Title:
METAL MATERIAL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/082254
Kind Code:
A1
Abstract:
[Problem] To provide a metal material itself and a method for producing the same, the metal material having a passive film on the surface thereof to be corrosion-resistant and also having low contact resistance, wherein the metal material includes a metal material preferable for a separator or a current collector plate which is for a fuel cell. [Solution] Conductive particles 3 are embedded in and attached to a metal substrate 1 having a passive film 2 on the surface thereof such that the conductive particles 3 penetrate the passive film 2 in the thickness direction, wherein the surface of the metal substrate is covered with a coating film having conductivity and corrosion resistance. To attach the conductive particles in such a way, the conductive particles 3 are scattered on a certain metal substrate 1, and the passive film 2 is pressed down with a roll, etc., whereby the conductive particles 3 are pushed into the surface of the metal substrate 1.
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Inventors:
KURAHASHI RYUROU (JP)
SHIN YOSHIO (JP)
KAWASAKA KENJI (JP)
FUKUTOME YOSHIHISA (JP)
KAKUDOU SHIGEO (JP)
SHIN YOSHIO (JP)
KAWASAKA KENJI (JP)
FUKUTOME YOSHIHISA (JP)
KAKUDOU SHIGEO (JP)
Application Number:
PCT/JP2017/038247
Publication Date:
May 02, 2019
Filing Date:
October 24, 2017
Export Citation:
Assignee:
USUI CO LTD (JP)
International Classes:
C23C24/02; H01M8/0202; H01M8/0234
Foreign References:
| JP2010212179A | 2010-09-24 | |||
| JP2009228123A | 2009-10-08 | |||
| JP2017199456A | 2017-11-02 | |||
| JP2001250565A | 2001-09-14 | |||
| JP2004111079A | 2004-04-08 | |||
| JPS5132224B1 | 1976-09-11 | |||
| JP2015145516A | 2015-08-13 |
Other References:
See also references of EP 3702491A4
Attorney, Agent or Firm:
HOSOMI Yoshio (JP)
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