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WS2/Graphene Composite as Cathode for Rechargeable Aluminum-Dual Ion Battery
Journal of The Electrochemical Society ( IF 3.9 ) Pub Date : 2019-11-18 , DOI: 10.1149/2.0012007jes
M. Latha 1, 2 , J. Vatsala Rani 1, 2
Affiliation  

Tungsten disulfide/graphene nano-sheets (WS2/G) composite is prepared by the ultra-sonication process and applied as a cathode for rechargeable Aluminum-dual ion battery (ADIBs). X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), Fourier transform-infra red spectroscopy (FT-IR) and Raman spectroscopy are used to examine the morphology and architecture of the composite. WS2/G composite displays good electrochemical performance with remarkable specific capacity (152 mA h/g) and good cyclic stability (150 cycles). The aluminum-dual ion intercalation mechanism in the composite is analyzed by XRD, Raman and XPS analysis. WS2/G composite exhibits better electrochemical results than neat WS2, owing to the synergistic effect between highly conductive graphene and WS2.

中文翻译:

WS2 /石墨烯复合材料作为可充电铝双离子电池的阴极

通过超声处理制备二硫化钨/石墨烯纳米片(WS 2 / G)复合材料,并用作可充电铝双离子电池(ADIB)的阴极。使用X射线衍射(XRD),场发射扫描电子显微镜(FESEM),X射线光电子能谱(XPS),傅里叶变换红外光谱(FT-IR)和拉曼光谱来检查电子束的形态和结构合成的。WS 2 / G复合材料显示出良好的电化学性能,具有显着的比容量(152 mA h / g)和良好的循环稳定性(150个循环)。通过XRD,拉曼和XPS分析对复合材料中铝双离子的嵌入机理进行了分析。WS 2 / G复合材料比纯WS具有更好的电化学结果如图2所示,由于高导电石墨烯和WS 2之间的协同作用。
更新日期:2019-11-18
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