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首页> 外文期刊>Journal of Applied Polymer Science >Microcomposite electrochemical capacitor: Electrocoating of poly[N-(hydroxymethyl)carbazole] onto carbon fiber, surface morphology, spectroscopic surface characterization, electrochemical impedance spectroscopy
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Microcomposite electrochemical capacitor: Electrocoating of poly[N-(hydroxymethyl)carbazole] onto carbon fiber, surface morphology, spectroscopic surface characterization, electrochemical impedance spectroscopy

机译：微复合电化学电容器：在碳纤维上电沉积聚[N-（羟甲基）咔唑]，表面形貌，光谱表面表征，电化学阻抗谱

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N-(Hydroxymethyl)carbazole (MeOHCz) was electrocoated on carbon fiber micro electrodes (diameter similar to 7 mu m) in different solvents by cyclovoltammetric method as thin film (0.17-2.73 mu m). Surface characterization of electrocoated poly[N-(hydroxymethyl)carbazole] of carbon fiber microelectrode (CFME) was performed by reflectance FTIR spectroscopy, scanning electron microscopy, and cyclic voltammetry. Capacitor behavior of modified CFME was studied by electrochemical impedance spectrometry. The deposition rate of polymer growth affected the redox parameters of resulting coated CFME. The solvent effect on the redox and capacitor behavior of poly[N-(hydroxymethyl)carbazole] (PMeOHCz)-coated CFME was investigated, and electroactivity in acetonitrile (ACN) was the highest among the investigated solvents. On the other hand, the electrocoated polymer exhibited the faster charge/discharge process in propylene carbonate (PC). PMeOHCz thin film was very stable up to 1000 mV/s in ACN, PC, and dichloromethane (CH2Cl2). (c) 2007 Wiley Periodicals, Inc.
机译：将N-（羟甲基）咔唑（MeOH）于不同溶剂中通过环伏安法电沉积在碳纤维微电极（直径约7μm）上作为薄膜（0.17-2.73μm）。碳纤维微电极（CFME）的电涂层聚[N-（羟甲基）咔唑]的表面表征通过反射FTIR光谱，扫描电子显微镜和循环伏安法进行。通过电化学阻抗谱研究了改性CFME的电容器行为。聚合物生长的沉积速率影响所得涂覆的CFME的氧化还原参数。研究了溶剂对聚[N-（羟甲基）咔唑]（PMeOHCz）涂层CFME氧化还原和电容器性能的影响，在乙腈（ACN）中的电活性最高。另一方面，电涂覆的聚合物在碳酸亚丙酯（PC）中表现出更快的充电/放电过程。 PMeOHCz薄膜在ACN，PC和二氯甲烷（CH2Cl2）中高达1000 mV / s时非常稳定。 （c）2007年Wiley Periodicals，Inc.

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