A preparation method of graphene-supported multi-component doped magnesium diboride superconducting bulk material
A magnesium diboride and graphene technology is applied in the field of high-temperature superconducting material preparation, which can solve the problems of uneven distribution of inorganic doping sources, reducing the connectivity between crystal grains, changing the phase composition of materials, and the like, achieving a simple preparation method, The effect of improving superconductivity and reducing phase formation temperature
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0021] The preparation method of the graphene-loaded multi-component doped magnesium diboride superconducting bulk material of this embodiment comprises the following steps:
[0022] Step 1, dissolving graphene oxide in a mixed solution of ethanol and water to obtain a graphene oxide solution; then adding ethyl silicate and ethyl titanate dropwise to the graphene oxide solution, stirring evenly to obtain a mixed material; The volume ratio of ethanol and water in the mixed solution is 0.5:1, and the concentration of the graphene oxide solution is 0.01mg / mL; 1 times the mass of graphene;
[0023] Step 2. The mixed material described in step 1 is subjected to a hydrothermal reaction at a temperature of 50°C. After the reaction is completed, the filter residue is obtained by filtration, and the filter residue is washed and vacuum-dried to obtain a graphene-loaded multi-component mixed powder; The time of said hydrothermal reaction is 3h;
[0024] Step 3, heat-treating the graphe...
Embodiment 2
[0029] The preparation method of the graphene-loaded multi-component doped magnesium diboride superconducting bulk material of this embodiment comprises the following steps:
[0030] Step 1, dissolving graphene oxide in a mixed solution of ethanol and water to obtain a graphene oxide solution; then adding ethyl silicate and ethyl titanate dropwise to the graphene oxide solution, stirring evenly to obtain a mixed material; The volume ratio of ethanol and water in the mixed solution is 5:1, and the concentration of graphene oxide solution is 10mg / mL; The quality of titanium element in the described mixed material is 6 times of graphene oxide quality, and the quality of silicon element is graphite oxide 3 times the mass of alkenes;
[0031] Step 2. The mixed material described in step 1 is subjected to a hydrothermal reaction at a temperature of 150°C. After the reaction is completed, the filter residue is obtained by filtration, and the filter residue is washed and vacuum-dried ...
Embodiment 3
[0037] The preparation method of the graphene-loaded multi-component doped magnesium diboride superconducting bulk material of this embodiment comprises the following steps:
[0038] Step 1, dissolving graphene oxide in a mixed solution of ethanol and water to obtain a graphene oxide solution; then adding ethyl silicate and ethyl titanate dropwise to the graphene oxide solution, stirring evenly to obtain a mixed material; The volume ratio of ethanol and water in the mixed solution is 2:1, and the concentration of graphene oxide solution is 5mg / mL; The quality of titanium element in the described mixed material is 4 times of graphene oxide quality, and the quality of silicon element is graphite oxide 2 times the mass of alkenes;
[0039]Step 2. The mixed material described in step 1 is subjected to a hydrothermal reaction at a temperature of 100°C. After the reaction is completed, the filter residue is obtained by filtration, and the filter residue is washed and vacuum-dried to...
PUM
Property | Measurement | Unit |
---|---|---|
current density | aaaaa | aaaaa |
current density | aaaaa | aaaaa |
current density | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com