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阳极支撑三层一体化结构电池的制备及性能

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Abstract:

采用流延工艺制备了NiO-8%Y2O3/ZrO2(YSZ)阳极支撑三层一体化结构单电池,在此基础上采用浸渍工艺在多孔YSZ基体上低温制备了高活性阴极La0.6Sr0.4Co0.2Fe0.8O3–δ(LSCF)。研究发现降低电极制备温度可以得到微观形貌可控、分布均匀的纳米电极,并且避免了电极与基体间的反应;通过控制浸渍次数,制备了不同LSCF含量的电池;随着浸渍量的增加,电极的极化电阻显著下降;在800℃时,LSCF质量分数为45%的电池的功率密度高达1090mW/cm2,同时电池稳定运行90h,表现出了很好的稳定性。

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