CN106556173A - A kind of Graphene solar absorption agent for being applied to solar water heater - Google Patents
A kind of Graphene solar absorption agent for being applied to solar water heater Download PDFInfo
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- CN106556173A CN106556173A CN201610888188.7A CN201610888188A CN106556173A CN 106556173 A CN106556173 A CN 106556173A CN 201610888188 A CN201610888188 A CN 201610888188A CN 106556173 A CN106556173 A CN 106556173A
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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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention discloses a kind of Graphene solar absorption agent for being applied to solar water heater, is formulated by WATER AS FLOW MEDIUM, pH adjusting agent, nanometer powder and dispersant；Solar water heater includes transparent vacuum glass box, for containing the solar absorption agent and thermal conductive water pipe that have configured, charging aperture；The slip of the solar absorption agent for having configured is added in glass box body, solar absorption agent slip, it is irradiated in slip through vacuum glass case by sunlight, the nano-particle being dispersed in water efficiently absorbs sunlight using its skin effect, improves rapidly water temperature.Invalid between vacuum tube suction ripple interstitial site in prior art is solved mainly, pipe surface evaporation selectivity absorbing material in vacuum tube, solar absorptance are low, and utilization rate is low and evaporation process is complicated, high cost, rapid heat dissipation, the bad problem of effect of heat insulation.Present invention achieves the efficient absorption of solar energy utilizes (reach 85% 95%), realize that process is simplified, cost is relatively low.
Description
Technical field
The invention belongs to solar water heater heat-collecting system regions, more particularly to a kind of stone for being applied to solar water heater
Black alkene solar absorption agent.
Background technology
At present, as " energy-conserving and environment-protective " theory is progressively deep in the minds of people, the clean energy resource as solar energy is got over
More to be welcome by everybody, wherein very popular solar water heater just illustrates this point well.Solar water
Device is that solar energy can be converted into heat energy by one kind, and water is heated to high-temperature from low temperature, to meet people in life, life
The equipment of the hot water demand in product.On market, common water heater is divided into according to version：Vacuum pipe solar water heater
And flat solar water heater.What is be most widely used at home at present is vacuum pipe solar aqueous vapor device, and international
Upper is typically all that flat solar water heater application is more.Vacuum pipe solar water heater be by：Heat collector, heat accumulation
The part such as bucket, water pipe, support and accessory constitutes.Vacuum tube is the core component of vacuum heat-collecting gas, is whole solar energy system
Electromotor.Its good and bad performance directly determines performance and the life-span of solar energy system.Fine vacuum is pumped between glass inside and outside pipe, is made
Convection current and conductive heat loss are preferably minimized.Efficient Al-N/Al heat absorbing coatings vacuum tube collection is adopted current solar water heater more
The solar radiation of absorption, with high solar absorptance and low transmitting ratio coating, is converted into heat energy by hot device；Using cold water proportion
The characteristics of more than hot water proportion, formed in the vacuum collector cold water from top to bottom, hot water water circulation from bottom to top, pass through
Such circulation, gradually rises the water temperature in attemperater.As the vacuum interlayer of vacuum heat collection pipe has good insulation
Performance, cylinder heat-sink shell have nature tracing property to the sun, as long as therefore have solar radiation vacuum heat collection pipe just work,
Even if in high cryogenic region, also normally can run throughout the year.But, as vacuum tube solar heating element is by some vacuum
Pipe composition, gap is there is between pipe, when solar irradiation is mapped on substrate, some solar radiation has been irradiated to two
Interstitial site between vacuum tube, this is a part of invalid energy for collecting system, is only irradiated on vacuum tube
Sunlight could effectively by heat collector institute sorption enhanced be heat energy.So effective absorbing area is little, sun absorption rate is not
