ClassID:

213418

H01M8/0289 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Details Means for holding the electrolyte

Sub-classes:
Recent Application in this class:
#1
20260149014
2026-05-28

Safety Systems and Methods for Flow Batteries

#2
20260135198
2026-05-14

HYBRID BATTERY PACK

#3
20260106189
2026-04-16

TANK, AND REDOX FLOW BATTERY SYSTEM

#4
20260058180
2026-02-26

STATIC REDOX BATTERY AND ENERGY STORAGE SYSTEM COMPRISING SAME

#5
20250391896
2025-12-25

BATTERY

#6
20250329765
2025-10-23

BATTERY

#7
20250300200
2025-09-25

MARINE THERMAL AND ELECTRICAL BATTERY

#8
20250286097
2025-09-11

CELL FOR POWER GENERATION DEVICE, ASSOCIATED DEVICES AND METHOD

#9
20250192202
2025-06-12

Electrochemical Reactor, Electrochemical Reactor Systems, Processes for Electrochemical Reactions, and Methods Using Same

#10
20250116011
2025-04-10

FLUID CONTAINER AND ELECTROCHEMICAL CELL

#11
20240421335
2024-12-19

INTEGRATED HYDROGEN RECYCLE SYSTEM USING PRESSURIZED MULTICHAMBER TANK

#12
20240413371
2024-12-12

REGENERATION OF SYMMETRICAL NONAQUEOUS ORGANIC REDOX FLOW BATTERIES

#13
20240405232
2024-12-05

FUEL CELL COMPOSITE SHEET AND FUEL CELL COMPOSITE SHEET PRODUCTION METHOD

#14
20240258930
2024-08-01

POWER CONVERSION SYSTEM AND FLIGHT VEHICLE

#15
20240234778
2024-07-11

MICROBIAL FUEL CELL USING ELECTRON ABSORBER HAVING HIGH REDUCTION POTENTIAL, AND METHOD OF GENERATING ELECTRIC ENERGY USING SAME

#16
20240234760
2024-07-11

GRAVITY DRAINAGE SUBSYSTEM FOR REDOX FLOW BATTERY SYSTEM

#17
20240222675
2024-07-04

SALT CAVERN FLOW BATTERY SYSTEM

#18
20240213505
2024-06-27

SYSTEM AND METHOD FOR HEAT ENERGY EXCHANGE WITH ELECTRIC ENERGY STORAGE CAPABILITIES

#19
20240195175
2024-06-13

GRID ADAPTER SYSTEMS AND METHODS

#20
20240136560
2024-04-25

Microbial fuel cell using electron absorber having high reduction potential, and method of generating electric energy using same

#21
20240136551
2024-04-25

GRAVITY DRAINAGE SUBSYSTEM FOR REDOX FLOW BATTERY SYSTEM

#22
20240097277
2024-03-21

METHOD OF MAKING A MICROPOROUS MATERIAL

#23
20240030476
2024-01-25

STACK DRAINAGE FOR REDOX FLOW BATTERY

#24
20230420719
2023-12-28

BATTERY

#25
20230411642
2023-12-21

POROUS SILICON MEMBRANE MATERIAL, MANUFACTURE THEREOF AND ELECTRONIC DEVICES INCORPORATING THE SAME

#26
20230378508
2023-11-23

REDOX FLOW BATTERY OPERATION METHOD, AND REDOX FLOW BATTERY SYSTEM

#27
20230275250
2023-08-31

REDOX FLOW BATTERY WITH FLOATING POWER MODULE UNDER IMBALANCED CHARGE CONDITIONS

#28
20230155247
2023-05-18

Method of making a microporous material

#29
20230078901
2023-03-16

Membrane for redox flow battery, method for producing membrane for redox flow battery, membrane electrode assembly for redox flow battery, cell for redox flow battery, and redox flow battery

