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Title:
SHEET, ELECTRODE AND FUEL CELL
Document Type and Number:
WIPO Patent Application WO/2014/007397
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a sheet which exhibits high thicknesswise conductivity and excellent gas permeability, water repellency, corrosion resistance and flexibility and which is suitable for use in an electrode of a fuel cell or the like; an electrode; and a fuel cell. The present invention is a sheet which comprises a polytetrafluoroethylene, carbon black and graphite and which is characterized in that: the polytetrafluoroethylene has a standard specific gravity of 2.14 to 2.28; and the total amount of the carbon black and the graphite exceeds 35 mass% of the total amount of the polytetrafluoroethylene, the carbon black and the graphite.

Inventors:
YOSHIMOTO HIROYUKI
CHAEN SHINICHI
KAWAHARA KAZUYA
SHIBUYA YOSHIYUKI
SUKEGAWA MASAMICHI
Application Number:
PCT/JP2013/068681
Publication Date:
January 09, 2014
Filing Date:
July 08, 2013
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
H01M4/96; C08J3/20; C08J5/18; C08K3/04; C08K7/00; H01B1/24; H01M8/10
Domestic Patent References:
WO2011074327A12011-06-23
WO1995023178A11995-08-31
Foreign References:
JP2003342436A2003-12-03
JP2009087616A2009-04-23
JPH10147617A1998-06-02
JPH1177787A1999-03-23
JPH05166520A1993-07-02
JPH07201346A1995-08-04
JP4000915B22007-10-31
US6841594B22005-01-11
Other References:
JOURNAL OF APPLIED ELECTROCHEMISTRY, vol. 22, 1992, pages 1 - 7
See also references of EP 2871697A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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