Preparation method of magnesium borohydride based on solvothermal reaction
Preparation of magnesium borohydride through solvent thermal reaction solves the problems of complex process, low safety, low yield and low purity in the prior art, and achieves low-cost and efficient preparation of magnesium borohydride, and has large-scale production capacity.
CN120483048APending Publication Date: 2025-08-15XIAN TECH UNIV
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Patent Information
- Application Number
- CN202510897465.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-01
- Publication Date
- 2025-08-15
AI Technical Summary
Technical Problem
The existing preparation methods of magnesium borohydride have problems such as complex process, low safety, low yield and low purity, which limits its large-scale application.
Method used
Magnesium borohydride is prepared by solvothermal reaction using magnesium hydride as the magnesium source and triethylamine boronane as the boron source, including ball mill pretreatment, hydrothermal reaction and vacuum drying steps, simplifying the process and improving yield and purity.
Benefits of technology
Safe and low-cost preparation of magnesium borohydride has been achieved, with significantly improved yield and purity, and has the potential for large-scale production, avoiding existing methods with high risk and high cost.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a preparation method of magnesium borohydride based on solvothermal reaction, and relates to the technical field of hydrogen storage materials, and the preparation method specifically comprises the following steps: S1, carrying out ball milling pretreatment on magnesium hydride according to a certain ball-to-material ratio; s2, adding the pretreated magnesium hydride and triethylamine borane into a self-made hydrothermal reaction kettle, then adding a solvent, starting heating and stirring procedures, carrying out a reaction for a certain time, and carrying out centrifugal separation to obtain a solid product; and S3, transferring the solid product into a tubular furnace, and carrying out vacuum drying to obtain magnesium borohydride. The method provided by the invention has the advantages of simple process, low price, one-step reaction, high safety, high yield and high purity.
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