CN114530516A - Fully-passive heat dissipation device for low-power concentrating photovoltaic - Google Patents
Fully-passive heat dissipation device for low-power concentrating photovoltaic Download PDFInfo
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- CN114530516A CN114530516A CN202210093089.5A CN202210093089A CN114530516A CN 114530516 A CN114530516 A CN 114530516A CN 202210093089 A CN202210093089 A CN 202210093089A CN 114530516 A CN114530516 A CN 114530516A
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- 230000017525 heat dissipation Effects 0.000 title claims description 44
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 238000005057 refrigeration Methods 0.000 claims abstract description 26
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 13
- 239000004519 grease Substances 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- -1 silicon ester Chemical class 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 39
- 238000005516 engineering process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
- H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
- H01L31/0525—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells including means to utilise heat energy directly associated with the PV cell, e.g. integrated Seebeck elements
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model provides a passive heat abstractor entirely for low power spotlight photovoltaic, includes solar wafer, heat conduction silicone grease, VC fin radiator and sky radiation refrigeration membrane, solar wafer is located VC fin top, just solar wafer surface passes through heat conduction silicone grease with VC fin upper surface connection, sky radiation refrigeration membrane is attached the VC fin with the part of the exposure of the two upper surface of fin radiator. The solar cell passive refrigeration device is based on the sky radiation refrigeration principle, heat inside a solar cell is efficiently led out in time by utilizing the excellent temperature equalizing performance of the VC radiating fins, passive refrigeration is carried out on the surface of the upper surface of the device except the solar cell by utilizing the sky radiation refrigeration film, heat in the solar cell is radiated to space with the temperature close to 0K, efficient passive refrigeration is realized, and the sky radiation refrigeration film does not need to cover the surface of the solar cell by matching the VC with the sky radiation refrigeration film.
Description
Technical Field
The invention belongs to the field of concentrating photovoltaics, and particularly relates to a fully passive heat dissipation device for low-power concentrating photovoltaics.
Background
The Concentrating Photovoltaic (CPV) power generation technology uses cheap concentrating components to concentrate light intensity, improves the power generation efficiency, thins the cost of the battery and reduces the space greatly. The ultimate efficiency of the concentrating silicon solar cell is as high as 37%, while the crystalline silicon solar cell is developed most mature and has the lowest cost, and the research on the concentrating silicon solar cell has great significance to the whole photovoltaic industry. But the concentration photovoltaic has high heat flux density at the light spot, so the heat generation is fast, and the heat dissipation requirement is higher than that of the common photovoltaic.
At present, almost no effective heat dissipation technology exists for low-power light-gathering silicon solar cells, and development of a low-cost, unpowered, highly stable and maintenance-free heat dissipation technology suitable for light-gathering silicon solar cells is urgently needed. The traditional active heat dissipation needs an additional flow driving device, increases the complexity and energy consumption of a system, has insufficient reliability and needs maintenance cost; the heat exchange coefficient of the traditional passive heat dissipation technology is usually lower than 10W/m2K, often requiring high thermal conductivity materials and large area heat sinks to meet the heat dissipation requirements of the concentrating solar cell, which is expensive; or the solar cell surface is directly covered by the coating, so that the material limitation is large, and the coating is not suitable for the heat dissipation of the light-gathering silicon solar cell.
Disclosure of Invention
The invention provides a fully passive heat dissipation device for low-power concentrating photovoltaic, aiming at solving the problems that the existing heat dissipation technology is high in cost, low in heat dissipation efficiency and not suitable for concentrating photovoltaic.
The technical scheme of the invention is as follows:
the utility model provides a passive heat abstractor entirely for low-power spotlight photovoltaic, its characterized in that includes solar cell piece, heat conduction silicone grease, VC fin, fin radiator and sky radiation refrigeration membrane, the solar cell piece is located VC fin top, just solar cell piece lower surface with be heat conduction silicone grease between the VC fin upper surface, the area of the upper surface of VC radiator is greater than the area of solar cell piece lower surface, VC fin lower surface is connected with the fin radiator, the sky radiation refrigeration membrane is attached VC fin with the part of the exposure of the two upper surfaces of fin radiator.
