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Composite superconducting thin film material and preparation method thereof

A technology of superconducting thin films and manufacturing methods, which is applied in the usage of superconducting elements, superconducting devices, superconducting/high-conducting conductors, etc. The effect of reducing production costs

Inactive Publication Date: 2018-02-16
蒋艳玲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method has encountered many difficulties when it comes to practical application, the irradiated material is radioactive, and it is not feasible from an economic point of view

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A composite superconducting thin film material is composed of the following components according to mass percentage: 12.9% yttrium trifluoroacetate, 25.8% barium trifluoroacetate, 2.5% terpineol, 1.5% methanol, 10.5% acetylacetone, 6.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

Embodiment 2

[0026] A composite superconducting thin film material is composed of the following components according to mass percentage: 13.3% yttrium trifluoroacetate, 22.8% barium trifluoroacetate, 2.5% terpineol, 1.5% methanol, 11.5% acetylacetone, 6.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

Embodiment 3

[0028] A composite superconducting thin film material is composed of the following components according to mass percentage: 13.9% yttrium trifluoroacetate, 23.5% barium trifluoroacetate, 2.5% terpineol, 1.5% methanol, 12.5% ​​acetylacetone, 7.5% zirconium acetylacetonate and the balance niobium. During preparation, mix yttrium hydrochloric acid solution, barium hydrochloric acid solution, titanium hydrochloric acid solution, zirconium hydrochloric acid solution and niobium hydrochloric acid solution evenly, the pH value is between 5.0-6.0, remove water to obtain pure gel; add terpineol to prepare The precursor solution is obtained, and coated on the substrate for low-temperature thermal decomposition; after the treated substrate is heat-treated, it is annealed and heat-treated to obtain a superconducting thin film material.

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PUM

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Abstract

The invention relates to a composite superconducting thin film material and a preparation method thereof. The composite superconducting thin film material is prepared from the following components inpercentage by mass: 12.5 to 20.3 percent of yttrium trifluoroacetate, 22.1 to 25.8 percent of barium trifluoroacetate, 2.3 to 3.5 percent of terpilenol, 1.5 to 2.5 percent of methyl alcohol, 8.9 to 12.5 percent of titanium acetylacetonate, 5.5 to 8.0 percent of zirconium acetylacetone and the balance of niobium. The preparation method comprises the following steps: during preparation, providing various hydrochloric acid solutions; uniformly mixing the solution and adjusting a pH value; removing water to obtain pure gel; adding the terpilenol to obtain a precursor solution and coating the precursor solution on a substrate for carrying out low-temperature thermal decomposition; carrying out heat treatment on the treated substrate, and then carrying out annealing heat treatment to obtain thecomposite superconducting thin film material. The inventor performs screening experiments of a large number of components and use amounts at the early stage, the composite superconducting thin film material disclosed by the invention has the advantages that the current carrying capacity of the thin film material is greatly improved, the production cost of coated conductors is reduced and the application range of the superconducting thin film material is widened; the composite superconducting thin film material is bound to have a broad application prospect.

Description

technical field [0001] The invention belongs to the technical field of superconducting materials, and in particular relates to a composite superconducting thin film material and a manufacturing method thereof. Background technique [0002] Due to its unique physical properties (zero resistance, diamagnetism, tunnel effect, etc.), superconducting materials have attracted the attention of many scientists for nearly a century. Devices and equipment such as superconducting cables, superconducting transformers, superconducting motors, superconducting current limiters, and superconducting energy storage systems made of superconducting materials have the advantages of small size, light weight, high efficiency, and energy consumption that cannot be compared with conventional products. It has the advantages of low cost and large capacity, and has broad application prospects in the field of electric power. In order to realize the application of high-temperature superconducting materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/495C04B35/622C04B35/624C04B35/632H01B12/06
CPCC04B35/495C04B35/62218C04B35/624C04B35/632C04B35/6325C04B2235/3215C04B2235/3225C04B2235/3232C04B2235/3244C04B2235/44C04B2235/449H01B12/06Y02E40/60
Inventor 蒋艳玲
Owner 蒋艳玲
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