Ion Pair Integrated Organic-Inorganic Hybrid Electrolyte Network for Solid-State Lithium Ion Batteries

Guang Yang, Baoyan Fan, Feihua Liu, Fangzhou Yao, Qing Wang

Research output: Contribution to journalArticle

Abstract

A class of organic-inorganic hybrid electrolyte with ion pair integrated network (X-POSS-IL-LiTFSI) has been prepared by crosslinking of oligomeric octasilsesquioxanes grafted with imidazolium-based ionic liquids for solid state lithium ion battery applications. X-POSS-IL-LiTFSI is thermally stable and highly amorphous, and shows high ionic conductivities and excellent electrochemical stability. With further immobilization of a small fraction of ionic liquid, the ionic conductivity of X-POSS-IL-LiTFSI has been significantly improved, e. g. 1.4×10−4 S/cm at ambinet temperature, to the level required by the practical battery applications, while maintaining the demensional integity. The coin cells of lithium batteries with the plasticized X-POSS-IL-LiTFSI electrolytes exhibit high specific capacities at both ambient and elevated temperatures.

Original languageEnglish (US)
Pages (from-to)2319-2325
Number of pages7
JournalEnergy Technology
Volume6
Issue number12
DOIs
StatePublished - Dec 2018

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Ionic conductivity
Ionic liquids
Electrolytes
Lithium batteries
Ions
Crosslinking
Temperature
Lithium-ion batteries

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Yang, Guang ; Fan, Baoyan ; Liu, Feihua ; Yao, Fangzhou ; Wang, Qing. / Ion Pair Integrated Organic-Inorganic Hybrid Electrolyte Network for Solid-State Lithium Ion Batteries. In: Energy Technology. 2018 ; Vol. 6, No. 12. pp. 2319-2325.
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abstract = "A class of organic-inorganic hybrid electrolyte with ion pair integrated network (X-POSS-IL-LiTFSI) has been prepared by crosslinking of oligomeric octasilsesquioxanes grafted with imidazolium-based ionic liquids for solid state lithium ion battery applications. X-POSS-IL-LiTFSI is thermally stable and highly amorphous, and shows high ionic conductivities and excellent electrochemical stability. With further immobilization of a small fraction of ionic liquid, the ionic conductivity of X-POSS-IL-LiTFSI has been significantly improved, e. g. 1.4×10−4 S/cm at ambinet temperature, to the level required by the practical battery applications, while maintaining the demensional integity. The coin cells of lithium batteries with the plasticized X-POSS-IL-LiTFSI electrolytes exhibit high specific capacities at both ambient and elevated temperatures.",
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Ion Pair Integrated Organic-Inorganic Hybrid Electrolyte Network for Solid-State Lithium Ion Batteries. / Yang, Guang; Fan, Baoyan; Liu, Feihua; Yao, Fangzhou; Wang, Qing.

In: Energy Technology, Vol. 6, No. 12, 12.2018, p. 2319-2325.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Ion Pair Integrated Organic-Inorganic Hybrid Electrolyte Network for Solid-State Lithium Ion Batteries

AU - Yang, Guang

AU - Fan, Baoyan

AU - Liu, Feihua

AU - Yao, Fangzhou

AU - Wang, Qing

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AB - A class of organic-inorganic hybrid electrolyte with ion pair integrated network (X-POSS-IL-LiTFSI) has been prepared by crosslinking of oligomeric octasilsesquioxanes grafted with imidazolium-based ionic liquids for solid state lithium ion battery applications. X-POSS-IL-LiTFSI is thermally stable and highly amorphous, and shows high ionic conductivities and excellent electrochemical stability. With further immobilization of a small fraction of ionic liquid, the ionic conductivity of X-POSS-IL-LiTFSI has been significantly improved, e. g. 1.4×10−4 S/cm at ambinet temperature, to the level required by the practical battery applications, while maintaining the demensional integity. The coin cells of lithium batteries with the plasticized X-POSS-IL-LiTFSI electrolytes exhibit high specific capacities at both ambient and elevated temperatures.

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