CN109777365A - A kind of liquid metal composite phase-change energy storage material and its preparation method and application - Google Patents
A kind of liquid metal composite phase-change energy storage material and its preparation method and application Download PDFInfo
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- CN109777365A CN109777365A CN201910087996.7A CN201910087996A CN109777365A CN 109777365 A CN109777365 A CN 109777365A CN 201910087996 A CN201910087996 A CN 201910087996A CN 109777365 A CN109777365 A CN 109777365A
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- liquid metal
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Abstract
The present invention relates to a kind of liquid metal composite phase-change material energy storage materials and its preparation method and application.The liquid metal composite phase-change material energy storage material is combined by liquid metal and fuse salt with mass ratio 1:(1-2).Liquid metal composite phase-change heat-storage material prepared by the present invention has the characteristics that high thermal conductivity, stability are good, production is simple；And preparation process is simple to operation.The thermal conductivity of prepared liquid metal composite phase-change energy storage material is 13-25W/ (m DEG C), latent heat of phase change value is up to 208-279kJ/L, the multiple fields such as storage and transport, solar energy storage, the chemical industry of perishable items can be widely used in, different heat transfer accumulation of heat and energy storage requirement are met.
Description
Technical field
The present invention relates to fuse salt and liquid metal fields, and in particular to a kind of liquid metal composite phase-change energy storage material and
Preparation method and application.
Background technique
It, all can be along with the variation of heat, when making full use of matter melts or crystallization when the fusing or crystallization of any substance
Thermal change, mass energy can be saved.However, in solar energy thermal-power-generating, nuclear power, heat-accumulating heat-transfer, the Refrigerated Transport of food, change
The fields such as work, drying, it is different to heat transfer accumulation of heat and the requirement of energy storage material.For example, the transport of perishable foods, storage are all
It needs in low temperature environment, but food refrigerated transit link is substantially and is realized by vehicle-mounted compressor refrigeration at present, with combustion
Oil is energy source, not only increase of transportation cost, while the pressure of environmental protection also being allowed to increase；And it is main in short-distance transport
0~10 DEG C of transportation environment can only be substantially provided, most of perishable items is unable to satisfy using mixture of ice and water as cold source
Transport, which saves, to be required.In addition, usually requiring that the heat transfer with high temperature stores in the fields such as solar energy thermal-power-generating, nuclear power, chemical industry
Heat and energy storage material.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of liquid metal composite phase-change energy storage material and its preparations
Methods and applications.Gained composite phase-change energy storage material has that high thermal conductivity, stable phase change temperature, chemical stabilization be good, the scope of application
The features such as wide, and preparation method is simple, can be widely used in the storage and transport of perishable items, solar energy heat-transferring and storage,
The fields such as chemical industry meet different heat transfer accumulation of heat and energy storage requirement.
Technical scheme is as follows:
A kind of liquid metal composite phase-change material energy storage material, it is multiple with mass ratio 1:(1-2) by liquid metal and fuse salt
It closes.
Further, the liquid metal is selected from one of gallium indium, gallium tin, gallium zinc, bismuth indium bianry alloy or a variety of；Or
Selected from one of gallium indium tin, gallium indium zinc, indium tin zinc, bismuth indium tin, bismuth indium-zinc ternary alloy or a variety of；Or it is selected from gallium indium tin zinc
And/or bismuth indium tin zinc quaternary alloy；Further preferably GaInSn10、BiInSn18、KNa22In it is one or more.
Further, the fuse salt is selected from one of villaumite, carbonate, sulfate, nitrate etc. or a variety of, preferably
KNO3、NaNO3、Ca(NO3)2With mass ratio (5~9): (40~50): fuse salt made from (45~51)；Alternatively, KCl, NaNO3、
MgSO4With mass ratio (30~35): (15~20): fuse salt made from (45~60)；Alternatively, NaCl, NaNO3、Na2CO3With matter
Amount is than (35~45): (10~15): fuse salt made from (40~55)；Alternatively, NH4Cl、K2SO4、(NH4)2S2O8、(NH4)2SO4
The eutectic mixture formed with mass ratio 50-55:22-25:12-15:16-20；Alternatively, Ca (NO3)2、KNO3、NaNO3、NaNO2
The eutectic mixture formed with mass ratio 45-47:40-42:10-12:5-7；Alternatively, MgCl2、ZnCl2With mass ratio (2.3~
3): the eutectic mixture of 1 composition.
