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Anode-supported solid oxide fuel cells with multilayer LSC/CGO/LSC cathode
Fuel Cells ( IF 2.6 ) Pub Date : 2021-07-15 , DOI: 10.1002/fuce.202000168
A.A. Solovyev 1, 2 , K.A. Kuterbekov 3 , S.A. Nurkenov 3 , A.S. Nygymanova 3 , A.V. Shipilova 1 , E.A. Smolyanskiy 2 , S.V. Rabotkin 1 , I.V. Ionov 1
Affiliation  

The multilayer La0.6Sr0.4CoO3/Ce0.9Gd0.1O2/La0.6Sr0.4CoO3 (LSC/CGO/LSC) thin film cathode of the solid oxide fuel cell (SOFC) with the different thickness of the LSC and CGO layers are obtained by magnetron sputtering. Cathodes are deposited onto the NiO/8YSZ anode-supported 8YSZ/CGO bilayer electrolyte. The influence of the deposited multilayer cathode on the SOFC performance is investigated in the temperature range between 800 and 600°C. It is shown that the thin-film multilayer cathode allows increasing the SOFC efficiency, and the obtained optimum thickness of the LSC and CGO layers provides the maximum power density for SOFCs. The maximum power density of 2430, 1170, and 290 mW cm–2 is obtained respectively at 800, 700, and 600°C for the SOFCs with the LSC/CGO/LSC layer 50/50/50 nm thick. The polarization resistance measured at 800 and 750°C on the symmetric SOFC with the CGO electrolyte and LSC/CGO/LSC cathode is 0.17 and 0.3 Ω cm2, respectively.

中文翻译:

具有多层 LSC/CGO/LSC 阴极的阳极支撑固体氧化物燃料电池

多层 La 0.6 Sr 0.4 CoO 3 /Ce 0.9 Gd 0.1 O 2 /La 0.6 Sr 0.4 CoO 3通过磁控溅射获得具有不同厚度的LSC和CGO层的固体氧化物燃料电池(SOFC)的(LSC/CGO/LSC)薄膜阴极。阴极沉积在 NiO/8YSZ 阳极支撑的 8YSZ/CGO 双层电解质上。在 800 到 600°C 的温度范围内研究了沉积的多层阴极对 SOFC 性能的影响。结果表明,薄膜多层阴极可以提高 SOFC 的效率,并且获得的 LSC 和 CGO 层的最佳厚度为 SOFC 提供了最大的功率密度。最大功率密度为 2430、1170 和 290 mW cm –2对于具有 50/50/50 nm 厚的 LSC/CGO/LSC 层的 SOFC,分别在 800、700 和 600°C 下获得。在具有 CGO 电解质和 LSC/CGO/LSC 阴极的对称 SOFC 上,在 800 和 750°C 下测得的极化电阻分别为 0.17 和 0.3 Ω cm 2
更新日期:2021-08-27
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