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

Electrochromism/electricity storage bifunctional material and preparation method and application thereof

A dual-functional material and electrochromic technology, applied in the direction of color-changing fluorescent materials, chemical instruments and methods, semiconductor/solid-state device manufacturing, etc., can solve the problem of less multi-functional materials, achieve fast response, low energy consumption, coloring Efficient effect

Active Publication Date: 2019-11-05
CHANGCHUN UNIV OF TECH
View PDF6 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, organic optoelectronic materials are mostly focused on the development and research of single-functional materials and devices, and there are relatively few multi-functional 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
  • Electrochromism/electricity storage bifunctional material and preparation method and application thereof
  • Electrochromism/electricity storage bifunctional material and preparation method and application thereof
  • Electrochromism/electricity storage bifunctional material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The general structural formula of the electrochromic / electric storage dual-functional material of the present invention is as follows:

[0037]

[0038] In the general formula, for for where R is -OCH 3 or -CH 3 , R 1 for-C(CF 3 ) 2 , -CO, -SO 2 or -O-, R 2 for-OCH 3 、-CH 3 or -CF 3 , n is an integer of 2-200.

[0039] The preparation process of the electrochromic / electric storage dual-functional material is as follows:

[0040] In a three-neck flask, dissolve 0.333g (0.75mmol) dianhydride monomer and 0.04575g (0.15mmol) diamine monomer in an organic solvent, mechanically stir until completely dissolved under the protection of argon, and react for 6 hours;

[0041] Dissolve 0.2145g (0.3mmol) triamine monomer in an organic solvent, slowly add it dropwise to the above reaction solution, and continue to react for 12 hours;

[0042] Add 1mL triethylamine and 3mL acetic anhydride, heat to 80°C and react for 8 hours to obtain a long-chain hyperbranched p...

Embodiment 2

[0047] Using the electrochromic / electric storage dual-functional material prepared in Example 1, an electric storage device can be prepared, including a bottom electrode and a top electrode, a polymer active layer is arranged between the bottom electrode and the top electrode, and the polymer active The layer is the electrochromic / electric storage bifunctional material prepared in Example 1; the bottom electrode, the polymer active layer and the top electrode form a sandwich structure.

[0048] The substrate material for the bottom electrode is glass or a flexible polymer; the flexible polymer is preferably polyethylene terephthalate (PET), polyethylene naphthalate (PEN) or polymethylmethacrylate (PMMA) .

[0049] The conductive layer on the bottom electrode substrate is vapor-depositable metal, metal oxide, nano-silver or conductive polymer; the vapor-depositable metal is preferably one or more of silver, aluminum and copper; the metal oxide is preferably indium oxide Tin, t...

Embodiment 3

[0058] The electrochromic / electric storage dual-functional material prepared in Example 1 can also be used to prepare electrochromic devices, including a bottom transparent conductive electrode and a top transparent conductive electrode, and a polymer electrochromic electrode is arranged between the bottom electrode and the top electrode. The polymer electrochromic layer is the electrochromic / electric storage dual-functional material prepared in Example 1; the bottom electrode, the polymer electrochromic layer and the top electrode form a sandwich structure.

[0059] The base material of the electrodes is glass or a flexible polymer; the flexible polymer is preferably polyethylene terephthalate (PET), polyethylene naphthalate (PEN) or polymethyl methacrylate (PMMA).

[0060] The conductive layer of the electrode is metal oxide, nano-silver or conductive polymer; the metal oxide is preferably indium tin oxide, and the conductive polymer is preferably polypyrrole or polyaniline. ...

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
thicknessaaaaaaaaaa
areaaaaaaaaaaa
Login to View More

Abstract

The invention provides an electrochromism / electricity storage bifunctional material and a preparation method and application thereof, and belongs to the technical field of polymer materials. The structural formula of the bifunctional material is shown in the description. The preparation method comprises the steps of mixing of diamine and dianhydride, a polymerization reaction, copolymerization with triamine, final dehydration and the like. The electrochromism / electricity storage bifunction material can be used for preparing an electrical storage device or an electrochromic device. The bifunctional material has the advantages that the preparation method is simple, the solubility is good, the chemical stability and thermal stability are high, the electrochromic device prepared by the material has excellent performance, the color change contrast is high, the coloring efficiency is good, the response speed is high, and three kinds of color changes are achieved; the prepared electrical storage device has low energy consumption, accurate information reading and good information stability.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and specifically relates to an electrochromic / electric storage dual-functional material, and also relates to an electrical storage and electrochromic device prepared based on the dual-functional material and a preparation method thereof. Background technique [0002] Organic optoelectronic materials are widely used in organic optoelectronic devices, such as organic electrochromic smart windows, organic information storage devices, organic light-emitting devices and organic Solar cells, and the flexible and bendable properties of organic materials, are crucial to the development of a new generation of miniaturized, intelligent, flexible and wearable electronic devices. [0003] Electrochromic materials are important energy-saving materials, which can change their color and transparency under the action of electrical signals; and have the characteristics of low energy consumption, open ci...

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
Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/10C09K9/02H01L51/00G02F1/1516H10K99/00
CPCC08G73/101C08G73/1053C08G73/1064C08G73/1039C08G73/1067C08G73/1071C09K9/02G02F1/15165H10K85/111H10K85/151
Inventor 宋颖关绍巍田野祝世洋
Owner CHANGCHUN UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com