Gas diffusion electrode, fuel cell, and manufacturing method for the gas diffusion electrode
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United States of America Patent
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May 7, 2013
Grant Date -
Jun 3, 2010
app pub date -
Jan 31, 2008
filing date -
Feb 1, 2007
priority date (Note) -
Expired
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Abstract
The present invention provides a gas diffusion electrode in which flooding therein is suppressed. The gas diffusion electrode includes: a membrane formed of conductive fibers; a layer formed of conductive fine particles existing while coming into contact with one of surfaces of the membrane; and a catalyst, in which the membrane formed of the conductive fibers includes a region carrying the catalyst and a region free from carrying the catalyst, the region carrying the catalyst including a surface of the membrane formed of the conductive fibers on an opposite side of a surface of the membrane formed of the conductive fibers, which is brought into contact with the layer formed of the conductive fine particles. The catalyst can be formed by a reactive sputtering method.
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