01-16

Antioxidant for electrolyte membrane of fuel cells and method for preparing the same

#56
20190319287
2019-10-17

ANTIOXIDANT FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELLS, ELECTROLYTE INCLUDING THE SAME, AND MEMBRANE-ELECTRODE ASSEMBLY FOR VEHICLES INCLUDING THE SAME

#57
20190308177
2019-10-10

FUEL CELL ELECTRODE, FUEL CELL, AND CATALYST BODY

#58
20190207236
2019-07-04

Electrolyte balancing strategies for flow batteries

#59
20190207226
2019-07-04

Method of manufacturing electrolyte membrane for fuel cells and method of manufacturing membrane-electrode assembly including the same

#60
20190198903
2019-06-27

Membrane-electrode assembly for fuel cells having improved durability and a polymer electrolyte membrane fuel cell including the same

#61
20190153176
2019-05-23

ION EXCHANGE MEMBRANES CONTAINING INORGANIC PARTICLES

#62
20190109344
2019-04-11

TRANSITION METAL CATALYST NANOPARTICLES AND USES THEREOF

#63
20190067722
2019-02-28

Liquid composition, process for its production, and process for producing membrane-electrode assembly for polymer electrolyte fuel cells

#64
20190060843
2019-02-28

Composite membranes and applications thereof

#65
20180226670
2018-08-09

Composite electrolyte film, reinforced composite electrolyte film, and fuel cell comprising same

#66
20180145358
2018-05-24

Polymer electrolyte membrane, membrane electrode assembly comprising same, and fuel cell comprising membrane electrode assembly

#67
20180131027
2018-05-10

FLEXIBLE INORGANIC FUEL CELL MEMBRANE

#68
20180029276
2018-02-01

Method of making a microporous material

#69
20180013159
2018-01-11

Methods for producing liquid composition, polymer electrolyte membrane, catalyst layer, and membrane/electrode assembly

#70
20170331136
2017-11-16

Polymer electrolyte membrane

#71
20170317368
2017-11-02

DURABLE FUEL CELL MEMBRANE ELECTRODE ASSEMBLY WITH COMBINED ADDITIVES

#72
20170309927
2017-10-26

Composite membrane containing ion transfer polymer and method for preparing same

#73
20170294671
2017-10-12

Lithium air battery having multi-layered electrolyte membrane and manufacturing method thereof

#74
20170294670
2017-10-12

Electrolyte film for fuel cell

#75
20170266627
2017-09-21

Ion exchange membranes containing inorganic particles

#76
20170263966
2017-09-14

Proton conducting membrane comprising monolithic 2D material and ionomer, a process for preparing same and use of same in fuel cell and hydrogen gas sensor

#77
20170214064
2017-07-27

Process for joining incompatible materials and materials formed thereby

#78
20170207434
2017-07-20

Microporous material and a method of making same

#79
20170200962
2017-07-13

NANOCOMPOSITE MEMBRANE COMPRISING POLYHEDRAL OLIGOMERIC SILSESQUIOXANE HAVING SULFONIC ACID GROUPS AND METHOD FOR MANUFACTURING THE SAME

#80
20170170486
2017-06-15

Fuel cells using vertically free standing graphene and carbon nanosheets

#81
20170125832
2017-05-04

Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same

#82
20170114197
2017-04-27

Composite electrolyte membrane and method for manufacturing same

#83
20170092974
2017-03-30

Proton conducting membrane and fuel cell comprising the same

#84
20170037207
2017-02-09

Polymer electrolyte composition, polymer electrolyte membrane using same, catalyst coated membrane, membrane electrode assembly and polymer electrolyte fuel cell

#85
20170033387
2017-02-02

Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same

#86
20170025699
2017-01-26

Composite proton conducting electrolyte with improved additives for fuel cells

#87
20160359183
2016-12-08

Attachment of graphene and metal or metal oxide-modified graphene to organic polymers used in organic fuel cells

#88
20160315343
2016-10-27

Process for the preparation of PBI based membrane electrode assembly (MEA) with improved fuel cell performance and stability

#89
20160301092
2016-10-13

POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL AND MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING SAME

#90
20160276687
2016-09-22

Ion transport material, electrolyte membrane comprising same, and method for producing same

