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Phase-change energy-storage material with good stability

A phase-change energy storage material and a technology for stabilizing performance, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve problems such as decreased stability, poor performance, and affecting the use effect of phase-change energy storage materials, and achieve stability Good performance, small environmental changes, and convenient storage

Inactive Publication Date: 2017-10-27
PIONEER ENERGY JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of existing phase change energy storage materials is not good, and the stability will be greatly reduced after long-term storage, which will affect the use effect of phase change energy storage materials

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] To provide a phase change energy storage material with good stability, which includes zinc dichloride, sodium hydroxide, potassium phosphite, sodium chromate, potassium fluoride, lithium nitrate, zinc nitrate, calcium dibromide, water. The proportion of each component of the phase change energy storage material with good stability is: in parts by weight, 17 parts of zinc dichloride, 15 parts of sodium hydroxide, 11 parts of potassium phosphite, 4 parts of sodium chromate, fluorine 13 parts of potassium chloride, 4 parts of lithium nitrate, 3 parts of zinc nitrate, 13 parts of calcium dibromide, and 42 parts of water.

Embodiment 2

[0015] To provide a phase change energy storage material with good stability, which includes zinc dichloride, sodium hydroxide, potassium phosphite, sodium chromate, potassium fluoride, lithium nitrate, zinc nitrate, calcium dibromide, water. The proportions of the components of the phase change energy storage material with good stability are: in parts by weight, 19 parts of zinc dichloride, 14 parts of sodium hydroxide, 13 parts of potassium phosphite, 3 parts of sodium chromate, fluorine Potassium chloride 15 parts, lithium nitrate 3 parts, zinc nitrate 6 parts, calcium dibromide 12 parts, water 44 parts.

Embodiment 3

[0017] To provide a phase change energy storage material with good stability, which includes zinc dichloride, sodium hydroxide, potassium phosphite, sodium chromate, potassium fluoride, lithium nitrate, zinc nitrate, calcium dibromide, water. The proportions of the components of the phase change energy storage material with good stability are: in parts by weight, 16 parts of zinc dichloride, 15 parts of sodium hydroxide, 9 parts of potassium phosphite, 5 parts of sodium chromate, fluorine 10 parts of potassium chloride, 5 parts of lithium nitrate, 2 parts of zinc nitrate, 14 parts of calcium dibromide, 41 parts of water.

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PUM

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Abstract

The invention discloses a phase change energy storage material with good stability, which comprises zinc dichloride, sodium hydroxide, potassium phosphite, sodium chromate, potassium fluoride, lithium nitrate, zinc nitrate, dibromo Calcium chloride, water, the ratio of each component of the phase change energy storage material with good stability is: in parts by weight, 15-20 parts of zinc dichloride, 13-16 parts of sodium hydroxide, 8 parts of potassium phosphite ‑14 parts, 2‑6 parts of sodium chromate, 9‑16 parts of potassium fluoride, 2‑6 parts of lithium nitrate, 1‑7 parts of zinc nitrate, 11‑15 parts of calcium dibromide, 40‑45 parts of water. Through the above method, the phase change energy storage material with good stability performance of the present invention can still have very good stability after long-term storage, without affecting the performance of use, and still has good stability under high temperature and low temperature conditions , less affected by environmental changes, easy to store, and use for a long time.

Description

technical field [0001] The invention relates to a phase change energy storage material, in particular to a phase change energy storage material with good stability. Background technique [0002] The emergence of phase change materials reflects the extension of the constant temperature time, and can store or release sensible heat during thermal cycles with sensible heat and insulating materials. The principle is: the phase change material stores energy during the heat transfer process, just like thermal resistance, it can prolong the energy transfer time and reduce the temperature gradient. Since phase change materials have the ability to store heat in the form of latent heat or release it to the environment during the phase change process, the introduction of phase change materials into real life through proper design can make the influence of external temperature and heat flow fluctuations be eliminated. weaken. The performance of the existing phase change energy storage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06
CPCC09K5/063
Inventor 张尹陈玲
Owner PIONEER ENERGY JIANGSU
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