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Flexible Supercapacitor with Sweat Equivalent Electrolyte for Safe and Ecofriendly Energy Storage

Manjakkal, Libu; Pullanchiyodan, Abhilash; Hosseini, Ensieh. S.; Dahiya, Ravinder


Abhilash Pullanchiyodan

Ensieh. S. Hosseini

Ravinder Dahiya


Textile based wearable, biocompatible and low-cost energy storage devices are highly in demand to overcome the issue of powering wearable sensors and electronic devices. In this work, we designed an environmentally friendly textile supercapacitor (SC) which operates with sweat equivalent electrolyte. For investigating the influence of conductivity of the electrodes we present two types of SCs which are based on electrodes of: (1) pure PEDOT: PSS and (2) PEDOT: PSS with DMSO. The increasing conductivity of PEDOT: PSS with DMSO shows significant influence performance enhancement of the SC. The SC exhibited a capacitance of 10 −2 for PEDOT: PSS with DMSO and 3.8 −2 for PEDOT: PSS in sweat equivalent solution. For a real human sweat the SC exhibited a capacitance of 9, thus showing the capability for powering the low-power wearable sensors.

Presentation Conference Type Conference Paper (Published)
Conference Name 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)
Start Date Aug 16, 2020
End Date Aug 19, 2020
Online Publication Date Oct 30, 2020
Publication Date 2020
Deposit Date Jul 28, 2022
Publisher Institute of Electrical and Electronics Engineers
Book Title 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)
Keywords Sweat Electrolyte, eTextile Supercapacitor, PEDOT: PSS, Wearable Systems , environmentally friendly Energy
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