CN113992146A - Solar spectrum frequency division and residual light convergence reradiation coupled light energy cascade power generation device and system - Google Patents
Solar spectrum frequency division and residual light convergence reradiation coupled light energy cascade power generation device and system Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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- H02S40/22—Light-reflecting or light-concentrating means
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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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Abstract
The invention discloses a solar energy cascade power generation device and system for solar spectrum frequency division and residual light convergence and re-radiation coupling. The structural absorber of the outer square column and the inner cylindrical cavity is specially designed to absorb the long-wave radiation after frequency division. The outer wall surface of the structural absorber is a radiator, and secondary photovoltaic cells are arranged around the structural absorber. The whole system is formed by periodically arranging a plurality of devices, a periodic support is used for supporting, the gradient conversion power generation of solar energy is realized through solar radiation spectrum frequency division and residual light spectrum readjustment, and meanwhile, the loss of the whole system in the light condensation process is reduced by using a design method of frequency division before light condensation. The whole system conforms to the energy cascade utilization principle and has important application value.
Description
Technical Field
The invention belongs to the technical field of solar energy utilization, and particularly relates to a solar energy cascade power generation device and system with solar spectrum frequency division and residual light convergence and reradiation coupling.
Background
With the increase of global energy consumption, CO is generated2The typical greenhouse gas emission causes climate change, and threatens the sustainable development of human society. At present, various countries in the world propose respective carbon reduction plans. Solar energy is used as an important clean energy source, and has rich resources and no pollution.
Solar power generation mainly comprises photovoltaic and photothermal modes. Since the photovoltaic cell mainly responds to radiation in the visible and near infrared bands, there is a problem that the solar radiation spectrum does not match the photovoltaic cell response band. A large amount of non-convertible long-wave radiation is wasted, limiting the efficiency of solar photovoltaic conversion. For solar photo-thermal conversion, a higher heat collection temperature is required to improve the heat-power conversion efficiency, and meanwhile, energy waste can be caused by high-temperature irreversible loss in the light collection and heat collection process. Therefore, based on the thermodynamic principle, the gradient order conversion of solar energy is realized from the perspective of energy quality matching, and the method is a core and key problem for realizing the efficient utilization of solar energy.
Disclosure of Invention
The invention aims to provide a light energy cascade power generation device and system for solar spectrum frequency division and residual light convergence and reradiation coupling. The invention utilizes the components such as the frequency division filter, the primary photovoltaic cell, the reflector and the like to realize the secondary frequency division of the solar spectrum. The light energy cascade power generation system is formed by utilizing the components of a condenser, a structural absorber, a re-radiator, a secondary photovoltaic cell and the like to converge residual light and re-radiate photovoltaic power generation. The solar energy cascade power generation system with the solar spectrum frequency division and the residual light convergence and radiation coupling adopts the design of firstly dividing the solar spectrum and then condensing and utilizing the residual light, and compared with the design scheme of firstly condensing and then dividing the light, the radiation energy loss in the condensing process can be reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention firstly provides a solar energy cascade power generation device with solar spectrum frequency division and residual light convergence and reradiation coupling, which comprises a frequency division filter, a primary photovoltaic cell, a reflector, a condenser, a structural absorber, a reradiator, a secondary photovoltaic cell, a photovoltaic fixed support, an absorber fixed support and a device support;
the frequency division filter and the primary photovoltaic cell form a primary photovoltaic power generation unit frequency division filter which transmits and matches spectral radiation of the primary photovoltaic cell and reflects long-wave spectral radiation which cannot be utilized by the primary photovoltaic cell; the frequency division filter is arranged above the first-stage photovoltaic cell in parallel;
the reflector reflects the long-wave spectral radiation subjected to frequency division by the frequency division filter to the condenser;
the condenser, the structural absorber, the re-radiator and the secondary photovoltaic cell form a secondary photovoltaic power generation unit, the radiation converged by the condenser is absorbed by the structural absorber, so that the temperature of the structural absorber is raised, and the re-radiator further emits corresponding spectrum to enable the secondary photovoltaic cell to generate power;
the photovoltaic fixed support, the absorber fixed support and the device strut form a support system; the photovoltaic fixing support is used for fixing the frequency division filter, the primary photovoltaic cell and the reflector; the absorber fixing support is connected with the device strut and used for fixing the structural absorber, and the top of the device strut is connected with the photovoltaic fixing support to fix the photovoltaic fixing support.
