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Tube type fuel cell to decrease current path length

  • US 7,972,742 B2
  • Filed: 08/17/2006
  • Issued: 07/05/2011
  • Est. Priority Date: 08/29/2005
  • Status: Expired due to Fees
First Claim
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1. A tube type fuel cell comprising a plurality of tube type fuel cells, each tube type fuel cell comprising:

  • an anode;

    a cathode;

    a tube type electrolyte placed between the anode and the cathode;

    an interconnector for drawing current from the cathode or the anode positioned on an inner side of the tube type electrolyte, wherein each of the plurality of tube type cells is electrically connected in series with each other via the interconnector;

    an auxiliary electrode provided over the entire region of a cell reaction region on the cathode or the anode positioned on an outer side of the electrolyte of the tube type cell; and

    an electrically insulating means provided between the adjacent auxiliary electrodes of the tube type cells electrically connected in series with each other via the interconnector.

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