人工晶体学报2017，Vol.46Issue(7)：1300-1306,7.
Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9复合电解质的成分对其电化学性能的影响
Effect of Composition on Electrochemical Performance of Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9 Composite Electrolytes
摘要
Abstract
The composite electrolytes Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9(SDC-BCS, molar ratio 9∶1, 7∶3, 5∶5 and 3∶7) were synthesized by one-step citric acid-nitrate gel combustion method.In this work, the effect of SDC-BCS composition on the conductivity and electrochemical performance were studied.The results indicate that grain size and electrical conductivity of SDC-BCS increase with increasing of SDC content in SDC-BCS.Compared to electrolyte SDC, the grain-boundary conductivity of composite electrolytes is much higher.The power density of the single cell NiO-SDC-BCS|SDC-BCS|LSCF-SDC-BCS which was prepared by composite electrolytes with different phase compositions increases with increasing SDC content.When the molar ratio of SDC∶ BCS gets 9∶1,the peak power density of the single cell is 550 mW/cm2 at temperature 700 ℃, which is 3 times higher than that of NiO-SDC|SDC|LSCF-SDC single cell.关键词
中温固体氧化物燃料电池/Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9/复合电解质/电化学性能Key words
intermediate-temperature solid oxide fuel cell/Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9/composite electrolyte/分类
信息技术与安全科学引用本文复制引用
赵晓慧,牟雪萍,熊月龙,彭开萍..Ce0.8Sm0.2O1.9-BaCe0.8Sm0.2O2.9复合电解质的成分对其电化学性能的影响[J].人工晶体学报,2017,46(7):1300-1306,7.基金项目
福建省自然科学基金(2017J01686) （2017J01686）
福建省大学生创新创业训练项目(201510386083) （201510386083）
