FR2179637A1 - Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency - Google Patents

Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency

Info

Publication number
FR2179637A1
FR2179637A1 FR7213242A FR7213242A FR2179637A1 FR 2179637 A1 FR2179637 A1 FR 2179637A1 FR 7213242 A FR7213242 A FR 7213242A FR 7213242 A FR7213242 A FR 7213242A FR 2179637 A1 FR2179637 A1 FR 2179637A1
Authority
FR
France
Prior art keywords
hydrophobic
zones
porous
catalytic layer
air
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7213242A
Other languages
French (fr)
Other versions
FR2179637B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zlehit Pri Ban
Original Assignee
Zlehit Pri Ban
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 Zlehit Pri Ban filed Critical Zlehit Pri Ban
Priority to DE2218202A priority Critical patent/DE2218202A1/en
Priority to FR7213242A priority patent/FR2179637A1/en
Publication of FR2179637A1 publication Critical patent/FR2179637A1/en
Application granted granted Critical
Publication of FR2179637B1 publication Critical patent/FR2179637B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inert Electrodes (AREA)

Abstract

Electrode for electrochemical cells of the metal-O2 (air)-type for fuel elements consists of a conductive porous catalystic layer and a conductive porous hydrophobic gas-inlet layer, which are pressed onto a metal mesh, which discharges the current leak and gives the electrode mechanical strength. The catalytic layer consists of penetrating porous hydrophilic zones, with catalytic activity for the electrochemical redn. of O2, and strongly hydrophobic, porous zones, consisting of hydrophobised, conductive, non-porous grains, O2 enters through these zones, the dimensions of the hydrophilic and hydrophobic zones increasing and decreasing respectively in the direction towards the electrolyte in the entire catalytic layer.
FR7213242A 1972-04-14 1972-04-14 Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency Granted FR2179637A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2218202A DE2218202A1 (en) 1972-04-14 1972-04-14 OXYGEN (AIR) GAS DIFFUSION ELECTRODE FOR ELECTROCHEMICAL POWER SOURCES OF THE METAL OXYGEN (AIR) TYPE AND FOR FUEL ELEMENTS
FR7213242A FR2179637A1 (en) 1972-04-14 1972-04-14 Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2218202A DE2218202A1 (en) 1972-04-14 1972-04-14 OXYGEN (AIR) GAS DIFFUSION ELECTRODE FOR ELECTROCHEMICAL POWER SOURCES OF THE METAL OXYGEN (AIR) TYPE AND FOR FUEL ELEMENTS
FR7213242A FR2179637A1 (en) 1972-04-14 1972-04-14 Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency

Publications (2)

Publication Number Publication Date
FR2179637A1 true FR2179637A1 (en) 1973-11-23
FR2179637B1 FR2179637B1 (en) 1977-06-17

Family

ID=25763074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213242A Granted FR2179637A1 (en) 1972-04-14 1972-04-14 Oxygen (air) gas diffusion electrode - with hydrophobic /hydrophilic catalytic layer zones, for life/economy/efficiency

Country Status (2)

Country Link
DE (1) DE2218202A1 (en)
FR (1) FR2179637A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557259A1 (en) * 1992-02-21 1993-08-25 Tanaka Kikinzoku Kogyo K.K. Gas diffusion electrode for electrochemical cell and process of preparing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557259A1 (en) * 1992-02-21 1993-08-25 Tanaka Kikinzoku Kogyo K.K. Gas diffusion electrode for electrochemical cell and process of preparing same

Also Published As

Publication number Publication date
FR2179637B1 (en) 1977-06-17
DE2218202A1 (en) 1973-10-18

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Legal Events

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