CN101902168B - A kind of solar straight-tube photoelectric converter - Google Patents
A kind of solar straight-tube photoelectric converter Download PDFInfo
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- CN101902168B CN101902168B CN200910302736.3A CN200910302736A CN101902168B CN 101902168 B CN101902168 B CN 101902168B CN 200910302736 A CN200910302736 A CN 200910302736A CN 101902168 B CN101902168 B CN 101902168B
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- siphunculus
- printing opacity
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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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
- Y02E10/60—Thermal-PV hybrids
Abstract
Object of the present invention is just to provide a kind of solar through pipe photoelectric conversion devices, sampling siphunculus light transmissive material, the inside, outer surface of siphunculus device process solar photovoltaic conversion material, solar energy is converted to electric energy, openend is carried out airtightly just can directly to use, do not need to encapsulate it again, reduce the cost of existing solar photovoltaic conversion material; Simultaneously the inside cavity of siphunculus light penetrating device fluid or Heat Pipes can be set to the control of the temperature of solar photovoltaic conversion material, it is made to remain efficient conversion efficiency, its heat energy is fully utilized after being transmitted by fluid or heat pipe, thus realizes the comprehensive integrated utilization of solar power generation, temperature control, raising solar energy conversion efficiency, solar thermal utilization.
Description
Technical field
The present invention relates to the utilization of solar energy, the device converted solar energy into electrical energy, relate to the device utilizing siphunculus light penetrating device solar energy to be converted to electric energy.
Background technology
The application technology of solar energy maturation is the low-temperature water heating utilization of solar energy, main employing vacuum glass Manifold technology converts solar energy into heat energy, at this kind technically, have to adopt and heat pipe is inserted into inner technology heat being delivered to outside acquisition solar energy of glass tube with vacuum, and further improve and the various devices of exploitation on vacuum glass basis, wherein be provided with vacuum layer in glass tube with vacuum to be incubated, selective coating is set in the inside of vacuum layer sorption enhanced is carried out to solar energy, although vacuum glass layer well achieves insulation, selective coating well achieves sun transformation of energy, but, heat energy utilization after its conversion gets up very uneconomical, as adopted existing method, water is fed directly to glass tube with vacuum inside and directly carries out heat exchange, but just cannot use to winter, although adopt hot pipe technique to achieve heat transfer in the winter time, but add cost, reduce the utilance of heat energy, current this technology is applied to the hot water application of low temperature, and the application of the middle high temperature of solar energy cannot be realized, as the application of solar generator.
The generation technology of high temperature in existing technology solar energy, mainly adopts tower, slot type and butterfly, and groove type solar is business-like solar energy photothermal converter part, main employing outside is glass tube, inside is stainless steel metal pipe, and inside vacuumizes, and realizes the collection of solar energy; But this kind of absorber price is high, only have the enterprise of minority can grasp its production technology; The main difficult technical that butterfly solar energy and tower type solar are applied simultaneously is also photothermal conversion solar energy conversion device, particularly tower type solar, need to carry out work in the interval of 600-1500 degree mainly due to photothermal converter, the metal device adopted due to high temperature cannot long time stable work, thus tower solar power station just cannot be long-term carry out work, thus need to improve the solar energy photothermal converter part of high temperature.
Along with the development of solar energy mirror technology, common optical frames or Fresnel optical frames can be adopted to collect solar energy, but, after having solar energy mirror technology to be collected by solar energy, very high density of heat flow rate will be produced, adopt common heat-transfer matcrial to carry out changing the transmission of the heat energy that cannot realize high heat flux, thus need a kind of novel material to realize heatproof with efficient.
Existing photovoltaic inverter part is monocrystalline silicon, polysilicon and hull cell three major types type, a kind of metal, nonmetallic planar substrates of plane process a kind of solar photovoltaic conversion coating, solar energy is converted to electric energy, the film that planar substrates can bend and become hull cell, coating mainly adopts monocrystalline silicon, amorphous silicon battery to crystal silicon and film.But silicon material for solar cells is mostly from the outer product of semiconductor silicon material and the material end to end of monocrystalline silicon at present, the needs of photovoltaic industry development can not be met.Silicon materials form the part being difficult in crystal silicon solar battery component cost reduce just simultaneously, therefore in order to adapt to the needs of solar cell high efficiency, low cost, large-scale production development, the most effective way does not adopt by silicon raw material, silicon ingot, silicon chip to the process route of solar cell, and adopt directly by the process route of raw material to solar cell.In principle, several μm thick just can absorb most energy, but the thickness of actual polysilicon membrane is generally 50 μm.Just because of this, be developed thin film solar cell, the filming of solar cell is to reduce ground solar cell cost of manufacture and to save for the purpose of expensive semiconductor cell structure material.In order to from support cells thin-film active layer in mechanical strength, just need substrate.Certainly, backing material also should be cheap.So in most example, substrate is not semi-conducting material.The semiconductive thin film that substrate is formed is polycrystal or noncrystal, and needs not to be monocrystal.Semiconductive thin film on substrate, can be formed by all means: physics with the growth method of chemistry and substrate impregnating method in fused semiconductor material.The transformational structure of hull cell is the same with the structure of single crystal battery, has p-n junction type, Schottky type, MIS type and heterojunction type etc.