The device adopts the design of firstly dividing the frequency of the full spectrum of the sunlight and then condensing the residual light, thereby reducing the energy loss in the full spectrum condensing process.
Preferably, the primary photovoltaic cell, the frequency division filter and the vertical incident light path are arranged at 45 degrees (at 45 degrees to the ground), so that the incident light path and the reflection light path are at a substantially right angle; the frequency division filter adopts selective transmission glass, transmits short-wave radiation of 300-900nm and reflects the rest of spectrum, and the primary photovoltaic cell adopts a silicon cell.
As a preferable scheme of the invention, the reflector adopts a silver-plated film total reflection mirror surface which is fixed on the back of the photovoltaic fixed support.
As a preferable scheme of the invention, the condenser adopts a groove type parabolic condenser which is positioned below the structural absorber; the structural absorber is a cavity type structural absorber with a square outside and an inner circle, the whole appearance of the structural absorber is a cuboid, a small groove is formed in the downward surface of the structural absorber, and the small groove is located at the focus of the condenser and used for absorbing condensing radiation; the cuboid is internally provided with a cylindrical cavity, the cavity structure is made of materials such as copper or aluminum alloy, and the inner wall surface of the cavity of the cylindrical cavity is coated with a high-temperature black body radiation coating.
As a preferable scheme of the invention, the re-radiator uses a silicon carbide coating, and the secondary photovoltaic cell can adopt a silicon cell so as to reduce the cost; or the spectral response waveband of the gallium antimonide battery is below 1800nm, so that the efficiency can be improved. And the surface of the secondary photovoltaic cell facing the re-radiator is provided with a film type infrared filter layer.
As a preferred scheme of the invention, the photovoltaic fixed support is arranged at an angle of 45 degrees with the ground, the side surface of the photovoltaic fixed support is in an inclined I shape, a primary photovoltaic cell and a frequency division filter are arranged on the upward surface of the photovoltaic fixed support, and a reflector of the same optical energy cascade power generation device is arranged on the back surface of the other photovoltaic fixed support adjacent to the photovoltaic fixed support in the radiation direction of the reflected spectrum; the lower end of the photovoltaic fixed support is welded and fixed with the device strut; the absorber fixing support is connected with the absorber and the device support, and the absorber support is arranged around the absorber in a design mode and used for fixing the secondary photovoltaic cell. The device support can be fixed on the ground or a building.
As a preferable scheme of the invention, the bracket system is made of an aluminum alloy material; the support system is internally provided with a cavity which is designed as a heat dissipation channel, and water can be introduced to serve as a cooling medium so as to dissipate heat of the photovoltaic cell.
The invention also discloses a solar energy cascade power generation system with solar spectrum double frequency division and waste light convergence reradiation coupling, which comprises the above light energy cascade power generation devices, wherein the light energy cascade power generation devices are arranged in close proximity with each other periodically without gaps, two adjacent light energy cascade power generation devices share a photovoltaic fixed support, namely, a first-stage photovoltaic cell and a frequency division filter of one light energy cascade power generation device are arranged on the upward surface of the photovoltaic fixed support, and a reflector of the other light energy cascade power generation device is arranged on the back surface of the photovoltaic fixed support.
Furthermore, two adjacent light energy cascade power generation devices share the device support.
