固体氧化物燃料电池电极表面原位析出的研究进展  

Research Progress of in Situ Exsolution of Electrode Surface of Solid Oxide Fuel Cells

作　　者：孟君玲 田川 徐娜 赵丽娜 钟海霞[2] 徐占林 MENG Jun-Ling;TIAN Chuan;XU Na;ZHAO Li-Na;ZHONG Hai-Xia;XU Zhan-Lin(Key Laboratory of Preparation and Applications of Environmental Friendly Materials,Ministry of Education,College of Chemistry,Jilin Normal University,Siping 136000,China;State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China)

机构地区：[1]吉林师范大学化学学院,环境友好材料制备与应用教育部重点实验室,四平136000 [2]中国科学院长春应用化学研究所,稀土资源利用国家重点实验室,长春130022

出　　处：《应用化学》2023年第10期1335-1346,共12页Chinese Journal of Applied Chemistry

基　　金：国家自然科学基金(No.52002369);吉林省科技发展计划(No.20220101097JC);吉林省教育厅科学技术研究项目(No.JJKH20230495KJ);稀土资源利用国家重点实验室开放课题(No.RERU2022009);吉林建筑大学寒地建筑综合节能教育部重点实验室课题(No.JLJZHDK202205)资助。

摘　　要：固体氧化物燃料电池(Solid oxide fuel cells,SOFC)是一种能量转换装置,具有转换效率高、环境友好和燃料适应性强等优点,其中,电极作为电化学反应场所,对SOFC的性能起关键作用。相较于传统的SOFC电极,表面析出纳米颗粒后电极表现出较强的催化活性和优异的电化学性能。本文就钙钛矿型电极材料表面原位析出的研究予以总结。首先,探讨钙钛矿的晶体结构类型对电极表面原位析出的影响;其次,详细地介绍了钙钛矿中各种缺陷对析出纳米颗粒的影响;而后对比了目前主要的两种原位析出方式,并对不同的析出产物进行了分析。最后,提出了目前SOFC电极表面原位析出研究所面临的难点与挑战,并对其未来的发展方向进行了总结,这为以后相关的研究指明了方向。Solid oxide fuel cells(SOFCs)are energy conversion devices with high conversion efficiency,environmental friendliness,and wide fuel adaptability.As the place of electrochemical reactions,electrodes play a key role in the performance of SOFCs.Compared with the conventional electrode materials,the electrode with nanoparticles exsolved on the surface show stronger catalytic activity and excellent electrochemical performance.In this article,the investigations of in situ exsolution of perovskite-type electrode materials are summarized.Firstly,the effect of the crystal structure of perovskite on exsolution of electrode is discussed.Secondly,the influences of defects in perovskite on the exsolution of nanoparticles are introduced in detail.And then two main methods for in situ exsolution are compared and different exsolved products are analyzed.Finally,the difficulties and challenges faced to the in situ exsolution investigation for the SOFC electrode are put forward on the basis of the existing research,which points out the direction for future study.

关 键 词：固体氧化物燃料电池 钙钛矿 电极材料 原位析出 电化学性能 

分 类 号：O643[理学—物理化学]