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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Kinetics enhancement of lithium-sulfur batteries by interlinked hollow MoO2 sphere/nitrogen-doped graphene composite
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Kinetics enhancement of lithium-sulfur batteries by interlinked hollow MoO2 sphere/nitrogen-doped graphene composite

机译：通过相互连接的空心MOO2球/氮掺杂石墨烯复合材料进行锂 - 硫电池的动力学

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摘要

The shuttle effect and poor redox kinetics are vital issues restricting the evolution of lithium sulfur batteries; it is therefore exigent to rationally design an effective sulfur host. Hence, this paper reports a hollow MoO2 sphere anchored on nitrogen-doped graphene. The hollow MoO2 sphere controls the polysulfide dissolution, and the nitrogen-doped graphene provides a conductive network and high sulfur loading. Meanwhile, the C-O-Mo bond interlinking MoO2 and N-doped graphene provides a pathway for electron transfer, and the synergistic effect enhances the kinetics of lithium sulfur batteries profitably. Ascribed to the unique structure of MoO2/nitrogen-doped graphene, the obtained electrode exhibits a substantially enhanced electrochemical performance.
机译：穿梭效果和差的氧化还原动力学是限制锂硫电池演变的重要问题; 因此，合理设计有效的硫磺宿主是非常重要的。 因此，本文报告了一种锚定在氮掺杂石墨烯上的空心MOO2球体。 中空MOO2球体控制多硫化物溶解，氮掺杂石墨烯提供导电网络和高硫载荷。 同时，C-O-Mo键粘合互连MOO2和N掺杂石墨烯为电子转移提供了一种通路，协同效果可以利用锂硫电池的功率有利。 归因于MOO2 /氮掺杂石墨烯的独特结构，所得到的电极表现出基本上增强的电化学性能。

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  • 作者

    Wu Xian; Du Ying; Wang Pengxiang; Fan Lishuang; Cheng Junhan; Wang Maoxu; Qiu Yue; Guan Bin; Wu Hexian; Zhang Naiqing; Sun Kening;

  • 作者单位

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Sch Chem &

    Chem Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Sch Chem &

    Chem Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol Acad Fundamental &

    Interdisciplinary Sci Harbin 150001 Heilongjiang Peoples R China;

    Harbin Inst Technol State Key Lab Urban Water Resource &

    Environm Harbin 150090 Heilongjiang Peoples R China;

    Harbin Inst Technol State Key Lab Urban Water Resource &

    Environm Harbin 150090 Heilongjiang Peoples R China;

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  • 正文语种 eng
  • 中图分类 工程材料学;
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