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Title: A study of the electrochemical performance of strip supercapacitors under static and dynamic mechanical tests
Authors: Zhang, R
Xu, Y
Harrison, D
Fyson, J
Keywords: Flexible supercapacitors;Static and dynamic mechanical test;Mechanical pressure;Electrochemical performance
Issue Date: 2016
Citation: International Journal of Electrochemical Science, 2017, 12 (2), pp. 1463 - 1473
Abstract: Flexible and stretchable supercapacitors have a big potential of being used in portable and wearable electronics because of their high power density, high reversibility, fast charge/discharge rates and long life cycles. In this study, strip supercapacitors were fabricated by a blade coating process using low-cost materials. The electrochemical performance of the strip supercapacitors was studied under both static and dynamic tensile stress conditions in order to evaluate their suitability for use in wearable textiles. The results showed strip supercapacitors under static and dynamic mechanical tensile process worked well: the capacitance and specific capacitance for this strip supercapacitor sample with the static loading of 100 N or 200 N was bigger than that of this sample without loading, with an increase of 22% and 9%, respectively. The mechanical compression was applied vertically from the top of the strip supercapacitor sample to further investigate the reason for the capacitance increase under loading conditions.
ISSN: 1452-3981
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