WO1996024954A1 - Puits thermique et corps de concentrateur d'energie solaire sans dispositif de poursuite - Google Patents

Puits thermique et corps de concentrateur d'energie solaire sans dispositif de poursuite Download PDF

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Publication number
WO1996024954A1
WO1996024954A1 PCT/US1995/001622 US9501622W WO9624954A1 WO 1996024954 A1 WO1996024954 A1 WO 1996024954A1 US 9501622 W US9501622 W US 9501622W WO 9624954 A1 WO9624954 A1 WO 9624954A1
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WO
WIPO (PCT)
Prior art keywords
solar
concentrator
tracking
walls
base
Prior art date
Application number
PCT/US1995/001622
Other languages
English (en)
Inventor
Christopher P. Kinkaid
Original Assignee
Solardyne Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solardyne Corporation filed Critical Solardyne Corporation
Priority to PCT/US1995/001622 priority Critical patent/WO1996024954A1/fr
Priority to AU18729/95A priority patent/AU1872995A/en
Publication of WO1996024954A1 publication Critical patent/WO1996024954A1/fr

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • 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
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • 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

Definitions

  • the present invention relates to solar cell concentrator assemblies and, more particularly, to improved structures for the capture of solar radiation in such assemblies.
  • V-shaped troughs as the collection device including U.S. Patent Nos. 3,232,795 to Gillette; 4,099,515 to Schertz; 4,789,408 to Fitzsimmons; 3,350,234 to Ule; 4,217,881 to Brent; and 4,295,463 to Citron.
  • existing V-shaped trough solar collectors present a number of problems. First, most of these solar collectors require tracking devices to track the solar radiation in order to ensure operation of the solar collectors over a longer time period during the day thereby generating a sufficient amount of energy to make the solar collectors energy efficient.
  • Yet another object of the present invention is to provide a V-shaped trough solar concentrator fabricated in such a way as to not require additional hardware or materials for its heat sink.
  • Still another object of the present invention is to provide for a V-shaped trough solar concentrator which can incorporate the functions of a solar reflector, heat sink, and receiver housing in a single element structure.
  • Yet another object of the present invention is to provide for a single element V-shaped trough solar concentrator.
  • Still another object of the present invention is to provide for a V-shaped trough solar concentrator in which irradiated receivers can accomplish different functions such as photothermal and photochemical operations interchangeably.
  • a further object of this invention is to provide a solar concentrator having improved convective cooling characteristics due to enhanced air flow around and through the unit. Another object is to provide a solar concentrator having optimized wall shape such that improved reflection of incident light onto receiving cells occurs. Another object is to provide for an improved solar concentrator which has a reflective coating disposed above the solar receiving cells which is transmissive for photons above, but reflective for photons below the bandgap of the receiving cells.
  • a single element non-tracking solar concentrator heat sink and housing for holding solar receivers comprising at least one sheet of solar reflective material structured so as to form at least one V-shaped trough, each of the at least one V-shaped troughs having two walls and a base, the base having two sides, each wall having an upper edge and a lower edge.
  • Each trough has a base positioned between the lower edges of the two walls of the at least one trough.
  • a solar receiver housing area is located on one side of the base.
  • the at least two walls and the base may be formed of a heat conducting material which allows the concentrator to act as a heat sink. At least a portion of the joined at least two walls and base may be in contact with a structural member.
  • the heat conducting material is aluminum.
  • each of the at least one V-shaped trough's base and walls are joined at an angle of 115°-120°.
  • the concentrator is formed of only one sheet of solar reflective material so that the concentrator can be formed with a single element.
  • Figure 1 is a perspective view of a non-tracking solar concentrator of the present invention
  • Figure 2 is a partially exploded side view of the non-tracking solar concentrator of the present invention.
  • FIG. 3 is a top view of one embodiment of the solar concentrator of the present invention.
  • Figure 4 is a diagram of the present invention operating as a heat sink.
  • Figure 5 is a diagram illustrating the wider angle of acceptance achieved with the non-tracking solar concentrator of the present invention.
  • Figure 6 is an alternative embodiment of the non-tracking solar concentrator of the present invention.
