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 ro

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0020]Example 1

[0021]A high storage density solar energy energy storage ceramic material consists of 69 parts of the silicon nitride, 37 boron nitride, 21 parts of carbide, 11.5 parts of silicide, 8.7 parts of alumina, sodium silicate. 4.5 parts, 5.4 parts of magnesium oxide and 3.2 coplastium oxide.

[0022]Each of the components is a powder having an average particle diameter of 10-50 nm.

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

[0024](1) Weigh all the components, mix, ball mills, and wear materials.

[0025](2) Mix the slurry in step (1) and the primer polyurethane foam in accordance with the weight ratio of 1:25 and stirred for 25 minutes, and then the ultrasound treatment is mixed well and uniform, and pre-press forms a strip blank;

[0026](3) Place the strip blank obtained by step (2) under 135 MPa conditions, and then dried in vacuo to obtain a blank;

[0027](4) Put the blank after step (3) is placed in a vacuum hot pressing ...

Example Embodiment

[0030]Example 2

[0031]A high storage density solar energy storage ceramic material consists of 72 parts of the following weight: 36 parts of silicon nitride, 26 boron nitride, and 10 silicide, 9 alumina, sodium silicate. 4 serviles, oxide, and 3.5 parts of cerium oxide.

[0032]Each of the components is a powder having an average particle diameter of 10-50 nm.

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

[0034](1) Weigh all the components, mix, ball mills, and wear materials.

[0035](2) Mix the slurry in step (1) and the primer polyurethane foam in accordance with the weight ratio of 1:20 and stirred for 30 minutes, then the ultrasonic treatment is mixed well and uniformly mixed, and precharged to a strip blank;

[0036](3) Place the strip of step (2) is pressed into 150 MPa conditions under 150 MPa, and then dried in vacuo to obtain a blank;

[0037](4) Place the blank after the step (3) is placed in a vacuum hot compression furnace, and...

Example Embodiment

[0040]Example 3

[0041]A high storage density solar energy storage ceramic material consists of 68 parts of the following weight: 48 parts of silicon nitride, boron nitride, 19 parts of boron, 12 parts of silicide, 7 parts of alumina, sodium silicate 5 servings of 5 parts of magnesium oxide and 2.5 coplastium oxide.

[0042]Each of the components is a powder having an average particle diameter of 10-50 nm.

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

[0044](1) Weigh all the components, mix, ball mills, and wear materials.

[0045](2) Mix the slurry in step (1) and the primer polyurethane foam in accordance with the weight ratio of 1:35 and stirred for 10 minutes, then the ultrasonic treatment is thoroughly mixed and uniform, and is pre-pressing as a strip blank;

[0046](3) Place the strip of step (2) is pressed under 120 MPa conditions, and then dried in vacuo to obtain a blank;

[0047](4) Put the blank after the step (3) is placed in a v...

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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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