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中文摘要：
不锈钢合金是目前固体氧化物燃料电池（SOFC）常用的连接体材料,在使用过程中仍存在的主要问题是易被氧化;以及阴极侧Cr易扩散而导致阴极Cr中毒,致使电堆的电性能衰减过快。为解决上述问题,常在金属连接体表面添加致密的保护涂层。为得到成分均一﹑结构致密﹑厚度可控﹑导电性能良好且与基体结合牢固的涂层,很多方法可被采用。本文综述了SOFC金属连接体保护涂层的制备方法,将其分为物理法和化学法两大类。对各制备方法的工艺与性能之间的关系进行了讨论与比较,并提出了SOFC金属连接体保护涂层制备的主要问题和研究方向。
英文摘要：
Stainless steel is the common materials for solid oxide fuel cell（SOFC） interconnect applications. However, the main problems include two parts during use： the metallic interconnect which was easily oxided and the Cr on the cathode side which was easily diffuse from the interconnect to cathode, resulting in cathode chromium poisoning and leading to premature degradation of the fuel cell stack. In order to solve these problems, the best solution is adding protective coating on the surface of metallic interconnects. In order to obtain the protective coating which were uniform particle distribution, compact structure, controllable thickness, had a good conductivity and firm adherence to the substrate, there are plenty of the preparation methods could be adopt. The preparation methods of the protective coating for SOFC metallic interconnects were reviewed and divided into two kinds of physical methods and chemical methods in this paper. The relation between their technology and property were dicussed and compared. The main problems and the major research directions in fabricating protective coating for SOFC metallic interconnects were raised.
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