But the battery of existing solar photovoltaic conversion, the encapsulation such as glass are increased in outside after the processing of solar photoelectric converting material is on a backing material, simultaneously owing to there is no further temperature control device, make photovoltaic cell in use by the impact of temperature, common battery at noon time generating efficiency reduce on the contrary, if increase the cost that attemperating unit turn increases solar panel, photovoltaic and photothermal comprehensive utilization can not be realized simultaneously, only solar panel can be gathered electric energy, an energy and heat energy can not be provided simultaneously, affect the comprehensive utilization ratio of solar energy.
Summary of the invention
Object of the present invention is just to provide a kind of solar through pipe photoelectric conversion devices, adopt siphunculus light transmissive material, the inside, outer surface of siphunculus device process solar photovoltaic conversion material, solar energy is converted to electric energy, openend is carried out airtightly just can directly to use, do not need to encapsulate it again, reduce the cost of existing solar photovoltaic conversion material; Simultaneously the inside cavity of siphunculus light penetrating device fluid or Heat Pipes can be set to the control of the temperature of solar photovoltaic conversion material, it is made to remain efficient conversion efficiency, its heat energy is fully utilized after being transmitted by fluid or heat pipe, thus realizes the comprehensive integrated utilization of solar power generation, temperature control, raising solar energy conversion efficiency, solar thermal utilization.
In order to improve Solar use efficiency, being also provided with solar energy mirror in the outside of device, solar energy being carried out reflect, reflect, the focusing such as projection, to raise the efficiency, in order to reduce heat waste, add heat-insulation layer in the outside of device.
Concrete summary of the invention is as follows:
A kind of solar through pipe photoelectric conversion devices, at least comprise a printing opacity siphunculus device, printing opacity siphunculus device is provided with a solar photovoltaic conversion coating, converts solar energy into electrical energy, described printing opacity siphunculus device is provided with the wire installation for electric energy transmitting.
Printing opacity siphunculus device is a cavity being at least provided with import and outlet, the shape of cavity be cylinder, spherical, oval, polyhedral one or more, or the cavity of at least one end opening that cavity rotates along an axis.
The material of any printing opacity may be used to make siphunculus device, is preferably glass devices.
Any coating material solar energy being converted to heat energy is suitable for requirement of the present invention, the processing of solar photovoltaic conversion coating in the inside of printing opacity siphunculus device and/or outside at least partially on the surface, preferably process the region can irradiated at sunlight.
Preferred solar photovoltaic conversion coating selects following at least one:
A, monocrystalline silicon coating;
B, polysilicon coating;
C, amorphous silicon membrane coating;
D, polycrystal silicon film coating.
Described solar photovoltaic conversion coating is divided into multiple region, it is an independently solar energy conversion coating unit in each region, each unit is provided with both positive and negative polarity electric lead, the both positive and negative polarity of multiple unit is interconnected, the solar photoelectric converter of Component units.
Exchange piece and/or heat exchanging fluid is also provided with in the inside of printing opacity siphunculus device and/or outside.
Exchange piece is selected from following one:
A, metal, nonmetal, metal and non-metal composite pipe part;
The evaporation ends of B, heat pipe.
Siphunculus pipe fitting containing two openings, its inner insertion metal tube, metal tube is the metal tube being provided with import and outlet, fluid flows out from the import of metal tube with outlet, the evaporation ends of heat pipe is arranged on the inside of device, and condensation end is arranged on the outside of siphunculus, heat pipe and siphunculus device compact siro spinning technology.
Described fluid is one or more in liquid, gas, solidliquid mixture, gas-liquid mixture, gas-liquid-solid mixture.
