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

Carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and preparation method thereof

A technology of self-supporting electrodes and polyhedrons, applied in the direction of negative electrodes, battery electrodes, active material electrodes, etc., to achieve the effects of strong repeatability, simple preparation method, and short preparation cycle

Active Publication Date: 2020-12-04
SHAANXI UNIV OF SCI & TECH
View PDF8 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the controllable synthesis of Sb with special morphology on carbon cloth 2 o 4 @Sb 2 o 5 There is no report on the composite as Na-ion battery

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
  • Carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and preparation method thereof
  • Carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and preparation method thereof
  • Carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Carbon cloth of the present invention supports flower-shaped Sb 2 o 4 @polyhedronSb 2 o 5 The preparation method of composite self-supporting electrode material, concrete steps comprise:

[0029] Step (1): Take 0.006 g of single-layer graphene oxide powder with a sheet diameter of 0.5-5 μm and a thickness of 0.8-1.2 nm, put it in 20 mL of deionized water, and ultrasonically vibrate to obtain solution A;

[0030] Step (2): Add 0.57g antimony trichloride to solution A obtained in step (1), and use 0.6mg / mL sodium hydroxide solution to adjust pH=12, continue stirring to form a reaction precursor, and use 20 ~25g / L ammonium dihydrogen phosphate is used as the electrolyte to anodize and activate the carbon cloth, the anodizing voltage is 5V, the anodizing time is 3~5min, and the activated carbon is placed in the reaction precursor and immersed for 30min;

[0031] Step (3): Transfer the carbon cloth and the reaction precursor of step (2) into the reactor together. The react...

Embodiment 2

[0036] Carbon cloth of the present invention supports flower-shaped Sb 2 o 4 @polyhedronSb 2 o 5 The preparation method of composite self-supporting electrode material, concrete steps comprise:

[0037] Step (1): Take 0.006g of single-layer graphene oxide powder with a sheet diameter of 0.5-5μm and a thickness of 0.8-1.2nm, put it in a mixed solution of 10mL deionized water and 20mL of deionized ethanol, and oscillate ultrasonically Get solution A;

[0038] Step (2): Add 0.57g antimony trichloride to the solution A obtained in step (1), and use 0.6mg / mL sodium hydroxide solution to adjust pH=11, continue stirring to form a reaction precursor, and use 20 ~25g / L ammonium dihydrogen phosphate is used as the electrolyte to anodize and activate the carbon cloth, the anodizing voltage is 5V, the anodizing time is 3~5min, and the activated carbon is placed in the reaction precursor and immersed for 30min;

[0039] Step (3): Transfer the carbon cloth and the reaction precursor of...

Embodiment 3

[0042] Carbon cloth of the present invention supports flower-shaped Sb 2 o 4 @polyhedronSb 2 o 5 The preparation method of composite self-supporting electrode material, concrete steps comprise:

[0043] Step (1): Take 0.003g of single-layer graphene oxide powder with a sheet diameter of 0.5-5μm and a thickness of 0.8-1.2nm, put it in a mixed solution of 10mL deionized water and 20mL of deionized ethanol, and oscillate ultrasonically Get solution A;

[0044] Step (2): Add 0.5g antimony trichloride to the solution A obtained in step (1), and use 0.5mg / mL sodium hydroxide solution to adjust pH=10, continue stirring to form a reaction precursor, and use 20 ~25g / L ammonium dihydrogen phosphate is used as the electrolyte to anodize and activate the carbon cloth. The anodizing voltage is 5V, and the anodizing time is 3-5min. The activated carbon is placed in the reaction precursor and immersed for 10min;

[0045] Step (3): Transfer the carbon cloth and the reaction precursor of ...

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
Film diameteraaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a carbon cloth loaded flower-shaped Sb2O4@polyhedral Sb2O5 composite self-supporting electrode material and a preparation method thereof. The preparation method comprises the following specific steps of: 1) putting single-layer graphene oxide into deionized water or a mixed solution of deionized water and absolute ethyl alcohol, and carrying out ultrasonic oscillation to obtain a solution A; 2) adding antimony trichloride into the solution A obtained in the step 1), adjusting the pH value, continuously stirring to form a reaction precursor, and impregnating the carbon cloth subjected to anodic oxidation activation in the reaction precursor; and (3) transferring the carbon cloth obtained in the step (2) and the reaction precursor into a reactor, carrying out hydrothermal reaction at 150-180 DEG C, cooling the product to room temperature after the reaction is finished, taking out the carbon cloth, cleaning and drying the carbon cloth to obtain the carbon cloth loaded flower-shaped Sb2O4 and polyhedral Sb2O5 composite self-supporting electrode material. The preparation method is simple, short in preparation period and high in repeatability, and the prepared product has the advantages of being good in electrochemical performance, low in cost, environmentally friendly, controllable in structural design and the like.

Description

technical field [0001] The invention relates to new energy material technology, in particular to a carbon cloth loaded flower-shaped Sb 2 o 4 @polyhedronSb 2 o 5 Composite self-supporting electrode material and preparation method thereof. Background technique [0002] In the field of battery research, Na-ion batteries are considered to be the most likely products to replace Li-ion batteries in the future due to the wide availability and low cost of Na resources. With the development and development of flexible and wearable electronic devices, the study of flexible self-supporting Na-ion battery electrode materials has received more attention. Carbon cloth, a commercially available woven fabric, is considered an excellent substrate for making flexible electrodes due to its high electrical conductivity, porous network, large surface area, good mechanical flexibility, and strength. Therefore, the binder-free, additive-free, and collector-free flexible electrode prepared ba...

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): H01M4/36H01M4/48H01M4/62H01M10/054
CPCH01M4/362H01M4/483H01M4/625H01M4/628H01M10/054H01M2004/021H01M2004/027Y02E60/10
Inventor 费杰王娜黄剑锋曹丽云许占位李嘉胤郑欣慧杨甜
Owner SHAANXI UNIV OF SCI & 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