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首页> 外文期刊>Advanced energy materials >Hard Carbon Microtubes Made from Renewable Cotton as High-Performance Anode Material for Sodium-Ion Batteries
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Hard Carbon Microtubes Made from Renewable Cotton as High-Performance Anode Material for Sodium-Ion Batteries

机译：硬碳微管由可再生棉制成，作为钠离子电池的高性能阳极材料

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摘要

Sodium-ion batteries (SIBs) have attracted more and more attention for scalable electrical energy storage due to the abundance and wide distribution of Na resources. However, the anode still remains a great challenge for the application of SIBs. Here the production of uniform hard carbon micro-tubes (HCTs) made from natural cotton through one simple carbonization process and their application as an anode are reported. The study shows that the electrochemical performance of the HCTs is seriously affected by the carbonization temperature due to the difference in their microstructure and heteroatomic content. The HCTs carbonized at 1300 degrees C deliver the highest reversible capacity of 315 mAh g(-1) and good rate capability due to their unique tubular structure. This contribution not only provides a new approach for the preparation of hard carbon materials with unique tubular microstructure using natural inspiration, but it also deepens the fundamental understanding of the sodium storage mechanism.
机译：由于NA资源的丰富和广泛分布，钠离子电池（SIBS）引起了可扩展的电能存储越来越多的关注。然而，阳极仍然是应用SIBS的巨大挑战。这里，报道了通过一种简单的碳化过程制成的均匀硬碳微管（HCT）通过一个简单的碳化过程及其作为阳极的应用。该研究表明，由于其微观结构和杂原子含量的差异，HCT的电化学性能受到碳化温度的严重影响。在1300℃下碳化的HCT可提供315mAhg（-1）的最高可逆容量，并且由于其独特的管状结构而具有良好的速率能力。这种贡献不仅提供了一种使用自然灵感的独特管状微观结构制备硬碳材料的新方法，但它也加深了对钠储存机制的根本理解。

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  • 来源
    《Advanced energy materials》 |2016年第18期|1600659.1-1600659.9|共9页
  • 作者

    Li Yunming; Hu Yong-Sheng; Titirici Maria-Magdalena; Chen Liquan; Huang Xuejie;

  • 作者单位

    Chinese Acad Sci Beijing Key Lab New Energy Mat & Devices Key Lab Renewable Energy Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Beijing Key Lab New Energy Mat & Devices Key Lab Renewable Energy Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Queen Mary Univ London Sch Engn & Mat Sci London E14 NS England|Queen Mary Univ London Mat Res Inst London E14 NS England;

    Chinese Acad Sci Beijing Key Lab New Energy Mat & Devices Key Lab Renewable Energy Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Beijing Key Lab New Energy Mat & Devices Key Lab Renewable Energy Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

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