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Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst and application thereof

A covalent organic framework and metal composite technology, applied in electrolytic components, electrodes, electrolytic process, etc., can solve the problems of lack of resources, well-developed metal platinum catalyst, high price, etc., and achieve cost reduction and good hydrogen evolution effect , low cost effect

Pending Publication Date: 2021-12-17
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Excellent electrocatalytic materials are the key factors to realize this technology, and metal platinum is the catalyst with the best catalytic effect in the process of hydrogen production, which is due to metal platinum has the best H + Adsorption and desorption capacity, but because metal platinum is scarce and expensive in nature, metal platinum as a catalyst has not been well developed in industrial production

Method used

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  • Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst and application thereof
  • Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst and application thereof
  • Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0044] Example 1-6 Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst

[0045] Examples 1-6 are respectively a preparation method of a single-hole covalent organic framework compound and a metal composite hydrogen evolution catalyst. The process parameters for preparing a single-hole covalent organic framework compound and a metal composite hydrogen evolution catalyst are shown in Table 1, and are carried out according to the following steps:

[0046] (a1) Preparation of single-hole covalent organic framework compounds

[0047] Add anhydrous zinc chloride and 2,2'-bipyridyl-5,5'-dicarbonitrile into the ampoule at a molar ratio of 1:10, and vacuum the ampoule for 5-10 minutes; then put The ampoule is sealed with an ampoule sealing machine in a degassed state; the sealed ampoule is placed in a tube furnace and heated to 400-600°C with a gradient at room temperature, and kept for 30-40h, then cooled to room temper...

Embodiment 7-12

[0054] Example 7-12 Preparation method of single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst

[0055] Examples 7-12 are respectively a preparation method of a single-hole covalent organic framework compound and a metal composite hydrogen evolution catalyst. The process parameters for preparing a single-hole covalent organic framework compound and a metal composite hydrogen evolution catalyst are shown in Table 2, and are carried out according to the following steps:

[0056] (b1) Preparation of single-hole covalent organic framework compounds

[0057] Add anhydrous zinc chloride and 2,2'-bipyridine-5,5'-dicarbonitrile into the ampoule at a molar ratio of 1:10, and vacuum the ampoule for 5-10 minutes; then put The ampoule is sealed with an ampoule sealing machine in a degassed state; the sealed ampoule is placed in a tube furnace and heated to 400-600°C with a gradient at room temperature, and kept for 30-40h, then cooled to room tem...

Embodiment 13

[0064] Example 13 Application of Single Pore Covalent Organic Framework Compound and Metal Composite Hydrogen Evolution Catalyst

[0065] This example provides an application of a single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst prepared by any one of the methods for preparing a single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst in Examples 1 to 6. , and an application of the single-hole covalent organic framework compound and the metal composite hydrogen evolution catalyst prepared by the preparation method of any one of the single-hole covalent organic framework compound and the metal composite hydrogen evolution catalyst in Examples 7-12, they are used Catalysts for the production of hydrogen in industrial electrocatalytic hydrogen evolution reactions. The structure of the single-hole covalent organic framework compound prepared in Examples 2-12 is similar to that of the single-hole ...

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Abstract

The invention belongs to the field of catalyst preparation, and discloses a preparation method of a single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst, which comprises the following steps: preparing a single-hole covalent organic framework compound, dissolving the single-hole covalent organic framework compound, lauryl sodium sulfate and metal salt in ultrapure water, and the like to obtain the catalyst. Another preparation method of the single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst comprises the following steps: preparing the single-hole covalent organic framework compound, dissolving the single-hole covalent organic framework compound and metal salt in ultrapure water, and the like to obtain the catalyst. The preparation method is simple and low in cost. The preparation method is suitable for preparing the single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst, and the prepared single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst is suitable for preparing hydrogen in industrial electro-catalysis hydrogen evolution reaction.

Description

technical field [0001] The invention belongs to the field of catalyst preparation, and relates to a preparation method of a hydrogen evolution catalyst, in particular to a preparation method and application of a single-hole covalent organic framework compound and metal composite hydrogen evolution catalyst. Background technique [0002] With the rapid development of the new energy industry, electrocatalytic energy conversion and storage technologies have played an important role in replacing fossil energy, reducing carbon emissions, and obtaining high value-added chemicals. Electrocatalyst is a special catalyst used to catalyze the reaction of water splitting into hydrogen and oxygen in an electrolyzer. The hydrogen generated by this reaction can be stored and converted into electricity again at any time. The only by-product in the whole process is electrolysis Water, which can also be reused, is the greenest energy system. Excellent electrocatalytic materials are the key f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B11/095C25B11/097C25B1/04
CPCC25B11/04C25B1/04Y02E60/36
Inventor 乔山林张博颖李青白若男王文搏张云瑞王宁
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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