It is too a height of 60% or so.Meanwhile, vacuum tube inboard wall outer surface is plated using technologies such as fine vacuum evaporation reaction, magnetron sputterings
Selective absorber coating with excellent long-time stability, but this technology floating coat technics comparing is complicated, it is relatively costly.It is flat
Plate solar water heater is mainly made up of the part such as flat plate collector, storage tank, water pipe, support and accessory, its middle plateform collection
Hot device is the critical component of flat plate solar water heater, and its hot property height is the important indicator for weighing water heater quality.Have
The higher thermal efficiency.For solar vacuum-tube water heater, flat-plate solar collector is but a continuous plane,
Whole heat collector surface can receive sunlight.So, under identical daylighting area and intensity of sunshine, flat solar
The mean daily discharge of hydrophone is typically higher than solar vacuum-tube water heater mean daily discharge more than 6%.With good pressure-bearing
Performance.Stable performance when constituting big system.But flat solar water heater has some shortcomings, flat plate solar water heater
Version core is not vacuum, effect of heat insulation be not it is fine, self-radiating than larger, compared to vacuum pipe solar, its winter radiating compared with
Hurry up.As its installation needs full copper pipe connection, internal structure to be also copper piece, so from for cost and installation, early investment
It is bigger than vacuum tube.Patented technology " the solar energy absorbing paint " (patent No. of Xi'an Li'ao Technology Co., Ltd.
2010106238566, application publication number CN 102134428A) in disclose a kind of for solar energy (light) is transformed into heat energy
Solar energy absorbing paint, it provide three kinds of solar selectively absorbing coatings, the coating is by resin, absorbent, body constitution face
Material, auxiliary agent and solvent are formulated, and coating color is formed by various absorbent (pigment) compounding, and the major function of coating is
Solar energy is converted into heat energy, and with certain dicoration, coating color is brownish red, bottle green and black, and coating is to too
The absorptance of sunlight is 0.95.But absorbing coating is still applied to vacuum tube wall coating by this invention, to collecting system
Configuration aspects do not improve, still the utilization rate of the solar energy with vacuum tube type water heater is low and cost high, and technique is multiple
Miscellaneous shortcoming.Patented technology " solar energy heat absorbing the material " (patent No. that Wuhu Chenxi New Building Materials Technology Co., Ltd. possesses
2015103912598, application publication number CN 105038551A) in disclose solar energy heat absorbing material, including with resin, solidification
Agent, absorbent, solvent, auxiliary agent, absorption enhancer, they are by adding bromo- 2- (2- the fluorophenyls) -1- rings third of 2- in coating
Base ethyl ketone, forms optical trap trapping agent with resin, absorbent, can reach 96-96.5%, emissivity to the absorbance of solar energy
For 0.2-0.25.But this patent principally falls into the solar energy heat absorbing material for flat plate collector.Still in structure also
It is the self shortcoming that there is flat plate collector.Heat absorption efficiency is high, but radiating, than larger, effect of heat insulation is poor.
In sum, on domestic market, vacuum tube type water heater is little to the effective absorbing area of sunlight, identical
Daylighting area and intensity of sunshine under, solar vacuum-tube water heater to sunlight absorption rate be only 60% or so；In glass
The technologies such as fine vacuum evaporation reaction, magnetron sputtering are adopted to plate the selection with excellent long-time stability on glass inner tube outer surface
Absorber coatings, thin film or coating process it is more complicated, it is relatively costly.
The content of the invention
It is an object of the invention to provide a kind of Graphene solar absorption agent for being applied to solar water heater, it is intended to solve
Certainly on domestic market, vacuum tube type water heater is little to the effective absorbing area of sunlight, in identical daylighting area and sunshine
Under intensity, solar vacuum-tube water heater is only 60% or so to sunlight absorption rate；Adopt on glass inner tube outer surface
Use the technologies such as fine vacuum evaporation reaction, magnetron sputtering to plate the Selective absorber coating with excellent long-time stability, thin film or
Coating process is more complicated, relatively costly problem.
