CN109021934A - Purposes of the pentadecyl amine as phase-changing energy storage material - Google Patents
Purposes of the pentadecyl amine as phase-changing energy storage material Download PDFInfo
- Publication number
- CN109021934A CN109021934A CN201811070845.2A CN201811070845A CN109021934A CN 109021934 A CN109021934 A CN 109021934A CN 201811070845 A CN201811070845 A CN 201811070845A CN 109021934 A CN109021934 A CN 109021934A
- Authority
- CN
- China
- Prior art keywords
- phase
- heat
- energy storage
- thermal energy
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Purposes of the pentadecyl amine as phase-changing energy storage material, the fusion temperature when compound energy storage are 26.3 ~ 46.2 DEG C, and setting temperature when heat release is 26.7 ~ 29.7 DEG C；Phase-change accumulation energy latent heat is 230.1 ~ 283.9 kJ/kg, which has low degree of supercooling (< 10 DEG C) and high latent heat, and when absorbing and storing thermal energy, heat source temperature should be controlled within the scope of 46.2 ~ 70 DEG C.The organic phase change material especially suitable under environmental condition thermal energy, industry more than waste heat or solar energy storage, and the thermal energy of storage is used for Indoor environment heat supply or driving absorption refrigeration mechanism cold, to solve thermal energy for giving use in space or temporal mismatch problem, the utilization efficiency of the energy is improved.
Description
Technical field
The present invention relates to the technologies of phase-change heat-storage material, specifically using organic compound by phase transition absorption or
A large amount of thermal energy are discharged, thermal energy is solved for giving use in space or temporal mismatch problem, improves the utilization efficiency of the energy.
Background technique
Renewable Energy Development global pollution and weather for caused by solving serious energy crisis and fossil fuel
The serious environmental problems such as warm are of great significance.So far, the energy-consuming to meet dependence fossil fuel for a long time
Urgent need, develop a variety of green sustainable energies such as wind energy, water energy, solar energy, nuclear energy, biomass energy, geothermal energy.Separately
On the one hand, effective use of energy sources and reduction energy waste are the substituted pesticides for reducing energy consumption and discharge.As a kind of energy
Storage platform, phase-changing energy storage material by phase from solid-state can become liquid or liquid becomes storing when solid-state and release latent heat
To adjust environment temperature.In phase transition process, they have biggish latent heat when temperature varies slightly.Since its high-energy is deposited
Density, low temperature variation and considerable economic benefit characteristic are stored up, phase-changing energy storage material has become various thermal centers and can answer in recent years
With the theme of (such as solar energy storage).
Current many phase-changing energy storage materials are stored for thermal energy or solar energy, including inorganic phase-changing material, such as hydrated salt and
Metal alloy, organic phase change material, such as paraffin, fatty acid, polyalcohol (such as polyethylene glycol), sugar alcohol (antierythrite and mannitol)
Deng.For given phase-change material, latent heat is essential for its practical application.In known phase-change material, hydration
Salt and metal alloy usually have the high latent heat of 68-1163 kJ/kg, however most of which is only applicable to high-temperature heat accumulation,
And with strong mutually separation and supercooling, their practical application is greatly hampered.In contrast, organic phase change material has
Medium latent heat within the scope of 86-340 kJ/kg, phase transition temperature are suitable for low temperature stored energy application between 0 and 172 DEG C.
Currently, paraffin class latent heat of phase change range is 170-269 kJ/ for phase-change material in the application of low temperature energy storage field
Kg, fatty acid latent heat of phase change range are 148-218 kJ/kg, and polyalcohols latent heat of phase change range is 83-187 kJ/kg, sugar
Alcohols latent heat of phase change range is 263-340 kJ/kg.Wherein sugar alcohol has been developed as efficient organic phase change material, high at its
Under potential heat value, sugar alcohol can be competed with inorganic phase-changing material and the advantage intrinsic using organic phase change material, in thermal energy and too
It is positive to show huge potentiality in terms of energy storage.By the inspiration that these find, seek the novel phase-change material pair with high latent heat
It is extremely important in renewable and energy sustainability system building.The molecular formula of the organic compound of pentadecyl amine are as follows: C15H33N,
Molecule has the following structure:
。
Summary of the invention
The object of the present invention is to provide a kind of pentadecyl amine as phase-change heat-storage material field of thermal energy storage application.
The present invention is purposes of the pentadecyl amine as phase-changing energy storage material, the molecular formula of pentadecyl amine are as follows: C15H33N；With as follows
Structure:
,
The organic compound can store by phase transformation or discharge thermal energy, the purposes as phase-changing energy storage material.
Usefulness of the present invention is: solving thermal energy for giving use in space or temporal mismatch problem, improves
The utilization efficiency of the energy；The organic phase change material has low degree of supercooling (< 10 DEG C) and high latent heat, the organic phase change energy storage material
Exothermic temperature, high heat storage capacity and good long-time service stability are inhaled with suitable.The Organic phase change thermal storage material
The thermal energy of storage can be used as driving the heat source of Absorption Refrigerator work or directly as indoor life heat source.
