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首页> 外文期刊>Nanotechnology >In situ coating nickel organic complexes on free-standing nickel wire films for volumetric-energy-dense supercapacitors
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In situ coating nickel organic complexes on free-standing nickel wire films for volumetric-energy-dense supercapacitors

机译：原位涂布镍有机络合物，用于容量 - 能量 - 致密超级电容器的独立镍线膜

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摘要

A self-free-standing core-sheath structured hybrid membrane electrodes based on nickel and nickel based metal-organic complexes (Ni@Ni-OC) was designed and constructed for high volumetric supercapacitors. The self-standing Ni@Ni-OC film electrode had a high volumetric specific capacity of 1225.5 C cm(-3) at 0.3 A cm(-3) and an excellent rate capability. Moreover, when countered with graphene-carbon nanotube (G-CNT) film electrode, the as-assembled Ni@Ni-OC//G-CNT hybrid supercapacitor device delivered an extraordinary volumetric capacitance of 85 F cm(-3) at 0.5 A cm(-3) and an outstanding energy density of 33.8 at 483 mW cm(-3). Furthermore, the hybrid supercapacitor showed no capacitance loss after 10 000 cycles at 2 A cm(-3), indicating its excellent cycle stability. These fascinating performances can be ascribed to its unique core-sheath structure that high capacity nano-porous nickel based metalorganic complexes (Ni-OC) in situ coated on highly conductive Ni wires. The impressive results presented here may pave the way to construct s self-standing membrane electrode for applications in high volumetric-performance energy storage.
机译：基于镍和基于镍的金属 - 有机络合物（Ni @ Ni-OC）的独立式芯鞘结构混合膜电极被设计和构建，用于高容量超级电容器。自站式Ni @ Ni-OC薄膜电极的高容量比容量为1225.5ccm（-3），在0.3 a cm（-3）和优异的速率能力下。此外，当用石墨烯 - 碳纳米管（G-CNT）薄膜电极进行抗衡时，AS组装的NI-OC // G-CNT混合超级电容器装置在0.5A的情况下输送了85 f cm（-3）的非凡容量电容CM（-3）和483mW cm（-3）的出色能量密度为33.8。此外，混合超级电容器在2厘米（-3）的10 000周期后没有显示电容损失，表明其优异的循环稳定性。这些迷人的性能可以归因于其独特的芯鞘结构，该结构高容量纳米多孔镍基金属有机络合物（Ni-OC）原位涂覆在高导电Ni线上。这里呈现的令人印象深刻的结果可以铺平为在高容量性能储存中构建自站立膜电极的方法。

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  • 来源
    《Nanotechnology》 |2018年第27期|共11页
  • 作者

    Hong Min; Xu Shusheng; Yao Lu; Zhou Chao; Hu Nantao; Yang Zhi; Hu Jing; Zhang Liying; Zhou Zhihua; Wei Hao; Zhang Yafei;

  • 作者单位

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Elect Informat &

    Elect Engn Minist Educ Key Lab Thin Film &

    Microfabricat Technol Dong Chuan Rd 800 Shanghai 200240 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    nickel wire; self-standing electrode; nano-porous complexes; core-sheath structure; supercapacitor;

    机译：镍线;自站电极;纳米多孔络合物;芯鞘结构;超级电容器;

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