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首页> 外文期刊>RSC Advances >Cheese-like bulk carbon with nanoholes prepared from egg white as an anode material for lithium and sodium ion batteries
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Cheese-like bulk carbon with nanoholes prepared from egg white as an anode material for lithium and sodium ion batteries

机译：奶酪样散装碳与纳米孔由蛋清制备为锂锂和钠离子电池的阳极材料

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摘要

Cheese-like bulk carbon with nanoholes has been successfully fabricated from egg white via a simple annealing method by using distilled water as a green clean "corrosive agent". X-ray diffractions and SEM images show the decomposition product of boiled egg white after annealing is bulk carbon, containing NaCl and KCl with a trace amount of nitrogen doping. After ultrasonic washing and centrifugation, the distilled water removed the NaCl and KCl nanocrystals from the bulk carbon completely and retained empty spaces, which eventually leads to the formation of a cheese-like structured bulk carbon with nanoholes. Our electrochemical tests show this cheese-like bulk carbon with nanoholes has a high specific capacity and good cycling performance and rate stability when evaluated as an anode material for lithium-ion batteries. Meanwhile, the electrochemical performances as an anode material for a sodium-ion battery are also displayed for comparison.
机译：通过使用蒸馏水作为绿色清洁“腐蚀性剂”，通过简单的退火方法成功地制造了纳米孔的奶酪样块碳。 X射线衍射和SEM图像显示退火后煮沸蛋清的分解产物是批量碳，含有NaCl和Kcl，具有痕量的氮掺杂。 超声洗涤和离心后，将蒸馏水完全除去块状碳的NaCl和KCl纳米晶体，并保留空间，最终导致形成含有纳米孔的乳酪状结构化块状碳。 我们的电化学试验显示了与纳米孔的奶酪样块碳，具有高特定容量和良好的循环性能，并且当作为锂离子电池的阳极材料评估时，速度稳定性。 同时，还显示了作为钠离子电池的阳极材料的电化学性能以进行比较。

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  • 来源
    《RSC Advances》 |2016年第84期|共8页
  • 作者

    Liu Xudong; Wen Mingming; Zhao Yanming; Dong Youzhong; Fan Qinghua; Kuang Quan; Li Qidong;

  • 作者单位

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    South China Univ Technol Sch Phys Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat &

    Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Phys Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Phys Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Phys Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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