Detailed description of the invention
Fig. 1 is the DSC figure in embodiment 1.
Specific embodiment
The present invention is purposes of the pentadecyl amine as phase-changing energy storage material, the molecular formula of pentadecyl amine are as follows: C15H33N；With as follows
Structure:
,
The organic compound can store by phase transformation or discharge thermal energy, the purposes as phase-changing energy storage material.
Purposes of the above-described pentadecyl amine as phase-changing energy storage material, fusion temperature when pentadecyl amine heat accumulation is 26.3 ~
46.2 DEG C, setting temperature when heat release is 26.7 ~ 29.7 DEG C；Phase-change accumulation energy latent heat is 230.1 ~ 283.9 kJ/kg, is being absorbed simultaneously
When storing thermal energy, heat source temperature is within the scope of 46.2 ~ 70 DEG C.
Purposes of the above-described pentadecyl amine as phase-changing energy storage material, pentadecyl amine be suitable for environmental condition under thermal energy,
Waste heat or solar energy storage more than industry, and the thermal energy of storage is used for Indoor environment heat supply or driving absorption refrigeration mechanism
It is cold.
Purposes of the above-described pentadecyl amine as phase-changing energy storage material, pentadecyl amine storage are originated from the heat under environmental condition
Can, industry more than waste heat or solar energy storage and obtain thermal energy when, be to be placed in phase-change material in container, then phase transformation material will be filled
Waste heat heat source or electric heater directly contact and are allowed to molten with heating phase-change material more than the container of material and solar thermal collector, industry
Change, or by thermal energy, waste heat heat source or electric heater more than solar thermal collector, the industry are passed in container by heat-transfer working medium
Simultaneously heating phase-change material is allowed to the method melted to realize to phase-change material, and the heat-transfer working medium is water vapour or conduction oil.
Purposes of the above-described pentadecyl amine as phase-changing energy storage material, the thermal energy by phase-change material storage are used to build
When building object indoor heating or driving absorption refrigeration mechanism cold, it need to use heat-transfer working medium that thermal energy is conveyed to interior from phase-change material
Heater or Absorption Refrigerator, the working medium can be water or conduction oil；When using water as heat-transfer working medium, by phase transformation
The hot water of material heating can also be used directly as domestic hot-water.
By specific embodiment, present invention is further described in detail, it is intended to reader be helped to better understand the present invention
Essence and feature, do not limit the scope of the present invention.
Embodiment 1:
About 5mg organic phase change material is taken, in DSC 200F3(NETZSCH, Germany make) on differential scanning calorimeter, with
The heating rate of 5 DEG C/min, DEG C progress differential scanning calorimetry, the fusing point for measuring the organic phase change material are from 0 DEG C to 100
26.3 ~ 46.2 DEG C, fusion enthalpy is about 230.1 kJ/kg；Take about 5mg organic phase change material, DSC 200F3 (NETZSCH,
Germany make) on differential scanning calorimeter, with the warming and cooling rate of 5 DEG C/min, carried out 50 times in 0 DEG C to 100 DEG C range
Differential scanning calorimetry is recycled, the fusing point for measuring the organic phase change material is stable always within the scope of 26.3 ~ 46.2 DEG C, setting temperature
Within the scope of 26.7 ~ 29.7 DEG C, fusion enthalpy is stable always within the scope of 230.1 ~ 283.9 kJ/kg.
Embodiment 2:
It is 5mm by outer diameter, it is 5mm, disk diameter 4.5cm, totally 4 layers of disk structure that the copper pipe of wall thickness 0.3mm, which is bent into tube spacing,
At coil pipe, by coil pipe be put into around by 1cm thickness asbestos material wrap up the straight type glass of 150mL in, adding 100g has
Machine phase-change material, coil pipe is embedded to, then rim of a cup is covered with thermal insulation material, the port of coil pipe emersion lid 2cm again with heat-resistant adhesive
Pipe connection；The temperature for controlling electric heater is 60 DEG C, from bottom-heated glass, melts organic phase change material all, stops
Heating, 25 DEG C of tap water is passed through into coil pipe, controls the flow of water, and can control exit water temperature degree is 42 DEG C.
Embodiment 3:
It is 70 DEG C by the electric heater temperature control in embodiment 2, from bottom-heated glass, keeps organic phase change material all molten
Change, stop heating, 25 DEG C of conduction oil is passed through into coil pipe, control the flow of oil, can control outlet oil temperature is 42 DEG C.
Embodiment 4:
It is 70 DEG C by the electric heater temperature control in embodiment 2, from bottom-heated glass, keeps organic phase change material all molten
Change, stop heating, 25 DEG C of conduction oil is passed through into coil pipe, control the flow of oil, outlet oil temperature can be made to be gradually increased to 46
DEG C, and stablize in this temperature.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (5)
1. purposes of the pentadecyl amine as phase-changing energy storage material, the molecular formula of pentadecyl amine are as follows: C15H33N；It has the following structure:
,
The organic compound can store by phase transformation or discharge thermal energy, the purposes as phase-changing energy storage material.
