CN107011867A - A kind of Inorganic phase change energy storage material - Google Patents

A kind of Inorganic phase change energy storage material Download PDF

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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
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energy storage
storage material
water
nucleator
phase change
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CN201610678443.5A
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贾维
王骁
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Beijing Hua Yuan Energy Technology Co Ltd
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Beijing Hua Yuan Energy Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-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
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/06Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063Materials absorbing or liberating heat during crystallisation; Heat storage materials

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Thermal Sciences (AREA)
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  • 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

A kind of Inorganic phase change energy storage material
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.
CN201610678443.5A 2016-08-17 2016-08-17 A kind of Inorganic phase change energy storage material Pending CN107011867A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
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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CN102604599A (en) * 2012-02-20 2012-07-25 上海旭能新能源科技有限公司 Inorganic phase change energy storage material
CN103666381A (en) * 2013-12-12 2014-03-26 江苏启能新能源材料有限公司 Phase-change energy-storage material
CN104357023A (en) * 2014-10-31 2015-02-18 镇江新梦溪能源科技有限公司 Inorganic hydrous salt heat storage material and preparation method thereof
CN104357022A (en) * 2014-10-31 2015-02-18 镇江新梦溪能源科技有限公司 Inorganic phase change heat storage material and preparation method thereof
CN105586011A (en) * 2014-10-31 2016-05-18 镇江新梦溪能源科技有限公司 Inorganic hydrated salt phase-change heat-storage material and preparation method thereof

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN102604599A (en) * 2012-02-20 2012-07-25 上海旭能新能源科技有限公司 Inorganic phase change energy storage material
CN103666381A (en) * 2013-12-12 2014-03-26 江苏启能新能源材料有限公司 Phase-change energy-storage material
CN104357023A (en) * 2014-10-31 2015-02-18 镇江新梦溪能源科技有限公司 Inorganic hydrous salt heat storage material and preparation method thereof
CN104357022A (en) * 2014-10-31 2015-02-18 镇江新梦溪能源科技有限公司 Inorganic phase change heat storage material and preparation method thereof
CN105586011A (en) * 2014-10-31 2016-05-18 镇江新梦溪能源科技有限公司 Inorganic hydrated salt phase-change heat-storage material and preparation method thereof

Cited By (18)

* Cited by examiner, † Cited by third party
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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