采用柠檬酸溶胶-凝胶法制备了掺Ce的钴酸钙(Ca3Co4O9+δ)陶瓷,通过TG-DSC、XRD和SEM对样品进行表征,研究了Ce掺杂对电导率、Seebeck系数和功率因子的影响.结果表明:陶瓷样品的断面形貌呈片层状.随着Ce掺杂量的增加,样品的导电机制发生变化,测试温度范围内样品的电导率和功率因子下降,Seebeck系数先增加后下降.
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