CN106634858B - Composite phase-change energy-storing material and its preparation method and application - Google Patents
Composite phase-change energy-storing material and its preparation method and application Download PDFInfo
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Abstract
The present invention relates to a kind of composite phase-change energy-storing material and preparation method thereof, the component of the composite phase-change energy-storing material and the mass percentage of each component are calcium chloride hexahydrate 80-95%, phase separation inhibitor 1.5-15%, nucleating agent 0-5%.The preparation method of composite phase-change energy-storing material of the present invention is the anhydrous calcium chloride and water for weighing equal mass, and stirring is completely dissolved to anhydrous calcium chloride, obtains the first solution；Nucleating agent is added into first solution, stirs, obtains the second solution；Phase separation inhibitor is added into second solution, stirs to get the composite phase-change energy-storing material of liquid is arrived.Of the present invention using calcium chloride hexahydrate as the energy-accumulation material of phase-change material, degree of supercooling is small, still keeps phase transformation complete after iterative cycles, and accumulation of energy rate is high, is more suitable for practical application.
Description
Technical field
The present invention relates to a kind of phase-change materials, more particularly to a kind of inorganic compounding energy storage materials of phase change and preparation method thereof
And application.
Background technique
Building energy consumption accounts for about the 1/3 of China's total energy consumption, how to improve the application percentage of renewable energy in building, rationally benefit
With the energy, drawings efficiency is the outstanding problem put in face of building energy conservation.National Program for Medium-to Long-term Scientific and Technological Development
It is also explicitly pointed out in (2006-2020), the energy is to give priority to field, actively to develop energy-saving building technology, develops solar energy
With other renewable energy utilization technologies, and develop the saving utilization technology of the energy.
China consumes a large amount of fossil energy resource still based on thermal power generation at present.Electrical power heat-supply be Special section or
Under the conditions of the supplement that heats；And electric energy refrigeration is universal refrigerating method.Summer air-conditioning refrigeration consumes a large amount of electric energy, and with daytime
Night difference variation occurs peak of power consumption (peak phase) daytime, and network load aggravates, and the unlatching of night air-conditioning is less, and network load is again
Wretched insufficiency (paddy phase), occur electric energy cannot rationally using and cause to waste.
Energy storage materials of phase change is the ideal material solved the problems, such as above.When environment temperature is higher than material phase transformation temperature, phase
Becoming energy-accumulation material can be absorbed heat, and room temperature is inhibited to rise；When environment temperature is lower than phase transition temperature, phase-change heat-storage material
Heat can be released again, inhibit room temperature decline.It can be by the solar radiant heat " when shifting " on daytime to using at night, valley period power
Thermal energy is converted into for night heating or is converted into " cold " for adjusting room temperature daytime.It is answered using room temperature phase-change heat-storage material
For building field, using circumstance of temperature difference, the energy consumption of heating can be reduced in heating period, summer reduces the opening times of air-conditioning,
Reduce the variation of network load.Ambient temperature can be adjusted in certain temperature range, reduces fluctuations in indoor temperature, improve room
Interior comfort level realizes the reasonable using with important application value of energy.
In numerous phase-change materials, calcium chloride hexahydrate is because of its suitable phase transition temperature (29 DEG C or so), preferable thermal conductivity
And storage density and cheap, it is safe and non-toxic the advantages that and receive significant attention.But it is the same with other inorganic hydrated salts, six
There are problem of phase separation water calcium chloride, i.e., it melts the aqueous solution for becoming liquid inorganic salts undergoing phase transition from solid-state hydrated salt
In the process, inorganic salts cannot be dissolved completely in its crystallization water and be settled down to container bottom, result in material effective component with
Phase transformation cycle-index increases and constantly reduces, accumulation of energy performance degradation, and material actual performance and service life are far below theoretical value.
The solution of the problem of for Solid-Liquid Separation is also very much, such as plus thickener, tray method or rock agitation etc., by
It is not limited, therefore is studied most by containers and use condition in addition thickener method.These thickeners predominantly can
The organic matter that spacial framework is formed by gel reaction, such as sodium carboxymethylcellulose, starch, glycerol, trimethylolpropane
Deng playing suspension effect in phase-change material, reduce the generation mutually separated.However, the actual effect of these organic thickening agents
It is often limited by conditions such as thickener type, concentration, system temperature and pH, the addition of organic matter is also possible to increase and prevents fires, is mould
Become the risk of rot etc..