  • Figure 7A is another embodiment of the non-tracking solar concentrator showing the dual function drain hole ⁇ convection cooling mechanism.
  • Figure 7B is another embodiment of the non-tracking solar concentrator showing the dual function drain hole ⁇ convection cooling mechanism, also showing faceted walls.
  • Figure 8 is a side view showing modular extension of the non-tracking solar concentrator via overlap of units.
  • Figure 9A is a detailed sectional view of a preferred embodiment of the non- tracking solar concentrator showing segments, the facets of which are bent to enhance solar concentration.
  • Figure 9B is a detailed elevational view of a preferred embodiment of the non- tracking solar concentrator showing segments, the facets of which are bent to enhance solar concentration.
  • FIG. 10 is a detailed view of one preferred embodiment for the solar receiver element.
  • the solar concentrator 10 of the present invention is comprised of at least one sheet 11 of solar reflective material structured so as to form at least one V-shaped trough 12.
  • Each of the at least one V-shaped troughs 12 has two walls 13 and a base 14.
  • FIG 2 another view of the solar concentrator 10 of the present invention is shown.
  • the preferably single sheet 11 of reflective material is shown shaped into V-shaped troughs 12.
  • the at least one sheet 11 is formed of aluminum.
  • the preferred material is the EverbriteTM material manufactured by Alcoa Aluminum Corporation. If aluminum is used, the single element solar concentrator can be fully recycled, thereby providing an additional benefit of the instant invention.
  • the solar concentrator 10 of the present invention is capable of inexpensive and easy manufacture.
  • the solar concentrator assembly also exhibits a structural rigidity and strength which is desirable for the stresses of the environment in which a solar concentrator must operate. These stresses include chemical degradation by ultra-violet light, wind loading, hail bombardment, saline corrosion, and thermal cycling each day and night.
  • the high structural rigidity results from the reverse angle formed when two side walls 13 are joined at a seam for multiple sets of walls and bases. When the two side wall sections are formed with a bend, the reverse angle creates an inverse "roman arch" which dissipates stress and is extremely strong.
  • the solar receiving cells 16 are placed on one skid of the base 14 of the V-shaped trough 12.
  • the solar receivers 16 are placed on the side of the trough facing the incoming solar radiation 20.
  • the at least one sheet 11 is structured so as to create a fitted housing area 21 at the base of the V-shaped trough 12 to help position and secure the solar receiver 16. This can be accomplished by forming or bending the sheet to follow the dimensions of the solar receivers.
  • a top view of one embodiment of the concentrator 10 and the receivers 16 is seen in Figure 3.
  • the preferred method of securing the solar receiver 16 to the receiving trough 21 at the base of the V-shaped trough 12 is with a thermally conducting epoxy which is known in the art or with mechanical locks.
  • the receiver 16 can remain stable with respect to the reflecting walls 13 throughout operation thereby assuring more reliable operation of the solar concentrator.
  • the preferred dimensions for the walls, base, and solar receivers are walls— 5 1/2" x 48"; base— 4 5/16" x 48"; and receivers—4 4/16" x 40". These, of course, can be varied and scaled.
  • the single element concentrator is preferably made of a heat conducting material such as aluminum.
  • strut 18 which is preferably aluminum, which enhances the structural rigidity of the invention.
  • the thin high surface area of the at least one sheet 11 operates as a very effective heat sink conducting heat away from the solar receivers through both convection and radiative cooling as seen in Figure 4.
  • incident rays of solar radiation 20 contact the wall 13 of the concentrator 10 at points F.
  • the major reflected rays 20 ' are reflected into housing area 21.
  • the heat generated by the receiver(s) placed in area 21 is dissipated along a path of heat conduction G from the housing area 21 to the reflector walls 13 at a point or area H.
  • heat is conducted away from the concentrator 10 and solar receivers) both orthogonally (I) and radially (J) in an efficient manner.
  • heat is removed from the receivers by (1) conduction (heat transferring to reflecting walls of concentrator); (2) convention (ambient air or wind pulls heat off walls); and (3) radiation.
  • the concentrator is an efficient heat sink due to its large surface area and high thermal conductivity.
  • the preferred angle of the walls 13 with respect to the base 14 is 115°-120°. However, significant variations can be taken on this angle with a proportional reduction in the efficiency of the irradiation of the cells 16.