The structure of any kind, as long as the requirement meeting heat exchange, may be used to carry out heat exchange, and the heat pipe of usual heat exchanger components is at least following a kind of heat pipe:
A, general heat pipe;
B, integral heat pipe;
C, separate type circulating heat pipe;
D, heat pipe can be connected;
F, pulse heat pipe;
For different temperature ranges, can adopt different connected modes, the connected mode of heat exchanger and siphunculus device adopts following one:
A, transition material connect, and comprise that kovar alloy connects, the transition material of metal or pottery;
B, inner or outer bellows connect;
C, to be nonmetally flexible coupling, to comprise and adopt rubber cushion rubber, sealing gasket, silica gel ring, cork.
Thus for different application of temperature, can adopt applicable closed mode, usual siphunculus device and heat exchanger form one of following device:
A, vacuum device; By to vacuumize or thermal exhaust makes siphunculus device and exchange piece form an airtight cavity, inside can keep vacuum degree.
B, antivacuum device; Siphunculus device and exchange piece antivacuum airtight, gas can enter or discharge;
C, partial vacuum device; Siphunculus device and exchange piece form an airtight cavity, but whether adopt vacuum tightness, will reduce gradually along with using inner vacuum degree.
After vacuumizing or fill inert gas, protective gas, undertaken airtight by openend, sealed end can make wire or heat exchanger pass.
Siphunculus device exterior, between siphunculus device and exchange piece or/and have solar energy mirror in the outer setting of siphunculus device; Adopt the various solar energy mirror of projection sunlight to be injected into the inside of cavity at siphunculus device exterior, preferably adopt Fresnel Lenses; Device between siphunculus device and exchange piece, preferably adopts the sunglasses of reflection or refraction, will enter into the solar light focusing of cavity on exchange piece; For can arrange reflection or diaphotoscope in the outside of siphunculus device, realize focusing on or secondary focusing, namely first adopt a kind of solar energy mirror to focus on, if need to carry out secondary focusing or multi-focusing again, until meet designing requirement; For the Solar use of high temperature, radiation heat transfer will become crucial heat exchange, thus need the solar energy mirror increasing antiradiation, realize antiradiation heat exchange as adopted tinfoil paper at a low price; No matter adopting which kind of mode, as long as focus on siphunculus after sunlight can being carried out transmission, reflection, refraction, is all the method that the present invention can adopt, and solar energy mirror is selected from following one or its combination:
A, composite parabolic speculum;
B, Fresnel mirror, comprise lens or speculum;
C, concave, convex lens;
D, disc type parabolic reflector;
E, post, channel-shaped parabolic reflector;
F, plane mirror;
G, the material reflected thermal radiation, comprise tinfoil paper.
The position that the sunlight of siphunculus device or exchange piece can not be irradiated to still is provided with insulation material, so that minimizing heat waste, according to different application of temperature, different heat preserving modes can be adopted, high temperature is applied, first need asbestos, fiber, cement etc. to realize the insulation of high temperature, then also need the insulation materials such as the polyurethane of low temperature, polyphenyl materials, usually can adopt and at least select one or more combined material following:
A, metal containing vacuum layer or nonmetallic materials;
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl materials, plastics, nylon insulation material;
E, thermal insulation coatings;
Any shape can be adopted to realize object of the present invention, but the shape of siphunculus device and heat exchanger components usually can be cylinder, spherical, oval, polyhedron, fan-shaped, with recessed or projecting apertures polyhedral one or more, the device of cylinder is suitable for the solar energy acquisition of line focus, as the device that siphunculus or inside and outside are all siphunculus pipes, spherical, oval, polyhedron, fan-shaped; And with the cylinder of recessed or projecting apertures, spherical, oval, polyhedron, fan-shaped collection and the utilization being suitable for butterfly and tower type solar, according to different sun collections, can take different shapes; With the cylinder of recessed or projecting apertures for increasing the utilization ratio of solar energy.
The usefulness of invention:
1, by the design of integration, make solar energy coating can on direct processed blind pipe after, use after directly encapsulating, entered to lack encapsulation link, thus decrease overall cost.
2, photovoltaic and photo-thermal integrated application can be realized by the design of integration, improve the application efficiency of solar energy whole, reduce the cost of Application of Solar Energy;
3, by a device, achieve photovoltaic and photo-thermal collection, achieve the design of the integration of photovoltaic and photo-thermal, decrease cost.
Accompanying drawing explanation
Figure mono-: siphunculus solar photoelectric converter;
Figure bis-: hot pipe solar photovoltaic converter;
Figure tri-: hexagon siphunculus photovoltaic converter;
Figure tetra-: semicircle photovoltaic converter.
Number in the figure is described as follows:
1: siphunculus device, 2: exchange piece, 3: solar photoelectric conversion coating, 4: connected mode, 5: entrance point, 6: the port of export, 7: external cavity, 8: solar energy lens, 9: solar energy reflection mirror, 10: insulation material.
