Preparation and properties of composite electrolyte

doi:10.3969/j.issn.2095-4239.2015.04.012

Abstract

Abstract: During the design process of composite polymer electrolyte, the method which combines a structure load phase and an ion conductive phase was used to meet the demand of mechanical strength and electrical properties. The first step is choosing epoxy resin as matrix to guarantee good mechanical strength, then using different pore-forming agents to build connecting pore structure. By connecting pore to fill gel electrolyte or absorb liquid electrolyte to get ionic conductivity. According to the results, when the weight rate of epoxy resin:naphthalene:DBP:SiO₂was 20:20:4:1, the sample shows the highest absorption ability for electrolyte and good mechanic properties. The ionic conductivity of samples is 1.6×10^-3S/cm, which meets the demand of the application of a lithium ion battery.

Key words: composite polymer electrolyte, preparation, performance

CLC Number:

TM911

YUAN Junfei, WU Bin, HU Yun, LI Dezhan, XIE Kai, HONG Xiaobin. Preparation and properties of composite electrolyte[J]. Energy Storage Science and Technology, 2015, 4(4): 417-421.

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