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WO2003032421A3 - Flow module and fuel cell having said flow module - Google Patents

Flow module and fuel cell having said flow module Download PDF

Info

Publication number
WO2003032421A3
WO2003032421A3 PCT/DE2002/003734 DE0203734W WO03032421A3 WO 2003032421 A3 WO2003032421 A3 WO 2003032421A3 DE 0203734 W DE0203734 W DE 0203734W WO 03032421 A3 WO03032421 A3 WO 03032421A3
Authority
WO
WIPO (PCT)
Prior art keywords
flow module
fuel cell
channel
electrode
inlet
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.)
Ceased
Application number
PCT/DE2002/003734
Other languages
German (de)
French (fr)
Other versions
WO2003032421A2 (en
Inventor
Felix Blank
Cosmas Heller
Markus Schudy
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to AU2002342516A priority Critical patent/AU2002342516A1/en
Publication of WO2003032421A2 publication Critical patent/WO2003032421A2/en
Publication of WO2003032421A3 publication Critical patent/WO2003032421A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • 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
    • H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
    • 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
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
    • 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
    • H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
    • 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

The invention relates to a flow module for a fuel cell comprising an polymer electrolyte membrane (PEM), said module supporting compensation of partial water vapor pressure using simple means thereby countering the drying of areas in the membrane even when the process gases fed to the fuel cell are only slightly humid or not humid at all. The flow module comprises at least one inlet (1) and at least one outlet (2) for a gas that is to be guided by means of an electrode of the fuel cell. The surface of the flow module that faces the electrode is structured in such a way that at least one channel (3) connecting the inlet (1) and the outlet (2) is formed between the flow module and the electrode. According to the invention, the at least one inlet (1) and the at least one outlet (2) are arranged and the at least one channel (3) is guided in such a way that the segments of the channel having a higher relative humidity are arranged in the vicinity of the segments of the channel having a lower relative humidity so that the humidity gradient on the PEM is balanced out.
PCT/DE2002/003734 2001-10-05 2002-10-01 Flow module and fuel cell having said flow module Ceased WO2003032421A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002342516A AU2002342516A1 (en) 2001-10-05 2002-10-01 Flow module and fuel cell having said flow module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10149059.3 2001-10-05
DE10149059A DE10149059A1 (en) 2001-10-05 2001-10-05 Flow module and fuel cell with such a flow module

Publications (2)

Publication Number Publication Date
WO2003032421A2 WO2003032421A2 (en) 2003-04-17
WO2003032421A3 true WO2003032421A3 (en) 2003-07-10

Family

ID=7701436

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/003734 Ceased WO2003032421A2 (en) 2001-10-05 2002-10-01 Flow module and fuel cell having said flow module

Country Status (3)

Country Link
AU (1) AU2002342516A1 (en)
DE (1) DE10149059A1 (en)
WO (1) WO2003032421A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10253000B4 (en) * 2002-11-14 2008-07-10 Daimler Ag Bipolar plate with ports and a flow field with high power density and PEM fuel cell stack
DE102006010832A1 (en) * 2006-03-07 2007-09-13 Wilhelm Eisenhuth Gmbh Kg Contact plate for low-temperature fuel cell, has inlet channels, outlet channels and flow field enclosed by groove, where cross section of channels is broader in flow direction, and side walls of channels obtain contour
DE102007042787A1 (en) 2007-09-07 2009-03-12 Daimler Ag Modified gas diffusion layer in fuel cells
DE102019200946A1 (en) * 2019-01-25 2020-07-30 Robert Bosch Gmbh Bipolar plate for a fuel cell and fuel cell

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389020B (en) * 1986-08-08 1989-10-10 Peter Dipl Ing Dr Schuetz Fuel cell
US6015633A (en) * 1998-10-07 2000-01-18 Plug Power, L.L.C. Fluid flow plate for water management, method for fabricating same, and fuel cell employing same
WO2000054350A1 (en) * 1999-03-12 2000-09-14 International Fuel Cells, Llc Water management system for fuel cell
DE10055253A1 (en) * 2000-11-08 2002-05-29 Daimler Chrysler Ag fuel cell stack

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389020B (en) * 1986-08-08 1989-10-10 Peter Dipl Ing Dr Schuetz Fuel cell
US6015633A (en) * 1998-10-07 2000-01-18 Plug Power, L.L.C. Fluid flow plate for water management, method for fabricating same, and fuel cell employing same
WO2000054350A1 (en) * 1999-03-12 2000-09-14 International Fuel Cells, Llc Water management system for fuel cell
DE10055253A1 (en) * 2000-11-08 2002-05-29 Daimler Chrysler Ag fuel cell stack

Also Published As

Publication number Publication date
WO2003032421A2 (en) 2003-04-17
AU2002342516A1 (en) 2003-04-22
DE10149059A1 (en) 2003-05-08

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