Research Status of Li-rich Layered Materials Based on Defect Engineering

被引：0
|
作者：
Chen Y. [1 ,2 ]
Xie Z. [1 ]
Wang M. [1 ]
Ma Z. [1 ]
Li S. [1 ]
Yan W. [1 ]
Li F. [1 ]
机构：
[1] School of Materials Science and Engineering, Linyi University, Shandong, Linyi
[2] Philippine Christian University Center for International Education, Manila
来源：
Cailiao Daobao/Materials Reports | 2024年 / 38卷 / 04期
基金：
中国国家自然科学基金;
关键词：
charge-discharge mechanism; crystal structure; ions doping; Li-rich layered material; vacancy defect;
D O I：
10.11896/cldb.22070108
中图分类号：
学科分类号：
摘要：
With the rapid development of long-range electric vehicles, the development of high-energy-density and low-cost power batteries has become an important factor. Li-rich layered materials, with high energy density and low cost, are expected to be the next-generation commercial cathode materials. Nevertheless, the rapid voltage and capacity attenuation, caused by the transformation from the layered structure to the spinel structure during charge/discharge processes, limited their commercial applications. In regard to these challenges the crystal structure, charge-discharge mechanism, fading mechanism of voltage and capacity of Li-rich layered materials are summarized, and the modification methods from the perspective of defect engineering are discussed as well in this paper. Finally, the outlook for future development of Li-rich layered materials is given. © 2024 Cailiao Daobaoshe/ Materials Review. All rights reserved.
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