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电化学  2014 

固体氧化物燃料电池Cu-LSCM-CeO2/LSCM-YSZ/Ni-ScSZ复合阳极制备及性能

DOI: 10.13208/j.electrochem.131129, PP. 470-475

Keywords: 固体氧化物燃料电池(SOFC),催化层,碳沉积,阻抗谱,电化学性能

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Abstract:

采用流延法制得LSCM-YSZ阳极支撑层/Ni-ScSZ阳极活性层/ScSZ电解质层复合膜,在LSCM-YSZ支撑层上印刷一层Cu-LSCM-CeO2阳极催化层,即Cu-LSCM-CeO2/LSCM-YSZ/Ni-ScSZ功能梯度层阳极.研究表明,Cu/LSCM/CeO2质量配比为2:7:1功能梯度阳极(LSCM-YSZ2010)有较好的性能,单电池以氢气和乙醇为燃料(750oC)最大功率密度分别为511和390mW?cm-2,单电池稳定性实验表明,LSCM-YSZ2010阳极单电池以乙醇为燃料750oC长时间运行218h,性能稳定.X-射线能量散射分析表明该阳极具有较好的抗碳沉积性能.

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