The main advantages of the invention are:
the cascade sequential conversion of the solar radiation energy is realized through frequency division, and the thermodynamic principle is basically met. And carrying out residual light convergence on the long-wave band low-grade residual light after frequency division through a condenser, and specially designing an inner square and outer circle cavity type absorber to absorb the long-wave band low-grade residual light after frequency division as much as possible. The outer wall surface of the structural absorber is radiated and readjusted through the radiator after being heated, and secondary photovoltaic power generation is realized. The invention does not introduce traditional heat energy conversion technologies such as thermodynamic cycle and the like, can effectively reduce the volume of the system, realizes the output of direct current, and can be conveniently connected with devices such as an energy storage battery and the like.
The system adopts the design of firstly dividing the frequency of the full spectrum of the sunlight and then condensing the residual light, thereby reducing the energy loss in the full spectrum condensing process. Meanwhile, after the frequency division is carried out, the light-gathering design is used for the secondary photovoltaic power generation unit, and the structured absorber can effectively reduce the area of the secondary low-forbidden-band photovoltaic cell, so that the system cost is effectively reduced.
The residual light energy after frequency division is small, and the temperature generated after light condensation and heat collection is low, so that a square structural absorber can be designed, and photovoltaic cells are arranged on the periphery of the absorber. The condensing temperature of the system does not exceed 1000 ℃, so that the radiation heat loss of the absorber is reduced, and the irreversible loss in the condensing and heat collecting process is reduced. The secondary photovoltaic system can use a silicon battery to reduce the cost, can also use a gallium antimonide (GaSb) battery with a longer flap band, and can respond to radiation below 1800nm so as to more effectively utilize heat radiation energy generated after waste light is condensed. The whole system conforms to the principle of orderly energy release in the aspect of thermodynamics.
The system is formed by periodically arranging the light energy cascade power generation device units, and the photovoltaic cells and the reflectors of the adjacent device units arranged on the front and back surfaces of the photovoltaic bracket can realize the complementation of light paths, thereby forming a complete light path. The periodically arranged devices can realize gapless utilization of sunlight in a larger area.
Drawings
FIG. 1 is a solar energy cascade power generation system with solar spectrum double frequency division and residual light convergence re-radiation coupling;
in the figure: the device comprises a 1-frequency division filter, 2 first-stage photovoltaic cells, a 3-mirror, 4-condenser, a 5-structure absorber, 6-reradiator, 7 second-stage photovoltaic cells, 8 device supports, 9 photovoltaic fixed supports and 10 absorber fixed supports. 001 solar radiation optical path, 002 frequency division reflection radiation optical path.
FIG. 2 is a structural concentrating reradiating photovoltaic cell embodiment;
FIG. 3 is a periodic array arrangement of spectral frequency division and afterglow condensing and reradiating coupled light energy cascade power generation devices.
Detailed Description
The structural principle and the working principle of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not the whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the solar energy cascade power generation device with solar spectrum frequency division and residual light convergence and reradiation coupling comprises a frequency division filter 1, a primary photovoltaic cell 2, a reflector 3, a groove type condenser 4, a structural absorber 5, a reradiator 6 and a secondary photovoltaic cell 7 which are sequentially arranged along a solar radiation light path, and further comprises a device support 8, a photovoltaic fixed support 9, an absorber fixed support 10 and other components which are used as a supporting system.
The frequency division filter 1 and the primary photovoltaic cell 2 form a primary photovoltaic power generation unit, the frequency division filter 1 transmits and matches spectral radiation of the primary photovoltaic cell 2, and reflects long-wavelength spectral radiation. The crossover filter 1 is arranged in parallel above the primary photovoltaic cell 2. First-order photovoltaic cell 1 and crossover filter 2 are 45 degrees angular arrangements with vertical incident solar radiation light path 001, are 45 degrees angles with ground simultaneously for incident light path 001 is the right angle with reflection light path 002 basically. The frequency division filter 1 preferentially adopts selective transmission glass, transmits short-wave radiation of 300-900nm, simultaneously reflects solar radiation of other wave bands, and has the advantage of low cost, and the primary photovoltaic cell 2 adopts a silicon cell and can respond to solar radiation below 1000 nm.
