▌Carbides and Nitrides: Advanced materials for engineering the electrochemistry of silicon anodes for high energy density Lithium-Ion battery
碳化物與氮化物:用於工程化矽陽極之電化學的先進材料,以實現高能量密度鋰離子電池
A. Ramar, K. Sanjana, F.M. Wang*
Chemical Engineering Journal; 2024
https://doi.org/10.1016/j.cej.2024.151921
SEED Member: F.M. Wang

Major Contributions
1. First comprehensive review focusing specifically on how carbides and nitrides modify silicon anode electrochemistry, distinguishing it from previous silicon anode reviews by examining the unique conversion mechanisms and buffer matrix effects.
2. Detailed analysis of silicon carbide's (SiC) dual role as both an active matrix for accommodating silicon expansion and a conversion-type material that forms Li4C during lithiation, providing new insights into improving silicon anode stability.
3. Systematic examination of various SiC-based composite structures (including 2D materials, nanotubes, and aerogels) and their impact on electrochemical performance, offering new directions for silicon anode development in lithium-ion batteries.
主要貢獻
1. 首次全面性地專門回顧碳化物和氮化物如何改變矽基負極電化學特性,有別於過往矽基負極的回顧文獻,特別著重於探討其獨特的轉化機制和緩衝基質效應。
2. 詳細分析碳化矽(SiC)的雙重角色,既作為容納矽膨脹的活性基質,又作為在鋰化過程中形成Li4C的轉化型材料,為提高矽基負極穩定性提供新見解。
3. 系統性地研究各種碳化矽基複合結構(包括二維材料、奈米管和氣凝膠)及其對電化學性能的影響,為鋰離子電池矽基負極的發展提供新方向。