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首页> 外文期刊>RSC Advances >Mesopore-dominant nitrogen-doped carbon with a large defect degree and high conductivity via inherent hydroxyapatite-induced self-activation for lithium-ion batteries
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Mesopore-dominant nitrogen-doped carbon with a large defect degree and high conductivity via inherent hydroxyapatite-induced self-activation for lithium-ion batteries

机译：中孔 - 主要的氮气掺杂碳，通过固有的羟基磷灰石诱导的锂离子电池自激活具有大的缺陷度和高导电性

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摘要

In this study, N-doped mesopore-dominant carbon (NMC) materials were prepared using bio-waste tortoise shells as a carbon source via a one-step self-activation process. With intrinsic hydroxyapatites (HAPs) as natural templates to fulfill the synchronous carbonization and activation of the precursor, this highly efficient and time-saving method provides N-doped carbon materials that represent a large mesopore volume proportion of 74.59%, a high conductivity of 4382 m S-1, as well as larger defects, as demonstrated by Raman and XRD studies. These features make the NMC exhibit a high reversible lithium-storage capacity of 970 mA h g(-1) at 0.1 A g(-1), a strong rate capability of 818 mA h g(-1) at 2 A g(-1), and a good capacity of 831 mA h g(-1) after 500 cycles at 1 A g(-1). This study provides a highly efficient and feasible method to prepare renewable biomass-derived carbons as advanced electrode materials for the application of energy storage.
机译：在该研究中，使用一步自激活方法使用生物废龟壳作为碳源制备N掺杂的中孔 - 优势碳（NMC）材料。 具有固有羟基磷灰石（HAPS）作为天然模板来满足前体的同步碳化和激活，这种高效且省时的方法提供了N掺杂的碳材料，其代表大的中孔体积比例为74.59％，高导电率为4382 如拉曼和XRD研究所证明的，M S-1以及更大的缺陷。 这些特征使NMC在0.1Ag（-1）的970mA Hg（-1）上表现出高可逆锂储存容量，在2Ag（-1）时的强速率为818 mA hg（-1） ，在500℃（-1）下500次循环后，831 mA Hg（-1）的良好容量良好。 本研究提供了一种高效可行的方法，可以制备可再生生物质衍生的碳作为应用储能的先进电极材料。

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  • 来源
    《RSC Advances》 |2018年第22期|共7页
  • 作者

    Wang Hanwei; Sheng Chengmin; Cai Tailong; Jin Chunde; Sun Qingfeng; Wang Chao;

  • 作者单位

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

    Zhejiang A&

    F Univ Sch Engn Hangzhou 311300 Zhejiang Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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