2. purposes of the pentadecyl amine according to claim 1 as phase-changing energy storage material, it is characterised in that when pentadecyl amine heat accumulation
Fusion temperature be 26.3 ~ 46.2 DEG C, setting temperature when heat release is 26.7 ~ 29.7 DEG C；Phase-change accumulation energy latent heat be 230.1 ~
283.9 kJ/kg, when absorbing and storing thermal energy, heat source temperature is within the scope of 46.2 ~ 70 DEG C.
3. purposes of the pentadecyl amine according to claim 1 as phase-changing energy storage material, it is characterised in that pentadecyl amine is suitable for
Waste heat or solar energy storage more than thermal energy, industry under environmental condition, and the thermal energy of storage is used for Indoor environment heat supply or drive
Dynamic absorption refrigeration mechanism cold.
4. purposes of the pentadecyl amine according to claim 2 as phase-changing energy storage material, it is characterised in that the pentadecyl amine storage
Deposit be originated from environmental condition under thermal energy, industry more than waste heat or solar energy storage and obtain thermal energy when, be to be placed in phase-change material
In container, then waste heat heat source more than the container for filling phase-change material and solar thermal collector, industry or electric heater directly contacted
Be allowed to melt with heating phase-change material, or by heat-transfer working medium by thermal energy from solar thermal collector, industry more than waste heat heat source or electricity
Heater passes to the phase-change material in container and heating phase-change material is allowed to the method melted to realize, the heat-transfer working medium is
Water vapour or conduction oil.
5. purposes of the pentadecyl amine according to claim 2 as phase-changing energy storage material, it is characterised in that described by phase transformation material
Material storage thermal energy for Indoor environment heat supply or driving absorption refrigeration mechanism cold when, need to use heat-transfer working medium by thermal energy from
Phase-change material is conveyed to household heater or Absorption Refrigerator, and the working medium can be water or conduction oil；When use water as
When heat-transfer working medium, it can also be used directly as domestic hot-water by the hot water that phase-change material heats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070845.2A CN109021934A (en) | 2018-09-14 | 2018-09-14 | Purposes of the pentadecyl amine as phase-changing energy storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070845.2A CN109021934A (en) | 2018-09-14 | 2018-09-14 | Purposes of the pentadecyl amine as phase-changing energy storage material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109021934A true CN109021934A (en) | 2018-12-18 |
Family
ID=64621497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070845.2A Pending CN109021934A (en) | 2018-09-14 | 2018-09-14 | Purposes of the pentadecyl amine as phase-changing energy storage material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109021934A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912641A (en) * | 2021-10-29 | 2022-01-11 | 四川大学 | Bio-based phase-change energy-storage type flame retardant and preparation method thereof |
-
2018
- 2018-09-14 CN CN201811070845.2A patent/CN109021934A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912641A (en) * | 2021-10-29 | 2022-01-11 | 四川大学 | Bio-based phase-change energy-storage type flame retardant and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Douvi et al. | Phase change materials in solar domestic hot water systems: A review | |
| Li et al. | High energy-density and power-density thermal storage prototype with hydrated salt for hot water and space heating | |
| CN207570148U (en) | A kind of solar energy heat-collecting heat-storage system | |
| CN102777874A (en) | Phase change heat accumulation system for generating steam directly and preparation method of phase change heat accumulation agent | |
| CN102338484A (en) | Composite phase change heat storage solar water heater without water tank | |
| CN108865081A (en) | Purposes of the lauryl amine as phase-changing energy storage material | |
| CN108728047A (en) | Purposes of the cetylamine as phase-changing energy storage material | |
| CN106500367A (en) | A kind of solar water heating system bushing type phase-change energy-storage water tank device and method | |
| CN109181652A (en) | Purposes of the tetradecy lamine as phase-changing energy storage material | |
| CN101158508B (en) | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device | |
| CN109021934A (en) | Purposes of the pentadecyl amine as phase-changing energy storage material | |
| CN109097000A (en) | Purposes of the heptadecyl-amine as phase-changing energy storage material | |
| CN109181651A (en) | Purposes of the octadecylamine as phase-changing energy storage material | |
| CN102901253A (en) | Heat storage water tank | |
| CN108019983A (en) | New type solar energy list tank phase-change heat storage absorption heat pump | |
| CN202734303U (en) | High-temperature heat storage and exchange device applied to solar heat power generation | |
| CN108774501A (en) | Purposes of the tridecyl amine as phase-changing energy storage material | |
| CN207778863U (en) | New type solar energy list tank phase-change heat storage absorption heat pump | |
| CN105091367A (en) | Solar heat storage device based on hydrous salts | |
| CN106016786B (en) | Water tank free solar phase-change heat accumulation water heater | |
| CN102914068A (en) | High temperature heat storage and exchange device applied to solar thermal power plant | |
| CN108865080A (en) | Purposes of 19 amine as phase-changing energy storage material | |
| CN202613812U (en) | Melting and anti-condensation device of solar photo-thermal power generation phase-change energy storing media | |
| CN109021933A (en) | Purposes of the dioctadecylamine as phase-changing energy storage material | |
| CN101818951B (en) | Bushing-type high temperature heat storage device applied to solar heat utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |