高能量密度锂离子电池LiNi0.8Co0.15Al0.05O2正极材料改性的研究进展

郑双双 刘艳侠 马立彬

doi:10.12034/j.issn.1009-606X.217244

过程工程学报 >

2018 , Vol. 18 >Issue 2: 225 - 231

DOI: https://doi.org/10.12034/j.issn.1009-606X.217244

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高能量密度锂离子电池LiNi0.8Co0.15Al0.05O2正极材料改性的研究进展

郑双双刘艳侠马立彬

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1. 郑州中科新兴产业技术研究院储能科学与技术重点实验室，河南郑州 450000； 2. 中国科学院过程工程研究所绿色过程与工程重点实验室，北京 100190

收稿日期: 2017-05-23

修回日期: 2017-08-23

网络出版日期: 2018-04-10

基金资助

国家重点研发项目;国家自然基金;中科院国际创新合作伙伴计划

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Study Progress in Modification of LiNi0.8Co0.15Al0.05O2 Cathode Material for High Energy Density Lithium Ion Batteries

Shuangshuang ZHENG Libin MA Yanxia LIU

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1. Key Laboratory of Science and Technology of Energy Storage, Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou, Henan 450000, China; 2. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received date: 2017-05-23

Revised date: 2017-08-23

Online published: 2018-04-10

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摘要

镍钴铝酸锂(LiNi0.8Co0.15Al0.05O2, NCA)因具有高能量密度、高性价比等优点，被视为动力锂电池最具发展潜力的正极材料. 但NCA在使用过程中安全性、循环稳定性、高温性能较差，需要通过离子掺杂、表面包覆等方式改性，以改善材料的电化学性能. 本工作对NCA的改性研究进行总结，并展望了未来的研究方向.

关键词： LiNi0.8Co0.15Al0.05O2; 正极材料; 表面包覆; 离子掺杂; 锂离子电池

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郑双双刘艳侠马立彬 . 高能量密度锂离子电池LiNi0.8Co0.15Al0.05O2正极材料改性的研究进展[J]. 过程工程学报, 2018 , 18(2) : 225 -231 . DOI: 10.12034/j.issn.1009-606X.217244

Abstract

LiNi0.8Co0.15Al0.05O2 has been regarded as the most promising cathode material for power lithium battery because of its high energy density and high cost efficient. However, some issues, such as safety performance, cyclic stability and high temperature performance, hindered its commercial application. The common ideas to enhance these properties including ion doping and surface coating. The modification of LiNi0.8Co0.15Al0.05O2 cathode materials is summarized in this paper, and also has prospect to the future research orientation.

Key words： LiNi0.8Co0.15Al0.05O2; cathode materials; surface coating; ion doping; lithium ion batteries

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