Nano/micro-structured silicon@carbon composite with buffer void as anode material for lithium ion battery. Issue 1 (January 2016)

• Record Type: Journal Article
• Authors: Feng, Xuejiao; Cui, Hongmin; Miao, Rongrong; Yan, Nanfu; Ding, Tengda; Xiao, Zhengqiang
• Is Part Of: Ceramics international. Volume 42:Issue 1:Part A(2016)
• Page Start: 589
• Page End: 597
• Publication Date: 2016-01
• Subjects: Silicon -- Void spaces -- Electrochemistry -- Spray drying -- Lithium ion battery; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2015.08.152
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: A novel nano/micro-structured pSi@C composite with buffer void was successfully synthesized via a simple and scalable process with combination of the calcination, spray drying, carbonization and HF etching. The obtained pSi@C composite with this particular structure exhibits high reversible capacity of ca. 2200 mA h g −1 and excellent cycling stability with 90.3% capacity retention after 300 cycles, which benefits from its void spaces between silicon and carbon layer and highly conductive carbon-layer. The simple and scalable synthesis technique and good electrochemical performance of this nano/micro-structured pSi@C composite make it a promising candidate for large capacity lithium ion battery anode material.