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Title:
CARBON FIBER NONWOVEN FABRIC, PRODUCTION METHOD FOR CARBON FIBER NONWOVEN FABRIC, AND NONWOVEN FABRIC OF CARBON FIBER PRECURSER FIBERS
Document Type and Number:
WIPO Patent Application WO/2015/098530
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a carbon fiber nonwoven fabric which has exceptional electrical conductivity and thermal conductivity as an electrode base material for a solid polymer fuel cell, and which is moreover useful as a base material having excellent gas diffusion and drainage. The present invention provides a carbon fiber nonwoven fabric on the surface of which are formed in distributed fashion a plurality of non-penetrating holes having opening planar dimensions larger than the average hole planar dimensions of the carbon fiber nonwoven fabric, wherein broken fibers are not observed at the peripheral edges of the non-penetrating holes in plan view.

Inventors:
KAJIWARA KENTARO (JP)
SHIMOYAMA SATORU (JP)
HORIGUCHI TOMOYUKI (JP)
Application Number:
PCT/JP2014/082724
Publication Date:
July 02, 2015
Filing Date:
December 10, 2014
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D04H1/4242; H01M4/96
Domestic Patent References:
WO2009110467A12009-09-11
Foreign References:
JP2003064566A2003-03-05
JPH08287923A1996-11-01
JPH08111226A1996-04-30
JP2009211928A2009-09-17
JP2011096385A2011-05-12
Other References:
See also references of EP 3088582A4
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