CONDUCTIVE POROUS MATERIAL, POLYMER ELECTROLYTE FUEL CELL, AND METHOD OF MANUFACTURING CONDUCTIVE POROUS MATERIAL
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United States of America Patent
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Apr 20, 2017
app pub date -
Mar 24, 2015
filing date -
Mar 27, 2014
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The object of the present invention is to provide a conductive porous material that has a large specific surface area, that is not easily damaged by pressure, and that can be applied to a variety of applications; a polymer electrolyte fuel cell, and a method of manufacturing a conductive porous material. The conductive porous material is one which is an aggregate of fibrous substances comprising first conductive materials, and second conductive materials that connect between the first conductive materials, and its specific surface area is 100 m2/g or more, and its thickness retention rate after pressing at 2 MPa is 60% or more. Such a conductive porous material can be manufactured by spinning a spinning solution containing a first conductive material and a carbonizable organic material to form a precursor fiber porous material in which precursor fibers are aggregated, and carbonizing the carbonizable organic material to convert it into a second conductive material.
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