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Electrolyte Design for Fast-Charging Lithium-Based Batteries
Chen Liu1, Zehao Cui1, Arumugam Manthiram1
1Materials Science and Engineering Program and Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas, USA.
Advanced Materials (Deerfield Beach, Fla.)
|August 11, 2026
Summary
Fast charging of lithium-ion batteries is improved by advanced electrolyte engineering. This review covers strategies like localized high-concentration electrolytes (LHCEs) and AI for better performance and stability.
Area of Science:
- Materials Science
- Electrochemistry
- Chemical Engineering
Background:
- Fast charging is critical for lithium-ion battery adoption.
- Sluggish kinetics, lithium plating, and electrolyte instability hinder fast charging.
Purpose of the Study:
- To review advancements in fast-charging electrolytes over the last decade.
- To outline a design framework for electrolyte engineering.
- To discuss challenges and future perspectives for practical applications.
Main Methods:
- Deconstruction of electrolyte formulations into solvents, salts, and additives.
- Analysis of strategies for tuning solvation structure and interphase chemistry.
- Review of advanced characterization techniques and AI-enabled discovery.
Main Results:
- Electrolyte engineering strategies effectively suppress lithium plating and enhance interfacial kinetics.
- Localized high-concentration electrolytes (LHCEs) show promise for compatibility with various anode chemistries.
- AI and advanced characterization accelerate electrolyte development.
Conclusions:
- Electrolyte innovation is key to overcoming fast-charging limitations in lithium-ion batteries.
- Translating research to applications requires focus on cell format, operating conditions, and manufacturability.
- Future research should integrate electrolyte design with battery management systems.