钛双极片上网印导电聚合物——碳纳米管复合物及其在水型不对称超级电容器中的电化学性能

doi:10.61558/2993-074X.2623

电化学（中英文） ›› 2012, Vol. 18 ›› Issue (6): 548-565. doi: 10.61558/2993-074X.2623

钛双极片上网印导电聚合物——碳纳米管复合物及其在水型不对称超级电容器中的电化学性能

周晓航，陈政^*

诺丁汉大学工程学部化学工程和环境工程系及能源与可持续性研究所，英国诺丁汉 NG7 2RD

收稿日期:2012-05-15 修回日期:2012-08-31 出版日期:2012-12-28 发布日期:2012-12-28
通讯作者: 陈政 E-mail:george.chen@nottingham.ac.uk
基金资助:
The authors thank E.ON AG for funding through the E.ON International Research Initiative-Energy Storage 2007.

Electrochemical Performance of Screen-Printed Composite Coatings of Conducting Polymers and Carbon Nanotubes on Titanium Bipolar Plates in Aqueous Asymmetrical Supercapacitors

Xiaohang Zhou, George Z. Chen^*

Department of Chemical and Environmental Engineering, and Energy and Sustainability Research Division, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK

Received:2012-05-15 Revised:2012-08-31 Published:2012-12-28 Online:2012-12-28
Contact: George Z. Chen E-mail:george.chen@nottingham.ac.uk
Supported by:
The authors thank E.ON AG for funding through the E.ON International Research Initiative-Energy Storage 2007.

摘要/Abstract

摘要： 用导电聚合物（聚吡硌、聚苯胺）与碳纳米管（经酸处理）复合物（ECP-CNT）以及功能添加剂（表面活性剂：苄索氯铵 benzethonium chloride，粘结剂：聚乙烯醇 polyvinyl alcohol）配成水型印泥（aqueous ink)，在钛片（厚度：0.1 mm）上网印（screen printing）成所需载量及面积（例如：75 mg cm^-2，100 cm²）的均匀的ECP-CNT膜. 以该膜为正极，网印活性炭（pigment black）膜为负极，3.0 mol L^-1 KCl 或 1.0 mol L^-1 HCl 为电解质，组装不对称超级电容器. 用循环伏安、恒电流充放电、电化学阻抗、光及电显微等方法研究了ECP-CNT复合物、网印膜、单池以及由双极片（bipolar plate）连接的多池堆（multi-cell stack）. 以两片印刷面积为100 cm² 的钛双极片组装成三池堆，得到较好的技术指标：堆电压3.0 V，电极电容1.29~1.83 F cm^-2，比能量2.30~3.24 Wh kg^-1，最大比功率1.04 kW kg^-1.

关键词: 网印法, 超级电容器, 导电聚合物, 碳纳米管, 双极片

Abstract: Composites of conducting polymers (polypyrrole and polyaniline) with acid treated multi-walled carbon nanotubes were formulated into printable aqueous inks, with the aid of functional additives (benzethonium chloride as a surfactant with or without polyvinyl alcohol as a binder). The inks were screen-printed as fairly uniform coatings of various mass loading densities and areas (up to 75 mg cm^-2 and 100 cm²) on thin titanium plates (0.1 mm in thickness). These screen-printed plates were used to fabricate both unit cell and multi-cell stack of asymmetrical supercapacitors with screen-printed negative electrodes of activated carbon (pigment black) in aqueous electrolytes (3.0 mol L^-1 KCl or 1.0 mol L^-1 HCl). In particular, a three-cell stack with two bipolar Ti plates of 100 cm² in screen-printed area was constructed, demonstrating promising technical specifications: 3.0 V in stack voltage, 1.29~1.83 F cm^-2 in electrode capacitance, 2.30~3.24 Wh kg^-1 in specific energy, and 1.04 kW kg^-1 in maximum specific power. Cyclic voltammetry, galvanostatic charging and discharging, and electrochemical impedance spectrometry were applied to study the composites, screen-printed coatings and individual and bipolarly stacked cells, assisted by optical and electron microscopy.

Key words: Screen-printing, supercapacitors, conducting polymers, carbon nanotubes, bipolar plates

中图分类号:

O646
TM53

周晓航, 陈政. 钛双极片上网印导电聚合物——碳纳米管复合物及其在水型不对称超级电容器中的电化学性能[J]. 电化学（中英文）, 2012, 18(6): 548-565.

Xiaohang Zhou, George Z. Chen. Electrochemical Performance of Screen-Printed Composite Coatings of Conducting Polymers and Carbon Nanotubes on Titanium Bipolar Plates in Aqueous Asymmetrical Supercapacitors[J]. Journal of Electrochemistry, 2012, 18(6): 548-565.

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https://electrochem.xmu.edu.cn/CN/Y2012/V18/I6/548

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钛双极片上网印导电聚合物——碳纳米管复合物及其在水型不对称超级电容器中的电化学性能

Electrochemical Performance of Screen-Printed Composite Coatings of Conducting Polymers and Carbon Nanotubes on Titanium Bipolar Plates in Aqueous Asymmetrical Supercapacitors

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