  • the 115° angle occurs between the base 14 and the lower edge 24 of the walls 13.
  • the upper edges 22 of the walls 13 serve as a transition between each V-shaped trough.
  • Typical available concentrators require one or two axis tracking hardware.
  • Static concentrators i.e., concentrators not using tracking hardware
  • Static concentrators typically have been unable to produce a concentrator which is isotropic in its irradiance characteristics and is also capable of receiving solar radiation from wide angles.
  • isotropic irradiance is achieved at wide angles without the need for tracking.
  • Tracking hardware moves the concentrator and solar cells with respect to the normal angle of the solar radiation. The instant invention accomplishes this by using an east-west orientation with the concentrator preferably facing south. At this normal angle, the concentrator remains non-moving during daily operation.
  • the instant invention can be adjusted during night operation allowing for a static non-moving orientation during daily operation.
  • the need for tracking hardware is also removed because of the concentrator's ability to obtain a wide angle of acceptance via the structure of the solar concentrator 10.
  • the concentrator 10 is constructed only with walls 13 and without any side walls which can block solar radiation and shade the solar receiver 10.
  • the concentrator 10 of the instant invention further achieves this wide acceptance angle by preferably ensuring that base 14 of the concentrator extends beyond the dimensions of the solar receiver 16.
  • FIG. 5 A schematic illustrating the benefit of this extension on the angle of acceptance can be seen in Figure 5.
  • the solar concentrator 10 can accept solar irradiance and irradiate the receivers isotropically between the hours of 9:00 a.m. and 3:00 p.m. If the distance e was not added to the walls 13 of the solar concentrator 10, the solar receiver 16 could accept solar irradiance only during a brief period of the day unless tracking hardware was included to move the concentrator with respect to the normal angle of the incoming solar radiation.
  • east-west orientation previously mostly abandoned by those of skill in the art because of the inability to obtain even irradiance of solar cells can now be employed, thus avoiding the problem of the limited acceptance angle without the addition of tracking hardware.
  • the walls 13 of the solar concentrators 10 can also be parabolic in nature. Additionally, a number of solar concentrators 10 can operate together most efficiently with a slight overlap of the concentrators 10, thereby allowing tight stacking of the concentrators in defined areas.
  • FIG 7 another embodiment of the non-tracking solar concentrator is shown having a plurality of apertures 25 disposed at intervals along the lower edge 24 of the walls 13.
  • These apertures have the dual function of providing drainage for water that might otherwise become trapped in the base 14 and of providing enhanced convective cooling for the cells 16.
  • the precise dimension and shape of these apertures is not critical so long as they do not disrupt the strength of the invention or conduction of heat to walls 13.
  • These apertures may also be placed at the upper edge 22 of the walls 13 to further increase convective cooling.
  • FIG 8 the modular extension of this invention via overlapping units is shown. This is accomplished simply by overlapping the walls 13 of the "V" shaped units. Alternatively, only the upper edges 22 of the walls 13 need to overlap. Structural rigidity is provided by affixing, for example by bolting, each module to the strut 18. Provision of the apertures increases convective cooling by allowing increased air flow around and through the unit.
  • Figure 9 a preferred embodiment of the invention is shown wherein the walls of the "V" are bent to optimize reflection of incident light 20 as reflected rays 20' onto the solar receiving cells 16.
  • the geometric concentration ratio is 2.24 (aperture:receiver). This yields, with a reflectance efficiency of 85%, an optical concentration of 1.78. Therefore, theoretical yield would be expected to be no higher than 78%, and the increase in power produced could not exceed 78%, (assuming a yield of 1 for an identical cell under 1 sun conditions).
  • the empirically measured increase in output is 70%, which demonstrates that this system is operating at very near to theoretical efficiency.
  • a preferred embodiment shows a hermetically sealed solar receiver element.
  • a major advantage of this embodiment is the incorporation of a heat rejection system which improves the efficiency of solar conversion. This is accomplished by using a filter, which prevents transmittance of photons of an energy which does not contribute to electrical output upon impinging the photovoltaic cells having a particular bandgap.
  • a filter which prevents transmittance of photons of an energy which does not contribute to electrical output upon impinging the photovoltaic cells having a particular bandgap.
