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Title: A study of the electrochemical performance of strip supercapacitors under bending conditions
Authors: Zhang, Ruirong
Xu, Yanmend
Harrison, David J.
Fyson, John
Southee, Darren J.
Keywords: Flexible
Strip supercapacitors
Bending conditions
Issue Date: 2016
Publisher: © 2016 The Authors. Published by ESG
Citation: ZHANG, R. ... et al., 2016. A study of the electrochemical performance of strip supercapacitors under bending conditions. International Journal of Electrochemical Science, 11 (1) pp. 7922-7933.
Abstract: In recent years, much effort has been spent developing thin, lightweight and flexible energy storage devices to meet the various requirements of modern smart electronics. In this work, thin strip supercapacitors were successfully developed using activated carbon as the active electrode material. The electrochemical performance of these strip supercapacitors has been studied under mechanical bending conditions. The results indicate that the strip supercapacitor was functional under bending conditions between the bending angles of 30° to 150°. The capacitance of the sample was still about 70% of the original capacitance at different bending angles. This suggests the strip supercapacitor developed has a reasonable flexibility. Simulation model of equivalent circuit was established to analyze the charge transfer resistance (CTR) and equivalent series resistance (ESR) results in electrochemical impedance spectroscopy (EIS) testing. The correlation between the capacitance and the resistance of the strip supercapacitor under bending conditions was investigated and obtained.
Sponsor: This work was supported by the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 281063.
Version: Published
DOI: 10.20964/2016.09.59
URI: https://dspace.lboro.ac.uk/2134/22759
Publisher Link: http://dx.doi.org/10.20964/2016.09.59
Appears in Collections:Published Articles (Design School)

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