硅酸盐学报

富锂锰基层状正极材料的表面包覆改性

作者：李栋1 赖华2 罗诗健1 刘小林1 王春香1 钟盛文1

单位：1. 江西理工大学材料科学与工程学院赣州 341000 江西 2. 江西理工大学资源环境与工程学院赣州 341000 江西

关键词：锂离子电池层状正极材料高比容量结构稳定性界面稳定性

分类号：O614.11；TM912

出版年,卷(期):页码：2017,45(7):0-0

DOI：10.14062/j.issn.0454-5648.2017.07.03

摘要：

简述了富锂锰基层状正极材料的结构、电化学性能特征及存在的问题，着重阐述了富锂锰基层状材料的碳、氧化物、氟化物、磷酸盐等表面包覆改性对其倍率性能和循环稳定性的影响，讨论了表面包覆改性的机理和改性中有待改进的关键问题。

The crystal structure, electrochemical performance, of Li-rich manganese-based layered oxide (LLO) were reviewed. The effects of coating materials, such as carbon, metal oxides, metal ?uorides and metal phosphates, on the rate capability and cycle stabilization of LLO were discussed. In addition, recent development and future research on the mechanism of coating was also summarized.

基金项目：

江西省科技支撑计划项目(20151BBE50106，20141BBE50019)；江西省自然科学基金项目(20142BAB216018，20151BAB206018)；江西省教育厅自然科学基金项目(GJJ14444，GJJ150671)；江西理工大学科研基金(NSFJ2015–K08，NSFJ2014–G13，3401223172)；大学生创新创业项目(XZG–15–08–09)。

作者简介：

李栋(1982―)，男，博士，讲师。

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