EP2321851A2 - Support pour cellules solaires et procédé de fabrication d'un ensemble de cellules solaires - Google Patents

Support pour cellules solaires et procédé de fabrication d'un ensemble de cellules solaires

Info

Publication number
EP2321851A2
EP2321851A2 EP09778196A EP09778196A EP2321851A2 EP 2321851 A2 EP2321851 A2 EP 2321851A2 EP 09778196 A EP09778196 A EP 09778196A EP 09778196 A EP09778196 A EP 09778196A EP 2321851 A2 EP2321851 A2 EP 2321851A2
Authority
EP
European Patent Office
Prior art keywords
carrier
solar cells
solar cell
suction
suction means
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.)
Withdrawn
Application number
EP09778196A
Other languages
German (de)
English (en)
Inventor
Jens Kalmbach
Walter Feist
Gerhard Klingebiel
Patrik MÜLLER
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.)
Schmid Technology Systems GmbH
Original Assignee
Schmid Technology Systems GmbH
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 Schmid Technology Systems GmbH filed Critical Schmid Technology Systems GmbH
Publication of EP2321851A2 publication Critical patent/EP2321851A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
    • 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
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
    • 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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1876—Particular processes or apparatus for batch treatment of the devices
    • H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/50—Multistep manufacturing processes of assemblies consisting of devices, each device being of a type provided for in group H01L27/00 or H01L29/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • 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

