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首页> 外文期刊>Advanced energy materials >A Flexible Quasi-Solid-State Asymmetric Electrochemical Capacitor Based on Hierarchical Porous V2O5 Nanosheets on Carbon Nanofibers
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A Flexible Quasi-Solid-State Asymmetric Electrochemical Capacitor Based on Hierarchical Porous V2O5 Nanosheets on Carbon Nanofibers

机译：基于碳纳米纤维上多层多孔V2O5纳米片的柔性准固态不对称电化学电容器

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摘要

The development of 3D nanoarchitectures on flexible current collectors has emerged as an effective strategy for preparing advanced portable and wearable power sources. Herein, a flexible and efficient electrode is demonstrated based on electrospun carbon fibers (ECF) substrate with elaborately designed hierarchical porous V2O5 nanosheets (V2O5–ECF). The unique configuration of V2O5–ECF composite film fully enables utilization of the synergistic effects from both high electrochemical performance of V2O5 and excellent conductivity of ECF, endowing the films to be an excellent electrode for flexible and lightweight electrochemical capacitors (ECs). Benefiting from their intriguing structural features, V2O5–ECF and ECF films, directly used as electrodes for flexible asymmetric quasi-solid-state electrochemical capacitors, achieve superior flexibility and reliability, enhanced energy/power density, and outstanding cycling stability. Moreover, the ability to power light-emitting diodes (LED) also indicates the feasibility for practical use. Therefore, it is believed that this novel design may find promising application in flexible devices in future.
机译：柔性集电器上3D纳米体系结构的开发已成为准备高级便携式和可穿戴电源的有效策略。在本文中，基于具有精细设计的分层多孔V2O5纳米片（V2O5-ECF）的电纺碳纤维（ECF）基板，展示了一种灵活高效的电极。 V2O5-ECF复合膜的独特配置充分利用了V2O5的高电化学性能和出色的ECF电导率所产生的协同效应，使该膜成为柔性和轻型电化学电容器（EC）的极佳电极。 V2O5-ECF和ECF薄膜具有引人入胜的结构特征，可直接用作柔性非对称准固态电化学电容器的电极，具有出色的柔性和可靠性，增强的能量/功率密度和出色的循环稳定性。此外，为发光二极管（LED）供电的能力也表明了实际使用的可行性。因此，相信这种新颖的设计将来可能在柔性设备中找到有希望的应用。

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  • 来源
    《Advanced energy materials》 |2015年第17期|1-8|共8页
  • 作者

    Linlin Li; Shengjie Peng; Hao Bin Wu; Le Yu; Srinivasan Madhavi; Xiong Wen (David) Lou;

  • 作者单位

    School of Materials Science and Engineering Nanyang Technological University Singapore Singapore;

    School of Materials Science and Engineering Nanyang Technological University Singapore Singapore;

    School of Chemical and Biomedical Engineering Nanyang Technological University Singapore Singapore;

    School of Chemical and Biomedical Engineering Nanyang Technological University Singapore Singapore;

    School of Materials Science and Engineering Nanyang Technological University Singapore Singapore;

    School of Chemical and Biomedical Engineering Nanyang Technological University Singapore Singapore;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    hybrid supercapacitors; V2O5; nanosheets; carbon nanofibers; nanoarchitectures; electrodes;

    机译：混合超级电容器V2O5纳米片碳纳米纤维纳米结构电极;

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