[1]李永亮,马定涛,张培新.静电纺丝制备富锂锰基锂电正极材料及其性能[J].深圳大学学报理工版,2017,34(2):132-137.
 Li Yongliang,Ma Dingtao,and Zhang Peixin. Electrospinning preparation and performance of lithium-rich manganese-based lithium ion battery cathode material[J].Journal of Shenzhen University Science and Engineering,2017,34(2):132-137.
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静电纺丝制备富锂锰基锂电正极材料及其性能()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第34卷
期数:
2017年第2期
页码:
132-137
栏目:
化学与化工
出版日期:
2017-03-20

文章信息/Info

Title:
 Electrospinning preparation and performance of lithium-rich manganese-based lithium ion battery cathode material
作者:
 李永亮马定涛张培新
 深圳大学化学与环境工程学院,广东深圳518060
Author(s):
 Li Yongliang Ma Dingtao and Zhang Peixin
College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
 应用化学静电纺丝富锂锰基管状结构煅烧温度电化学性能
Keywords:
 applied chemistry electrospinning lithium-rich manganese tube-like structure calcination temperature electrochemical performance
分类号:
O 69
文献标志码:
A
摘要:
 通过静电纺丝技术制备了具有一维管状结构的Li1.2Mn0.54Ni 0.13 Co0.13 O2正极材料,研究了煅烧温度对电极材料表面形貌和电化学性能的影响.结果表明,煅烧温度为850 ℃时所制产物具有较好的离子扩散性能,在50 mAh··-1的电流密度下首次放电比容量为249.5 mAh·g-1,50次循环后的容量保持率为87%,表现出较高的放电比容量和较好的循环稳定性.
Abstract:
 One-dimensional tube-like structure of Li1.2Mn0.54Ni 0.13 Co0.13 O2 cathode material was synthesized by electrospinning. The effects of calcination temperature on the morphology and electrochemical performance of the batterycathode material were studied. The results show that the sample synthesized at 850 ℃ possesses a relatively high discharge capacity and good cyclic stability, which delivers 249.5 mAh·g-1 at the first cycle and remains 87% retention after the current density of 50 cycles at 50 mAh·g-1, owing to a relatively high ionic diffusion capability.

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更新日期/Last Update: 2017-03-03