Definitions

  • the invention relates to a support for a plurality of solar cells and to a method for producing a composite of solar cells with one another with such a support.
  • chains or so-called strings are usually produced from usually five to ten solar cells. This is described for example in EP 1 748 495 A1.
  • adjacent solar cells are electrically contacted with each other and also mechanically fixed to each other.
  • the solar cells or the like on a work surface. be arranged.
  • these chains or strings are placed with the front sides on a glass plate and then made a module.
  • the invention has for its object to provide a support mentioned above and a method for using this carrier, with which problems of the prior art can be eliminated and in particular re solar cells as good as possible and protect mechanically on the support for further processing or connection can be secured together.
  • the carrier On the carrier a separate recording field is provided for each solar cell.
  • the carrier is plate-like and substantially formed as a closed plate.
  • Each receiving field has suction means for a solar cell applied thereon, wherein the suction means are distributed over the area of the receiving area or extended and formed in a planar manner.
  • a plurality of small holes or passages are provided in order to reach a solar cell placed thereon, or to reach them on the underside or to reach them for processing, with which it is designed for the carrier.
  • it can thus be processed through the support, for example with a soldering process for soldering contact wires.
  • each solar cell can be fixed or fixed and held equal after a single laying. This simplifies and improves in addition a positionally accurate fixation of many solar cells, which are placed on the carrier, for example, by means of computer-controlled and video-controlled robot arms. It is possible that the solar cells are placed individually and each applied solar cell is fixed immediately by activating the suction. This ensures that an optimal arrangement and assignment of the solar cells to each other actually takes place.
  • the carrier thus serves for temporarily holding the solar cells thereon in a processing step, wherein finally the interconnected solar cells are removed from the carrier for further processing or processing.
  • the receiving fields are advantageously formed substantially the same, in particular identical.
  • the design and production costs for a carrier can be reduced.
  • sixty receiving fields can be provided on a carrier in order to produce a module with sixty solar cells.
  • all recording fields are equally distributed and have the same distance from each other.
  • the solar cells along columns and rows are arranged, for example, along columns, the so-called strings and several, for example six, strings side by side as lines.
  • the distance between the recording fields can be a few mm up to, for example, 2 cm.
  • the distance between applied solar cells to each other should then be 2 mm to 3 mm or even less.
  • the suction means of a recording field extend over the largest area of the surface of this recording field or occupy the largest area.
  • this is at least 80% of the area of the recording field.
  • An up- It is particularly advantageous if it is somewhat smaller than a solar cell to be placed thereon so that the suction means occupy at least 70% to 80% of the area of a solar cell.
  • an edge may be provided around, for example, consists of a slightly softer material, which promotes the emergence of negative pressure for sucking the solar cell and ensures a scratch-free support of the solar cell.
  • the suction means are provided in the middle or in the central region of the receiving field. Particularly advantageous they leave free only a narrow edge region of the recording field, for example, with a width of about 1 cm or even less.
  • the suction means preferably have a surface of air-permeable or porous material. This may, for example, be a relatively stable or pressure-resistant, but porous or foam-like plastic.
  • the surface of this material advantageously forms the surface of the suction means, including the surface on which the solar cells rest with their applied bottom.
  • the surface of the suction means is advantageously approximately planar with the other surface of the carrier, so that application of negative pressure and suction is possible, in particular without significantly deflecting or bulging the solar cell towards the suction means.
  • the air-permeable or porous material of the above-described suction means to the side substantially sealed, in particular also downwards.
  • a vacuum connection to the material or an intake body formed therefrom can be provided both from below and from the side, possibly for a particularly good generation of a negative pressure at several locations per receiving field.
  • each receiving field or its suction means is provided with its own suction.
  • This suction is advantageous individually controlled or can also be closed individually.
  • a closable valve is provided, which is connected to a vacuum line or a vacuum pump. By opening the valve, the suction means are activated to fix an applied solar cell by suction.
  • a vent valve per suction means may be provided, so that a single solar cell can be removed from its recording field.
  • a vent valve for several or all receiving fields or the entire carrier may be provided for quick release of the solar cells.
  • the carrier may be formed so that it has a carrier plate, are introduced into the cutouts.
  • functional devices such as the suction odgl. used.
  • a support plate can be produced relatively easily and different, possibly in size, training and design different functional devices can be used.
  • a support plate may be made of metal, in particular of a solid or integral metal plate. To save weight, recesses can be milled in this way in the usual way. Otherwise, however, the carrier should be as flat and distortion-free as possible, so that the application of the solar cells to a glass plate in the production of the module can be done as well as possible.
  • the holes or passages mentioned at the outset for reaching the solar cell also through the carrier can in each case be formed on one side or on an edge of a receiving field in a so-called hole body.
  • a perforated body may be made of plastic and be approximately rectangular and have the holes, for example, two holes.
  • This hole body can in a corresponding recess in the carrier, possibly also in the suction means, flush and fit to be used.
  • At least one recess may be provided in its surface in the carrier or the aforementioned carrier plate along two parallel outer sides of the region of the carrier on which the receiving fields are provided.
