La_(0.9)Sr_(0.1)Ga_(0.8)Mg_(0.2)O_(3-α)在常压合成氨及燃料电池中的应用  

La_(0.9)Sr_(0.1)Ga_(0.8)Mg_(0.2)O_(3-α) Ceramic and its application in ammonia synthesis at atmospheric pressure and fuel cell

作　　者：张峰[1] 陈成[1] 潘博[1] 许睿[1] 马桂林[1] 

机构地区：[1]苏州大学化学化工学院,江苏苏州215123

出　　处：《苏州大学学报（自然科学版）》2007年第2期74-77,共4页Journal of Soochow University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(20171034)

摘　　要：首次以La0.9Sr0.1Ga0.8Mg0.2O3-α陶瓷样品为固体电解质,成功地进行了常压合成氨试验,氨气的最高产率达到1.87×10-9mol.s-1.cm-2,氢气的转化率为60%以上;还研究了该样品的氢-空气燃料电池输出性能,900℃时的最大输出电流密度为510 mA.cm-2,最大输出功率密度为140 mW.cm-2,具有良好的燃料电池输出性能.Ammonia was synthesized successfully at atmospheric pressure by using La0.9Sr0.1Ga0.8Mg0.2O3-αas the solid electrolyte for the first time,and the maximal efficiency of NH3 formation was 1.87×10^-9mol·s-1·cm^-2,more than 60% of H2 were converted into NH3.The fuel cell performances were studied,the maximal output of current density was 510 mA·cm^-2 and the maximal power density was 140 mW·cm^-2.

关 键 词：LAGAO3 质子导体 合成氨 SOFC 

分 类 号：O646.21[理学—物理化学]