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A three-dimensional silicon/nitrogen-doped graphitized carbon composite as high-performance anode material for lithium ion batteries.

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Title: A three-dimensional silicon/nitrogen-doped graphitized carbon composite as high-performance anode material for lithium ion batteries.
Authors: Mu, Tiansheng1, Zuo, Pengjian1, Lou, Shuaifeng1 shuaifeng.lou@hit.edu.cn, Pan, Qingrui1, Zhang, Han1, Du, Chunyu1, Gao, Yunzhi1, Cheng, Xinqun1, Ma, Yulin1, Huo, Hua1, Yin, Geping1 yingeping@hit.edu.cn
Source: Journal of Alloys & Compounds. Mar2019, Vol. 777, p190-197. 8p.
Subjects: Silicon, Energy density, Electrodes, Lithium, Lithium-ion batteries
Abstract: Abstract The three-dimensional conductive skeleton plays an important role for silicon-based anode materials to achieve good electrochemical performance in lithium ion batteries with high energy density. Here, we prepared a three-dimensional silicon/N-doped graphitized carbon composite (3D Si/NGC) from ZIF-67 precursor by magnesiothermic reduction reaction. The N-doped and graphitized conductive carbon acts as a robust three-dimensional configuration for the silicon nanoparticles, not only improving the conductivity of electrode, but also buffering the volume expansion of silicon nanoparticles. The 3D Si/NGC electrode exhibits good long-term cycle stability and impressive rate performance, delivering reversible capacity of 900 mA h g−1 at 0.2 A g−1 after 300 cycles with a capacity retention of 85.5% and a high discharge capacity of 880 mA h g−1 at 1 A g−1. The 3D Si/NGC with good electrochemical performance shows great potential as the next generation anode material for lithium ion batteries. Graphical abstract Image 1 Highlights • 3D Si/NGC composite derived from ZIF-67 is prepared by the magnesiothermic reduction. • Si/NGC composite displays a robust porous three-dimensional structure. • The N-doping and the graphitization enhance the electronic conductivity of composite. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 133870894
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: A three-dimensional silicon/nitrogen-doped graphitized carbon composite as high-performance anode material for lithium ion batteries.
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  Data: <searchLink fieldCode="AR" term="%22Mu%2C+Tiansheng%22">Mu, Tiansheng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zuo%2C+Pengjian%22">Zuo, Pengjian</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lou%2C+Shuaifeng%22">Lou, Shuaifeng</searchLink><relatesTo>1</relatesTo><i> shuaifeng.lou@hit.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Pan%2C+Qingrui%22">Pan, Qingrui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Han%22">Zhang, Han</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Du%2C+Chunyu%22">Du, Chunyu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gao%2C+Yunzhi%22">Gao, Yunzhi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Xinqun%22">Cheng, Xinqun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ma%2C+Yulin%22">Ma, Yulin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Huo%2C+Hua%22">Huo, Hua</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yin%2C+Geping%22">Yin, Geping</searchLink><relatesTo>1</relatesTo><i> yingeping@hit.edu.cn</i>
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Mar2019, Vol. 777, p190-197. 8p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Silicon%22">Silicon</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+density%22">Energy density</searchLink><br /><searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium%22">Lithium</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract The three-dimensional conductive skeleton plays an important role for silicon-based anode materials to achieve good electrochemical performance in lithium ion batteries with high energy density. Here, we prepared a three-dimensional silicon/N-doped graphitized carbon composite (3D Si/NGC) from ZIF-67 precursor by magnesiothermic reduction reaction. The N-doped and graphitized conductive carbon acts as a robust three-dimensional configuration for the silicon nanoparticles, not only improving the conductivity of electrode, but also buffering the volume expansion of silicon nanoparticles. The 3D Si/NGC electrode exhibits good long-term cycle stability and impressive rate performance, delivering reversible capacity of 900 mA h g−1 at 0.2 A g−1 after 300 cycles with a capacity retention of 85.5% and a high discharge capacity of 880 mA h g−1 at 1 A g−1. The 3D Si/NGC with good electrochemical performance shows great potential as the next generation anode material for lithium ion batteries. Graphical abstract Image 1 Highlights • 3D Si/NGC composite derived from ZIF-67 is prepared by the magnesiothermic reduction. • Si/NGC composite displays a robust porous three-dimensional structure. • The N-doping and the graphitization enhance the electronic conductivity of composite. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jallcom.2018.10.177
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 190
    Subjects:
      – SubjectFull: Silicon
        Type: general
      – SubjectFull: Energy density
        Type: general
      – SubjectFull: Electrodes
        Type: general
      – SubjectFull: Lithium
        Type: general
      – SubjectFull: Lithium-ion batteries
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    Titles:
      – TitleFull: A three-dimensional silicon/nitrogen-doped graphitized carbon composite as high-performance anode material for lithium ion batteries.
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            NameFull: Mu, Tiansheng
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            – D: 10
              M: 03
              Text: Mar2019
              Type: published
              Y: 2019
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