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

A kind of preparation method of nanometer ruthenium oxide

A ruthenium oxide and nanotechnology, applied in the field of nanomaterials, can solve the problems of unfavorable application, serious agglomeration of ruthenium oxide, poor particle crystallinity, etc., and achieve the effects of strong experimental repeatability, uniform particle size, and high production efficiency

Active Publication Date: 2019-07-12
BEIJING UNIV OF CHEM TECH
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ruthenium oxide prepared by this method is severely agglomerated, and the crystallinity of the particles is poor, which is not conducive to subsequent applications

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
  • A kind of preparation method of nanometer ruthenium oxide
  • A kind of preparation method of nanometer ruthenium oxide
  • A kind of preparation method of nanometer ruthenium oxide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A preparation method for nanometer ruthenium oxide, comprising the steps of:

[0043] 1) Dissolve 1 g of ruthenium trichloride hydrate in 100 mL of deionized water, and sonicate for 0.2 h;

[0044] 2) Dissolve 0.56g of sodium hydroxide in 100mL of deionized water, and sonicate for 0.2h;

[0045] 3) Pass the ruthenium trichloride source solution and sodium hydroxide solution into the high-gravity rotating bed through a peristaltic pump at a feed flow rate of 600mL / min, and the rotating bed speed is 1200r / min to obtain a precursor solution. The pH of the precursor solution is 9 ;

[0046] 4) Place the obtained precursor solution in an oven, adjust the temperature to 80°C, and age for 3 hours;

[0047] 5) Take out the precursor solution, centrifuge and wash 6 times at 7500r / min;

[0048] 6) Transfer the washed precipitate to a polytetrafluoroethylene reactor, add 100mL of deionized water, and heat at 160°C for 12 hours;

[0049] 7) drying the taken out precipitate in a...

Embodiment 2

[0052] A preparation method for nanometer ruthenium oxide, comprising the steps of:

[0053] 1) Dissolve 6 g of hexaammonium ruthenium trichloride in 500 mL of absolute ethanol, and sonicate for 0.5 h;

[0054] 2) Prepare 5mol / L ammonia solution, take out 1.5mL ammonia water and add 98.5mL ethanol;

[0055] 3) Hexaammonium trichloride ruthenium solution and ammonia water are respectively fed into the high gravity rotary bed through a peristaltic pump at a feed flow rate of 500mL / min, and the rotary bed speed is 2500r / min to obtain a precursor solution, and the pH of the precursor solution is 10;

[0056] 4) Place the obtained precursor solution in an oven, adjust the temperature to 80°C, and age for 3 hours;

[0057] 5) Take out the precursor solution, centrifuge and wash 6 times at 7500r / min;

[0058] 6) Transfer the washed precipitate to a polytetrafluoroethylene reactor, add 100mL of deionized water, and heat at 100°C for 12 hours;

[0059] 7) drying the taken out precip...

Embodiment 3

[0062] A preparation method for nanometer ruthenium oxide, comprising the steps of:

[0063] 1) Dissolve 3 g of ruthenium nitrosyl nitrate in 300 mL of deionized water / ethanol at a ratio of 1:1, and sonicate for 0.5 h;

[0064] 2) Dissolve 1.68g of sodium hydroxide in 300mL of deionized water / ethanol at a ratio of 1:1, and sonicate for 0.5h;

[0065] 3) Feed the ruthenium nitrosyl nitrate source solution and the sodium hydroxide solution into the high-gravity rotating bed through a peristaltic pump with a feed flow rate of 400mL / min, and the rotating bed speed is 1200r / min to obtain a precursor solution. The pH of the precursor solution is 9;

[0066] 4) Place the obtained precursor solution in an oven, adjust the temperature to 70°C, and age for 3 hours;

[0067] 5) Take out the precursor solution, centrifuge and wash 6 times at 7500r / min;

[0068] 6) Transfer the washed precipitate to a polytetrafluoroethylene reactor, add 100mL of deionized water, and conduct a hydrother...

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
sizeaaaaaaaaaa
specific surface areaaaaaaaaaaa
specific surface areaaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of nanometer ruthenium oxide. The method comprises the following steps: mixing a ruthenium source solution and an alkali solution to obtain a precursor solution with a pH of 9-12; and subjecting the precursor solution to hydrothermal reaction or calcination to obtain a nanometer ruthenium oxide preparation method. Ruthenium oxide. The prepared nano-ruthenium oxide particles have a controllable morphology, that is, a regular spherical structure or a rod-like structure. The preparation method of the present invention is simple, green and environment-friendly, easy to be industrialized, and the cost of the adopted raw materials is relatively low, and the performance of the prepared product is better, and has good application prospect.

Description

technical field [0001] The invention relates to the technical field of nanometer materials. More specifically, it relates to a preparation method of nanometer ruthenium oxide. Background technique [0002] Nano ruthenium oxide is a noble metal oxide, which has high specific capacitance, high electrical conductivity and low resistivity, and is widely used in supercapacitors, catalysts and electrochemical catalysis. In supercapacitors, due to its high specific capacitance value, it has a great application in supercapacitors, and because of its small resistance and high conductivity, it has great advantages compared with other supercapacitors. On the catalyst, it is mainly used for dehydrogenation catalysis, currently reported are: CO oxidation, methanol oxidation and ammonia oxidation. In the application of electrochemical catalysis, it is mainly used in DSA type electrodes, which have a certain catalytic effect on HER (Hydrogen Evolution Reation) and OER (Oxygen Evolution R...

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 Patents(China)
IPC IPC(8): C01G55/00B82Y30/00B01F3/08
CPCC01G55/004C01P2002/01C01P2004/04C01P2004/32C01P2004/64C01P2006/12C01P2006/80B01F23/405B01F23/43B01F35/221422
Inventor 陈建峰杨辉煌王洁欣曾晓飞张亮亮
Owner BEIJING UNIV OF CHEM 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