[G] 高温酸化・高温腐食(2)

[370] A new way to protect cathode materials from Cr poisoning by Co-W alloy coating for SOFC application

*干 路^1,2、村上 秀之^1,2、Xabier MONTRO³、佐伯 功⁴ (1. National Institute of Materials Science、2. Waseda University、3. DECHEMA-Forschungsinstitut、4. Muroran Institute of Technology)

キーワード：SOFC cathode materials、Co-W coating、ASR、Cr diffusion

Our group built cathodic half cells with Co-W protective coating between the cathode materials and interconnectors. After exposure at 1073 K for 500 h, Cr outward diffusion was significantly reduced.