CN107011867A - A kind of Inorganic phase change energy storage material - Google Patents
A kind of Inorganic phase change energy storage material Download PDFInfo
- Publication number
- CN107011867A CN107011867A CN201610678443.5A CN201610678443A CN107011867A CN 107011867 A CN107011867 A CN 107011867A CN 201610678443 A CN201610678443 A CN 201610678443A CN 107011867 A CN107011867 A CN 107011867A
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- China
- Prior art keywords
- energy storage
- storage material
- water
- nucleator
- phase change
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- 238000004146 energy storage Methods 0.000 title claims abstract description 51
- 239000011232 storage material Substances 0.000 title claims abstract description 46
- 230000008859 change Effects 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 5
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 4
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 4
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 4
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021538 borax Inorganic materials 0.000 claims description 3
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 claims description 3
- 229940052299 calcium chloride dihydrate Drugs 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- GNHOJBNSNUXZQA-UHFFFAOYSA-J potassium aluminium sulfate dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GNHOJBNSNUXZQA-UHFFFAOYSA-J 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 230000004087 circulation Effects 0.000 abstract description 2
- 238000005191 phase separation Methods 0.000 abstract description 2
- 230000001351 cycling effect Effects 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 239000011147 inorganic material Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000004781 supercooling Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- ZXRRHFSTAFVGOC-UHFFFAOYSA-N [AlH3].[K] Chemical compound [AlH3].[K] ZXRRHFSTAFVGOC-UHFFFAOYSA-N 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to energy storage material technical field, a kind of especially Inorganic phase change energy storage material, its each component mass percentage content is as follows：Inorganic material 86% 98.5%, nucleator 0.5% 3%, thickener 1% 10%, water 0% 1%, the phase-changing energy storage material that the present invention is obtained is cheap, good cycling stability, can efficiently solve material problem of phase separation, potential heat value is unchanged after thousand circulations.
Description
Technical field
The present invention relates to a kind of Inorganic phase change energy storage material.
Background technology
Thermal storage and energy accumulation technology is widely used in renewable energy utilization and energy-saving field in recent years, and energy storage technology is
Through the strategic problem as energy security and sustainable development.In the method for numerous energy storage, the latent heat of solid-liquid phase change material
The features such as energy storage mode is due to its high latent heat high density and the phase transition temperature of relative constancy is widely used in air conditioner energy saving, the sun
Can utilize, the field such as Thermal Design of Electronic Equipments, building energy conservation.
Inorganic phase-change material it is both economical it is economical be crystalline hydrate salt, they have larger heat of solution and fixed
Fusing point, when the temperature increases, the crystalline hydrate salt abjection crystallization water make salt dissolving and heat absorbing, and inverse process occurs when the temperature decreases, inhales
Receive crystallization water heat release, crystalline hydrate salt with organic phase-change material compared with have thermal conductivity factor it is larger, density greatly and unit volume
The advantages of thermal storage density is high.
But to there is degree of supercooling big for the crystallization water, it is separated and the shortcomings of corrosivity, in order to reduce its degree of supercooling and suppress phase
The generation of segregation phenomenon, needing to add a certain amount of nucleator and thickener in actual applications is improved, in order to avoid phase
Separating the contingency question caused also needs to add suitable quantity of water progress integral material improvement.
In 0 ~ 120 °C of low temperature phase change humidity province, the unit volume enthalpy of phase change of crystalline hydrate salt is generally arrived 200
400MJ/m3, and barium hydroxide is found so far in this low-temperature phase popular form of narrative literature flourishing in the Tang Dynasty all area's unit volume enthalpy of phase change highests
（572MJ/m3）Crystalline inorganic hydrated salt.
Therefore need to provide a kind of Inorganic phase change energy storage material, can both reduce degree of supercooling, can also avoid being separated, carry
Height uses cycle-index, increases the service life, and this material can provide core material technology for the development in energy storage field, have
Very important meaning.
The content of the invention
To complete above-mentioned purpose, and overcome the deficiencies in the prior art, the present invention provide a kind of Inorganic phase change energy storage material its
Composition is energy storage material of main part, nucleator, thickener, water, and specific degree is as follows：Energy storage material of main part 86%-
98.5%, nucleator 0.5%-3%, thickener 1%-10%, water 0%-1%.