Preferably, the solar cell is made of monocrystalline silicon.
Preferably, the solar cell is a cuboid with a size of 8-12 mm × 0.15-0.25 mm.
More preferably, the heat-conducting silicone ester has a heat conductivity of 5-7W/m.k.
Preferably, the finned heat sink is an aluminum finned heat sink.
Preferably, the VC radiating fins are cuboids, the upper surfaces and the lower surfaces of the VC radiating fins are squares, the side length is 28-32mm, and the thickness is 3.5-4.5 mm; the heat-conducting silicon ester is a cuboid, and the size of the heat-conducting silicon ester is 8-12 mm multiplied by 0.04-0.06 mm.
More preferably, the size of the solar cell is 10mm × 10mm × 0.2mm, the side length of the upper surface and the lower surface of the VC heat sink is 30mm, the thickness of the VC heat sink is 4mm, and the size of the heat-conducting silicone grease is 10mm × 10mm × 0.05 mm.
Further preferably, the upper surface of the aluminum fin radiator bottom plate is rectangular, the thickness of the bottom plate is 5mm, the specification is 107mm x 60mm, the lower surface of the bottom plate is provided with a radiating fin array, the specification of fins is 60mm x 38mm x 2mm, and the fin spacing is 5 mm.
Preferably, the VC heat sink is attached to the aluminum finned heat sink by a pressing process.
Preferably, the thickness of the sky radiation refrigerating film is 0.5mm, and the surface emissivity at a full spectrum waveband is 0.95.
The invention has the following technical effects:
the invention provides a fully passive heat dissipation device for low-power concentrating photovoltaic, which is based on the sky radiation refrigeration principle, firstly, the excellent temperature equalization performance of a VC (polyvinyl chloride) heat dissipation fin is utilized to lead out the heat inside a solar cell piece in time and efficiently, then, a sky radiation refrigeration film is utilized to carry out passive refrigeration on the surface part of the upper surface of the device except the solar cell piece, the heat in the solar cell is radiated to the space with the temperature close to 0K, the efficient passive refrigeration is realized, the cooperation of the VC heat dissipation fin and the sky radiation refrigeration film ensures that the sky radiation refrigeration film does not need to cover the surface of the solar cell piece, then, the fin radiator is matched to timely dissipate the heat conducted by the VC heat dissipation fin radiator, and the natural air cooling is realized simultaneously by utilizing the efficient heat dissipation structure of the fin radiator. The whole heat dissipation device realizes full passive heat dissipation, has the excellent performances of low cost, high reliability, no movable part, no energy consumption, compact device, high heat dissipation efficiency, convenient maintenance and the like, can simultaneously take the heat dissipation requirements and the size of related components of the device cost into consideration through the matching of various heat dissipation forms such as radiation, conduction, convection and the like and the device, particularly has the small size which just can meet the heat conduction condition, and realizes the optimization of the heat dissipation device.
The VC radiating fins can effectively reduce hot spots on the battery chip while efficiently diffusing heat by utilizing the good temperature equalizing effect of the VC radiating fins, and compared with a heat pipe which is usually required to be embedded into a substrate for use, the VC radiating fins can be directly contacted with a heat source, so that the thermal resistance is greatly reduced;
the aluminum radiating fins are utilized, the aluminum radiator is bonded at the bottom of the VC radiating fins to carry out natural air convection radiation, and the heat transmitted by the VC radiating fins is dissipated in time, so that the structure is compact and efficient;
the heat conducted out by the VC radiating fins is timely dissipated by utilizing the sky radiation refrigerating film, no consumption and no movable part exist, and the refrigeration is continuously carried out.
