DE102006035965A1 - Solar cell arrangement, has sandwich structures with inner solar cells and transparent mediums, where light is received from direction of surface normal of front side of outer solar cells and is guided into transparent mediums by mirror - Google Patents
Solar cell arrangement, has sandwich structures with inner solar cells and transparent mediums, where light is received from direction of surface normal of front side of outer solar cells and is guided into transparent mediums by mirror Download PDFInfo
- Publication number
- DE102006035965A1 DE102006035965A1 DE200610035965 DE102006035965A DE102006035965A1 DE 102006035965 A1 DE102006035965 A1 DE 102006035965A1 DE 200610035965 DE200610035965 DE 200610035965 DE 102006035965 A DE102006035965 A DE 102006035965A DE 102006035965 A1 DE102006035965 A1 DE 102006035965A1
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- Germany
- Prior art keywords
- solar cell
- light
- solar cells
- mirror
- cell arrangement
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 239000011521 glass Substances 0.000 claims abstract description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 18
- 239000011888 foil Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- H01L31/054—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
-
- 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
- H01L31/06—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 characterised by potential barriers
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Die Erfindung betrifft eine Solarzellenanordnung.The The invention relates to a solar cell arrangement.
Aufgrund steigender Energiepreise findet die Nutzung Solarenergie zunehmend Verbreitung. Die zunächst hohen Preise für am Markt verfügbare Solarzellen zur photovoltaischen Nutzung von Solarenergie sind infolge des technologischen Fortschritts bei der Fertigung und infolge Massenproduktion in den letzten Jahren kontinuierlich gefallen. Bisher konnten jedoch nur wenige Fortschritte bei den vergleichsweise niedrigen Wirkungsgraden verfügbarer Solarzellen erzielt werden, so dass zur Erzielung großer Leistungen große mit Solarzellen bestückte Flächen erforderlich sind, die in dicht besiedelten Gebieten häufig nicht verfügbar sind.by virtue of Rising energy prices are increasing the use of solar energy Distribution. The first high prices for available on the market Solar cells for the photovoltaic use of solar energy are due technological progress in manufacturing and mass production fallen continuously in recent years. So far, however, could few progress on the comparatively low efficiencies available solar cells be achieved, so that to achieve great benefits big with solar cells stocked surfaces are often not required in densely populated areas available are.
Der Erfindung liegt daher die Aufgabe zu Grunde, eine Solarzellenanordnung anzugeben, die bei geringem Flächenverbrauch einen bezogen auf die bestrahlte Fläche verbesserten Wirkungsgrad ermöglicht.Of the The invention is therefore based on the object, a solar cell array indicate that with low land consumption an improved based on the irradiated area efficiency allows.
Die Aufgabe wird erfindungsgemäß gelöst durch eine Solarzellenanordnung nach Anspruch 1.The The object is achieved by a solar cell arrangement according to claim 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.advantageous Embodiments of the invention are the subject of the dependent claims.