#30
20230060926
2023-03-02

FUEL CELL SYSTEM

#31
20220311021
2022-09-29

RESIN FRAME EQUIPPED MEA AND METHOD OF MANUFACTURING THE SAME

#32
20220173421
2022-06-02

Operation of molten carbonate fuel cells with high electrolyte fill level

#33
20220140371
2022-05-05

Redox flow battery

#34
20220123344
2022-04-21

Integrated hydrogen recycle system using pressurized multichamber tank

#35
20220052357
2022-02-17

Phosphate anion-quaternary ammonium ion pair coordinated polymer membranes

#36
20220037683
2022-02-03

Cavern battery bank

#37
20210159531
2021-05-27

Operation of molten carbonate fuel cells with high electrolyte fill level

#38
20210050614
2021-02-18

Flow battery with membrane having different selectivities

#39
20210020972
2021-01-21

Electrolyte shunt migration management in a fuel cell stack

#40
20200313133
2020-10-01

LDH separator and zinc secondary cell

#41
20200161674
2020-05-21

Fuel cell electrolyte reservoir

#42
20200136155
2020-04-30

FUEL CELLS WITH A LAYERED ELECTROLYTE

#43
20190393534
2019-12-26

Collector plate and redox flow battery

#44
20190296373
2019-09-26

Redox flow battery using electrolyte concentration gradient and operation method thereof

#45
20190273276
2019-09-05

Method and controller for operating power cells using multiple layers of control

#46
20190267594
2019-08-29

Nanoporous ultra-high molecular weight polyethylene membrane

#47
20190245238
2019-08-08

CELL FRAME, BATTERY CELL, CELL STACK, AND REDOX FLOW BATTERY

#48
20190229350
2019-07-25

Cavern battery bank

#49
20190226096
2019-07-25

System and method for electrochemical separation of oxygen

#50
20190165402
2019-05-30

Lignin-based electrolytes and flow battery cells and systems

#51
20190109336
2019-04-11

Manufacturing method of unit cell of fuel cell

#52
20190088965
2019-03-21

Alkaline exchange membrane fuel cells system having a bi-polar plate

#53
20190067726
2019-02-28

Redox flow battery

#54
20180375128
2018-12-27

FLOW BATTERY STACK COMPRESSION ASSEMBLY

#55
20180370336
2018-12-27

Humidifier having an integrated water separator for a fuel cell system, fuel cell system and vehicle comprising same

#56
20180327917
2018-11-15

Electrochemical cell and method of using same

#57
20180316035
2018-11-01

Integrated hydrogen recycle system using pressurized multichamber tank

#58
20180261856
2018-09-13

Fuel cell system

#59
20180248205
2018-08-30

Fuel cell

#60
20180191005
2018-07-05

Redox flow battery system

#61
20180131024
2018-05-10

Apparatus for cleaning catalyst of a power cell

#62
20180102563
2018-04-12

ELECTROLYTE STRUCTURE BODY AND METHOD OF PRODUCING ELECTROLYTE STRUCTURE BODY

#63
20180048011
2018-02-15

HIGH pH ORGANIC FLOW BATTERY

#64
20180034083
2018-02-01

Fuel cell system

#65
20180029276
2018-02-01

Method of making a microporous material

#66
20180002137
2018-01-04

Separator core and separator roll

#67
20180002135
2018-01-04

SEPARATOR CORE AND SEPARATOR ROLL

#68
20170365864
2017-12-21

Porous support having excellent filling characteristics of ion conductor, method for manufacturing the same, and reinforced membrane including the same

#69
20170324109
2017-11-09

FUEL CELL STACK, FUEL CELL AND SHELL

#70
20170279142
2017-09-28

Membrane

#71
20170271705
2017-09-21

Method for preparing cathode electrolyte for redox flow batteries, and redox flow battery

#72
20170271704
2017-09-21

MITIGATION OF CROSSOVER WITHIN FLOW BATTERIES

#73
20170266652
2017-09-21

Functionalized main chain polymers

#74
20170162897
2017-06-08

Sediment type microbial fuel cell

#75
20170098844
2017-04-06

Process for the manufacturing of a reinforced membrane-seal assembly

#76
20160240870
2016-08-18

Fluid exchange membrane module

#77
20150372318
2015-12-24

Fuel cell comprising connection members having different thickness for each of cell units and method for manufacturing same