Preferably, the energy storage material of main part, thickener, nucleator, the weight/mass percentage composition of water are：Energy storage material of main part
93.5%, thickener 3%, nucleator 3%, water 0.5%.
Preferably, the energy storage material of main part, thickener, nucleator, the weight/mass percentage composition of water are：Energy storage material of main part
92.5%, thickener 6%, nucleator 1%, water 0.5%.
Preferably, the energy storage material of main part, thickener, nucleator, the weight/mass percentage composition of water are：Energy storage material of main part
93.5%, thickener 3%, nucleator 3%, water 0.5%.
Preferably, the energy storage material of main part is crystalline hydrate salt, Sodium acetate trihydrate, barium hydroxide, 12 water sulphur
Sour aluminium potassium, six water alums.
Preferably, the thickener is gelatin, expanded graphite, one or more combinations in calcium carbonate.
Preferably, the nucleator is quartz, disodium hydrogen phosphate, borax, calcium chloride dihydrate, in potassium dihydrogen phosphate
One or more combinations.
Preferably, the water is to eliminate the pure water in after ionic species impurity.
The present invention compared with the existing technology, with following advantage.
（1）Cyclical stability is strong.The present invention discloses a kind of Inorganic phase change energy storage material, chooses suitable material main body, increases
Thick dose, nucleator, optimize material mixture ratio, and thickener and nucleator have good compatibility and heat endurance with body of material, can
So that there is material good mobility effectively to overcome the problem of cycle life that prior art easily occurs is short, monomer circulation
Deviate without any transformation temperature for 1400 times or so, phase separation situation occurs, monomer circulates that slight temperature occur 3000 times or so inclined
From.
（2）Without obvious surfusion.Suitable nucleator optimization material mixture ratio is chosen, makes the inorganic-phase variable energy storage of the present invention
The degree of supercooling of material is reduced to 0.5 °C by 11.4 °C, substantially without obvious surfusion.
（3）With higher enthalpy.Energy storage material material of main part of the present invention chooses the high highdensity inorganic hydration of enthalpy
Salt, while the influence of the thickener and nucleator chosen to enthalpy is slight.With good crystallinity, heat of solution be big, volume storage
Heat density is big.
（4）Cost is low.Inorganic phase change energy storage material of the present invention, cost of material cost is low, and source is wide, manufacturing cost
It is low.
Brief description of the drawings
Fig. 1 is 360 temperature variation curves of material of the present invention.
Fig. 2 is 1400 temperature variation curves of material of the present invention.
Fig. 3 is 3000 temperature variation curves of material of the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Experimental example 1
Barium hydroxide 100g is weighed, expanded graphite 5.44g, potassium dihydrogen phosphate 2.70g, deionized water 0.55g is placed in reaction
In container, by continuing formula relay, accumulation of heat directly is carried out to Inorganic phase change energy storage material of the present invention.Persistently stir in the reactor
30min is mixed, temperature control is melted at 85 °C, phase-changing energy storage material is obtained after being well mixed to sample.Through measuring inorganic phase
Change energy-storage material enthalpy is 580kJ/L, and density reaches 2.07g/cm3。
Experimental example 2
Barium hydroxide 100g, calcium chloride dihydrate 3.13g, gelatin 1.04g are weighed, is placed in reaction vessel, by continuing formula
Relay, directly carries out accumulation of heat to Inorganic phase change energy storage material of the present invention.30min, temperature control are persistently stirred in the reactor
Melted at 85 °C, phase-changing energy storage material is obtained after being well mixed to sample.It is through measuring Inorganic phase change energy storage material enthalpy
526kJ/L, density reaches 1.98g/cm3。
Experimental example 3
Sodium acetate trihydrate 100g, gelatin 1.06g, potassium dihydrogen phosphate 1.06g, deionized water 0.53g, borax 3.17g are weighed, is placed in
In reaction vessel, by continuing formula relay, accumulation of heat directly is carried out to Inorganic phase change energy storage material of the present invention.Hold in the reactor
Continuous stirring 30min, temperature control is melted at 85 °C, and phase-changing energy storage material is obtained after being well mixed to sample.Through measuring nothing
Machine phase-changing energy storage material enthalpy is 312kJ/L, and density reaches 1.40g/cm3。
The present invention is not limited to the embodiments described above, under other any Spirit Essences and principle without departing from the present invention
The change made, modification, replacement, combination, simplification, equivalent substitute mode is should be, be included in protection scope of the present invention
Within.