Bei der erfindungsgemäßen Solarzellenanordnung ist hinter mindestens einer auf einer Vorderseite direkt beleuchtbaren äußeren Solarzelle jeweils eine Folge aus mindestens einer Sandwichstruktur angeordnet. Jede Sandwichstruktur umfasst mindestens eine innere Solarzelle und ein transparentes Medium. Jede innere Solarzelle grenzt mit einer Vorderseite an das transparente Medium an. In einen an mindestens eine Kante, insbesondere an allen Kanten der äußeren Solarzelle angrenzenden Rahmenbereich ist Licht zumindest aus Richtung einer Flächennor malen der Vorderseite der äußeren Solarzelle aufnehmbar und mittels mindestens eines Spiegels in das transparente Medium leitbar. Im Rahmenbereich aufgenommenes Licht wird über den oder die Spiegel in das transparente Medium eingeleitet und trifft auf die Vorderseite der inneren Solarzelle, so dass auch die im Rahmenbereich auftreffende Solarenergie nutzbar gemacht werden kann. Es können zwei jeweils an das transparente Medium angrenzende Solarzellen in der Sandwichstruktur vorgesehen sein, deren Vorderseiten einander gegenüberliegen. Infolge Reflexion nicht absorbiertes Licht wird zwischen den Solarzellen hin und her reflektiert, so dass sich ein höherer Absorptionsgrad ergibt. Das transparente Medium kann beispielsweise Luft sein. Sowohl die äußere als auch die innere Solarzelle kann eine marktübliche amorphe, polykristalline oder monokristalline Solarzelle oder eine Dünnschichtzelle, mehrschichtige Zelle oder jede andere Art von Solarzelle gebildet sein. Es können mehrere äußere Solarzellen mit Folgen von Sandwichstrukturen gemeinsam, beispielsweise in einer Reihe oder in einer Matrix, angeordnet sein, wobei die Rahmenbereiche aller äußeren Zellen gitterartig zwischen den äußeren Solarzellen und um alle Solarzellen herum gebildet sein können. Insbesondere sind mehrere, beispielsweise vier Sandwichstrukturen in Folge vorgesehen.at the solar cell assembly according to the invention is behind at least one on a front directly illuminated external solar cell each arranged a sequence of at least one sandwich structure. Each sandwich structure comprises at least one inner solar cell and a transparent medium. Each inner solar cell borders with a front to the transparent medium. In one at least an edge, in particular adjacent to all edges of the outer solar cell Frame area is light at least from the direction of a Flächennor paint the front of the outer solar cell receivable and by means of at least one mirror in the transparent Medium conductive. In the frame area recorded light is over the or the mirror is introduced into the transparent medium and hits on the front of the inner solar cell, so that also in the Frame area incident solar energy can be harnessed. There can be two each adjacent to the transparent medium solar cells in the Sandwich structure may be provided, the front sides of which are opposite to each other. As a result Reflection of unabsorbed light is between the solar cells reflected back and forth, so that there is a higher degree of absorption. The transparent medium may be, for example, air. Both the outer as The inner solar cell can also be a commercially available amorphous, polycrystalline or monocrystalline solar cell or a thin-film cell, multilayer Cell or any other type of solar cell be formed. There can be several outer solar cells with consequences of sandwich structures in common, for example in one Row or in a matrix, the frame areas all outer cells grid-like between the outer solar cells and can be formed around all the solar cells around. In particular, several, For example, provided four sandwich structures in a row.
Vorzugsweise umfasst mindestens eine der Sandwichstrukturen ein Spiegelelement, welches an das transparente Medium angrenzt und der Vorderseite der inneren Solarzelle gegenüber liegt. Auf diese Weise wird eingestrahltes Licht besser über die innere Solarzelle verteilt und von der inneren Solarzelle reflektiertes Licht auf diese zurückreflektiert, um den Absorptionsgrad zu verbessern. Die innere Solarzelle kann dabei mit ihrer Vorderseite in gleicher oder entgegengesetzter Richtung wie die Vorderseite der äußeren Solarzelle ausgerichtet sein.Preferably at least one of the sandwich structures comprises a mirror element, which is adjacent to the transparent medium and the front the inner solar cell opposite lies. In this way, irradiated light is better over the inner solar cell distributed and reflected from the inner solar cell Light reflected back on this, to improve the degree of absorption. The inner solar cell can with their front in the same or opposite direction like the front of the outer solar cell be aligned.
