DE4030713A1 - Photoelectric solar generator - has flexible intermediate connecting plate designed to prevent solar cell fracture due to temp. change stresses - Google Patents

Photoelectric solar generator - has flexible intermediate connecting plate designed to prevent solar cell fracture due to temp. change stresses

Info

Publication number
DE4030713A1
DE4030713A1 DE4030713A DE4030713A DE4030713A1 DE 4030713 A1 DE4030713 A1 DE 4030713A1 DE 4030713 A DE4030713 A DE 4030713A DE 4030713 A DE4030713 A DE 4030713A DE 4030713 A1 DE4030713 A1 DE 4030713A1
Authority
DE
Germany
Prior art keywords
solar generator
photovoltaic solar
generator according
solar cells
connecting plate
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
Application number
DE4030713A
Other languages
German (de)
Inventor
Helmut Dipl Ing Floedl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Defence and Space GmbH
Original Assignee
Telefunken Systemtechnik AG
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 Telefunken Systemtechnik AG filed Critical Telefunken Systemtechnik AG
Priority to DE4030713A priority Critical patent/DE4030713A1/en
Publication of DE4030713A1 publication Critical patent/DE4030713A1/en
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • 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)

Abstract

The solar cells (10, 11) are arranged in an overlapping shingle pattern with their interconnecting contacts (2, 3) positioned on the longitudinal edges. An intermediate contactor plate (1), consisting of two contacts (4, 6) separated by a elastic area of conductive material (8), is permanently attached via solder points (5, 7) between the overlapping solar cells (10, 11). ADVANTAGE - Elastic intermediate connecting plate allows movement of individual solar cells during temperature changes. Longevity of solar generator significantly increased, material and manufacture of intermediate conencting plate can be selected according to solar cell construction.

Description

Die Erfindung betrifft einen photovoltaischen Solargene­ rator, dessen Solarzellen an den Längskanten Kontaktan­ schlüsse aufweisen und in überlappender Form zu einem Schindelstring zusammengefaßt sind, wobei mehrere Schindel­ strings vorzugsweise zwischen einem Träger und einer Ab­ deckung in Schmelzkleberfolien eingebettet sind.The invention relates to a photovoltaic solar genes rator, whose solar cells contact at the longitudinal edges have conclusions and overlap to one Shingle string are combined, with multiple shingles strings preferably between a carrier and an ab cover are embedded in hot-melt adhesive films.

Photovoltaische Solargeneratoren, deren Solarzellen in Schindeltechnik angeordnet sind, gelten in der Fachwelt als allgemein bekannt. Die Schindelstrings liegen beispiels­ weise in Schmelzkleberfolien eingebettet zwischen einem Träger aus beispielsweise Glas oder Metall, vorzugsweise Aluminium, und einer Abdeckung, insbesondere aus Glas. Photovoltaic solar generators, whose solar cells in Shingle technology are arranged in the professional world as generally known. The shingle strings are, for example embedded in a hot melt adhesive film between one Carriers made of, for example, glass or metal, preferably Aluminum, and a cover, especially of glass.  

