Nano Lett., 2012, 12 (7), pp 3783–3787

Sodium Ion Insertion in Hollow Carbon Nanowires for Battery Applications Yuliang Cao*†‡, Lifen Xiao†§, Maria L. Sushko†, Wei Wang†, Birgit Schwenzer†, Jie Xiao†, Zimin Nie†, Laxmikant V. Saraf†, Zhengguo Yang†, and Jun Liu*† † Pacific Northwest National Laboratory, 902 Battelle Boulevard P.O. Box 999, Richland, Washington 99352, United States ‡ Hubei Key Laboratory of Electrochemical Power Sources, College of Chemistry and Molecular Science, Wuhan University, Wuhan, 430072, P. R. China § College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China