The present invention is achieved in that a kind of Graphene solar absorption agent, and Graphene solar absorption agent is by receiving
Rice flour end, dispersant, disperse medium, pH adjusting agent composition；
Compare nanometer powder according to quality：Dispersant：Disperse medium：PH adjusting agent=1～2:5:100:3；
The nanometer powder is black nano graphene particles；Dispersant is Polyethylene Glycol PEG4000, and disperse medium is
Ionized water；The pH adjusting agent is made up of formic acid and ammonia；Formic acid and be 1 with the configuration volume ratio of ammonia:1.5～3.
Further, formic acid purity >=88.0%；Described ammonia purity is 25%～28%；The pH adjusting agent
PH is 8～10, scattered in aqueous as black nano graphene particles using surfactant polyethylene PEG4000
Dispersant；The purity of the black nano graphene particles is more than 95wt%.
Another object of the present invention is to provide a kind of preparation method of the Graphene solar absorption agent, the graphite
The preparation method of alkene solar absorption agent includes：
Add 1g～2g black nano graphene particles in disperse medium per 100g, addition in mass ratio for 0.4%～
0.6% dispersant, and add formic acid and ammonia as pH adjusting agent, mix homogeneously, obtain the stable graphene nano sun
Can absorbent slip.
Another object of the present invention is to provide a kind of solar heat manufactured using the Graphene solar absorption agent
Hydrophone.
Further, by graphene nano solar absorption agent slip on the solar energy heating substrate with being sealed into
The transparent vacuum glass box injection of material mouth；The graphene nano solar absorption agent slip of injection floods transparent vacuum glass completely
Glass thermal conductive water pipe inside case.
Further, the solar water heater is provided with：
Water, for storage water, is introduced user by water pipe by water tank；
Support, for supporting whole water heater；
Charging aperture, for adding nano solar to absorb slip, is clogged with etch-proof heatproof stopper after adding slip, if
Put on the top of transparent vacuum glass box near lateral location；
Slurry, for splendid attire water, is absorbed use water of the heat transfer in water pipe, carries out hot and cold water friendship by thermal conductive water pipe
Change；
Slip, for accommodating a meter solar absorption slip, is injected vacuum glass by charging aperture by transparent vacuum glass box
In case, which is made to be converted into the heat of nano solar absorbent slip in case by sunlight glass box.
Another object of the present invention is to provide a kind of solar energy collection manufactured using the Graphene solar absorption agent
Hot systems.
The present invention is by the high temperature resistance resistance to compression of the vacuum tube in existing vacuum tube type water heater, antifreeze glass thermal conductive water pipe's generation
Replace, increase the transparent vacuum glass box with water inlet of a sealing on collecting plate, glass thermal conductive water pipe is embedded in into vacuum
In glass box, the appropriate nano solar absorbent with Investigation of stabilized dispersion of nano being configured is added in vacuum glass case
Slip, when solar radiation passes through transparent vacuum glass box body, has using nano-particle itself in nano-particle disperse water
The characteristic of bulk effect and skin effect (larger specific surface area), has very big absorption efficiency and utilization rate to sunlight
(reaching 85%～95%), solar energy are converted into the heat of slip in vacuum glass case, then by heat transfer by medium material
The heat energy transmission of slurry gives the domestic use of water in glass tubing.So design had both improve the absorption efficiency of sunlight, it is also possible to solve
There is gap in existing technical problem between two vacuum tubes and asking for solar radiation energy can not be absorbed with more large effective area
Topic.It, for assembling the nano solar absorbent slip put, and is dismountable that vacuum glass water tank is, is detachably
It is in order to by isolation of components, convenient to transport.Glass box is realized transparent, is to make radiation bigger into the solar energy in casing.
Using sealing, vacuum, be, in order to the slurry in guard box is non-volatile, and to reach good heat insulation effect, especially night or
Where Temperature Difference Ratio is larger, the heat diffusion in case can be reduced heat loss is caused in air, so as to reduce heat suction
Produce effects rate；In vacuum glass case add nano solar absorbent slip amount just completely glass water pipe is covered, be in order to
Ensure the omnibearing heat absorbed from slip of vacuum tube, replace vacuum tube inner tube outer surface in prior art to steam using slip
Plate selective absorbing material；The technique that complexity can be greatly reduced, reduces the cost produced by evaporation.
