| 不同沉淀剂对Li_(1.1)Ni_(0.5)Mn_(0.5)O_2结构和电化学性能的影响 |
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| 引用本文： | 宋腾飞,张海朗.不同沉淀剂对Li_(1.1)Ni_(0.5)Mn_(0.5)O_2结构和电化学性能的影响[J].应用化工,2013,42(9):1627-1631. |
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| 作者姓名： | 宋腾飞 张海朗 |
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| 作者单位： | 江南大学化学与材料工程学院,江苏无锡,214122 |
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| 基金项目： | 中央高校基本科研业务费专项资金资助 |
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| 摘 要： | 通过共沉淀-高温煅烧方法合成了层状结构的Li1.1Ni0.5Mn0.5O2正极材料,并通过XRD、SEM研究了不同沉淀剂对产物结构和形貌的影响。运用恒电流充放电测试、CV及EIS研究了其电化学性能。结果表明,不同沉淀剂合成的产物均具有良好的层状结构及形貌。碳酸盐为沉淀剂合成的产物锂镍混排度最小,颗粒更均匀,具有最低的极化及最小的电荷转移阻抗,具有最高的容量及最优的倍率性能。
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| 关 键 词： | 锂离子电池 Li1.1Ni0.5Mn0.5O2 共沉淀 沉淀剂 |
Effects of precipitant agent on the structure and electrochemical performance of Li1.1 Ni0.5 Mn0.5 O2 synthesized by co-precipitation method |
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| SONG Teng-fei
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ZHANG Hai-lang.Effects of precipitant agent on the structure and electrochemical performance of Li1.1 Ni0.5 Mn0.5 O2 synthesized by co-precipitation method[J].Applied chemical industry,2013,42(9):1627-1631. |
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| Authors: | SONG Teng-fei ZHANG Hai-lang |
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| Affiliation: | SONG Teng-fei;ZHANG Hai-lang;School of Chemical and Material Engineering,Jiangnan University; |
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| Abstract: | |
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| Keywords: | lithium-ion batteries Li1 1 Ni0 5 Mn0 5 O2 co-precipitation precipitant agent |
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