Al2O3掺杂8YSZ固体电解质的烧结及性能研究

1.中国原子能科学研究院,北京,102413

2.中国原子能科学研究院,北京,102413

3.中国原子能科学研究院,北京,102413

4.湖南大学化学化工学院,湖南,长沙,410082

5.中国原子能科学研究院,北京,102413

6.中国原子能科学研究院,北京,102413

7.中国原子能科学研究院,北京,102413

8.中国原子能科学研究院,北京,102413

基金项目: 中国原子能科学研究院院科研基金

Sintering and Properties of Alumina Doped 8YSZ

通过化学共沉淀法制备Al2O3掺杂的8YSZ固体电解质,并对其进行烧结和性能检测.试验结果表明,掺杂Al2O3有利于降低烧结温度,促使烧结体致密化.并且随着Al2O3掺杂量的增大,晶粒的电导逐渐降低.当Al2O3的加入量少于1.5%(w)时,并没有起到晶界电导改善的作用,反而使晶界性能恶化.

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