Issue 58, 2016, Issue in Progress

Gel-type polymer separator with higher thermal stability and effective overcharge protection of 4.2 V for secondary lithium-ion batteries

Abstract

Overcharge protection by electroactive polymer composite separators is an alternative solution for the alleviation of safety concerns of rechargeable Li or Li-ion batteries. The use of gel-type electrolyte with less free organic solvent may benefit the safety performance as well as provide enhanced thermostability. Herein, a kind of gel-type polymer electrolyte separator, prepared by a facile electroactive conducting polymer solution dip-coating method, for effective overcharge protection of Li-ion batteries with enhanced thermal stability and electrochemical safety due to the introduction of heat-resistant polyfluorene end-capped with polysilsesquioxane, may be beneficial for solution of the Li-ion battery safety problem.

Graphical abstract: Gel-type polymer separator with higher thermal stability and effective overcharge protection of 4.2 V for secondary lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
05 May 2016
Accepted
17 May 2016
First published
19 May 2016

RSC Adv., 2016,6, 52966-52973

Gel-type polymer separator with higher thermal stability and effective overcharge protection of 4.2 V for secondary lithium-ion batteries

W. Ni, D. Yang, J. Cheng, X. Li, Q. Guan and B. Wang, RSC Adv., 2016, 6, 52966 DOI: 10.1039/C6RA11638H

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