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IPC entry: H01M 8/1018 3-dot subgroup [Version 2024.01 (current), Language EN - English]

Symbol Select IPC entry Title
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONS; TRANSPORTING
C
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CHEMISTRY; METALLURGY
D
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TEXTILES; PAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G
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PHYSICS
H
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ELECTRICITY
H01
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ELECTRIC ELEMENTS
H01B
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CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F 1/00; waveguides H01P)
H01C
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RESISTORS
H01F
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MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES [2]
H01G
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CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B 3/00; capacitors having potential barriers H01L 29/00)
H01H
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ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B 7/10;  electrolytic self-interrupters H01G 9/18;  emergency protective circuit arrangements H02H;  switching by electronic means without contact-making H03K 17/00)
H01J
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ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; arc lamps with consumable electrodes H05B; particle accelerators H05H)
H01K
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ELECTRIC INCANDESCENT LAMPS (details, apparatus or processes for manufacture applicable to both discharge devices and incandescent lamps H01J;  light sources using a combination of incandescent and other types of light generation H01J 61/96, H05B 35/00)
H01L
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SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 (use of semiconductor devices for measuring G01;  resistors in general H01C;  magnets, inductors or transformers H01F;  capacitors in general H01G;  electrolytic devices H01G 9/00;  batteries or accumulators H01M;  waveguides, resonators or lines of the waveguide type H01P;  line connectors or current collectors H01R;  stimulated-emission devices H01S;  electromechanical resonators H03H;  loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R;  electric light sources in general H05B;  printed circuits, hybrid circuits, casings or constructional details of electrical apparatus, manufacture of assemblages of electrical components H05K;  use of semiconductor devices in circuits having a particular application, see the subclass for the application) [2]
H01M
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PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY [2]
H01M 4/00
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Electrodes [2, 2006.01]
H01M 6/00
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Primary cells; Manufacture thereof [2, 2006.01]
H01M 8/00
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Fuel cells; Manufacture thereof [2, 2006.01, 2016.01]
H01M 8/008
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. Disposal or recycling of fuel cells [2016.01]
H01M 8/02
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. Details (electrodes H01M 4/86-H01M 4/98) [2, 2006.01, 2016.01]
H01M 8/0202
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. . Collectors; Separators, e.g. bipolar separators; Interconnectors [2016.01]
H01M 8/0204
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. . . Non-porous and characterised by the material [2016.01]
H01M 8/0206
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. . . . Metals or alloys [2016.01]
H01M 8/0208
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. . . . . Alloys [2016.01]
H01M 8/021
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. . . . . . Alloys based on iron [2016.01]
H01M 8/0213
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. . . . Gas-impermeable carbon-containing materials [2016.01]
H01M 8/0215
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. . . . Glass; Ceramic materials [2016.01]
H01M 8/0217
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. . . . . Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites [2016.01]
H01M 8/0221
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. . . . Organic resins; Organic polymers [2016.01]
H01M 8/0223
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. . . . Composites [2016.01]
H01M 8/0226
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. . . . . in the form of mixtures [2016.01]
H01M 8/0228
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. . . . . in the form of layered or coated products [2016.01]
H01M 8/023
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. . . Porous and characterised by the material [2016.01]
H01M 8/0232
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. . . . Metals or alloys [2016.01]
H01M 8/0234
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. . . . Carbonaceous material [2016.01]
H01M 8/0236
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. . . . Glass; Ceramics; Cermets [2016.01]
H01M 8/0239
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. . . . Organic resins; Organic polymers [2016.01]
H01M 8/0241
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. . . . Composites [2016.01]
H01M 8/0243
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. . . . . in the form of mixtures [2016.01]
H01M 8/0245
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. . . . . in the form of layered or coated products [2016.01]
H01M 8/0247
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. . . characterised by the form (characterised by a channel configuration H01M 8/0258) [2016.01]
H01M 8/025
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. . . . semicylindrical [2016.01]
H01M 8/0252
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. . . . tubular [2016.01]
H01M 8/0254
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. . . . corrugated or undulated [2016.01]
H01M 8/0256
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. . . . Vias, i.e. connectors passing through the separator material [2016.01]
H01M 8/0258
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. . . characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant [2016.01]
H01M 8/026
