采用一种改进的均相共沉淀法一缓冲溶液法合成出NiO-Ce0.8Sm0.2O1.9复合粉体,对其相组成和粒度进行了表征.以NiO-Ce0.8-Sm0.2O1.9复合粉体为原料制备出固体氧化物燃料电池Ni/SDC阳极材料,对其微结构和相关性能进行了测试分析,并与由机械混合NiO-SDC粉体所制备的Ni/SDC材料进行了比较.结果表明,通过缓冲溶液法合成的NiO-SDC粉体具有纳米级粒度,以其制备的Ni/SDC阳极材料比由机械混合粉体所制备Ni/SDC材料的晶粒度和孔隙更为均匀和细小,电导率也更高,且以此为阳极的SOFC单电池表现出更优异的电池性能.
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