STAINLESS STEEL FOR FUEL CELL SEPARATOR, HAVING EXCELLENT SURFACE ELECTRICAL CONDUCTIVITY AND MANUFACTURING METHOD THEREFOR

Title:

STAINLESS STEEL FOR FUEL CELL SEPARATOR, HAVING EXCELLENT SURFACE ELECTRICAL CONDUCTIVITY AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2021/125534

Kind Code:

A1

Abstract:

Disclosed in the present specification is stainless steel for a fuel cell separator, having excellent surface electrical conductivity. According to one embodiment of the disclosed stainless steel for a fuel cell separator, having excellent surface electrical conductivity, the band gap energy of a surface oxide layer of the stainless steel containing at least 15 wt% of Cr may be at most 2eV.

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Inventors:

KIM JONG-HEE (KR)
LIM KYUWAN (KR)
SEO BO-SUNG (KR)
KIM JIN-SUK (KR)
PARK MI-NAM (KR)

Application Number:

PCT/KR2020/014228

Publication Date:

June 24, 2021

Filing Date:

October 19, 2020

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

H01M8/021; C22C32/00; C22C38/18; C23C22/50; C25F1/00; H01M8/0228

Foreign References:

KR20170035374A	2017-03-31
KR101588093B1	2016-01-22
KR100777123B1	2007-11-19
KR101410479B1	2014-06-27
JP2009263794A	2009-11-12

Attorney, Agent or Firm:

SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)

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