In einer bevorzugten Ausführungsform ist im Rahmenbereich mindestens ein transparentes Lichtleitelement angeordnet. Das Lichtleitelement nimmt eingestrahltes Licht auf, vermeidet aber eine Verschmutzung der Spiegel und der Sandwichstrukturen infolge von Umwelteinflüssen. Das Lichtleitelement ist insbesondere an allen Bereichen, die nicht für die Aufnahme von Licht vorgesehen sind, mit Spiegeln umgeben, die verhindern, dass aufgenommenes Licht aus dem Lichtleitelement unkontrolliert austritt.In a preferred embodiment is at least one transparent light-guiding element in the frame area arranged. The light-guiding element absorbs irradiated light, but avoids contamination of the mirrors and the sandwich structures due of environmental influences. The light-guiding element is in particular on all areas that are not for receiving provided by light, surrounded by mirrors that prevent that received light from the light guide uncontrolled exit.
Vorzugsweise sind das Lichtleitelement und/oder das transparente Medium aus Glas gebildet, da Glas eine sehr gute Transparenz bietet, so dass nur geringe Verluste bei der Lichtleitung zu den inneren Solarzellen auftreten. Vorteilhaft ist zudem die Kratzfestigkeit von Glas, so dass die in Richtung der Flächennormalen der Vorderseite der äußeren Solarzelle liegende Oberfläche des Lichtleitelements gut zu reinigen ist, ohne dass sich durch Kratzer die Reflexion an der Oberfläche erhöht.Preferably are the light-guiding element and / or the transparent medium made of glass Made because glass offers a very good transparency, so only low losses in the light pipe to the inner solar cells occur. Also advantageous is the scratch resistance of glass, so that in the direction of the surface normal the front of the outer solar cell lying surface the light guide is easy to clean, without getting through Scratches the reflection on the surface increases.
Das Lichtleitelement und/oder das transparente Medium kann ebenso aus Acryl gebildet sein, wodurch sich das Gewicht der Solaranordnung erheblich verringert, so dass seine Handhabbarkeit bei der Montage sich verbessert. Zudem ist Acryl bruchfester als Glas.The The light guide and / or the transparent medium may also be made Acrylic be formed, thereby increasing the weight of the solar array significantly reduced, so its manageability during assembly improves. In addition, acrylic is more resistant to breakage than glass.
Besonders leicht und kostengünstig können der Spiegel und/oder das Spiegelelement aus Spiegelfolie gebildet werden, beispielsweise Aluminiumfolie.Especially easy and inexpensive can the Mirror and / or the mirror element are formed from mirror foil, for example, aluminum foil.
Vorzugsweise weist das Lichtleitelement zumindest in Richtung der Flächennormalen der äußeren Solarzelle ein optisches Hilfsmittel zum Sammeln von Licht auf, um auch direktes oder diffuses Licht aufnehmen zu können, das unter von dieser Richtung abweichenden Winkeln einfällt.The light-guiding element preferably has an optical aid for collecting light, at least in the direction of the surface normal of the outer solar cell, in order also to produce direct or diffused light to be able to record, which occurs at angles deviating from this direction.
Vorzugsweise ist das optische Hilfsmittel als Zylinderlinse ausgebildet, da diese bei der länglichen Form der Rahmenbereiche sich am besten eignen und zudem einfach zu fertigen und aufgrund ihrer kompakten Oberfläche leicht zu reinigen sind. Alternativ sind auch andere Arten von Sammellinsen, wie Fresnelllinsen denkbar.Preferably the optical aid is designed as a cylindrical lens, since these at the elongated shape The frame areas are best suited and also easy to manufacture and easy to clean due to their compact surface. Alternatively, other types of converging lenses, such as Fresnel lenses conceivable.
In einer besonders bevorzugten Ausführungsform ist das optische Hilfsmittel mit einer optischen Vergütung versehen, zumindest in dem Bereich, der für die Auf nahme von Licht vorgesehen ist. Mittels einer optischen Vergütung lässt sich der Reflexionsgrad des auf das optische Hilfsmittel einfallenden Lichtes verringern, so dass mehr Licht die inneren Solarzellen erreicht.In a particularly preferred embodiment is the optical device provided with an optical coating, at least in the field that for the inclusion of light is provided. By means of an optical coating can be the reflectance of incident on the optical aid Reduce light so that more light reaches the inner solar cells.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert.embodiments The invention will be explained in more detail below with reference to a drawing.
