Influence and mechanism of rare earth elements on Co-Mn spinel protective coatings on ferritic stainless steel surfaces

Weiqiang Wang; Wei Tong; Yunyi Li; Jianli Song

doi:10.1117/12.3015130

6 February 2024 Influence and mechanism of rare earth elements on Co-Mn spinel protective coatings on ferritic stainless steel surfaces

Weiqiang Wang, Wei Tong, Yunyi Li, Jianli Song

Author Affiliations +

Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129791G (2024) https://doi.org/10.1117/12.3015130
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

As the demand for clean energy continues to grow, Solid Oxide Fuel Cell (SOFC) has attracted widespread attentions as an efficient and renewable energy storage device. However, the ferritic stainless steel (FSS) interconnectors used in SOFCs are prone to oxidative corrosion. Chromium elements can deposit onto the cathode at high temperatures, which can lead to cathode degradation due to chromium poisoning, impacting the durability and stability of the SOFC. To address these issues, researchers prepared several types of rare earth element-doped Co-Mn spinel layers on the exterior of FSS, aiming to enhance the oxidation resistance, corrosion resistance, and conductivity of the interconnectors. Based on the review and progresses of the influences of rare earth elements on the Co-Mn spinel protective coatings on FSS surfaces, the function mechanism of rare earth elements on the preparation and performance of the coatings is expounded, and the development trends of this field is prospected, aiming to provide new ideas and references for the preparation of protective coatings on the SOFC interconnector surfaces.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Weiqiang Wang, Wei Tong, Yunyi Li, and Jianli Song "Influence and mechanism of rare earth elements on Co-Mn spinel protective coatings on ferritic stainless steel surfaces", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129791G (6 February 2024); https://doi.org/10.1117/12.3015130

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