Summary of the invention
It is a primary object of the present invention to, a kind of inorganic compounding energy storage materials of phase change and its preparation method and application is provided,
The technical problem to be solved is that the degree of supercooling for reducing calcium chloride hexahydrate, the degree of transformation of calcium chloride hexahydrate is improved, and then is improved
The service life of phase-change material, thus more suitable for practical.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.
A kind of composite phase-change energy-storing material proposed according to the present invention, the component of the energy-accumulation material and each component
Mass percentage is
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, a kind of composite phase-change energy-storing material above-mentioned, wherein the mass percentage of the nucleating agent is
0.5-5%.
Preferably, a kind of composite phase-change energy-storing material above-mentioned, wherein the phase separation inhibitor and nucleating agent is nothing
Machine object.
Preferably, a kind of composite phase-change energy-storing material above-mentioned, wherein the phase separation inhibitor is silica gas
The combination of one or more of gel, diatomite, attapulgite, sepiolite, zeolite.
Preferably, a kind of composite phase-change energy-storing material above-mentioned, wherein the nucleating agent is six water strontium chlorides and/or sulphur
Sour barium.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.
A kind of preparation method of composite phase-change energy-storing material proposed according to the present invention, including, weigh the nothing of equal mass
Water calcium chloride and water, stirring are completely dissolved to anhydrous calcium chloride, obtain the first solution；Nucleation is added into first solution
Agent, stirring, obtains the second solution；Phase separation inhibitor is added into second solution, stirs to get the compound phase of liquid is arrived
Become energy-accumulation material, the composite phase-change energy-storing material be it is any one of aforementioned described in.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.
The application of a kind of composite phase-change energy-storing material proposed according to the present invention, by aforementioned described in any item phase-changing energy-storings
Material is applied to the fields such as space flight, building, clothes, refrigeration equipment, military affairs, communication, electric power, agricultural.
By above-mentioned technical proposal, composite phase-change energy-storing material of the present invention and preparation method thereof is at least had the advantage that
1, the supercooling temperature of composite phase-change energy-storing material provided by the invention is less than 3 DEG C.
The phase transition temperature (29 DEG C or so) of inorganic phase-changing material calcium chloride hexahydrate, but due to calcium chloride hexahydrate solution inside
There is surfusion (mistake so that calcium chloride hexahydrate solution does not solidify still when temperature is reduced to 29 DEG C in the random motion of molecule
Cold (Supercooling) refers to not to be crystallized when liquid is cooled to " freezing point ", and need to be cooled to " freezing point " below
The phenomenon that just starting crystallization when certain temperature.All there is surfusion in most of inorganic hydrated salts, degree of supercooling is from the several years to tens
Degree differs, this will bring many bad even fatal influences to practical application.Surfusion Producing reason can be from
Thermodynamic condition that crystal is nucleated from melt is explained.).The surfusion of calcium chloride hexahydrate is fairly obvious, need to reduce temperature
To 22 DEG C, even 20 DEG C, calcium chloride hexahydrate can just solidify.This unstable phenomenon of calcium chloride hexahydrate affects its conduct
The application of phase-change material.
The present invention joined the nucleating agent that mass percentage is 0-5% in calcium chloride hexahydrate, nucleating agent of the present invention
It is added, destroys the random motion of calcium chloride hexahydrate molecules in solution, when temperature is reduced to phase transition temperature, make six water chlorinations
Calcium can be crystallized smoothly when ambient temperature is reduced to phase transition temperature, be undergone phase transition.
The phase transition temperature of composite phase-change energy-storing material provided by the invention be 27-29 DEG C, enthalpy of phase change 140-180kJ/kg it
Between, degree of supercooling is less than 3 DEG C.
2, phase-change material long service life provided by the invention.
It is existing using calcium chloride hexahydrate as the accumulation of energy substance of phase-change material, in use, since phase transformation is incomplete, drop
The low service life of phase-change material.
