Citation: Yan-Qing Zhao, Hong-Yu Wang, Li Qi, Gui-Tian Gao, Shu-Hua Ma. “Soggy sand polymer” composite nanofiber membrane electrolytes for lithium ion batteries[J]. Chinese Chemical Letters, ;2013, 24(11): 975-978. shu

“Soggy sand polymer” composite nanofiber membrane electrolytes for lithium ion batteries

Yan-Qing Zhao ^a,b ,
Hong-Yu Wang ^b ,
Li Qi ^b ,
Gui-Tian Gao ^a,, ,
Shu-Hua Ma ^c,,

1.
a School of Materials Science and Engineering, Jilin University, Changchun 130022, China;
2.
b State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
3.
c Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China

Corresponding author: Gui-Tian Gao, Shu-Hua Ma,
Received Date: 28 April 2013
Available Online: 7 June 2013

A kind of octanol-modifided silica nanoparticle was fabricated and employed as a framework to form "soggy sand" electrolyte along with 1-butyl-3-methylimidazolium tetrafluoroborate. "Soggy sand" and poly(vinylidene fluoride-hexafluoropropylene) composite electrolyte membranes were electrospun for the first time. The properties of this membrane electrolyte have been evaluated by the mechanical test and electrochemical test. The Young's modulus increased by 275% from 6.8 MPa to 25.5 MPa and the electrical conductivity increased to 7.6×10-⁵S/cm at 290.15 K when compared to pristine P(VdF-HFP) membrane electrolyte. The conductivity is 3.1×10-⁴S/cm at 323.15 K.
- “Soggy sand” electrolyte,
- Octanol-modifided silica,
- Poly(vinylidene fluoride-hexafluoropropylene),
- Electrospun membrane,
- Lithium ion battery
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