ClassID:

213575

H01M8/086 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Fuel cells with aqueous electrolytes Phosphoric acid fuel cells [PAFC]

Recent Application in this class:
#1
20260005274
2026-01-01

POWER PLANT SYSTEMS AND METHODS OF OPERATION ASSOCIATED WITH VARIED HYDROGEN PURITY

#2
20250266470
2025-08-21

STACKABLE ELECTRO-SYNTHETIC OR ELECTRO-ENERGY CELLS

#3
20250105310
2025-03-27

COMPONENT FOR FUEL CELL

#4
20250079490
2025-03-06

Phosphoric Acid Replenishment

#5
20240234772
2024-07-11

CHLORIDE-FREE ELECTROLYTE COMPOSITION FOR PROLONGED OPERATION AT HIGH TEMPERATURES (>40°C) IN VANADIUM REDOX FLOW BATTERIES

#6
20240136558
2024-04-25

CHLORIDE-FREE ELECTROLYTE COMPOSITION FOR PROLONGED OPERATION AT HIGH TEMPERATURES (>40°C) IN VANADIUM REDOX FLOW BATTERIES

#7
20230335761
2023-10-19

CLASS OF MODIFIED CATALYSTS, PROCESS FOR PREPARING THE MODIFIED CATALYSTS AND IMPLEMENTATION OF THE MODIFIED CATALYSTS TO BOOST ELECTROLYTE RETENTION IN PHOSPHORIC ACID FUEL CELLS

#8
20220271297
2022-08-25

Fuel cell catalyst composition and fuel cell containing same

#9
20200161668
2020-05-21

Fuel cell spacer and electrolyte reservoir

#10
20200006795
2020-01-02

Hybrid fuel cell with polymeric proton exchange membranes and acidic liquid electrolyte

#11
20190165401
2019-05-30

Fuel cell assembly including varied flow resistance

#12
20190165386
2019-05-30

Fuel cell assembly including multiple flow capacities in a condensation zone

#13
20190097254
2019-03-28

Fuel cell manifold assembly including a self-supporting polymer material liner

#14
20180375118
2018-12-27

LIQUID ELECTROLYTE FUEL CELL COMPONENT WITH INCREASED ELECTROLYTE STORAGE CAPACITY

#15
20180183075
2018-06-28

Separator plate, membrane electrode assembly and fuel cell

#16
20180166695
2018-06-14

TERNARY PLATINUM ALLOY CATALYST

#17
20180159139
2018-06-07

Nanofibers decorated with nanoparticles and methods of their manufacture

#18
20180141674
2018-05-24

Power system for more electric aircraft

#19
20180062184
2018-03-01

Boron phosphate matrix layer

#20
20180053960
2018-02-22

Fuel cell manifold assembly including a self-supporting polymer material liner

#21
20180053954
2018-02-22

Preventing migration of liquid electrolyte out of a fuel cell

#22
20180034088
2018-02-01

Vortex tube reformer for hydrogen production, separation, and integrated use

#23
20170279141
2017-09-28

Vortex tube reformer for hydrogen production, separation, and integrated use

#24
20170237101
2017-08-17

Phosphoric acid-based electrolytes and applications thereof

#25
20170170497
2017-06-15

Fuel cell electrolyte management device

#26
20170149072
2017-05-25

Integrated heat pump and fuel cell power plant

#27
20170141411
2017-05-18

GAS DIFFUSION ELECTRODE, ELECTROCHEMICAL DEVICE, AND FUEL CELL

#28
20170098853
2017-04-06

Fuel cell manifold including a coating to reduce the possibility of an electrical short

#29
20170069916
2017-03-09

Metal oxide-carbon nanomaterial composite, method of preparing the same, catalyst, method of preparing the same, and catalyst layer for fuel cell electrodes

#30
20170012298
2017-01-12

Molding process for making fuel cell components

#31
20160268609
2016-09-15

Composition, method of preparing the composition, electrode including the composition, and fuel cell including the electrode

