Recent Development of SOFC Metallic Interconnect

Junwei Wu1,2,3) and Xingbo Liu1,2) 1) Mechanical & Aerospace Engineering Department, West Virginia University, Morgantown, WV 26506, US 2) National Energy Technology Laboratory, Morgantown, WV 26507, US 3) Department of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, University Town, XiLi, Shenzhen 518055, China

摘 要：Interest in solid oxide fuel cells (SOFC) stems from their higher efficiencies and lower levels of emitted pollutants, compared to traditional power production methods. Interconnects are a critical part in SOFC stacks, which connect cells in series electrically, and also separate air or oxygen at the cathode side from fuel at the anode side. Therefore, the requirements of interconnects are the most demanding, i.e., to maintain high electrical conductivity, good stability in both reducing and oxidizing atmospheres, and close coefficient of thermal expansion (CTE) match and good compatibility with other SOFC ceramic components. The paper reviewed the interconnect materials, and coatings for metallic interconnect materials.

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