Embodiment
Embodiment one: siphunculus solar photoelectric converter
Shown in Fig. 1, siphunculus device is a cylindrical pipe member (1), solar energy electrocoat (3) on the cavity of cylinder inside is processed, siphunculus is the white glass material that light transmission is good, and solar energy is irradiated to inner coating through white glass thus solar energy is converted to electric energy.
Device directly can be used, also can arrange a kind of fluid by openend (5) and entrance point, the thermal energy transfer of siphunculus inside to outside, realizes controlling the temperature of device and the collection of heat energy by fluid.
Embodiment two: hot pipe solar photovoltaic converter
Shown in Fig. 2, siphunculus device is cylindrical pipe member (1), it is monocrystalline silicon that the internal cavity of cylindrical pipe member is processed solar energy electrocoat (3), and siphunculus is the plastics that light transmission is good, and solar energy is irradiated to inner coating through plastics thus solar energy is converted to electric energy.
The evaporation ends (2) of heat pipe is arranged on the inside cavity of siphunculus device, and heat pipe is connected with siphunculus device by syndeton (4), and condensation end is arranged on the outside of siphunculus; For the application of low temperature, the solar energy acquisition of non-tracking can be adopted, for the application of middle temperature, the solar energy acquisition of groove type line-focusing can be adopted, for the application of high temperature, butterfly or tower solar energy tracking technology can be adopted; Like this for the working temperature of any needs, siphunculus device can be adopted to realize solar energy and to be converted to electric energy, the control of sampling Heat Pipes temperature and the collection of heat energy, thus the comprehensive utilization of photoelectricity and photo-thermal can be realized.
Embodiment three: hexagon siphunculus photovoltaic converter
Shown in Fig. 3, in the outside of cylindrical siphunculus device (1), promising hex outer cavity (7) is also set, the sunlight incidence position of siphunculus device is provided with solar energy lens (8), heat exchanger (2) on siphunculus device is stainless cylinder device, the cavity of siphunculus device is provided with the coating that solar energy is converted to electric energy, the characteristic of the silicon layer on glass substrate is p+ layer: 10 μm ~ 40 μm thick, resistivity 2 ~ 3 × 10-8 ohmcm; P layer: 8 μm ~ 10 μm, resistivity: 0.2 ~ 2 ohmcm; N+ layer: 0.2 μm ~ 0.4 μm thick, resistivity 1 ~ 2 × 10-3 ohmcm; Glass substrate is divided into multiple regions of 3cm × 3cm.
Exchange piece is arranged on the inside of siphunculus device, and on exchange piece, be provided with import (5) and outlet (5), fluid enters from import simultaneously, flows out from outlet; For the application of low temperature, the solar energy acquisition of non-tracking can be adopted, for the application of middle temperature, the solar energy acquisition of groove type line-focusing can be adopted, for the application of high temperature, butterfly or tower solar energy tracking technology can be adopted; But no matter which kind of is applied, and by the heat exchange effect of fluid, remains and the temperature of solar photovoltaic conversion coating is controlled below 60 degree.The comprehensive utilization of photovoltaic and photo-thermal can be realized like this.
Embodiment four: hexagon siphunculus photovoltaic converter
According to Figure 4 shows that side cross-sectional view, siphunculus device (1) is arranged on the inside of the semicircle device of a larger metal, metal semicircle device is provided with solar energy lens (8), solar energy can be made to incide in cavity (7), solar energy reflection mirror (9) is had in inside cavity and siphunculus device outer setting, adopt the reflection of tinfoil paper realization to radiation, when being particularly the solar energy acquisition realizing high temperature, need to reflect process especially for radiation heat transfer; The position that the sunlight of siphunculus device can not irradiate is provided with insulation material (10), inner heat exchanger (2) is a heat pipe, the evaporation ends of heat pipe is arranged on the inside of siphunculus device, condensation end is arranged on the outside of hot pipe device, the coating (3) that solar energy is converted to electric energy is arranged on the external shell of siphunculus device, and hot pipe device is connected by syndeton (4) with siphunculus device.
For the application of low temperature, the solar energy acquisition of non-tracking can be adopted, for the application of middle temperature, the solar energy acquisition of groove type line-focusing can be adopted, for the application of high temperature, butterfly or tower solar energy tracking technology can be adopted; This structure is particularly suitable for solar energy acquisition that is tower and butterfly, and the Solar use for high temperature has more standby high efficiency and low cost; Like this for the working temperature of any needs, the photovoltaic of solar energy and the collection of photo-thermal and utilization can be realized.
