SnO₂ encapsulated TiO₂ hollow nanofibers as anode material for lithium ion batteries

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• 作者：Hyunjung Park ; Taeseup Song ; Hyungkyu Han ; Anitha Devadoss ; Junhan Yuh ; Changhwan Choi ; Ungyu Paik
• 关键词：Lithium ion batteries ; Anode ; SnO2 ; TiO2
• 刊名：Electrochemistry Communications
• 出版年：2012
• 出版时间：August, 2012
• 年：2012
• 卷：22
• 期：Complete
• 页码：81-84
• 全文大小：873 K

文摘

Nanoparticulate SnO₂ was encapsulated into TiO₂ hollow nanofibers to achieve high energy density and robust electrochemical performance as an anode material for lithium ion batteries. The SnO₂ encapsulated TiO₂ hollow nanofibers exhibit improved electrochemical performances over the TiO₂ hollow nanofibers, including a high discharge capacity of ~ 517 mAh g^? 1 and doubled capacity at a 10 C rate. These improvements on electrochemical performances are attributed to favorable mechanics and kinetics associated with lithium.