Fig. 4. Electrochemical performance of PPy–MXene coated the textile electrode. (a) The comparison of CV curves between MXene-based and PPy–MXene coated textile electrode at a scan rate of 50 mV s⁻¹. (b) The comparison of GCD curves between MXene-based and PPy–MXene coated textile electrode under a current density of 2 mA cm⁻². (c) The comparison of specific capacitance between MXene-based and PPy–MXene coated textile electrode. (d) CV curves of PPy–MXene coated textile electrode at the different scan rate. (e) GCD curves of PPy–MXene coated textile electrode at various current densities. (f) The specific capacitance of PPy–MXene coated textile electrode with respect to scan rate.