CN106916568A - A kind of preparation of organic phase change energy storage material - Google Patents
A kind of preparation of organic phase change energy storage material Download PDFInfo
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- CN106916568A CN106916568A CN201510988627.7A CN201510988627A CN106916568A CN 106916568 A CN106916568 A CN 106916568A CN 201510988627 A CN201510988627 A CN 201510988627A CN 106916568 A CN106916568 A CN 106916568A
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- energy storage
- storage material
- phase change
- organic phase
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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
Abstract
The invention belongs to new material research and development field, and in particular to a kind of organic phase change energy storage material and its preparation and application.Organic phase change energy storage material of the present invention, its raw material contains the component of following parts by weight：45~48 parts of polyethylene；The weight portion of paraffin 5~8；The weight portion of copper powder 2~4；The weight portion of aluminium powder 2~4；The weight portion of graphite powder 2~6.Phase-changing energy storage material of the invention realizes the storage and release of energy by reversible solid-liquid phase in version, and, at 50 ~ 70 DEG C, up to 210J/g, heat of solution is higher, and thermal conductivity is higher for enthalpy of phase change, and preparation process is simple is nontoxic for phase transition temperature.There is good value in terms of phase-changing energy storage material.
Description
Technical field
The invention belongs to new material research and development field, and in particular to a kind of organic phase change energy storage material and its preparation and application.
Background technology
Phase-change accumulation energy is theoretic knowledge of the Contemporary Physics to energy storage, has formed the theory of comparative maturity, but phase-change accumulation energy material
The development space of material is also very big.Due to the very fast growth of current energy resource consumption, and high efficiency of energy utilize in the urgent need to phase transformation
The research of energy storage material just seems critically important, because it is save energy and the embodiment using the energy.Energy storage material presses the side of energy storage
Formula is broadly divided into：Sensible heat energy storage, hidden heat energy storage and chemical reaction energy storage three major types.Phase-change accumulation energy is a kind of hidden heat energy storage mode,
Its fuel factor using material in phase transition process is stored and released energy.Hidden heat energy storage is generally divided into four according to the mode of phase transformation
Class：Solid-solid phase-change, solid-liquid phase change, solid-gas phase transformation, liquid-gas phase transformation.Traditional phase-changing energy storage material mainly includes inorganic
The crystallization water and salt and fuse salt, and organic compounds, organic polymer, such as aliphatic hydrocarbon, polyalcohols, arene
Amide-type, TPO, polymeric polyalcohols, polyene alcohols, polyene acids etc..
Compare many during inorganic such as the crystallization water and salt are typically, in low temperature phase change energy storage, have the following advantages：Using scope it is wide,
Thermal conductivity factor is big, heat of fusion is larger, energy storage density is big.Have the disadvantage that simultaneously：One is surfusion, and two is to be separated.
Organic phase-changing energy storage material, advantage be in solid state mouldability preferably, be typically not easy to occur surfusion and be separated,
The corrosivity of material is smaller, Performance comparision stabilization, small toxicity, low cost；Such material has a disadvantage that simultaneously：Thermal conductivity factor
Small, energy storage density is small, and the general fusing point of organic matter is relatively low, is unsuitable for being applied in high temperature applicationss, and volatile, easy firing is very
It is to blast or aging by the slow oxidation of oxygen in air.
US 4708812, CN 1844269A, CN1903971A describe phase-change microcapsule, using organic polymer as cyst wall
, by phase-change material environmental sealing, enthalpy of phase change is larger, but Volume Changes are larger during phase transformation for material, shrinks repeatedly and expansion makes material
Service life is shorter, and is Physical interaction between core shell, and seepage and phase separation can still occur.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of organic phase change energy storage material and its preparation
With application, the organic phase change energy storage material realizes the storage and release of energy by reversible solid-liquid phase in version, and phase transition temperature exists
50~70 DEG C, enthalpy of phase change is up to 210J/g, and heat of solution is higher, thermal conductivity no liquid seepage higher and phase separation, preparation technology letter
It is single, it is nontoxic, there is good value in terms of phase-changing energy storage material.
