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DK2907184T3 - Elektrodeanordning og fremgangsmåde til fremstilling heraf - Google Patents

Elektrodeanordning og fremgangsmåde til fremstilling heraf Download PDF

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Publication number
DK2907184T3
DK2907184T3 DK13844613.3T DK13844613T DK2907184T3 DK 2907184 T3 DK2907184 T3 DK 2907184T3 DK 13844613 T DK13844613 T DK 13844613T DK 2907184 T3 DK2907184 T3 DK 2907184T3
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DK
Denmark
Prior art keywords
sealant
film
electrode
catalyst
catalytically active
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DK13844613.3T
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English (en)
Inventor
Joel Lang
Irina Kobrin
Omri Feingold
Ori Tzidon
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Oxynergy Ltd
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Publication of DK2907184T3 publication Critical patent/DK2907184T3/da

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H01M4/8626—Porous electrodes characterised by the form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
    • H01M4/8668—Binders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8817—Treatment of supports before application of the catalytic active composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H01M4/8828—Coating with slurry or ink
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
    • H01M4/8885—Sintering or firing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/923—Compounds thereof with non-metallic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • H01M8/028—Sealing means characterised by their material
    • H01M8/0284—Organic resins; Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inert Electrodes (AREA)
  • Hybrid Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Catalysts (AREA)

Claims (7)

1) Elektrodeanordning egnet til anvendelse som en luftelektrode, der omfatter et katalytisk aktivt lag (26) påført én flade af en hydrofob porøs PTFE-film (31), og en ledende strømaftager (23) trykt på den katalytisk aktive flade, hvor hvor et tætningsmiddel (50) er tilvejebragt omkring mindst en del af perimeteren af det katalytisk aktive lag, kendetegnet ved, at mindst en del af det marginale område (27) af fladen er fri for katalysator, hvor tætningsmidlet danner en coating (50) på det katalysatorfrie marginale område (27) af den hydrofobe film, hvilket tætningsmiddel trænger ind i den porøse hydrofobe PTFE-film, således at filmens porøsitet delvist udfyldes, hvor tætningsmidlet danner et kontinuerligt grænselag, der omfatter det katalytisk aktive lag.
2) Elektrodeanordning ifølge krav 1, hvor tætningsmidlet omfatter et epoxytætning smiddel.
3) Elektrodeanordning ifølge krav 1, hvor tætningsmidlet er til stede i mindst nogle af den hydrofobe porøse films porer, bestemt ved både scanningselektronmikroskopi og energidispersiv røntgenanalyse af den laterale elektrodeside, der viser en variation i fluorkoncentration over den laterale side.
4) Fremgangsmåde til fremstilling af en elektrodeanordning egnet til anvendelse som en luftelektrode ifølge krav 1, der omfatter: samling af en hydrofob film (31) og et katalytisk aktivt lag (26) med en strømaftager (23), hvor det katalytisk aktive lag og strømaftageren er anbragt på én flade af den hydrofobe film, og hvor mindst en del af det marginale område (27) af fladen er fri for katalysator; varmebehandling af den således dannede struktur; og påføring af et tætningsmiddel på det katalysatorfrie område af den katalytisk aktive flade af strukturen for at danne en tætningscoating (50) på det marginale område af den hydrofobe film.
5) Fremgangsmåde ifølge krav 4, hvor tætningsmidlet er et epoxytætningsmiddel, hvor epoxytætningsmidlet er et tokomponentsystem, der omfatter en epoxybase og et hærdemiddel, hvor epoxybasen, hærdemidlet eller begge omfatter ét eller flere organiske opløsningsmidler.
6) Fremgangsmåde ifølge krav 5, der omfatter trinnet med tilsætning af et organisk fortyndingsmiddel til epoxytætningsmidlet før dets påføring.
7) Fremgangsmåde til minimering af en elektrolytudsivning i metal/luftceller, der omfatter anvendelse i cellerne af en luftkatodeanordning, som omfatter et katalytisk aktivt lag (26) påført et centralt område af den indvendige flade af en luftpermeabel hydrofob PTFE-film (31), således at det marginale område (27) af den indvendige flade er fri for katalysator, hvor strømaftagermetalgitteret (23) er trykt på den indvendige katalytisk aktive flade, kendetegnet ved, at en tætningsmiddelcoating (50) er påført det katalysatorfrie marginale område af den indvendige overflade af filmen, hvilket tætningsmiddel danner et kontinuerligt grænselag, der omgiver det katalytisk aktive lag, hvor tætningsmidlet er et epoxytætningsmiddel, hvor epoxytætningsmidlet er et tokomponentsystem, der omfatter en epoxybase og et hærdemiddel, hvor epoxybasen, hærdemidlet eller begge omfatter én eller flere organiske opløsningsmidler, og hvor et organisk fortyndingsmiddel eventuelt er tilsat epoxytætningsmidlet før dets påføring.
DK13844613.3T 2012-10-09 2013-10-09 Elektrodeanordning og fremgangsmåde til fremstilling heraf DK2907184T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261711234P 2012-10-09 2012-10-09
PCT/IL2013/000076 WO2014057483A1 (en) 2012-10-09 2013-10-09 Electrode assembly and method for its preparation

Publications (1)

Publication Number Publication Date
DK2907184T3 true DK2907184T3 (da) 2018-08-06

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US (1) US10014530B2 (da)
EP (1) EP2907184B1 (da)
JP (1) JP6306028B2 (da)
KR (1) KR102126597B1 (da)
CN (2) CN104704665B (da)
AU (1) AU2013328267B2 (da)
CA (1) CA2885836C (da)
DK (1) DK2907184T3 (da)
ES (1) ES2681540T3 (da)
IL (1) IL237746B (da)
MX (1) MX367910B (da)
WO (1) WO2014057483A1 (da)

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JP2015537336A (ja) 2015-12-24
JP6306028B2 (ja) 2018-04-04
ES2681540T3 (es) 2018-09-13
US20150207150A1 (en) 2015-07-23
AU2013328267B2 (en) 2018-06-28
WO2014057483A1 (en) 2014-04-17
KR102126597B1 (ko) 2020-06-25
MX2015004397A (es) 2015-06-10
AU2013328267A1 (en) 2015-04-09
IL237746B (en) 2019-08-29
CN104704665A (zh) 2015-06-10
CN110085874A (zh) 2019-08-02
EP2907184B1 (en) 2018-05-02
KR20150068370A (ko) 2015-06-19
MX367910B (es) 2019-09-11
EP2907184A1 (en) 2015-08-19
IL237746A0 (en) 2015-05-31
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CA2885836C (en) 2021-05-25
US10014530B2 (en) 2018-07-03
CA2885836A1 (en) 2014-04-17
CN104704665B (zh) 2019-03-29
CN110085874B (zh) 2022-04-19

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