钐、钆掺杂对氧化铈基电解质材料性能的影响研究进展
Research Progress on the Influence of Samarium and Gadolinium Doping on the Properties of Cerium Oxide Based Electrolyte Materials
DOI: 10.12677/MS.2021.1112146, PDF,    科研立项经费支持
作者: 张 洁*：郑州师范学院物理与电子工程学院，河南 郑州；郑州大学物理学院(微电子学院)，河南 郑州；郑州威科姆科技股份有限公司，河南 郑州；任超杰：郑州师范学院物理与电子工程学院，河南 郑州；郑州师范学院物理与电子工程学院，河南 郑州；武文聪, 任宇冰, 李莎莎, 巩晓宁, 杜妮茜：郑州师范学院物理与电子工程学院，河南 郑州
关键词: 固体氧化物燃料电池；CeO2基电解质；单元素掺杂；双元素掺杂；氧离子电导；Solid Oxide Fuel Cell； CeO2 Base Electrolyte； Single Element Doping； Double Element Doping； Oxygen Ion Conductivity
摘要: 掺杂的CeO2基电解质是中低温固体氧化物燃料电池(SOFC)理想的电解质材料。目前对于CeO2基电解质材料掺杂规律的研究还比较欠缺，因此分析CeO2基电解质材料的掺杂规律及构效关系具有重要的意义。论文主要综述了钐、钆元素的单掺、双掺和多掺对CeO2基电解质材料性能的影响，然后进一步地分析了钐、钆掺杂CeO2基电解质材料的掺杂规律及构效关系。通过对大量文献数据的分析得到如下结论：钐、钆元素的单掺、双掺和多掺都能有效地提高氧化铈基电解质的离子电导率，多掺由于掺杂的平均离子半径更接近Ce4+，因此能够进一步提高其电导率；且在一定温度范围内，其电导率随掺杂离子浓度的增加呈先增后减的趋势。研究结果以期对实验上制备出性能更加优异的CeO2基电解质起到一定的指导作用。
Abstract: The doped CeO2-based electrolyte is an ideal electrolyte material for SOFC. At present, the research on the doping rule of CeO2-based electrolyte materials is still lacking, so it is of great significance to analyze the doping rule and structure-effect relations of CeO2-based electrolyte materials. In this paper, we mainly reviewed the effects of the single, double and multiple doping of samarium and gadolinium on the properties of CeO2-based electrolyte materials, and then further analyzed the doping rules and structure-effect relations of CeO2-based electrolyte materials doped with samarium and gadolinium. Through the analysis of a large number of literature data, the following conclusions are drawn: The single, double and multiple doping of samarium and gadolinium can effectively improve the ionic conductivity of cerium oxide based electrolyte, while the multiple doping can further improve the conductivity due to the closer average ion radius of doping to Ce4+. In a certain temperature range, the conductivity increases first and then decreases with the increase of the doped ion concentration. The results are expected to play a guiding role in the preparation of CeO2-based electrolyte with better performance.
文章引用：张洁, 任超杰, 武文聪, 任宇冰, 李莎莎, 巩晓宁, 杜妮茜. 钐、钆掺杂对氧化铈基电解质材料性能的影响研究进展[J]. 材料科学, 2021, 11(12): 1264-1270. https://doi.org/10.12677/MS.2021.1112146

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