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高电压LiCoO2锂电池正极材料的改性研究进展
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福建师范大学物理与能源学院 福建省量子调控与新能源材料重点实验室

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国家自然科学基金(61574037)


Research progress of high-voltage LiCoO2 cathode for lithium-ion batteries
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1.College of Physics and Energy,Fujian Normal University,Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials,Fuzhou,350117;2.China;3.Fujian Provincial Collaborative Innovation Centre for Advanced High-Field Superconducting Materials and Engineering,Fuzhou,350117

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    摘要:

    钴酸锂(LiCoO2,简称LCO)是应用最广泛的3C数码产品储能正极材料之一,开发高电压LCO正极材料将进一步提高其能量密度和电池续航能力,是未来便携式储能设备的发展趋势。在众多材料改性方法中,体相掺杂和表面修饰作为改善高电压LCO性能最有效的手段,具有极高的学术和应用价值。本文通过介绍用于LCO正极材料体相掺杂以及表面修饰的常用材料、制备方法以及改性机制、协同效应,总结高电压LCO的研究进展,并指出存在的问题以及未来的发展趋势。

    Abstract:

    Lithium cobalt oxide (LiCoO2) is one of the most widely used anode materials for energy storage of 3C digital products. The development of high-voltage LiCoO2 cathode material will further increase its energy density and battery endurance. In a variety of material modification methods, bulk doping and surface modification are the both effective means to improve the performance of high-voltage LiCoO2, and have extremely high academic and industrial application values. In this paper, we summarize the research progress of high-voltage LiCoO2 by introducing common materials used for bulk doping and surface modification of LiCoO2 cathode materials, and their surface modification, preparation methods, modification mechanisms, and synergistic effects. Moreover, existing problems and future development trends are also pointed out.

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林春,陈越,林洪斌,李志宣,潘汉殿,黄志高.高电压LiCoO2锂电池正极材料的改性研究进展[J].稀有金属材料与工程,2021,50(4):1492~1504.[Lin Chun, Chen Yue, Lin Hongbin, Li Zhixuan, Pan Handian, Huang Zhigao. Research progress of high-voltage LiCoO2 cathode for lithium-ion batteries[J]. Rare Metal Materials and Engineering,2021,50(4):1492~1504.]
DOI:10.12442/j. issn.1002-185X.20200369

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  • 收稿日期:2020-05-29
  • 最后修改日期:2020-08-04
  • 录用日期:2020-08-28
  • 在线发布日期: 2021-05-08
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