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2-Phenylimidazole as an additive to prevent the co-intercalation of propylene carbonate in organic electrolyte for lithium-ion batteries

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Title: 2-Phenylimidazole as an additive to prevent the co-intercalation of propylene carbonate in organic electrolyte for lithium-ion batteries
Authors: Wang, B.1, Qu, Q.T.1, Yang, L.C.1, Xia, Q.1, Wu, Y.P.1 wuyp@fudan.edu.cn, Zhou, D.L.2, Gu, X.J.2, van Ree, T.3 Teuns.VanRee@univen.ac.za
Source: Journal of Power Sources. Apr2009, Vol. 189 Issue 1, p757-760. 4p.
Subjects: Battery additives, Imidazoles, Propylene carbonate, Electrolytes, Lithium-ion batteries, Interfaces (Physical sciences), Anodes, Graphite
Abstract: Abstract: 2-Phenylimidazole (PID), which is structurally different from previously reported compounds, has been studied as a film-forming additive for graphite anode in PC-based electrolyte for lithium-ion batteries. A 1.0moll−1 LiPF6/PC: DMC (1:1, v/v) electrolyte containing 3wt.% 2-phenylimidazole was capable of suppressing the co-intercalation of PC and inhibiting the decomposition of electrolytes during the first lithium intercalation. The cyclic voltammogram shows that the reduction potential of PID is about 1.65V vs. Li/Li+, forming a favorable solid electrolyte interface (SEI) on the graphite electrode. The morphologies and the chemical composition of the graphite electrode surface were characterized by SEM and XPS. The results show that a stable SEI film was formed on the surface of graphite by the addition of PID, which accounts for the excellent cycleability of the graphite electrode in PC-based electrolyte. [Copyright &y& Elsevier]
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
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Header DbId: egs
DbLabel: Engineering Source
An: 37159357
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: 2-Phenylimidazole as an additive to prevent the co-intercalation of propylene carbonate in organic electrolyte for lithium-ion batteries
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+B%2E%22">Wang, B.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Qu%2C+Q%2ET%2E%22">Qu, Q.T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang%2C+L%2EC%2E%22">Yang, L.C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xia%2C+Q%2E%22">Xia, Q.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wu%2C+Y%2EP%2E%22">Wu, Y.P.</searchLink><relatesTo>1</relatesTo><i> wuyp@fudan.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+D%2EL%2E%22">Zhou, D.L.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Gu%2C+X%2EJ%2E%22">Gu, X.J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22van+Ree%2C+T%2E%22">van Ree, T.</searchLink><relatesTo>3</relatesTo><i> Teuns.VanRee@univen.ac.za</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Power+Sources%22">Journal of Power Sources</searchLink>. Apr2009, Vol. 189 Issue 1, p757-760. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Battery+additives%22">Battery additives</searchLink><br /><searchLink fieldCode="DE" term="%22Imidazoles%22">Imidazoles</searchLink><br /><searchLink fieldCode="DE" term="%22Propylene+carbonate%22">Propylene carbonate</searchLink><br /><searchLink fieldCode="DE" term="%22Electrolytes%22">Electrolytes</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Interfaces+%28Physical+sciences%29%22">Interfaces (Physical sciences)</searchLink><br /><searchLink fieldCode="DE" term="%22Anodes%22">Anodes</searchLink><br /><searchLink fieldCode="DE" term="%22Graphite%22">Graphite</searchLink>
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  Data: Abstract: 2-Phenylimidazole (PID), which is structurally different from previously reported compounds, has been studied as a film-forming additive for graphite anode in PC-based electrolyte for lithium-ion batteries. A 1.0moll−1 LiPF6/PC: DMC (1:1, v/v) electrolyte containing 3wt.% 2-phenylimidazole was capable of suppressing the co-intercalation of PC and inhibiting the decomposition of electrolytes during the first lithium intercalation. The cyclic voltammogram shows that the reduction potential of PID is about 1.65V vs. Li/Li+, forming a favorable solid electrolyte interface (SEI) on the graphite electrode. The morphologies and the chemical composition of the graphite electrode surface were characterized by SEM and XPS. The results show that a stable SEI film was formed on the surface of graphite by the addition of PID, which accounts for the excellent cycleability of the graphite electrode in PC-based electrolyte. [Copyright &y& Elsevier]
– 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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        Value: 10.1016/j.jpowsour.2008.08.021
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 757
    Subjects:
      – SubjectFull: Battery additives
        Type: general
      – SubjectFull: Imidazoles
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      – SubjectFull: Propylene carbonate
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      – SubjectFull: Electrolytes
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      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Interfaces (Physical sciences)
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      – SubjectFull: Anodes
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      – SubjectFull: Graphite
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      – TitleFull: 2-Phenylimidazole as an additive to prevent the co-intercalation of propylene carbonate in organic electrolyte for lithium-ion batteries
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              Text: Apr2009
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              Y: 2009
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