Electrodeposited Ni–Co layered double hydroxides on titanium carbide as a binder-free electrode for supercapacitors

H. Li, F. Musharavati, E. Zalenezhad, X. Chen, K. N. Hui, K. S. Hui

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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.

Original languageEnglish
Pages (from-to)178-187
Number of pages10
JournalElectrochimica Acta
Early online date22 Dec 2017
Publication statusPublished - 20 Jan 2018


  • Binder-free electrode
  • Electrodeposition
  • MXene
  • Ni–Co layered double hydroxides
  • Supercapacitors

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