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首页> 外文期刊>Chemistry: A European journal >Facile Synthesis of Ultra-Small Few-Layer Nanostructured MoSe_2 Embedded on N, P Co-Doped Bio-Carbon for High-Performance Half/Full Sodium-Ion and Potassium-Ion Batteries
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Facile Synthesis of Ultra-Small Few-Layer Nanostructured MoSe_2 Embedded on N, P Co-Doped Bio-Carbon for High-Performance Half/Full Sodium-Ion and Potassium-Ion Batteries

机译：用于高性能半/全钠离子和钾离子电池的N

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摘要

Sodium/potassium-ion batteries (SIBs/PIBs) arouse intensive interest on account of the natural abundance of sodium/potassium resources, the competitive cost and appropriate redox potential. Nevertheless, the huge challenge for SIBs/PIBs lies in the scarcity of an anode material with high capacity and stable structure, which are capable of accommodating large-size ions during cycling. Furthermore, using sustainable natural biomass to fabricate electrodes for energy storage applications is a hot topic. Herein, an ultrasmall few-layer nanostructured MoSe_2 embedded on N, P co-doped bio-carbon is reported, which is synthesized by using chlorella as the adsorbent and precursor. As a consequence, the MoSe_2/NP-C-2 composite represents exceedingly impressive electrochemical performance for both sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs). It displays a promising reversible capacity (523 mAhg~(-1) at 100 mAg~(-1) after 100 cycles) and impressive long-term cycling performance (192 mAhg~(-1) at 5 Ag~(-1) even after 1000 cycles) in SIBs, which are some of the best properties of MoSe_2-based anode materials for SIBs to date. To further probe the great potential applications, full SIBs pairing the MoSe_2/NP-C-2 composite anode with a Na_3V_2(PO_4)_3 cathode also exhibits a satisfactory capacity of 215 mAhg~(-1) at 500 mAg~(-1) after 100 cycles. Moreover, it also delivers a decent reversible capacity of 131 mAhg~(-1) at 1 Ag~(-1) even after 250 cycles for PIBs.
机译：钠/钾离子电池（SIBS / PIB）由于钠/钾资源的天然丰富，竞争成本和适当的氧化还原潜力而引起密集的兴趣。尽管如此，SIBS / PIB的巨大挑战在于具有高容量和稳定结构的阳极材料的稀缺性，其能够在循环期间容纳大尺寸离子。此外，使用可持续的天然生物质来制造用于能量存储应用的电极是热门话题。这里，报道了嵌入N，P共掺杂生物碳上的超大少层纳米结构MOSE_2，其通过使用小球藻作为吸附剂和前体合成。结果，MOSE_2 / NP-C-2复合材料代表了钠离子电池（SIB）和钾离子电池（PIB）的极高的电化学性能。它在100个循环之后显示出有希望的可逆容量（523mAhg〜（-1），令人印象深刻的长期循环性能（192mAhg〜（-1），甚至在1000次循环之后）在SIB上，这是用于SIB的MOSE_2的阳极材料的一些最佳特性。为了进一步探测巨大的潜在应用，完全SIB与NA_3V_2（PO_4）_3阴极配对MOSE_2 / NP-C-2复合阳极也表现出500mAG〜（-1）的令人满意的215mAhg〜（-1） 100次循环后。此外，即使在250次PIBs后，它也在1Ag〜（-1）下提供131mAhg〜（-1）的不可逆转易容量。

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  • 来源
    《Chemistry: A European journal》 |2019年第58期|共11页
  • 作者

    Lingxing Zeng; Biyu Kang; Fenqiang Luo; Yixing Fang; Cheng Zheng; Junbin Liu; Renpin Liu; Xinye Li; Qinghua Chen; Mingdeng Wei; Qingrong Qian;

  • 作者单位

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials Fuzhou University Fuzhou Fujian 350002 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

    Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials Fuzhou University Fuzhou Fujian 350002 (P. R. China);

    Engineering Research Center of Polymer Green Recycling of Ministry of Education College of Environmental Science and Engineering Fujian Normal University Fuzhou Fujian 35007 (P. R. China);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    few-layer nanostructures; MoSe_2; N; P co-doped carbon; sodium/potassium-ion batteries; sustainable natural biomass;

    机译：少数纳米结构;MOSE_2;n;P共掺杂碳;钠/钾离子电池;可持续天然生物量;

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