#91
20160254558
2016-09-01

POLYMER ELECTROLYTE MEMBRANE FOR A FUEL CELL, METHOD FOR MANUFACTURING SAME, AND FUEL CELL COMPRISING SAME

#92
20160233531
2016-08-11

Electrolyte balancing strategies for flow batteries

#93
20160226091
2016-08-04

Ion transport material, electrolyte membrane comprising same, and method for producing same

#94
20160197370
2016-07-07

Liquid composition, process for its production, and process for producing membrane-electrode assembly for polymer electrolyte fuel cells

#95
20160067654
2016-03-10

Ion exchange membranes containing inorganic particles

#96
20160006068
2016-01-07

Composite proton conducting electrolyte with improved additives for fuel cells

#97
20150364771
2015-12-17

Composite membrane for polymer electrolyte membrane fuel cell

#98
20150295262
2015-10-15

Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode complex and solid polymer-type fuel cell each produced using same

#99
20150221968
2015-08-06

Durable fuel cell membrane electrode assembly with combined additives

#100
20150200412
2015-07-16

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

#101
20150171454
2015-06-18

MEMBRANE WITH LAMINATED STRUCTURE AND ORIENTATION CONTROLLED NANOFIBER REINFORCEMENT ADDITIVES FOR FUEL CELLS

#102
20150140473
2015-05-21

Fluoropolymer film

#103
20150051065
2015-02-19

Method for dispersing particles in perfluorinated polymer ionomer

#104
20140377686
2014-12-25

Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode assembly and solid polymer fuel cell each using same

#105
20140193741
2014-07-10

Polymer electrolyte membrane for fuel cell, membrane electrode assembly and fuel cell including the same

#106
20140160549
2014-06-12

Colloid electrolyte composition

#107
20140154612
2014-06-05

Polymer-electrolyte membrane, electrochemical fuel cell, and related method

#108
20140154594
2014-06-05

Polymer electrolyte membrane for fuel cell and method for manufacturing the same

#109
20140141357
2014-05-22

Low equivalent weight polymers

#110
20140120455
2014-05-01

Stable proton exchange membranes and membrane electrode assemblies

#111
20140113215
2014-04-24

Specific phosphonated copolymers and inorganic particles grafted by said copolymers

#112
20140093808
2014-04-03

High durability fuel cell components with cerium salt additives

#113
20140080015
2014-03-20

Method for making anion electrolyte membrane

#114
20140023952
2014-01-23

Method for preparing catalyst layer by in-situ sol-gel reaction of tetraethoxysilane in Nafion ionomer solution

#115
20140011103
2014-01-09

Proton conductor, method for manufacturing proton conductor, and fuel cell

#116
20130330649
2013-12-12

Polymer electrolyte fuel cell

#117
20130323613
2013-12-05

Graphene-based self-humidifying membrane and self-humidifying fuel cell

#118
20130309596
2013-11-21

Liquid composition, process for its production, and process for producing membrane-electrode assembly for polymer electrolyte fuel cells

#119
20130273457
2013-10-17

Proton conducting materials

#120
20130130150
2013-05-23

Electrolyte membrane for fuel cell, method of manufacturing the electrolyte membrane, membrane-electrode assembly for fuel cell including the electrolyte membrane, and fuel cell including the membrane-electrode assembly

#121
20130130133
2013-05-23

Nanofiber supported catalysts as membrane additives for improved fuel cell durability

#122
20130101918
2013-04-25

Reinforced electrolyte membrane

#123
20130065154
2013-03-14

Hydrocarbon composite electrolyte membrane for fuel cell

#124
20130052561
2013-02-28

Polymer electrolyte membrane and membrane/electrode assembly for polymer electrolyte fuel cell

#125
20130045436
2013-02-21

Porous membrane, electrolyte membrane including same, methods of manufacturing both, and fuel cell including at least one of the membranes

#126
20130022895
2013-01-24

Membrane with Laminated Structure and Orientation Controlled Nanofiber Reinforcement Additives for Fuel Cells

