用于制备质子导电复合材料的高分散添加剂BaSnO3的合成

IF 3 Q2 MATERIALS SCIENCE, COMPOSITES
Anton V. Loginov, Alexander I. Aparnev, Nikolai F. Uvarov, Valentina G. Ponomareva, Alexander G. Bannov
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引用次数: 0

摘要

用差热分析法研究了氢锡酸钡BaSn(OH)6作为前驱体制备锡酸钡BaSnO3的热裂解过程。采用x射线衍射、红外光谱、低温氮吸附和扫描电镜对前驱体的热分解产物进行了表征。结果表明,在近270℃下脱水形成x射线非晶多相产物,在600℃以上形成单相锡酸钡结晶。将合成的锡酸钡作为功能添加剂,在CsHSO4-BaSnO3体系中制备复合质子电解质。研究了所得体系的结构和输运性质。结果表明,盐的高导电状态在较宽的温度范围内是稳定的。复合固体电解质在中等温度范围内的高电导率值为其作为固体电解质膜材料创造了可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis of BaSnO3 as a Highly Dispersed Additive for the Preparation of Proton-Conducting Composites
The process of thermolysis of barium hydroxostannate BaSn(OH)6 as a precursor for preparing barium stannate BaSnO3 has been investigated using the method of differential thermal analysis. Thermal decomposition products of the precursor were characterized using X-ray diffraction, IR spectroscopy, low-temperature nitrogen adsorption, and scanning electron microscopy. It was shown that dehydration at nearly 270 °C resulted in the formation of an X-ray amorphous multiphase product, from which single-phase barium stannate crystallized at temperatures above 600 °C. The synthesized barium stannate was used as a functional additive to prepare composite proton electrolytes in the CsHSO4-BaSnO3 system. The structural and transport properties of the obtained system were investigated. It is shown that the highly conductive state of the salt is stabilized in a wide range of temperatures. High conductivity values of composite solid electrolytes in the medium temperature range create the possibility of their use as solid electrolyte membrane materials.
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来源期刊
Journal of Composites Science
Journal of Composites Science MATERIALS SCIENCE, COMPOSITES-
CiteScore
5.00
自引率
9.10%
发文量
328
审稿时长
11 weeks
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