Die Herstellung derartiger Solargeneratoren kann beispiels­ weise dadurch erfolgen, daß die Schindelstrings durch Auf­ einanderlegen der die Kontaktanschlüsse enthaltenden Längs­ kanten der Solarzellen und durch anschließendes Kleben oder Löten der Kontaktanschlüsse jeweils der benachbarten Solar­ zellen hergestellt werden. Bei den Kontakten kann es sich um im Siebdruckverfahren aufgebrachte oder um in Vakuumtechnik aufgedampfte Mehrschicht-Metallkontakte handeln, die einen Anschlußbalken oder Anschlußbereiche an einer Längskante der Solarzelle aufweisen. Anschließend werden die Schindel­ strings untereinander verschaltet, mit elektrischen An­ schlüssen versehen und in den Schmelzkleberfolien eingebet­ tet. Der mit einer Abdeckung und einem Träger versehene Generatorverbund wird abschließend in einem Vakuum-Verbund­ prozeß zu dem photovoltaischen Solargenerator laminiert. Es hat sich bei den beschriebenen Solargeneratoren herausge­ stellt, daß im Bereich der Kontaktverbindungen durch Tempe­ raturwechsel-Kräfte im Generatormodul nachteiligerweise Zel­ lenbrüche aufgetreten sind, insbesondere bei einer Rücksei­ tenabdeckung aus Aluminium.The production of such solar generators can for example wise done in that the shingle strings by On the longitudinal axis containing the contact connections lie one above the other edges of the solar cells and by subsequent gluing or Solder the contact connections of the neighboring solar cells are manufactured. The contacts can be applied by screen printing or in vacuum technology evaporated multi-layer metal contacts act, the one Connection bars or connection areas on one longitudinal edge of the solar cell. Then the shingle strings interconnected, with electrical connection provided conclusions and embedded in the hot melt adhesive films tet. The one with a cover and a support The generator network is finally created in a vacuum network Process laminated to the photovoltaic solar generator. It has emerged from the described solar generators represents that in the area of contact connections by Tempe raturwechsel forces in the generator module disadvantageously Zel fractures have occurred, especially on the back aluminum cover.

Der Erfindung liegt daher die Aufgabe zugrunde, einen So­ largenerator der eingangs genannten Art zu schaffen, bei dem ein Bruch der Solarzellen nach Herstellung des Solar­ generators aufgrund von Temperaturwechsel-Kräften vermieden wird.The invention is therefore based on the object to create largenerator of the type mentioned at which is a break in the solar cells after the solar has been manufactured generators avoided due to temperature change forces becomes.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß räum­ lich zwischen den elektrisch leitend zu verbindenen Kontakt­ anschlußbalken oder Kontaktinsel der Solarzellen Zwischenverbinder angeordnet sind.The object is achieved in that space Lich between the electrically conductive contact to be connected connection bar or contact island of the solar cells Intermediate connectors are arranged.

Durch den erfindungsgemäßen Zwischenverbinder werden infolge der besonderen Formgebung der elastischen Verbindungsstege die Temperaturwechselkräfte sehr gut aufgenommen, so daß Zug- oder Druckkräfte nicht in den Kristrallbereich der So­ larzelle eingeleitet werden können. As a result of the intermediate connector according to the invention the special shape of the elastic connecting webs the temperature change forces very well absorbed, so that Tensile or compressive forces not in the crystal area of the sun lar cell can be initiated.  

Die durch die Schindeltechnik erzielbare optimale Flächen­ ausnutzung im Generator infolge des Wegfalls von Zwischen­ räumen zwischen den Zellen, sowie die Überdeckung von Kon­ taktflächen durch aktive Zellenflächen bleibt vorteilhaf­ terweise voll erhalten.The optimal areas that can be achieved with shingle technology utilization in the generator due to the elimination of intermediate clear between the cells, as well as the coverage of Kon tact areas by active cell areas remains advantageous fully preserved.

Ausgestaltungen der Erfindung sind in den Unteransprüchen 2 bis 7 beschrieben.Embodiments of the invention are in the subclaims 2 to 7 described.

In der Zeichnung ist ein Ausführungsbeispiel nach der Er­ findung dargestellt, und zwar zeigtIn the drawing is an embodiment according to the Er shown, namely shows

Fig. 1 einen Zwischenverbinder in Draufsicht, Fig. 1 is an intermediate connector in plan view,

Fig. 2 die Anordnung des Zwischenverbinders gemäß Fig. 1 zwischen den Kontaktanschlüssen der geschindelten Solarzellen in der Seitenansicht, und Fig. 2 shows the arrangement of the intermediate connector of FIG. 1 between the contact connections of the shingled solar cells in a side view, and

Fig. 3 ein Ausführungsbeispiel eines Strings mit drei Solar­ zellen in Drauf- und Seitenansicht. Fig. 3 shows an embodiment of a string with three solar cells in top and side views.