Vacuum tube of the prior art high temperature resistance resistance to compression, antifreeze glass water pipe are replaced, the present invention is primarily due to
The slip of nano-absorbent be to be added in vacuum glass case, rather than coating of the prior art, making glass tubing contributes to
The heat that slurry absorbs quickly is delivered to the use water in glass tubing, improves water temperature at short notice.Add in water a certain amount of
Dispersant and appropriate nanometer black matrix granule, while adding the pH adjusting agent of aqueous solution so that the dispersion of nanoparticles stable is hanged
Float in water.As absorbent granules size belongs to nanoscale, with very big specific surface area, imitated using the volume of nano-particle
Should and skin effect, it is when sunlight aqueous solution, high compared with thin film and coating material to the absorption efficiency of sunlight.
The present invention be carry out on the basis of existing vacuum pipe solar water heater scheme improve simultaneously and similar to
Flat casing water-heater but the structure different from flat plate solar water heater.Increase vacuum glass casing on collecting plate, in case
The nano solar absorbent slip for adding the dispersion stabilization for having configured good in body, has been mapped to one greatly equivalent to solar irradiation
Continuous absorption plane on, instead of in prior art by this improved procedure that pipe surface is deposited with selectivity in the vacuum tube
The mode of absorbing material, the gap being filled between two vacuum tubes increases the effective absorbing area to sunlight, using nano-particle
Bulk effect and skin effect, solar radiative absorption rate is improved a lot, process is simple, cost are relatively low.Simultaneously as setting
The glass box body of meter is vacuum, heat-insulated, good freezing protection effect, effectively prevents the thermal loss of slip.
The nano-absorbent of the present invention is that solar energy (light) efficiently can be converted into heat energy by black matrix material, it is adaptable to the sun
The heat collector of energy water heater.The real density of the Graphene for using in the present invention is 1.7g/cm3。
Description of the drawings
Fig. 1 is the preparation method flow chart of Graphene solar absorption agent provided in an embodiment of the present invention.
Fig. 2 is solar water heater schematic diagram provided in an embodiment of the present invention；
In figure：1st, water tank heat-insulation layers；2nd, water tank；3rd, charging aperture；4th, support；5th, thermal conductive water pipe；6th, transparent vacuum glass box.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to only to explain the present invention
Limit the present invention.
Below in conjunction with the accompanying drawings the application principle of the present invention is explained in detail.
Graphene solar absorption provided in an embodiment of the present invention agent is by nanometer powder, dispersant, disperse medium, pH regulator
Agent is constituted；
Compare nanometer powder according to quality：Dispersant：Disperse medium：PH adjusting agent=1～2:5:100:3；
The nanometer powder is black nano graphene particles；Dispersant is Polyethylene Glycol PEG4000, and disperse medium is
Ionized water；The pH adjusting agent is made up of formic acid and ammonia；Formic acid and be 1 with the configuration volume ratio of ammonia:1.5～3.
As shown in Figure 1：The preparation method of Graphene solar absorption agent provided in an embodiment of the present invention, including following step
Suddenly：
S101：Per 100g disperse medium in add 1g～2g black nano graphene particles, addition be in mass ratio
0.4%～0.6% dispersant, and add formic acid and ammonia as pH adjusting agent, mix homogeneously, obtain stable Graphene too
Positive energy absorbent slip；
S102：By graphene nano solar absorption agent slip on the solar energy heating substrate with being sealed into material
The transparent vacuum glass box injection of mouth；The graphene nano solar absorption agent slip of injection floods transparent vacuum glass box completely
Internal thermal conductive water pipe.
Below in conjunction with the accompanying drawings the application principle of the present invention is further described.
