铈酸钡及其复合钙钛矿合成技术综述

Seere Valappil Jasira, Vannadil Puthiyaveetil Veena, Cherlan Kottianmadathil Shilpa, Kavukuzhi Meerasahib Nissamudeen
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引用次数: 5

摘要

近年来,钙钛矿因其独特的性能和潜在的应用而引起了越来越多的关注。铈酸钡(BC)质子导电钙钛矿在氢传感器、燃料电池、质子分离膜等方面的应用已经进行了几十年的研究,与氧化物离子导体相比,在相同的条件下,陶瓷质子导电铈酸钡具有较高的离子导电性,可以将固体氧化物燃料电池的工作温度降低到673 - 873 K的中间温度范围。本文对bc系钙钛矿的不同合成方法和优化条件进行了详细的分析和总结,并对已报道的数据进行了详细的分析。对固相反应法和共沉淀法、燃烧法、佩奇尼法等湿法合成方法进行了系统的研究。尽管固态方法有相当大的缺点,但由于易于处理,大多数研究人员都避免了它的不足。简要讨论了该材料的应用,以说明其技术重要性。本报告最后介绍了为克服这些材料的加工复杂性而采用的最新进展和创新技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Barium Cerate and its composite perovskites – synthesis techniques: a comprehensive review
Perovskites have attracted growing interest in recent era due to their unique properties and potential applications. Barium cerate (BC) proton-conducting perovskites have been examined over decades for various applications such as hydrogen sensors, fuel cells, proton separation membranes, etc. when compared with oxide ion conductors under the same circumstances, ceramic proton conducting barium cerate can diminish the working temperature of solid oxide fuel cells to an intermediate temperature range, 673 – 873 K because of their higher ionic conduction. The present review carefully analyses and summarizes different synthesis approaches with optimization conditions to prepare BC-derived perovskites and the reported data have been carefully analyzed. A range of synthesis methods such as solid-state reaction method and wet chemical processes like coprecipitation, combustion, pechini method, etc., have been systematically investigated. Even though the solid-state method has considerable disadvantages, most researchers avoid its incompetence due to the easiness of processing. Applications of the material have been briefly deliberated to exemplify its technological importance. The present review concluded with the recent signs of progress and innovative techniques employed to overcome the processing complications in these materials.
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