Preparation method for phosphatized stainless steel electrolyzed water catalytic material

A catalytic material, stainless steel technology, applied in circuits, fuel cells, electrical components, etc., can solve the problems of harsh conditions, complex preparation process, and low mechanical strength of nickel foam, and achieve the effect of easy industrialization, good catalytic performance, and low price

Inactive Publication Date: 2017-03-08
UNIV OF JINAN
View PDF13 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Oxides and hydroxides of non-noble metals such as iron-cobalt-nickel have also shown excellent performance in electrolyzing water, such as nickel foam (ACS Catal. 2016, 6, 714−721) as the base electrolytic water catalyst, but the mechanical Low strength, complex preparation process, harsh conditions, etc.

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
  • Preparation method for phosphatized stainless steel electrolyzed water catalytic material
  • Preparation method for phosphatized stainless steel electrolyzed water catalytic material
  • Preparation method for phosphatized stainless steel electrolyzed water catalytic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of preparation method of water splitting electrocatalyst is as follows: 1cm 2 The stainless steel foam sheet and 2 grams of sodium hypophosphite were respectively placed in a tube furnace, and calcined at 500 ° C for 2 hours under the protection of argon to obtain a phosphating stainless steel foam electrolysis water catalyst;

[0020] The obtained phosphating stainless steel foam was used as the working electrode, the platinum electrode was used as the counter electrode, and the silver / silver chloride electrode was used as the reference electrode, and a three-electrode system was used for electrochemical analysis in 1M KOH solution. The results show that the electrocatalytic material has good hydrogen and oxygen production performance, and the hydrogen and oxygen production can reach 10mA / cm 2 The overpotentials required for the current density are 206mv and 298mv, respectively;

Embodiment 2

[0022] Method is with embodiment 1: with 1cm 2 The stainless steel foam sheet and 2 grams of sodium hypophosphite were respectively placed in a tube furnace, and calcined at 600 ° C for 2 hours under the protection of argon to obtain a phosphating stainless steel foam electrolysis water catalyst;

[0023] The results showed that hydrogen and oxygen production reached 10mA / cm 2 The overpotentials required for the current density are 236mv and 313mv, respectively;

Embodiment 3

[0025] Method is with embodiment 1: with 1cm 2 The stainless steel foam sheet and 2 grams of sodium hypophosphite were respectively placed in a tube furnace, and calcined at 400 ° C for 2 hours under the protection of argon to obtain a phosphating stainless steel foam electrolysis water catalyst;

[0026] The results showed that hydrogen and oxygen production reached 10mA / cm 2 The overpotentials required for the current density are 242mv and 323mv, respectively;

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 belongs to the preparation technical field of an electro-catalysis material, and specifically relates to a preparation method for an electrolyzed water catalytic material, and an application of the electrolyzed water catalytic material in full-decomposition hydrogen production from water and oxygen production. According to the preparation method, stainless steel is used as a substrate, and hypophosphite is used as a phosphorus source, and the mixture is calcined under inert atmosphere to prepare the phosphatized stainless steel electrolyzed water catalyst. By virtue of the phosphatized stainless steel electrocatalyst, the overpotential required by electrolyzed water is greatly lowered while the catalytic performance of the electrolyzed water is remarkably improved; and in addition, the raw materials are low in cost and easily available, the operation is simple, and the large-scale industrial production can be facilitated.

Description

technical field [0001] The invention belongs to the technical field of electrocatalytic material preparation, and in particular relates to a preparation method of phosphating stainless steel electrolytic water catalytic material. Background technique [0002] With the continuous development of modern society, the pollution produced by fossil fuels has become more and more serious. This problem has attracted more and more people's attention, and people have begun to study and solve this crucial problem that affects human existence. , based on this trend, it is urgent to find new environmentally friendly and renewable energy and fuel materials. Hydrogen is an ideal new energy source, and it is expected to become the most important energy source in the future. Hydrogen is the most abundant element in the universe. On the earth, the ocean occupies 72% of the surface area, so the hydrogen element on the earth is almost unlimited. If hydrogen energy is utilized as an energy sour...

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): H01M4/90H01M8/1007
CPCH01M4/9016H01M8/1016Y02E60/50
Inventor 李冬梅田忠贞
Owner UNIV OF JINAN
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
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap