Issue 19, 2021

A review on the electrochemical reaction of Li-rich layered oxide materials

Abstract

Lithium-rich layered oxide materials xLi2MnO3·(1 − x)LiMO2 (M = Mn, Co, Ni, Fe, Cr, etc.) are promising cathode candidates for high energy Li-ion batteries because of their high specific capacities (>250 mA h g−1) and reasonable working voltage. The high capacity comes from the activation of inactive Li2MnO3 in the high voltage range (>4.5 V). However, many adverse factors appear along with the activation process, such as low initial coulombic efficiency and severe capacity and voltage fading during cycling, which limit the commercialization of Li-rich materials. This review based on existing research on the electrochemistry of Li-rich materials presents an introduction to the reaction mechanism, challenges and strategies and prospects.

Graphical abstract: A review on the electrochemical reaction of Li-rich layered oxide materials

Article information

Article type
Review Article
Submitted
31 май 2021
Accepted
09 июл 2021
First published
10 июл 2021

Inorg. Chem. Front., 2021,8, 4300-4312

A review on the electrochemical reaction of Li-rich layered oxide materials

J. Yang, Y. Niu, X. Wang and M. Xu, Inorg. Chem. Front., 2021, 8, 4300 DOI: 10.1039/D1QI00687H

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