固体氧化物燃料电池电解质材料的研究进展  

Research progress of electrolytematerials in solid oxide fuel cells

作　　者：尚凤杰 李沁兰 石永敬[1] 刘海定 Shigeng Song SHANG Fengjie;LI Qinlan;SHI Yongjing;LIU Haiding;SONG Shigeng(School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology,Chongqing 401331, China;Chongqing material Research Institute Co., Ltd, Chongqing 401331, China;Institute of Thin Films, Sensors and Imaging, School of Engineering and Computing,University of the West of Scotland, Paisley PA1 2BE, UK)

机构地区：[1]重庆科技学院冶金与材料工程学院,重庆401331 [2]重庆材料研究院有限公司,重庆401331 [3]Institute of Thin Films, Sensors and Imaging, School of Engineering and Computing, University of the West of Scotland, Paisley PA1 2BE, UK

出　　处：《功能材料》2021年第6期6076-6083,6089,共9页Journal of Functional Materials

摘　　要：固体氧化物燃料电池(SOFC)是一种能量转换效率高、环境友好和燃料灵活的全固态发电设备,为能源资源的可持续发展提供选择。氧离子在固体电解质中是通过氧空位传导的,即增大氧空位浓度是提高离子电导率的关键,而高离子电导率的电解质材料促进了SOFC发展。综述了固体电解质的离子传输机制和ZrO_(2)基电解质、CeO_(2)基电解质、Bi_(2)O_(3)基电解质和LaGaO_(3)基电解质材料的结构、研究进展以及优缺点,并对未来电解质材料的研究发展趋势进行了展望。Solid oxide fuel cell(SOFC)is a kind of all solid-state power generation equipment with high energy conversion efficiency,friendly environment and flexible fuel,which provides a choice for the sustainable development of energy resources.Oxygen ions are conducted through oxygen vacancies in solid electrolyte.Increasing the concentration of oxygen vacancy is the key to improve the ionic conductivity,and electrolyte materials with high ionic conductivity promote the development of SOFC.In this paper,the ion transport mechanism of solid electrolyte and the structure,research progress,advantages and disadvantages of ZrO2 based electrolyte,CeO_(2) based electrolyte,Bi_(2)O_(3) based electrolyte and LaGaO_(3) based electrolyte materials are reviewed.The development trend of electrolyte materials in the future is prospected.

关 键 词：固体氧化物燃料电池 电解质材料 离子传输 

分 类 号：TM911.4[电气工程—电力电子与电力传动]