#127
20120312695
2012-12-13

Composite membrane for polymer electrolyte membrane fuel cell

#128
20120276471
2012-11-01

Proton conducting materials

#129
20120276462
2012-11-01

Drive unit, lens module, image pickup unit, fuel cell, and ion exchange resin

#130
20120258382
2012-10-11

Additives to mitigate catalyst layer degradation in fuel cells

#131
20120252909
2012-10-04

Method for mechanical stabilization of nitrogen-containing polymers

#132
20120251903
2012-10-04

Self-humidifying membrane and self-humidifying fuel cell

#133
20120248031
2012-10-04

Composites and composite membranes

#134
20120225361
2012-09-06

Composite proton conducting electrolyte with improved additives for fuel cells

#135
20120196188
2012-08-02

Aromatic polymer ion exchange membranes, its composite membrane, and its application in acidic electrolyte flow battery

#136
20120172461
2012-07-05

Low permeability composite proton exchange membrane including organic-inorganic hybrid

#137
20120156588
2012-06-21

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS WITH IMPROVED LIFETIME

#138
20120148937
2012-06-14

Durable fuel cell membrane electrode assembly with combined additives

#139
20120135333
2012-05-31

Organic/inorganic composite blend membrane compositions of polyelectrolye blends with nanoparticles

#140
20120135332
2012-05-31

Fuel cells having improved durability

#141
20120107725
2012-05-03

Solid Polymer Electrolyte Composition, and Ion-Exchange Membrane, Membrane Electrode Assembly and Fuel Cell

#142
20120088181
2012-04-12

Chemical durability using synergystic mitigation strategies

#143
20120082919
2012-04-05

POLYMER ELECTROLYTE FUEL CELL

#144
20120077113
2012-03-29

MICROPOROUS POLYETHYLENE FILM WITH THERMALLY STABLE HYBRID-COMPOSITE LAYERS

#145
20120077109
2012-03-29

Ceramic porous substrate, reinforced composite electrolyte membrane using the same and membrane-electrode assembly having the same

#146
20120045704
2012-02-23

DURABLE IONOMERIC POLYMER FOR PROTON EXCHANGE MEMBRANE AND MEMBRANE ELECTRODE ASSEMBLIES FOR ELECTROCHEMICAL FUEL CELL APPLICATIONS

#147
20120029098
2012-02-02

Proton conducting materials

#148
20120028167
2012-02-02

Method for preparing a porous polyimide film and a composite membrane comprising the same

#149
20110311901
2011-12-22

MECHANICALLY STABILIZED POLYAZOLES

#150
20110287335
2011-11-24

Reinforced electrolyte membrane for fuel cell, membrane-electrode assembly for fuel cell, and polymer electrolyte fuel cell comprising the same

#151
20110262835
2011-10-27

Polymer electrolyte membrane based on polyazole

#152
20110262832
2011-10-27

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

#153
20110236793
2011-09-29

Highly stable fuel cell membranes and methods of making them

#154
20110212383
2011-09-01

Liquid composition, process for its production and process for producing membrane-electrode assembly for polymer electrolyte fuel cells

#155
20110200907
2011-08-18

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

#156
20110183231
2011-07-28

High molecular nanocomposite membrane for direct methanol fuel cell, and membrane-electrode assembly and methanol fuel cell including the same

#157
20110171561
2011-07-14

Composition with enhanced proton conductivity

#158
20110165497
2011-07-07

Method for Mitigating Fuel Cell Chemical Degradation

#159
20110160319
2011-06-30

Organic/inorganic hybrid composite proton exchange membrane

#160
20110136041
2011-06-09

Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells

#161
20110136040
2011-06-09

Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells

#162
20110118492
2011-05-19

Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells

#163
20110111321
2011-05-12

COMPOSITE PROTON CONDUCTING MEMBRANE WITH LOW DEGRADATION AND MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELLS

#164
20110104474
2011-05-05

Solid polymer electrolyte composite membrane comprising a porous support and a solid polymer electrolyte including a dispersed reduced noble metal or noble metal oxide

#165
20110091790
2011-04-21

ION-CONDUCTING MEMBRANE STRUCTURES

#166
20110053035
2011-03-03

Sodium stannate additive to improve the durability of PEMS for H/air fuel cells

#167
20110039166
2011-02-17

Fuel cell system and solid polymer electrolyte film

#168
20110027687
2011-02-03

ELECTROLYTE MATERIAL, LIQUID COMPOSITION AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL

#169
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

#170
20110003229
2011-01-06

Electrochemical cell and membranes related thereto

#171
20110000615
2011-01-06

Fuel cell electrolyte membrane with basic polymer

#172
20100261091
2010-10-14

Polysulfone polymers and related polymer electrolyte membranes and fuel cells

#173
20100227409
2010-09-09

Method for fast dispersing carbon nanotube in aqueous solution

#174
20100221644
2010-09-02

Fuel cell and electronic apparatus

#175
20100196793
2010-08-05

Nanoengineered membrane-electrode assembly for high-temperature proton exchange membrane fuel cells

