CA2253987A1 - Method of manufacturing fuel cells and fuel cells manufactured by the method - Google Patents

Method of manufacturing fuel cells and fuel cells manufactured by the method

Info

Publication number
CA2253987A1
CA2253987A1 CA002253987A CA2253987A CA2253987A1 CA 2253987 A1 CA2253987 A1 CA 2253987A1 CA 002253987 A CA002253987 A CA 002253987A CA 2253987 A CA2253987 A CA 2253987A CA 2253987 A1 CA2253987 A1 CA 2253987A1
Authority
CA
Canada
Prior art keywords
adhesive
polymer electrolyte
electrolyte film
separators
fuel cells
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
CA002253987A
Other languages
French (fr)
Other versions
CA2253987C (en
Inventor
Seiji Mizuno
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of CA2253987A1 publication Critical patent/CA2253987A1/en
Application granted granted Critical
Publication of CA2253987C publication Critical patent/CA2253987C/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
    • H01M8/0271—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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making
    • Y10T29/49114—Electric battery cell making including adhesively bonding

Abstract

The method of the present invention enhances the adhesive strength of a polymer electrolyte film via an adhesive and thereby manufactures a fuel cell having the high reliability for the gas sealing property. The method exposes a joint body, which has been prepared by interposing a polymer electrolyte film between an anode and a cathode and bonding them, to an atmosphere having a temperature of 25°C and a humidity of 50%
over one hour (S110). The method then provides a pair of separators and applies an adhesive on specific areas of the separators, which are directly joined with the polymer electrolyte film (S120). The adhesive used here is a modified rubber adhesive that is a mixture of epoxy resin and modified silicone and has a modulus of elasticity of not greater than 10 MPa and a durometer A hardness of not greater than 90 after cure. The method subsequently lays the pair of separators upon the joint body and cures the adhesive for bonding the separators directly to the polymer electrolyte film (S130 and S140). The process of step S110 causes the polymer electrolyte film to have a water content ~ of not greater than 4. This effectively ensures the sufficient adhesive strength of the polymer electrolyte film via the adhesive.
CA002253987A 1997-11-21 1998-11-12 Method of manufacturing fuel cells and fuel cells manufactured by the method Expired - Fee Related CA2253987C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33812197A JP3918265B2 (en) 1997-11-21 1997-11-21 Manufacturing method of fuel cell
JP9-338121 1997-11-21

Publications (2)

Publication Number Publication Date
CA2253987A1 true CA2253987A1 (en) 1999-05-21
CA2253987C CA2253987C (en) 2003-04-01

Family

ID=18315119

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002253987A Expired - Fee Related CA2253987C (en) 1997-11-21 1998-11-12 Method of manufacturing fuel cells and fuel cells manufactured by the method

Country Status (4)

Country Link
US (1) US6733916B2 (en)
EP (1) EP0918362A3 (en)
JP (1) JP3918265B2 (en)
CA (1) CA2253987C (en)

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WO2005104287A1 (en) * 2004-04-26 2005-11-03 Toyota Jidosha Kabushiki Kaisha Fuel cell module
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Also Published As

Publication number Publication date
JP3918265B2 (en) 2007-05-23
US6733916B2 (en) 2004-05-11
EP0918362A3 (en) 2004-12-22
JPH11154522A (en) 1999-06-08
US20010049047A1 (en) 2001-12-06
CA2253987C (en) 2003-04-01
EP0918362A2 (en) 1999-05-26

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Effective date: 20151112