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Scalable submicron/micron silicon particles stabilized in a robust graphite-carbon architecture for enhanced lithium storage.

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Title: Scalable submicron/micron silicon particles stabilized in a robust graphite-carbon architecture for enhanced lithium storage.
Authors: Mu, Tiansheng1 (AUTHOR), Zhang, Zhiguo1 (AUTHOR), Li, Qin1 (AUTHOR), Lou, Shuaifeng1 (AUTHOR), Zuo, Pengjian1 (AUTHOR), Du, Chunyu1 (AUTHOR), Yin, Geping1 (AUTHOR) yingeping@hit.edu.cn
Source: Journal of Colloid & Interface Science. Nov2019, Vol. 555, p783-790. 8p.
Subjects: Architecture, Graphite, Silicon, Particles, Lithium-ion batteries, Nanosilicon
Abstract: Silicon-carbon composite is recognized as one of the most promising next-generation anodes for high-energy lithium-ion batteries, especially silicon-graphite composites. Herein, cost-efficient and scalable submicron/micron silicon particles are stabilized in a robust graphite-carbon architecture by solid-phase ball milling and liquid-phase coating methods. The obtained silicon-graphite-carbon composite with a stable encapsulated sandwich-like architecture exhibits impressive lithium storage performance, including high initial Coulombic efficiency of 83.7%, outstanding cycle stability and remarkable rate capability. Even at high loadings of 4 mg cm−2, it still exhibits great reversible capacity with 620 mA h g−1 after 100 cycles at 0.2 C. Furthermore, 8 wt% silicon-graphite-carbon composites as additives are applied into the full cell with a designed capacity of 1000 mA h, and the full cell displays superior cycle stability with high capacity retention of 85% after 100 cycles. In addition, the scalable and low-cost preparation makes it enormous application value and huge commercial prospect. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Colloid & Interface Science is the property of Academic Press Inc. 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: 138779460
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Scalable submicron/micron silicon particles stabilized in a robust graphite-carbon architecture for enhanced lithium storage.
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  Data: <searchLink fieldCode="AR" term="%22Mu%2C+Tiansheng%22">Mu, Tiansheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zhiguo%22">Zhang, Zhiguo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Qin%22">Li, Qin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lou%2C+Shuaifeng%22">Lou, Shuaifeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zuo%2C+Pengjian%22">Zuo, Pengjian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Chunyu%22">Du, Chunyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yin%2C+Geping%22">Yin, Geping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yingeping@hit.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Colloid+%26+Interface+Science%22">Journal of Colloid & Interface Science</searchLink>. Nov2019, Vol. 555, p783-790. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Architecture%22">Architecture</searchLink><br /><searchLink fieldCode="DE" term="%22Graphite%22">Graphite</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon%22">Silicon</searchLink><br /><searchLink fieldCode="DE" term="%22Particles%22">Particles</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Nanosilicon%22">Nanosilicon</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Silicon-carbon composite is recognized as one of the most promising next-generation anodes for high-energy lithium-ion batteries, especially silicon-graphite composites. Herein, cost-efficient and scalable submicron/micron silicon particles are stabilized in a robust graphite-carbon architecture by solid-phase ball milling and liquid-phase coating methods. The obtained silicon-graphite-carbon composite with a stable encapsulated sandwich-like architecture exhibits impressive lithium storage performance, including high initial Coulombic efficiency of 83.7%, outstanding cycle stability and remarkable rate capability. Even at high loadings of 4 mg cm−2, it still exhibits great reversible capacity with 620 mA h g−1 after 100 cycles at 0.2 C. Furthermore, 8 wt% silicon-graphite-carbon composites as additives are applied into the full cell with a designed capacity of 1000 mA h, and the full cell displays superior cycle stability with high capacity retention of 85% after 100 cycles. In addition, the scalable and low-cost preparation makes it enormous application value and huge commercial prospect. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Colloid & Interface Science is the property of Academic Press Inc. 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.jcis.2019.07.110
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 783
    Subjects:
      – SubjectFull: Architecture
        Type: general
      – SubjectFull: Graphite
        Type: general
      – SubjectFull: Silicon
        Type: general
      – SubjectFull: Particles
        Type: general
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Nanosilicon
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      – TitleFull: Scalable submicron/micron silicon particles stabilized in a robust graphite-carbon architecture for enhanced lithium storage.
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            NameFull: Mu, Tiansheng
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            NameFull: Zhang, Zhiguo
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            NameFull: Li, Qin
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            NameFull: Lou, Shuaifeng
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            NameFull: Zuo, Pengjian
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            NameFull: Du, Chunyu
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            – D: 01
              M: 11
              Text: Nov2019
              Type: published
              Y: 2019
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              Value: 555
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            – TitleFull: Journal of Colloid & Interface Science
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