CHROMIUM-CONTAINING STEEL SHEET FOR COLLECTORS OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2021/005919

A1

The present invention provides a chromium-containing steel sheet for collectors of nonaqueous electrolyte secondary batteries, said chromium-containing steel sheet exhibiting excellent corrosion resistance in a battery environment and enabling a nonaqueous electrolyte secondary battery to have excellent cycle characteristics if used as a collector of the nonaqueous electrolyte secondary battery.　A chromium-containing steel sheet for collectors of nonaqueous electrolyte secondary batteries, said chromium-containing steel sheet having a component composition that contains 10% by mass or more of Cr, and said chromium-containing steel sheet having a surface provided with a relief structure that has recesses and projections, wherein the mean height of the projections is from 20 nm to 100 nm and the mean spacing between projections is from 20 nm to 300 nm.

JP4760031	Duplex stainless steel with excellent moldability
JPS5893822	MANUFACTURE OF HOT ROLLED STEEL PLATE WITH SUPERIOR ENAMELING HARDENABILITY
JP2022155339	FERRITE-AUSTENITE TWO-PHASE SYSTEM STAINLESS STEEL MATERIAL AND METHOD FOR MANUFACTURING THEM, AND CORROSION-RESISTANT MEMBER

YANO TAKAYOSHI (JP)
ISHIKAWA SHIN (JP)

PCT/JP2020/021681

January 14, 2021

June 02, 2020

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JFE STEEL CORP (JP)

C21D9/46; C22C38/00; C22C38/40; C22C38/50; C23G1/08; C25D11/34; C25F1/06; H01M4/66

JP2015513182A	2015-04-30
JP2015210917A	2015-11-24
JP2010262843A	2010-11-18
JP2013206741A	2013-10-07
JP2014229556A	2014-12-08
JP2010033782A	2010-02-12
JPH08321310A	1996-12-03
JP2007242424A	2007-09-20
JP2009167486A	2009-07-30

See also references of EP 3974549A4

KUMASAKA Akira et al. (JP)

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