Reticular Sn nanoparticle-dispersed PAN-based carbon nanofibers for anode material in rechargeable lithium-ion batteries

• Published in: Electrochemistry communications 2010-09, Vol.12 (9), p.1187-1190
• Main Authors: Yu, Yunhua, Yang, Qing, Teng, Donghua, Yang, Xiaoping, Ryu, Seungkon
• Format: Article
• Language: English
• Subjects: Anode; Applied sciences; Carbonization; Direct energy conversion and energy accumulation; Electrical engineering. Electrical power engineering; Electrical power engineering; Electrochemical conversion: primary and secondary batteries, fuel cells; Electrospinning; Exact sciences and technology; Lithium-ion batteries; Sn/C nanofibers
• ISSN: 1388-2481; 1873-1902
• DOI: 10.1016/j.elecom.2010.06.015

Reticular tin nanoparticle-dispersed carbon (Sn/C) nanofibers were fabricated by stabilization of electrospun SnCl 4/PAN composite fibers and subsequent carbonization at different temperatures. These Sn/C composite nanofibers used as anode materials for rechargeable lithium-ion batteries (LIBs) show that the Sn/C nanofibers at 700 and 850 °C present much higher charge (785.8 and 811 mA h g − 1) and discharge (1211.7 and 993 mA h g − 1) capacities than those at 550 and 1000 °C and the as-received CNFs at 850 °C, corresponding to coulombic efficiencies of 64.9% and 81.7%, respectively. The superior electrochemical properties of the intriguing Sn/C nanofibers indicate a promising application in high performance Li-ion batteries.