Crystalline hydrate salt is to realize heat accumulation and cold-storage by melting with releasing in process of setting and absorbing the crystallization water, is used
General formula ABxH2O indicates crystalline hydrate salt, phase-change mechanism are as follows: salt AB is dissolved in the crystallization water of abjection when heating, when cooling
Heat release, occurs inverse process, and salt AB forms hydrated salt in conjunction with water.As inorganic hydrated salt ABxH2The crystallization water is de- when O heating fusing
It is born into AByH2O (y < x) inorganic salt compound, AByH2O can completely or partially be dissolved in remaining (x-y) mole of water
In.Part salt maintains undissolved state since solubility is lower, these remaining salt can deposit to appearance since density is larger
Device bottom forms and is separated by solid-liquid separation.When carrying out decrease temperature crystalline, crystal can firstly generate the friendship in saturated solution and solid deposits
On interface, crystal growth is then carried out upwards again.One layer of " film " for playing barrier action is formed on the surface of solid deposits in this way,
Prevent the solid salt of bottom deposit with the contact of solution, so that original inorganic hydrated salt crystal cannot be formed.Cooling terminates
When, the material of whole system is divided into three layers: base material is the solid layer for failing dissolution, and centre is brilliant for the hydrated salt for forming crystallization
Body layer, top are weak solution layer.With the increase of fusing-solidification times of thermal cycle, the deposit of bottom is more and more, and intermediate
Control that exergonic material is fewer and fewer, the energy storage effect of system will gradually be deteriorated, and will finally completely lose energy storage effect.
The mutually phase transition performance and service life of the appearance of layering and the great attenuating material of aggravation meeting is added mutually separation and inhibits
Agent is to enable material also be able to maintain preferable phase transformation ability after phase transformation circulation repeatedly.The present invention adds in calcium chloride hexahydrate
The phase separation inhibitor that mass percentage is 1.5-15% is entered, on the one hand, promote the complete phase transformation of calcium chloride hexahydrate；Another party
Face provides skeleton function for the phase transformation of calcium chloride hexahydrate, so that the temperature in calcium chloride hexahydrate is uniform, calcium chloride hexahydrate totality
Surface area increases, and the completion of calcium chloride hexahydrate phase transformation is further promoted, to increase making for energy storage materials of phase change of the present invention
Use the service life.
Composite phase-change energy-storing material provided by the invention is recycled by 2000 times, and latent heat of phase change is decayed less than 5%, is improved
The accumulation of energy amount of each phase transition process, increases service life, improves the utilization rate of resource, be more suitable for practical application.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Preferred embodiment, to composite phase-change energy-storing material proposed according to the present invention and preparation method thereof, specific embodiment, knot
Structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or " embodiment " refers to different
It surely is the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable form groups
It closes.
The present invention provides a kind of composite phase-change energy-storing material.
The component of composite phase-change energy-storing material of the present invention and the mass percentage of each component are
The present invention is using inorganic calcium chloride hexahydrate as phase-change material, and being added to mass percentage is 1.5-15%'s
Phase separation inhibitor promotes calcium chloride hexahydrate in each phase transition process, and phase transformation is more complete, increases phase-changing energy-storing of the present invention
The service life of material；Phase transformation is more complete, improves the accumulation of energy amount of calcium chloride hexahydrate single phase transition process, thus more suitable for
Practical application.The content of phase separation inhibitor of the present invention not preferably less than 1.5%, otherwise it cannot be mentioned for all calcium chloride hexahydrates
For promotion and skeleton function, it is incomplete mutually to separate inhibitory effect；The content of phase separation inhibitor of the present invention should not be higher than 15%, because
For relative to calcium chloride hexahydrate, the phase separation inhibitor of addition is that impurity hinders if the content of phase separation inhibitor is excessive
The crystallization of calcium chloride hexahydrate molecule can also enable the ratio of effective phase-change material in system reduce, reduce phase-change thermal storage ability.
Inorganic phase-changing material provided by the invention, while it being added to the nucleating agent that mass percentage is 0-5%, it accelerates
The phase velocity of calcium chloride hexahydrate reduces the degree of supercooling of calcium chloride hexahydrate, improves the stability of phase-change material, thus more
Suitable for practical application.The mass percentage of nucleating agent of the present invention should not be higher than 5%, because of nucleating agent too high levels, Bu Huiqi
To the better effect for reducing degree of supercooling, and the ratio of effective phase-change material in system is enabled to reduce, reduces phase-change thermal storage ability.
Further, the phase separation inhibitor in composite phase-change energy-storing material of the present invention and nucleating agent are inorganic
Object.
