Metal Coated Fabric Based Asymmetric Supercapacitor for Wearable Applications

被引：17
作者：
Pullanchiyodan, Abhilash [1 ]
Manjakkal, Libu [1 ]
Dahiya, Ravinder [1 ]
机构：
[1] Univ Glasgow, Bendable Elect & Sensing Technol BEST Grp, Glasgow G12 8QQ, Lanark, Scotland
来源：
IEEE SENSORS JOURNAL | 2021年 / 21卷 / 23期
基金：
英国工程与自然科学研究理事会; 欧盟地平线“2020”;
关键词：
Asymmetric supercapcitors; conductive fabrics; energy storage; metal oxides; wearables; PERFORMANCE; FOAM; YARN;
D O I：
10.1109/JSEN.2021.3058894
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a fabric based asymmetric supercapacitor (ASC) with metal coated cloths as the electrode and the current collector. Graphite paste printed on silver coated textile (Berlin) is used as the negativeelectrodeand nickel/copper/silver plated fabric (Nora Dell) as the positive electrode. Biocompatible polyvinyl alcohol (PVA)-potassium chloride (KCl) gel is used as the electrolyte for ASC fabrication. During the electrochemical process, the metal oxides formed on the Nora Dell fabric contributes to the pseudocapacitance, whereas the graphite electrode forms the electric double layer capacitance. Compared to the Berlin/graphite based symmetric SC, the fabricated ASC shows enhanced performance with an areal capacitance and energy density of 32 mF.cm(-2) and 2.8 mu Wh.cm(-2) respectively at a scan rate of 25mV.s(-1). The cyclic stability and self-charging capability of the device with flexible solar cells are also demonstrated as a proof of concept for use in practical applications. The presented energy storage device has potential to be used as a safe and sustainable alternative needed to meet the rapid growth in the field of wearable electronics.
引用
收藏
页码：26208 / 26214
页数：7
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