We report the synthesized mixture of MXene and Ni-Co LDH on nickel foam by an electrodeposition technique. The specific capacitance of the mixture attained 983.6 F g-1 at a discharge current of 2 A g-1 , which is greater than that of pure MXene. Compared to Ni-Co LDH, the sample created through electrodeposition provided a better rate capability of 983.6 F g-1 at 2 A g-1 and 536.6 F g-1 at 50 A g-1 and cycling stability with 76% retention after 5000 cycles at 30 A g-1. Moreover, a solid-state asymmetric supercapacitor with MXene-LDH as the positive electrode and multi-walled carbon nanotube coated on the nickel foam as the negative electrode delivers high energy density (36.70 Wh kg-1 at the power density of 1.44 kW kg-1), which outperforms the other devices reported previously.
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