锂离子电池硅基负极材料研究现状与发展趋势  

Research status and development trend on Si-based anode materials of lithium ion batteries

作　　者：张培新[1] 汪静伟[1] 黄亮[1] 张冬云[1,2] 

机构地区：[1]深圳大学化学与化工学院,深圳518060 [2]哈尔滨工业大学深圳研究生院,深圳518055

出　　处：《深圳大学学报（理工版）》2014年第5期441-451,共11页Journal of Shenzhen University(Science and Engineering)

基　　金：国家自然科学基金资助项目(51374146);深圳市基础研究计划资助项目(JCYJ20120613173950029)~~

摘　　要：硅基负极材料因具有高电化学容量是一种极具发展前景的锂离子电池负极材料.评述单质硅、硅-金属合金、硅-碳复合材料以及其他硅基复合材料作为锂离子二次电池负极材料的最新研究成果,分析锂离子电池硅负极材料存在问题,探讨硅基负极材料的合成、制备工艺以及未来硅基材料的研究方向和应用前景.分析结果表明,通过硅的纳米化、无定形化、合金化及复合化等技术手段,实现硅基负极材料同时兼备高容量、长寿命、高库伦效率和倍率性能,是未来的主要发展方向.The silicon-based anode materials are of great importance for lithium ion batteries （ LIBs） because of their high capacity. This paper reviews the latest research achievements of the silicon, silicon-metal alloys, silicon-carbon composites and other composite materials as anodes materials and discusses their research and application prospects. It also analyzes the existing problems of pure silicon anodes and focuses mainly on the novel silicon based anode materials. Regarding future research and application, the predominant direction will be to promote both cycle performance and electrochemical performance through the comprehensive application of nanocrystallization, amor-phization, alloying and compounding of silicon-based materials.

关 键 词：应用化学 锂离子电池 负极材料 硅薄膜 硅基合金 硅基复合材料 

分 类 号：O69[理学—化学]