The whole heat dissipation process that heat in the solar cell is generated, led out and finally dissipated is integrally realized, and the whole heat dissipation device has the advantages of full passive refrigeration, and has the advantages of compactness, high efficiency, simple structure, low cost and the like.
The surface emissivity of the sky radiation refrigerating film in a full-spectrum waveband is 0.95, because the sky radiation refrigerating film does not directly receive sunlight in a point focusing type light condensing device, and compared with the traditional day sky radiation refrigerating film (low emissivity in a waveband of 0.3-2 mu m of sunlight and high emissivity in a waveband of 8-13 mu m), the sky radiation refrigerating film specially used for low-power concentrating photovoltaic has high emissivity in the full-spectrum waveband, and the heat dissipation efficiency is greatly improved.
Drawings
Fig. 1 is a schematic front view of a fully passive heat dissipation device for concentrated photovoltaic according to embodiment 1 of the present invention;
FIG. 2 is a schematic top view of embodiment 1;
FIG. 3 is a schematic left side view of embodiment 1;
FIG. 4 is a graph showing the heat dissipation effect of the comparative apparatus of example 1 (ambient temperature 50 ℃, concentration ratio 200, natural convection, direct bonding of solar cell sheet to aluminum finned heat sink);
FIG. 5 is a heat dissipation diagram of example 1 (ambient temperature 50 ℃, concentration ratio 200, natural convection);
fig. 6 is a schematic front view of a fully passive heat dissipation device for concentrated photovoltaic according to embodiment 2 of the present invention;
FIG. 7 is a schematic top view of embodiment 2;
FIG. 8 is a graph showing the heat dissipation effect of example 2 (ambient temperature 50 ℃ C., condensing ratio 200, natural convection).
The reference numbers in the figure are as follows:
the solar cell comprises a 1-solar cell sheet, 2-thermal conductive silicone grease, 3-VC radiating fins, 4-aluminum finned radiators, 5-sky radiation refrigerating films, 6-heat pipes and 7-lenses.
Detailed Description
In order that the invention may be better understood, the invention will now be further explained with reference to specific examples. It should be noted that, in order to clearly describe the present invention without being obscured by some unnecessary details, only the structure of the apparatus closely related to the present invention is shown in the embodiment, and other details not closely related to the present invention are omitted.
Example 1
The fully passive heat dissipation device for low concentration photovoltaic of the embodiment, as shown in fig. 1 to 3, includes a solar cell 1, a VC heat sink 3, an aluminum finned heat sink 4, and a sky radiation refrigeration film 5.
Fig. 1 is a schematic front view of the fully passive heat dissipation device for concentrated photovoltaic according to the present invention. The solar cell slice 1 with VC fin 3 passes through heat conduction silicone grease 2 is connected, VC fin 3 with aluminium system fin radiator 4 realizes the metal laminating through the pressurization technology, sky radiation refrigeration membrane 5 is attached VC fin 2 is except that the upper surface of cell slice 1 and aluminium system fin radiator 4 except that the upper surface of VC fin 2.
As shown in fig. 2, a schematic plan view is shown, and the sky radiation refrigerating film 5 is attached to all regions except the solar cell sheet 1 on a projection plane in plan view.
The solar cell piece 1 is a monocrystalline silicon cell piece, and the size is 10mm multiplied by 0.2 mm; the heat conductivity coefficient of the heat-conducting silicon ester 2 is 6W/m.k, and the size is 10mm multiplied by 0.05 mm; the VC radiating fins 3 are 4mm in thickness, the upper surfaces and the lower surfaces are square, and the side length is 30 mm; the upper surface of the bottom plate of the aluminum finned radiator 4 is rectangular, the thickness of the bottom plate of the aluminum finned radiator 4 is 5mm, the specification is 107mm x 60mm, the lower surface of the bottom plate of the aluminum finned radiator 4 is provided with a fin array, the specification of the fins is 60mm x 38mm x 2mm, and the fin spacing is 5 mm; the thickness of the sky radiant refrigerating film 5 is 0.5 mm. Since the solar rays are converged on the solar cell sheet 1 through the lens 7, the sky radiation refrigerating film 5 does not need to receive the sunlight, and therefore the surface emissivity in the full-spectrum wave band is 0.95 which is high.
