Polymer electrolyte fuel cell and separator for polymer...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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Reexamination Certificate

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07745033

ABSTRACT:
In a polymer electrolyte fuel cell wherein a plurality of unit cells are arranged in a flat manner oriented in the same direction, and the prescribed adjacent unit cells are electrically connected in series so as to connect the plurality of unit cells in series, a flat-type polymer electrolyte fuel cell is made possible by providing at least one of a through hole connecting portion, a filled via connecting portion and a bump connecting portion in an insulating portion located between the prescribed adjacent unit cells, electrically insulated from the unit cells and having a thickness approximately equal to that of the unit cell, for establishing electrical connection between the prescribed adjacent unit cells.

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U.S. Appl. No. 11/948,212, filed Nov. 30, 2007, Maeda, et al.
U.S. Appl. No. 11/793,595, filed Jun. 21, 2007, Yagi, et al.

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