#32
20160181630
2016-06-23

Method for making a membrane-electrode assembly with peripheral seal, and the membrane-electrode assembly

#33
20160149245
2016-05-26

Method of plasma-catalyzed, thermally-integrated reforming

#34
20160043418
2016-02-11

Fuel cell having multiple duplicate anode substrate layers

#35
20160006067
2016-01-07

ASSEMBLY FOR MAKING A FUEL CELL COMPONENT AND A METHOD OF USING THE ASSEMBLY

#36
20160006037
2016-01-07

LIQUID-ELECTROLYTE FUEL-CELL ELECTRODES WITH SOLUBLE FLUOROPOLYMER COATING AND METHOD FOR MAKING SAME

#37
20150380758
2015-12-31

Co-tolerant catalyst for PAFC

#38
20150380747
2015-12-31

Phosphoric acid fuel cell component having a polymer impregnated region

#39
20150372323
2015-12-24

Fuel cell component having a flap extending from a polymer impregnated region

#40
20150349364
2015-12-03

Hydrogen generation apparatus, fuel cell system including the same, method of operating hydrogen generation apparatus and method of operating fuel cell system

#41
20150340705
2015-11-26

Non-noble metal electrocatalysts for oxygen depolarized cathodes and their uses

#42
20150207328
2015-07-23

Management system, management method, control apparatus, and power generation apparatus

#43
20150180071
2015-06-25

Fuel cells for use at elevated temperatures and pressures

#44
20150155575
2015-06-04

Fuel cell system and method of operating fuel cell system

#45
20150044588
2015-02-12

Plasma-catalyzed, thermally-integrated reformer for fuel cell systems

#46
20150030961
2015-01-29

FUEL CELLS

#47
20140370402
2014-12-18

Electrolyte generation within a fuel cell

#48
20140329160
2014-11-06

System and method for thermal priority operation of a fuel cell power plant

#49
20140255811
2014-09-11

Molded coolant plate assembly with integral reactant flow fields and thermal dam

#50
20140227615
2014-08-14

Water recapture/recycle system in electrochemical cells

#51
20140205928
2014-07-24

Ternary platinum alloy catalyst

#52
20140141265
2014-05-22

Graphene-layered structure, method of preparing the same, and transparent electrode and transistor including graphene-layered structure

#53
20140080014
2014-03-20

Power generation method using a fuel cell having a stabilized cathode catalyst

#54
20140051001
2014-02-20

Energy dissipation device for controlling flow of a fuel cell fluid

#55
20130337365
2013-12-19

Composite support, method of preparing the same, electrode catalyst including the composite support, and membrane-electrode assembly and fuel cell each including the electrode catalyst

#56
20130260280
2013-10-03

Gas decomposition component, method for producing gas decomposition component, and power generation apparatus

#57
20130209912
2013-08-15

Catalyst

#58
20130078077
2013-03-28

Heat treat configuration for porous carbon-carbon composites

#59
20120326128
2012-12-27

Graphene-layered structure, method of preparing the same, and transparent electrode and transistor including graphene-layered structure

#60
20120316060
2012-12-13

Platinum monolayer on hollow, porous nanoparticles with high surface areas and method of making

#61
20120276472
2012-11-01

Stainless steel for fuel cell having good corrosion resistance and method for producing the same

#62
20120273366
2012-11-01

Hydrogen or oxygen electrochemical pumping catalytic membrane reactor and its applications

#63
20120270133
2012-10-25

Fuel cell stack

#64
20120164548
2012-06-28

Fuel cell system that provides high grade heat to an absorption chiller

#65
20120141910
2012-06-07

Multiple Membrane Layers in a Fuel Cell Membrane-Electrode Assembly

#66
20120129059
2012-05-24

FUEL-CELL-MOUNTED VEHICLE AND LIQUID EJECTION METHOD

#67
20120122002
2012-05-17

PHOSPHORIC ACID FUEL CELL WITH INTEGRATED ABSORPTION CYCLE REFRIGERATION SYSTEM

#68
20120115064
2012-05-10

Process for producing fuel cell catalyst, fuel cell catalyst obtained by production process, and uses thereof

