Title:
STAINLESS STEEL MATERIAL FOR SOLID OXIDE FUEL CELLS, METHOD FOR PRODUCING SAME, MEMBER FOR SOLID OXIDE FUEL CELLS, AND SOLID OXIDE FUEL CELL
Document Type and Number:
WIPO Patent Application WO/2022/153752
Kind Code:
A1
Abstract:
A stainless steel material for solid oxide fuel cells, the material comprising, in mass basis, 0.030% or less of C, 1.00% or less of Si, 1.00% or less of Mn, 0.050% or less of P, 0.0030% or less of S, 22.0-32.0% of Cr, 2.50% or less of Mo, 0.030% or less of N, 0.30% or less of Al, 0.40% or less of Nb, 0.40% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, an effective Cr amount represented by formula (1) being 24.0-35.0%, the remaining portion being Fe and impurities. (1): Effective Cr amount (%)=Cr+2Mo+2Si+5Nb+2Ti-3(2C+3N+Ni+0.5Mn+0.2Cu)
In the formula, the element symbols represent contained amounts of respective elements.
Inventors:
HATANO MASAHARU (JP)
MATSUMOTO MITSUKI (JP)
TAI YOSHIKAZU (JP)
KAGEOKA KAZUYUKI (JP)
MATSUMOTO MITSUKI (JP)
TAI YOSHIKAZU (JP)
KAGEOKA KAZUYUKI (JP)
Application Number:
PCT/JP2021/045689
Publication Date:
July 21, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
NIPPON STEEL STAINLESS STEEL CORP (JP)
International Classes:
C22C38/00; C22C38/50; C22C38/54; C23G1/08; H01M8/021; H01M8/12
Domestic Patent References:
| WO2014010680A1 | 2014-01-16 | |||
| WO2018008658A1 | 2018-01-11 |
Foreign References:
| JP2017125248A | 2017-07-20 | |||
| JP2005226083A | 2005-08-25 | |||
| CN101195894A | 2008-06-11 | |||
| CN111876661A | 2020-11-03 | |||
| JP2020053388A | 2020-04-02 | |||
| JP6696992B2 | 2020-05-20 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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