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. . . . characterised by grooves, e.g. their pitch or depth [2016.01]
H01M 8/0263
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. . . . having meandering or serpentine paths [2016.01]
H01M 8/0265
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. . . . the reactant or coolant channels having varying cross sections [2016.01]
H01M 8/0267
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. . . having heating or cooling means, e.g. heaters or coolant flow channels [2016.01]
H01M 8/0271
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. . Sealing or supporting means around electrodes, matrices or membranes [2016.01]
H01M 8/0273
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. . . with sealing or supporting means in the form of a frame [2016.01]
H01M 8/0276
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. . . Sealing means characterised by their form (H01M 8/0273 takes precedence) [2016.01]
H01M 8/028
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. . . Sealing means characterised by their material [2016.01]
H01M 8/0282
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. . . . Inorganic material [2016.01]
H01M 8/0284
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. . . . Organic resins; Organic polymers [2016.01]
H01M 8/0286
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. . . Processes for forming seals [2016.01]
H01M 8/0289
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. . Means for holding the electrolyte (solid polymer electrolytes H01M 8/1018) [2016.01]
H01M 8/0293
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. . . Matrices for immobilising electrolyte solutions [2016.01]
H01M 8/0295
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. . . Matrices for immobilising electrolyte melts [2016.01]
H01M 8/0297
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. . Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other (H01M 8/0271 takes precedence) [2016.01]
H01M 8/04
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. Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids [2, 2006.01, 2016.01]
H01M 8/04007
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. . related to heat exchange [2016.01]
H01M 8/04014
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. . . Heat exchange using gaseous fluids; Heat exchange by combustion of reactants [2016.01]
H01M 8/04029
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. . . Heat exchange using liquids [2016.01]
H01M 8/04044
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. . . Purification of heat exchange media [2016.01]
H01M 8/04082
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. . Arrangements for control of reactant parameters, e.g. pressure or concentration [2016.01]
H01M 8/04089
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. . . of gaseous reactants [2016.01]
H01M 8/04111
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. . . . using a compressor turbine assembly [2016.01]
H01M 8/04119
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. . . . with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying [2016.01]
H01M 8/04186
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. . . of liquid-charged or electrolyte-charged reactants [2016.01]
H01M 8/04223
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. . during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells [2016.01]
H01M 8/04225
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. . . during start-up [2016.01]
H01M 8/04228
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. . . during shut-down [2016.01]
H01M 8/04276
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. . Arrangements for managing the electrolyte stream, e.g. heat exchange [2016.01]
H01M 8/04291
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. . Arrangements for managing water in solid electrolyte fuel cell systems (H01M 8/04119 takes precedence) [2016.01]
H01M 8/04298
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. . Processes for controlling fuel cells or fuel cell systems [2016.01]
H01M 8/043
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. . . applied during specific periods [2016.01]
H01M 8/04302
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. . . . applied during start-up [2016.01]
H01M 8/04303
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. . . . applied during shut-down [2016.01]
H01M 8/04313
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. . . characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function [2016.01]
H01M 8/0432
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. . . . Temperature; Ambient temperature [2016.01]
H01M 8/0438
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. . . . Pressure; Ambient pressure; Flow [2016.01]
H01M 8/0444
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. . . . Concentration; Density (H01M 8/04492 takes precedence) [2016.01]
H01M 8/04492
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. . . . Humidity; Ambient humidity; Water content [2016.01]
H01M 8/04537
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. . . . Electric variables [2016.01]
H01M 8/04664
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. . . . Failure or abnormal function [2016.01]
H01M 8/04694
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. . . characterised by variables to be controlled [2016.01]
H01M 8/04701
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. . . . Temperature [2016.01]
H01M 8/04746
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. . . . Pressure; Flow [2016.01]
H01M 8/04791
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. . . . Concentration; Density (H01M 8/04828 takes precedence) [2016.01]
H01M 8/04828
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. . . . Humidity; Water content [2016.01]
H01M 8/04858
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. . . . Electric variables [2016.01]
H01M 8/04955
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. . . . Shut-off or shut-down of fuel cells [2016.01]
H01M 8/04992
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. . . characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence [2016.01]
H01M 8/06
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. Combination of fuel cells with means for production of reactants or for treatment of residues (regenerative fuel cells H01M 8/18) [2, 2006.01, 2016.01]
H01M 8/0606