In order to achieve the above objects and other related objects, the present invention is adopted the following technical scheme that：
The first aspect of the present invention provides a kind of organic phase change energy storage material, and its raw material contains the component of following parts by weight：Poly- second
45~48 parts of alkene；The weight portion of paraffin 5~8；The weight portion of copper powder 2~4；The weight portion of aluminium powder 2~4；The weight portion of graphite powder 2~6.
Preferably, the molecular weight ranges of the polyethylene are 400,000~500,000.
Preferably, the molecular weight ranges of the paraffin are 600~800.
The second aspect of the present invention, still further provides a kind of method for preparing foregoing organic phase change energy storage material, including following
Step：
Polyethylene is taken, after heating and melting, is mixed with paraffin, add graphite powder, aluminium powder, copper powder, mixed, obtain final product organic phase
Change energy-storage material.
Preferably, polyethylene is taken, after heating and melting, with paraffin mixing 2h under the conditions of 145 DEG C.
Preferably, graphite powder, aluminium powder, copper powder are added, mixes 1h.
The third aspect of the present invention, additionally provides use of the foregoing organic phase change energy storage material in energy storage and domain of control temperature
On the way.
Compared with prior art, the invention has the advantages that：
Phase-changing energy storage material of the invention realizes the storage and release of energy by reversible solid-to-solid transition, and phase transition temperature exists
50~70 DEG C, enthalpy of phase change is up to 210J/g, and heat of solution is higher, thermal conductivity no liquid seepage higher and phase separation, preparation process is simple,
It is nontoxic.There is good value in terms of phase-changing energy storage material.
Specific embodiment
The present invention is expanded on further with reference to specific embodiment, it should be appreciated that these embodiments are merely to illustrate the present invention rather than limit
Protection scope of the present invention processed.
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand other advantages of the invention and effect easily.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, without departing from essence of the invention
Various modifications or alterations are carried out under god.
Embodiment 1
The organic phase change energy storage material of the present embodiment, its raw material contains the component of following parts by weight：Polyethylene (molecular weight 400,000)
48 parts；The weight portion of paraffin (molecular weight 600) 8；The weight portion of copper powder 3；The weight portion of aluminium powder 2；The weight portion of graphite powder 2.
Preparation method：Polyethylene is taken, after heating and melting, with paraffin mixing 2h under the conditions of 145 DEG C, graphite powder, aluminium is added
Powder, copper powder, mix 1h, obtain final product organic phase change energy storage material.
Embodiment 2
The high density phase change energy storage material of the present embodiment, its raw material contains the component of following parts by weight：Polyethylene (molecular weight 50
Ten thousand) 46 parts of weight portions of paraffin (molecular weight 800) 5；The weight portion of copper powder 4；The weight portion of aluminium powder 4；The weight portion of graphite powder 4.
Preparation method：Polyethylene is taken, after heating and melting, with paraffin mixing 2h under the conditions of 145 DEG C, graphite powder, aluminium is added
Powder, copper powder, mix 1h, obtain final product organic phase change energy storage material.
Embodiment 3
The high density phase change energy storage material of the present embodiment, its raw material contains the component of following parts by weight：Polyethylene (molecular weight 45
Ten thousand) 45 parts of weight portions of paraffin (molecular weight 700) 6；The weight portion of copper powder 2；The weight portion of aluminium powder 3；The weight portion of graphite powder 6.
Preparation method：Polyethylene is taken, after heating and melting, with paraffin mixing 2h under the conditions of 145 DEG C, graphite powder, aluminium is added
Powder, copper powder, mix 1h, obtain final product organic phase change energy storage material.
Embodiment 4
The high density phase change energy storage material of the present embodiment, its raw material contains the component of following parts by weight：Polyethylene (molecular weight 45
Ten thousand) 45 parts of weight portions of paraffin (molecular weight 800) 7；The weight portion of copper powder 4；The weight portion of aluminium powder 2；The weight portion of graphite powder 5.
Preparation method：Polyethylene is taken, after heating and melting, with paraffin mixing 2h under the conditions of 145 DEG C, graphite powder, aluminium is added
Powder, copper powder, mix 1h, obtain final product organic phase change energy storage material.
