LAUSR

Abstract The development of sustainable energy conversion and storage systems is on demand to ease the energy needs and restrict environmental pollution. Here, we account a unique multifunctional flake-like CoS deposited over the flexible carbon cloth (CoS@CC) by a facile hydrothermal technique. The single-phase hexagonal structured CoS@CC with high crystallinity was identified through the XRD analysis. The morphological feature portrays the uniform distribution of flake-like CoS over carbon cloth. The electrocatalytic properties of the prepared flake-like CoS (CoS@CC) suggests improved electroactivity of requiring minimal overpotentials of 280 mV (OER) and 264 mV (HER) to accomplish a pre-eminent current density of 20 mA cm−2. In addition, a lab-scale water splitting system was projected to achieve a current density of 10 mA cm−2 with a low cell voltage of 1.65 V. In view to driving the fabricated water splitting system, a flexible (CoS@CC||rGO) supercapattery was fabricated to deliver an improved specific energy of 38 Wh kg−1 at a superior specific power of 533 W kg−1. Therefore, the prepared CoS@CC electrode with improved flexibility, useful catalytic activity, expressive kinetics, and resilient strength serves as a multifunctional material for prospective energy conversion and storage systems.