#69
20120094199
2012-04-19

CATALYST FOR ELECTROCHEMICAL APPLICATIONS

#70
20120052409
2012-03-01

Method for generating an electric power with use of a fuel cell and a fuel cell

#71
20120046161
2012-02-23

Ternary platinum alloy catalyst

#72
20120045710
2012-02-23

GAS DIFFUSION SUBSTRATE

#73
20120028172
2012-02-02

Manufacture of a fuel cell with liquid electrolyte migration prevention

#74
20120028160
2012-02-02

Preventing migration of liquid electrolyte out of a fuel cell

#75
20120021310
2012-01-26

Fuel cell system condensing heat exchanger

#76
20120021306
2012-01-26

ACID FUEL CELL CONDENSING HEAT EXCHANGER

#77
20110287336
2011-11-24

Electrical conductive member and polymer electrolyte fuel cell using the same

#78
20110269036
2011-11-03

Acid dilution device in condenser of phosphoric acid fuel cell

#79
20110217627
2011-09-08

Composition, method of preparing the composition, electrode including the composition, and fuel cell including the electrode

#80
20110217607
2011-09-08

ANODE UTILIZATION CONTROL SYSTEM FOR A FUEL CELL POWER PLANT

#81
20110207019
2011-08-25

Platinum alloy electrocatalyst with enhanced resistance to anion poisoning for low and medium temperature fuel cells

#82
20110195326
2011-08-11

Apparatus including sodium chlorate electrolysis cell connected by water cooled catalytic reactor to phosphoric acid fuel cell

#83
20110189583
2011-08-04

Catalyst, production process therefor and use thereof

#84
20110159391
2011-06-30

Fuel cell system

#85
20110143242
2011-06-16

Electrochemical system having multiple independent circuits

#86
20110053018
2011-03-03

High power density fuel cell comprising an array of microchannels

#87
20100323278
2010-12-23

High power density fuel cell comprising an array of microchannels

#88
20100316930
2010-12-16

Fuel cell having a stabilized cathode catalyst

#89
20100310960
2010-12-09

Fuel cell in which proton conductive gel is used and manufacturing method thereof, and electric power generation method

#90
20100304960
2010-12-02

ALLOY FUEL CELL CATALYSTS

#91
20100304268
2010-12-02

TERNARY ALLOY CATALYSTS FOR FUEL CELLS

#92
20100304231
2010-12-02

Integrated contaminant separator and water-control loop for a fuel reactant stream

#93
20100273090
2010-10-28

Micro-electro-mechanical systems phosphoric acid fuel cell

#94
20100230031
2010-09-16

Heat treat configuration for porous carbon-carbon composites

#95
20100227239
2010-09-09

METHOD AND APPARATUS FOR OPERATING A FUEL CELL IN COMBINATION WITH AN ABSORPTION CHILLER

#96
20100189997
2010-07-29

Stainless steel member for a fuel cell

#97
20100189990
2010-07-29

HIGH THERMAL CONDUCTIVITY ELECTRODE SUBSTRATE

#98
20100178579
2010-07-15

Bipolar plate for a fuel cell and fuel cell stack

#99
20100151298
2010-06-17

PROTON CONDUCTOR FOR FUEL CELL, ELECTRODE FOR FUEL CELL INCLUDING THE PROTON CONDUCTOR, AND FUEL CELL INCLUDING THE ELECTRODE

