材料科学
电化学
阴极
能量密度
离子
高能
自行车
电极
化学工程
纳米技术
冶金
工程物理
物理化学
历史
物理
工程类
量子力学
考古
化学
作者
Jianming Sun,Xin Cao,Haoshen Zhou
出处
期刊:Physical Review Materials
[American Physical Society]
日期:2022-07-13
卷期号:6 (7)
被引量:1
标识
DOI:10.1103/physrevmaterials.6.070201
摘要
The studies of Ni-rich cathode materials have been the top priority of research because of the high energy density and fair cycling life. However, suffering from severe crack generations and side reactions, the traditional polycrystal (PC) Ni-rich material displayed structural/electrochemical fade during cycling. Compared with PC, single-crystal (SC) Ni-rich materials exhibited excellent structural stability and cycling performance, benefiting from the limited side reaction and gas generation. In this review, the authors not only compared the structural evolution and electrochemical failure mechanisms between PC and SC, but also summarized the synthesis methods and characterization techniques of SC, which provides universal insights into the development of Ni-rich cathode materials.
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