Claims (5)
1. a solar straight-tube photoelectric converter, it is characterized in that: at least comprise a printing opacity siphunculus device, printing opacity siphunculus device is provided with solar photovoltaic conversion coating, converts solar energy into electrical energy, described printing opacity siphunculus device is provided with the wire installation for electric energy transmitting;
Printing opacity siphunculus device is a cavity being at least provided with import and outlet, the shape of cavity be cylinder, spherical, oval, polyhedral one or more, or the cavity of at least one end opening that cavity rotates along an axis;
Solar photovoltaic conversion coating selects following at least one:
A, monocrystalline silicon coating;
B, polysilicon coating;
C, amorphous silicon membrane coating;
D, polycrystal silicon film coating;
Also be provided with in the inside of printing opacity siphunculus device and/or outside exchange piece and/or heat exchanging fluid wherein exchange piece select from following one:
A, metal, nonmetal, metal and non-metal composite pipe part;
The evaporation ends of B, heat pipe;
The processing of solar photovoltaic conversion coating in the inside of printing opacity siphunculus device and/or outside at least partially on the surface, process the region can irradiated at sunlight;
The connected mode of heat exchanger and printing opacity siphunculus device adopts following one:
A, transition material connect, and comprise the transition material of kovar alloy, metal or pottery;
B, inner or outer bellows connect;
C, to be nonmetally flexible coupling, to comprise and adopt rubber cushion rubber, sealing gasket, silica gel ring, cork.
2. a kind of solar straight-tube photoelectric converter according to claim 1, it is characterized in that: described solar photovoltaic conversion coating is divided into multiple region, it is an independently solar energy conversion coating unit in each region, each unit is provided with both positive and negative polarity electric lead, the both positive and negative polarity of multiple unit is interconnected, the solar photoelectric converter of Component units.
3. a kind of solar straight-tube photoelectric converter according to claim 1, is characterized in that: after vacuumizing or fill inert gas, protective gas, is undertaken airtight by openend, airtight place can make wire or heat exchanger pass.
4. a kind of solar straight-tube photoelectric converter according to claim 1 or 2 or 3, it is characterized in that: printing opacity siphunculus device exterior, between printing opacity siphunculus device and exchange piece or/and have solar energy mirror in the outer setting of printing opacity siphunculus device, carried out by sunlight reflecting, transmission, focus on siphunculus after refraction, solar energy mirror is selected from following one or its combination:
A, composite parabolic speculum;
B, Fresnel mirror, comprise lens or speculum;
C, concave, convex lens;
D, disc type parabolic reflector;
E, post, channel-shaped parabolic reflector;
F, plane mirror;
G, the material reflected thermal radiation, comprise tinfoil paper.
5. a kind of solar straight-tube photoelectric converter according to claim 1 or 2 or 3, it is characterized in that: on the position that the sunlight of printing opacity siphunculus device or exchange piece can not be irradiated to, be still provided with insulation material, at least selecting one or more combined material following:
A, metal containing vacuum layer or nonmetallic materials;
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl materials, plastics, nylon insulation material;
E, thermal insulation coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910302736.3A CN101902168B (en) | 2009-05-29 | 2009-05-29 | A kind of solar straight-tube photoelectric converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910302736.3A CN101902168B (en) | 2009-05-29 | 2009-05-29 | A kind of solar straight-tube photoelectric converter |
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| CN101902168A CN101902168A (en) | 2010-12-01 |
| CN101902168B true CN101902168B (en) | 2016-01-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913330A (en) * | 2006-08-10 | 2007-02-14 | 上海交通大学 | Sunlight electric thermal energy converter |
| GB2440366A (en) * | 2006-07-22 | 2008-01-30 | Spencer William Jansen | Solar cell formed on an optical fibre |
| CN101902159A (en) * | 2009-05-28 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar through pipe photoelectric and photo-thermal conversion device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3835261B2 (en) * | 2001-11-21 | 2006-10-18 | コニカミノルタホールディングス株式会社 | Method for forming functional thin film, functional thin film laminate, optical film, and image display element |
| US20100326429A1 (en) * | 2006-05-19 | 2010-12-30 | Cumpston Brian H | Hermetically sealed cylindrical solar cells |
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2009
- 2009-05-29 CN CN200910302736.3A patent/CN101902168B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2440366A (en) * | 2006-07-22 | 2008-01-30 | Spencer William Jansen | Solar cell formed on an optical fibre |
| CN1913330A (en) * | 2006-08-10 | 2007-02-14 | 上海交通大学 | Sunlight electric thermal energy converter |
| CN101902159A (en) * | 2009-05-28 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar through pipe photoelectric and photo-thermal conversion device |
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