采用固相法合成了Sn0.97Sc0.03P2O7样品,采用浓差电池、交流阻抗等电化学方法对该样品在50～250℃下的电性能进行了研究.结果表明,该样品在湿润H2气氛中,温度为175℃时,电导率达到最大值1.51×10-2S/cm.水蒸气浓差电池结果表明,样品在湿润H2气氛下具有一定程度的氧离子导电性,而在湿润O2气氛下样品主要表现为质子导电.以该样品为燃料电池固体电解质,组装氢-空气燃料电池,在150℃时,其最大输出功率密度为11.16mW/cm2.
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