#176
20100196791
2010-08-05

Proton conductive material

#177
20100196786
2010-08-05

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

#178
20100183946
2010-07-22

Sulfonated poly(arylene sulfone), crosslinked material thereof, clay nanocomposite including the same, and fuel cell including the same

#179
20100178583
2010-07-15

Electrode composite material

#180
20100167160
2010-07-01

Method For Producing Polymer Electrolyte Membrane For Solid Polymer Fuel Cell, Membrane Eelctrode Assembly For Solid Polymer Fuel Cell, and Solid Polymer Fuel Cell

#181
20100151352
2010-06-17

Composites and Composite Membranes

#182
20100143823
2010-06-10

Electrolyte membrane with anisotopic swelling and aligned filler

#183
20100141085
2010-06-10

Ionic polymer devices and methods of fabricating the same

#184
20100092833
2010-04-15

Composites and composite membranes

#185
20100084792
2010-04-08

Polymer-zeolite nanocomposite membranes for proton-exchange-membrane fuel cells

#186
20100062314
2010-03-11

Method of making a fuel cell polymer electrolyte membrane comprising manganese oxide

#187
20100047658
2010-02-25

ION-CONDUCTING MEMBRANE

#188
20100016521
2010-01-21

Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so produced

#189
20100003570
2010-01-07

Oxidation-stabilised polymer electrolyte membrane for fuel cells

#190
20090325030
2009-12-31

FUEL CELL ELECTROLYTE MEMBRANE WITH ACIDIC POLYMER

#191
20090305127
2009-12-10

Microporous material and a method of making same

#192
20090269644
2009-10-29

PROTON CONDUCTING MATERIALS

#193
20090269491
2009-10-29

Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

#194
20090258274
2009-10-15

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS OF INCREASED POWER

#195
20090220840
2009-09-03

Proton conductive hybrid material, and catalyst layer for fuel cell using the same

#196
20090203805
2009-08-13

Membrane preparation method comprising the extrusion of a thermoplastic polymer bearing alkaline groupings

#197
20090182171
2009-07-16

Compound having oxadiazole structure and a dehydration-cyclization method for producing the same

#198
20090176141
2009-07-09

Multilayered composite proton exchange membrane and a process for manufacturing the same

#199
20090169959
2009-07-02

Durable fuel cell membrane electrode assembly with combined additives

#200
20090169956
2009-07-02

Solid proton conductor including acid treated oxide nanoparticles and fuel cell including the same

#201
20090162724
2009-06-25

ION CONDUCTING COPOLYMERS WITH ELASTOMERIC AND POLYARYLENE SEGMENTS

#202
20090155662
2009-06-18

Highly stable fuel cell membranes and methods of making them

#203
20090136814
2009-05-28

FUEL CELL AND ELECTROLYTE LAYER FOR FUEL CELL

#204
20090131544
2009-05-21

Extrusion of a thermoplastic polymer bearing acid ionic groupings

#205
20090117439
2009-05-07

Electrolyte membrane for fuel cell having hollow inorganic fine particles

#206
20090110967
2009-04-30

ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL, PROCESS FOR ITS PRODUCTION, MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD OF OPERATING POLYMER ELECTROLYTE FUEL CELL

#207
20090068530
2009-03-12

Membrane electrode assembly and direct liquid fuel cell

#208
20090035456
2009-02-05

Method for fabricating a fuel cell on a porous support

#209
20090017356
2009-01-15

Proton conducting material, and electrode and fuel cell using the same

#210
20080318103
2008-12-25

Fuel Cell System

#211
20080315447
2008-12-25

Method of making a microporous material

#212
20080305251
2008-12-11

Laminate useful as a membrane-electrode assembly for fuel cells, production process therefor and a fuel cell provided with the laminate

#213
20080300332
2008-12-04

MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME

#214
20080261098
2008-10-23

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