In Fig. 1 weist ein 0,1 mm flach ausgeführter Verbinder 1 praktisch eine rechteckige Form auf, wobei an den gegenüber­ liegenden Längsseiten Löt- bzw. Schweißanschlüsse 4, 6 an­ geordnet sind. Zwischen diesen beiden Anschluß-Seiten 4, 6 befindet sich ein elastisch ausgebildeter Bereich 8, der die elastische Verformung in Längsrichtung übernimmt. Der zwischen den Anschlüssen 4, 4 und 6, 6 in Querrichtung liegende Bereich 9 kann eine elastische Verformung in Querrichtung übernehmen. Der beschriebene Zwischenverbinder ist in Fig. 2 als Einzelverbinder mit hoher Redundanz zwi­ schen dem Vorderseitenkontaktanschluß 2 der Solarzelle 11 und dem Rückseitenkontaktanschluß 3 der Solarzelle 10 me­ chanisch und elektrisch über die Schweiß- bzw. Lötverbindun­ gen 5, 7 verbunden. In Fig. 1, a 0.1 mm flat connector 1 practically has a rectangular shape, with soldering or welding connections 4 , 6 being arranged on the opposite longitudinal sides. Between these two connection sides 4 , 6 there is an elastically formed area 8 , which takes over the elastic deformation in the longitudinal direction. The area 9 lying between the connections 4 , 4 and 6 , 6 in the transverse direction can take on an elastic deformation in the transverse direction. The intermediate connector described is in Fig. 2 as a single connector with high redundancy's between the front contact terminal 2 of the solar cell 11 and the rear contact terminal 3 of the solar cell 10 me mechanically and electrically via the welding or soldering gene 5 , 7 connected.

Die Zwischenverbinder 1 können vorzugsweise aus Kupfer, Molybdän, Nickel, Silber oder deren Legierungen bestehen, wobei die Materialdicke den zu verschaltenden Solarzellen anzupassen ist. Je nach Material und Anforderung können die Zwischenverbinder 1 gestanzt, geätzt oder auch in Galvanoformtechnik hergestellt werden.The intermediate connectors 1 can preferably consist of copper, molybdenum, nickel, silver or their alloys, the material thickness having to be adapted to the solar cells to be connected. Depending on the material and requirements, the intermediate connectors 1 can be punched, etched or also produced using electroforming technology.

Die in Fig. 1 dargestellten Öffnungen 12 können zur Posi­ tionierung der Zwischenverbinder 1 bei der Herstellung des Strings 13 in Fig. 3 dienen.The openings 12 shown in Fig. 1 can serve to position the intermediate connector 1 in the manufacture of the string 13 in Fig. 3.

Claims (7)

