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首页> 外文期刊>Advanced Functional Materials >Compact and Light Supercapacitor Electrodes from a Surface-Only Solid by Opened Carbon Nanotubes with 2200 m~2 g~(-1) Surface Area
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Compact and Light Supercapacitor Electrodes from a Surface-Only Solid by Opened Carbon Nanotubes with 2200 m~2 g~(-1) Surface Area

机译：通过表面面积为2200 m〜2 g〜（-1）的开放式碳纳米管从表面仅固体获得紧凑轻巧的超级电容器电极

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摘要

An approach is presented to make a "surface-only solid" with a surface area of 2240 m~2 g~(-1) (1 310m~2 cm~(-3)), corresponding to 85% of the atoms constituting a surface, by opening single-walled carbon nanotube forests and solids via controlled oxidation. The controllability of the approach is demonstrated by tailoring the hole size to match the guest molecule, for example, nitrogen, fullerene, or solvated ions. These features make the surface-only solid an ideal vessel for material and energy storage, as demonstrated by its use for electrodes to realize a light and compact supercapacitor with high energy (24.7 W h kg~(-1)) and power (98.9 kW kg~(-1)) densities, exceeding those of activated carbon (16.9 W h kg ~(-1) and 35.7 kW kg~(-1)).
机译：提出了一种方法来制造“仅表面固体”，其表面积为2240 m〜2 g〜（-1）（1310m〜2 cm〜（-3）），相当于构成原子的85％原子。通过控制氧化来打开单壁碳纳米管森林和固体表面。该方法的可控性通过调整孔的大小以匹配客体分子（例如氮，富勒烯或溶剂化离子）来证明。这些特性使纯表面固体成为用于材料和能量存储的理想容器，如其用于电极以实现具有高能量（24.7 W h kg〜（-1））和功率（98.9 kW）的轻巧紧凑型超级电容器所证明的那样kg〜（-1））密度，超过了活性炭的密度（16.9 W h kg〜（-1）和35.7 kW kg〜（-1））。

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  • 来源
    《Advanced Functional Materials》 |2010年第3期|422-428|共7页
  • 作者

    Tatsuki Hiraoka; Ali Izadi-Najafabadi; Takeo Yamada; Don N. Futaba; Satoshi Yasuda; Osamu Tanaike; Hiroaki Hatori; Motoo Yumura; Sumio Iijima; Kenji Hata;

  • 作者单位

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan) Meijo University Nagoya, 468-8502 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan);

    Energy Technology Research Institute National Institute of Advanced Industrial Science and Technology AIST Tsukuba West, Tsukuba, 305-8569 (Japan);

    Energy Technology Research Institute National Institute of Advanced Industrial Science and Technology AIST Tsukuba West, Tsukuba, 305-8569 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan) Meijo University Nagoya, 468-8502 (Japan);

    Nanotube Research Center National Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 (Japan) Japan Science and Technology Agency (JST) Kawaguchi, 332-0012 (Japan);

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