Embodiment 5
Above-described embodiment 1~4 is prepared into resulting materials, experimental results is carried out as follows：
In sum, a kind of obtained phase-changing energy storage material energy storage density is high, thermally-stabilised good in the present invention, so, the present invention has
Effect overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, should be covered by claim of the invention.
Claims (7)
1. a kind of organic phase change energy storage material, its raw material contains the component of following weight portion：45~48 parts of polyethylene；The weight of paraffin 5~8
Amount part；The weight portion of copper powder 2~4；The weight portion of aluminium powder 2~4；The weight portion of graphite powder 2~6.
2. organic phase change energy storage material according to claim 1, it is characterised in that the molecular weight ranges of the polyethylene are 40
Ten thousand~500,000.
3. organic phase change energy storage material according to claim 1, it is characterised in that the molecular weight ranges of the paraffin are 600~
800。
4. a kind of method for preparing the organic phase change energy storage material as described in claims 1 to 3 any claim, comprises the following steps：
Polyethylene is taken, after heating and melting, is mixed with paraffin, add graphite powder, aluminium powder, copper powder, mixed, obtain final product organic phase
Change energy-storage material.
5. method according to claim 4, it is characterised in that polyethylene is taken, after heating and melting, with stone under the conditions of 145 DEG C
Wax mixing 2h.
6. method according to claim 4, it is characterised in that add graphite powder, aluminium powder, copper powder, mixes 1h.
7. use of the organic phase change energy storage material in energy storage and domain of control temperature as described in claims 1 to 3 any claim
On the way.
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| CN201510988627.7A CN106916568A (en) | 2015-12-24 | 2015-12-24 | A kind of preparation of organic phase change energy storage material |
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| CN201510988627.7A CN106916568A (en) | 2015-12-24 | 2015-12-24 | A kind of preparation of organic phase change energy storage material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936930A (en) * | 2017-11-30 | 2018-04-20 | 中国科学院大连化学物理研究所 | A kind of preparation method of organic polymer shaped composite phase-change material |
| WO2020258466A1 (en) * | 2019-06-28 | 2020-12-30 | 湖北中烟工业有限责任公司 | Phase-change material, preparation method therefor and use thereof |
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| CN101397489A (en) * | 2008-09-19 | 2009-04-01 | 中国科学技术大学 | Flame-retardant shaping phase-change material and preparation method thereof |
| CN101709119A (en) * | 2009-07-27 | 2010-05-19 | 张世忠 | Phase-change energy storage plastic |
| CN101724381A (en) * | 2009-12-22 | 2010-06-09 | 中国科学技术大学 | Setting phase change energy storage material with high-thermal conductivity and preparation method thereof |
| CN102338484A (en) * | 2011-09-28 | 2012-02-01 | 陆飞飞 | Composite phase change heat storage solar water heater without water tank |
| CN102408877A (en) * | 2011-07-12 | 2012-04-11 | 北京化工大学 | Phase-transition composite material, preparation method and application thereof |
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2015
- 2015-12-24 CN CN201510988627.7A patent/CN106916568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397489A (en) * | 2008-09-19 | 2009-04-01 | 中国科学技术大学 | Flame-retardant shaping phase-change material and preparation method thereof |
| CN101709119A (en) * | 2009-07-27 | 2010-05-19 | 张世忠 | Phase-change energy storage plastic |
| CN101724381A (en) * | 2009-12-22 | 2010-06-09 | 中国科学技术大学 | Setting phase change energy storage material with high-thermal conductivity and preparation method thereof |
| CN102408877A (en) * | 2011-07-12 | 2012-04-11 | 北京化工大学 | Phase-transition composite material, preparation method and application thereof |
| CN102338484A (en) * | 2011-09-28 | 2012-02-01 | 陆飞飞 | Composite phase change heat storage solar water heater without water tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936930A (en) * | 2017-11-30 | 2018-04-20 | 中国科学院大连化学物理研究所 | A kind of preparation method of organic polymer shaped composite phase-change material |
| WO2020258466A1 (en) * | 2019-06-28 | 2020-12-30 | 湖北中烟工业有限责任公司 | Phase-change material, preparation method therefor and use thereof |
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Application publication date: 20170704 |