Porous C material loaded with S and N co-coordinated Cu nanoclusters as well as preparation method and application of porous C material

CN120797043APending Publication Date: 2025-10-17BEIJING INST OF TECH
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Patent Information

Application Number
CN202510856979.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

In existing CO2 reduction reactions, ethylene becomes the mainstream component of C2+ products, making it difficult to precisely control the reaction pathway, inhibit ethylene competitive reactions, and achieve highly selective production of C2+ alcohol compounds.

Method used

Prepare porous C materials loaded with S and N co-coordinated Cu nanoclusters. Through the three-dimensional porous structure of the C substrate and the precisely designed coordination engineering strategy, the reaction process is optimized and the catalytic performance is improved.

Benefits of technology

At a current density of 200 mA cm-2, the selectivity of polyols reached 59%. The material exhibited excellent catalytic performance and stability, achieving efficient generation of C2+ alcohol compounds.

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Abstract

The invention belongs to the technical field of cluster coordination engineering catalysts, and particularly relates to a porous C material loaded with S and N co-coordinated Cu nanoclusters as well as a preparation method and application of the porous C material. The material comprises four elements of Cu, C, S and N. And the Cu nanoclusters are anchored and uniformly dispersed on the surface of the porous C carrier in an S and N co-coordination manner. The material provided by the invention is simple in process, convenient to operate, efficient and stable, and can be used as an electrocatalytic CO2 reduction reaction catalyst. The three-dimensional porous structure of the C substrate provides powerful support for efficient mass transfer of reactants, and the reaction process is greatly optimized. And the precisely designed coordination engineering strategy can perform gradient adjustment on the adsorption strength of the key intermediate, so that the catalytic performance is further improved. The catalyst shows excellent performance in CO2RR, and when the current density is 200 mA cm <-2 >, the selectivity of the multi-carbon alcohol is as high as 59%. The method provided by the invention is expected to become a universal and convenient new way for preparing the CO2 reduction electrocatalyst.
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