#78
20150364771
2015-12-17

Composite membrane for polymer electrolyte membrane fuel cell

#79
20150288002
2015-10-08

Nanodevices for generating power from molecules and batteryless sensing

#80
20150270568
2015-09-24

Phosphoric acid-based electrolytes and applications thereof

#81
20150249253
2015-09-03

Ion exchange membrane filling composition, method of preparing ion exchange membrane, ion exchange membrane, and redox flow battery

#82
20150207165
2015-07-23

Redox flow cell comprising high molecular weight compounds as redox pair and semipermeable membrane for storage of electrical energy

#83
20150200408
2015-07-16

Method of forming a fuel cell stack

#84
20150171460
2015-06-18

Electrolyte circulation in fuel cells stacks with reduced leakage current

#85
20150140458
2015-05-21

Method and apparatus for cleaning catalyst of a power cell

#86
20150072252
2015-03-12

Fuel cell membrane

#87
20140370404
2014-12-18

Redox flow secondary battery and electrolyte membrane for redox flow secondary battery

#88
20140255821
2014-09-11

Redox flow cell membrane

#89
20140255734
2014-09-11

Reservoir for multiphase electrolyte flow control

#90
20140193742
2014-07-10

Block copolymer, manufacturing method therefor, and polymer electrolyte material, molded polymer electrolyte, and solid-polymer fuel cell using said block copolymer

#91
20140134517
2014-05-15

High water-content membranes

#92
20140120455
2014-05-01

Stable proton exchange membranes and membrane electrode assemblies

#93
20140072834
2014-03-13

Power cell and power chip architecture

#94
20140017595
2014-01-16

Process for the preparation of membrane electrode assemblies (MEAs)

#95
20130337997
2013-12-19

Cyclic compound, its metal complex and modified metal complex

#96
20130296499
2013-11-07

Ionomers and methods of making same and uses thereof

#97
20130280642
2013-10-24

Porous nano-fiber mats to reinforce proton conducting membranes for PEM applications

#98
20130244138
2013-09-19

Liquid compositions of fluorinated ion exchange polymers

#99
20130230747
2013-09-05

Direct liquid fuel cell having ammonia borane, hydrazine, derivatives thereof or/and mixtures thereof as fuel

#100
20130183604
2013-07-18

Fuel cell resin frame equipped membrane electrode assembly

#101
20130143143
2013-06-06

Printed fuel cell with integrated gas channels

#102
20130130133
2013-05-23

Nanofiber supported catalysts as membrane additives for improved fuel cell durability

#103
20130115504
2013-05-09

ION EXCHANGE MEMBRANE FILLING COMPOSITION, METHOD OF PREPARING ION EXCHANGE MEMBRANE, ION EXCHANGE MEMBRANE, AND REDOX FLOW BATTERY

#104
20130095361
2013-04-18

High surface area flow battery electrodes

#105
20130065139
2013-03-14

FUEL CELL

#106
20130052564
2013-02-28

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

#107
20130052563
2013-02-28

MEMBRANE

#108
20130029244
2013-01-31

Fuel cell with multiple independent reaction regions

#109
20130017416
2013-01-17

Membrane stack for a membrane based process and method for producing a membrane therefor

#110
20120321992
2012-12-20

Composite electrolyte membrane for fuel cell, method of manufacturing the membrane, and fuel cell including the membrane

#111
20120321991
2012-12-20

Alkaline Membrane Fuel Cells and Apparatus and Methods for Supplying Water Thereto

#112
20120321973
2012-12-20

Alkaline membrane fuel cells and apparatus and methods for supplying water thereto

#113
20120312695
2012-12-13

Composite membrane for polymer electrolyte membrane fuel cell

#114
20120305029
2012-12-06

Separator for chlor-alkali electrolytic cells and method for its manufacturing

#115
20120296065
2012-11-22

POLYARYLENE IONOMERS MEMBRANES

#116
20120276468
2012-11-01

Silicon phosphate and membrane comprising the same

#117
20120270132
2012-10-25

Electrochemical cells having current-carrying structures underlying electrochemical reaction layers

