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Facile fabrication of flexible graphene/porous carbon microsphere hybrid films and their application in supercapacitors

机译：柔性石墨烯/多孔碳微球杂种膜的舒适性制造及其在超级电容器中的应用

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摘要

Graphene/porous carbon microsphere hybrid films were fabricated by vacuum filtration of graphene oxide nanosheets and porous carbon microspheres, followed by reduction, leavening and compressing. The asprepared hybrid films were characterized by means of scanning electron microscopy, X-ray diffraction, Raman spectroscopy and four-point probe measurements. After reduction and leavening, the leavened foam film displayed a moderate capacitive performance (183 F g(-1) at 0.2 A g(-1)) in KOH aqueous solution. Additionally, over 112.1% of the initial capacitance was retained after repeating the cyclic voltammetry test for 1000 cycles. After compressing, the flexible thin film had a moderate capacitive performance of 144 F g(-1) at 0.2 A g(-1) for a single electrode and over 99.7% of the initial capacitance. Moreover, the thin film had good capacitive behaviour retainability after multiple cycles of excessive bending experiments.
机译：石墨烯/多孔碳微球杂种膜通过石墨烯纳米液和多孔碳微球的真空过滤而制造，然后减少，致冷和压缩。 通过扫描电子显微镜，X射线衍射，拉曼光谱和四点探针测量来表征呈载体的混合膜。 在减少和凸起后，升降的泡沫膜在KOH水溶液中显示出中等的电容性能（183°F G（-1）），如0.2Ag（-1））。 另外，在重复循环伏安测定的1000次循环后，保留超过112.1％的初始电容。 在压缩之后，柔性薄膜在单个电极的0.2Ag（-1）的中等电容性能为144fg（-1），初始电容的超过99.7％。 此外，薄膜在多循环过度弯曲实验后具有良好的电容性行为保留性。

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  • 来源
    《RSC Advances》 |2016年第92期|共8页
  • 作者

    Ren Hongbo; Zhu Jiayi; Bi Yutie; Xu Yewei; Zhang Lin;

  • 作者单位

    Southwest Univ Sci &

    Technol Joint Lab Extreme Condit Matter Properties Mianyang 621010 Peoples R China;

    Southwest Univ Sci &

    Technol Joint Lab Extreme Condit Matter Properties Mianyang 621010 Peoples R China;

    Southwest Univ Sci &

    Technol Joint Lab Extreme Condit Matter Properties Mianyang 621010 Peoples R China;

    Southwest Univ Sci &

    Technol Sch Mat Sci &

    Engn Mianyang 621010 Peoples R China;

    Southwest Univ Sci &

    Technol Joint Lab Extreme Condit Matter Properties Mianyang 621010 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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