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.

LanguageEnglish (US)
Title of host publicationBattery Congress 2016
PublisherGlobal Automotive Management Council
ISBN (Electronic)9781510825635
StatePublished - 2016
EventBattery Congress 2016 - Troy, United States
Duration: May 16 2016May 18 2016

Other

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

Profile

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

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, 5/16/16.
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.
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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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