#118
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

#119
20120248031
2012-10-04

Composites and composite membranes

#120
20120245237
2012-09-27

Ionomers with ionic groups in the side chain

#121
20120237853
2012-09-20

Nanodevices for generating power from molecules and batteryless sensing

#122
20120231365
2012-09-13

Method for mechanically stabilizing nitrogen-containing polymers

#123
20120231354
2012-09-13

Electrolyte membrane, fuel cell, and electrolyte membrane manufacturing method

#124
20120225370
2012-09-06

Minimizing electrode contamination in an electrochemical cell

#125
20120219880
2012-08-30

Fuel cells

#126
20120202135
2012-08-09

IMPROVED CATALYST COATED MEMBRANES HAVING COMPOSITE, THIN MEMBRANES AND THIN CATHODES FOR USE IN DIRECT METHANOL FUEL CELLS

#127
20120152451
2012-06-21

METHOD FOR PRODUCING FUEL CELL ELECTROLYTE MEMBRANE AND METHOD FOR PRODUCING MEMBRANE-ELECTROLYTE ASSEMBLY

#128
20120148939
2012-06-14

ANION EXCHANGE MEMBRANE

#129
20120148938
2012-06-14

Conductive composition and method of preparation, polymer thereof, and electrode, electrolyte membrane and fuel cell including the composition or polymer

#130
20120135332
2012-05-31

Fuel cells having improved durability

#131
20120129080
2012-05-24

Fuel cell and manufacturing method of the same

#132
20120122013
2012-05-17

MEMBRANE ELECTRODE UNITS AND FUEL CELLS WITH AN INCREASED SERVICE LIFE

#133
20120122011
2012-05-17

Nano-fibers for electrical power generation

#134
20120107720
2012-05-03

Self-supporting dynamic polymer membrane, and uses

#135
20120101173
2012-04-26

Method for the production of a high-molecular polyazol

#136
20120083541
2012-04-05

AROMATIC POLYETHER SULFONE BLOCK COPOLYMERS

#137
20120058412
2012-03-08

Porous material for fuel cell electrolyte membrane, method for producing the same, electrolyte membrane for solid polymer fuel cell, membrane electrode assembly (MEA), and fuel cell

#138
20120052411
2012-03-01

Aromatic hydrocarbon based proton exchange membrane and direct methanol fuel cell using same

#139
20120048749
2012-03-01

PROTON CONDUCTOR, METHOD OF PRODUCING THE SAME, AND CARBON QUANTITY DETECTING SENSOR

#140
20120048456
2012-03-01

Porous material for fuel cell electrolyte membrane, method for producing the same, electrolyte membrane for solid polymer fuel cell, membrane electrode assembly (MEA), and fuel cell

#141
20120046371
2012-02-23

Low Equivalent Weight Ionomer

#142
20120021335
2012-01-26

Laminate and Method For Producing Same

#143
20120007263
2012-01-12

Monomer beads for producing a proton-conducting membrane

#144
20120004330
2012-01-05

Functionalized main chain polymers

#145
20110312080
2011-12-22

POROUS FILMS BY A TEMPLATING CO-ASSEMBLY PROCESS

#146
20110311900
2011-12-22

ELECTROCHEMICAL DEVICE CONFIGURATIONS

#147
20110294035
2011-12-01

Method for preparing an enhanced proton exchange membrane and enhanced proton exchange membrane

#148
20110278159
2011-11-17

Cation exchange membrane, production process thereof and electrolytic cell using the same

#149
20110229797
2011-09-22

Sulfonated-Perfluorocyclobutane Polyelectrolyte Membranes for Fuel Cells

#150
20110200907
2011-08-18

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

#151
20110177428
2011-07-21

Superbase-derived protic ionic liquids

#152
20110166241
2011-07-07

Polymer electrolyte membrane

#153
20110151342
2011-06-23

Alkaline membrane fuel cells and apparatus and methods for supplying water thereto

