Development of an advanced bond coat for solid oxide fuel cell interconnector applications

JOURNAL OF POWER SOURCES

卷:296

Article

Yeh, An-Chou¹  Chen, Yu-Ming^1,2  Liu, Chien-Kuo²  Shong, Wei-Ja² 

[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

[2] Inst Nucl Energy Res, Div Phys, Lungtan 32546, Taiwan

关键词: Solid oxide fuel cells;    Interconnector;    Thermal expansion coefficient;    Oxidation resistance;    Area specific resistance;   

DOI  :  10.1016/j.jpowsour.2015.07.076

来源: Elsevier

【 摘 要 】

An advanced bond coat has been developed for solid oxide fuel cell interconnector applications; a low thermal expansion superalloy has been selected as the substrate, and the newly developed bond coat is applied between the substrate and the LSM top coat. The bond coat composition is designed to be near thermodynamic equilibrium with the substrate to minimize interdiffusion with the substrate while providing oxidation protection for the substrate. The bond coat exhibits good oxidation resistance, a low area specific resistance, and a low thermal expansion coefficient at 800 degrees C; experimental results indicate that interdiffusion between the bond coat and the substrate can be hindered. (C) 2015 Elsevier B.V. All rights reserved.

【 授权许可】

Free