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分级孔rGO/NiO的异质自组装制备及其电化学性能

袁淑霞 杨明珲 吕春祥 王晓敏

袁淑霞, 杨明珲, 吕春祥, 王晓敏. 分级孔rGO/NiO的异质自组装制备及其电化学性能. 新型炭材料, 2020, 35(6): 731-738. doi: 10.1016/S1872-5805(20)60525-X
引用本文: 袁淑霞, 杨明珲, 吕春祥, 王晓敏. 分级孔rGO/NiO的异质自组装制备及其电化学性能. 新型炭材料, 2020, 35(6): 731-738. doi: 10.1016/S1872-5805(20)60525-X
YUAN Shu-xia, YANG Ming-hui, LU Chun-xiang, WANG Xiao-min. Synthesis of a rGO/NiO composite with a hierarchical pore structure by self-assembly and its electrochemical performance as a supercapacitor electrode. New Carbon Mater., 2020, 35(6): 731-738. doi: 10.1016/S1872-5805(20)60525-X
Citation: YUAN Shu-xia, YANG Ming-hui, LU Chun-xiang, WANG Xiao-min. Synthesis of a rGO/NiO composite with a hierarchical pore structure by self-assembly and its electrochemical performance as a supercapacitor electrode. New Carbon Mater., 2020, 35(6): 731-738. doi: 10.1016/S1872-5805(20)60525-X

分级孔rGO/NiO的异质自组装制备及其电化学性能

doi: 10.1016/S1872-5805(20)60525-X
基金项目: 国家自然科学基金(51572184).
详细信息
    通讯作者:

    王晓敏,博士,教授.E-mail:wangxiaomin@tyut.edu.cn

  • 中图分类号: TB33

Synthesis of a rGO/NiO composite with a hierarchical pore structure by self-assembly and its electrochemical performance as a supercapacitor electrode

Funds: National Natural Science Foundation of China (51572184).
  • 摘要: 采用异质自组装法制备得到氧化石墨烯/Ni(HCO32(GO/Ni(HCO32),经热还原分解后得到石墨烯/NiO(rGO/NiO)。通过XRD、SEM和N2吸脱附测试等手段详细研究了GO/Ni(HCO32向rGO/NiO转变过程中的结构变化,结果表明,rGO/NiO的比表面积和孔容分别为121.3 m2 g-1和0.26 cm3 g-1,呈分级孔分布,孔径主要分布为2~100 nm。大的比表面积和分级孔的分布使得rGO/NiO呈现出优异的电化学性能。在0.5 A g-1的电流密度下比电容是919 F g-1。当电流密度从0.5 A g-1提高至5 A g-1时,比电容保持率为71%。长周期循环稳定性结果显示,在2 A g-1的电流密度下循环3 000次后比电容保持率为91%。
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出版历程
  • 收稿日期:  2020-05-06
  • 修回日期:  2020-06-16
  • 刊出日期:  2020-12-31

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