#154
20110129757
2011-06-02

FUEL CELL WITH MEMBRANE/ELECTRODE STACK PERPENDICULAR TO THE SUPPORT SUBSTRATE AND METHOD FOR PRODUCING

#155
20110127161
2011-06-02

NOVEL PROTON EXCHANGE COMPOSITE MEMBRANE WITH LOW RESISTANCE AND PREPARATION THEREOF

#156
20110123910
2011-05-26

Membrane-electrode assembly, method of producing the assembly, and solid polymer-type fuel cell employing the same

#157
20110123902
2011-05-26

Permselective Membrane-Free Direct Fuel Cell and Components Thereof

#158
20110104367
2011-05-05

LAYER STRUCTURES AND METHOD TO THEIR PRODUCTION

#159
20110097642
2011-04-28

Polymer electrolyte membrane having high durability and method for producing the same

#160
20110081601
2011-04-07

Nonwoven fabric having cross-linking material

#161
20110081594
2011-04-07

Polymer membrane for battery, method of preparing same and battery including same

#162
20110070521
2011-03-24

Reinforced solid polymer electrolyte composite membrane, membrane electrode assembly for solid polymer fuel cell, and solid polymer fuel cell

#163
20110065020
2011-03-17

PROTON-CONDUCTING MEMBRANE AND ITS USE

#164
20110052466
2011-03-03

Catalyzed CO-transport membrane on high surface area inorganic support

#165
20110045375
2011-02-24

FUEL CELL UNIT, FUEL CELL STACK, AND ELECTRONIC DEVICE

#166
20110033777
2011-02-10

Proton-conducting membrane and use thereof

#167
20110027688
2011-02-03

Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell

#168
20110020730
2011-01-27

Film for reinforcing electrolyte membrane of polymer electrolyte fuel cell

#169
20110018045
2011-01-27

Dram arrays, vertical transistor structures, and methods of forming transistor structures and dram arrays

#170
20110015059
2011-01-20

Cyclic compound, its metal complex and modified metal complex

#171
20110008703
2011-01-13

FUEL CELL WITH DEAD-END ANODE

#172
20110003902
2011-01-06

Proton transporting material, starting material thereof, ion exchange membrane, membrane electrolyte assembly, and fuel cell using the same

#173
20110003229
2011-01-06

Electrochemical cell and membranes related thereto

#174
20100316933
2010-12-16

Electrolyte membrane

#175
20100298452
2010-11-25

Proton-Conducting Polymer with a Two-Dimensional Backbone of Metal-Oxygen Bonding

#176
20100297531
2010-11-25

Immobilized fluid membranes for gas separation

#177
20100297494
2010-11-25

BATTERY MODULE

#178
20100273953
2010-10-28

FUNCTIONALIZED POLYARYL ETHERS

#179
20100266927
2010-10-21

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

#180
20100236922
2010-09-23

Separator for chlor-alkali electrolytic cells and method for its manufacturing

#181
20100233571
2010-09-16

REINFORCED ELECTROLYTE MEMBRANE FOR FUEL CELL, METHOD FOR PRODUCING THE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND POLYMER ELECTROLYTE FUEL CELL COMPRISING THE ASSEMBLY

#182
20100233551
2010-09-16

ION CONDUCTOR

#183
20100222441
2010-09-02

Organic superacids, polymers derived from organic superacids, and methods of making and using the same

#184
20100221837
2010-09-02

METHOD FOR EXAMINING ION-CONDUCTIVE ELECTROLYTE MEMBRANE

#185
20100216052
2010-08-26

Catalyst coated membrane (CCM) and catalyst film/layer for alkaline membrane fuel cells and methods of making same

#186
20100196800
2010-08-05

High efficiency fuel cell system

#187
20100196781
2010-08-05

Reinforced electrolyte membrane for fuel cell, production method thereof, membrane electrode assembly for fuel cell, and solid polymer fuel cell comprising the same

#188
20100190875
2010-07-29

Crosslinked aromatic polymer electrolyte membrane

#189
20100183955
2010-07-22

Electrochemical cells having current-carrying structures underlying electrochemical reaction layers

