Li-Rich Mn-Based Cathode Materials for Li-Ion Batteries: Progress and Perspective

Author:

Guo Weibin12,Weng Zhangzhao1,Zhou Chongyang1,Han Min1ORCID,Shi Naien1,Xie Qingshui2,Peng Dong-Liang2

Affiliation:

1. Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, China

2. State Key Laboratory of Physical Chemistry of Solid Surface, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, Xiamen 361005, China

Abstract

The development of cathode materials with high specific capacity is the key to obtaining high-performance lithium-ion batteries, which are crucial for the efficient utilization of clean energy and the realization of carbon neutralization goals. Li-rich Mn-based cathode materials (LRM) exhibit high specific capacity because of both cationic and anionic redox activity and are expected to be developed and applied as cathode materials for a new generation of high-energy density lithium-ion batteries. Nevertheless, the difficulty of regulating anionic redox reactions poses significant challenges to LRM, such as low initial Coulombic efficiency, poor rate capability, and fast cycling capacity and voltage decay. To address the existing challenges of LRM, this review introduces their basic physicochemical characteristics in detail, analyzes the original causes of these challenges, focuses on the recent progress of the modification strategies, and then especially discusses the development prospects of LRM from different aspects.

Funder

National Natural Science Foundation of China

Start-Up Fund for High-Leveled Talents from Fujian Normal University

Fundamental Research Funds for the Central Universities of China

Science and Technology Projects of Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province

“Double-First Class” Foundation of Materials Intelligent Manufacturing Discipline of Xiamen University

Publisher

MDPI AG

Subject

Inorganic Chemistry

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