AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE, AND MANUFACTURING METHOD THEREOF

Title:

AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE, AND MANUFACTURING METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/114652

Kind Code:

A1

Abstract:

The present specification discloses an austenitic stainless steel for a fuel cell separator with improved contact resistance. An embodiment of the austenitic stainless steel for a fuel cell separator with improved contact resistance disclosed herein may comprise by wt%: at most 0.1% (excluding 0) of C; at most 3.0% (excluding 0) of Si; at most 3.0% (excluding 0) of Mn; 20-30% of Cr; 8-20% of Ni; at most 0.003% of S; at most 0.03% of P; at most 0.6% (excluding 0) of Mo; at most 0.8% (excluding 0) of Cu; 0.1-0.3% of N; and at most 2.0% (excluding 0) of W, with the remainder being Fe and other inevitable impurities.

Inventors:

KIM YOUNGJUN (KR)
KIM DONG-HOON (KR)
SEO BO-SUNG (KR)

Application Number:

PCT/KR2021/016836

Publication Date:

June 02, 2022

Filing Date:

November 17, 2021

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

C22C38/58; C21D8/02; C22C38/44; C25F1/06; H01M8/021; H01M8/0258; H01M8/1018

Foreign References:

JP2020164929A	2020-10-08
KR20160082632A	2016-07-08
KR20170122802A	2017-11-06
KR101515417B1	2015-04-28
JP2004002960A	2004-01-08
KR20100073407A	2010-07-01

Other References: