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Hierarchical MnMoO4/CoMoO4 heterostructured nanowires with enhanced supercapacitor performance

Author

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  • Li-Qiang Mai

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology
    Harvard University)

  • Fan Yang

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology)

  • Yun-Long Zhao

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology)

  • Xu Xu

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology)

  • Lin Xu

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology
    Harvard University)

  • Yan-Zhu Luo

    (State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT-Harvard Joint Nano Key Laboratory, Wuhan University of Technology)

Abstract

Recent attention has been focused on the synthesis and application of complex heterostructured nanomaterials, which can have superior electrochemical performance than single-structured materials. Here we synthesize the three-dimensional (3D) multicomponent oxide, MnMoO4/CoMoO4. Hierarchical heterostructures are successfully prepared on the backbone material MnMoO4 by a simple refluxing method under mild conditions; and surface modification is achieved. We fabricate asymmetric supercapacitors based on hierarchical MnMoO4/CoMoO4 heterostructured nanowires, which show a specific capacitance of 187.1 F g−1 at a current density of 1 A g−1, and good reversibility with a cycling efficiency of 98% after 1,000 cycles. These results further demonstrate that constructing 3D hierarchical heterostructures can improve electrochemical properties. 'Oriented attachment' and 'self-assembly' crystal growth mechanisms are proposed to explain the formation of the heterostructures.

Suggested Citation

  • Li-Qiang Mai & Fan Yang & Yun-Long Zhao & Xu Xu & Lin Xu & Yan-Zhu Luo, 2011. "Hierarchical MnMoO4/CoMoO4 heterostructured nanowires with enhanced supercapacitor performance," Nature Communications, Nature, vol. 2(1), pages 1-5, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1387
    DOI: 10.1038/ncomms1387
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    Cited by:

    1. Yizhi Yan & Haolin Tang & Fan Wu & Rui Wang & Mu Pan, 2017. "One-Step Self-Assembly Synthesis α-Fe 2 O 3 with Carbon-Coated Nanoparticles for Stabilized and Enhanced Supercapacitors Electrode," Energies, MDPI, vol. 10(9), pages 1-13, August.
    2. Anil Kumar Yedluri & Tarugu Anitha & Hee-Je Kim, 2019. "Fabrication of Hierarchical NiMoO 4 /NiMoO 4 Nanoflowers on Highly Conductive Flexible Nickel Foam Substrate as a Capacitive Electrode Material for Supercapacitors with Enhanced Electrochemical Perfor," Energies, MDPI, vol. 12(6), pages 1-11, March.
    3. Wang, Jianzhi & Guo, Ziyi & Liu, Manyu & Wang, Yijuan & Liu, Haiyan & Wu, Li & Xue, Yanan & Cai, Ning & Li, Hui & Yu, Faquan, 2023. "CoMoO4 nanoparticles decorated ultrathin nanoplates constructed porous flower as an electrocatalyst toward overall water splitting and Zn-air batteries," Renewable Energy, Elsevier, vol. 212(C), pages 751-760.
    4. Anil Kumar Yedluri & Eswar Reddy Araveeti & Hee-Je Kim, 2019. "Facilely Synthesized NiCo 2 O 4 /NiCo 2 O 4 Nanofile Arrays Supported on Nickel Foam by a Hydrothermal Method and Their Excellent Performance for High-Rate Supercapacitance," Energies, MDPI, vol. 12(7), pages 1-11, April.
    5. 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.
    6. Sharifi, Farrokh & Ghobadian, Sasan & Cavalcanti, Flavia R. & Hashemi, Nastaran, 2015. "Paper-based devices for energy applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 1453-1472.
    7. C Karthikeyan & R Dhilip Kumar & J Anandha Raj & S Karuppuchamy, 2020. "One pot and large-scale synthesis of nanostructured metal sulfides: Synergistic effect on supercapacitor performance," Energy & Environment, , vol. 31(8), pages 1367-1384, December.

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