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

Supercapacitor electrode powder material and preparation method thereof

A supercapacitor and electrode powder technology, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double layer capacitors, etc., can solve the problems of poor fluidity of positive electrode materials, difficult electrolyte penetration and unfavorable electrode coating tap density, etc., to achieve Good porosity, good sphericity, high dispersion effect

Active Publication Date: 2021-11-02
陕西君普新航科技有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these forms of positive electrode materials have poor fluidity, which is not conducive to the coating of electrodes and the improvement of tap density.
Traditional spherical particles have the problem that the electrolyte is difficult to penetrate and immerse

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
  • Supercapacitor electrode powder material and preparation method thereof
  • Supercapacitor electrode powder material and preparation method thereof
  • Supercapacitor electrode powder material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] The embodiment of the present invention also provides a method for preparing a supercapacitor electrode powder material, which is specifically implemented according to the following steps:

[0074] Step 1, using Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 For cobalt source, iron source and selenium source, respectively weigh Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 ;

[0075] Step 2, ethanol and deionized water are configured according to the volume ratio of 2:1;

[0076] Step 3, the Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 Dissolve in a mixed solution of 500ml ethanol and deionized water, stir magnetically for 30 minutes to form a red transparent solution;

[0077] Step 4, taking a certain amount of polyethylene glycol as a binder, and the mass ratio of polyethylene glycol and cobalt nitrate is 5:1.

[0078] Step 5, adding polyethylene glycol dropwise to the solution in step 1.3, the dropping rate is 10 drops / min, while maintaining strong magnetic...

Embodiment 2

[0093] The embodiment of the present invention also provides a supercapacitor electrode powder material Co 0.9 Fe 0.1 The preparation method of Se is specifically implemented according to the following steps:

[0094] Step 1, using Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 For cobalt source, iron source and selenium source, respectively weigh Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 ;

[0095] Step 2, ethanol and deionized water are configured according to the volume ratio of 2:1;

[0096] Step 3, the Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 Dissolve in a mixed solution of 500ml ethanol and deionized water, stir magnetically for 20 minutes to form a red transparent solution;

[0097] Step 4, taking a certain amount of polyethylene glycol as a binder, and the mass ratio of polyethylene glycol and cobalt nitrate is 3:1.

[0098] Step 5, adding polyethylene glycol dropwise to the solution in step 1.3, the dropping rate is 7 drops / min, while maintaining s...

Embodiment 3

[0113] The embodiment of the present invention also provides a supercapacitor electrode powder material Co 0.8 Fe 0.2 The preparation method of Se is specifically implemented according to the following steps:

[0114] Step 1, using Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 Cobalt source, iron source and selenium source, according to the molar ratio of 1.15:0.3:1.1 respectively weigh Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 ;

[0115] Step 2, ethanol and deionized water are configured according to the volume ratio of 2:1;

[0116] Step 3, the Co(NO 3 ) 2 , Fe(NO 3 ) 3 , and Na 2 SeO 4 Dissolve in a mixed solution of 500ml ethanol and deionized water, stir magnetically for 20 minutes to form a red transparent solution;

[0117] Step 4, taking a certain amount of polyethylene glycol as a binder, and the mass ratio of polyethylene glycol and cobalt nitrate is 6:1.

[0118] Step 5, adding polyethylene glycol dropwise to the solution in step 1.3, the dropping...

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 a supercapacitor electrode powder material and a preparation method thereof. The supercapacitor electrode powder material is prepared from the following substances: a cobalt source, an iron source, a selenium source and a binder; and the molar ratio of the cobalt source to the iron source to the selenium source is (0.5-1.15): (0.05-0.3): (0.45-1.1), and the mass ratio of the binder to the cobalt source is (3-6): 1. According to the invention, the powder material which shows good sphericity in the micron scale and has a good void ratio and high flowability and dispersity in the nano scale can be obtained.

Description

technical field [0001] The invention belongs to the technical field of preparation of new energy materials, and in particular relates to a supercapacitor electrode powder material and a preparation method thereof. Background technique [0002] Supercapacitor is a new type of storage device, which has the advantages of long cycle life, fast charge and discharge rate, high power density and high safety. Supercapacitors fill the gaps of traditional capacitors and rechargeable batteries, and are widely used in many fields including electric vehicles, aerospace, industrial power supplies, and mobile electronic systems. [0003] Electrode material is a key factor affecting the performance of supercapacitors. Transition metal oxides and sulfides, which exhibit extremely high specific capacities, have become a research hotspot. Transition metal oxides usually have multiple oxidation states and have catalytic and semiconductor properties, and metal sulfides are composed of transiti...

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): H01G11/30H01G11/86
CPCH01G11/30H01G11/86Y02E60/13
Inventor 王中旭
Owner 陕西君普新航科技有限公司
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