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Niobate-based high-energy-storage-density luminescent energy-storage material and preparation method thereof

A technology of high energy storage density and energy storage material, applied in the field of high energy storage density luminescent energy storage materials and their preparation, can solve the problems of rare research reports on energy storage films, and achieve high mechanical stability and good application prospects. , the effect of hyperthermia

Inactive Publication Date: 2017-08-15
郭和谦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many studies based on niobate-based glass ceramics, but there are few research reports on energy storage thin films based on niobate-based glass ceramics.

Method used

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  • Niobate-based high-energy-storage-density luminescent energy-storage material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Choose PbO, SrCO with a purity of not less than 99.9% 3 、Na 2 CO 3 , Nb 2 o5 and SiO 2 as raw material, according to Pb 2+ 、Sr 2+ 、Na + , Nb 5+ and Si 4+ The molar ratio is 4:6:20:40:30 for batching, 5-15mm agate balls are used as the grinding medium, and after mixing for 4 hours in the mixing tank with a turning mixer, add the evenly mixed raw materials into the platinum crucible , hold at a high temperature of 1420°C for 3 hours to form a uniform molten glass, quickly pour the glass liquid into a metal mold at 500°C, put it into an annealing furnace for stress relief annealing after forming, hold for 6 hours, and cool with the furnace. To obtain flakes, conduct controllable crystallization heat treatment on the flakes. First, keep the temperature at 600°C for 3 hours, then slowly raise the temperature to 900°C, keep the temperature for 3 hours to make the crystal nuclei grow uniformly, and obtain the niobate ceramic phase as the main crystal phase. The glass-...

Embodiment 2

[0034] Choose PbO, SrCO with a purity of not less than 99.9% 3 、Na 2 CO 3 , Nb 2 o 5 and SiO 2 as raw material, according to Pb 2+ 、Sr 2+ 、Na + , Nb 5+ and Si 4+ The molar ratio is 6.2:9.4:15.6:31.2:37.6 for batching, 5-15mm agate balls are used as the grinding medium, and after mixing for 4 hours in the mixing tank with a turning mixer, add the evenly mixed raw materials into the platinum crucible , hold at a high temperature of 1450°C for 3 hours to form a uniform molten glass, quickly pour the glass liquid into a metal mold at 500°C, put it into an annealing furnace for stress relief annealing after forming, hold for 6 hours, and cool with the furnace. The flakes are obtained, and the flakes are subjected to controllable crystallization heat treatment. First, they are kept at 600°C for 3 hours, then slowly heated to 950°C, and kept at 3 hours to make the crystal nuclei grow uniformly, and the main crystal phase is obtained with the niobate ceramic phase The glass-...

Embodiment 3

[0040] Choose PbO, SrCO with a purity of not less than 99.9% 3 、Na 2 CO 3 , Nb 2 o 5 and SiO 2 as raw material, according to Pb 2+ 、Sr 2+ 、Na + , Nb 5+ and Si 4+ The molar ratio is 1:1.8:3:8:7 for batching, the agate balls of 5-15mm are used as the grinding medium, and after mixing for 4 hours in the mixing tank with a turning mixer, add the evenly mixed raw materials into the platinum crucible , hold at a high temperature of 1430°C for 3 hours to form molten glass that melts uniformly, quickly pour the glass liquid into a metal mold at 500°C, put it into an annealing furnace for stress relief annealing after forming, hold for 6 hours, and cool with the furnace. To obtain flakes, conduct controllable crystallization heat treatment on the flakes. First, keep the temperature at 600°C for 3 hours, then slowly raise the temperature to 940°C, and keep the temperature for 3 hours to make the crystal nuclei grow uniformly, and obtain the niobate ceramic phase as the main cry...

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Abstract

The invention provides a niobate-based luminescent energy storage material with high energy storage density and a preparation method thereof. The material includes a top electrode, a deposition medium, a substrate and a bottom electrode. The preparation method is as follows: raw materials PbO, SrCO 3 、Na 2 CO 3 , Nb 2 o 5 and SiO 2 After grinding, heating and melting, it is formed into a sheet in a mold, and after heat treatment of controllable crystallization, a disc energy storage target is obtained; BeO, BeCl, Nb 2 o 5 and Sm 2 o 3 After being ground, heated and melted, it is formed into a sheet in a mold, and after a controllable crystallization heat treatment, a disc light-emitting target is obtained; the energy storage material and the light-emitting material are respectively deposited on the surface of the substrate, and then through the photoresist process and magnetic Controlled sputtering, the surface of the substrate is plated with gold to form the top electrode, the bottom surface of the substrate is plated with aluminum to form the bottom electrode, and a niobate-based luminescent energy storage material with high energy storage density is formed.

Description

technical field [0001] The invention belongs to the technical field of niobate materials, in particular to a niobate-based luminescent energy storage material with high energy storage density and a preparation method thereof. Background technique [0002] Sintered ceramics is a dielectric material prepared by powder solid-state sintering. It has many advantages such as extremely high dielectric constant, good temperature stability, small leakage current density, wear resistance, and not easy to age and deteriorate. , but in the actual sintering process, it is inevitable that pores will be generated in the ceramics, and impurities will be enriched in grain boundaries and surface defects. Therefore, adding glass frit will not only effectively reduce the sintering temperature of ceramics, save energy, and reduce the porosity of ceramics. Improve the density, and further improve the insulation performance and breakdown strength of sintered ceramics. [0003] Niobate glass ceram...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/02C03C6/04C03C6/00C03C4/12C03C4/00C23C14/08C23C14/34
CPCC03C10/00C03C1/00C03C4/00C03C4/12C23C14/083C23C14/3414C23C14/3464
Inventor 郭和谦
Owner 郭和谦
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