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Synthesis of coral-like Fe2N@C nanoparticles and application in sodium ion batteries as a novel anode electrode material

机译：珊瑚样Fe2N @ C纳米颗粒的合成及其在钠离子电池中的应用作为新型阳极电极材料

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摘要

Fast development of low-cost sodium ion batteries (SIBs) has boosted research efforts to identify proper anode materials, and now more attention is paid on carbon composites with better performance than simplex compounds. According to the explored different kinds of anode materials for SIBs in the past, only a few works are about transition metal nitrides. Herein a carbon-coated iron nitride was synthesized and applied for the first time in sodium ion batteries (SIBs), and the primary mechanism was detected via in situ XRD confirming Fe2N activity during discharge in SIBs. Fe2N nanoparticles as anodes in SIBs showed better stability than most of the materials reported in SIBs. The cycling performance of the synthesized coral-like Fe2N@C nanoparticles was significantly promoted compared to the pure nitride, and the improved performance of the carbon coated coral-like Fe2N suggests that more explorations about nitride electrode materials for SIBs are needed.
机译：快速发展低成本钠离子电池（SIBS）已经提高了识别适当阳极材料的研究努力，现在更多地关注碳复合材料，具有比单纯形化合物更好的性能。 根据过去的SIBS探索的不同种类的阳极材料，只有少数作品是关于过渡金属氮化物。 本文合成了碳涂覆的铁氮化物并在钠离子电池（SIB）中首次施加，并且通过原位XRD在SIBs排出期间通过原位XRD检测初级机制。 由于SIBs中阳极的Fe2N纳米颗粒显示出比SIBs中报道的大部分材料更好的稳定性。 与纯氮化物相比，显着促进了合成的珊瑚状Fe2N @ C纳米颗粒的循环性能，并且碳涂层珊瑚样Fe2N的改善性能表明需要对SIBs的氮化物电极材料进行更多的探索。

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  • 来源
    《RSC Advances》 |2016年第89期|共6页
  • 作者

    Liu Sailin; Liu Jun; Wang Wenjun; Yang Linyu; Zhu Kunjie; Wang Hao;

  • 作者单位

    Cent S Univ Sch Mat Sci &

    Engn Changsha 410083 Hunan Peoples R China;

    Cent S Univ Sch Mat Sci &

    Engn Changsha 410083 Hunan Peoples R China;

    Chinese Acad Sci Beijing Natl Lab Condensed Matter Phys Inst Phys Beijing 100190 Peoples R China;

    Cent S Univ Sch Mat Sci &

    Engn Changsha 410083 Hunan Peoples R China;

    Cent S Univ Sch Mat Sci &

    Engn Changsha 410083 Hunan Peoples R China;

    Cent S Univ Sch Mat Sci &

    Engn Changsha 410083 Hunan Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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