#190
20100181189
2010-07-22

Scaffold for an ion-conductive membrane

#191
20100174042
2010-07-08

Aromatic compound and sulfonated polyarylene polymer

#192
20100173222
2010-07-08

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

#193
20100167166
2010-07-01

Hyper-branched polymer, electrode including the polymer, electrolyte membrane including the polymer, and fuel cell including the electrode and/or the electrolyte membrane

#194
20100167165
2010-07-01

COPOLYMER, POLYMER ELECTROLYTE, AND USE THEREOF

#195
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

#196
20100159349
2010-06-24

Membrane electrode assemblies

#197
20100143823
2010-06-10

Electrolyte membrane with anisotopic swelling and aligned filler

#198
20100141085
2010-06-10

Ionic polymer devices and methods of fabricating the same

#199
20100136383
2010-06-03

Printed fuel cell with integrated gas channels

#200
20100130265
2010-05-27

Device and method for controlling the humidification of a fuel cell

#201
20100124680
2010-05-20

Fuel cell system operated with liquid gas

#202
20100105786
2010-04-29

Method for Producing Polymer Compound

#203
20100104920
2010-04-29

DIAPHRAGM FOR DIRECT LIQUID FUEL CELL AND METHOD FOR PRODUCING THE SAME

#204
20100104919
2010-04-29

Reinforcing film for the electrolyte membrane of a polymer electrolyte fuel cell

#205
20100104913
2010-04-29

Membrane-membrane reinforcing member assembly, membrane-catalyst layer assembly, membrane-electrode assembly, polymer electrolyte fuel cell, and method for manufacturing membrane-electrode assembly

#206
20100099006
2010-04-22

GALVANIC ELEMENT COMPRISING A MELAMINE/FORMALDEHYDE FOAMED PLASTIC

#207
20100098998
2010-04-22

ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, AND MEMBRANE ELECTRODE ASSEMBLY

#208
20100092833
2010-04-15

Composites and composite membranes

#209
20100081029
2010-04-01

Separating membrane for fuel cell

#210
20100080931
2010-04-01

Liquid fluoropolymer composition and process for producing crosslinked fluorochemical

#211
20100068588
2010-03-18

Membrane-membrane reinforcing membrane assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell

#212
20100063168
2010-03-11

IONOMERS WITH IONOGENIC GROUPS IN THE SIDECHAIN

#213
20100062311
2010-03-11

Membrane-electrode assembly for solid polymer electrolyte fuel cell

#214
20100055534
2010-03-04

Electrolyte membrane, methods of manufacture thereof and articles comprising the same

#215
20100047658
2010-02-25

ION-CONDUCTING MEMBRANE

#216
20100047657
2010-02-25

Gradient reinforced proton exchange membrane

#217
20100047655
2010-02-25

Method for preparing a solution of a sulfonated polymer and an amino-phosphonic acid in an aprotic solvent

#218
20100047631
2010-02-25

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

#219
20100040929
2010-02-18

Laminated electrolyte membrane, method of preparing the same, and membrane electrode assembly and fuel cell including the laminated electrolyte membrane

#220
20100021777
2010-01-28

Alkaline membrane fuel cells and apparatus and methods for supplying water thereto

#221
20100009232
2010-01-14

Fuel cell assembly

#222
20100003569
2010-01-07

Chalcogen catalysts for polymer electrolyte fuel cell

#223
20090325030
2009-12-31

FUEL CELL ELECTROLYTE MEMBRANE WITH ACIDIC POLYMER

#224
20090306295
2009-12-10

Materials comprising polydienes and hydrophilic polymers and related methods

#225
20090305127
2009-12-10

Microporous material and a method of making same

#226
20090305110
2009-12-10

Electrolyte membrane-electrode membrane assembly for solid polymer fuel cell and production method thereof, and fuel cell equipped therewith

#227
20090297911
2009-12-03

Polyelectrolyte membranes and methods for making

#228
20090297910
2009-12-03

Proton exchange membranes based on heterocycles and acids through an organic-inorganic hybrid process

#229
20090297909
2009-12-03

Production method of electrolyte membrane, electrolyte membrane and solid polymer fuel cell using same

