分别采用固相反应法、凝胶燃烧法分别制备了镓酸镧基固体电解质粉体(La0.9Sr0.1Ga0.8Mg0.2O3-δ),讨论了煅烧温度对粉体物相的影响,比较了两种方法所制备粉体的特点,X射线衍射分析表明,固相反应法制备需经1250℃下预烧15h,1500℃下煅烧24h,得到La0.9Sr0.1 Ga0.8 Mg02 O3-δ粉体颗粒尺寸在1μm,而凝胶燃烧法仅需在1400℃煅烧10h可以合成La0.9Sr0.1Ga0.8Mg0.2O3-δ粉体,粉体颗粒尺寸150nm.
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