Darin zeigen:In this demonstrate:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.each other corresponding parts are in all figures with the same reference numerals Mistake.
Jede
der Sandwichstrukturen
Das
Lichtleitelement
Das
optische Hilfsmittel
Es
kann eine andere Anzahl von Sandwichstrukturen
Die
Sandwichstrukturen
Das
optische Hilfsmittel
Das
Lichtleitelement
Wahlweise
kann das Lichtleitelement
Die
Spiegelelemente
Statt
des Spiegelelementes
Die
Spiegel
Bei
im Randbereich
- 11
- Solarzellenanordnungsolar cell array
- 22
- Äußere SolarzelleExternal solar cell
- 3.13.1
-
bis
3.n Sandwichstrukturto3.n sandwich structure - 44
- Rahmenbereichframe area
- 55
- LichteleitelementLichteleitelement
- 66
- Spiegelmirror
- 7.17.1
-
bis
7.n innere Solarzelleto7.n inner solar cell - 8.18.1
-
bis
8.n Spiegelelementto8.n. mirror element - 9.19.1
-
bis
9.n transparentes Mediumto9.n. transparent medium - 1010
- optisches Hilfsmitteloptical aid
- LL
- Lichtlight
- NN
- Flächennormale der Vorderseite der äußeren Solarzellesurface normal the front of the outer solar cell
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610035965 DE102006035965A1 (en) | 2006-08-02 | 2006-08-02 | Solar cell arrangement, has sandwich structures with inner solar cells and transparent mediums, where light is received from direction of surface normal of front side of outer solar cells and is guided into transparent mediums by mirror |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610035965 DE102006035965A1 (en) | 2006-08-02 | 2006-08-02 | Solar cell arrangement, has sandwich structures with inner solar cells and transparent mediums, where light is received from direction of surface normal of front side of outer solar cells and is guided into transparent mediums by mirror |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102006035965A1 true DE102006035965A1 (en) | 2008-02-07 |
Family
ID=38884834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE200610035965 Ceased DE102006035965A1 (en) | 2006-08-02 | 2006-08-02 | Solar cell arrangement, has sandwich structures with inner solar cells and transparent mediums, where light is received from direction of surface normal of front side of outer solar cells and is guided into transparent mediums by mirror |
Country Status (1)
Country | Link |
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DE (1) | DE102006035965A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008036804A1 (en) * | 2008-08-07 | 2010-02-11 | Siemens Aktiengesellschaft | Method for garbling solar module, involves arranging solar module behind cover, where cover is partially transparent for light in wavelength area |
WO2010062713A2 (en) | 2008-11-03 | 2010-06-03 | Corning Incorporated | Thin film semiconductor photovoltaic device |
DE102011052702A1 (en) * | 2011-08-13 | 2013-02-14 | Hans Thoma | Solar module has optical lens that is arranged in region of cell gap between cover layer and solar cells |
DE102012023850A1 (en) * | 2012-12-05 | 2014-06-05 | Josef Zanklmeier | Joint profile structure for reflectance/bundling of sunlight on effective area of solar module, has reflecting and/or bundling surfaces that are provided for reflecting or bundling the light beams on utilizable layer of solar modules |
US10840393B2 (en) | 2013-02-26 | 2020-11-17 | Panasonic Intellectual Property Management Co., Ltd. | Solar cell module and solar cell module manufacturing method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4133699A (en) * | 1978-04-26 | 1979-01-09 | Communications Satellite Corporation | Shaped edge solar cell coverslide |
