Journal
RSC ADVANCES
Volume 2, Issue 21, Pages 8110-8115Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra20825c
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Funding
- Open Project of Key Laboratory of Advanced Energy Materials Chemistry (Nankai University) [KLAEMC-OP201201]
- Science and Research Program of Hebei Province [11213939, 11276744]
- Doctor Foundation of Hebei United University [35393901, 35393801]
- Student Innovational Plans of Hebei United University [X2011086]
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In this paper, we report on the shape-controlled synthesis of monoclinic (m-) ZnV2O6 micro/nanostructures through a simple hydrothermal approach and their highly reversible lithium storage for anode materials in lithium-ion batteries. m-ZnV2O6 structures with different diameters were selectively explored by changing the critical experimental parameters of dwell time and reaction temperatures. A novel dissolution recrystalizaion-Ostwald ripening-splitting combination mechanism for uniform nanowires is proposed by further monitoring the time-dependent evolution of morphologies and phases. Furthermore, these m-ZnV2O6 nanowires with high aspect ratio exhibit a better reversible capacity and a much excellent cyclic retention than that of as-obtained mesostructures and bulk counterparts because of better contact behavior and a shorter diffusion length for Li+, implying a promising candidate for the application in high-energy batteries.
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