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Title:
STAINLESS STEEL SHEET FOR FUEL CELL SEPARATORS AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2017/110656
Kind Code:
A1
Abstract:
A stainless steel sheet for fuel cell separators, which is provided with: a base that is composed of a stainless steel sheet; and metal particles having low electrical resistivity. The surface of the base is provided with a recessed and projected structure wherein the average interval between projected portions is from 10 nm to 300 nm (inclusive); the metal particles having low electrical resistivity are configured to have an average particle diameter of from 50 nm to 1.0 μm; the metal particles having low electrical resistivity are adhered to the surface of the recessed and projected structure of the base at a density of 1.0 or more particles per 1 μm2; and the ratio of the average particle diameter of the metal particles having low electrical resistivity to the average interval between projected portions is set to 1.0-15.0.

Inventors:
YANO Takayoshi (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
ISHIKAWA Shin (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
KAMI Chikara (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
Application Number:
JP2016/087451
Publication Date:
June 29, 2017
Filing Date:
December 15, 2016
Export Citation:
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Assignee:
JFE STEEL CORPORATION (2-3 Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo, 11, 〒1000011, JP)
International Classes:
H01M8/0202; C25D5/16; C25D5/26; C25D7/00; C25D11/34; C25F3/06; H01M8/10
Domestic Patent References:
WO2000001025A12000-01-06
WO2006137584A12006-12-28
WO2013080533A12013-06-06
WO2013080533A12013-06-06
Foreign References:
JP2002134136A2002-05-10
JPH08180883A1996-07-12
JPH10228914A1998-08-25
JP2010013684A2010-01-21
Other References:
See also references of EP 3396758A4
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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