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首页> 外文期刊>Journal of materials science >Graphene aerogel-coated MoO_3 nanoparticle/ polypyrrole ternary composites for high-performance supercapacitor
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Graphene aerogel-coated MoO_3 nanoparticle/ polypyrrole ternary composites for high-performance supercapacitor

机译：石墨烯气凝胶涂层MOO_3纳米粒子/聚吡咯三元复合材料，用于高性能超级电容器

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摘要

A graphene aerogel-coated molybdenum trioxide/polypyrrole (MoO_3/ GA@PPy) composite was synthesized via hydrothermal and in site polymerization reactions. The character of PPy, MoO_3/GA, and MoO_3/GA@PPy were investigated by X-ray diffraction, Fourier transform spectroscopy, Raman spectroscopy, photoluminescence spectroscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy. The results of the morphological and structural analysis clearly revealed the formation of ternary nanocomposites. The electrochemical properties, such as capacitance, specific capacitance retention at different current loads, cycling stability, and impedance, were discussed as well. Improvement of electrochemical performances of the ternary nanocomposites was observed. The MoO_3/GA@PPy showed a maximum specific capacitance of 1788 F/g at current density of 1 A/g.
机译：通过水热和位点聚合反应合成石墨烯气体涂覆的三氧化钼/聚吡咯（MOO_3 / GA @ PPY）复合材料。通过X射线衍射，傅里叶变换光谱，拉曼光谱，光致发光光谱，扫描电子显微镜和X射线光电子能谱来研究PPY，MOO_3 / GA和MOO_3 / GA @ PPY的特征。形态学和结构分析的结果明显揭示了三元纳米复合材料的形成。还讨论了电化学性质，例如电容，不同电流负荷，循环稳定性和阻抗的特定电容保持。观察到三元纳米复合材料的电化学性能的提高。 MOO_3 / GA @PPY在电流密度为1A / g的最大特定电容为1788 f / g。

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  • 来源
    《Journal of materials science》 |2020年第19期|17110-17119|共10页
  • 作者

    Qing Xin; Zhicheng Guo; Yue Zang; Jun Lin;

  • 作者单位

    College of Electronics and Information Hangzhou Dianzi University Hangzhou 310018 People's Republic of China Zhejiang Provincial Key Lab of Equipment Electronics Hangzhou Dianzi University Hangzhou 310018 People's Republic of China;

    College of Electronics and Information Hangzhou Dianzi University Hangzhou 310018 People's Republic of China;

    College of Electronics and Information Hangzhou Dianzi University Hangzhou 310018 People's Republic of China Zhejiang Provincial Key Lab of Equipment Electronics Hangzhou Dianzi University Hangzhou 310018 People's Republic of China;

    College of Electronics and Information Hangzhou Dianzi University Hangzhou 310018 People's Republic of China Zhejiang Provincial Key Lab of Equipment Electronics Hangzhou Dianzi University Hangzhou 310018 People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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