  • silicon is used as the semi-conductor, photovoltaic material. Silicon has a bandgap of 1.1 ev. It would therefore be desirable to eliminate all photons from incident polychromatic solar light having an energy below this bandgap, as such photons only contribute to heat production without any contribution to electrical output.
  • a filter such as a film of silver, gold, copper or aluminum particles
  • a protective glass or other light transmissive inert covering layer 1.
  • This layer may be in the form of a thin film (layer 2), which rejects all photons having an energy below the bandgap.
  • a pottent such as ethylvinylacetate (EVA, layer 3) or other encapsulant is provided to affix layers one (1) and two (2) to the substrate.
  • EVA ethylvinylacetate
  • the filter could also be affixed to the underside of the glass using EVA or other adhesive means or encapsulants.
  • the photovoltaic cells are provided as layer 4, including electrical leads, followed by another layer of EVA (layer 5) or other encapsulant which affixes the above layers to a heat dissipative metal (6), such as aluminum, preferably having a thermal coefficient of expansion that matches that of the base 14 of the solar concentrator 10.
  • incoming rays of polychromatic light 27 enter the glass cover (layer 1) and are transmitted as polychromatic rays 28.
  • Above-bandgap rays 29 are transmitted through the filter (layer 2) and onto the PV cells (layer 4).
  • Below bandgap rays 30, which cannot contribute to power production, are rejected by the filter (layer 2) and are transmitted out of the unit as rejected rays 31, thereby eliminating their contribution to heating of the PV cells.
  • I-V current versus voltage
  • power is defined as the product of the current and voltage, and is represented by the area under the I-V curve.
  • the maximum theoretical power that can be produced by a given system is defined as the area under the curve defined by the short-circuit current (I JC ) and open-circuit voltage (V , and the maximum theoretical power is the product of these, I IC V oc .
  • I JC short-circuit current
  • V open-circuit voltage
  • I IC V oc open-circuit voltage
  • the average results may be directly compared and the improvement achieved in the instant deployment can be calculated:
  • the power produced in the instant invention is 63% greater than without concentration. Since the theoretical concentration factor is 78%, this system is operating at about 80% of its theoretically possible maximum. In addition, it can be seen that the fill factor, ff, is increased by 9%, which represents a substantial increase in the efficiency of power production.
  • the above data was generated using monocrystalline PV cells. Using edge defined film growth (EFG) PV cells, such as that produced by Deutch Aerospace-ASE Americas, this improvement is increased.
  • the top figure in each column represents data generated in the concentrator of this invention; the bottom figure represents data generated using a flat plate under 1 sun conditions. Two 9-cell strings were used, one as the flat plate reference string, and an identical string used in the concentrator of this invention.
  • a single element solar concentrator for photovoltaic, photochemical, and photothermal applications is disclosed.
  • a single element concentrator is positioned to receive direct and diffused solar radiation and then transmit dispersed and focused radiation toward solar receivers 16 with optical characteristics of static deployment, isotropic irradiation, and operation from wide angle of incidence. Additionally, the single element can operate as a waste-heat sink radiator and a housing structure for the photovoltaic, photochemical, or photothermal receivers.
  • Patent 3,232,795 which claimed a space-craft mounted (i.e. moving and tracking) solar energy converter comprising a plurality of light sensitive elements having a conversion efficiency characteristic which decreases with rising temperature, and a supporting matrix for said elements comprising a thermally conductive and emissive metal sheet upon selected spaced-apart surface areas of which said elements are mounted in light- receiving position having substantially full back sides thereof joined in surface-to- surface thermal transfer contact with the sheet, said sheet having frontally projecting individual wedge-like reflector corrugations occupying the respective regions between and immediately adjoining said elements, said corrugations being formed with sloping sides which gather and reflect light onto said elements and which have exposed front and back surfaces to radiate heat transferred thereto by conduction from said surface areas, the back sides of the sheet in such surface areas also being exposed to radiate heat, such that the instant solar converter is adapted to terrestrial operation in a non- moving, non-tracking deployment, the improvements comprising (a) the absence of space between the light sensitive elements; (b) non-tracking iso

