The crystal structure and electrochemical performance of the material were studied by XRD, cyclic voltammetry, electrochemical impedance spectroscopy (EIS) and galvanostatic charge-discharge tests.

用XRD、循环伏安、电化学阻抗谱(EIS)、恒流充放电测试研究了材料的晶体结构和电化学性能。

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Capacitive performance of various supercapacitors is tested by galvanostatic charge and discharge. And capacitive decay rate, cyclical stability and cycle life are also investigated.

通过恒流充放电法测试不同电容器的电容性能，并考察了超级电容器的电容衰减率、循环稳定性和循环寿命。

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The phase structure, morphology and electrochemical performance were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM) and galvanostatic charge-discharge cycling technique.

利用X射线衍射（XRD）、扫描电镜（SEM）和恒电流充放电测试技术测试了制备样品的相结构、微观形貌和电化学性能。

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