Seal and fuel cell comprising same affixed on the bipolar plates

Seal and fuel cell comprising same affixed on the bipolar plates

  • CN 101,208,821 B
  • Filed: 06/23/2006
  • Issued: 07/18/2012
  • Est. Priority Date: 06/28/2005
  • Status: Active Grant
First Claim
Patent Images

1. the sealing gasket of a cell of fuel cell (52);

  • Be used to be placed in bipolar plates (22);

    It is characterized in that said sealing gasket exists with the form of film, its profile corresponds essentially to the peripheral frame of said bipolar plates;

    Said sealing gasket comprises and the identical central opening (66) of the reactant distribution central surface (46) of said bipolar plates (22);

    And said sealing gasket is included in the groove (68) that the framework internal edge (67) of said central opening is located, and (71a is 73a) at least partly against above that as the male or female diffusion layer of the active region (74) of the membrane electrode assembly (70) in anode and cathode reaction place when the said battery of assembling;

    The central surface (46) that also is resisted against said bipolar plates (22) is simultaneously located;

    Said sealing is paid somebody'"'"'s debt and expected repayment later and is comprised front (76), and when the said battery of assembling, the peripheral frame (75) of said assembly (70) can be resisted against said front (76) does not upward have excessive deformation.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×