Optimization of the electrical properties of Ti-Nb stabilized ferritic stainless steel SOFC interconnect alloy upon high-temperature oxidation: The role of excess Nb on the interfacial oxidation at the oxide-metal interface

被引：23
|
作者：
Ali-Loytty, H. [1 ]
Jussila, P. [1 ]
Valden, M. [1 ]
机构：
[1] Tampere Univ Technol, Surface Sci Lab, FIN-33101 Tampere, Finland
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 02期
基金：
芬兰科学院;
关键词：
Stainless steel; Interfaces; Oxidation; Solid oxide fuel cell; X-ray photoelectron spectroscopy; Electrochemical impedance spectroscopy; FE-CR ALLOY; ROOM-TEMPERATURE; INITIAL-STAGES; FUEL-CELLS; DIFFUSION; NIOBIUM; IRON; ENRICHMENT; MANGANESE; ELEMENTS;
D O I：
10.1016/j.ijhydene.2012.10.087
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Interfacial oxidation of Nb and Si at 650 degrees C on Laves phase forming Ti-Nb stabilized ferritic stainless steel (Fe-19Cr-0.9Si-0.2Nb-0.1Ti (at.%), grade EN 1.4509) was studied by electrochemical impedance spectroscopy and photoelectron spectroscopy. It was found that excess Nb efficiently hinders the formation of electrically resistive SiO2 layer at the oxide-metal interface. The beneficial role of Nb was attributed to its high segregation rate and the formation of conductive oxides at the interface. However, the oxidation was strongly influenced by age-precipitation of the Laves (FeNbSi)-type intermetallic phase, which removed free Nb from the alloy solution and thus allowed SiO2 layer to form more easily. These results can be applied to optimize the oxide scale composition by Nb alloying of the ferritic stainless steel to maintain high performance under various operation conditions, particularly in solid oxide fuel cell applications. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1039 / 1051
页数：13
相关论文
共 9 条
  • [1] Influence of precipitation on initial high-temperature oxidation of Ti-Nb stabilized ferritic stainless steel SOFC interconnect alloy
    Ali-Loytty, H.
    Jussila, P.
    Juuti, T.
    Karjalainen, L. P.
    Zakharov, A. A.
    Valden, M.
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2012, 37 (19) : 14528 - 14535
  • [2] Oxidation behavior of ferritic stainless steel containing Nb, Nb-Si and Nb-Ti for SOFC interconnect
    Seo, Hyung Suk
    Yun, Dae Won
    Kim, Kyoo Young
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2013, 38 (05) : 2432 - 2442
  • [3] High temperature cyclic oxidation behavior of ferritic stainless steel with addition of alloying elements Nb and Ti for use in SOFCs interconnect
    Safikhani, Azim
    Esmailian, Mohammad
    Tinatiseresht, Taleb
    Darband, Ghasem Barati
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2016, 41 (14) : 6045 - 6052
  • [4] High-Temperature Oxidation Behavior and Its Oxide Layer Structure Formed on Ti-Nb Alloys
    Ogawa, Yuya
    Miura-Fujiwara, Eri
    JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS, 2018, 82 (07) : 232 - 239
  • [5] Role of the alloy grain boundaries in the high-temperature oxidation and Cr volatilization of 22 wt% Cr ferritic stainless steel for SOFC applications
    Kim, Byung Kyu
    Ko, Yoon Seok
    Jung, In-Ho
    Han, Heung Nam
    Yi, Kyung-Woo
    Kim, Dong-Ik
    CORROSION SCIENCE, 2023, 213
  • [6] Effects of Nb and W additions on high-temperature creep properties of ferritic stainless steels for solid oxide fuel cell interconnect
    Chiu, Yung-Tang
    Lin, Chih-Kuang
    JOURNAL OF POWER SOURCES, 2012, 198 : 149 - 157
  • [7] High-Temperature Oxidation Properties of Ti-Hf-Mo-Ta-Nb-B Composite Coating Deposited on Ti60 Alloy with Laser Cladding
    Huang, Kaijin
    Han, Xianchao
    COATINGS, 2023, 13 (09)
  • [8] Achieving a crackless, abrasion- and corrosion-resistant oxide coating on Ti-Zr-Hf-Nb-Al-Y refractory high-entropy alloy through Y alloying and high-temperature fast oxidation
    Hua, Nengbin
    Wang, Rui
    Qian, Zhongya
    Shi, Rongpei
    Zeng, Da
    Liang, Xiongwei
    Xiao, Xinxiong
    Lin, Hanxin
    Lu, Wenfei
    Shen, Jun
    Liaw, Peter K.
    Surface and Coatings Technology, 2025, 499
  • [9] Oxidation kinetics and electrical properties of oxide scales formed under exposure to air and Ar–H2-H2O atmospheres on the Crofer 22 H ferritic steel for high-temperature applications such as interconnects in solid oxide cell stacks
    Brylewski, Tomasz
    Molin, Sebastian
    Stygar, Miroslaw
    Bik, Maciej
    Jeleń, Piotr
    Sitarz, Maciej
    Gil, Aleksander
    Chen, Ming
    Hendriksen, Peter Vang
    International Journal of Hydrogen Energy, 2024, 94 : 209 - 222
1