氮化钒/石墨烯纳米复合材料的制备及其电化学性能研究
Synthesis of vanadium nitride/graphene nanocomposite and their electrochemical performance for lithium ion batteries
采用简单的气液界面法结合氨气气氛下氮化处理，得到氮化钒/石墨烯(VN/G)纳米复合材料。通过 X 射线衍射分析，扫描电子显微镜对材料的晶体结构和微观形貌进行了分析，将VN/石墨烯纳米复合材料作为负极材料应用于锂离子电池中,通过恒电流充放电技术测试其电化学性能。该材料表现出良好的倍率性能。在0.01-3.0 V电压范围，电流密度为1000 mA g-1、2000 mA g-1、3000 mA g-1时，可逆比容量为188.7 mAh g-1、161.9 mAh g-1和148.7 mAh g-1。
VN/graphene nanocomposite was prepared by a facile gas/liquid interface reaction with thermal reduction. The microstructure and morphology of the materials were investigated by XRD and SEM. The electrochemical performances the material were investigated by galvanostatic current charge-discharge. When used as an anode material for lithium ion batteries, VN/graphene nanocomposite exhibits excellent rate capability. In the voltage range of 0.01-3 V, the reversible specific capacities are 188.7 mAh g-1、161.9 mAh g-1 and 148.7 mAh g-1 at the current densities of 1000 mA g-1、2000 mA g-1、3000 mA g-1, respectively.
栗志同、王素清
电化学工业
锂离子电池负极材料氮化钒石墨烯
lithium-ion batteryanode materialVNgraphene
栗志同,王素清.氮化钒/石墨烯纳米复合材料的制备及其电化学性能研究[EB/OL].(2015-05-13)[2025-08-17].http://www.paper.edu.cn/releasepaper/content/201505-163.点此复制
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