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A coaxial single fibre supercapacitor for energy storage
journal contributionposted on 23.08.2013, 07:57 by David J. Harrison, Fulian Qiu, John Fyson, Y. Xu, Peter S.A. Evans, Darren SoutheeDarren Southee
An energy storage device – a coaxial single fibre supercapacitor – was developed using a dip coating method and characterised using electrochemical methods. The specific capacitance per unit area and length were calculated to be 3.18 mF cm−2 and 0.1 mF cm−1, respectively, for a 2.6 cm supercapacitor. A 70 cm long fibre supercapacitor was then woven into a piece of fabric. Following characterisation using cyclic voltammetry, we found that this device had the same capacitance as its original value before integration into the fabric.
The research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007- 2013) under grant agreement no. 281063.