DE3916124A1 (en) * | 1989-05-18 | 1990-11-22 | Telefunken Systemtechnik | Frameless solar cell module - with inclined rim extension of support bracket reflecting solar radiation on cell edges |
US5994641A (en) * | 1998-04-24 | 1999-11-30 | Ase Americas, Inc. | Solar module having reflector between cells |
US6008449A (en) * | 1997-08-19 | 1999-12-28 | Cole; Eric D. | Reflective concentrating solar cell assembly |
JP2000022194A (en) * | 1998-07-06 | 2000-01-21 | Nippon Signal Co Ltd:The | Solar cell power supply |
US6087579A (en) * | 1997-03-26 | 2000-07-11 | Muskatevc; Mark S. | Method and apparatus for directing solar energy to solar energy collecting cells |
DE10123262A1 (en) * | 2001-05-12 | 2002-11-28 | Dieter Achilles | Arrangement for uniform illumination of photovoltaic elements has scattering layer on plate transparent to sensitive wavelength arranged to provide optical irradiation of photovoltaic element |
WO2003007387A1 (en) * | 2001-07-09 | 2003-01-23 | Christian Gerteis | Solar unit |
-
2006
- 2006-08-02 DE DE200610035965 patent/DE102006035965A1/en not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4133699A (en) * | 1978-04-26 | 1979-01-09 | Communications Satellite Corporation | Shaped edge solar cell coverslide |
DE3916124A1 (en) * | 1989-05-18 | 1990-11-22 | Telefunken Systemtechnik | Frameless solar cell module - with inclined rim extension of support bracket reflecting solar radiation on cell edges |
US6087579A (en) * | 1997-03-26 | 2000-07-11 | Muskatevc; Mark S. | Method and apparatus for directing solar energy to solar energy collecting cells |
US6008449A (en) * | 1997-08-19 | 1999-12-28 | Cole; Eric D. | Reflective concentrating solar cell assembly |
US5994641A (en) * | 1998-04-24 | 1999-11-30 | Ase Americas, Inc. | Solar module having reflector between cells |
JP2000022194A (en) * | 1998-07-06 | 2000-01-21 | Nippon Signal Co Ltd:The | Solar cell power supply |
DE10123262A1 (en) * | 2001-05-12 | 2002-11-28 | Dieter Achilles | Arrangement for uniform illumination of photovoltaic elements has scattering layer on plate transparent to sensitive wavelength arranged to provide optical irradiation of photovoltaic element |
WO2003007387A1 (en) * | 2001-07-09 | 2003-01-23 | Christian Gerteis | Solar unit |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008036804A1 (en) * | 2008-08-07 | 2010-02-11 | Siemens Aktiengesellschaft | Method for garbling solar module, involves arranging solar module behind cover, where cover is partially transparent for light in wavelength area |
WO2010062713A2 (en) | 2008-11-03 | 2010-06-03 | Corning Incorporated | Thin film semiconductor photovoltaic device |
WO2010062713A3 (en) * | 2008-11-03 | 2011-01-20 | Corning Incorporated | Thin film semiconductor photovoltaic device |
CN102239569A (en) * | 2008-11-03 | 2011-11-09 | 康宁股份有限公司 | Thin film semiconductor photovoltaic device |
CN102239569B (en) * | 2008-11-03 | 2014-10-22 | 康宁股份有限公司 | Thin film semiconductor photovoltaic device |
DE102011052702A1 (en) * | 2011-08-13 | 2013-02-14 | Hans Thoma | Solar module has optical lens that is arranged in region of cell gap between cover layer and solar cells |
DE102012023850A1 (en) * | 2012-12-05 | 2014-06-05 | Josef Zanklmeier | Joint profile structure for reflectance/bundling of sunlight on effective area of solar module, has reflecting and/or bundling surfaces that are provided for reflecting or bundling the light beams on utilizable layer of solar modules |
US10840393B2 (en) | 2013-02-26 | 2020-11-17 | Panasonic Intellectual Property Management Co., Ltd. | Solar cell module and solar cell module manufacturing method |
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