Electrospun nano-vanadium pentoxide cathode

被引:104
作者
Ban, Chunmei [1 ]
Chernova, Natalya A. [1 ]
Whittingham, M. Stanley [1 ]
机构
[1] SUNY Binghamton, Binghamton, NY 13902 USA
基金
美国国家科学基金会;
关键词
Vanadium oxide; Hydrothermal; Electrospinning; Lithium batteries; HYDROTHERMAL SYNTHESIS; LAYERED STRUCTURES; ELECTROCHEMICAL PROPERTIES; OXIDES; ANODES; LIBOB;
D O I
10.1016/j.elecom.2008.11.051
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Nanocrystallites of vanadium pentoxide were synthesized by the hydrothermal treatment of electrospun composite nanofibers. Each crystallite of dimension <= 100 nm was found to be a single crystal of delta-phase HxV4O10 center dot nH(2)O. The crystallinity and morphology was maintained on heating to 500 degrees C when V2O5 was formed. The electrochemical capacity of the nano-V2O5 in a lithium cell was found to be above 350 mAh/g. The columbic efficiency is close to 100% when small amounts of lithium bis(oxalato)borate is added to the LiPF6 electrolyte. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:522 / 525
页数:4
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