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首页> 外文期刊>Advanced energy materials >MoS2-Based All-Purpose Fibrous Electrode and Self-Powering Energy Fiber for Efficient Energy Harvesting and Storage
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MoS2-Based All-Purpose Fibrous Electrode and Self-Powering Energy Fiber for Efficient Energy Harvesting and Storage

机译：基于MoS2的通用纤维电极和自供电能量纤维，可有效收集和存储能量

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摘要

Here an all-purpose fibrous electrode based on MoS2 is demonstrated, which can be employed for versatile energy harvesting and storage applications. In this coaxial electrode, ultrathin MoS2 nanofilms are grown on TiO2 nanoparticles coated carbon fiber. The high electrochemical activity of MoS2 and good conductivity of carbon fiber synergistically lead to the remarkable performances of this novel composite electrode in fibrous dye-sensitized solar cells (showing a record-breaking conversion efficiency of 9.5%) and high-capacity fibrous supercapacitors. Furthermore, a self-powering energy fiber is fabricated by combining a fibrous dye-sensitized solar cell and a fibrous supercapacitor into a single device, showing very fast charging capability (charging in 7 s under AM1.5G solar illumination) and an overall photochemical-electricity energy conversion efficiency as high as 1.8%. In addition, this wire-shaped electrode can also be used for fibrous Li-ion batteries and electrocatalytic hydrogen evolution reactions. These applications indicate that the MoS2-based all-purpose fibrous electrode has great potential for the construction of high-performance flexible and wearable energy devices.
机译：这里展示了一种基于MoS2的通用纤维电极，可用于多种能量收集和存储应用。在该同轴电极中，超薄MoS2纳米膜在TiO2纳米颗粒涂覆的碳纤维上生长。 MoS2的高电化学活性和良好的碳纤维导电性协同作用，使这种新型复合电极在纤维染料敏化太阳能电池（显示创纪录的转换效率为9.5％）和高容量纤维超级电容器中具有卓越的性能。此外，通过将纤维染料敏化太阳能电池和纤维超级电容器组合到单个设备中，可以制造出具有自供电能力的能量纤维，它具有非常快的充电能力（在AM1.5G太阳光照下可充电7 s），并且整个光化学电池具有电力能源转换效率高达1.8％。另外，该线状电极还可以用于纤维状锂离子电池和电催化氢析出反应。这些应用表明，基于MoS2的通用纤维电极在构建高性能柔性和可穿戴能源设备方面具有巨大潜力。

著录项

  • 来源
    《Advanced energy materials》 |2017年第3期|1601208.1-1601208.9|共9页
  • 作者

    Liang Jia; Zhu Guoyin; Wang Caixing; Wang Yanrong; Zhu Hongfei; Hu Yi; Lv Hongling; Chen Renpeng; Ma Lianbo; Chen Tao; Jin Zhong; Liu Jie;

  • 作者单位

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China;

    Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem MOE, Nanjing 210093, Jiangsu, Peoples R China|Nanjing Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Chem Life Sci, Nanjing 210093, Jiangsu, Peoples R China|Duke Univ, Dept Chem, Durham, NC 27708 USA;

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  • 正文语种 eng
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  • 关键词

    dye-sensitized solar cells; hydrogen evolution reactions; Li-ion batteries; self-powering energy fibers; supercapacitors;

    机译：染料敏化太阳能电池;析氢反应;锂离子电池;自供电能量纤维;超级电容器;

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