超级电容器
材料科学
纳米复合材料
介电谱
循环伏安法
电极
化学工程
电化学
电容
导电聚合物
聚苯胺
苯胺
聚合物
纳米技术
复合材料
化学
聚合
有机化学
物理化学
工程类
作者
K. Vengadesan,Suba Lakshmi Madaswamy,Soo Chool Lee,Masoom Raza Siddiqui,Ragupathy Dhanusuraman,Vinoth Kumar Ponnusamy
标识
DOI:10.1016/j.ijhydene.2022.11.166
摘要
In this study, a facile one-step homogeneous electrochemical deposition method was utilized to fabricate poly(aniline-2,5-dimethoxyaniline)co-polymer (PANI-PDMA) nanocomposite coated on the surface of graphite sheet (GS) electrode for an effective high-performance supercapacitor application. Physio-chemical characterizations were examined using FT-IR, XRD, and energy-dispersive X-ray spectroscopy (EDX) techniques. The morphological view of as-synthesized copolymer nanocomposite was characterized using the FE-SEM technique. Electrochemical investigation of the as-fabricated modified electrode (GS/PANI-PDMA) was studied using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and galvanostatic charging and discharging (GCD) studies. Based on electrochemical studies, GS/PANI-PDMA modified co-polymer electrode shows a high specific capacitance of 595 F/g compared to [email protected] and [email protected] After 1000 cycles, it indicates 67% capacitance retention, which is indicated to be a potential alternative material for supercapacitor application.
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