Preparation method and application of novel mesoporous nickel cobaltate metal nanorod

By preparing mesoporous nickel cobalt acid metal nanorods and loading gold, the problem of insufficient active sites of single cobalt nickel oxide in catalytic reactions is solved, efficient catalysis and stability are achieved, and there are broad prospects for environmental governance and energy conversion application.

CN119702001APending Publication Date: 2025-03-28YANGZHOU POLYTECHNIC INST +1
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Patent Information

Application Number
CN202411730265.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The number and accessibility of single cobalt nickel oxide in catalytic reactions is insufficient, making it difficult to meet the requirements of efficient catalysis.

Method used

By preparing a mesoporous nickel cobalt acid metal nanorod and uniformly loading the gold on its surface, a gold-supported mesoporous cobalt-nickel oxide catalyst is formed. The method includes the preparation of a cobalt-nickel metal organic frame, the preparation of a cobalt-nickel precursor material by hydrothermal method, calcination to form a cobalt-nickel oxide, gold-supported and high-temperature activation.

Benefits of technology

It has achieved high catalytic activity and stability of the catalyst, can effectively degrade pollutants, and is suitable for environmental governance and energy conversion fields.

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Abstract

The invention relates to the technical field of functional materials, and particularly discloses a preparation method and application of a novel mesoporous nickel cobaltate metal nanorod, a certain amount of cobalt-nickel inorganic solution, carbamide, ammonium fluoride and deionized water are used for carrying out hydrothermal reaction, suction filtration and washing are carried out for several times, preliminary drying is carried out under a specific temperature condition, and the mesoporous nickel cobaltate metal nanorod is obtained. And calcining under a specific activation temperature condition, mixing with a certain amount of chloroauric acid solution, washing, drying and activating to finally prepare the gold-loaded mesoporous cobalt-nickel oxide. The mesoporous gold-loaded nickel cobaltate metal nanorod has the advantages of rich pore structure, large specific surface area, strong toluene adsorption catalysis capability and the like, has high catalytic activity and stability, and can meet the requirement of efficient catalysis in a catalytic reaction, and the preparation method of the nickel cobaltate metal nanorod is low in energy consumption, simple to operate and suitable for industrial production. The prepared nanorod is especially suitable for being used as a catalyst for organic gas purification treatment, and has a very considerable application prospect in the aspects of environmental treatment, energy conversion and the like.
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