Issue 19, 2024

Recent advances in high-performance lithium-rich manganese-based materials for solid-state lithium batteries

Abstract

All-solid-state lithium batteries (ASSBs) with high energy density and intrinsic safety have received increasing attention, and their performance largely depends on cathode materials. Lithium-rich manganese-based materials (LRMs) have been regarded as the most promising cathode material for next-generation lithium-ion batteries owing to their high theoretical specific capacity (>250 mA h g−1) and low cost. However, existing challenges, including irreversible oxygen release, poor electrochemical reaction kinetics and cycle stability, and voltage decay/hysteresis, have seriously impeded their further commercial application. Furthermore, the application of LRMs in solid-state batteries has rarely been reviewed. In this review, we first elucidate the crystal structure, the electrochemical reaction mechanism and the origin of the high capacity of LRMs. Secondly, we comprehensively summarize the development of LRMs in the systems of solid-state batteries in recent years, and the interfacial chemical/electrochemical stability between the cathode and solid electrolyte is highlighted, which is the main factor determining the performance of ASSBs. Finally, we discuss the challenges and prospects facing the development of high-performance solid-state batteries with LRMs cathodes. Particularly, we highlight the combination of LRMs with halide solid electrolytes processing high ionic conductivity as well lithium/silicon carbon anodes with high specific capacity to construct high-performance solid-state batteries in the future.

Graphical abstract: Recent advances in high-performance lithium-rich manganese-based materials for solid-state lithium batteries

Article information

Article type
Review Article
Submitted
15 Jun 2024
Accepted
05 Ago 2024
First published
06 Ago 2024

Mater. Chem. Front., 2024,8, 3082-3105

Recent advances in high-performance lithium-rich manganese-based materials for solid-state lithium batteries

K. Gao, C. Sun and Z. Wang, Mater. Chem. Front., 2024, 8, 3082 DOI: 10.1039/D4QM00513A

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