#230
20090291369
2009-11-26

Solid electrolyte comprising fluorine-containing polymer having fluorine-containing ether chains

#231
20090269643
2009-10-29

Proton-conducting polymer composition and method for preparation thereof, catalyst ink containing said proton-conducting polymer composition and fuel cell including said catalyst ink

#232
20090263699
2009-10-22

Diaphragm for solid polymer fuel cell and membrane-electrode assembly

#233
20090258274
2009-10-15

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS OF INCREASED POWER

#234
20090258273
2009-10-15

Assemblies for electrochemical devices

#235
20090253016
2009-10-08

POROUS MEMBRANE, METHOD FOR PRODUCING POROUS MEMBRANE, SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL

#236
20090246592
2009-10-01

Membrane/electrode assembly for polymer electrolyte fuel cells and polymer electrolyte fuel cell

#237
20090226773
2009-09-10

Fuel cell system and method of repairing electrolyte membrane thereof

#238
20090220844
2009-09-03

Electrolyte Membrane and Solid Polymer Fuel Cell

#239
20090220840
2009-09-03

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

#240
20090208810
2009-08-20

Process for producing polymer electrolyte emulsion

#241
20090208808
2009-08-20

Diaphragm for direct-liquid fuel cell and process for producing the same

#242
20090197149
2009-08-06

Fuel Cell Assembly

#243
20090173442
2009-07-09

Method for producing fuel cell electrolyte membrane and method for producing membrane-electrode assembly

#244
20090169957
2009-07-02

Porous material for fuel cell electrolyte membrane, method for producing the same, electrolyte membrane for solid polymer fuel cell, membrane electrode assembly (MEA), and fuel cell

#245
20090169955
2009-07-02

MEMBRANE FOR FUEL CELLS, CONTAINING POLYMERS COMPRISING PHOSPHONIC ACID GROUPS AND/OR SULFONIC ACID GROUPS, MEMBRANE UNITS AND THE USE THEREOF IN FUEL CELLS

#246
20090169954
2009-07-02

Electrolyte Membrane and Fuel Cell Using the Same

#247
20090169950
2009-07-02

PRODUCTION OF CATALYST COATED MEMBRANES

#248
20090162716
2009-06-25

Method of Manufacturing Fuel Cell

#249
20090142638
2009-06-04

COMPOSITE POROUS MEMBRANE, METHOD FOR PRODUCING COMPOSITE POROUS MEMBRANE, SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL

#250
20090136787
2009-05-28

FLUORINATION OF A POROUS HYDROCARBON-BASED POLYMER FOR USE AS COMPOSITE MEMBRANE

#251
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

#252
20090123804
2009-05-14

Polymer electrolyte membrane for solid polymer fuel cell, membrane-electrode assembly and fuel cell

#253
20090117442
2009-05-07

Method of forming a fuel cell stack

#254
20090087713
2009-04-02

Membrane catalyst layer assembly with reinforcing films, membrane electrode assembly with reinforcing films, and polymer electrolyte fuel cells

#255
20090076178
2009-03-19

Cross-linkable bi-sulphonyl derivatives and their uses for preparing ion-exchanging membranes

#256
20090075150
2009-03-19

Material for solid polyelectrolyte suitable for use in fuel cell

#257
20090075149
2009-03-19

Solid acid electrolytes for electrochemical devices

#258
20090068531
2009-03-12

Solid electrolyte with high ion-conductivity and method for manufacturing the same, and electrochemical system using solid electrolyte

#259
20090068513
2009-03-12

Fuel cell

#260
20090043068
2009-02-12

Organic superacids, polymers, derived from organic superacids, and methods of making and using the same

#261
20090042067
2009-02-12

Membrane/electrode assembly for polymer electrolyte fuel cell

#262
20090039346
2009-02-12

Mesoporous thin film and method of producing the same

#263
20090035634
2009-02-05

Electrolyte Membrane-Electrode Assembly And Method For Production Thereof

#264
20090017360
2009-01-15

Oligomeric and polymeric aromatic phosphonic acids, their blends, processes for preparing them and uses as polyelectrolytes

