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Nitrogen-sulfur dual-doped porous carbon spheres/sulfur composites for high-performance lithium-sulfur batteries

机译：用于高性能锂 - 硫磺电池的氮硫双掺杂多孔碳球/硫复合材料

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摘要

A nitrogen-sulfur dual-doped porous carbon spheres/sulfur composite (PCS-NS/S) sample was prepared by a simple hydrothermal method with starch and L-methionine as carbon and nitrogen-sulfur resources, respectively. XRD, XPS, and N2 adsorption-desorption tests were used to characterize the crystal and pore structure of the PCS-NS/S sample. The morphology and weight ratio of sulfur were investigated by SEM, TEM, and TG analyses. The sample was used as the positive electrode for lithiumsulfur batteries and found to exhibit excellent electrochemical performance.
机译：通过用淀粉和L-甲硫氨酸作为碳和氮气资源，通过简单的水热法制备氮 - 硫双掺杂多孔碳球/硫复合物（PCS-NS / S）样品。 XRD，XPS和N2吸附 - 解吸试验用于表征PCS-NS / S样品的晶体和孔结构。 通过SEM，TEM和TG分析研究了硫的形态和重量比。 将样品用作锂硫磺电池的正极，发现表现出优异的电化学性能。

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  • 来源
    《RSC Advances》 |2019年第29期|共7页
  • 作者

    Zhao Liping; Liu Gang; Zhang Peng; Sun Liqun; Cong Lina; Wu Tong; Zhang Bohao; Lu Wei; Xie Haiming; Wang Hongyu;

  • 作者单位

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Jilin Engn Normal Univ Inst Chem &

    Ind Bioengn Changchun 130052 Jilin Peoples R China;

    Jilin Engn Normal Univ Inst Chem &

    Ind Bioengn Changchun 130052 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Natl &

    Local United Engn Lab Power Battery Changchun 130024 Jilin Peoples R China;

    Chinese Acad Sci State Key Lab Electrochem Chem Changchun Inst Appl Chem 5625 Renmin St Changchun 130022 Jilin Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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