The viscosity or suspension for increasing system the prior art mainly adopts organic material, weaken asking for Solid-Liquid Separation
Topic, promotes the phase transformation of calcium chloride hexahydrate, such as sodium carboxymethylcellulose, starch, glycerol, trimethylolpropane, however, these have
The actual effect of machine thickener is often limited by conditions such as thickener type, concentration, system temperature and pH, the addition of organic matter
It is also possible to increase fire prevention, rotten etc. risk of going mouldy.
The present invention selects the phase separation inhibitor and nucleating agent of inorganic material, same the shortcomings that overcoming above-mentioned organic material
When, it further reduced the degree of supercooling of calcium chloride hexahydrate, the accumulation of energy amount for improving single phase transformation, be more conducive to practical application.
Further, the phase separation inhibitor in composite phase-change energy-storing material of the present invention is silica airsetting
The combination of one or more of glue, diatomite, attapulgite, sepiolite, zeolite.
The present invention further by inorganic phase separation inhibitor be limited to aerosil, diatomite, attapulgite,
The combination of one or more of sepiolite, zeolite.
The above-mentioned phase separation inhibitor that the present invention uses larger, high surface activity, light, porosity with specific surface area
Greatly, the features such as density is low, strong adsorption, acid and alkali-resistance.Meanwhile above-mentioned phase separation inhibitor can be provided in certain heterogeneous nucleation
The heart plays the role of promoting nucleation, reduces the effect of degree of supercooling.Under conditions of no nucleating agent, composite phase-change of the present invention stores
The crystallization temperature of energy material is 27-29 DEG C.
Further, the nucleating agent in composite phase-change energy-storing material of the present invention is six water strontium chlorides and/or sulfuric acid
Barium.
Inorganic nucleating agent is further limited to six water strontium chlorides and/or barium sulfate by the present invention.
Barium sulfate property is sufficiently stable, non-toxic and tasteless, is the powder for being practically insoluble in water, can provide in heterogeneous nucleation
The heart.
Invention further provides a kind of preparation methods of above-mentioned composite phase-change energy-storing material.
The anhydrous calcium chloride and water of equal mass are weighed, stirring is completely dissolved to anhydrous calcium chloride, obtains the first solution；
Nucleating agent is added into first solution, stirs, obtains the second solution；
Phase separation inhibitor is added into second solution, stirs to get the composite phase-change energy-storing material of liquid is arrived.
Invention further provides a kind of applications of above-mentioned composite phase-change energy-storing material.
Phase-change material of the present invention can be applied to space flight, building, clothes, refrigeration equipment, military affairs, communication, electric power, agriculture
The fields such as industry.
In the application of space industry, for example, phase-change material provided by the invention is used for the clothes of astronaut, outside return capsule
Shell etc.；In the application of building field, for example, phase-change material provided by the invention is used for material of warming oneself, energy resources are saved；?
The application of garment industry plays the role of micro- air-conditioning for example, phase-change material provided by the invention is used in clothes；Freezing
Application in equipment saves energy resources for example, phase-change material provided by the invention is used to replace compressor；It is led in agricultural
The application in domain promotes the growth of crops for example, phase-change material provided by the invention to be used for the heat preservation of agricultural heliogreenhouse；
Etc..
The present invention is further described combined with specific embodiments below.
Embodiment one
Anhydrous calcium chloride 470g is weighed, is stirred continuously down and is added in 470g water, until all dissolution forms homogeneous transparent
Solution, be added six water strontium chloride of 45g stir 5min, after all dissolution after, be added 15g aerosil persistently stir
1h obtains evenly dispersed liquid complex salt phase-change material.
Energy storage materials of phase change phase transition temperature obtained is 28.5 DEG C, latent heat of phase change 178kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.
It changes the nucleating agent in the present embodiment into barium sulfate, changes phase separation inhibitor into diatomite, attapulgite, Hai Pao
Stone or zeolite, other preparation conditions are constant, and the phase transition temperature of obtained composite energy accumulated material is between 27-29 DEG C, enthalpy of phase change
Between 140-180kJ/kg；It is recycled by 2000 times, latent heat of phase change is decayed less than 5%.
Embodiment two
Anhydrous calcium chloride 400g is weighed, is stirred continuously down and is added in 400g water, until all dissolution forms homogeneous transparent
Solution, be added six water strontium chloride+25g barium sulfate of 25g stir 10min, formed suspension, be added 0.5g aerosil
+ 49.5g sepiolite powder+50g diatomite powder+50g attapulgite powder persistently stirs 1h, and it is multiple to obtain evenly dispersed liquid
Close salt phase-change material.
