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Solar energy storage ceramic material with high energy storage density

A high energy storage density, ceramic material technology, applied in the field of ceramic materials

Pending Publication Date: 2021-03-09
湖州浩通电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the energy storage efficiency of solar energy storage ceramic materials on the market still has a large room for improvement, so the present invention studies a solar energy storage ceramic material with high energy storage density

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A solar energy storage ceramic material with high energy storage density, which is composed of the following components by weight: 69 parts of silicon nitride, 37 parts of boron nitride, 21 parts of boron carbide, 11.5 parts of titanium silicide, 8.7 parts of aluminum oxide, sodium silicate 4.5 parts, 5.4 parts of magnesium oxide and 3.2 parts of lanthanum oxide.

[0022] Each component is a powder with an average particle diameter of 10-50nm.

[0023] The preparation method of the solar energy storage ceramic material specifically comprises the following steps:

[0024] (1) Weigh each component of the formula, mix and ball mill to obtain slurry;

[0025] (2) Mix the slurry in step (1) with the precursor polyurethane foam according to the weight ratio of 1:25 and stir for 25 minutes, then perform ultrasonic treatment for 7 hours to mix well, and pre-press into a strip blank;

[0026] (3) Put the strip-shaped blank obtained in step (2) under the condition of 135MPa to ...

Embodiment 2

[0031] A solar energy storage ceramic material with high energy storage density, which is composed of the following components by weight: 72 parts of silicon nitride, 36 parts of boron nitride, 22 parts of boron carbide, 10 parts of titanium silicide, 9 parts of aluminum oxide, sodium silicate 4 parts, 7 parts of magnesium oxide and 3.5 parts of lanthanum oxide.

[0032] Each component is a powder with an average particle diameter of 10-50nm.

[0033] The preparation method of the solar energy storage ceramic material specifically comprises the following steps:

[0034] (1) Weigh each component of the formula, mix and ball mill to obtain slurry;

[0035] (2) Mix the slurry in step (1) with the precursor polyurethane foam according to the weight ratio of 1:20 and stir for 30 minutes, then perform ultrasonic treatment for 5 hours to fully mix and evenly, and pre-press into a strip blank;

[0036] (3) Put the strip-shaped blank obtained in step (2) under the condition of 150MPa...

Embodiment 3

[0041] A solar energy storage ceramic material with high energy storage density, which is composed of the following components by weight: 68 parts of silicon nitride, 40 parts of boron nitride, 19 parts of boron carbide, 12 parts of titanium silicide, 7 parts of aluminum oxide, sodium silicate 5 parts, 5 parts magnesium oxide and 2.5 parts lanthanum oxide.

[0042] Each component is a powder with an average particle diameter of 10-50nm.

[0043] The preparation method of the solar energy storage ceramic material specifically comprises the following steps:

[0044] (1) Weigh each component of the formula, mix and ball mill to obtain slurry;

[0045] (2) Mix the slurry in step (1) with the precursor polyurethane foam according to the weight ratio of 1:35 and stir for 10 minutes, then perform ultrasonic treatment for 8 hours, mix well, and pre-press into a strip blank;

[0046] (3) Put the strip-shaped blank obtained in step (2) under the condition of 120MPa for compression mol...

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PUM

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Abstract

The invention discloses a solar energy storage ceramic material with high energy storage density. The solar energy storage ceramic material is prepared from the following components in parts by weight: 60-80 parts of silicon nitride, 30-45 parts of boron nitride, 15-25 parts of boron carbide, 5-15 parts of titanium silicide, 5-12 parts of aluminum oxide, 2-7 parts of sodium silicate, 3-10 parts ofmagnesium oxide and 1-5 parts of lanthanum oxide, wherein all the components are powder with the average particle size of 10-50nm; silicon nitride, boron nitride and boron nitride are adopted as basematerials, so that the ceramic material has the advantages of being good in compressive strength and high in thermal shock resistance; and meanwhile, titanium silicide, aluminum oxide, sodium silicate, magnesium oxide and lanthanum oxide are added as additives, and especially a small amount of lanthanum oxide is added, so that the energy storage density of the ceramic material can be remarkably improved. The energy storage density of the solar energy storage ceramic material with high energy storage density can reach 1000 kJ / g or above.

Description

technical field [0001] The invention relates to the technical field of ceramic materials, in particular to a solar energy storage ceramic material with high energy storage density. Background technique [0002] New energy is a variety of energy forms other than traditional energy, including solar energy, geothermal energy, ocean energy, wind energy and nuclear fusion energy. Solar energy is an inexhaustible renewable resource, and the development and utilization of solar energy is one of the important ways to realize the diversification of energy supply and ensure energy security. In recent years, under the guidance and requirements of energy conservation and emission reduction policies, the application of solar thermal technology in buildings in my country has increased significantly, and the requirements for solar building integration are also getting higher and higher. [0003] Due to the high concentration ratio (200-100KW / m 2 ), high thermal cycle temperature, small h...

Claims

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Application Information

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IPC IPC(8): C04B35/596C04B35/593C04B35/622C04B38/06
CPCC04B35/593C04B35/622C04B38/0615C04B2235/386C04B2235/3821C04B2235/3891C04B2235/3217C04B2235/3427C04B2235/3201C04B2235/3206C04B2235/3227C04B2235/5454C04B2235/658C04B2235/656C04B2235/6567C04B2235/96C04B2235/9607
Inventor 蒋庆林
Owner 湖州浩通电子科技有限公司
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