| LiNi1/3Co1/3Mn1/3O2正极材料高温循环性能研究 |
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| 引用本文： | 张胜利,马利华,杨胜杰,宋延华,李良玉.LiNi1/3Co1/3Mn1/3O2正极材料高温循环性能研究[J].电池工业,2009,14(6):369-372. |
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| 作者姓名： | 张胜利 马利华 杨胜杰 宋延华 李良玉 |
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| 作者单位： | 郑州轻工业学院材料与化学工程学院,河南,郑州,450002 |
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| 摘 要： | 采用溶胶-凝胶法合成LiNi1/3Co1/3Mn1/3O2正极材料,对该材料的结构和电化学性能进行了测试。研究结果表明：LiNi1/3Co1/3Mn1/3O2材料在20℃、45℃、65℃条件下首次放电容量分别为138.2mAh/g、129.7 mAh/g、97.75 mAh/g,20周循环后容量保持率分别为94.5%、92.2%、87.8%,表明该材料具有优越的循环性能和高温稳定性能。
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| 关 键 词： | 锂离子电池 正极材料 LiNi1/3Co1/3Mn1/3O2 溶胶-凝胶法 高温循环性能 |
Study on cyclic performance of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 cathode material at high temperature |
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| ZHANG Sheng-li,MA Li-hua,YANG Sheng-jie,SONG Yan-hua,LI Liang-yu.Study on cyclic performance of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 cathode material at high temperature[J].Chinese Battery Industry,2009,14(6):369-372. |
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| Authors: | ZHANG Sheng-li MA Li-hua YANG Sheng-jie SONG Yan-hua LI Liang-yu |
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| Affiliation: | ZHANG Sheng-li,MA Li-hua,YANG Sheng-jie~*,SONG Yan-hua,LI Liang-yu (College of Material , Chemical Engineering,Zhengzhou University of Light Industry,Zhengzhou,Henan 450002,China) |
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| Abstract: | Cathode material LiNi1/3Co1/3Mn1/3O2 was synthesized by a sol-gel method and electrochemical properties were tested.The results showed that its initial discharge specific capacity was 138.2 mAh/g、129.7 mAh/g、97.75 mAh/g respectively at 20℃、45℃、65℃.After 20 cycles,its columbic efficiency was 94.5%、92.2%、87.8%,respectively.It showed that the as-prepared material had excellent cyclic performance and good stable property at high temperature. |
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| Keywords: | LiNi1/3Co1/3Mn1/3O2 |
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