采用高温固相法合成了Sn4+、Sm3+双掺杂的BaCeO3-BaZrO3固溶体——BaCe04Zr0.3 Sn0.1Sm0.2.O3-α( BCZSS)固体电解质材料,并进行了XRD、SEM测试表征.采用同位素效应、浓差电池等电化学方法研究了样品在873～1073K的离子导电特性.浓差电池测试结果表明样品在湿润氧气气氛中是离子(质子+氧离子)和空穴的混合导体,样品在湿润氢气气氛下存在氧离子导电性.H2 O-Ar气氛下的电导率高于相同温度下D2O-Ar气氛下的电导率,表明该样品在含水气氛中是一种优良的质子导体.
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