摘要
固体氧化物燃料电池(SOFC)因环境友好、转化效率高而成为近年来新能源领域的研究热点。连接体是SOFC关键组成部分,其中铁素体不锈钢(FSS)因具有良好的热膨胀系数以及导电导热性成为较为理想的SOFC连接体材料。但是在SOFC长期服役过程中,FSS面临高温氧化以及“阴极Cr中毒”等现象,使得SOFC性能降低。为解决这一问题,常在其表面制备保护涂层。其中Co-Mn复合尖晶石涂层因具有良好的综合性能,被普遍认为是最具发展前景的FSS表面保护涂层。简要介绍铁素体不锈钢表面Co-Mn复合尖晶石涂层的种类、制备工艺及性能,并重点对其元素掺杂改性等方面的研究进展进行综述,希望对未来高性能Co-Mn尖晶石涂层的制备提供新思路和途径。
In recent years,solid oxide fuel cell(SOFC)has become a hot research topic in the field of new energy for its environmental friendliness and high conversion efficiency.Interconnectors are a key component of SOFC and ferritic stainless steel(FSS)is the ideal material for SOFC interconnectors owing to its superior thermal expansion coefficient(CTE)and thermal conductivity.However,during the long-term service of SOFC,FSS faces many difficulties such as high-temperature oxidation and“Cr poisoning of the cathode”,resulting in the degradation of the SOFC performance.In order to solve the problem,protective coatings are often prepared on its surface.Co-Mn spinel coating is generally considered to be the most promising FSS surface protective coating because of its outstanding comprehensive performance.The types,preparation process and properties of Co-Mn spinel coatings prepared on ferritic stainless steel surface were briefly introduced,the research advances on the elemental doping modification,etc.was mainly focused and reviewed,hoping that it can provide some new ideas and ways for the preparation of high-performance Co-Mn spinel coatings in the future.
作者
童伟
王伟强
李云逸
宋建丽
TONG Wei;WANG Weiqiang;LI Yunyi;SONG Jianli(School of Instrument Science and Opto-Electronics Engineering,Beijing Information Science and Technology University,Beijing 100192,China)
出处
《热加工工艺》
北大核心
2025年第2期7-11,共5页
Hot Working Technology
基金
国家自然科学基金项目(52175159)。
