电化学（中英文） ›› 2002, Vol. 8 ›› Issue (2): 165-171. doi: 10.61558/2993-074X.1453
• 研究论文 • 上一篇 下一篇
詹晖,周运鸿
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ZHAN Hui,ZHOU Yun_hong*
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摘要： 采用固相合成方法制备掺锶尖晶石型锂锰氧化物 ,通过X射线衍射法对材料的结构进行了表征 .结果表明 ,当掺入的锶含量较低时 ,得到的产物具有尖晶石结构特征 ,并表现出极佳的电化学性能 ,材料在充放电循环 90周次后仍能保持 95%的容量
关键词: LiSrxMn2-xO4, 尖晶石相, 循环性能
Abstract: Sr_doped spinel phase_LiSrxMn 2-x O4 was successfully prepared by solid_state method. Structural and electrochemical characterizations were carried out. Although Sr 2+ has a large ion radius_1.12 ,the spinel structure can be well maintained for LiSrxMn 2-x O4 sample as far as the x value doesn't surpass 0.05. Electrochemical study presents supporting evidence that doping the stoichiometric LiSrxMn 2-x O4 phase with Sr is an effective way to improve the cycleability of LiSrxMn 2-x O4 spinel material. A remarkable enhancement of the cycleability with retention of the initial capacity >90 % after 95 cycles was observed for the Sr_doped spinel.
中图分类号:
O646
詹晖, 周运鸿. 掺锶尖晶石相-LiSr_xMn_(2-x)O_4的合成和电化学性能研究[J]. 电化学（中英文）, 2002, 8(2): 165-171.
ZHAN Hui, ZHOU Yun_hong. An Investigation on Sr-doped Spinel Phase-LiSr xMn _(2-x ) O _4[J]. Journal of Electrochemistry, 2002, 8(2): 165-171.
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https://electrochem.xmu.edu.cn/CN/Y2002/V8/I2/165