The specific working principle is as follows: under the spotlight condition, the light and heat loading is in the upper surface of battery piece 1, through the thin layer heat conduction silicone grease 2 extremely with the heat conduction VC fin 3, VC fin 3 has high-efficient equal thermal behavior and in time spreads the heat and conducts extremely aluminium system fin radiator 4, aluminium system fin radiator 4 dispels the heat under the natural air convection condition through the fin structure, simultaneously, attached VC fin 3 with aluminium system fin radiator 4 upper surface sky radiation refrigeration membrane 5 continuously refrigerates.
The embodiment combines the high-efficiency temperature equalizing performance of the VC radiating fins with two passive refrigeration technologies of sky radiation refrigeration and natural air cooling of an aluminum finned radiator, and achieves the excellent performances of no consumption, no movable part, compact and reliable device, high radiating efficiency and the like.
In order to show the specific heat dissipation effect of the heat dissipation device of this embodiment, the conventional light-gathering heat dissipation device is compared with the heat dissipation device designed by the present invention through numerical simulation in fig. 4-5.
Under the same external conditions (ambient temperature 50 ℃, concentration ratio of 200, natural convection condition):
fig. 4 shows that in the conventional heat dissipation device, a solar cell is directly combined with an aluminum fin heat sink, the maximum temperature of the solar cell is 75.8 ℃, and the minimum temperature of the heat sink is 65.9 ℃, namely, the temperature of the solar cell rises by 25.8 ℃ relative to the environment, and the temperature difference inside the heat sink is 9.9 ℃;
fig. 5 shows that the highest temperature of the solar cell is 70.1 ℃, the lowest temperature of the radiator is 66.2 ℃, namely the temperature of the solar cell rises by 20.1 ℃ relative to the environment, and the temperature difference inside the radiator is 3.9 ℃;
referring to fig. 4 and 5, it can be seen that the heat dissipation device provided by the present invention reduces the maximum temperature of the solar cell by 5.7 ℃, and the temperature difference of the device itself is reduced from 9.9 ℃ to 3.9 ℃.
Example 2
The present embodiment is shown in fig. 6-8, and is different from embodiment 1 in that a heat pipe 6 with a phase change working medium inside is embedded in a bottom plate of an aluminum fin radiator, so as to further accelerate heat diffusion from the middle position of the radiator to the periphery.
Fig. 8 provides the simulation result of the specific heat dissipation effect of example 2, wherein the maximum temperature of the solar cell is 68.5 ℃, and the minimum temperature of the heat sink is 65.4 ℃, namely, the temperature of the solar cell rises by 18.5 ℃ relative to the environment, and the temperature difference inside the heat sink is 3.1 ℃;
referring to fig. 8 and 4, it can be seen that the heat dissipation device provided in example 2 reduces the maximum temperature of the solar cell by 7.3 ℃, and the temperature difference of the device itself is reduced from 9.9 ℃ to 3.1 ℃.
Claims (10)
1. The utility model provides a passive heat abstractor entirely for low-power spotlight photovoltaic, its characterized in that includes solar cell piece, heat conduction silicone grease, VC fin, fin radiator and sky radiation refrigeration membrane, the solar cell piece is located VC fin top, just solar cell piece lower surface with be heat conduction silicone grease between the VC fin upper surface, the area of the upper surface of VC radiator is greater than the area of solar cell piece lower surface, VC fin lower surface is connected with the fin radiator, the sky radiation refrigeration membrane is attached VC fin with the part of the exposure of the two upper surfaces of fin radiator.
