Lithium‐ion batteries are essential mobile power sources for portable devices and energy supplies. Among the various cathode materials, cobalt oxides are the most important materials used in lithium‐ion batteries. But the intrinsic drawbacks of cobalt oxides restrict their wide application. In this paper, we present an overview of current approaches to improve the electrochemical performance of the cathode materials, as well as the capacity and cycling capability of the lithium‐ion batteries.

中文翻译：

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可充电锂电池氧化钴正极的性能改进

锂离子电池是便携式设备和能源供应必不可少的移动电源。在各种正极材料中，氧化钴是锂离子电池中最重要的材料。但是氧化钴的固有缺点限制了它们的广泛应用。在本文中，我们概述了目前用于改善正极材料的电化学性能以及锂离子电池的容量和循环能力的方法。