IL297987B2 - אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה - Google Patents

אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה

Info

Publication number
IL297987B2
IL297987B2 IL297987A IL29798722A IL297987B2 IL 297987 B2 IL297987 B2 IL 297987B2 IL 297987 A IL297987 A IL 297987A IL 29798722 A IL29798722 A IL 29798722A IL 297987 B2 IL297987 B2 IL 297987B2
Authority
IL
Israel
Prior art keywords
binder
gas diffusion
hot pressed
including gas
diffusion electrodes
Prior art date
Application number
IL297987A
Other languages
English (en)
Other versions
IL297987B1 (he
IL297987A (he
Inventor
Alina Amel
Aviv Ashdot
Mordechai KATTAN
Miles Page
Tal-Gutelmacher Ervin
Original Assignee
Hydrolite Ltd
Alina Amel
Aviv Ashdot
Mordechai KATTAN
Miles Page
Ervin Tal Gutelmacher
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hydrolite Ltd, Alina Amel, Aviv Ashdot, Mordechai KATTAN, Miles Page, Ervin Tal Gutelmacher filed Critical Hydrolite Ltd
Priority to IL297987A priority Critical patent/IL297987B2/he
Priority to US18/075,490 priority patent/US11888196B2/en
Priority to US18/100,013 priority patent/US20230155138A1/en
Priority to US18/244,344 priority patent/US20230420714A1/en
Priority to PCT/IL2023/051133 priority patent/WO2024095271A1/en
Priority to EP23885254.5A priority patent/EP4599484A4/en
Priority to US18/502,802 priority patent/US20240072264A1/en
Priority to US18/543,001 priority patent/US20240120518A1/en
Publication of IL297987A publication Critical patent/IL297987A/he
Publication of IL297987B1 publication Critical patent/IL297987B1/he
Publication of IL297987B2 publication Critical patent/IL297987B2/he

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031—Porous electrodes
    • C25B11/032—Gas diffusion electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/061—Metal or alloy
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/065—Carbon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
    • 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
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0419—Methods of deposition of the material involving spraying
    • 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
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • 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
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/8807—Gas diffusion layers
    • 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
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H01M4/886—Powder spraying, e.g. wet or dry powder spraying, plasma spraying
    • 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
    • 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
    • H01M4/8892—Impregnation or coating of the catalyst layer, e.g. by an ionomer
    • 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
    • H01M4/8896—Pressing, rolling, calendering
    • 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
    • H01M4/9041—Metals or alloys
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inert Electrodes (AREA)
IL297987A 2018-11-20 2022-11-06 אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה IL297987B2 (he)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IL297987A IL297987B2 (he) 2022-11-06 2022-11-06 אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה
US18/075,490 US11888196B2 (en) 2021-06-16 2022-12-06 Self-refueling power-generating systems
US18/100,013 US20230155138A1 (en) 2018-11-20 2023-01-23 Crosslinked electrodes for fuel cells, electrolyzers and reversible devices
US18/244,344 US20230420714A1 (en) 2021-06-16 2023-09-11 Operating self-refueling power-generating systems
PCT/IL2023/051133 WO2024095271A1 (en) 2022-11-06 2023-11-05 Hot pressed, binder-including membrane-electrode assemblies
EP23885254.5A EP4599484A4 (en) 2022-11-06 2023-11-05 HOT-PRESSED MEMBRANE-ELECTRODE ASSEMBLIES INCLUDING A BINDER
US18/502,802 US20240072264A1 (en) 2021-06-16 2023-11-06 Hot pressed, binder-including membrane-electrode assemblies
US18/543,001 US20240120518A1 (en) 2021-06-16 2023-12-18 Oxygen electrode catalytic layer for reversible, alkaline or anion exchange membrane electrochemical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL297987A IL297987B2 (he) 2022-11-06 2022-11-06 אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה

Publications (3)

Publication Number Publication Date
IL297987A IL297987A (he) 2024-06-01
IL297987B1 IL297987B1 (he) 2025-10-01
IL297987B2 true IL297987B2 (he) 2026-02-01

Family

ID=91325177

Family Applications (1)

Application Number Title Priority Date Filing Date
IL297987A IL297987B2 (he) 2018-11-20 2022-11-06 אלקטרודות מעבירות גז, הכוללות חומר הצמדה, ומיוצרות בלחיצה חמה

Country Status (1)

Country Link
IL (1) IL297987B2 (he)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733221A (en) * 1968-11-18 1973-05-15 Westinghouse Electric Corp Gas diffusion electrode
WO2012044273A1 (en) * 2010-09-30 2012-04-05 Utc Power Corporation Hot pressed, direct deposited catalyst layer
CN108110284A (zh) * 2016-11-18 2018-06-01 中国科学院大连化学物理研究所 一种直接制备燃料电池用铂纳米晶核壳催化层的方法
US20210028465A1 (en) * 2018-04-13 2021-01-28 Technische Universität Berlin Catalyst material for a fuel cell or an electrolyser and associated production method
US20210066741A1 (en) * 2019-09-03 2021-03-04 Korea Institute Of Science And Technology High temperature-type unitized regenerative fuel cell using water vapor and method of operating the same
CN113549956A (zh) * 2021-07-02 2021-10-26 北京化工大学 一种低载量铂催化气体扩散电极及其制备方法和应用
WO2022157777A1 (en) * 2021-01-21 2022-07-28 Hydrolite Ltd Fabrication of membrane electrode assemblies and reversible electrochemical devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799811A (en) * 1972-08-31 1974-03-26 Westinghouse Electric Corp Hydrophobic mats for gas diffusion electrodes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733221A (en) * 1968-11-18 1973-05-15 Westinghouse Electric Corp Gas diffusion electrode
WO2012044273A1 (en) * 2010-09-30 2012-04-05 Utc Power Corporation Hot pressed, direct deposited catalyst layer
CN108110284A (zh) * 2016-11-18 2018-06-01 中国科学院大连化学物理研究所 一种直接制备燃料电池用铂纳米晶核壳催化层的方法
US20210028465A1 (en) * 2018-04-13 2021-01-28 Technische Universität Berlin Catalyst material for a fuel cell or an electrolyser and associated production method
US20210066741A1 (en) * 2019-09-03 2021-03-04 Korea Institute Of Science And Technology High temperature-type unitized regenerative fuel cell using water vapor and method of operating the same
WO2022157777A1 (en) * 2021-01-21 2022-07-28 Hydrolite Ltd Fabrication of membrane electrode assemblies and reversible electrochemical devices
CN113549956A (zh) * 2021-07-02 2021-10-26 北京化工大学 一种低载量铂催化气体扩散电极及其制备方法和应用

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHO M. K. ET AL., FACTORS IN ELECTRODE FABRICATION FOR PERFORMANCE ENHANCEMENT OF ANION EXCHANGE MEMBRANE WATER ELECTROLYSIS., 28 February 2017 (2017-02-28) *

Also Published As

Publication number Publication date
IL297987B1 (he) 2025-10-01
IL297987A (he) 2024-06-01

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