Navigating the future of solid oxide fuel cell: Comprehensive insights into fuel electrode related degradation mechanisms and mitigation strategies
- Authors
- Gohar, Osama; Khan, Muhammad Zubair; Saleem, Mohsin; Chun, Ouyang; Babar, Zaheer Ud Din; Rehman, Mian Muneeb Ur; Hussain, Amjad; Zheng, Kun; Koh, Jung-Hyuk; Ghaffar, Abdul; Hussain, Iftikhar; Filonova, Elena; Medvedev, Dmitry; Motola, Martin; Hanif, Muhammad Bilal
- Issue Date
- Jun-2024
- Publisher
- Elsevier B.V.
- Keywords
- Anode; Degradation; Ni-YSZ; Solid oxide fuel cell; Triple phase boundaries
- Citation
- Advances in colloid and interface science, v.331
- Journal Title
- Advances in colloid and interface science
- Volume
- 331
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/74524
- DOI
- 10.1016/j.cis.2024.103241
- ISSN
- 0001-8686
1873-3727
- Abstract
- Solid Oxide Fuel Cells (SOFCs) have proven to be highly efficient and one of the cleanest electrochemical energy conversion devices. However, the commercialization of this technology is hampered by issues related to electrode performance degradation. This article provides a comprehensive review of the various degradation mechanisms that affect the performance and long-term stability of the SOFC anode caused by the interplay of physical, chemical, and electrochemical processes. In SOFCs, the most used anode material is nickel-yttria stabilized zirconia (Ni-YSZ) due to its advantages of high electronic conductivity and high catalytic activity for H2 fuel. However, various factors affecting the long-term stability of the Ni-YSZ anode, such as redox cycling, carbon coking, sulfur poisoning, and the reduction of the triple phase boundary length due to Ni particle coarsening, are thoroughly investigated. In response, the article summarizes the state-of-the-art diagnostic tools and mitigation strategies aimed at improving the long-term stability of the Ni-YSZ anode. Copyright © 2024 Elsevier B.V. All rights reserved.
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