The mirror 3 reflects the divided long-wavelength spectral radiation again onto the condenser 4. Preferably, the reflector 3 is a silver-plated film total reflection mirror surface, and is fixed on the back of the photovoltaic fixing support 9.
The condenser 4, the structural absorber 5, the re-radiator 6 and the secondary photovoltaic cell 7 form a secondary photovoltaic power generation unit. The condenser 4 is arranged below the structural absorber 5, the radiator 6 is arranged on the outer surface of the structural absorber 5 in a clinging mode, and the secondary photovoltaic cell 7 is arranged opposite to the radiator 6, namely arranged on the periphery of the radiator 6. The radiation collected by the condenser 4 is absorbed by the structural absorber 5, so that the temperature of the structural absorber 5 is increased, and further the corresponding spectrum is emitted by the re-radiator 6, so that the secondary photovoltaic cell 7 generates electricity. The condenser 4 of the device adopts a groove type paraboloid condenser. The structural absorber 5 is specially designed as a cavity-type structural absorber with an outer square and an inner circle, as shown in fig. 2. The whole shape of the condenser is a cuboid, one surface of the condenser opposite to the condenser is provided with a small groove, and the small groove is positioned at the focus of the condenser and used for absorbing condensing radiation. The interior of the structural absorber 5 is a cylindrical cavity, and the structure of the cavity absorber preferentially uses copper or aluminum alloy and other materials. The inner wall surface of the cavity is coated with a high-temperature black body radiation coating, and the absorption of the long-wave band spectral radiation after frequency division is maximized. Due to the frequency division design, the temperature of the cavity absorber can be below 1000 ℃, and the radiation loss can be reduced.
The outer wall surface of the absorber cavity is provided with a re-radiator 6, the re-radiator 6 preferentially uses a silicon carbide coating, and the re-radiator has the characteristics of high temperature resistance and similar blackbody radiation. The secondary photovoltaic cell 7 can adopt a silicon cell, so that the cost can be obviously reduced; or the gallium antimonide battery is used, the spectral response waveband of the battery is below 1800nm, and the efficiency of the system can be improved. Preferably, the surface of the secondary photovoltaic cell 7 facing the re-radiator is provided with a thin film infrared filter layer, which may be Si/SiO2The composite multilayer structure can transmit near infrared radiation in the range of 800nm-1800nm and reflect infrared radiation higher than 1800nm, and the filtering wave band is moderate, thereby being beneficial to the processing and manufacturing of the optical filter. Due to the effect of frequency division condensation, the areas of the absorber 5 and the secondary photovoltaic cell 7 are obviously reduced, so that the cost can be reduced to a certain extent.
The device support 8, the photovoltaic fixing support 9, the absorber fixing support 10 and the like form a support system. The photovoltaic fixed support 9 is arranged at an angle of 45 degrees with the ground, the side surface of the photovoltaic fixed support is in an inclined I shape, the primary photovoltaic cell 2 and the frequency division filter 1 are arranged on the upward surface of the photovoltaic fixed support, and the reflector 3 of the adjacent light energy step power generation device is arranged on the back surface of the photovoltaic fixed support. The lower end of which is welded and fixed with the device strut 8. The absorber fixing bracket 10 is connected with the absorber 5 and the device strut 8; meanwhile, as shown in fig. 2, an absorber fixing bracket 10 is disposed around the absorber 5 design for fixing the secondary photovoltaic cell 7.
The bracket system is made of aluminum alloy materials. The support system is internally provided with a cavity which is designed as a heat dissipation channel, and water can be introduced to serve as a cooling medium, so that heat dissipation is performed on all photovoltaic cells in the whole system.
As shown in fig. 3, the devices may also be arranged periodically to form a light energy cascade generating system. The system comprises a plurality of the light energy cascade power generation devices, wherein the light energy cascade power generation devices are arranged in close proximity in a periodic gapless manner, two adjacent light energy cascade power generation devices share a photovoltaic fixing support, namely, a first-stage photovoltaic cell and a frequency division filter of one light energy cascade power generation device are arranged on the upward surface of the photovoltaic fixing support, and a reflector of the other light energy cascade power generation device is arranged on the back surface of the photovoltaic fixing support. The photovoltaic cells and the reflectors arranged on the front surface and the back surface of the photovoltaic support can realize complementation to form a complete light path. The periodically arranged devices can realize gapless utilization of sunlight in a larger area. The space layout planning is reasonable and feasible.
