Pt/C-N composite electrocatalytic material with efficient hydrogen evolution performance and preparation method thereof

An electrocatalytic material, C-N technology, applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of low catalytic activity of catalysts, difficult to achieve large-scale utilization, and high preparation costs, and achieve high efficiency. The effect of hydrogen evolution performance, low cost and simple operation
CN110961131AInactive Publication Date: 2020-04-07CHINA UNIV OF GEOSCIENCES (BEIJING)
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA UNIV OF GEOSCIENCES (BEIJING)
Publication Date
2020-04-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

Belonging to the technical field of energy catalytic conversion, the invention relates to a Pt / C-N composite electrocatalytic material with efficient hydrogen evolution performance and a preparation method thereof. The Pt / C-N composite electrocatalytic material is formed by anchoring Pt metal nanoparticles on the surface of a nitrogen-doped biomass carbon material in situ, the particle size of Ptmetal nanoparticles in the Pt / C-N composite electrocatalytic material is about 1nm-10nm, an exposed crystal face is a {111} active crystal face, and the loading capacity is 3-25wt%. In the Pt / C-N composite electrocatalytic material provided by the invention, N atoms are doped in situ in the biomass carbon material, Pt metal nanoparticles are uniformly loaded on the biomass carbon material, the loading capacity controllable, crystal grain size is adjustable, the Pt metal nanoparticles have excellent electrocatalytic hydrogen evolution activity, and the biomass carbon material and the Pt metal nanoparticles are tightly combined, the stability of the electrocatalytic material in catalytic reaction is substantially improved, and the Pt / C-N composite electrocatalytic material has wide application prospects in the fields of electro-catalysis, electrochemistry, energy, environment, chemical industry and the like.
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Description

technical field

[0001] The invention relates to a Pt / C-N composite electrocatalytic material with high-efficiency hydrogen evolution performance and a preparation method thereof, belonging to the technical field of energy catalytic conversion. Background technique

[0002] Since the 21st century, it is very urgent for people to develop clean new energy, improve energy utilization efficiency and control environmental pollution to solve the severe challenges of energy and environment. Chemical reaction control is the core science and technology of energy conversion, petrochemical industry and solving environmental problems. The "cornerstone" of high efficiency in the fields of chemical industry and even environmental protection, innovative research on high-efficiency composite catalysts will have an extremely important impact on alleviating energy and environmental problems.

[0003] Platinum (Pt) is a small noble metal molecule with unique activation properties. Because the ...

Claims

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