Chemistry: electrical current producing apparatus – product – and – Having earth feature
Reexamination Certificate
2006-07-25
2006-07-25
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Having earth feature
C429S006000, C429S006000, C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
07081317
ABSTRACT:
It is difficult to realize a small fuel cell capable of being installed in mobile device by merely downsizing a conventional fuel cell without changing the configuration. The present invention provides a small fuel cell employing a polymer electrolyte thin film, by using a semiconductor process. A polymer electrolyte thin film fuel cell in accordance with the present invention comprises: a substrate having a plurality of openings; an electrolyte membrane-electrode assembly formed on the substrate so as to cover each of the openings, the assembly comprising a first catalyst electrode layer, a hydrogen ion conductive polymer electrolyte membrane and a second catalyst electrode layer which are formed successively; and fuel and oxidant supply means for supplying a fuel or an oxidant gas to the first catalyst electrode layer through the openings, and an oxidant gas or a fuel to the second catalyst electrode layer.
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Fujii Satoru
Hatoh Kazuhito
Hojo Nobuhiko
Hosaka Masato
Noguchi Yasutaka
Martin Angela J.
Ryan Patrick Joseph
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