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Fast-Charging Solid-State Li Batteries: Materials, Strategies, and Prospects.
Jing Yu1,2, Yuhao Wang2, Longyun Shen2
1College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China.
Advanced Materials (Deerfield Beach, Fla.)
|December 25, 2024
Summary
Fast charging solid-state batteries (SSBs) are key for electrification but face hurdles. This review explores materials and strategies to overcome challenges like slow ion transport and poor interfaces for efficient, safe, rapid charging.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Rapid battery charging is vital for electrification in transportation, grid storage, and electronics.
- Conventional lithium-ion batteries struggle with fast charging due to safety and efficiency issues.
- Solid-state batteries (SSBs) offer enhanced safety but face challenges in achieving fast-charging capabilities.
Purpose of the Study:
- To review materials and strategies for developing fast-charging solid-state batteries.
- To analyze methods for enhancing ion transport and interfacial properties in SSBs.
- To provide insights for designing next-generation fast-charging SSBs.
Main Methods:
- Comprehensive review of solid electrolyte materials (ceramics, polymers, composites).
- Analysis of electrode materials and composite strategies for SSBs.
- Examination of methods for improving ion transport and interface chemistry.
Main Results:
- Identified key challenges in fast-charging SSBs: slow Li+ transport, sluggish electrode kinetics, poor interfacial contact, and dendrite growth.
- Analyzed material engineering (crystal structure, composition, microstructure) for enhanced ion transport.
- Highlighted the importance of interface/interphase chemistry for Li+ transport mechanisms.
Conclusions:
- Overcoming fundamental obstacles is crucial for realizing fast-charging SSBs.
- Material design and interface optimization are key to advancing SSB technology.
- This review provides guidance for developing high-performance, fast-charging solid-state batteries.
