Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Integrated supercapacitor and preparation method thereof

A supercapacitor, an integrated technology, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, hybrid capacitor electrolytes, etc., can solve the problems of easy slip between layers, poor device performance, high cost, etc., to reduce production costs , Reduce the interface resistance, the effect of high area ratio capacitance

Pending Publication Date: 2021-10-29
NANJING UNIV OF POSTS & TELECOMM
View PDF4 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide an integrated supercapacitor and its preparation method. The integrated supercapacitor prepared by this method solves the problem that the traditional supercapacitor is easy to slip between layers when it is bent. The problem of shifting, high cost, and poor device performance after stretching or self-healing can realize the intrinsic stretchable self-healing of capacitors, and has good mechanical stability, low cost, and simple preparation process

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
  • Integrated supercapacitor and preparation method thereof
  • Integrated supercapacitor and preparation method thereof
  • Integrated supercapacitor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) Preparation of polyacrylic hydrogel electrolytic films: first 2 ml acrylic solution (99% acrylic monomer AA specification, reagent source Sigma-Aldrich) plus 3 ml of deionized water, then mixed with 0.25 g 3- [N, N-dimethyl - [2- (2-methylpropylene) ethyl] ammonium] ammonium-1-sulfonic acid salt, 0.0234 g of iron chloride and ammonium sulfate (0.0624 g) After mixing, it is injected into a well-formed glass mold, which is placed in a 40 ° C oven for 12h. After the gelation is completed, the film is taken out, forming a thick hydrogel film of 1 mm, completely drying at room temperature. The 2m sulfuric acid solution was then immersed for 15 min to obtain a polyacrylic hydrogel electrolyte film.

[0039] (2) Preparation of conductive polymer-polyacrylic water gel composite film: at 40 ml of HCl (1 mol L -1 A solution of 146 μl (0.4 mmol) of aniline monomer was added, shake it uniform, and placed in a solution of 40 * 20 mm, a thickness of 1 mm, and then added 91.2 mg (0.27...

Embodiment 2

[0043] (1) Preparation of polyacrylic hydrogel electrolytic films: first 2 ml acrylic solution (99% acrylic monomer AA specification, reagent source Sigma-Aldrich) plus 3 ml of deionized water, then mixed with 0.25 g 3- [N, N-dimethyl - [2- (2-methylpropylene) ethyl] ammonium] ammonium-1-sulfonic acid salt, 0.0234 g of iron chloride and ammonium sulfate (0.0624 g) After mixing, it is injected into a well-formed glass mold, which is placed in a 40 ° C oven for 12h. After the gelation is completed, the film is taken out, forming a thick hydrogel film of 1 mm, completely drying at room temperature. The 2m sulfuric acid solution was then immersed for 15 min to obtain a polyacrylic hydrogel electrolyte film.

[0044] (2) Preparation of conductive polymer-polyacrylic water gel film: at 40 ml of HCl (1 mol L -1 The solution was added to a solution of 219 μL (0.6 mmol) of aniline monomer, shake it uniform, and placed in a solution of 40 * 20 mm, a thickness of 1 mm, and then added 91.2 mg...

Embodiment 3

[0048] (1) Preparation of polyacrylic hydrogel electrolytic films: first 2 ml acrylic solution (99% acrylic monomer AA specification, reagent source Sigma-Aldrich) plus 3 ml of deionized water, then mixed with 0.25 g 3- [N, N-dimethyl - [2- (2-methylpropylene) ethyl] ammonium] ammonium-1-sulfonic acid salt, 0.0234 g of iron chloride and ammonium sulfate (0.0624 g) After mixing, it is injected into a well-formed glass mold, which is placed in a 40 ° C oven for 12h. After the gelation is completed, the film is taken out, forming a thick hydrogel film of 1 mm, completely drying at room temperature. The 2m sulfuric acid solution was then immersed for 15 min to obtain a polyacrylic hydrogel electrolyte film.

[0049] (2) Preparation of conductive polymer-polyacrylic water gel film: at 40 ml of HCl (1 mol L -1 The solution was added to a solution of 292 μl (0.8 mmol) of aniline monomer, shake it uniform, and placed in a solution of 40 * 20 mm, a thickness of 1 mm, and then added 91.2 mg...

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

No PUM Login to View More

Abstract

The invention discloses an integrated supercapacitor and a preparation method thereof. The integrated supercapacitor comprises a composite hydrogel film and two current collectors covering the upper surface and the lower surface of the composite hydrogel film; the composite hydrogel film is formed by integrating two electrodes and a hydrogel electrolyte film; the electrode is a conductive polymer, the conductive polymer is directly embedded into the hydrogel electrolyte layer through in-situ polymerization, an additional substrate is not needed, and an electrode and electrolyte interlocking integrated structure is formed; the hydrogel electrolyte is Fe <3+>-DMAPS (3-[N, N-dimethyl-[2-(2-methylpropane-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt)-polyacrylic acid; and the current collector is one or more of carbon cloth, graphene, a carbon nano tube or MXenes. The integrated supercapacitor prepared by the method has the advantages of excellent electrochemical performance, high intrinsic stretchability, efficient self-healing capability, good flexibility, simple structure, low cost and simple preparation process.

Description

Technical field [0001] The present invention relates to a integrated supercapacitor and a preparation method thereof, belonging to the field of energy storage materials and devices. Background technique [0002] It can wear electrons as emerging leading edge technology, which can be widely used in health monitoring and human-machine interaction. In order to enhance compatibility with the human body, user comfort and durability, wearable electronic equipment must have a high degree of stretchability and self-restoration. In order to meet the development needs of intelligent wearable electronic products, the development and matching of stretched, self-healing, high-capacity energy storage devices are key scientific issues that need to be solved. [0003] Supercapacitor is also known as an electrochemical capacitor, an energy storage element with high power density, high security, and high-power quality, in the field of new energy power systems, electric vehicles, wearable devices, ...

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): H01G11/56H01G11/48H01G11/28H01G11/84H01G11/86
CPCH01G11/56H01G11/48H01G11/28H01G11/84H01G11/86Y02E60/13
Inventor 赖文勇陈雅丽程涛汪锋高斯雅黄维
Owner NANJING UNIV OF POSTS & TELECOMM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
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