  • a transverse contact wire can be inserted, and he is doing so close to the adjacent recording fields that thereupon applied solar cells with its edge are very close to the recess.
  • protruding contact wires can reach the transverse contact wire with a small length and fixed by soldering to this.
  • these cross-contact wires several strings of solar cells are connected by parallel connection to a module. These strings also form the essential electrical connection of the solar cells or of the module to the outside.
  • the laying of the solar cells on a support according to the invention is advantageously carried out such that the solar cells are prefabricated with contact wires, in particular three contact wires, on its front side. These solar cells are then placed accurately on one end of a string or a column of recording fields on the carrier. Then, a second solar cell is placed on the first with a very small distance such that its underside rests on a protrusion region of the contact wire of the previous solar cell. Then an electrical connection, advantageously as soldering. During the soldering time, the next prefabricated solar cell can already be brought in and applied. How to proceed until all the solar cells of a string or a column of recording fields are placed and soldered.
  • the carrier After placing and soldering all the solar cells with each other and also with the above-described transverse contact wires, the carrier, which was hitherto advantageously kept in one place during the placement of the solar cells, further transported.
  • the vacuum can be maintained at the suction means, for example by running vacuum connections, in particular in the manner of a lateral chain.
  • the carrier is moved to another workstation in which it is pivoted through 180 ° such that the front sides of the solar cells facing down.
  • the carrier with the solar cells is accurately placed on a prepared glass pane such that the solar cells rest on the glass pane or arranged thereon, provided for producing a laminate composite film and are held immovable by their properties.
  • the suction can be disabled or the solar cells are released from the carrier, the carrier is removed and then the further processing can be done as a finished module in a known manner.
  • Fig. 1 is an oblique view of a carrier according to the invention with a
  • FIG. 2 shows a plan view of the carrier according to FIG. 1 and
  • FIG 3 is a greatly enlarged view of some recording fields in detail according to FIG. 2.
  • a plate-shaped carrier 11 which consists essentially of a thick plate 12. Its dimensions can be just under 2 m in length and slightly less than 1.5 m in width, but of course also deviating, as well as the ratio of length to width.
  • the plate 12 has a substantially planar top 13 and a flat bottom 14 and a right side edge 15, which can be seen in Fig. 1.
  • the central or central region of the carrier 11 forms a receiving area 17 with a plurality of receiving fields according to the invention 19. These receiving fields 19 are arranged in the manner of columns 20 in the longitudinal direction of the carrier 11, namely ten receiving fields 19 in a row. Six columns 20 are provided one above the other. All placed on these receiving fields 19 solar cells should then form a finished module. Of course, number and / or size may vary.
  • gripping holes 21 are provided, on which the carrier 11, possibly with applied solar cells, can be handled and moved.
  • the receiving fields 19 have an approximately quadrangular or square suction body 26 with a suction surface 27 as the top.
  • These suction bodies 26 and the suction surfaces 27 should lie on the same level as the upper te 13 of the plate 12, or only minimally different, and then rather a little higher.
  • the suction body 26 are not directly inserted into recesses in the plate 12, but the plate 12 in Fig. 2 from top to bottom extending, elongated recesses, in which elongated plastic frame 28 are used. These plastic frames 28 can each accommodate three suction bodies 26.
  • this plastic frame 28 is that thus a better fit and tightness to the side and thus sealing the side of the suction 26 is possible, as if this would be used directly in the metallic plate 12.
  • the suction surface 27 is interrupted by three in Fig. 3 extending from left to right recesses 31, which also find at least in a region of the plastic frame 28 as a continuation. In these recesses 31 can be attached to the underside of an applied solar cell contact wires, so that the solar cell rests with most of its surface on the suction surface 27 and not on the contact wires themselves. This ensures a good circulation.
  • each perforated body 33 is inserted into corresponding cutouts in the intake body 26, the plastic frame 28 and the plate 12 as an extension of the recesses 31.
  • These hole bodies 33 are advantageously also made of plastic and have two holes 34 in the longitudinal extension of the recesses 31 in a row. Through these holes 34, which pass through the entire plate 12, a soldering of the extending in the recesses 31 contact wires to an applied solar cell can be carried out in the manner described above from below with a laser beam.
  • a perforated body 33 is fastened by two fastening screws 35.
  • the contact wire may be similar as in the recess 31, a recess 36 is also provided here.
  • some solar cells 40 are shown in dashed lines. In these it can be seen that they are arranged with only a very small distance, in particular 1 mm to 3 mm, to each other on the receiving fields 19 in the receiving area 17. Furthermore, it can be seen that in each case both holes 34 of a hole body 33 are on a receiving field 19 under a solar cell 40, although the outer very close to the edge.
  • each of a right next to the hole body 33 lying solar cell 40 contact wires, not shown are bent from the top down and extend in the recess 36 and the recesses 31. Then, a further solar cell 40 is placed on the receiving field 19 of this hole body 33 such that its underside comes into contact with the contact wire. A soldering by means of laser is then carried out through the holes 34, thus producing a mechanical and, above all, electrical connection between two adjacent solar cells 40.
  • the vacuum connections 23 on the right side edge 15 of the carrier 11, one of which leads to a receiving field 19, can be seen in Fig. 1 well.
  • the same negative pressure connections 23 are provided, for example, for the left half of the receiving fields 19.
  • vacuum lines can be connected, preferably with the valves or shut-off means mentioned above.
  • Such valves or the like. can also be attached directly to the side of the carrier 11 and thus belong to the carrier, so that only one or two vacuum connections are necessary, for example one per side edge. This makes a connection with regard to possible vacuum lines very easy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)

