Journal
ELECTROCHIMICA ACTA
Volume 113, Issue -, Pages 17-22Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.09.024
Keywords
Polypyrrole; E-textile; Electrodeposition; Supercapacitors; Stretchable electrode
Categories
Funding
- Australian Research Council (ARC) under the ARC Centre of Excellence for Electromaterials Science
- CSC Scholarship from the Ministry of Education of PR China
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Wearable electronics offer the combined advantages of both electronics and fabrics. Being an indispensable part of these electronics, lightweight, stretchable and wearable power sources are strongly demanded. Here we describe a daily-used cotton fabric coated with polypyrrole as electrode for stretchable supercapacitors. Polypyrrole was synthesized on the Au coated fabric via an electrochemical polymerization process with p-toluenesulfonic acid (p-TS) as dopant from acetonitrile solution. This material was characterized with FESEM, tensile stress, and studied as a supercapacitor electrode in 1.0 M NaCl. This conductive textile electrode can sustain up to 140% strain without electric failure. It delivers a high specific capacitance of 254.9 Fg(-1) at a scan rate of 10 mV s(-1), and keeps almost unchanged at an applied strain (i.e. 30% and 50%) but with an improved cycling stability. (C) 2013 Elsevier Ltd. All rights reserved.
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