Energy storage materials of phase change phase transition temperature obtained is 27.8 DEG C, latent heat of phase change 143kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.
By the phase separation inhibitor in the present embodiment change into aerosil, diatomite, attapulgite, sepiolite with
The combination of other four components of zeolite, other preparation conditions are constant, and the phase transition temperature of obtained composite energy accumulated material is in 27-
Between 29 DEG C, between enthalpy of phase change 140-180kJ/kg；It is recycled by 2000 times, latent heat of phase change is decayed less than 5%.
Embodiment three
Anhydrous calcium chloride 450g is weighed, is stirred continuously down and is added in 450g water, until all dissolution forms homogeneous transparent
Solution, be added six water strontium chloride of 5g stir 5min, after all dissolution after, be added 95g diatomite powder persistently stir 0.5h, obtain
To evenly dispersed liquid complex salt phase-change material.
Energy storage materials of phase change phase transition temperature obtained is 28.1 DEG C, latent heat of phase change 162kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.
It changes the nucleating agent in the present embodiment into barium sulfate, changes phase separation inhibitor into aerosil, bumps
Stick soil, sepiolite or zeolite, other preparation conditions are constant, the phase transition temperature of obtained composite energy accumulated material be in 27-29 DEG C it
Between, between enthalpy of phase change 140-180kJ/kg；It is recycled by 2000 times, latent heat of phase change is decayed less than 5%.
Example IV
Anhydrous calcium chloride 450g is weighed, is stirred continuously down and is added in 450g water, until all dissolution forms homogeneous transparent
Solution, be added 10g barium sulfate stir 10min, formed suspension, be added 30g attapulgite powder+60g zeolite powder continue
1h is stirred, evenly dispersed liquid complex salt phase-change material is obtained.
Energy storage materials of phase change phase transition temperature obtained is 27.1 DEG C, latent heat of phase change 165kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.
Change the nucleating agent in the present embodiment into six water strontium chlorides, by phase separation inhibitor change into aerosil,
Diatomite, attapulgite, sepiolite and zeolite other two kinds of substances combination, other preparation conditions are constant, and what is obtained is compound
The phase transition temperature of energy-accumulation material is between 27-29 DEG C, between enthalpy of phase change 140-180kJ/kg；It is recycled by 2000 times, phase transformation
Latent heat is decayed less than 5%.
Embodiment five
Anhydrous calcium chloride 440g is weighed, is stirred continuously down and is added in 440g water, until all dissolution forms homogeneous transparent
Solution, be added six water strontium chloride of 6g barium sulfate+18g stir 10min, formed suspension, be added 26g sepiolite powder+20g boiling
Mountain flour body+40g attapulgite persistently stirs 1h, obtains evenly dispersed liquid complex salt phase-change material.
Energy storage materials of phase change phase transition temperature obtained is 27.1 DEG C, latent heat of phase change 155kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.
It changes the nucleating agent in the present embodiment into barium sulfate, changes phase separation inhibitor into aerosil, diatom
Soil, attapulgite, sepiolite and zeolite other three kinds of substances combination, other preparation conditions are constant, and what is obtained is composite energy accumulated
The phase transition temperature of material is between 27-29 DEG C, between enthalpy of phase change 140-180kJ/kg；It is recycled by 2000 times, latent heat of phase change
Decaying is less than 5%.
In addition, setting aerosil, diatomite, attapulgite, sepiolite and zeolite for phase separation inhibitor
The phase transition temperature of the combination of five kinds of substances, the composite energy accumulated material that can also be obtained is between 27-29 DEG C, enthalpy of phase change 140-
Between 180kJ/kg；It is recycled by 2000 times, latent heat of phase change is decayed less than 5%.
Embodiment six
Anhydrous calcium chloride 430g is weighed, is stirred continuously down and is added in 430g water, until all dissolution forms homogeneous transparent
Solution, be added 80g sepiolite powder+20g zeolite powder+40g attapulgite persistently stir 1h, obtain evenly dispersed liquid
Complex salt phase-change material.
Energy storage materials of phase change phase transition temperature obtained is 28.5 DEG C, latent heat of phase change 150kJ/kg；It is recycled by 2000 times,
Latent heat of phase change is decayed less than 5%.Aerosil, diatomite, attapulgite, sepiolite are set by phase separation inhibitor
27- is in the one-component of five kinds of substances of zeolite or other combinations, the phase transition temperature for the composite energy accumulated material that can also be obtained
Between 29 DEG C, between enthalpy of phase change 140-180kJ/kg；It is recycled by 2000 times, latent heat of phase change is decayed less than 5%.