Abstract

L'invention concerne un support pour plusieurs cellules solaires, présentant, pour chaque cellule solaire, un champ de réception propre pour la pose de la cellule solaire. Le support est en forme de panneau et essentiellement conçu en tant que panneau fermé, chaque champ de réception présentant des éléments d'aspiration pour une cellule solaire posée. Plusieurs petits trous ou passages sont prévus sur chaque champ de réception pour accéder à une cellule solaire posée ou pour atteindre la cellule solaire également par l'autre côté du support, au niveau de son côté inférieur posé sur le support, pour la mise en oeuvre d'un soudage par contact par exemple.
EP09778196A 2008-08-29 2009-08-28 Support pour cellules solaires et procédé de fabrication d'un ensemble de cellules solaires Withdrawn EP2321851A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810046328 DE102008046328A1 (de) 2008-08-29 2008-08-29 Träger für Solarzellen und Verfahren zur Bearbeitung von Solarzellen
PCT/EP2009/006267 WO2010022976A2 (fr) 2008-08-29 2009-08-28 Support pour cellules solaires et procédé de fabrication d'un ensemble de cellules solaires

Publications (1)

Publication Number Publication Date
EP2321851A2 true EP2321851A2 (fr) 2011-05-18

Family

ID=41582063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09778196A Withdrawn EP2321851A2 (fr) 2008-08-29 2009-08-28 Support pour cellules solaires et procédé de fabrication d'un ensemble de cellules solaires

Country Status (8)

Country Link
US (1) US20110162694A1 (fr)
EP (1) EP2321851A2 (fr)
JP (1) JP2012501081A (fr)
CN (1) CN102160187B (fr)
CA (1) CA2734934A1 (fr)
DE (1) DE102008046328A1 (fr)
TW (1) TW201021152A (fr)
WO (1) WO2010022976A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9126392B1 (en) * 2007-11-01 2015-09-08 Sandia Corporation Photovoltaic solar concentrator
DE102010026338A1 (de) 2010-07-07 2012-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Fixiervorrichtung für Solarzellen sowie Verfahren zur Fixierung von Solarzellen
US9978895B2 (en) 2013-10-31 2018-05-22 National Technology & Engineering Solutions Of Sandia, Llc Flexible packaging for microelectronic devices

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US4154998A (en) * 1977-07-12 1979-05-15 Trw Inc. Solar array fabrication method and apparatus utilizing induction heating
US4350836A (en) * 1980-10-14 1982-09-21 The United States Of America As Represented By The United States Department Of Energy Solar array construction
US4872607A (en) * 1988-02-04 1989-10-10 Texas Instruments Incorporated Method of bonding semiconductor material to an aluminum foil
US5289999A (en) * 1990-07-04 1994-03-01 Schottel Werft Joseph Becker Gmbh & Co. Kg Apparatus for mounting solar cells
IT1272665B (it) * 1993-09-23 1997-06-26 Eurosolare Spa Procedimento per la preparazione di moduli fotovoltaici a base di silicio cristallino
DE102004032604B4 (de) * 2004-07-06 2006-05-18 Lenhardt Maschinenbau Gmbh Verfahren und Vorrichtung zum Zusammenbauen eines Solarzellenmoduls
DE102005036130A1 (de) 2005-07-26 2007-02-01 Ernst Knoll Feinmechanik Gmbh Verfahren und Vorrichtung zum Herstellen eines Solarzellenstring
DE102006007447A1 (de) * 2005-12-30 2007-07-12 Teamtechnik Maschinen Und Anlagen Gmbh Solarzellen-Verbindungsvorrichtung, Streifen-Niederhaltevorrichtung und Transportvorrichtung für eine Solarzellen-Verbindungsvorrichtung
DE102006015686C5 (de) * 2006-03-27 2013-05-29 Thieme Gmbh & Co. Kg Verfahren zum Transportieren von Druckgut und Drucktisch für Flachbettdruckmaschine
SE0601150L (sv) * 2006-05-24 2007-07-03 Goeran Fajerson Metod för tillverkning av fotovoltaiska celler och moduler från kiselskivor
DE102006034492B4 (de) * 2006-07-21 2014-06-26 Teamtechnik Maschinen Und Anlagen Gmbh Solarzellen-Verbindungsanlage
US7804021B2 (en) * 2007-02-23 2010-09-28 Lintec Corporation Light transmissible solar cell module, process for manufacturing same, and solar cell panel thereof

Non-Patent Citations (1)

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Title
See references of WO2010022976A2 *

Also Published As

Publication number Publication date
CA2734934A1 (fr) 2010-03-04
JP2012501081A (ja) 2012-01-12
US20110162694A1 (en) 2011-07-07
WO2010022976A3 (fr) 2010-05-06
CN102160187B (zh) 2013-08-21
WO2010022976A2 (fr) 2010-03-04
DE102008046328A1 (de) 2010-03-04
TW201021152A (en) 2010-06-01
CN102160187A (zh) 2011-08-17

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