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Highly conductive, stretchable and compressible, repairable zwitterionic gel polymer electrolyte and its preparation and application

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. Universality, the effect of enhancing mechanical properties

Active Publication Date: 2021-05-25
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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  • Highly conductive, stretchable and compressible, repairable zwitterionic gel polymer electrolyte and its preparation and application
  • Highly conductive, stretchable and compressible, repairable zwitterionic gel polymer electrolyte and its preparation and application
  • Highly conductive, stretchable and compressible, repairable zwitterionic gel polymer electrolyte and its preparation and application

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

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

[0052] The compression cycle test is performed w...

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Abstract

The invention relates to a highly conductive, stretchable and compressible, repairable amphoteric ion gel polymer electrolyte and its preparation and application. Using zwitterionic SBMA, monomeric HEMA that can enhance mechanical properties without affecting electrical conductivity, and LiCl, a gel polymer electrolyte with good performance was prepared by in situ polymerization. P(HEMA‑SBMA) electrolyte has good tensile and compressive properties, and the strain and stress can be adjusted by adjusting the monomer ratio and LiCl content to obtain the desired ultra-stretch or high-strength electrolyte. Can withstand 50 times of 50% compression cycle test. Good adhesion provides the ability to maintain the shape of the assembled energy storage device under deformation, and the electrical conductivity is responsive under tension 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 high-conductivity, stretchable and compressible, and repairable amphoteric ion gel polymer electrolytes. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] The development of high-efficiency energy storage devices has greatly met the increasing energy demand in our daily life, among which supercapacitors have become high-performance energy storage devices with long service life and high power density. Gel electrolytes have attracted increasing attention in solid-state supercapacitors because they...

Claims

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Application Information

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Patent Type & Authority Patents(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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