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Dice-Like Nanostructure of a CuS@PbS Composite for High-Performance Supercapacitor Electrode Applications

Author

Listed:
  • Ikkurthi Kanaka Durga

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

  • S. Srinivasa Rao

    (Department of Mechatronics Engineering, KyungSung University, 309 Suyeong-ro Nam-gu, Busan 48434, Korea)

  • Jin-Woo Ahn

    (Department of Mechatronics Engineering, KyungSung University, 309 Suyeong-ro Nam-gu, Busan 48434, Korea)

  • Tae-Yong Park

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

  • Bak Jin-Soo

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

  • Cho-In Ho

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

  • K. Prabakar

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

  • Hee-Je Kim

    (School of Electrical Engineering, Pusan National University, Busandaehak-ro 63beongil, Geumjeong-gu, Busan 46241, Korea)

Abstract

A cost-effective and uniform crystal with different structures was fabricated using a facile chemical bath deposition technique for electrochemical supercapacitor (SC) applications. In this study, CuS, PbS, and CuS@PbS composite electrodes were fabricated for SCs. The morphology and structure of the electrodes were analyzed by field emission–scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. The CuS@PbS composite electrode delivered outstanding electrochemical performance in SCs with a high specific capacitance of 1004.42 F g −1 at a current density of 2.85 A g −1 , good cycling stability (only 2.9% loss after 3000 cycles at 2.85 A g −1 ), higher energy density of 33.89 Wh kg −1 at a power density of 714.28 W kg −1 , and an excellent rate capability compared to other electrodes. These results show that the CuS@PbS composite can be used to improve the surface morphology and is a promising positive electrode material for SC applications.

Suggested Citation

  • Ikkurthi Kanaka Durga & S. Srinivasa Rao & Jin-Woo Ahn & Tae-Yong Park & Bak Jin-Soo & Cho-In Ho & K. Prabakar & Hee-Je Kim, 2018. "Dice-Like Nanostructure of a CuS@PbS Composite for High-Performance Supercapacitor Electrode Applications," Energies, MDPI, vol. 11(7), pages 1-11, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1624-:d:153724
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    Citations

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    Cited by:

    1. Min-Soo Kim & Do-Hyun Kim & Dong-Keun Jeong & Jang-Mok Kim & Hee-Je Kim, 2020. "Soft Start-Up Control Strategy for Dual Active Bridge Converter with a Supercapacitor," Energies, MDPI, vol. 13(16), pages 1-19, August.
    2. Ikkurthi Kanaka Durga & Kummara Venkata Guru Raghavendra & Naga Bhushanam Kundakarla & Suresh Alapati & Jin-Woo Ahn & Sunkara Srinivasa Rao, 2021. "Facile Synthesis of Coral Reef-Like ZnO/CoS 2 Nanostructure on Nickel Foam as an Advanced Electrode Material for High-Performance Supercapacitors," Energies, MDPI, vol. 14(16), pages 1-10, August.

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