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. . with means for production of gaseous reactants [2016.01]
H01M 8/0612
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. . . from carbon-containing material [2016.01]
H01M 8/0637
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. . . . Direct internal reforming at the anode of the fuel cell [2016.01]
H01M 8/065
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. . . by dissolution of metals or alloys; by dehydriding metallic substances [2016.01]
H01M 8/0656
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. . . by electrochemical means (H01M 8/065 takes precedence) [2016.01]
H01M 8/0662
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. . Treatment of gaseous reactants or gaseous residues, e.g. cleaning [2016.01]
H01M 8/0668
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. . . Removal of carbon monoxide or carbon dioxide [2016.01]
H01M 8/08
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. Fuel cells with aqueous electrolytes [2, 2006.01, 2016.01]
H01M 8/083
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. . Alkaline fuel cells [2016.01]
H01M 8/086
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. . Phosphoric acid fuel cells [PAFC] [2016.01]
H01M 8/10
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. Fuel cells with solid electrolytes [2, 2006.01, 2016.01]
H01M 8/1004
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. . characterised by membrane-electrode assemblies [MEA] (H01M 8/12 takes precedence) [2016.01]
H01M 8/1006
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. . . Corrugated, curved or wave-shaped MEA [2016.01]
H01M 8/1007
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. . with both reactants being gaseous or vaporised (H01M 8/12 takes precedence) [2016.01]
H01M 8/1009
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. . with one of the reactants being liquid, solid or liquid-charged (H01M 8/12 takes precedence) [2016.01]
H01M 8/1011
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. . . Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC] [2016.01]
H01M 8/1016
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. . characterised by the electrolyte material (H01M 8/12 takes precedence) [2016.01]
H01M 8/1018
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. . . Polymeric electrolyte materials [2016.01]
H01M 8/102
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. . . . characterised by the chemical structure of the main chain of the ion-conducting polymer [2016.01]
H01M 8/1023
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. . . . . having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes [2016.01]
H01M 8/1025
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. . . . . having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters [2016.01]
H01M 8/1027
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. . . . . having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES] [2016.01]
H01M 8/103
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. . . . . having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh] [2016.01]
H01M 8/1032
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. . . . . having sulfur, e.g. sulfonated-polyethersulfones [S-PES] [2016.01]
H01M 8/1034
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. . . . . having phosphorus, e.g. sulfonated polyphosphazenes [S-PPh] [2016.01]
H01M 8/1037
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. . . . . having silicon, e.g. sulfonated crosslinked polydimethylsiloxanes [2016.01]
H01M 8/1039
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. . . . halogenated, e.g. sulfonated polyvinylidene fluorides [2016.01]
H01M 8/1041
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. . . . Polymer electrolyte composites, mixtures or blends [2016.01]
H01M 8/1044
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. . . . . Mixtures of polymers, of which at least one is ionically conductive [2016.01]
H01M 8/1046
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. . . . . Mixtures of at least one polymer and at least one additive [2016.01]
H01M 8/1048
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. . . . . . Ion-conducting additives, e.g. ion-conducting particles, heteropolyacids, metal phosphate or polybenzimidazole with phosphoric acid [2016.01]
H01M 8/1051
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. . . . . . Non-ion-conducting additives, e.g. stabilisers, SiO2 or ZrO2 [2016.01]
H01M 8/1053
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. . . . . consisting of layers of polymers with at least one layer being ionically conductive [2016.01]
H01M 8/1058
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. . . . characterised by a porous support having no ion-conducting properties [2016.01]
H01M 8/106
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. . . . . characterised by the chemical composition of the porous support [2016.01]
H01M 8/1062
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. . . . . characterised by the physical properties of the porous support, e.g. its porosity or thickness [2016.01]
H01M 8/1065
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. . . . characterised by the form, e.g. perforated or wave-shaped [2016.01]
H01M 8/1067
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. . . . characterised by their physical properties, e.g. porosity, ionic conductivity or thickness [2016.01]
H01M 8/1069
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. . . . characterised by the manufacturing processes [2016.01]
H01M 8/1072
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. . . . . by chemical reactions, e.g. insitu polymerisation or insitu crosslinking [2016.01]
H01M 8/1081
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. . . . . starting from solutions, dispersions or slurries exclusively of polymers [2016.01]
H01M 8/1086
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. . . . . After-treatment of the membrane other than by polymerisation [2016.01]
H01M 8/1088
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. . . . . . Chemical modification, e.g. sulfonation [2016.01]
H01M 8/1097
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. . Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports [2016.01]
H01M 8/12
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. . operating at high temperature, e.g. with stabilised ZrO2 electrolyte [2, 2006.01, 2016.01]