Claims (8)
1. in a kind of Inorganic phase change energy storage material, it is characterised in that its each composition is energy storage material of main part, nucleator, increasing
Thick dose, water, specific degree are as follows：Energy storage material of main part 86%-98.5%, nucleator 0.5%-3%, thickener 1%-10%,
Water 0%-1%.
2. Inorganic phase change energy storage material according to claim 1, it is characterised in that the energy storage material of main part, thickener,
Nucleator, the weight/mass percentage composition of water are：Energy storage material of main part 93.5%, thickener 3%, nucleator 3%, water 0.5%.
3. Inorganic phase change energy storage material according to claim 1, it is characterised in that the energy storage material of main part, thickener,
Nucleator, the weight/mass percentage composition of water are：Energy storage material of main part 92.5%, thickener 6%, nucleator 1%, water 0.5%.
4. Inorganic phase change energy storage material according to claim 1, it is characterised in that the energy storage material of main part, thickener,
Nucleator, the weight/mass percentage composition of water are：Energy storage material of main part 93.5%, thickener 3%, nucleator 3%, water 0.5%.
5. the Inorganic phase change energy storage material according to claim 1 ~ 4, it is characterised in that the energy storage material of main part is crystallization
Hydrated salt, Sodium acetate trihydrate, barium hydroxide, Potassium aluminum sulfate dodecahydrate, six water alums.
6. the Inorganic phase change energy storage material according to claim 1 ~ 4, it is characterised in that the thickener is gelatin, expansion
One or more combinations in graphite, calcium carbonate.
7. the Inorganic phase change energy storage material according to claim 1 ~ 4, it is characterised in that the nucleator is quartz, 12
One or more combinations in water disodium hydrogen phosphate, borax, calcium chloride dihydrate, potassium dihydrogen phosphate.
8. the Inorganic phase change energy storage material according to claim 1 ~ 4, it is characterised in that the water is to eliminate in ion shape
Pure water after formula impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610678443.5A CN107011867A (en) | 2016-08-17 | 2016-08-17 | A kind of Inorganic phase change energy storage material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610678443.5A CN107011867A (en) | 2016-08-17 | 2016-08-17 | A kind of Inorganic phase change energy storage material |
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| Publication Number | Publication Date |
|---|---|
| CN107011867A true CN107011867A (en) | 2017-08-04 |
Family
ID=59439377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610678443.5A Pending CN107011867A (en) | 2016-08-17 | 2016-08-17 | A kind of Inorganic phase change energy storage material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236278A (en) * | 2017-07-27 | 2017-10-10 | 江苏启能新能源材料有限公司 | A kind of energy storage phase change material |
| CN108034409A (en) * | 2017-12-06 | 2018-05-15 | 嘉兴菲莫斯节能技术有限公司 | A kind of Inorganic phase change energy storage material |
| CN108084972A (en) * | 2018-01-18 | 2018-05-29 | 上海交通大学 | Low temperature hydrated salt phase-change heat accumulation medium and its preparation and application |
| CN108795390A (en) * | 2018-07-31 | 2018-11-13 | 青海大学 | A kind of phase-changing energy storage material containing thickener |
| CN109054763A (en) * | 2018-08-14 | 2018-12-21 | 南京金合能源材料有限公司 | A kind of hydrated sulfate composite phase-change material and preparation method thereof |
| CN109237976A (en) * | 2018-09-03 | 2019-01-18 | 柳曼 | A kind of PCM accumulation of energy structure that can improve energy storage materials of phase change crystallization rate |
| CN110591654A (en) * | 2019-09-29 | 2019-12-20 | 新奥石墨烯技术有限公司 | Phase-change heat storage composite material and preparation method thereof |