2. The heat dissipating device of claim 1, wherein the solar cell is made of single crystal silicon.
3. The heat dissipation device as claimed in claim 2, wherein the solar cell is a rectangular parallelepiped with dimensions of 8-12 mm x 0.15-0.25 mm.
4. The heat dissipating device of claim 2, wherein the thermally conductive silicone ester has a thermal conductivity of 5-7W/m-k.
5. The heat sink of claim 1, wherein the finned heat sink is an aluminum finned heat sink.
6. The heat sink according to claim 5, wherein the VC fins are rectangular, and the upper and lower surfaces thereof are square, with a side length of 28-32mm and a thickness of 3.5-4.5 mm; the heat-conducting silicon ester is a cuboid, and the size of the heat-conducting silicon ester is 8-12 mm multiplied by 0.04-0.06 mm.
7. The heat dissipation device of claim 6, wherein the solar cell is 10mm x 0.2mm in size, the VC heat sink has an upper and lower surface side of 30mm and a thickness of 4mm, and the thermally conductive silicone grease is 10mm x 0.05mm in size.
8. The heat dissipating device of claim 7, wherein the aluminum finned heat sink has a rectangular top surface, a bottom thickness of 5mm in 107mm by 60mm, and an array of fins on a bottom surface of the bottom, the fins having a 60mm by 38mm by 2mm, and a fin pitch of 5 mm.
9. The heat sink of claim 5, wherein said VC fins are bonded to said aluminum finned heat sink by a compression process.
10. The heat dissipating device of claim 1, wherein said skyward cooling film has a thickness of 0.5mm and a surface emissivity of 0.95 at a full spectrum band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093089.5A CN114530516A (en) | 2022-01-26 | 2022-01-26 | Fully-passive heat dissipation device for low-power concentrating photovoltaic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210093089.5A CN114530516A (en) | 2022-01-26 | 2022-01-26 | Fully-passive heat dissipation device for low-power concentrating photovoltaic |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10321890A (en) * | 1997-05-15 | 1998-12-04 | Hitachi Chem Co Ltd | Solar battery cooling system |
| JP2003070273A (en) * | 2001-08-29 | 2003-03-07 | Canon Inc | Solarlight power generating system |
| JP2010165995A (en) * | 2009-01-19 | 2010-07-29 | Sharp Corp | Concentrator photovoltaic module |
| CN102422440A (en) * | 2009-05-06 | 2012-04-18 | 原子能与替代能源委员会 | Hybrid solar receiver, and concentrating solar system comprising the same |
| CN107733354A (en) * | 2016-08-10 | 2018-02-23 | 福特全球技术公司 | The system and method for passive cooling photovoltaic module |
| CN113871505A (en) * | 2021-08-26 | 2021-12-31 | 山东高等技术研究院 | Reflective concentrating photovoltaic system based on phase-change heat storage and radiation refrigeration |
-
2022
- 2022-01-26 CN CN202210093089.5A patent/CN114530516A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10321890A (en) * | 1997-05-15 | 1998-12-04 | Hitachi Chem Co Ltd | Solar battery cooling system |
| JP2003070273A (en) * | 2001-08-29 | 2003-03-07 | Canon Inc | Solarlight power generating system |
| JP2010165995A (en) * | 2009-01-19 | 2010-07-29 | Sharp Corp | Concentrator photovoltaic module |
| CN102422440A (en) * | 2009-05-06 | 2012-04-18 | 原子能与替代能源委员会 | Hybrid solar receiver, and concentrating solar system comprising the same |
| CN107733354A (en) * | 2016-08-10 | 2018-02-23 | 福特全球技术公司 | The system and method for passive cooling photovoltaic module |
| CN113871505A (en) * | 2021-08-26 | 2021-12-31 | 山东高等技术研究院 | Reflective concentrating photovoltaic system based on phase-change heat storage and radiation refrigeration |
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