CN106047302A - Inorganic phase-change energy-storage material and preparation method thereof - Google Patents
Inorganic phase-change energy-storage material and preparation method thereof Download PDFInfo
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- CN106047302A CN106047302A CN201610387127.2A CN201610387127A CN106047302A CN 106047302 A CN106047302 A CN 106047302A CN 201610387127 A CN201610387127 A CN 201610387127A CN 106047302 A CN106047302 A CN 106047302A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 52
- 239000011232 storage material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims description 13
- 230000008859 change Effects 0.000 claims abstract description 31
- 239000013538 functional additive Substances 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- QHFQAJHNDKBRBO-UHFFFAOYSA-L calcium chloride hexahydrate Chemical class O.O.O.O.O.O.[Cl-].[Cl-].[Ca+2] QHFQAJHNDKBRBO-UHFFFAOYSA-L 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 230000005496 eutectics Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical class [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 claims description 6
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 5
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Inorganic materials [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 5
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims description 5
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 claims description 5
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical class O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical group [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 5
- 229910000018 strontium carbonate Inorganic materials 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- -1 Sodium alkyl benzene Chemical class 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 229940077388 benzenesulfonate Drugs 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 229910052712 strontium Inorganic materials 0.000 claims 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 1
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000005338 heat storage Methods 0.000 abstract 1
- 239000002667 nucleating agent Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000012782 phase change material Substances 0.000 description 18
- 238000004781 supercooling Methods 0.000 description 9
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001631 strontium chloride Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 2
- 241000894007 species Species 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an inorganic phase-change energy-storage material. The energy-storage material is prepared form 94-97 parts of energy-storage basis materials, 0.2-1.0 part of functional additive, 2.0-3.5 parts of nucleating agent and 0.8-1.5 parts of surfactant. The inorganic phase-change energy-storage material is stable in performance, low in price, rich in raw material, convenient to prepare, large in latent heat of phase change, nontoxic and high in heat conductivity, and the inorganic phase-change energy-storage material can be widely applied to multiple fields such as a solar low-temperature heat-storage system and a household daily heat preservation and household hot water storage system.
Description
Technical field
The invention belongs to technical field of phase change energy storage, in particular it relates to a kind of Inorganic phase change energy storage material and
Preparation method.
Background technology
In technical field of phase change energy storage, phase-change material is basis, therefore, first has to research and develop latent heat of phase change greatly, property
The phase-change material that energy is stable and cost performance is high.The kind of phase-change material is a lot, from the point of view of the mode of phase transformation, can be divided into solid-solid,
Solid-liquid, liquid-gas and the big class of solid-gas phase-change material four, due to solid-gas and liquid-gas phase-change material in phase transition process with a large amount of
The existence of gas, makes material volume change the most greatly, therefore, although they latent heats of phase change are relatively big, but seldom applies.?
In actual application, typically press the difference of materials chemistry constituent, phase-change material is divided into organic species (paraffin, fatty acid etc.)
With inorganic species (inorganic hydrated salt, fuse salt, metal etc.).Inorganic hydrated salt be in, important in a low-temperature phase-change material class,
Provide nearly 70 kinds of alternative phase-change materials that fusing point is from several degrees Celsius to more than 100 degrees Celsius.
Inorganic hydrated salt has the advantages such as range is wide, low price, unit volume thermal storage density are big.But there is also not
In place of foot: supercool, be separated and heat conduction efficiency ratio relatively low.These defects be directly connected to phase-change material service efficiency and
In service life, the most preferably solve the key in terms of these problems become phase-change material applied research.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of Inorganic phase change energy storage material, this material
Can stable, cheap, abundant raw material, preparation is convenient, latent heat of phase change is big, nontoxic, thermal conductivity is high so that it is can be widely applied
Multiple fields such as insulation, domestic hot water's energy-storage system are used in solar energy low-temperature heat accumulating system, Family Day.
For reaching above-mentioned purpose, present invention employs following technical scheme:
A kind of Inorganic phase change energy storage material, described energy storage material includes following components: energy storage matrix material 94-97 part, merit
Can additive 0.2-1.0 part, nucleator 2.0-3.5 part, surfactant 0.8-1.5 part.
