Synergetic Effects of Inorganic Components in Solid Electrolyte Interphase on High Cycle Efficiency of Lithium Ion Batteries

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

doi:10.1021/acs.nanolett.5b05283

Synergetic Effects of Inorganic Components in Solid Electrolyte Interphase on High Cycle Efficiency of Lithium Ion Batteries

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

Research output: Contribution to journal › Article › peer-review

363 Scopus citations

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), provide both mechanical and chemical protection, meanwhile control lithium ion transport. Although both Li₂CO₃ and LiF have relatively low ionic conductivity, we found, surprisingly, 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 language	English
Pages (from-to)	2011-2016
Number of pages	6
Journal	Nano Letters
Volume	16
Issue number	3
DOIs	https://doi.org/10.1021/acs.nanolett.5b05283
State	Published - Mar 9 2016

Bibliographical note

Publisher Copyright:
© 2016 American Chemical Society.

Keywords

LiF/LiCO interface
Lithium ion batteries
electron leakage
ionic conduction
solid electrolyte interphase
space charge

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/acs.nanolett.5b05283

Cite this

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title = "Synergetic Effects of Inorganic Components in Solid Electrolyte Interphase on High Cycle Efficiency of Lithium Ion Batteries",

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), provide both mechanical and chemical protection, meanwhile control lithium ion transport. Although both Li2CO3 and LiF have relatively low ionic conductivity, we found, surprisingly, 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.",

keywords = "LiF/LiCO interface, Lithium ion batteries, electron leakage, ionic conduction, solid electrolyte interphase, space charge",

author = "Qinglin Zhang and Jie Pan and Peng Lu and Zhongyi Liu and Verbrugge, {Mark W.} and Sheldon, {Brian W.} and Cheng, {Yang Tse} and Yue Qi and Xingcheng Xiao",

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doi = "10.1021/acs.nanolett.5b05283",

language = "English",

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T1 - Synergetic Effects of Inorganic Components in Solid Electrolyte Interphase on High Cycle Efficiency of Lithium Ion Batteries

AU - Zhang, Qinglin

AU - Pan, Jie

AU - Lu, Peng

AU - Liu, Zhongyi

AU - Verbrugge, Mark W.

AU - Sheldon, Brian W.

AU - Cheng, Yang Tse

AU - Qi, Yue

AU - Xiao, Xingcheng

PY - 2016/3/9

Y1 - 2016/3/9

N2 - 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), provide both mechanical and chemical protection, meanwhile control lithium ion transport. Although both Li2CO3 and LiF have relatively low ionic conductivity, we found, surprisingly, 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.

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), provide both mechanical and chemical protection, meanwhile control lithium ion transport. Although both Li2CO3 and LiF have relatively low ionic conductivity, we found, surprisingly, 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.

KW - LiF/LiCO interface

KW - Lithium ion batteries

KW - electron leakage

KW - ionic conduction

KW - solid electrolyte interphase

KW - space charge

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JO - Nano Letters

JF - Nano Letters

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ER -

Synergetic Effects of Inorganic Components in Solid Electrolyte Interphase on High Cycle Efficiency of Lithium Ion Batteries

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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