1. Photovoltaischer Solargenerator, dessen Solarzellen (10, 11) an den Längskanten Kontaktanschlüsse (2, 3) aufweisen und in überlappender Form zu einem Schindelstring (13) zusam­ mengefaßt sind, wobei mehrere Schindelstrings vorzugsweise zwischen einem Träger und einer Abdeckung in Schmelzkleber­ folien eingebettet sind, dadurch gekennzeichnet, daß räum­ lich zwischen den elektrisch leitend zu verbindenden Kon­ taktanschlußbalken oder Kontaktinseln (2, 3) der Solarzellen (10, 11) Zwischenverbinder (1) angeordnet sind.1. Photovoltaic solar generator, the solar cells ( 10 , 11 ) on the longitudinal edges have contact connections ( 2 , 3 ) and are combined in an overlapping form to form a shingle string ( 13 ), several shingle strings preferably being embedded between a support and a cover in hot-melt adhesive films are characterized in that spatial Lich between the electrically conductive Kon contact terminal bars or contact islands ( 2 , 3 ) of the solar cells ( 10 , 11 ) intermediate connectors ( 1 ) are arranged. 2. Photovoltaischer Solargenerator nach Anspruch 1, dadurch gekennzeichnet, daß die Zwischenverbinder (1) rechteckförmig ausgebildet sind und an zwei gegenüberliegenden Längsseiten ein oder mehrere Löt- bzw. Schweißkontaktanschlüsse (4, 6) aufweisen.2. Photovoltaic solar generator according to claim 1, characterized in that the intermediate connectors ( 1 ) are rectangular and have one or more soldering or welding contact connections ( 4 , 6 ) on two opposite longitudinal sides. 3. Photovoltaischer Solargenerator nach Anspruch 1 u. 2, dadurch gekennzeichnet, daß zwischen den Löt- bzw. Schweiß­ kontaktanschlüssen (4, 6) der Zwischenverbinder (1) mecha­ nisch elastische Verbindungsstege (8, 9) z. B. in Form von Ausgleichbögen angeordnet sind.3. Photovoltaic solar generator according to claim 1 u. 2, characterized in that between the soldering or welding contact connections ( 4 , 6 ) of the intermediate connector ( 1 ) mechanically elastic connecting webs ( 8 , 9 ) z. B. are arranged in the form of compensation sheets. 4. Photovoltaischer Solargenerator nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Zwischenverbinder (1) an die Kontaktanschlüsse (2, 3) der Solarzellen (10, 11) geklebt, gelötet oder geschweißt sind.4. Photovoltaic solar generator according to claim 1, 2 or 3, characterized in that the intermediate connector ( 1 ) to the contact connections ( 2 , 3 ) of the solar cells ( 10 , 11 ) are glued, soldered or welded. 5. Photovoltaischer Solargenerator nach einem der Ansprüche 1 bis 4, gekennzeichnet durch Zwischenverbinder (1) aus Kupfer, Molybdän, Nickel, Silber oder deren Legierungen.5. Photovoltaic solar generator according to one of claims 1 to 4, characterized by intermediate connectors ( 1 ) made of copper, molybdenum, nickel, silver or their alloys. 6. Photovoltaischer Solargenerator nach einem der Ansprüche 1 bis 5, gekennzeichnet durch gestanzte, geätzte oder in Galvanoformtechnik hergestellte Zwischenverbinder (1).6. Photovoltaic solar generator according to one of claims 1 to 5, characterized by stamped, etched or manufactured in electroforming intermediate connector ( 1 ). 7. Photovoltaischer Solargenerator nach einem der Ansprüche 1 bis 6, gekennzeichnet durch einen Träger aus Glas, Ver­ bundwerkstoffen, Aluminium oder Edelstahl.7. Photovoltaic solar generator according to one of the claims 1 to 6, characterized by a support made of glass, Ver coil materials, aluminum or stainless steel.
DE4030713A 1990-09-28 1990-09-28 Photoelectric solar generator - has flexible intermediate connecting plate designed to prevent solar cell fracture due to temp. change stresses Ceased DE4030713A1 (en)