One of as a preferred embodiment of the present invention, the liquid metal composite phase-change material energy storage material by weighing as follows
The component for measuring part is made: Liquid metal Ga InSn1050-55 parts, 50-110 parts of fuse salt；Wherein fuse salt is MgCl2、ZnCl2
With mass ratio (2.3~3): 1 eutectic mixture formed.
One of as a preferred embodiment of the present invention, the liquid metal composite phase-change material energy storage material by weighing as follows
The component for measuring part is made: liquid metal BiInSn1830-35 parts, 30-70 parts of fuse salt；Wherein fuse salt is Ca (NO3)2、KNO3、
NaNO3、NaNO2The eutectic mixture formed with mass ratio 45-47:40-42:10-12:5-7.
One of as a preferred embodiment of the present invention, the liquid metal composite phase-change material energy storage material by weighing as follows
The component for measuring part is made: liquid metal KNa2224-25 parts, 24-50 parts of fuse salt；Wherein fuse salt is NH4Cl、K2SO4、
(NH4)2S2O8、(NH4)2SO4The eutectic mixture formed with mass ratio 50-55:22-25:12-15:16-20.
The present invention also provides a kind of preparation methods of liquid metal composite phase-change energy storage material, comprising: the liquid that will be in a liquid state
State metal is mixed with fuse salt, stirring to mix to get.
The stirring can be mechanical stirring or magnetic agitation.Mixing speed is 2000~2500r/min.
The present invention also provides above-mentioned liquid metal composite phase-change heat-storage materials in the storage and transport of perishable items, solar energy
Application in the fields such as heat transfer and storage, chemical industry.
Technical effect obtained by the present invention is as follows:
Liquid metal composite phase-change heat-storage material prepared by the present invention have high thermal conductivity, stability is good, production is simple
The features such as；And preparation process is simple to operation.The thermal conductivity of prepared liquid metal composite phase-change energy storage material is 13-25W/
(m DEG C), latent heat of phase change value can be widely used in the storage and transport, solar energy storage of perishable items up to 208-279kJ/L
It deposits, the multiple fields such as chemical industry, meets different heat transfer accumulation of heat and energy storage requirement.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
A kind of liquid metal composite phase-change energy storage material of embodiment 1
Precise 50.00g liquid metal (GaInSn10) be placed in the beaker of 250mL, add 70.00g fuse salt
(MgCl2、ZnCl2The eutectic mixture formed with mass ratio 2.5:1), it is stirred under the conditions of 2000~2500r/min, until melting
Both salt and liquid metal are thoroughly mixed.
Under room temperature, after standing for 24 hours, any lamination can't see.
Testing its thermal conductivity is 13.27W/ (m DEG C), and latent heat of phase change value is up to 240kJ/L.
A kind of liquid metal composite phase-change energy storage material of embodiment 2
Precise 30.00g liquid metal (BiPbSn18) be placed in the beaker of 100.0mL, it is heated to 110 DEG C and keeps
Constant temperature adds 50.00g fuse salt (Ca (NO3)2、KNO3、NaNO3、NaNO2It is mixed with the eutectic that mass ratio 45:40:10:5 is formed
Close object), it is stirred under the conditions of 2000~2500r/min, until both fuse salt and liquid metal are thoroughly mixed.
Under room temperature, after standing for 24 hours, any lamination can't see.
Testing its thermal conductivity is 24.46W/ (m DEG C), and latent heat of phase change value is up to 208kJ/kg.
A kind of liquid metal composite phase-change energy storage material of embodiment 3
Precise 24.00g liquid metal (KNa22) be placed in the beaker of 100mL, beaker temperature is controlled at 40 DEG C, then plus
Enter 48.00g fuse salt (NH4Cl、K2SO4、(NH4)2S2O8、(NH4)2SO4The eutectic mixing formed with mass ratio 50:22:12:16
Object), it is stirred under the conditions of 2000~2500r/min, until both fuse salt and liquid metal are thoroughly mixed.
Under room temperature, after standing for 24 hours, any lamination can't see.
Test obtains its thermal conductivity 19.39W/ (m DEG C), and latent heat of phase change value is up to 279kJ/L.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (8)
1. a kind of liquid metal composite phase-change material energy storage material, which is characterized in that by liquid metal and fuse salt with mass ratio
1:(1-2) it is combined.
