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Toward High-Performance Li-Rich Mn-Based Layered Cathodes: A Review on Surface Modifications
Guangren Wang1, Ming Xu2, Linfeng Fei1
1School of Physics and Materials Science, Nanchang University, Nanchang, Jiangxi, 330031, P. R. China.
Small (Weinheim an Der Bergstrasse, Germany)
|October 26, 2024
Summary
Lithium-rich manganese-based layered oxides (LRMOs) show promise for batteries but suffer from unstable surfaces. Surface modifications are key to overcoming these issues and enabling next-generation battery technology.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium-rich manganese-based layered oxides (LRMOs) offer high capacity and low cost for battery applications.
- However, their practical use is hindered by unstable surface structures, poor cycling, and voltage decay.
Purpose of the Study:
- This review outlines challenges in LRMO surface stability.
- It highlights recent advances in surface modification strategies to improve performance.
Main Methods:
- Focuses on outside-in surface decoration techniques.
- Discusses surface coating, doping, structural reconstruction, and multi-strategy modifications.
Main Results:
- Surface modifications are crucial for stabilizing LRMOs.
- Atomic and mesoscopic scale strategies effectively address performance limitations.
Conclusions:
- Optimized surface modifications are essential for realizing the potential of LRMOs.
- These advancements pave the way for sustainable, high-performance battery technologies.
Keywords:
layered oxideslithium‐ion batterylithium‐rich manganese‐based materialssurface modifications
