| 柠檬酸-硝酸盐法制备中温SOFC材料 |
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| 引用本文： | 李彦,吴金星,赵大治,魏新利.柠檬酸-硝酸盐法制备中温SOFC材料[J].郑州大学学报(工学版),2007,28(1):106-109. |
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| 作者姓名： | 李彦 吴金星 赵大治 魏新利 |
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| 作者单位： | 1. 郑州大学,化工学院,河南,郑州,450001
2. 河南电力试验研究院,河南,郑州,450052 |
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| 基金项目： | 郑州大学"211工程"重点建设学科项目 |
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| 摘 要： | 采用燃烧合成的方法—柠檬酸-硝酸盐法合成中温固体氧化物燃料电池的电解质及电极材料的初始粉末.电池的电解质材料是Ce0.8Gd0.2O1.95(GDC),阴极材料是La0.7Sr0.3Co0.3Fe0.7O3(LSCF),还原前的阳极材料是掺Ce0.8Sm0.2O1.9(SDC)的NiO.借助XRD和TG-DTA等测试手段对材料的晶体结构和反应过程进行了分析.实验结果表明,柠檬酸-硝酸盐燃烧合成法能制备纳米级的电解质及电极材料的初始粉末,燃烧合成中pH值的大小和合成后的烧结温度能很大的影响晶粒的成长和相的生成.
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| 关 键 词： | 柠檬酸-硝酸盐法 阴极材料 阳极材料 |
| 文章编号： | 1671-6833(2007)01-0106-04 |
| 修稿时间： | 2006年10月10 |
Study on the Preparation of IT-SOFC Electrolyte and Electrode Material by Citric Acid-nitrate Method |
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| LI Yan,WU Jin-xing,ZHAO Da-zhi,WEI Xin-li.Study on the Preparation of IT-SOFC Electrolyte and Electrode Material by Citric Acid-nitrate Method[J].Journal of Zhengzhou University: Eng Sci,2007,28(1):106-109. |
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| Authors: | LI Yan WU Jin-xing ZHAO Da-zhi WEI Xin-li |
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| Abstract: | Electrode and electrolyte material fitting to IT-SOFC were synthesized by the combination of sol gel and citric acid-nitrate low temperature self-propagating combustion method.Ce0.9Gd0.1O1.95(GDC)and La0.7Sr0.3Co0.3Fe0.7O3(LSCF) are used as electrolyte and cathode material respectively,while NiO-Ce0.8Sm0.2O1.9(NiO-SDC)is a perfect anode precursor material.The crystal structure and reaction progress were investigated with XRD and TG-DTA.The results show that the electrode and electrolyte material with the diameter of tens of nm can be synthesized using sol gel and citric acid-nitrate low temperature self-propagating combustion method.Crystal growth and crystal structure depends strongly on pH value and the sinter temperature. |
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| Keywords: | citric acid-nitrate method cathode material anode material |
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