H01M 8/1213
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. . . characterised by the electrode/electrolyte combination or the supporting material [2016.01]
H01M 8/122
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. . . . Corrugated, curved or wave-shaped MEA [2016.01]
H01M 8/1226
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. . . . characterised by the supporting layer [2016.01]
H01M 8/1231
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. . . with both reactants being gaseous or vaporised [2016.01]
H01M 8/1233
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. . . with one of the reactants being liquid, solid or liquid-charged [2016.01]
H01M 8/124
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. . . characterised by the process of manufacturing or by the material of the electrolyte [2016.01]
H01M 8/1246
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. . . . the electrolyte consisting of oxides [2016.01]
H01M 8/1253
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. . . . . the electrolyte containing zirconium oxide [2016.01]
H01M 8/126
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. . . . . the electrolyte containing cerium oxide [2016.01]
H01M 8/1286
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. . . Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports [2016.01]
H01M 8/14
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. Fuel cells with fused electrolytes [2, 2006.01]
H01M 8/16
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. Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts [2, 2006.01]
H01M 8/18
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. Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells [2, 2006.01]
H01M 8/20
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. Indirect fuel cells, e.g. fuel cells with redox couple being irreversible (H01M 8/18 takes precedence) [2, 2006.01]
H01M 8/22
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. Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen [2, 2006.01]
H01M 8/24
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. Grouping of fuel cells, e.g. stacking of fuel cells [2, 2006.01, 2016.01]
H01M 8/2404
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. . Processes or apparatus for grouping fuel cells [2016.01]
H01M 8/241
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. . with solid or matrix-supported electrolytes [2016.01]
H01M 8/2418
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. . . Grouping by arranging unit cells in a plane (H01M 8/2425, H01M 8/244 take precedence) [2016.01]
H01M 8/242
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. . . comprising framed electrodes or intermediary frame-like gaskets (H01M 8/2425, H01M 8/244 take precedence) [2016.01]
H01M 8/2425
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. . . High-temperature cells with solid electrolytes [2016.01]
H01M 8/2428
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. . . . Grouping by arranging unit cells on a surface of any form, e.g. planar or tubular [2016.01]
H01M 8/243
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. . . . Grouping of unit cells of tubular or cylindrical configuration [2016.01]
H01M 8/2432
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. . . . Grouping of unit cells of planar configuration [2016.01]
H01M 8/2435
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. . . . with monolithic core structure, e.g. honeycombs [2016.01]
H01M 8/244
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. . . with matrix-supported molten electrolyte [2016.01]
H01M 8/2455
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. . with liquid, solid or electrolyte-charged reactants [2016.01]
H01M 8/2457
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. . with both reactants being gaseous or vaporised [2016.01]
H01M 8/2465
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. . Details of groupings of fuel cells [2016.01]
H01M 8/247
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. . . Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks [2016.01]
H01M 8/2475
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. . . . Enclosures, casings or containers of fuel cell stacks [2016.01]
H01M 8/248
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. . . . Means for compression of the fuel cell stacks [2016.01]
H01M 8/2483
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. . . characterised by internal manifolds [2016.01]
H01M 8/2484
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. . . characterised by external manifolds [2016.01]
H01M 8/2485
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. . . . Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack [2016.01]
H01M 8/249
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. . comprising two or more groupings of fuel cells, e.g. modular assemblies [2016.01]
H01M 8/2495
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. . . of fuel cells of different types [2016.01]
H01M 10/00
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Secondary cells; Manufacture thereof [2, 2006.01]
H01M 12/00
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Hybrid cells; Manufacture thereof (hybrid capacitors H01G 11/00) [2, 2006.01]
H01M 14/00
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Electrochemical current or voltage generators not provided for in groups H01M 6/00-H01M 12/00; Manufacture thereof [2, 2006.01]
H01M 16/00
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Structural combinations of different types of electrochemical generators [2, 2006.01]
H01M 50/00
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Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells [2021.01]
H01P
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WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B)
H01Q
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ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B 6/72)
H01R
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ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01S
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DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
H01T
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SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10
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SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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