Preferably, described energy storage matrix material selected from calcium chloride hexahydrate, calcium chloride hexahydrate and the eutectic salts of magnesium chloride hexahydrate,
One in the eutectic salts of calcium chloride hexahydrate and four water-calcium nitrate.
Preferably, described functional additive is oxidation expanded graphite.Described oxidation expanded graphite can be common oxidizing process
Oxidation expanded graphite prepared by the oxidation expanded graphite of preparation or modified Hummer method.
Preferably, at least one during described nucleator is six water strontium chlorides, strontium carbonate and Borax.
Preferably, described surfactant is dodecylbenzene sodium sulfonate, cetyl trimethylammonium bromide or dodecane
Base sodium sulfonate.
Present invention also offers the preparation method of a kind of Inorganic phase change energy storage material, said method comprising the steps of:
1) weighing energy storage matrix material and nucleator in proportion, 40～50 DEG C of heated and stirred under air-proof condition, to completely
Melt；
2) adding surfactant after melting, ultrasonic disperse forms stable emulsion；
3) in stable emulsion, add functional additive, stir to obtain Inorganic phase change energy storage material.
Preferably, described energy storage matrix material selected from calcium chloride hexahydrate, calcium chloride hexahydrate and the eutectic salts of magnesium chloride hexahydrate,
One in the eutectic salts of calcium chloride hexahydrate and four water-calcium nitrate.
Preferably, described functional additive is oxidation expanded graphite.
Preferably, at least one during described nucleator is six water strontium chlorides, strontium carbonate and Borax.
Preferably, described surfactant is dodecylbenzene sodium sulfonate, cetyl trimethylammonium bromide or dodecane
Base sodium sulfonate.
Compared with the prior art, the invention has the advantages that:
1) present invention adds functional additive in preparation process, can be reduced or eliminated further on the basis of nucleator
Its degree of supercooling, at the same time it can also be promote the thermal conductivity of phase-change material, accelerates the conduction of heat of phase-change material.Additionally, in surface activity
Under the interaction of agent, the phenomenon of phase separation of phase-change material can be stoped, repeatability preferably, stable performance, can life-time service, tool
Have wide practical use.
2) functional additive kind of the present invention is less, contained ratio is less, it is to avoid additive is the most interactive asks
Topic, it is ensured that the stability of system.
3) present invention has the phase transition temperature of 20-29 DEG C, and degree of supercooling is less than 2 DEG C, and has higher potential heat value, has
Excellent heat-conductive characteristic, has high phase transformation stability simultaneously.
4) abundant raw material source of the present invention, nontoxic, corrosion-free, preparation method is simple to operation, it is easy to encapsulation.
Detailed description of the invention
Below by part embodiment, the present invention is further elaborated, but present disclosure can not be limited.
Embodiment 1
1) energy storage matrix material (CaCl is weighed in proportion2·6H2O) 95 parts, nucleator (SrCl2·6H2O) 3.0 parts,
(40～50 DEG C) heated and stirred under air-proof condition, until melting completely；
2) it is added thereto to 1.0 parts of surfactants (dodecylbenzene sodium sulfonate, SDBS), ultrasonic disperse after melting
30min, forms stable emulsion；
3) add in stable emulsion 1.0 parts of functional additives (modified Hummer method institute oxygenerating expanded graphite,
EGO), stirring 30min obtains Inorganic phase change energy storage material；
4) gained phase-changing energy storage material is poured into container is packaged test.
Test result:
Degree of supercooling is 0.6 DEG C；
Thermal conductivity is 1.832W/m K；
Latent heat of phase change value is 174.51J/g.
Embodiment 2
1) energy storage matrix material (calcium chloride hexahydrate and the eutectic salts of magnesium chloride hexahydrate) 94 parts, nucleator are weighed in proportion
(strontium carbonate) 3.5 parts, (40～50 DEG C) heated and stirred under air-proof condition, until melting completely；
2) it is added thereto to 1.5 parts of surfactants (cetyl trimethylammonium bromide), ultrasonic disperse after melting
30min, forms stable emulsion；
3) add in stable emulsion 1.0 parts of functional additives (modified Hummer method institute oxygenerating expanded graphite,
EGO), stirring 30min obtains Inorganic phase change energy storage material；
4) gained phase-changing energy storage material is poured into container is packaged test.
Test result:
Degree of supercooling is 1.0 DEG C；
Thermal conductivity is 2.017W/m K；
Latent heat of phase change value is 109.76J/g.