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Abstract

La présente invention décrit un système de concentration d'énergie solaire réalisant une concentration uniforme sur des capteurs interchangeables à grand angle d'admission. L'élément, de préférence unique, fonctionne comme un concentrateur sans dispositif de poursuite (10) tout en fonctionnant en même temps comme un puits thermique. Sa configuration confère de la résistance et maintient un espacement optique régulier tout en servant également de corps au capteur solaire. Fonctionnant comme un puits thermique, le concentrateur (10) conduit la chaleur des capteurs (16) aux réflecteurs (13), faisant ainsi office de radiateur refroidissant le capteur. Le refroidissement par convection ajoute également à l'efficacité du système. Ce dispositif opère, sur le plan de l'optique, avec de grands angles d'incidence du rayonnement solaire et fonctionne comme un concentrateur isotrope pendant ces heures-là. Le concentrateur statique est un système de déploiement optique solaire normalisé offrant des capteurs interchangeables pour des applications photovoltaïques, photochimiques et héliothermiques.
PCT/US1995/001622 1995-02-09 1995-02-09 Puits thermique et corps de concentrateur d'energie solaire sans dispositif de poursuite WO1996024954A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US1995/001622 WO1996024954A1 (fr) 1995-02-09 1995-02-09 Puits thermique et corps de concentrateur d'energie solaire sans dispositif de poursuite
AU18729/95A AU1872995A (en) 1995-02-09 1995-02-09 Non-tracking solar concentrator heat sink and housing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1995/001622 WO1996024954A1 (fr) 1995-02-09 1995-02-09 Puits thermique et corps de concentrateur d'energie solaire sans dispositif de poursuite

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WO1996024954A1 true WO1996024954A1 (fr) 1996-08-15

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999020952A1 (fr) * 1997-10-16 1999-04-29 Antonio Perez Gisbert Collecteur parabolique permettant de capter de maniere statique l'energie solaire
ES2130052A2 (es) * 1996-10-15 1999-06-16 Perez Gisbert Antonio Colector parabolico para la captacion estatica de energia solar.
WO2002008058A1 (fr) * 2000-07-20 2002-01-31 Universite De Liege Concentrateur solaire
US7910035B2 (en) 2007-12-12 2011-03-22 Solaria Corporation Method and system for manufacturing integrated molded concentrator photovoltaic device
US7910392B2 (en) 2007-04-02 2011-03-22 Solaria Corporation Method and system for assembling a solar cell package
US7910822B1 (en) 2005-10-17 2011-03-22 Solaria Corporation Fabrication process for photovoltaic cell
WO2011089448A1 (fr) * 2010-01-25 2011-07-28 Cambridge Enterprise Limited Cellule photovoltaïque
US8049098B2 (en) 2007-09-05 2011-11-01 Solaria Corporation Notch structure for concentrating module and method of manufacture using photovoltaic strips
US8227688B1 (en) 2005-10-17 2012-07-24 Solaria Corporation Method and resulting structure for assembling photovoltaic regions onto lead frame members for integration on concentrating elements for solar cells
WO2014126472A3 (fr) * 2013-02-17 2014-10-30 Solaq B.V. Dispositif permettant simultanément de collecter la chaleur solaire et de générer du froid au moyen d'un rayonnement émis
US11552593B2 (en) 2020-11-04 2023-01-10 Imam Abdulrahman Bin Faisal University High concentrating solar device with passive cooling

