Fluoride-Free MXene-Polymer Composites for Li-Metal and Li-S Batteries: Comparative Synthesis Methods, Integration
1Department of Physics and Semiconductor Science, Gachon University, Seongnam-si 13120, Republic of Korea.
Polymers
|December 11, 2025
Summary
Fluoride-free MXene-polymer hybrids offer a greener path for advanced batteries. This review details synthesis, fabrication, and applications, guiding the development of safer, high-performance energy storage solutions.
Area of Science:
- Materials Science
- Electrochemistry
- Polymer Science
Background:
- MXene-polymer hybrids leverage MXenes' conductivity and polymers' tunability for energy storage.
- Current methods often use hazardous HF-etched MXenes, causing safety and waste concerns.
- Developing fluoride-free routes is crucial for sustainable battery technology.
Purpose of the Study:
- To review and benchmark fluoride-free MXene synthesis routes against traditional HF methods.
- To establish practical guidelines for selecting polymer backbones based on synthesis and termination.
- To explore the evolution of MXene-polymer architectures and their applications in batteries.
Main Methods:
- Comprehensive literature review of fluoride-free MXene synthesis and polymer integration.
- Analysis of structure-property relationships in various MXene-polymer systems.
- Benchmarking against HF-etched MXene systems.
Main Results:
- Fluoride-free routes offer controlled surfaces and improved safety compared to HF methods.
- Diverse polymer matrices (nitrile, carbonyl, biopolymers, COFs) are tailored with MXene terminations.
- Five scalable fabrication modes are linked to specific battery component roles (electrolytes, interphases, coatings).
Conclusions:
- Fluoride-free MXene-polymer hybrids are promising for green and scalable battery manufacturing.
- Tailoring chemistry-backbone pairings is key to optimizing ion transport and interfacial stability.
- Further research and standardized reporting are needed to de-risk large-scale production.
