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Selectively accelerated lithium ion transport to silicon anodes via an organogel binder.

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Title: Selectively accelerated lithium ion transport to silicon anodes via an organogel binder.
Authors: Hwang, Chihyun1, Cho, Yoon-Gyo1, Kang, Na-Ri2,3, Ko, Younghoon1, Lee, Ungju4, Ahn, Dongjoon4, Kim, Ju-Young2,3,5, Kim, Young-Jin6, Song, Hyun-Kon1 philiphobi@hotmail.com
Source: Journal of Power Sources. Dec2015, Vol. 298, p8-13. 6p.
Subjects: Lithium-ion batteries, Silicon, Anodes, Binding agents, Electric conductivity, Cyanoethylation
Abstract: Silicon, a promising high-capacity anode material of lithium ion batteries, suffers from its volume expansion leading to pulverization and low conductivities, showing capacity decay during cycling and low capacities at fast charging and discharging. In addition to popular active-material-modifying strategies, building lithium-ion-rich environments around silicon surface is helpful in enhancing unsatisfactory performances of silicon anodes. In this work, we accelerated lithium ion transport to silicon surface by using an organogel binder to utilize the electroactivity of silicon in a more efficient way. The cyanoethyl polymer (PVA-CN), characterized by high lithium ion transference number as well as appropriate elastic modulus with strong adhesion, enhanced cycle stability of silicon anodes with high coulombic efficiency even at high temperature (60 °C) as well as at fast charging/discharging rates. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Power Sources 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
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 109493096
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Selectively accelerated lithium ion transport to silicon anodes via an organogel binder.
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  Data: <searchLink fieldCode="AR" term="%22Hwang%2C+Chihyun%22">Hwang, Chihyun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cho%2C+Yoon-Gyo%22">Cho, Yoon-Gyo</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kang%2C+Na-Ri%22">Kang, Na-Ri</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ko%2C+Younghoon%22">Ko, Younghoon</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lee%2C+Ungju%22">Lee, Ungju</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Ahn%2C+Dongjoon%22">Ahn, Dongjoon</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Kim%2C+Ju-Young%22">Kim, Ju-Young</searchLink><relatesTo>2,3,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Kim%2C+Young-Jin%22">Kim, Young-Jin</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Song%2C+Hyun-Kon%22">Song, Hyun-Kon</searchLink><relatesTo>1</relatesTo><i> philiphobi@hotmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Power+Sources%22">Journal of Power Sources</searchLink>. Dec2015, Vol. 298, p8-13. 6p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon%22">Silicon</searchLink><br /><searchLink fieldCode="DE" term="%22Anodes%22">Anodes</searchLink><br /><searchLink fieldCode="DE" term="%22Binding+agents%22">Binding agents</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+conductivity%22">Electric conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Cyanoethylation%22">Cyanoethylation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Silicon, a promising high-capacity anode material of lithium ion batteries, suffers from its volume expansion leading to pulverization and low conductivities, showing capacity decay during cycling and low capacities at fast charging and discharging. In addition to popular active-material-modifying strategies, building lithium-ion-rich environments around silicon surface is helpful in enhancing unsatisfactory performances of silicon anodes. In this work, we accelerated lithium ion transport to silicon surface by using an organogel binder to utilize the electroactivity of silicon in a more efficient way. The cyanoethyl polymer (PVA-CN), characterized by high lithium ion transference number as well as appropriate elastic modulus with strong adhesion, enhanced cycle stability of silicon anodes with high coulombic efficiency even at high temperature (60 °C) as well as at fast charging/discharging rates. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Power Sources 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:
  BibEntity:
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      – Type: doi
        Value: 10.1016/j.jpowsour.2015.08.017
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 6
        StartPage: 8
    Subjects:
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Silicon
        Type: general
      – SubjectFull: Anodes
        Type: general
      – SubjectFull: Binding agents
        Type: general
      – SubjectFull: Electric conductivity
        Type: general
      – SubjectFull: Cyanoethylation
        Type: general
    Titles:
      – TitleFull: Selectively accelerated lithium ion transport to silicon anodes via an organogel binder.
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            NameFull: Hwang, Chihyun
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            NameFull: Cho, Yoon-Gyo
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            NameFull: Kang, Na-Ri
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            NameFull: Ko, Younghoon
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            NameFull: Lee, Ungju
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            NameFull: Ahn, Dongjoon
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            NameFull: Kim, Ju-Young
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            – D: 01
              M: 12
              Text: Dec2015
              Type: published
              Y: 2015
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            – Type: issn-print
              Value: 03787753
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            – Type: volume
              Value: 298
          Titles:
            – TitleFull: Journal of Power Sources
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