The method for being applied to solar water heater that the present invention is provided, its step is：
As being spherical, its specific surface area has two kinds to the granule that the present invention is used：One is weight specific surface area, is exactly singly
The specific surface area of position weight；Two is volumetric surface area, is exactly the specific surface area of unit volume.The graphite for using in the present invention
The real density of alkene is 1.7g/cm3。
1) slip configuration：Disperse medium is deionized water, with formic acid (purity >=88.0%) and ammonia (purity：25%-
28%) as pH adjusting agent (more preferably scope pH=8～10), surfactant polyethylene 4000 (PEG4000) can be used as receiving
Rice graphene particles scattered dispersant in aqueous, the purity of graphene powder are more than 95wt%.Dispersion per 100g is situated between
1～2g nano-graphene powder is added in matter, when the consumption of PEG4000 is 0.4%～0.6%, PEG4000 is in nano-graphite
The surface of alkene granule defines effectively cladding, generates space stability ultimate load effect, hinders particle agglomeration sedimentation, is stablized
Suspension.
2) according to the size of solar energy heating substrate, on substrate design one sealing with the transparent of charging aperture
Vacuum glass casing, is highly higher by 2-5cm or so than vacuum tube, and charging aperture is arranged on upper side near the position of water tank, if
Put and conveniently can feed slurry at top, while the irradiation due to sunlight can be effectively prevented in view of top-side, and pass through
The sealing-plug volatilization nano solar absorbent slip of charging aperture.
3) the appropriate dispersion stabilization that prepared good nano solar is injected by water inlet pipe by charging aperture to inhale
Receive agent slip.Slip is allowed just to flood glass thermal conductive water pipe completely.
As shown in Figure 2：Solar water heater provided in an embodiment of the present invention, by water tank 2, support 4, charging aperture 3, heat-conductive water
Pipe 5, transparent vacuum glass box 6 are constituted；Water tank 2 is made up of water tank heat-insulation layers 1, water inlet, gap and inner bag water tank；Water tank is used
In storage water, water is introduced by user by water pipe.Support 4 is for supporting whole hot water apparatus.Charging aperture 3 is for adding
Enter nano solar and absorb slip, clogged with etch-proof heatproof stopper after adding slip, design in transparent vacuum glass box
Top near lateral location, direct irradiation of sunlight can be avoided and cause nano solar absorbent slip to wave by stopper
Send out.Thermal conductive water pipe 5 is, for splendid attire water, to instead of vacuum tube of the prior art, and good heat conduction effect is mainly used in slurry
Use water of the heat transfer in water pipe is absorbed, cold and hot water coke slurry is carried out so that the temperature of the water in pipe is improved rapidly.Transparent vacuum
Glass box 6 is, for accommodating a meter solar absorption slip, slip to be injected in vacuum glass case, by the sun by charging aperture
Light irradiation glass box makes which be converted into the heat of nano solar absorbent slip in case.
The present invention be carry out on the basis of existing vacuum pipe solar water heater scheme improve simultaneously and similar to
Flat casing water-heater but the structure different from flat plate solar water heater.Increase vacuum glass casing on collecting plate, in case
The nano solar absorbent slip for adding the dispersion stabilization for having configured good in body, has been mapped to one greatly equivalent to solar irradiation
Continuous absorption plane on, instead of in prior art by this improved procedure that pipe surface is deposited with selectivity in the vacuum tube
The mode of absorbing material, the gap being filled between two vacuum tubes increases the effective absorbing area to sunlight, using nano-particle
Bulk effect and skin effect, solar radiative absorption rate is improved a lot, process is simple, cost are relatively low.Simultaneously as setting
The glass box body of meter is vacuum, heat-insulated, good freezing protection effect, effectively prevents the thermal loss of slip.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of Graphene solar absorption agent, it is characterised in that Graphene solar absorption agent is by nanometer powder, dispersion
Agent, disperse medium, pH adjusting agent composition；
Compare nanometer powder according to quality：Dispersant：Disperse medium：PH adjusting agent=1～2:5:100:3；
The nanometer powder is black nano graphene particles；Dispersant is Polyethylene Glycol PEG4000, and disperse medium is deionization
Water；The pH adjusting agent is made up of formic acid and ammonia；Formic acid and be 1 with the configuration volume ratio of ammonia:1.5～3.