The solar spectrum double-frequency-division and residual light convergence and re-radiation coupled light energy cascade power generation system established by the invention particularly adopts the design of firstly frequency-dividing the full spectrum of the sunlight and then carrying out light condensation and utilization on the residual light. Compared with a design scheme of first condensing and then dividing frequency, the method can reduce radiation energy loss in the condensing process. The specific working process of the whole system is as follows:
The whole system utilizes components such as a frequency division filter, a primary photovoltaic cell, a reflector and the like to realize solar spectrum frequency division. The components such as a condenser, a re-radiator, a secondary photovoltaic cell and the like are utilized to form residual light convergence re-radiation photovoltaic power generation. Therefore, a light energy cascade power generation system is formed, and the principle of thermodynamic energy ordered release is fundamentally met.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A solar energy spectrum frequency division and residual light convergence reradiation coupled light energy cascade power generation device is characterized by comprising a frequency division filter, a primary photovoltaic cell, a reflector, a condenser, a structural absorber, a reradiator, a secondary photovoltaic cell, a photovoltaic fixed support, an absorber fixed support and a device support;
the frequency division filter and the primary photovoltaic cell form a primary photovoltaic power generation unit, the frequency division filter transmits and matches spectral radiation of the primary photovoltaic cell, and reflects long-wave spectral radiation which cannot be utilized by the primary photovoltaic cell; the frequency division filter is arranged above the first-stage photovoltaic cell in parallel;
the reflector reflects the long-wave spectral radiation subjected to frequency division by the frequency division filter to the condenser;
the condenser, the structural absorber, the re-radiator and the secondary photovoltaic cell form a secondary photovoltaic power generation unit, the radiation converged by the condenser is absorbed by the structural absorber, so that the temperature of the structural absorber is raised, and the re-radiator further emits corresponding spectrum to enable the secondary photovoltaic cell to generate power;
the photovoltaic fixed support, the absorber fixed support and the device strut form a support system; the photovoltaic fixing support is used for fixing the frequency division filter, the primary photovoltaic cell and the reflector; the absorber fixing support is connected with the device strut and used for fixing the structural absorber, and the top of the device strut is connected with the photovoltaic fixing support to fix the photovoltaic fixing support.
2. The solar energy cascade power generation device coupled with solar spectrum frequency division and afterglow convergence and reradiation as claimed in claim 1, wherein: the primary photovoltaic cell, the frequency division filter and the vertical incident light path are arranged at 45 degrees, so that the incident light path and the reflection light path form a right angle basically; the frequency division filter adopts selective transmission glass, transmits short-wave radiation of 300-900nm and reflects the rest of spectrum, and the primary photovoltaic cell adopts a silicon cell.
3. The solar energy cascade power generation device coupled with solar spectrum frequency division and afterglow convergence and reradiation as claimed in claim 1, wherein: the reflector adopts a silver-plated film total reflection mirror surface which is fixed on the back of the photovoltaic fixed support.
4. The solar energy cascade power generation device coupled with solar spectrum frequency division and afterglow convergence and reradiation as claimed in claim 1, wherein: the condenser adopts a groove type paraboloid condenser which is positioned below the structural absorber; the structural absorber is a cavity type structural absorber with a square outside and an inner circle, the whole appearance of the structural absorber is a cuboid, a small groove is formed in the downward surface of the structural absorber, and the small groove is located at the focus of the condenser and used for absorbing condensing radiation; the cuboid is internally provided with a cylindrical cavity, the cavity structure is made of copper or aluminum alloy, and the inner wall surface of the cavity of the cylindrical cavity is coated with a high-temperature black body radiation coating.