Heretofore described numberical range includes numerical value all within the scope of this, and including any two within the scope of this
The value range of numerical value composition.For example, " mass percentage of calcium chloride hexahydrate is 80-95% ", this numberical range includes 80-95
Between all numerical value, and including any two numerical value within the scope of this (such as: 85, the 90) value range (85-90) formed；This
The different numerical value of the same index occurred in all embodiments are invented, can in any combination, compositing range value.
Technical characteristic in the claims in the present invention and/or specification can be combined, and a combination thereof mode is not limited to weigh
The combination obtained in benefit requirement by adduction relationship.It is combined by the technical characteristic in claim and/or specification
The technical solution and protection scope of the present invention arrived.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (5)
1. a kind of composite phase-change energy-storing material, it is characterised in that:
The component of the energy-accumulation material and the mass percentage of each component are
Wherein, the nucleating agent is six water strontium chlorides and/or barium sulfate；
The phase separation inhibitor be one of aerosil, diatomite, attapulgite, sepiolite, zeolite or
Two or more combinations；
The composite phase-change energy-storing material is recycled by 2000 times, and latent heat of phase change is decayed less than 5%.
2. a kind of composite phase-change energy-storing material according to claim 1, it is characterised in that:
The mass percentage of the nucleating agent is 0.5-5%.
3. a kind of composite phase-change energy-storing material according to claim 1, it is characterised in that:
The degree of supercooling of the energy-accumulation material is less than 3 DEG C.
4. a kind of preparation method of composite phase-change energy-storing material, it is characterised in that: including,
The anhydrous calcium chloride and water of equal mass are weighed, stirring is completely dissolved to anhydrous calcium chloride, obtains the first solution；
Nucleating agent is added into first solution, the first stirring obtains the second solution；
Phase separation inhibitor is added into second solution, second stirs to get the composite phase-change energy-storing material of liquid is arrived,
The composite phase-change energy-storing material is described in any one of claim 1-3.
5. a kind of application of composite phase-change energy-storing material, it is characterised in that:
Composite phase-change energy-storing material according to any one of claim 1-3, the phase-change material are used for space flight, build
It builds, clothes, refrigeration equipment, military affairs, communication, electric power, agriculture field.
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| CN108690563A (en) * | 2018-06-26 | 2018-10-23 | 常州市蒽盗钟情生物科技有限公司 | A kind of cold-storage material |
| CN108587566B (en) * | 2018-07-24 | 2021-03-23 | 东莞市兆荣节能科技有限公司 | Preparation method of phase-change material suspending agent assistant |
| CN113185952B (en) * | 2020-01-24 | 2022-05-13 | 纯钧新材料(深圳)有限公司 | Inorganic phase change materials as coolants |
| CN113667460A (en) * | 2021-09-24 | 2021-11-19 | 北京火狐星云数字科技有限公司 | Inorganic phase-change material and preparation method thereof |
| CN114230229A (en) * | 2021-12-30 | 2022-03-25 | 河北农业大学 | Calcium chloride hexahydrate composite phase change thermal insulation mortar |
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| CN105131910A (en) * | 2015-07-31 | 2015-12-09 | 江苏启能新能源材料有限公司 | Stable inorganic hydrated salt based phase change energy storage material and preparation method thereof |
| CN106221674A (en) * | 2016-07-14 | 2016-12-14 | 中国矿业大学 | A kind of inorganic hydrous salt phase transition microcapsule energy storage material and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102492398A (en) * | 2011-12-02 | 2012-06-13 | 天津科技大学 | Preparation method for high-performance room-temperature calcium-based composition phase-change energy storage material |
| CN104629691A (en) * | 2015-01-13 | 2015-05-20 | 天津市建筑科学研究院有限公司 | Stabilized phase change material for floor heating heat storage |
| CN105131910A (en) * | 2015-07-31 | 2015-12-09 | 江苏启能新能源材料有限公司 | Stable inorganic hydrated salt based phase change energy storage material and preparation method thereof |
| CN106221674A (en) * | 2016-07-14 | 2016-12-14 | 中国矿业大学 | A kind of inorganic hydrous salt phase transition microcapsule energy storage material and preparation method |
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