本文讨论了三相复合陶瓷电解质材料的制备和研究．XRD谱图表明了存在LINaSO4和γ－Al2O3相。500℃时的电导率达到10－2～10－1s／cm．在499℃出现六方到体心立方的相交．氧化铝使得样品在600℃以上能保持良好的机械强度，并且提高了电导率，高温质子迁移数为0．9～1.0
Three-phase composite ceramic electrolyte was prepared and studied. The XRD pattern ofthis material shows a composited phase structurd of LiNaSO4 and γ-Al2O3. High conductivety(10-2 to 10-1 S/cm) can be achieved at 500℃. A phase transition appears at about 499℃. It maybe caused by an existence of bbc phase. Al2O3 makes a good LiNaSO4-Al2O3 skeleton at hightemperature, and the conductivity enhanced. The proton transport number for high temperaturephase is 0.9~1.0.
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