| 锂离子电池正极材料尖晶石型LiMn2O4的制备及电化学性能研究 |
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| 引用本文： | 朱希平.锂离子电池正极材料尖晶石型LiMn2O4的制备及电化学性能研究[J].东莞理工学院学报,2012,19(3):83-87. |
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| 作者姓名： | 朱希平 |
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| 作者单位： | 深圳市欧赛科技有限公司,广东深圳,518109 |
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| 摘 要： | 首次采用基于复合络合剂柠檬酸和β-环糊精的溶胶凝胶法制备了尖晶石型锰酸锂，并研究了煅烧温度对材料电化学性能的影响。电化学性能表明，700℃煅烧制备的材料具有优异的倍率和循环性能。在3C电流下此材料的首次和第200次放电比容量分别为102mAh／g和90．8mAh／g，容量保持率为89％。
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| 关 键 词： | 锂离子电池 正极材料 溶胶凝胶法 锰酸锂 |
Preparation and Electrochemical Performance of Spinel LiMn2O4 as Cathode Material for Lithium.ion Batteries |
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| ZHU Xi-ping.Preparation and Electrochemical Performance of Spinel LiMn2O4 as Cathode Material for Lithium.ion Batteries[J].Journal of Dongguan Institute of Technology,2012,19(3):83-87. |
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| Authors: | ZHU Xi-ping |
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| Institution: | ZHU Xi-ping (Shenzhen O’cell Technology Co.Ltd.,Shenzhen 518109,China) |
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| Abstract: | Spinel LiMn2O4 has been firstly synthesized by a sol-gel method based on composite chelating reagents of citric acid and β-cyclodextrin,and the effects of calcination temperatures on the electrochemical performance of the LiMn2O4 has also been investigated.The electrochemical results indicate that the spinel LiMn2O4 synthesized at 700℃ exhibits good rate capability and cyclic performance.It is 102 mAh/g and 90.8 mAh/g that are delivered at 3 C in the 1st and 200th cycles,respectively,with the retention of 89% |
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| Keywords: | lithium-ion batteries cathode material sol-gel method LiMn2O4 |
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