| MgAl2O4尖晶石对锂离子电池正极材料LiMn2O4的循环性能影响研究 |
| Cyclic Performance of Cathode Material LiMn2O4 with MgAl2O4 Spinel Doping |
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| 摘要: |
| 关键词: 锰酸锂 铝酸镁 改性 机理 |
| 基金项目: |
| Abstract: MgAl2O4 spinel doping into cathode materials LiMn2O4 was used to improve the cyclic performance of the cathode. X-ray analysis results showed, when MgAl2O4 precursors were mixed with LiMn2O4 and sintered at 770 ℃ for 12 hour, MgAl2O4-LiMn2O4 mulriple spinel with the same physical characteristics as pure LiMn2O4 were synthesized. The electro-chemical performance testing showed, comparing with pure LiMn2O4, the first charge-discharge capacity of doping materials somewhat reduced, but the cyclic performance improved. The mechanism for doping material was also discussed. |
| Keywords: LiMn2O4 MgAl2O4 performance-modify mechanism |
| 投稿时间：2005-03-28 修订日期：2005-06-07 |
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| 肖劲,朱华丽,陈召勇,彭忠东,胡国荣.MgAl2O4尖晶石对锂离子电池正极材料LiMn2O4的循环性能影响研究[J].无机化学学报,2005,21(11):1719-1722. |
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