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DE19837862A1 (en) * 1998-08-20 2000-03-02 Solarc Innovative Solarprodukt Solar module, especially portable solar module, controlling DC voltage converter in such way, that it is connected to load, if source voltage oversteps predetermined switch-on threshold value
WO2009047815A1 (en) * 2007-10-12 2009-04-16 System S.P.A. A process for connecting photovoltaic cells in series, a photovoltaic cell connectable in series using the process, and a module obtained with the process
WO2010133224A3 (en) * 2009-05-18 2011-09-22 Solarion Ag Arrangement and circuit, and method for interconnecting flat solar cells
WO2013020590A1 (en) * 2011-08-09 2013-02-14 Kioto Photovoltaics Gmbh Rectangular solar cell and associated solar cell arrangement
US9281436B2 (en) 2012-12-28 2016-03-08 Solarcity Corporation Radio-frequency sputtering system with rotary target for fabricating solar cells
US9356184B2 (en) 2014-05-27 2016-05-31 Sunpower Corporation Shingled solar cell module
US9412884B2 (en) 2013-01-11 2016-08-09 Solarcity Corporation Module fabrication of solar cells with low resistivity electrodes
EP1775778B2 (en) 2005-10-11 2016-09-28 SolAero Technologies Corp. Reliable interconnection of solar cells including integral bypass diode
US9461189B2 (en) 2012-10-04 2016-10-04 Solarcity Corporation Photovoltaic devices with electroplated metal grids
US9496429B1 (en) 2015-12-30 2016-11-15 Solarcity Corporation System and method for tin plating metal electrodes
US9496427B2 (en) 2013-01-11 2016-11-15 Solarcity Corporation Module fabrication of solar cells with low resistivity electrodes
US9590132B2 (en) 2014-12-05 2017-03-07 Solarcity Corporation Systems and methods for cascading photovoltaic structures
US9624595B2 (en) 2013-05-24 2017-04-18 Solarcity Corporation Electroplating apparatus with improved throughput
US9685579B2 (en) 2014-12-05 2017-06-20 Solarcity Corporation Photovoltaic structure cleaving system
US9761744B2 (en) 2015-10-22 2017-09-12 Tesla, Inc. System and method for manufacturing photovoltaic structures with a metal seed layer
US9773928B2 (en) 2010-09-10 2017-09-26 Tesla, Inc. Solar cell with electroplated metal grid
US9793421B2 (en) 2014-12-05 2017-10-17 Solarcity Corporation Systems, methods and apparatus for precision automation of manufacturing solar panels
US9800053B2 (en) 2010-10-08 2017-10-24 Tesla, Inc. Solar panels with integrated cell-level MPPT devices
US9842956B2 (en) 2015-12-21 2017-12-12 Tesla, Inc. System and method for mass-production of high-efficiency photovoltaic structures
US9865754B2 (en) 2012-10-10 2018-01-09 Tesla, Inc. Hole collectors for silicon photovoltaic cells
US9887306B2 (en) 2011-06-02 2018-02-06 Tesla, Inc. Tunneling-junction solar cell with copper grid for concentrated photovoltaic application
US9947822B2 (en) 2015-02-02 2018-04-17 Tesla, Inc. Bifacial photovoltaic module using heterojunction solar cells
US9947820B2 (en) 2014-05-27 2018-04-17 Sunpower Corporation Shingled solar cell panel employing hidden taps
WO2018087008A1 (en) 2016-11-10 2018-05-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encapsulation film for a shingled photovoltaic module
US9991412B2 (en) 2014-12-05 2018-06-05 Solarcity Corporation Systems for precision application of conductive adhesive paste on photovoltaic structures
CN108258076A (en) * 2018-02-12 2018-07-06 无锡嘉瑞光伏有限公司 A kind of solar cell module using shape welding band
CN108365040A (en) * 2018-02-12 2018-08-03 无锡嘉瑞光伏有限公司 A kind of welding for laminated type solar battery sheet component
US10043937B2 (en) 2014-12-05 2018-08-07 Solarcity Corporation Systems and method for precision automated placement of backsheet on PV modules
US10056522B2 (en) 2014-12-05 2018-08-21 Solarcity Corporation System and apparatus for precision automation of tab attachment for fabrications of solar panels
US10074755B2 (en) 2013-01-11 2018-09-11 Tesla, Inc. High efficiency solar panel
US10084104B2 (en) 2015-08-18 2018-09-25 Sunpower Corporation Solar panel
US10084107B2 (en) 2010-06-09 2018-09-25 Tesla, Inc. Transparent conducting oxide for photovoltaic devices
US10084099B2 (en) 2009-11-12 2018-09-25 Tesla, Inc. Aluminum grid as backside conductor on epitaxial silicon thin film solar cells
US10090430B2 (en) 2014-05-27 2018-10-02 Sunpower Corporation System for manufacturing a shingled solar cell module
US10115838B2 (en) 2016-04-19 2018-10-30 Tesla, Inc. Photovoltaic structures with interlocking busbars
US10236406B2 (en) 2014-12-05 2019-03-19 Solarcity Corporation Systems and methods for targeted annealing of photovoltaic structures
US10309012B2 (en) 2014-07-03 2019-06-04 Tesla, Inc. Wafer carrier for reducing contamination from carbon particles and outgassing
US10673379B2 (en) 2016-06-08 2020-06-02 Sunpower Corporation Systems and methods for reworking shingled solar cell modules
US10672919B2 (en) 2017-09-19 2020-06-02 Tesla, Inc. Moisture-resistant solar cells for solar roof tiles
US10861999B2 (en) 2015-04-21 2020-12-08 Sunpower Corporation Shingled solar cell module comprising hidden tap interconnects
US11190128B2 (en) 2018-02-27 2021-11-30 Tesla, Inc. Parallel-connected solar roof tile modules
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Cited By (63)

