Issue 19, 2016

Flexible-wire shaped all-solid-state supercapacitors based on facile electropolymerization of polythiophene with ultra-high energy density

Abstract

The new generation of miniaturized energy storage devices offers high energy and power densities and is compatible with flexible, portable, or wearable textile electronics which are currently in great demand. Here, we demonstrate the successful development of flexible, wire shaped (f-WS) all-solid-state symmetric supercapacitors (SCs) based on a facile electropolymerization of polythiophene (e-PTh) on titania (Ti) wire. The f-WS all-solid-state symmetric SCs, exhibiting high electrochemical performance, are fabricated by slightly intertwining two similar e-PTh electrodes to form both the cathode and anode which are then individually coated with a thin layer of H2SO4–PVA gel, acting both as electrolyte and as separator. The optimized devices (∼1.5 cm long), based on e-PTh/Ti wire show a high capacitive performance (1357.31 mF g−1 or 71.84 mF cm−2) and an extremely high energy density (23.11 μW h cm−2) at a power density of 90.44 μW cm−2 using an operational potential window of 1.8 V, which is beneficial for applications requiring high energy and power. The robust f-WS all-solid-state symmetric SCs also exhibit excellent mechanical flexibility with minimal change in capacitance upon bending at 360°. Furthermore, the SCs were implemented in the textile of a wearable/portable electronic device using a conventional weaving method, thus demonstrating a high potential for next-generation wearable textile electronic applications.

Graphical abstract: Flexible-wire shaped all-solid-state supercapacitors based on facile electropolymerization of polythiophene with ultra-high energy density

Supplementary files

Article information

Article type
Paper
Submitted
25 Jan 2016
Accepted
30 Mar 2016
First published
30 Mar 2016

J. Mater. Chem. A, 2016,4, 7406-7415

Author version available

Flexible-wire shaped all-solid-state supercapacitors based on facile electropolymerization of polythiophene with ultra-high energy density

R. B. Ambade, S. B. Ambade, R. R. Salunkhe, V. Malgras, S. Jin, Y. Yamauchi and S. Lee, J. Mater. Chem. A, 2016, 4, 7406 DOI: 10.1039/C6TA00683C

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements