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Hydrothermal Electrochemical Deposition Synthesis of Co9S8 Film Electrode
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Affiliation:

College of Materials,Shen Zhen University

Clc Number:

O646

Fund Project:

Natural Science Foundation of Guangdong Province ;Higher education teaching reform project of Guangdong Province

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    Abstract:

    A Co9S8 film was in-situ deposited onto nickel foam substrate via a hydrothermal electrochemical deposition method. The morphology, composition and structure of the as-prepared film were characterized and the electrochemical performances were tested. The result showed that the as-synthesized Co9S8 film displayed a petal-like morphology and possessed excellent capacitive behavior with a specific capacitance of 2538.7 F/g at a discharge current density of 10 mA/cm2, and retained to 1930.7 F/g even at a higher density of 50 mA/cm2. After 1000 cycles at 20 mA/cm2, the specific capacitance of 1825.2 F/g still remained, and the capacitance retention is calculated to be 72.8%. Even after 1500 cycles, the specific capacitance retention could retain to 61.4%.

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[Chen Jie, Zhang Jia, Xiong Xinbo, Ma Jun, Zeng Xierong, Li Junqing, Tang Jiaoning, Qian Haixia, Li Yayun. Hydrothermal Electrochemical Deposition Synthesis of Co9S8 Film Electrode[J]. Rare Metal Materials and Engineering,2019,48(3):967~972.]
DOI:10.12442/j. issn.1002-185X.20170690

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History
  • Received:August 04,2017
  • Revised:September 11,2017
  • Adopted:October 12,2017
  • Online: April 10,2019
  • Published: