无机材料学报 ›› 2011, Vol. 26 ›› Issue (7): 673-679.DOI: 10.3724/SP.J.1077.2011.00673 CSTR: 32189.14.SP.J.1077.2011.00673

• 综述 •    下一篇

锂离子电池富锂正极材料xLi2MnO3·(1-x)LiMO2(M=Co, Fe, Ni1/2Mn1/2…)的研究进展

赵煜娟, 冯海兰, 赵春松, 孙召琴   

  1. (北京工业大学 环境与能源工程学院, 北京 100124)
  • 收稿日期:2010-10-20 修回日期:2010-12-10 出版日期:2011-07-20 网络出版日期:2011-06-20
  • 作者简介:赵煜娟(1974-), 女, 副教授. E-mail: zhaoyujuan@bjut.edu.cn
  • 基金资助:

    北京市自然科学基金(2093031); 北京市教育委员会科技创新平台面上项目(JX005012201001); 北京市属市管高等学校人才强教-学术创新团队(PHR201107104)

Progress of Research on the Li-rich Cathode Materials xLi2MnO3· (1-x) LiMO2 (M=Co, Fe, Ni1/2Mn1/2…) for Li-ion Batteries

ZHAO Yu-Juan, FENG Hai-Lan, ZHAO Chun-Song, SUN Zhao-Qin   

  1. (College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China)
  • Received:2010-10-20 Revised:2010-12-10 Published:2011-07-20 Online:2011-06-20
  • Supported by:

    Beijing Municipal Natural Science Foundation (2093031); Beijing Municipal Eduction Committee Science and Technology (JX005012201001); Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality (PHR201107104)

摘要: 新一代固溶体富锂正极材料xLi2MnO3·(1-x)LiMO2(M=Co, Fe, Ni1/2Mn1/2…)具有高比容量、优秀的循环能力以及新的电化学充放电机制, 可能被用做新型高比能量锂离子电池正极材料. 本文介绍了富锂正极材料的结构、合成方法、电化学性能研究, 探讨了影响其电化学性能的若干因素. 并对其进行的各种改性研究进行了概述, 分析总结了不同富锂正极材料所具有的特性和发展趋势.

关键词: 富锂正极材料, 结构, 合成方法, 电化学性能, 综述

Abstract: A new generation of Li-rich solid solution materials is cathode material xLi2MnO3·(1-x)LiMO2 (M= Co, Fe, Ni1/2Mn1/2…) because of its excellent electrochemical performance. The series of Li-rich cathode material exhibits high capacity and excellent cycleability, which may be associated with a new electrochemical charge-discharge mechanism, It is proposed to satisfy the high energy Li-ion batteries. The structure, synthesis methods and electrochemical properties of the Li-rich cathode materials were reviewed in this paper. The factors affecting the electrochemical properties of the cathode materials were discussed, and the recent research progress on improving the electrochemical performance of Li-rich cathode materials was summarized. In addition, the characteristics and the trend of different Li-rich cathode materials were described.

Key words: Li-rich cathode materials, structure, synthesis methods, electrochemical performance, review

中图分类号: