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Advanced Composite Lithium Metal Anodes with 3D Frameworks: Preloading Strategies, Interfacial Optimization, and
Jiaqi Cao1, Guoyu Qian1, Xueyi Lu1
1School of Materials, Sun Yat-sen University, Shenzhen, 518107, P. R. China.
Small (Weinheim an Der Bergstrasse, Germany)
|December 14, 2022
Summary
This review explores 3D framework fabrication for lithium metal anodes, crucial for next-generation batteries. These structures improve lithium metal anode performance by addressing issues like dendrite formation and volume changes.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium (Li) metal offers high capacity and low potential, making it ideal for advanced batteries.
- Challenges include dendritic growth, unstable interfaces, and volume changes, hindering practical application.
- 3D frameworks provide a promising solution by offering high surface area and space for lithium deposition.
Purpose of the Study:
- To review fabrication methods for 3D framework-based composite lithium metal anodes.
- To analyze the mechanisms, design criteria, and interfacial optimization of these composite anodes.
- To provide insights for developing high-performance lithium metal batteries.
Main Methods:
- Overview of electrodeposition techniques for creating 3D frameworks.
- Discussion of molten lithium infusion for composite anode fabrication.
- Exploration of pressure-derived fabrication methods.
Main Results:
- Fabrication methods like electrodeposition, molten Li infusion, and pressure-derived techniques are detailed.
- Focus on achieving homogeneous integration of lithium with 3D frameworks.
- Interfacial optimization strategies are discussed for enhanced electrochemical performance.
Conclusions:
- 3D frameworks are essential for overcoming lithium metal anode limitations.
- Homogeneous lithium integration is key to electrochemical performance.
- This review offers perspectives for future high-energy-density lithium metal batteries.