2. Graphene solar absorption agent as claimed in claim 1, it is characterised in that formic acid purity >=88.0%；Institute
The ammonia purity stated is 25%～28%；The pH of the pH adjusting agent is 8～10, using surfactant polyethylene
PEG4000 is used as black nano graphene particles scattered dispersant in aqueous；The black nano graphene particles
Purity is more than 95wt%.
3. a kind of preparation method of Graphene solar absorption agent as claimed in claim 1, it is characterised in that the Graphene is too
The preparation method of positive energy absorbent includes：
1g～2g black nano graphene particles are added in disperse medium per 100g, addition is 0.4%～0.6% in mass ratio
Dispersant, and add formic acid and ammonia as pH adjusting agent, mix homogeneously, obtain stable graphene nano solar absorption
Agent slip.
4. the solar water heater that Graphene solar absorption agent described in a kind of utilization claim 1～3 any one is manufactured.
5. solar water heater as claimed in claim 4, it is characterised in that by graphene nano solar absorption agent slip to
On solar energy heating substrate, the transparent vacuum glass box with sealed feed inlet injects；The graphene nano sun of injection
The glass thermal conductive water pipe that energy absorbent slip is flooded inside transparent vacuum glass box completely.
6. solar water heater as claimed in claim 4, it is characterised in that the solar water heater is provided with：
Water, for storage water, is introduced user by water pipe by water tank；
Support, for supporting whole water heater；
Charging aperture, for adding nano solar to absorb slip, is clogged with etch-proof heatproof stopper after adding slip, is arranged on
The top of transparent vacuum glass box is near lateral location；
Slurry, for splendid attire water, is absorbed use water of the heat transfer in water pipe, carries out cold and hot water coke slurry by thermal conductive water pipe；
Transparent vacuum glass box, for accommodating a meter solar absorption slip, is injected slip in vacuum glass case by charging aperture,
Which is made to be converted into the heat of nano solar absorbent slip in case by sunlight glass box.
7. the solar thermal collection system that Graphene solar absorption agent described in a kind of utilization claim 1～3 any one is manufactured.
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| CN201610888188.7A CN106556173A (en) | 2016-10-11 | 2016-10-11 | A kind of Graphene solar absorption agent for being applied to solar water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452691A (en) * | 2020-11-30 | 2021-03-09 | 李涛 | Solar panel coating |
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| CN200986327Y (en) * | 2006-11-07 | 2007-12-05 | 江苏省华扬太阳能有限公司 | Solar heat collector |
| CN102604603A (en) * | 2012-02-10 | 2012-07-25 | 陈德全 | Nanometer long-acting cooling liquid |
| US20130180520A1 (en) * | 2011-06-07 | 2013-07-18 | Halotechnics, Inc. | Thermal energy storage with molten salt |
| CN104277768A (en) * | 2013-07-02 | 2015-01-14 | 樊建华 | Phase change energy storage material, and production method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986327Y (en) * | 2006-11-07 | 2007-12-05 | 江苏省华扬太阳能有限公司 | Solar heat collector |
| US20130180520A1 (en) * | 2011-06-07 | 2013-07-18 | Halotechnics, Inc. | Thermal energy storage with molten salt |
| CN102604603A (en) * | 2012-02-10 | 2012-07-25 | 陈德全 | Nanometer long-acting cooling liquid |
| CN104277768A (en) * | 2013-07-02 | 2015-01-14 | 樊建华 | Phase change energy storage material, and production method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112452691A (en) * | 2020-11-30 | 2021-03-09 | 李涛 | Solar panel coating |
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Application publication date: 20170405 |