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作者:

Song, Min (Song, Min.) | Zhao, Jianling (Zhao, Jianling.) | Li, Hongyi (Li, Hongyi.) (学者:李洪义) | Yu, Xiaofei (Yu, Xiaofei.) | Yang, Xiaojing (Yang, Xiaojing.) | Zhang, Laiqi (Zhang, Laiqi.) | Yin, Zekun (Yin, Zekun.) | Wang, Xixin (Wang, Xixin.)

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EI Scopus SCIE

摘要:

In this paper, Cu2O/Cu porous granular films were prepared by electrodeposition in copper sulfate solution containing triethanolamine and in-situ oxidation strategies. The effects of the amount of triethanolamine, electrodeposition time and annealing temperature on the morphology, structure and electrochemical properties of the granular film were investigated, and the related reasons were discussed. Results show that the CV curves of the as-prepared sample have a pair of redox peaks with good symmetry and reversibility in 1 M KOH solution at a potential window from -1 to -0.2 V, corresponding to the conversion process between Cu2O and Cu. When the amount of triethanolamine is 0.2 wt%, the deposition time is 3 min, and the annealing temperature is 200 degrees C, the capacitance of the sample reaches the maximum value of 158.8 mF/cm(2). Moreover, the sample has a good cycling stability with 85.9% of its original capacitance value after 3000 cycles. (C) 2019 Elsevier B.V. All rights reserved.

关键词:

Negative electrode Supercapacitor Cu2O/Cu In-situ oxidation Electrodeposition

作者机构:

  • [ 1 ] [Song, Min]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 2 ] [Zhao, Jianling]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 3 ] [Yu, Xiaofei]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 4 ] [Yang, Xiaojing]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 5 ] [Zhang, Laiqi]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 6 ] [Yin, Zekun]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 7 ] [Wang, Xixin]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
  • [ 8 ] [Li, Hongyi]Beijing Univ Technol, Sch Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhao, Jianling]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China;;[Wang, Xixin]Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China

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来源 :

JOURNAL OF ELECTROANALYTICAL CHEMISTRY

ISSN: 1572-6657

年份: 2020

卷: 857

4 . 5 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:139

被引次数:

WoS核心集被引频次: 14

SCOPUS被引频次: 11

ESI高被引论文在榜: 0 展开所有

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