2. liquid metal composite phase-change material energy storage material according to claim 1, which is characterized in that the liquid metal
Selected from one of gallium indium, gallium tin, gallium zinc, bismuth indium bianry alloy or a variety of；
Or it is selected from one of gallium indium tin, gallium indium zinc, indium tin zinc, bismuth indium tin, bismuth indium-zinc ternary alloy or a variety of；
Or it is selected from gallium indium tin zinc and/or bismuth indium tin zinc quaternary alloy；
Further preferably GaInSn10、BiInSn18、KNa22In it is one or more.
3. liquid metal composite phase-change material energy storage material according to claim 1 or 2, which is characterized in that the melting
Salt is selected from one of villaumite, carbonate, sulfate, nitrate or a variety of；
It is preferred that KNO3、NaNO3、Ca(NO3)2With mass ratio (5~9): (40~50): fuse salt made from (45~51)；
Alternatively, it is preferred that KCl, NaNO3、MgSO4With mass ratio (30~35): (15~20): fuse salt made from (45~60)；
Alternatively, it is preferred that NaCl, NaNO3、Na2CO3With mass ratio (35~45): (10~15): fuse salt made from (40~55)；
Alternatively, it is preferred that NH4Cl、K2SO4、(NH4)2S2O8、(NH4)2SO4It is formed with mass ratio 50-55:22-25:12-15:16-20
Eutectic mixture；
Alternatively, it is preferred that Ca (NO3)2、KNO3、NaNO3、NaNO2It is mixed with the eutectic that mass ratio 45-47:40-42:10-12:5-7 is formed
Close object；
Alternatively, it is preferred that MgCl2、ZnCl2With mass ratio (2.3~3): 1 eutectic mixture formed.
4. liquid metal composite phase-change material energy storage material according to claim 1, which is characterized in that by following parts by weight
Component be made: Liquid metal Ga InSn1050-55 parts, 50-110 parts of fuse salt；Wherein fuse salt is MgCl2、ZnCl2With matter
It measures than (2.3~3): the eutectic mixture of 1 composition.
5. liquid metal composite phase-change material energy storage material according to claim 1, which is characterized in that by following parts by weight
Component be made: liquid metal BiInSn1830-35 parts, 30-70 parts of fuse salt；Wherein fuse salt is Ca (NO3)2、KNO3、
NaNO3、NaNO2The eutectic mixture formed with mass ratio 45-47:40-42:10-12:5-7.
6. liquid metal composite phase-change material energy storage material according to claim 1, which is characterized in that by following parts by weight
Component be made: liquid metal KNa2224-25 parts, 24-50 parts of fuse salt；Wherein fuse salt is NH4Cl、K2SO4、(NH4)2S2O8、(NH4)2SO4The eutectic mixture formed with mass ratio 50-55:22-25:12-15:16-20.
7. a kind of preparation method of liquid metal composite phase-change energy storage material characterized by comprising by the liquid being in a liquid state gold
Category mix with fuse salt, stirring extremely mixing to get；
The stirring is mechanical stirring or magnetic agitation, and mixing speed is 2000~2500r/min.
8. any liquid metal composite phase-change heat-storage material of claim 1-6 is in the storage and transport of perishable items, the sun
It can conduct heat and store, the application in chemical field.
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| CN111534282A (en) * | 2019-12-16 | 2020-08-14 | 有研工程技术研究院有限公司 | Phase-change heat storage material with low melting point and high volume latent heat, and preparation method and application thereof |
| US10914293B2 (en) | 2018-06-20 | 2021-02-09 | David Alan McBay | Method, system and apparatus for extracting heat energy from geothermal briny fluid |
| CN113889675A (en) * | 2021-09-23 | 2022-01-04 | 湖北高碳光电科技有限公司 | Spacer layer material, full-liquid alloy energy storage device and preparation method thereof |
| CN114250384A (en) * | 2020-09-24 | 2022-03-29 | 北京态金科技有限公司 | Liquid metal thermal interface material |
| CN115491180A (en) * | 2021-06-17 | 2022-12-20 | 中国科学院理化技术研究所 | Composite phase change coolant and preparation method thereof |
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| CN114250384B (en) * | 2020-09-24 | 2022-12-23 | 北京态金科技有限公司 | Liquid metal thermal interface material |
| CN115491180A (en) * | 2021-06-17 | 2022-12-20 | 中国科学院理化技术研究所 | Composite phase change coolant and preparation method thereof |
| CN113889675A (en) * | 2021-09-23 | 2022-01-04 | 湖北高碳光电科技有限公司 | Spacer layer material, full-liquid alloy energy storage device and preparation method thereof |
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