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INDUCED ELECTRODEPOSITION OF AMORPHOUS MOLYBDENUM (IV) OXIDE FILM BY Ni2+ AND ITS ABILITY OF LITHIUM STORAGE

Author

Listed:
  • CHANGWEI SU

    (School of Chemistry and Environment, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China2Engineering Research Center of Biopolymer Functional, Materials of Yunnan, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China)

  • MENGCHAO YE

    (School of Chemistry and Environment, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China2Engineering Research Center of Biopolymer Functional, Materials of Yunnan, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China)

  • YANG BAI

    (School of Chemistry and Environment, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China2Engineering Research Center of Biopolymer Functional, Materials of Yunnan, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China)

  • JIANPING HOU

    (School of Chemistry and Environment, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China2Engineering Research Center of Biopolymer Functional, Materials of Yunnan, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China)

  • JUNMING GUO

    (School of Chemistry and Environment, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China2Engineering Research Center of Biopolymer Functional, Materials of Yunnan, Yunnan Minzu University, Kunming, Yunnan 650500, P. R. China)

Abstract

Amorphous molybdenum oxide films with almost 20μm thickness are electrodeposited on the Cu foils from a citrate-ammonia molybdate bath containing Ni2+ ions. The content of Ni in the oxide films is very low, 0.87 at.%. XRD and FTIR data suggest that they are composed of hydrous MoO2. The multilayer and cracked structures are characterized by scanning electron microscopy (SEM), and are beneficial to transmission of Li+ ions between the electrolyte and anode materials. Galvanostatic battery testing shows that amorphous molybdenum (IV) oxides as anodes for lithium-ion batteries exhibit a high specific capacity of 876mA⋅h⋅g−1 at a current density of 50mA⋅g−1, good capacity retention as high as 97.4% after 20 cycles.

Suggested Citation

  • Changwei Su & Mengchao Ye & Yang Bai & Jianping Hou & Junming Guo, 2017. "INDUCED ELECTRODEPOSITION OF AMORPHOUS MOLYBDENUM (IV) OXIDE FILM BY Ni2+ AND ITS ABILITY OF LITHIUM STORAGE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 24(05), pages 1-9, July.
  • Handle: RePEc:wsi:srlxxx:v:24:y:2017:i:05:n:s0218625x17500706
    DOI: 10.1142/S0218625X17500706
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