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Publication number Priority date Publication date Assignee Title
DE19837862C2 (en) * 1998-08-20 2002-11-14 Solarc Innovative Solarprodukt solar module
DE19837862A1 (en) * 1998-08-20 2000-03-02 Solarc Innovative Solarprodukt Solar module, especially portable solar module, controlling DC voltage converter in such way, that it is connected to load, if source voltage oversteps predetermined switch-on threshold value
EP1775778B2 (en) 2005-10-11 2016-09-28 SolAero Technologies Corp. Reliable interconnection of solar cells including integral bypass diode
WO2009047815A1 (en) * 2007-10-12 2009-04-16 System S.P.A. A process for connecting photovoltaic cells in series, a photovoltaic cell connectable in series using the process, and a module obtained with the process
WO2010133224A3 (en) * 2009-05-18 2011-09-22 Solarion Ag Arrangement and circuit, and method for interconnecting flat solar cells
US10084099B2 (en) 2009-11-12 2018-09-25 Tesla, Inc. Aluminum grid as backside conductor on epitaxial silicon thin film solar cells
US10084107B2 (en) 2010-06-09 2018-09-25 Tesla, Inc. Transparent conducting oxide for photovoltaic devices
US9773928B2 (en) 2010-09-10 2017-09-26 Tesla, Inc. Solar cell with electroplated metal grid
US9800053B2 (en) 2010-10-08 2017-10-24 Tesla, Inc. Solar panels with integrated cell-level MPPT devices
US9887306B2 (en) 2011-06-02 2018-02-06 Tesla, Inc. Tunneling-junction solar cell with copper grid for concentrated photovoltaic application
WO2013020590A1 (en) * 2011-08-09 2013-02-14 Kioto Photovoltaics Gmbh Rectangular solar cell and associated solar cell arrangement
US9461189B2 (en) 2012-10-04 2016-10-04 Solarcity Corporation Photovoltaic devices with electroplated metal grids
US9502590B2 (en) 2012-10-04 2016-11-22 Solarcity Corporation Photovoltaic devices with electroplated metal grids
US9865754B2 (en) 2012-10-10 2018-01-09 Tesla, Inc. Hole collectors for silicon photovoltaic cells
US11595000B2 (en) 2012-11-08 2023-02-28 Maxeon Solar Pte. Ltd. High efficiency configuration for solar cell string
US9281436B2 (en) 2012-12-28 2016-03-08 Solarcity Corporation Radio-frequency sputtering system with rotary target for fabricating solar cells
US10164127B2 (en) 2013-01-11 2018-12-25 Tesla, Inc. Module fabrication of solar cells with low resistivity electrodes
US9496427B2 (en) 2013-01-11 2016-11-15 Solarcity Corporation Module fabrication of solar cells with low resistivity electrodes
US10115839B2 (en) 2013-01-11 2018-10-30 Tesla, Inc. Module fabrication of solar cells with low resistivity electrodes
US9412884B2 (en) 2013-01-11 2016-08-09 Solarcity Corporation Module fabrication of solar cells with low resistivity electrodes
US10074755B2 (en) 2013-01-11 2018-09-11 Tesla, Inc. High efficiency solar panel
US9624595B2 (en) 2013-05-24 2017-04-18 Solarcity Corporation Electroplating apparatus with improved throughput
US9484484B2 (en) 2014-05-27 2016-11-01 Sunpower Corporation Shingled solar cell module
US9356184B2 (en) 2014-05-27 2016-05-31 Sunpower Corporation Shingled solar cell module
US11949026B2 (en) 2014-05-27 2024-04-02 Maxeon Solar Pte. Ltd. Shingled solar cell module
US11942561B2 (en) 2014-05-27 2024-03-26 Maxeon Solar Pte. Ltd. Shingled solar cell module
US9876132B2 (en) 2014-05-27 2018-01-23 Sunpower Corporation Shingled solar cell module
US9882077B2 (en) 2014-05-27 2018-01-30 Sunpower Corporation Shingled solar cell module
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