Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries

Qinglin Zhang, Peng Lu, Zhongyi Liu, Mark W. Verbrugge, Xingcheng Xiao, Jie Pan, Yang Tse Cheng, Brian W. Sheldon, Yue Qi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The solid electrolyte interphase (SEI), a passivation layer formed on electrodes, is critical to battery performance and durability. The inorganic components in SEI, including lithium carbonate (Li2CO3) and lithium fluoride (LiF), provides both mechanical and chemical protection, meanwhile controls lithium ion transport. Although both Li2CO3 and LiF have relatively low ionic conductivity, we surprisingly found that the contact between Li2CO3 and LiF can promote space charge accumulation along their interfaces, which generates a higher ionic carrier concentration and significantly improves lithium ion transport and reduces electron leakage. The synergetic effect of the two inorganic components leads to high current efficiency and long cycle stability.

    Original languageEnglish (US)
    Title of host publicationBattery Congress 2016
    PublisherGlobal Automotive Management Council
    ISBN (Electronic)9781510825635
    StatePublished - 2016
    EventBattery Congress 2016 - Troy, United States

    Other

    OtherBattery Congress 2016
    CountryUnited States
    CityTroy
    Period5/16/165/18/16

    Profile

    Lithium
    Solid electrolytes
    Ions
    Ionic conductivity
    Electric space charge
    Passivation
    Carrier concentration
    Carbonates
    Durability
    Electrodes
    Electrons
    Lithium-ion batteries

    ASJC Scopus subject areas

    • Energy Engineering and Power Technology
    • Fuel Technology

    Cite this

    Zhang, Q., Lu, P., Liu, Z., Verbrugge, M. W., Xiao, X., Pan, J., ... Qi, Y. (2016). Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries. In Battery Congress 2016 Global Automotive Management Council.

    Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries. / Zhang, Qinglin; Lu, Peng; Liu, Zhongyi; Verbrugge, Mark W.; Xiao, Xingcheng; Pan, Jie; Cheng, Yang Tse; Sheldon, Brian W.; Qi, Yue.

    Battery Congress 2016. Global Automotive Management Council, 2016.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Zhang, Q, Lu, P, Liu, Z, Verbrugge, MW, Xiao, X, Pan, J, Cheng, YT, Sheldon, BW & Qi, Y 2016, Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries. in Battery Congress 2016. Global Automotive Management Council, Battery Congress 2016, Troy, United States, 16-18 May.
    Zhang Q, Lu P, Liu Z, Verbrugge MW, Xiao X, Pan J et al. Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries. In Battery Congress 2016. Global Automotive Management Council. 2016.

    Zhang, Qinglin; Lu, Peng; Liu, Zhongyi; Verbrugge, Mark W.; Xiao, Xingcheng; Pan, Jie; Cheng, Yang Tse; Sheldon, Brian W.; Qi, Yue / Synergetic effects of inorganic components in solid electrolyte interphase on high cycle efficiency of lithium ion batteries.

    Battery Congress 2016. Global Automotive Management Council, 2016.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    AU - Zhang,Qinglin

    AU - Lu,Peng

    AU - Liu,Zhongyi

    AU - Verbrugge,Mark W.

    AU - Xiao,Xingcheng

    AU - Pan,Jie

    AU - Cheng,Yang Tse

    AU - Sheldon,Brian W.

    AU - Qi,Yue

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    AB - The solid electrolyte interphase (SEI), a passivation layer formed on electrodes, is critical to battery performance and durability. The inorganic components in SEI, including lithium carbonate (Li2CO3) and lithium fluoride (LiF), provides both mechanical and chemical protection, meanwhile controls lithium ion transport. Although both Li2CO3 and LiF have relatively low ionic conductivity, we surprisingly found that the contact between Li2CO3 and LiF can promote space charge accumulation along their interfaces, which generates a higher ionic carrier concentration and significantly improves lithium ion transport and reduces electron leakage. The synergetic effect of the two inorganic components leads to high current efficiency and long cycle stability.

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