| CN110862805A (en) * | 2019-12-03 | 2020-03-06 | 江苏启能新能源材料有限公司 | Constant-temperature phase-change energy storage material and preparation method thereof |
| CN111117572A (en) * | 2019-12-05 | 2020-05-08 | 珠海格力电器股份有限公司 | Composite phase-change material and preparation method thereof |
| CN112284167A (en) * | 2019-07-24 | 2021-01-29 | 清科聚创(北京)科技有限公司 | Phase-change energy storage material and preparation method thereof |
| CN112374834A (en) * | 2020-11-30 | 2021-02-19 | 阜南县民安人防工程设备有限公司 | Treatment process for improving cracking tendency of foaming cement fireproof door core board caused by non-uniformity of heat conduction |
| CN112625656A (en) * | 2021-03-09 | 2021-04-09 | 胜利油田物华石油装备制造有限公司 | Novel composite phase-change heat storage medium |
| CN112940685A (en) * | 2019-12-10 | 2021-06-11 | 强野机械科技(上海)有限公司 | Phase-change energy storage material and preparation method thereof |
| CN113122185A (en) * | 2021-03-08 | 2021-07-16 | 东营新达德安新材料科技有限责任公司 | Phase-change heat storage material and preparation method and application thereof |
| CN113549428A (en) * | 2021-06-18 | 2021-10-26 | 张雨新 | Preparation method of modified DHPD and eutectic hydrated salt thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236278A (en) * | 2017-07-27 | 2017-10-10 | 江苏启能新能源材料有限公司 | A kind of energy storage phase change material |
| CN108034409A (en) * | 2017-12-06 | 2018-05-15 | 嘉兴菲莫斯节能技术有限公司 | A kind of Inorganic phase change energy storage material |
| CN108084972A (en) * | 2018-01-18 | 2018-05-29 | 上海交通大学 | Low temperature hydrated salt phase-change heat accumulation medium and its preparation and application |
| CN108795390A (en) * | 2018-07-31 | 2018-11-13 | 青海大学 | A kind of phase-changing energy storage material containing thickener |
| CN109054763A (en) * | 2018-08-14 | 2018-12-21 | 南京金合能源材料有限公司 | A kind of hydrated sulfate composite phase-change material and preparation method thereof |
| CN109237976B (en) * | 2018-09-03 | 2022-04-05 | 珠海保能绿色能源科技有限公司 | PCM energy storage structure capable of improving crystallization speed of phase change energy storage material |
| CN109237976A (en) * | 2018-09-03 | 2019-01-18 | 柳曼 | A kind of PCM accumulation of energy structure that can improve energy storage materials of phase change crystallization rate |
| CN112284167A (en) * | 2019-07-24 | 2021-01-29 | 清科聚创(北京)科技有限公司 | Phase-change energy storage material and preparation method thereof |
| CN112284167B (en) * | 2019-07-24 | 2022-07-29 | 北京百年水木企业运营管理中心 | Phase-change energy storage material and preparation method thereof |
| CN110591654A (en) * | 2019-09-29 | 2019-12-20 | 新奥石墨烯技术有限公司 | Phase-change heat storage composite material and preparation method thereof |
| CN110862805A (en) * | 2019-12-03 | 2020-03-06 | 江苏启能新能源材料有限公司 | Constant-temperature phase-change energy storage material and preparation method thereof |
| CN111117572A (en) * | 2019-12-05 | 2020-05-08 | 珠海格力电器股份有限公司 | Composite phase-change material and preparation method thereof |
| CN112940685A (en) * | 2019-12-10 | 2021-06-11 | 强野机械科技(上海)有限公司 | Phase-change energy storage material and preparation method thereof |
| CN112374834B (en) * | 2020-11-30 | 2021-12-17 | 阜南县民安人防工程设备有限公司 | Treatment process for improving cracking tendency of foaming cement fireproof door core board caused by non-uniformity of heat conduction |
| CN112374834A (en) * | 2020-11-30 | 2021-02-19 | 阜南县民安人防工程设备有限公司 | Treatment process for improving cracking tendency of foaming cement fireproof door core board caused by non-uniformity of heat conduction |
| CN113122185A (en) * | 2021-03-08 | 2021-07-16 | 东营新达德安新材料科技有限责任公司 | Phase-change heat storage material and preparation method and application thereof |
| CN112625656A (en) * | 2021-03-09 | 2021-04-09 | 胜利油田物华石油装备制造有限公司 | Novel composite phase-change heat storage medium |
| CN113549428A (en) * | 2021-06-18 | 2021-10-26 | 张雨新 | Preparation method of modified DHPD and eutectic hydrated salt thereof |
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