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Effect of poly(acrylic acid) binder on the stability of sulfur‐enriched crystalline Mo3S13 clusters for high capacity of Li‐ion batteries.

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Title: Effect of poly(acrylic acid) binder on the stability of sulfur‐enriched crystalline Mo3S13 clusters for high capacity of Li‐ion batteries.
Authors: Lee, Hae Ri1 (AUTHOR), Lee, Youn‐Ki2,3 (AUTHOR), Park, Gwan Gyu1 (AUTHOR), Lee, Sungho2,4 (AUTHOR), Joh, Han‐Ik1 (AUTHOR) hijoh@konkuk.ac.kr
Source: International Journal of Energy Research. Aug2022, Vol. 46 Issue 10, p13476-13486. 11p.
Subjects: Lithium-ion batteries, Desulfurization, Energy density, Intercalation reactions, Isopropyl alcohol, Molybdenum sulfides, Acrylic acid
Abstract: Summary: Molybdenum sulfide (MoSx)‐based materials have been extensively studied as a potential alternative of low‐capacity graphite anode, owing to their remarkable capacity through intercalation and conversion reactions. However, these materials should be electrochemically activated at a low potential in first discharge and simultaneously degrade, owing to their inert basal plane and unstable sulfur configuration, respectively, leading to unexpectedly low performance. Hence, it is necessary to apply sulfur‐enriched crystalline Mo3S13 clusters as an anode material to increase the number of active sites and energy densities. Unlike MoS2 possessing only terminal sulfur, Mo3S13 clusters have higher sulfur content with various and stable configuration in their structure, which can act as additional active sulfur sites. To realize an electrode with high energy density, we used the Mo3S13 clusters without any carbon supports as active materials. In the electrode preparation, we confirmed that employing poly(acrylic acid) and isopropyl alcohol as a binder and solvent, respectively, was appropriate for retaining the cluster crystallinity, resulting in the enhanced cycling stability. The Mo3S13 cluster‐based electrode as a carbon‐free electrode exhibited capacity of 1192 mAh g−1 at 0.1 A g−1 and good C‐rate capability. The significant capacity variation with the selective removal of sulfur configuration in Mo3S13 clusters indicates that the increased sulfur contents were provided as additional sources for (de)lithiation. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Energy Research is the property of Wiley-Blackwell 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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DbLabel: Engineering Source
An: 158066854
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Effect of poly(acrylic acid) binder on the stability of sulfur‐enriched crystalline Mo<subscript>3</subscript>S<subscript>13</subscript> clusters for high capacity of Li‐ion batteries.
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  Data: <searchLink fieldCode="AR" term="%22Lee%2C+Hae+Ri%22">Lee, Hae Ri</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lee%2C+Youn‐Ki%22">Lee, Youn‐Ki</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Park%2C+Gwan+Gyu%22">Park, Gwan Gyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lee%2C+Sungho%22">Lee, Sungho</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Joh%2C+Han‐Ik%22">Joh, Han‐Ik</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hijoh@konkuk.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Energy+Research%22">International Journal of Energy Research</searchLink>. Aug2022, Vol. 46 Issue 10, p13476-13486. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Desulfurization%22">Desulfurization</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+density%22">Energy density</searchLink><br /><searchLink fieldCode="DE" term="%22Intercalation+reactions%22">Intercalation reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Isopropyl+alcohol%22">Isopropyl alcohol</searchLink><br /><searchLink fieldCode="DE" term="%22Molybdenum+sulfides%22">Molybdenum sulfides</searchLink><br /><searchLink fieldCode="DE" term="%22Acrylic+acid%22">Acrylic acid</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Summary: Molybdenum sulfide (MoSx)‐based materials have been extensively studied as a potential alternative of low‐capacity graphite anode, owing to their remarkable capacity through intercalation and conversion reactions. However, these materials should be electrochemically activated at a low potential in first discharge and simultaneously degrade, owing to their inert basal plane and unstable sulfur configuration, respectively, leading to unexpectedly low performance. Hence, it is necessary to apply sulfur‐enriched crystalline Mo3S13 clusters as an anode material to increase the number of active sites and energy densities. Unlike MoS2 possessing only terminal sulfur, Mo3S13 clusters have higher sulfur content with various and stable configuration in their structure, which can act as additional active sulfur sites. To realize an electrode with high energy density, we used the Mo3S13 clusters without any carbon supports as active materials. In the electrode preparation, we confirmed that employing poly(acrylic acid) and isopropyl alcohol as a binder and solvent, respectively, was appropriate for retaining the cluster crystallinity, resulting in the enhanced cycling stability. The Mo3S13 cluster‐based electrode as a carbon‐free electrode exhibited capacity of 1192 mAh g−1 at 0.1 A g−1 and good C‐rate capability. The significant capacity variation with the selective removal of sulfur configuration in Mo3S13 clusters indicates that the increased sulfur contents were provided as additional sources for (de)lithiation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Energy Research is the property of Wiley-Blackwell 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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        Value: 10.1002/er.8068
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 13476
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      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Desulfurization
        Type: general
      – SubjectFull: Energy density
        Type: general
      – SubjectFull: Intercalation reactions
        Type: general
      – SubjectFull: Isopropyl alcohol
        Type: general
      – SubjectFull: Molybdenum sulfides
        Type: general
      – SubjectFull: Acrylic acid
        Type: general
    Titles:
      – TitleFull: Effect of poly(acrylic acid) binder on the stability of sulfur‐enriched crystalline Mo3S13 clusters for high capacity of Li‐ion batteries.
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            NameFull: Lee, Hae Ri
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            NameFull: Lee, Youn‐Ki
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            NameFull: Park, Gwan Gyu
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            NameFull: Lee, Sungho
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            NameFull: Joh, Han‐Ik
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            – D: 01
              M: 08
              Text: Aug2022
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              Y: 2022
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