Investigation of polyaniline electrodeposition on hydrophilic/hydrophobic carbon cloth substrates for symmetric coin cell supercapacitors

IF 2.6 4区 化学 Q3 ELECTROCHEMISTRY
A. H. Shabi, Abdulmajid A. Mirghni, Syed Shaheen Shah, Mostafa M. Mohamed, Abubakar Dahiru Shuaibu, Arshad Hussain, Saheed Adewale Ganiyu, Md. Abdul Aziz
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Abstract

This research innovatively produced polyaniline-coated carbon cloth (PANI@CC) using an electrochemical deposition process, highlighting the impact of carbon cloth substrate characteristics on the performance of symmetric supercapacitors in a coin cell setup. The study compared the electrochemical performance of hydrophilic and hydrophobic, soft, and hard carbon cloth substrates through cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy. The PANI@0-N (hydrophilic soft carbon cloth) substrate showcased superior electrochemical properties, achieving a maximum specific capacitance of 113.3 F g−1 at a current density of 0.1 A g−1, with a noteworthy rate capability of 88.6%. After 2000 galvanostatic charge–discharge cycles at 1 A g−1, the developed symmetric coin cell supercapacitor retained 74% of its initial capacitance, demonstrating notable durability and efficiency. This underscores the significance of substrate selection in the direct synthesis approach for optimizing supercapacitor performance, making the PANI@0-N-based coin cell a promising option for supercapacitor applications.

Graphical Abstract

Abstract Image

研究在亲水/疏水碳布基底上电泳聚苯胺以制造对称钮扣电池超级电容器
这项研究利用电化学沉积工艺创新性地生产出了聚苯胺涂层碳布(PANI@CC),突出强调了碳布基底特性对纽扣电池设置中对称超级电容器性能的影响。研究通过循环伏安法、电静态充放电法和电化学阻抗谱法比较了亲水性和疏水性、软质和硬质碳布基底的电化学性能。PANI@0-N(亲水性软碳布)基底显示出卓越的电化学特性,在电流密度为 0.1 A g-1 时,最大比电容为 113.3 F g-1,速率能力高达 88.6%。在 1 A g-1 电流条件下,经过 2000 次电静态充放电循环后,所开发的对称钮扣电池超级电容器保持了 74% 的初始电容,显示出显著的耐用性和效率。这凸显了直接合成法中基底选择对优化超级电容器性能的重要意义,使基于 PANI@0-N 的纽扣电池成为超级电容器应用中的一个很有前景的选择。
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来源期刊
CiteScore
4.80
自引率
4.00%
发文量
227
审稿时长
4.1 months
期刊介绍: The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry. The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces. The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis. The Journal of Solid State Electrochemistry makes the professional in research and industry aware of this swift progress and its importance for future developments and success in the above-mentioned fields.
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