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GB1215630A - Fuel cells employing gas diffusion electrodes and liquid electrolytes - Google Patents

Fuel cells employing gas diffusion electrodes and liquid electrolytes

Info

Publication number
GB1215630A
GB1215630A GB8515/68A GB851568A GB1215630A GB 1215630 A GB1215630 A GB 1215630A GB 8515/68 A GB8515/68 A GB 8515/68A GB 851568 A GB851568 A GB 851568A GB 1215630 A GB1215630 A GB 1215630A
Authority
GB
United Kingdom
Prior art keywords
fuel cells
electrode
gas diffusion
diffusion electrodes
liquid electrolytes
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.)
Expired
Application number
GB8515/68A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1215630A publication Critical patent/GB1215630A/en
Expired 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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • 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
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

1,215,630. Fuel cells. SIEMENS A.G. 21 Feb., 1968 [23 Feb., 1967], No. 8515/68. Heading H1B. A method of operating a fuel cell with a porous gas-diffusion electrode and a liquid electrolyte comprises temporarily reducing the rate of supply of reactant gas to the electrode to zero so that continued consumption of reactant gas in the cell reduces its pressure and allows electrolyte to flush the pores of the electrode. Preferably the rate of supply of reactant gas is reduced by an electromagnetic valve which is automatically operated when the electrode potential falls to a preselected value.
GB8515/68A 1967-02-23 1968-02-21 Fuel cells employing gas diffusion electrodes and liquid electrolytes Expired GB1215630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0108471 1967-02-23

Publications (1)

Publication Number Publication Date
GB1215630A true GB1215630A (en) 1970-12-16

Family

ID=7528819

Family Applications (2)

Application Number Title Priority Date Filing Date
GB33233/70A Expired GB1216290A (en) 1967-02-23 1968-02-21 Fuel cells employing gas diffusion electrodes and liquid electrolytes
GB8515/68A Expired GB1215630A (en) 1967-02-23 1968-02-21 Fuel cells employing gas diffusion electrodes and liquid electrolytes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB33233/70A Expired GB1216290A (en) 1967-02-23 1968-02-21 Fuel cells employing gas diffusion electrodes and liquid electrolytes

Country Status (3)

Country Link
DE (1) DE1671886A1 (en)
FR (1) FR1560669A (en)
GB (2) GB1216290A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788169A1 (en) * 1999-01-05 2000-07-07 Air Liquide Feeding a reactive gas to a fuel cell involves increasing and then reducing gas pressure in at least one reference region between gas inlet and outlet of cell

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043692C2 (en) * 1980-11-19 1985-07-11 Ingenieurkontor Luebeck Prof. Gabler Nachf. Gmbh, 2400 Luebeck DC electrical power source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788169A1 (en) * 1999-01-05 2000-07-07 Air Liquide Feeding a reactive gas to a fuel cell involves increasing and then reducing gas pressure in at least one reference region between gas inlet and outlet of cell

Also Published As

Publication number Publication date
GB1216290A (en) 1970-12-16
FR1560669A (en) 1969-03-21
DE1671886A1 (en) 1971-11-04

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