| 熔融碳酸盐燃料电池阴极材料制备与导电性 |
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| 引用本文： | 李建玲,钱大伟,张世超,王新东.熔融碳酸盐燃料电池阴极材料制备与导电性[J].北京科技大学学报,2003,25(2):167-170. |
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| 作者姓名： | 李建玲 钱大伟 张世超 王新东 |
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| 作者单位： | 1. 北京科技大学冶金学院,北京,100083
2. 北京航空航天大学材料学院,北京,100083 |
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| 基金项目： | 国家自然科学基金;50074003; |
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| 摘 要： | 研究了熔融碳酸盐燃料电池（MCFC）阴极材料锂铁氧化物电极的导电性能。实验结果表明在合成锂铁氧化物的过程中，使Li2CO3轻微过量，可以提高锂铁氧化物电极的导电性。在同一温度下，随着Li:Fe值的增大，锂铁氧化物电极的导电性增加。相同Li:Fe条件下，锂铁氧化物电极的导电性随着温度升高按指数规律增加。扫描电镜研究（SEM）表明，Li:Fe比值不同，制备的锂铁氧化物电极表面形貌也不同。
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| 关 键 词： | 熔融碳酸盐燃料电池 阴极材料 制备方法 导电性 锂铁氧化物 表面形貌 |
| 修稿时间： | 2002年6月5日 |
Conductivity of MCFC Cathode Material - Lithium Ferrite Oxide |
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| LI Jianling,QIAN Dawei,ZHANG Shichao,WANG Xindong
Metallurgy School,University of Science and Technology Beijing,Beijing ,China
Material Science and Engineering School,Beijing University of Aeronautics and Astronautics,Beijing ,China.Conductivity of MCFC Cathode Material - Lithium Ferrite Oxide[J].Journal of University of Science and Technology Beijing,2003,25(2):167-170. |
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| Authors: | LI Jianling QIAN Dawei ZHANG Shichao WANG Xindong
Metallurgy School University of Science and Technology Beijing Beijing China
Material Science and Engineering School Beijing University of Aeronautics and Astronautics Beijing China |
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| Institution: | LI Jianling,QIAN Dawei,ZHANG Shichao,WANG Xindong
1) Metallurgy School,University of Science and Technology Beijing,Beijing 100083,China
2) Material Science and Engineering School,Beijing University of Aeronautics and Astronautics,Beijing 100083,China |
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| Abstract: | The conductivity performance of lithium fertile oxide for molten carbonate fuel cells was investigated. The results showed that the conductivity of lithium fertile oxide can be improved by making Li2CO3 excessive slightly in the prcess of preparing lithium ferrite oxide. At the same temperature, the conductivity of lithium ferrite oxide increase with the increasing of Li:Fe values. However, at the same Li:Fe value, the conductivity of lithium ferrite oxide increases exponentially with the increasing of temperature. SEM analysis showed electrode surface micrographics of lithium ferrite oxide with various Li:Fe values are different. |
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| Keywords: | molten carbonate fuel cell lithium ferrite oxide conductivity |
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