Embodiment 3
1) energy storage matrix material (calcium chloride hexahydrate and the eutectic salts of four water-calcium nitrate) 97 parts, nucleator are weighed in proportion
(Borax) 2.0 parts, (40～50 DEG C) heated and stirred under air-proof condition, until melting completely；
2) 0.8 part of surfactant (dodecyl sodium sulfate) it is added thereto to after melting, ultrasonic disperse 30min,
Form stable emulsion；
3) in stable emulsion, 0.2 part of functional additive (common oxidizing process institute oxygenerating expanded graphite, EGO) is added,
Stirring 30min obtains Inorganic phase change energy storage material；
4) gained phase-changing energy storage material is poured into container is packaged test.
Test result:
Degree of supercooling is 1.3 DEG C；
Thermal conductivity is 0.743W/m K；
Latent heat of phase change value is 117.42J/g.
Comparative example 1
1) example weighs energy storage matrix material (CaCl in mass ratio2·6H2O) 96 parts, nucleator (SrCl2·6H2O) 3 parts,
(40～50 DEG C) heated and stirred under air-proof condition, until melting completely；
2) it is added thereto to 1 part of surfactant (dodecylbenzene sodium sulfonate, SDBS), ultrasonic disperse after melting
30min, forms stable emulsion；
3) adding 1.2 parts of functional additives (oxidation expanded graphite, EGO) in stable emulsion, stirring 30min obtains inorganic
Phase-changing energy storage material；
4) gained phase-changing energy storage material is poured into container is packaged test.
Result shows, in the case of respective components is constant, improves containing of functional additive (oxidation expanded graphite, EGO)
Amount, the degree of supercooling being understood phase-change material by cooling curve test is 3.4 DEG C, and degree of supercooling increases, and is unfavorable for that the reality of material should
With.Show in this phase-changing energy storage material system the content of functional additive (oxidation expanded graphite, EGO) should control 0.2～
Within 1.0 parts.
Comparative example 2
1) example weighs energy storage matrix material (CaCl in mass ratio2·6H2O) 96 parts, nucleator (SrCl2·6H2O) 3 parts,
(40～50 DEG C) heated and stirred under air-proof condition, until melting completely；
2) gained phase-changing energy storage material in above-mentioned (1) is poured into container is packaged test.
In the case of energy storage matrix material and nucleator constant rate, (oxidation expands stone not to add functional additive
Ink, EGO) time, the degree of supercooling being understood phase-change material by cooling curve test is 2.8 DEG C, and thermal conductivity test is 0.314W/m
K, latent heat of phase change value is 158.97J/g.The addition of functions additive (oxidation expanded graphite, EGO), to a certain extent may be used
To reduce the degree of supercooling of phase-change material further, the thermal conductivity of phase-change material can also be improved simultaneously, improve the storage of phase-change material
Hot property.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted.Although ginseng
According to embodiment, the present invention is described in detail, it will be apparent to an ordinarily skilled person in the art that the technical side to the present invention
Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should be contained in the present invention
Right in the middle of.
Claims (10)
1. an Inorganic phase change energy storage material, it is characterised in that described energy storage material includes following components: energy storage matrix material
94-97 part, functional additive 0.2-1.0 part, nucleator 2.0-3.5 part, surfactant 0.8-1.5 part.
A kind of Inorganic phase change energy storage material the most according to claim 1, it is characterised in that described energy storage matrix material is selected from
In the eutectic salts of the eutectic salts of calcium chloride hexahydrate, calcium chloride hexahydrate and magnesium chloride hexahydrate, calcium chloride hexahydrate and four water-calcium nitrate
A kind of.
A kind of Inorganic phase change energy storage material the most according to claim 1, it is characterised in that described functional additive is oxidation
Expanded graphite.
A kind of Inorganic phase change energy storage material the most according to claim 1, it is characterised in that described nucleator is six water chlorinations
At least one in strontium, strontium carbonate and Borax.
A kind of Inorganic phase change energy storage material the most according to claim 1, it is characterised in that described surfactant is 12
Sodium alkyl benzene sulfonate, cetyl trimethylammonium bromide or dodecyl sodium sulfate.
