叙述了掺杂LaGaO3(LSGM)作为优良的中温SOFC电解质的研究现状.在800℃左右,10-16≤PO2≤105Pa氧分压范围内,LSGM几乎是单纯的氧离子导体,具有较高的电导率,σ大于或等于0.1S/cm,而且长期保持稳定.在LSGM中掺杂少量低价金属阳离子,可望提高LSGM的电导率.LSGM存在的主要问题是Ga的蒸发.LSGM粉末的制备方法主要有3种:固态反应法、尿素法和Sol-gel法.
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