CA2386677A1 - Fuel cell current collector - Google Patents

Fuel cell current collector Download PDF

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Publication number
CA2386677A1
CA2386677A1 CA002386677A CA2386677A CA2386677A1 CA 2386677 A1 CA2386677 A1 CA 2386677A1 CA 002386677 A CA002386677 A CA 002386677A CA 2386677 A CA2386677 A CA 2386677A CA 2386677 A1 CA2386677 A1 CA 2386677A1
Authority
CA
Canada
Prior art keywords
fuel cell
current collector
electrode
cell current
frequency
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
CA002386677A
Other languages
French (fr)
Other versions
CA2386677C (en
Inventor
Jeffrey P. Allen
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.)
GenCell Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2386677A1 publication Critical patent/CA2386677A1/en
Application granted granted Critical
Publication of CA2386677C publication Critical patent/CA2386677C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors 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
    • H01M4/8605—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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
    • H01M8/244—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes with matrix-supported molten electrolyte
    • 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
    • H01M8/14—Fuel cells with fused electrolytes
    • H01M2008/147—Fuel cells with molten carbonates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0048—Molten electrolytes used at high temperature
    • H01M2300/0051—Carbonates
    • 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
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023—Porous and characterised by the material
    • H01M8/0232—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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H01M8/0254—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Fuel Cell (AREA)

Abstract

A fuel cell is fitted with a current collector situated between a ribbed separator (10) and an electrode. The current collector is comprised of a plurality of flat wires (3A, 3B, 3C) which span the peaks of the ribs of the separator. The flat wires are of sufficient thickness, width, and frequency to support the electrode against the compressive load of the fuel cell stack. The width and frequency are alterable to suppress or enhance reactant access to the electrode.
CA002386677A 1999-10-07 2000-10-06 Fuel cell current collector Expired - Fee Related CA2386677C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/413,169 1999-10-07
US09/413,169 US6383677B1 (en) 1999-10-07 1999-10-07 Fuel cell current collector
PCT/US2000/027864 WO2001026172A1 (en) 1999-10-07 2000-10-06 Fuel cell current collector

Publications (2)

Publication Number Publication Date
CA2386677A1 true CA2386677A1 (en) 2001-04-12
CA2386677C CA2386677C (en) 2008-01-08

Family

ID=23636145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002386677A Expired - Fee Related CA2386677C (en) 1999-10-07 2000-10-06 Fuel cell current collector

Country Status (5)

Country Link
US (2) US6383677B1 (en)
EP (1) EP1230703A1 (en)
AU (1) AU1330801A (en)
CA (1) CA2386677C (en)
WO (1) WO2001026172A1 (en)

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US11888187B2 (en) 2018-11-30 2024-01-30 ExxonMobil Technology and Engineering Company Operation of molten carbonate fuel cells with enhanced CO2 utilization
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JP7515584B2 (en) 2019-11-26 2024-07-12 エクソンモービル テクノロジー アンド エンジニアリング カンパニー Operation of molten carbonate fuel cells at high electrolyte filling levels.
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Also Published As

Publication number Publication date
US20020114989A1 (en) 2002-08-22
CA2386677C (en) 2008-01-08
WO2001026172A1 (en) 2001-04-12
US6855447B2 (en) 2005-02-15
EP1230703A1 (en) 2002-08-14
US6383677B1 (en) 2002-05-07
AU1330801A (en) 2001-05-10

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