High-conductivity, stretchable, compressible and repairable zwitterionic gel polymer electrolyte as well as preparation and application thereof

A gel polymer, stretch-compression technology, applied in the direction of hybrid capacitor electrolytes, etc., can solve the problems of application limitations, inability to have both conductivity, stretch-compression, adhesive repairability, etc. The effect of universality and simple operation method

Active Publication Date: 2020-04-17
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing amphoteric gel polymer electrolytes often cannot combine conductivity, stretchability, adhesion, and repairability, which limits their applications.

Method used

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  • High-conductivity, stretchable, compressible and repairable zwitterionic gel polymer electrolyte as well as preparation and application thereof
  • High-conductivity, stretchable, compressible and repairable zwitterionic gel polymer electrolyte as well as preparation and application thereof
  • High-conductivity, stretchable, compressible and repairable zwitterionic gel polymer electrolyte as well as preparation and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] 1 Experimental part

[0041] 1.1 Raw materials and reagents

[0042] Table 3-1 Main raw materials and reagents

[0043]

[0044] 1.2 Experimental equipment

[0045] Table 3-2 Main experimental equipment

[0046]

[0047]

[0048] 1.3 Experimental synthesis method

[0049] 1.3.1 Preparation of P(HEMA-SBMA) hydrogel electrolyte

[0050] P(HEMA-SBMA) electrolyte is prepared by free radical polymerization of SBMA, HEMA and LiCl. Add SBMA, HEMA and distilled water (6mL) with a total mass of 2g into 20ml glass bottles. The molar ratios of the two monomers are 3:1, 1:1, and 1:3. Then add different masses of LiCl into the mixed solution. Then, after the above solution was stirred in an ice bath for 1.5 hours, 0.02 g of AIBA was added as an initiator. P(HEMA-SBMA) electrolyte was obtained by polymerizing at 37°C for 24h.

[0051] 1.3.2 Compression performance test of P (HEMA-SBMA) electrolyte

[0052] The compression cycle test uses a cross-sectional area of ​​0.2829cm -2 , Cylindrical sa...

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Abstract

The invention relates to a high-conductivity, stretchable, compressible and repairable zwitterionic gel polymer electrolyte as well as preparation and application thereof. Zwitterionic SBMA, and monomers HEMA and LiCl which can enhance mechanical properties and do not affect electric conductivity are utilized, and the gel polymer electrolyte with good performance is prepared through an in-situ polymerization reaction. The P(HEMA-SBMA) electrolyte has good tensile compression performance, and the strain and stress can be adjusted by regulating the monomer ratio and the content of LiCl, so thatthe desired electrolyte with super-tensile strength or high strength is obtained. 50% compression cycle tests can be carried out for 50 times. The good adhesion provides the capability of maintainingthe shape of equipment when the assembled energy storage equipment bears deformation, and the electric conductivity is responsive during stretching and compression.

Description

Technical field [0001] The invention belongs to the research field of high-efficiency energy storage devices, and specifically relates to the preparation and performance research of a highly conductive, stretchable, compressible, and repairable zwitterionic gel polymer electrolyte. Background technique [0002] Disclosure of the background information is only intended to increase the understanding of the overall background of the present invention, and is not necessarily regarded as an acknowledgement or in any form suggesting that the information constitutes the prior art known to those of ordinary skill in the art. [0003] The development of high-efficiency energy storage devices has greatly met the ever-increasing energy demand in our daily lives, among which supercapacitors have become high-performance energy storage devices with long service life and high power density. Gel electrolytes have attracted more and more attention in solid-state supercapacitors because they fulfill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/38C08F220/20H01G11/56
CPCC08F220/20C08F220/38H01G11/56Y02E60/13
Inventor 刘利彬孙伟刚李学林李冬
Owner QILU UNIV OF TECH
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