Preparation method of bismuth ferrite-based composite material
The bismuth-based cobalt-doped molybdenum disulfide composite material was constructed through two-step hydrothermal synthesis technology, which solved the problem of insufficient conductivity and active sites of bismuth ferrate electrode materials, and achieved efficient electrocatalytic hydrogen evolution performance.
CN119706954APending Publication Date: 2025-03-28QIQIHAR UNIVERSITY
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Patent Information
- Application Number
- CN202510011721.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-05
- Publication Date
- 2025-03-28
AI Technical Summary
Technical Problem
The existing bismuth ferrate electrode materials have poor conductivity and few active sites, which leads to their low efficiency in electrocatalytic hydrogen evolution.
Method used
The two-step hydrothermal synthesis technology is used to construct a composite material with bismuth-based cobalt-doped molybdenum disulfide, which improves its conductive properties and electrochemically active sites.
Benefits of technology
It achieves efficient electrocatalytic hydrogen evolution performance, which is better than the pure bismuth ferrate material, and is close to the performance of the noble metal-based material Pt/C.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to a preparation method of a bismuth ferrite-based composite material. The invention aims to solve the problems of poor conductivity and few active sites of the existing bismuth ferrite electrode material, and provides a preparation method of an efficient electro-catalytic hydrogen evolution catalyst. According to the method, bismuth nitrate, ferric chloride, ethylene glycol, ammonia water, sodium hydroxide, thiourea, ammonium molybdate and cobalt nitrate are used as raw materials, a two-step hydrothermal method is adopted, the bismuth ferrite-based cobalt-doped molybdenum disulfide composite material is prepared, and the preparation method is provided for improving the electro-catalytic hydrogen evolution performance of existing bismuth ferrite.
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