Invention Application
- Patent Title: STAINLESS STEEL SHEET FOR FUEL CELL SEPARATORS, AND PRODUCTION METHOD THEREFOR
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Application No.: US16307238Application Date: 2017-05-22
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Publication No.: US20190296369A1Publication Date: 2019-09-26
- Inventor: Takayoshi YANO , Shin ISHIKAWA
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Chiyoda-ku Tokyo
- Assignee: JFE STEEL CORPORATION
- Current Assignee: JFE STEEL CORPORATION
- Current Assignee Address: JP Chiyoda-ku Tokyo
- Priority: JPPCT/JP2016/068020 20160610; JP2016-222710 20161115
- International Application: PCT/JP2017/019088 WO 20170522
- Main IPC: H01M8/021
- IPC: H01M8/021 ; H01M8/0254 ; H01M8/1006 ; C22C38/50
Abstract:
A stainless steel sheet for fuel cell separators comprises: a predetermined chemical composition; and fine precipitates containing Cr and Ti at a steel sheet surface, wherein an average equivalent circular diameter of the fine precipitates is 20 nm or more and 500 nm or less, and a number of the fine precipitates existing per 1 μm2 at the steel sheet surface is three or more.
Public/Granted literature
- US10763517B2 Stainless steel sheet for fuel cell separators, and production method therefor Public/Granted day:2020-09-01
Information query
