Figure 3.

a) CV curves of TiO₂/Ti₃C₂ at various scan rates; b) CV curves over 100 cycles at a scan rate of 50 mV s⁻¹; c) CV curves of TiO₂/Ti₃C₂ and TiO₂ at a scan rate of 50 mV s⁻¹; d) comparison of capacitance between TiO₂/Ti₃C₂ and Ti₃C₂; e) GCD curves of TiO₂/Ti₃C₂ and Ti₃C₂ at 0.1 A g⁻¹; f) Nyquist plots of TiO₂/Ti₃C₂ and Ti₃C₂; g) plots of i/ν ^1/2 versus ν ^1/2 at various potentials; h) CV curve at 50 mV s⁻¹ where the shaded area represents capacitive contribution; i) capacitive and diffusion contribution ratio at various scan rates.