#265
20090017359
2009-01-15

Method for Manufacturing Membrane Electrode Assembly and Reinforced Electrolyte Membrane in Polymer Electrolyte Fuel Cell, and Mebrane Electrode Assembly and Reinforced Electrolyte Membrane Obtained by the Manufacturing Method

#266
20090017356
2009-01-15

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

#267
20090004548
2009-01-01

Electrolyte Membrane, Method for Producing Membrane Electrode Assembly, and Fuel Cell

#268
20080318112
2008-12-25

Fuel cell module with membrane swelling control structure

#269
20080318103
2008-12-25

Fuel Cell System

#270
20080315447
2008-12-25

Method of making a microporous material

#271
20080312350
2008-12-18

Crosslinked aromatic polymer electrolyte membrane and method for producing same

#272
20080300332
2008-12-04

MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME

#273
20080292934
2008-11-27

Porous composite product for the production of a catalytic layer, in particular in fuel cell electrodes

#274
20080286627
2008-11-20

Electrolyte Membrane and Fuel Cell Employing Said Electrolyte Membrane

#275
20080269409
2008-10-30

Composite Membranes of High Homogeneity

#276
20080269360
2008-10-30

Solid-state polymer electrolyte membrane, method for manufacture thereof and solid-state polymer electrolyte fuel cell therewith

#277
20080261102
2008-10-23

Sulfonated-perfluorocyclobutane polyelectrolyte membranes for fuel cells

#278
20080248364
2008-10-09

Proton conducting aromatic polyether type copolymers bearing main and side chain pyridine groups for use in proton exchange membrane fuel cells

#279
20080241629
2008-10-02

Fuel cell having fuel tank directly attached to anode allowing pump-free fuel delivery

#280
20080241623
2008-10-02

Passive recovery of liquid water produced by fuel cells

#281
20080241604
2008-10-02

Microstructures and methods of fabrication thereof

#282
20080233454
2008-09-25

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

#283
20080233452
2008-09-25

Polyelectrolyte material, method for producing polyelectrolyte material, polyelectrolyte component, fuel cell, and method for producing fuel cell

#284
20080233439
2008-09-25

Method of adjusting fuel distribution, membrane which adjusts fuel distribution, method of producing membrane which adjusts fuel distribution, fuel cell, and method of producing fuel cell

#285
20080233271
2008-09-25

Layered Structures And Method For Producing The Same

#286
20080226952
2008-09-18

PROCESSES FOR ACTIVATING MEMBRANE ELECTRODE ASSEMBLIES

#287
20080226951
2008-09-18

Fuel cell

#288
20080187818
2008-08-07

Temperature dependent ionic gate

#289
20080187807
2008-08-07

Fuel Cells With Reduced Weight and Volume

#290
20080182147
2008-07-31

Electrochemical device configurations

#291
20080166619
2008-07-10

Electrolytic membrane

#292
20080160374
2008-07-03

Functional membrane and electrolyte membrane for fuel cells and method for producing the same

#293
20080160356
2008-07-03

Metal-Organic Solids for Use in Proton Exchange Membranes

#294
20080152992
2008-06-26

CONSTITUENT MEMBER FOR MEMBRANE ELECTRODE ASSEMBLY, MEMBRANE ELECTRODE ASSEMBLY, POLYMER ELECTROLYTE FUEL CELL, AND METHOD FOR PRODUCING CONSTITUENT MEMBER AND MEMBRANE ELECTRODE ASSEMBLY

#295
20080152957
2008-06-26

Non-functional fuel cell for fuel cell stack

#296
20080138697
2008-06-12

Reinforcing Material For Proton Conductive Membrane, and Proton Conductive Membrane Using the Same and Fuel Cell

#297
20080124601
2008-05-29

Device with ceramic thin plate member and metal thin plate member

#298
20080118785
2008-05-22

Method of removing ions from a fuel cell system

#299
20080107927
2008-05-08

Edge design for ePTFE-reinforced membranes for PEM fuel cells

#300
20080107803
2008-05-08

Method of manufacturing multilayer electrolyte reinforced composite membrane