Ultralong monoclinic ZnV2O6 nanowires: their shape-controlled synthesis, new growth mechanism, and highly reversible lithium storage in lithium-ion batteries
作者： Yan Sun , Chunsheng Li , Lina Wang , Yaozu Wang , Xuegang Ma
DOI: 10.1039/C2RA20825C
关键词:
摘要: 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 critical experimental parameters dwell time reaction temperatures. A novel “dissolution recrystalizaion–Ostwald ripening–splitting” combination mechanism uniform nanowires is proposed further monitoring time-dependent evolution morphologies phases. Furthermore, these high aspect ratio exhibit better capacity much excellent cyclic retention than that as-obtained mesostructures bulk counterparts because contact behavior shorter diffusion length Li+, implying promising candidate application high-energy
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