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

Metal-organic framework-derived iron-nickel metal sulfide catalysts and their preparation and application

A metal sulfide and catalyst technology, applied in the field of renewable energy catalytic materials, can solve the problems of cumbersome preparation process, high cost, poor performance, etc., and achieve the effects of simple preparation process, improved oxygen evolution reaction activity, and excellent electrochemical performance.

Active Publication Date: 2022-05-17
XIAMEN UNIV
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, based on the current disadvantages of metal-organic framework material-derived catalysts such as poor performance, high cost, and cumbersome preparation process, the present invention explores the preparation method of metal-organic framework-derived iron-nickel metal sulfide catalysts to obtain low overpotential, High stability and cheap and easy-to-manufacture catalysts for oxygen evolution reaction are of great significance

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
  • Metal-organic framework-derived iron-nickel metal sulfide catalysts and their preparation and application
  • Metal-organic framework-derived iron-nickel metal sulfide catalysts and their preparation and application
  • Metal-organic framework-derived iron-nickel metal sulfide catalysts and their preparation and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] (1) Dissolve 0.811g ferric chloride hexahydrate, 0.872g nickel nitrate hexahydrate and 0.997g terephthalic acid in 60mL of N,N-dimethylformamide and stir for 30min to form a uniform solution;

[0046] (2) Measure 12 mL of sodium hydroxide solution and add it to the solution obtained in step (1) and stir for 3 hours until uniform, and the concentration of the sodium hydroxide solution is 16 g / L;

[0047] (3) Transfer the mixed solution in step (2) to a reactor for solvothermal, the reaction temperature is 100°C, and the reaction time is 15h;

[0048] (4) Centrifugally wash the mixed solution in step (3) (washing with water, washing with alcohol), and then dry overnight in an oven at 70°C;

[0049] (5) Grinding the solid obtained in step (4) to obtain the precursor MIL-88;

[0050] (6) After weighing 0.450g of thioacetamide and adding 60mL of ethanol to dissolve to form a uniform solution, add 0.1g of precursor MIL-88 and fully stir for 30min;

[0051] (7) Transfer the ...

Embodiment 2

[0062] Similar to Example 1, the difference is that the secondary solvothermal reaction temperature in the (7) step is changed from 120°C to 100°C, and the reaction time is changed to 6h, and the other steps are carried out using the method of Example 1 to obtain the present invention. said catalyst.

Embodiment 3

[0064] Similar to Example 1, the difference is that the second solvothermal reaction time in the (7) step is changed to 6h, and other steps are carried out by the method of Example 1 to obtain the catalyst of the present invention.

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
concentrationaaaaaaaaaa
Login to View More

Abstract

Metal-organic framework-derived iron-nickel metal sulfide catalyst, preparation and application, involving renewable energy catalytic materials. The iron-nickel metal sulfide catalyst obtained by simple solvothermal sulfide showed good activity for electrocatalytic oxygen evolution reaction. The preparation method includes the following steps: dissolving thioacetamide in ethanol, then adding MIL-88, stirring for a certain period of time, and then transferring to a reaction kettle for solvothermal reaction; after solvothermal treatment, sequentially cooling, washing, and drying to obtain the obtained product. described catalyst. The sulfide species inside its structure can enhance electrical conductivity, and can generate oxyhydroxide species in situ, exposing more active sites, and the mesoporous-rich pore structure is conducive to fast electron transport and water molecule adsorption and gas product release. , to enhance the electrocatalytic activity. The electrocatalyst has the advantages of high catalytic activity, good stability, and simple preparation process, and has strong application value.

Description

technical field [0001] The invention relates to renewable energy catalytic materials, in particular to a metal-organic framework-derived iron-nickel metal sulfide catalyst and its preparation and application. Background technique [0002] As a high-profile secondary energy source, hydrogen energy has the characteristics of safety, environmental protection, high energy and cleanness, so it is widely used in power generation, power vehicles, fuel cells and other fields. my country has included hydrogen energy technology in the energy field in the "Tenth Five-Year Plan" for scientific and technological development and the 2015 long-term plan, which means that hydrogen energy plays an important role in the energy development strategy. Hydrogen production by electrolysis of water is an efficient way to produce high-purity hydrogen energy. Its core is the oxygen evolution reaction (OER) at the anode and the hydrogen evolution reaction (HER) at the cathode. Among them, since the o...

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): C25B11/091C25B1/04
CPCC25B1/04Y02P20/133
Inventor 李云华柯文昌
Owner XIAMEN UNIV
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