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US3232795A (en) * 1961-10-26 1966-02-01 Boeing Co Solar energy converter
US4122833A (en) * 1977-02-03 1978-10-31 Lovelace Alan M Acting Adminis Non-tracking solar energy collector system
FR2400261A1 (fr) * 1977-08-10 1979-03-09 Chevalier Yves Capteur photovoltaique a retro-illumination
US4190036A (en) * 1977-08-29 1980-02-26 Niedermeyer William P Solar energy collector-light emitting panel
US4293732A (en) * 1977-08-11 1981-10-06 Optical Coating Laboratory, Inc. Silicon solar cell and 350 nanometer cut-on filter for use therein
US4597377A (en) * 1984-10-09 1986-07-01 Melamed Alan M Solar reflector system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232795A (en) * 1961-10-26 1966-02-01 Boeing Co Solar energy converter
US4122833A (en) * 1977-02-03 1978-10-31 Lovelace Alan M Acting Adminis Non-tracking solar energy collector system
FR2400261A1 (fr) * 1977-08-10 1979-03-09 Chevalier Yves Capteur photovoltaique a retro-illumination
US4293732A (en) * 1977-08-11 1981-10-06 Optical Coating Laboratory, Inc. Silicon solar cell and 350 nanometer cut-on filter for use therein
US4190036A (en) * 1977-08-29 1980-02-26 Niedermeyer William P Solar energy collector-light emitting panel
US4597377A (en) * 1984-10-09 1986-07-01 Melamed Alan M Solar reflector system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2130052A2 (es) * 1996-10-15 1999-06-16 Perez Gisbert Antonio Colector parabolico para la captacion estatica de energia solar.
WO1999020952A1 (fr) * 1997-10-16 1999-04-29 Antonio Perez Gisbert Collecteur parabolique permettant de capter de maniere statique l'energie solaire
WO2002008058A1 (fr) * 2000-07-20 2002-01-31 Universite De Liege Concentrateur solaire
US7910822B1 (en) 2005-10-17 2011-03-22 Solaria Corporation Fabrication process for photovoltaic cell
US8227688B1 (en) 2005-10-17 2012-07-24 Solaria Corporation Method and resulting structure for assembling photovoltaic regions onto lead frame members for integration on concentrating elements for solar cells
US7910392B2 (en) 2007-04-02 2011-03-22 Solaria Corporation Method and system for assembling a solar cell package
US8049098B2 (en) 2007-09-05 2011-11-01 Solaria Corporation Notch structure for concentrating module and method of manufacture using photovoltaic strips
US7910035B2 (en) 2007-12-12 2011-03-22 Solaria Corporation Method and system for manufacturing integrated molded concentrator photovoltaic device
WO2011089448A1 (fr) * 2010-01-25 2011-07-28 Cambridge Enterprise Limited Cellule photovoltaïque
WO2014126472A3 (fr) * 2013-02-17 2014-10-30 Solaq B.V. Dispositif permettant simultanément de collecter la chaleur solaire et de générer du froid au moyen d'un rayonnement émis
US11552593B2 (en) 2020-11-04 2023-01-10 Imam Abdulrahman Bin Faisal University High concentrating solar device with passive cooling
US11575347B1 (en) 2020-11-04 2023-02-07 Imam Abdulrahman Bin Faisal University Passive cooling method for high concentrating photovoltaic

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