6. the preparation method of a kind of Inorganic phase change energy storage material described in claim 1, said method comprising the steps of:
1) weighing energy storage matrix material and nucleator in proportion, 40～50 DEG C of heated and stirred under air-proof condition, to melting completely；
2) adding surfactant after melting, ultrasonic disperse forms stable emulsion；
3) in stable emulsion, add functional additive, stir to obtain Inorganic phase change energy storage material.
The preparation method of a kind of Inorganic phase change energy storage material the most according to claim 6, it is characterised in that described energy storage base
Body material is selected from calcium chloride hexahydrate, calcium chloride hexahydrate and the eutectic salts of magnesium chloride hexahydrate, calcium chloride hexahydrate and four water-calcium nitrate
One in eutectic salts.
The preparation method of a kind of Inorganic phase change energy storage material the most according to claim 6, it is characterised in that described function adds
Add agent for oxidation expanded graphite.
The preparation method of a kind of Inorganic phase change energy storage material the most according to claim 6, it is characterised in that described nucleator
It is at least one in six water strontium chlorides, strontium carbonate and Borax.
The preparation method of a kind of Inorganic phase change energy storage material the most according to claim 6, it is characterised in that described surface
Activating agent is dodecylbenzene sodium sulfonate, cetyl trimethylammonium bromide or dodecyl sodium sulfate.
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Cited By (7)
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| CN106532024A (en) * | 2016-12-10 | 2017-03-22 | 浙江大学 | Preparation method for graphene-loaded nanometer boron used as negative electrode material of lithium ion battery |
| CN106978144A (en) * | 2017-03-20 | 2017-07-25 | 新奥泛能网络科技股份有限公司 | A kind of composite phase-change material and preparation method thereof and a kind of construction material |
| CN107686719A (en) * | 2017-09-20 | 2018-02-13 | 中国科学院青海盐湖研究所 | High heat conduction hydrous salt phase change material and preparation method thereof |
| CN113372884A (en) * | 2021-06-30 | 2021-09-10 | 中国地质大学（北京） | Expanded graphite composite inorganic hydrated salt phase-change material and preparation method thereof |
| CN113429939A (en) * | 2021-06-23 | 2021-09-24 | 杭州鲁尔新材料科技有限公司 | Low super-cooling degree inorganic salt phase change energy storage material |
| CN114058339A (en) * | 2021-12-09 | 2022-02-18 | 中国科学院青海盐湖研究所 | High-thermal-conductivity hydrated nitrate composite phase-change material and preparation method thereof |
| CN114836177A (en) * | 2022-06-13 | 2022-08-02 | 西安建筑科技大学 | Method for improving thermal property of eutectic hydrated salt phase-change material and modified product thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532024A (en) * | 2016-12-10 | 2017-03-22 | 浙江大学 | Preparation method for graphene-loaded nanometer boron used as negative electrode material of lithium ion battery |
| CN106532024B (en) * | 2016-12-10 | 2019-02-22 | 浙江大学 | Graphene supports the preparation method of the negative electrode material of the lithium ion battery of nanometer boron |
| CN106978144A (en) * | 2017-03-20 | 2017-07-25 | 新奥泛能网络科技股份有限公司 | A kind of composite phase-change material and preparation method thereof and a kind of construction material |
| CN107686719A (en) * | 2017-09-20 | 2018-02-13 | 中国科学院青海盐湖研究所 | High heat conduction hydrous salt phase change material and preparation method thereof |
| CN113429939A (en) * | 2021-06-23 | 2021-09-24 | 杭州鲁尔新材料科技有限公司 | Low super-cooling degree inorganic salt phase change energy storage material |
| CN113372884A (en) * | 2021-06-30 | 2021-09-10 | 中国地质大学（北京） | Expanded graphite composite inorganic hydrated salt phase-change material and preparation method thereof |
| CN114058339A (en) * | 2021-12-09 | 2022-02-18 | 中国科学院青海盐湖研究所 | High-thermal-conductivity hydrated nitrate composite phase-change material and preparation method thereof |
| CN114836177A (en) * | 2022-06-13 | 2022-08-02 | 西安建筑科技大学 | Method for improving thermal property of eutectic hydrated salt phase-change material and modified product thereof |
| CN114836177B (en) * | 2022-06-13 | 2023-08-22 | 西安建筑科技大学 | Method for improving thermal performance of eutectic hydrated salt phase change material and modified product thereof |
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