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Engineering of Siloxanes for Stabilizing Silicon Anode Materials
Yanpeng Wang1, Abdulmajid Attam1, Hongguang Fan1
1School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, China.
Small (Weinheim an Der Bergstrasse, Germany)
|August 26, 2023
Summary
Siloxane materials offer a promising solution to silicon anode instability in lithium-ion batteries (LIBs). These organosilicon compounds enhance electrode structure and electrochemical performance, overcoming key limitations for next-generation energy storage.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Silicon (Si) is a leading candidate for next-generation lithium-ion battery (LIB) anodes due to its high capacity and abundance.
- Significant challenges remain, primarily the structural degradation and capacity loss caused by silicon's substantial volume expansion during cycling.
Purpose of the Study:
- To systematically review and summarize the advancements and applications of siloxane-based organosilicon materials in silicon anodes for LIBs.
- To highlight the unique advantages of siloxanes in improving electrode design, surface modification, binder properties, and electrolyte compatibility.
Main Methods:
- Comprehensive literature review of siloxane applications in silicon anodes.
- Analysis of siloxane material properties and their impact on electrochemical performance.
- Identification of challenges and future research directions.
Main Results:
- Siloxane materials demonstrate significant potential in addressing silicon anode instability.
- Their unique properties enable effective electrode structure stabilization, surface/interface modification, and improved binder/electrolyte interactions.
- These advancements contribute to enhanced electrochemical performance and reduced capacity fade in silicon-based LIBs.
Conclusions:
- Siloxane-based organosilicon materials are crucial for unlocking the full potential of silicon anodes in LIBs.
- Further research into siloxanes is essential for overcoming current limitations and driving the commercialization of high-performance silicon anodes.
- Strategic application of siloxanes across electrode components is key to achieving superior battery performance.
