Ni-intercalated Mo2TiC2Tx free-standing MXene for excellent gravimetric capacitance prepared via electrostatic self-assembly

M. Waqas Hakim, Sabeen Fatima, Rabia Tahir, Muhammad Z. Iqbal, Hu Li, Syed Rizwan

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


MXenes and composite belonging to the family of 2D material offer promising applications in the field of energy storage owing to their unique structure, metallic conductivity, and surface tunability. Herein, we have reported a simple approach for the synthesis of pristine Mo2TIC2Tx and Ni-intercalated Mo2TiC2Tx free-standing film. The prepared films were characterized using X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) for the electrochemical measurements. A binder-free, flexible, and chemically stable structure of synthesized Ni-Mo2TiC2Tx films shows a high gravimetric capacitance of 682 F g−1, compared to the pristine Mo2TiC2Tx free-standing film which exhibited a gravimetric capacitance of 310 F g−1 at 5 mV s−1. Synthesized Ni-Mo2TiC2Tx electrode exhibited an energy density of 59.77 W h kg−1 and power density of 0.4 kW kg−1 along with long-term cyclic ability and stability of over 5000 cycles which makes it a good candidate material for energy storage devices.

Original languageEnglish
Article number106662
JournalJournal of Energy Storage
Publication statusPublished - May 2023


  • 2D material
  • Flexible binder-free electrode
  • Free-standing film
  • MXene
  • Supercapacitor

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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