A Novel Route to Synthesize Nano-crystalline Ba0.5Sr0.5Co0.8Fe0.2O3-δ Perovskite Oxide at High Temperature

Wei ZHOU; Zong Ping SHAO; Wan Qin JIN

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A Novel Route to Synthesize Nano-crystalline Ba0.5Sr0.5Co0.8Fe0.2O3-δ Perovskite Oxide at High Temperature

机译：高温合成纳米Ba0.5Sr0.5Co0.8Fe0.2O3-δ钙钛矿氧化物的新途径

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机译：It is normally difficult to prepare nano-sized Ba0.5Sr0.5Co0.8Fe0.2O3-δ(BSCF) oxide at high temperature due to its high surface activity. The complexing process, which has successfully applied in the synthesis of nano Sm0.15Ce0.85O1.925 with crystallite size down to 5 nm1, just resulted in a coarse BSCF with crystallite size of 41.9 nm at 900℃. We applied a novel process by simply modifying the solid precursor from the complexing process with concentrated nitric acid treatment.The obtained BSCF powder had a crystallite size of ～25 nm even calcined at 1000C. The small crystallite size is extremely promising to enhance the electrochemical performance of cathode for solid oxide fuel cell dramatically.

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来源
《中国化学快报（英文版）》 |2006年第10期|1353-1356|共4页
作者
Wei ZHOU; Zong Ping SHAO; Wan Qin JIN;
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作者单位

Key Laboratory of Materials-Oriented Chemical Engineering of Ministry of Education of China College of Chemistry and Chemical Engineering Nanjing University of Technology Nanjing 210009;

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原文格式 PDF
正文语种 chi
中图分类化学;
关键词
Nano-crystallite; perovskite; solid oxide fuel cells;

机译：纳米微晶;钙钛矿固体氧化物燃料电池;
入库时间 2022-08-19 04:38:56

A Novel Route to Synthesize Nano-crystalline Ba0.5Sr0.5Co0.8Fe0.2O3-δ Perovskite Oxide at High Temperature

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