5. The solar energy cascade power generation device coupled with solar spectrum frequency division and afterglow convergence and reradiation as claimed in claim 1, wherein: the re-radiator uses a silicon carbide coating, the secondary photovoltaic cell can adopt a silicon or gallium antimonide cell, and the surface of the secondary photovoltaic cell, which faces the re-radiator, is provided with a thin film type infrared filter layer.
6. The stepped solar power generation device coupled with solar spectrum frequency division and residual light convergence and reradiation as claimed in claim 1, wherein the photovoltaic fixed support is arranged at 45 degrees to the ground, the side surface is in an inclined I shape, a primary photovoltaic cell and a frequency division filter are arranged on the upward surface, and a reflector of the same stepped solar power generation device is arranged on the back surface of another photovoltaic fixed support adjacent to the reflecting spectrum radiation direction; the lower end of the photovoltaic fixed support is welded and fixed with the device strut; the absorber fixing support is connected with the absorber and the device support, and the absorber support is arranged around the absorber in a design mode and used for fixing the secondary photovoltaic cell.
7. The stepped solar power generator with coupled solar spectral frequency division and afterglow converging and reradiating as claimed in claim 1, wherein said support system is made of aluminum alloy material; the support system is internally provided with a cavity which is designed as a heat dissipation channel, and water can be introduced to serve as a cooling medium so as to dissipate heat of the photovoltaic cell.
8. A solar energy cascade power generation system with solar spectrum frequency division and waste light convergence reradiation coupling, which is characterized in that the system comprises a plurality of the light energy cascade power generation devices as claimed in any one of claims 1 to 7, the light energy cascade power generation devices are arranged in close proximity with each other in a periodic gapless manner, wherein two adjacent light energy cascade power generation devices share a photovoltaic fixing support, namely, a first-stage photovoltaic cell and a frequency division filter of one light energy cascade power generation device are arranged on the upward side of the photovoltaic fixing support, and a reflector of the other light energy cascade power generation device is arranged on the back side of the photovoltaic fixing support.
9. The stepped solar power generation system coupled with solar spectral frequency division and afterglow condensing and reradiating of claim 8, wherein two adjacent stepped solar power generation devices share a device support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292711.7A CN113992146B (en) | 2021-11-03 | Solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292711.7A CN113992146B (en) | 2021-11-03 | Solar spectrum frequency division and residual light converging and re-radiating coupling light energy step power generation device and system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030213514A1 (en) * | 2002-05-17 | 2003-11-20 | Ugur Ortabasi | Concentrating photovoltaic cavity converters for extreme solar-to-electric conversion efficiencies |
| CN101478014A (en) * | 2008-12-01 | 2009-07-08 | 苏州纳米技术与纳米仿生研究所 | Light splitting manufacturing process for five-junction solar cell system |
| CN103888051A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Holographic light condensing and splitting solar power generation module |
| US20160005908A1 (en) * | 2014-07-07 | 2016-01-07 | King Fahd University Of Petroleum And Minerals | Beam splitting of solar light by reflective filters |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN207869021U (en) * | 2018-01-25 | 2018-09-14 | 青岛中科麦特新能源有限公司 | A kind of photovoltaic/photo device |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030213514A1 (en) * | 2002-05-17 | 2003-11-20 | Ugur Ortabasi | Concentrating photovoltaic cavity converters for extreme solar-to-electric conversion efficiencies |
| CN101478014A (en) * | 2008-12-01 | 2009-07-08 | 苏州纳米技术与纳米仿生研究所 | Light splitting manufacturing process for five-junction solar cell system |
| CN103888051A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Holographic light condensing and splitting solar power generation module |
| US20160005908A1 (en) * | 2014-07-07 | 2016-01-07 | King Fahd University Of Petroleum And Minerals | Beam splitting of solar light by reflective filters |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN207869021U (en) * | 2018-01-25 | 2018-09-14 | 青岛中科麦特新能源有限公司 | A kind of photovoltaic/photo device |
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