Abstract
Textile based energy storage is becoming increasingly popular for smart-textile sensing application while being comfortable and relatively easy to integrate into clothing. In this study, textile fabric was structured in a mesh geometrical configuration by embroidery stitching technology, which provides high flexibility and stability in the fabrication of wearable supercapacitor devices. The output performance of the textile supercapacitor provides specific capacitance, energy density and power density 266.6 Fg−1, 37.027 Whkg−1 and 177 Wkg−1 for silver mesh fabric and 172 Fg−1, 24.583 Whkg−1 and 118.156 Wkg−1 for stainless steel mesh respectively as can be seen by the cyclic voltammogram (CV) curve of the supercapacitor at a scan rate of 10 mV/s. Silver mesh fabric supercapacitor is provided higher output performance as compare to stainless steel mesh fabric and presented capacitance retention stability at 95.4 % after 5000 cycles at a constant current of 0.25 mA. The fabricated textile supercapacitor is able to be charged up to 2.8 V of 3.0 s at constant current of 2.0 mA and able to be lighted up a commercial light-emitting diodes (LEDs). All experimental results indicate that supercapacitors constructed with silver mesh fabric and graphene oxide/manganese dioxide (G-MnO2)/carbon black have the potential to serve as electrode materials and flexible substrate for flexible textile-based supercapacitors.
Published Version
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