#100
20100136443
2010-06-03

Volatile organic compound abatement with fuel cell power plant

#101
20100119911
2010-05-13

LIQUID ELECTROLYTE FUEL CELL HAVING HIGH PERMEABILITY WICKING TO RETURN CONDENSED ELECTROLYTE

#102
20100119885
2010-05-13

Tailored heat transfer characteristic of fuel cell coolers

#103
20100055541
2010-03-04

Fuel cell assembly having long life characteristics

#104
20100055539
2010-03-04

Fuel cell separator and method for producing the same

#105
20100055529
2010-03-04

WETTABILITY INK, PROCESS AND CARBON COMPOSITE ARTICLES MADE THEREWITH

#106
20100015502
2010-01-21

Fuel cell bipolar plate, and fuel cell

#107
20090325033
2009-12-31

Liquid electrolyte fuel cell having an anode substrate layer thicker than the cathode substrate layer

#108
20090280374
2009-11-12

PROCESS FOR SEALING PLATES IN A FUEL CELL

#109
20090267250
2009-10-29

Fuel Cell Separator Material and Process of Producing the Same

#110
20090233144
2009-09-17

Polymer electrolyte membrane with coating layer of anion binding agent and fuel cell using same

#111
20090202871
2009-08-13

Metal-coated carbon surfaces for use in fuel cells

#112
20090197149
2009-08-06

Fuel Cell Assembly

#113
20090068524
2009-03-12

ANHYDROUS PROTON CONDUCTOR BASED ON HETEROCYCLE ATTACHED TO A POLYMER BACKBONE

#114
20090053565
2009-02-26

Fuel cell, components and systems

#115
20090039346
2009-02-12

Mesoporous thin film and method of producing the same

#116
20090035644
2009-02-05

Microfluidic Fuel Cell Electrode System

#117
20090022972
2009-01-22

Metal phosphate composite and dense material comprised of the same

#118
20090017343
2009-01-15

FUEL CELL SYSTEM HAVING PHOSPHORIC ACID POLYMER ELECTROLYTE MEMBRANE AND METHOD OF STARTING THE SAME

#119
20080311448
2008-12-18

High Temperature Polymer Electrolyte Membrane Fuel Cells

#120
20080305376
2008-12-11

Electrode for fuel cell and fuel cell employing the same

#121
20080292918
2008-11-27

Electrochemical system having multiple independent circuits

#122
20080268321
2008-10-30

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

#123
20080187807
2008-08-07

Fuel Cells With Reduced Weight and Volume

#124
20080182155
2008-07-31

Carbon nanotube, support catalyst, method of preparing the support catalyst and a fuel cell comprising the support catalyst

#125
20080145744
2008-06-19

Electrode for fuel cell and fuel cell using the same

#126
20080145743
2008-06-19

Electrode for fuel cell, method of manufacturing the electrode, and fuel cell employing the electrode

#127
20080118817
2008-05-22

Additive of electrode for fuel cell, electrode for fuel cell including the same, manufacturing method thereof, and fuel cell using the same

