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Functional Interface Design Stabilizes Li-Ion Storage in Si Anodes
Junhao Zhong1, Lilin Lin1, Haojiang Wu1
1School of Chemistry, South China Normal University, Guangzhou, People's Republic of China.
Small (Weinheim an Der Bergstrasse, Germany)
|January 5, 2026
Summary
Interface engineering enhances silicon anodes for high-energy lithium-ion batteries by stabilizing structures and improving ion transfer, overcoming capacity fading issues for better battery performance.
Area of Science:
- Materials Science
- Electrochemistry
- Battery Technology
Background:
- Silicon (Si) offers high capacity for lithium (Li)-ion batteries but suffers from volume expansion and degradation.
- Pulverization and interfacial instability lead to rapid capacity fading in Si anodes.
Purpose of the Study:
- To review advances in interface engineering for Si-based anodes.
- To analyze multiscale interfaces and their role in Li-ion storage stability.
Main Methods:
- Focus on interfaces from functional coatings, electrolytes, binders, and current collectors.
- Analysis of interface design principles and dynamic structural evolution.
- Comprehensive analysis of Li-ion and charge transfer kinetics.
Main Results:
- Interface engineering is critical for enhancing Li-ion storage stability in Si anodes.
- Strategies for improving electrochemical performance through interface design are highlighted.
- Understanding multiscale interfaces guides material development.
Conclusions:
- Summarizes current challenges in Si anode interface engineering.
- Outlines future research directions for high-performance Si anodes.
- Provides theoretical guidance for developing advanced Si anodes.
