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首页> 外文期刊>Advanced energy materials >An Overview on the Advances of LiCoO_2 Cathodes for Lithium-Ion Batteries
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An Overview on the Advances of LiCoO_2 Cathodes for Lithium-Ion Batteries

机译：锂离子电池LiCoO_2阴极前进的概述

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摘要

LiCoO2, discovered as a lithium-ion intercalation material in 1980 by Prof. John B. Goodenough, is still the dominant cathode for lithium-ion batteries (LIBs) in the portable electronics market due to its high compacted density, high energy density, excellent cycle life and reliability. In order to satisfy the increasing energy demand of portable electronics such as smartphones and laptops, the upper cutoff voltage of LiCoO2-based batteries has been continuously raised for achieving higher energy density. However, several detrimental issues including surface degradation, damages induced by destructive phase transitions, and inhomogeneous reactions could emerge as charging to a high voltage (4.2 V vs Li/Li+), which leads to the rapid decay of capacity, efficiency, and cycle life. In this review, the history and recent advances of LiCoO(2)are introduced, and a significant section is dedicated to the fundamental failure mechanisms of LiCoO(2)at high voltages (4.2 V vs Li/Li+). Meanwhile, the modification strategies and the development of LiCoO2-based LIBs in industry are also discussed.
机译：LiCoO2，由John B. Goodenge教授被发现为1980年的锂离子嵌入材料，仍然是便携式电子市场锂离子电池（LIBS）的主导阴极，这是由于其高压实密度，高能量密度，优异循环寿命和可靠性。为了满足便携式电子产品的越来越多的能源需求，例如智能手机和笔记本电脑，因此连续提高了基于LiCoO2电池的上截止电压，以实现更高的能量密度。然而，包括表面劣化，因破坏性相变诱导的损害以及不均匀反应的几个有害问题可能会出现为对高电压的充电（> 4.2V与Li / Li +），这导致容量，效率和循环的快速衰减生活。在本次审查中，介绍了LiCo（2）的历史和最近进步，并且重要的部分专用于高电压（> 4.2V与Li / Li +）处的LiCoO（2）的根本故障机制。同时，还讨论了改进策略和工业中基于Liboo2的Libs的发展。

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  • 来源
    《Advanced energy materials》 |2021年第2期|2000982.1-2000982.29|共29页
  • 作者

    Lyu Yingchun; Wu Xia; Wang Kai; Feng Zhijie; Cheng Tao; Liu Yang; Wang Meng; Chen Riming; Xu Leimin; Zhou Jingjing; Lu Yuhao; Guo Bingkun;

  • 作者单位

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Ningde Amperex Techol Ltd Ningde 352100 Peoples R China;

    Ningde Amperex Techol Ltd Ningde 352100 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Ningde Amperex Techol Ltd Ningde 352100 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Ningde Amperex Techol Ltd Ningde 352100 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

    Ningde Amperex Techol Ltd Ningde 352100 Peoples R China;

    Shanghai Univ Mat Genome Inst Shanghai 200444 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    failure mechanisms; high-voltage LiCoO2; lithium-ion batteries; modification strategies;

    机译：失效机制;高压LiCoO2;锂离子电池;修改策略;

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