#128
20080118789
2008-05-22

Fuel cell assembly having long life characteristics

#129
20080107952
2008-05-08

Bipolar separators with improved fluid distribution

#130
20080096060
2008-04-24

Startup and shutdown procedures for operating a fuel cell assembly

#131
20080090129
2008-04-17

Bipolar plate for fuel cell

#132
20080063921
2008-03-13

PROTON CONDUCTOR FOR FUEL CELL, ELECTRODE FOR FUEL CELL INCLUDING THE SAME, AND FUEL CELL EMPLOYING THE ELECTRODE

#133
20080057381
2008-03-06

Dissolved-fuel direct alcohol fuel cell

#134
20080057369
2008-03-06

Fuel cells employing nanostructures

#135
20080026270
2008-01-31

Fuel cell and apparatus for purifying air supplied to fuel cell

#136
20070292725
2007-12-20

Fuel Cell Assembly With Operating Temperatures For Extended Life

#137
20070269710
2007-11-22

Liquid electrolyte

#138
20070269707
2007-11-22

NANOPOROUS TUNGSTEN CARBIDE CATALYST AND PREPARATION METHOD THEREOF

#139
20070269688
2007-11-22

Liquid anode electrochemical cell

#140
20070259228
2007-11-08

Plasma-catalyzed, thermally-integrated reformer for fuel cell systems

#141
20070259225
2007-11-08

Recovering a reactant from a fuel cell exhaust flow

#142
20070243452
2007-10-18

RELIABLE FUEL CELL ELECTRODE DESIGN

#143
20070238002
2007-10-11

Fuel cell system with acid trap

#144
20070224476
2007-09-27

Fuel cell with electrolyte condensation zone

#145
20070196714
2007-08-23

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

#146
20070190399
2007-08-16

Catalysts for fuel cell electrodes based on platinum and its alloys, the preparation and use therewof, as well as fuel cells containing them

#147
20070184334
2007-08-09

Metal catalyst and fuel cell employing electrode including the same

#148
20070141429
2007-06-21

Storing energy in a fuel cell system

#149
20070141428
2007-06-21

Preventing backfeeding of current to a fuel cell stack from energy storage

#150
20070128884
2007-06-07

Metal oxynitride electrode catalyst

#151
20070105002
2007-05-10

Fuel battery

#152
20070072026
2007-03-29

Integrated electrically conductive electrochemical cell component

#153
20070065709
2007-03-22

Method and apparatus for porous catalyst on a fuel cell flow field and high temperature membrane

#154
20070059583
2007-03-15

Fuel cell system

#155
20070059571
2007-03-15

Process for sealing plates in an electrochemical cell

#156
20070042268
2007-02-22

Mesoporous carbon composite, method of preparing the same, and fuel cell using the mesoporous carbon composite

#157
20070031713
2007-02-08

High temperature fuel cell system having cooling apparatus and method of operating the same

#158
20070026272
2007-02-01

Fuel cell system

#159
20070026271
2007-02-01

Fuel cell system

#160
20070020502
2007-01-25

High temperature fuel cell system

#161
20060263662
2006-11-23

High temperature fuel cell using alkyl phosphoric acid

#162
20060263288
2006-11-23

Mesoporous carbon and method of producing the same

#163
20060246344
2006-11-02

Supports for fuel cell catalysts

#164
20060234102
2006-10-19

Fuel cell electrolyte, membrane electrode assembly, and method of manufacturing fuel cell electrolyte

#165
20060234039
2006-10-19

Method of making metal-coated carbon surfaces for use in fuel cells

#166
20060166074
2006-07-27

Fuel cell electrode assembly

#167
20060159974
2006-07-20

Anhydrous proton conductor based on heterocycle attached to a polymer backbone

#168
20060154134
2006-07-13

Fuel cell system with carbon monoxide catalyst

#169
20060154133
2006-07-13

Method and apparatus for forming a fuel cell flow field with an electrolyte retaining material

#170
20060147780
2006-07-06

Method for producing separator for fuel cell, separator for fuel cell and fuel cell

#171
20060141312
2006-06-29

Fuel cell coolers with inverse flow and condensation zone

#172
20060134509
2006-06-22

Method and apparatus for metal coated silicon fuel cell electrode

#173
20060134507
2006-06-22

Fuel cell electrode containing metal phosphate and fuel cell using the same

#174
20060134503
2006-06-22

Pillared fuel cell electrode system

#175
20060134497
2006-06-22

Manifold system for a fuel cell

#176
20060127708
2006-06-15

Method and apparatus for carbon coated silicon fuel cell electrode

#177
20060089441
2006-04-27

Solid polymer electrolyte for fuel cell and fuel cell containing the same

#178
20060057436
2006-03-16

Liquid electrochemical cell stacks and manufacturing methods for same

#179
20060019132
2006-01-26

Liquid anode electrochemical cell

#180
20060003217
2006-01-05

Planar membraneless microchannel fuel cell

#181
20050260485
2005-11-24

Micro-electro-mechanical systems phosphoric acid fuel cell

#182
20050064281
2005-03-24

Combination liquid dispenser and electrochemical cell