退火温度对TiO2(B)纳米片作为锂离子电池负极材料性能影响
Effect of Annealing Temperature on the Performance of TiO2(B) Nanosheet as Anode Material in Lithium Ion Battery
DOI: 10.12677/MS.2019.92016, PDF,    国家自然科学基金支持
作者: 杨志勇, 王 宇, 夏晓红, Kevin Peter Homewood, 高 云：湖北大学，材料科学与工程学院，湖北 武汉
关键词: TiO2(B)；超薄纳米片；水热法；退火温度；负极材料；TiO2(B)； Ultra-Thin Nanosheet； Hydrothermal； Annealing Temperature； Anode Material
摘要: TiO2(B)较锐钛矿、金红石和板钛矿TiO2孔道更加开放，其纳米片结构拥有较大的形变能力和较短的离子扩散路径，成为锂离子电池负极材料的一种新的选择。本文通过水热法制备了一种超薄纳米片TiO2(B)，使用X射线衍射(XRD)和透射电子显微镜(TEM)研究了所制备样品的晶型和形貌。样品经不同温度退火后组装扣式电池，系统比较了退火温度对TiO2(B)纳米片作为锂离子电池负极材料性能的影响。本文提出了一种改善TiO2(B)纳米片作为锂离子电池负极材料电化学性能的方法，选取了较优的退火温度。
Abstract: The monoclinic phase of TiO2(B) has a more open pore structure than that of anatase, rutile and brookite TiO2. The nanosheet structure of TiO2(B) shows a large deformation capacity and a short ion diffusion path for ions transport, so it serves as a new candidate for the anode material in lith-ium ion batteries. In this paper, ultra-thin nanosheet TiO2(B) was prepared by hydrothermal method. The crystal structure and morphology of the samples were investigated by X-ray diffraction (XRD) and transmission electron microscopy (TEM). We annealed the samples at different temperatures and then investigated the effect of annealing temperature on its performance as anode material of lithium ion battery. Annealing as an effective method for improving the capacity performance of TiO2(B) was proposed, and the annealing temperature was optimized.
文章引用：杨志勇, 王宇, 夏晓红, Kevin PeterHomewood, 高云. 退火温度对TiO2(B)纳米片作为锂离子电池负极材料性能影响[J]. 材料科学, 2019, 9(2): 127-135. https://doi.org/10.12677/MS.2019.92016

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