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Solution Processed NiO/MoS 2 Heterostructure Nanocomposite for Supercapacitor Electrode Application

Author

Listed:
  • Dhivyaprasath Kasinathan

    (New Generation Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India)

  • Praveena Prabhakar

    (New Generation Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India)

  • Preethi Muruganandam

    (New Generation Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India)

  • Biny R. Wiston

    (New Generation Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India)

  • Ashok Mahalingam

    (New Generation Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India)

  • Ganesan Sriram

    (School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea)

Abstract

Metal oxide and metal dichalcogenide heterostructure composites are promising candidates for electrochemical use. In this study, a hybrid heterostructure composite electrode material was made using a straightforward hydrothermal process using transition metal oxide (NiO) and metal dichalcogenide (MoS 2 ). The surface of the flower-like structured MoS 2 was grown with granular structured NiO, and this heterostructure composite exhibited considerably improved specific capacitance when compared to the pure NiO and MoS 2 materials. The pseudocapacitive performance was effectively supported by the heterostructure combination of transition metal oxide (TMOs) and metal dichalcogenide (MDC), which greatly improved ion transport within the material and storage. At a current density of 1 A/g, the prepared heterostructure composite electrode material exhibited a specific capacitance of 289 F/g, and, after 2000 cycles, the capacitance retained 101% of its initial value. The symmetric device was constructed and put through tests using LED light. This finding opens up a new avenue for the quickly increasing the field of heterostructure materials.

Suggested Citation

  • Dhivyaprasath Kasinathan & Praveena Prabhakar & Preethi Muruganandam & Biny R. Wiston & Ashok Mahalingam & Ganesan Sriram, 2022. "Solution Processed NiO/MoS 2 Heterostructure Nanocomposite for Supercapacitor Electrode Application," Energies, MDPI, vol. 16(1), pages 1-13, December.
    • Handle: RePEc:gam:jeners:v:16:y:2022:i:1:p:335-:d:1017671
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