Full Screen-Printed Zinc-Ion Supercapacitor on Textile for Wearable Electronics

This work presents the design, fabrication and testing of a flexible interdigital zinc ion supercapacitor (ZIC) for e-textile and wearable electronics. The proposed energy storage device was fully screen printed on a piece of polyester-cotton textile with carbon cathode and zinc anode. It achieved an energy density of $0.693\ \text{mWh cm}^{-2}$ in a galvanostatic cycling test $(60\ \text{mA}.\text{cm}^{-2})$ between 0.1 V and 1.8 V.