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Electrochemical Performance of Zn-Al Double Layered Hydroxide for Supercapacitor Application

机译:Zn-Al双层氢氧化物用于超级电容器应用的电化学性能

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Zn-Al double layered hydroxide (Zn-Al-LDH) was synthesized by a facile coprecipitation method. The morphology and microstructure of samples were characterized by X-ray diffraction (XRD) and Scanning electron microscope (SEM), respectively. The results show that the sample is uniform nanosheet with the diameter of -400 nm and the thickness of ~80 nm. XRD characterization confirms that it is Zn6A_(12)(OH)_(16)Co3.4H2o and belongs to Rhombohedral crystallographic system. Electrochemical performances of the sample were investigated by cyclic voltammery (CV) and charge/discharge. The Pure Zn-Al-LDH nanocomposites achieves a specific capacitance of 37.0 F g~(-1) at the current density of 1.0 A/g.
机译:通过容易共沉淀法合成Zn-Al双层氢氧化物(Zn-Al-LDH)。 通过X射线衍射(XRD)和扫描电子显微镜(SEM)分别表征样品的形态和微观结构。 结果表明,样品是均匀的纳米片,直径为-400nm,厚度为约80nm。 XRD表征证实它是Zn6A_(12)(OH)_(OH)_(16)CO3.4H2O,属于菱形晶体系统。 通过循环伏粘扰(CV)来研究样品的电化学性能和充电/放电。 纯Zn-Al-LDH纳米复合材料以1.0A / g的电流密度,达到37.0f g〜(-1)的特定电容。

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