Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of solid polymer electrolyte of zinc ion battery

A solid polymer, zinc ion battery technology, applied in the preparation of solid polymer electrolyte, polyacrylonitrile-polyethylene glycol diacrylate-based solid polymer electrolyte preparation field, can solve the problem of low electrical conductivity at room temperature, metal zinc The problems of uneven deposition of negative electrode and dissolution of positive active material can achieve high ionic conductivity, improve cycle stability, and reduce polarization.

Active Publication Date: 2021-08-24
HARBIN INST OF TECH
View PDF19 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preparing a solid polymer electrolyte for zinc ion batteries, so as to solve the problems of low room temperature conductivity of existing zinc ion solid polymer electrolytes, uneven deposition of metal zinc negative electrodes, and dissolution of positive active materials.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of solid polymer electrolyte of zinc ion battery
  • Preparation method of solid polymer electrolyte of zinc ion battery
  • Preparation method of solid polymer electrolyte of zinc ion battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Step 1: Take 0.3g polyethylene glycol acrylate (PEGDA), heat and melt at 80°C to obtain a colorless transparent viscous liquid;

[0023] Step 2: Take benzoin dimethyl ether (DMPA) photoinitiator with a mass fraction of 2%, add it to PEGDA, and keep stirring at 80°C for 5 minutes to form a uniform colorless transparent viscous liquid;

[0024] Step 3: Place the liquid obtained in Step 2 under a xenon lamp with a power of 1.125W and irradiate at a constant temperature of 60°C for 10 minutes. At this time, PEGDA is partially polymerized under the irradiation of a photoinitiator and ultraviolet light, and is still a colorless transparent viscous liquid, which is ready for use;

[0025] Step 4: Take 0.83g Zn(OAc) 2 2H 2 O and 0.2g of polyacrylonitrile (PAN) were added to 10ml of N-methylpyrrolidone (NMP) solvent in turn, and the mixed solution was heated and stirred in a water bath at 80°C for 50min to form a light yellow liquid;

[0026] Step 5: Slowly pour the light yell...

Embodiment 2

[0029] Step 1: Take 0.3g polyethylene glycol acrylate (PEGDA), heat and melt at 80°C to obtain a colorless transparent viscous liquid;

[0030] Step 2: Take benzoin dimethyl ether (DMPA) photoinitiator with a mass fraction of 2%, add it to PEGDA, and keep stirring at 80°C for 5 minutes to form a uniform colorless transparent viscous liquid;

[0031] Step 3: Place the liquid obtained in Step 2 under a xenon lamp with a power of 1.125W and irradiate at a constant temperature of 60°C for 8 minutes. At this time, PEGDA is partially polymerized under the irradiation of a photoinitiator and ultraviolet light, and is still a colorless transparent viscous liquid, which is ready for use;

[0032] Step 4: Take 0.83g Zn(OAc) 2 2H 2 O and 0.2g of polyacrylonitrile (PAN) were added to 10ml of N-methylpyrrolidone (NMP) solvent in turn, and the mixed solution was heated and stirred in a water bath at 80°C for 50min to form a light yellow liquid;

[0033] Step 5: Slowly pour the light yello...

Embodiment 3

[0040]Step 1: Take 0.3g polyethylene glycol acrylate (PEGDA), heat and melt at 80°C to obtain a colorless transparent viscous liquid;

[0041] Step 2: Take benzoin dimethyl ether (DMPA) photoinitiator with a mass fraction of 2%, add it to PEGDA, and keep stirring at 80°C for 5 minutes to form a uniform colorless transparent viscous liquid;

[0042] Step 3: Place the liquid obtained in Step 2 under a xenon lamp with a power of 1.125W and irradiate at a constant temperature of 60°C for 5 minutes. At this time, PEGDA is partially polymerized under the irradiation of a photoinitiator and ultraviolet light, and is still a colorless transparent viscous liquid, which is ready for use;

[0043] Step 4: Take 0.83g Zn(OAc) 2 2H 2 O and 0.2g polyacrylonitrile (PAN) were added to 10ml N-methylpyrrolidone (NMP) solvent in turn, and the mixed solution was heated and stirred in a water bath at 80°C for 50min to form a light yellow liquid;

[0044] Step 5: Slowly pour the light yellow liqui...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Impedanceaaaaaaaaaa
Conductivityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of a solid polymer electrolyte of a zinc ion battery. The method comprises the following steps: step 1, heating and melting PEGDA (Polyethylene Glycol Diacrylate); step 2, adding a photoinitiator into PEGDA (Polyethylene Glycol Diacrylate); step 3, irradiating the liquid obtained in the step 2 under a xenon lamp; step 4, sequentially adding zinc acetate dihydrate and PAN into an NMP solvent, placing the mixed solution in a water bath kettle to be heated and stirred, and forming faint yellow liquid; step 5, slowly pouring the faint yellow liquid obtained in the step 4 into the PEGDA liquid obtained in the step 3, and continuously heating and stirring in a water bath; and step 6, transferring the mixed liquid obtained in the step 5 into a culture dish, and drying and forming in an air dry oven to obtain the solid polymer electrolyte membrane. The zinc ion solid polymer electrolyte prepared by the invention can improve the interface contact capacity, the higher ionic conductivity can reduce polarization, and the cycling stability of the battery is improved.

Description

technical field [0001] The invention belongs to the field of new energy materials and electrochemistry, and relates to a preparation method of a solid polymer electrolyte, in particular to a preparation method of a polyacrylonitrile-polyethylene glycol diacrylate-based solid polymer electrolyte. Background technique [0002] Among the currently commercialized rechargeable secondary batteries, lithium-ion batteries (LIBs) are considered to be the most potential energy storage and storage technologies for hybrid / electric vehicles and portable electronic devices due to their relatively high energy density and long-term cycle stability. conversion technology. However, in lithium-ion batteries, lithium dendrites are formed due to the irregular metal lithium deposition during charge and discharge. As the lithium dendrites grow, they may pierce the separator and cause a short circuit, and the local high current density generates heat. The flammable environment of the organic elect...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H01M10/0565H01M10/054C08F299/02C08F2/48
CPCH01M10/0565H01M10/054C08F299/028C08F2/48H01M2300/0082Y02P70/50
Inventor 毛雅春张家驰张乃庆范立双张宇
Owner HARBIN INST OF TECH
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com