WO2007088485A2 - Roof tile and method of manufacturing a roof tile - Google Patents

Roof tile and method of manufacturing a roof tile Download PDF

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Publication number
WO2007088485A2
WO2007088485A2 PCT/IB2007/000272 IB2007000272W WO2007088485A2 WO 2007088485 A2 WO2007088485 A2 WO 2007088485A2 IB 2007000272 W IB2007000272 W IB 2007000272W WO 2007088485 A2 WO2007088485 A2 WO 2007088485A2
Authority
WO
WIPO (PCT)
Prior art keywords
solar cell
roof tile
mould
roof
polymer
Prior art date
Application number
PCT/IB2007/000272
Other languages
French (fr)
Other versions
WO2007088485A3 (en
Inventor
Pieter Wouter Du Toit
Original Assignee
Pieter Wouter Du Toit
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 Pieter Wouter Du Toit filed Critical Pieter Wouter Du Toit
Publication of WO2007088485A2 publication Critical patent/WO2007088485A2/en
Publication of WO2007088485A3 publication Critical patent/WO2007088485A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2068—Panels or arrays of photoelectrochemical cells, e.g. photovoltaic modules based on photoelectrochemical cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • H02S20/25—Roof tile elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
    • H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • Y02E10/542—Dye sensitized solar cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • THIS INVENTION relates to photo voltaic cells or solar cells for use on the roofs of buildings.
  • the invention relates to a roof tile incorporating a solar cell and to a method of manufacturing such a roof tile.
  • inorganic solar cells have been mounted to roof tiles comprising resin and inorganic fillers.
  • the disadvantages of this type of roof tile are that the manufacture of tiles of this type is presently time consuming and mounting of the solar cells to the tiles involves an additional process step. The production cost of the tiles is thus quite high. Further, the bond between the solar cells and the resin is often too weak to last for the typical life span of a roof tile, of a number of years, if not decades.
  • the present invention seeks to provide an improved roof tile incorporating a solar cell, which can be made in a cost effective manner with good bonding between the solar cell and the tile.
  • a roof tile comprising a moulded body of a thermoplastic polymer and a solar cell that is thermally bonded to the body in direct contact with the body.
  • the solar cell may comprise of a number of layers and the outer layers of the solar cell may form an insulating and transparent polymer substrate.
  • the other layers of the solar cell may include, but is not limited to at least one of: a transparent conducting layer; a dye-sensitized semiconductor; an electrolyte; and a counter electrode.
  • the body may include a filler and/or reinforcing fibres in the polymer.
  • the roof tile may include a self cleaning, water absorbing layer on the side of the solar cell that is opposite from the body.
  • the body may include attachment formations, configured to attach adjacent roof tiles to one another and may define at least one aperture, configured to receive an electrical conductor connected to the solar cell, so that the electric power generated from the solar cell may be inverted to be used in practical applications, e.g. within a building covered by the roof tile.
  • a method of manufacturing a roof tile as described herein above comprising placing the solar cell in a mould adjacent one side of the mould, closing the mould to form a mould cavity adjacent the solar cell, injecting molten plastic material into the mould cavity so that the molten plastic thermally bonds to one side of the solar cell and forms the body of the roof tile.
  • Figure 1 is a sectional view through a roof tile in accordance with a first embodiment of the present invention.
  • Figure 2 is a sectional view through a roof tile in accordance with a second embodiment of the present invention.
  • Figure 3 is a sectional view through part of the roof tile of Figure 1.
  • a roof tile in accordance with the present invention is generally indicated by reference numeral 10 and a solar cell for use in the present invention is generally indicated by reference numeral 12.
  • Solar cells 12 are available that incorporate organic materials in their outer layers 14,26.
  • One example of such a solar cell 12 that is suitable for use in the present invention, is one that includes the following layers:
  • Insulating and transparent polymer substrate layer 14 e.g. poly(ethylene terephtalate)(PET)
  • Transparent conducting layer 16 e.g. fluorine-doped tin oxide (FTO) or tin- doped indium oxide (ITO)
  • Dye-sensitized semiconductor layer 18 e.g. titanium dioxide (TiO 2 )
  • Counter electrode layer 22 e.g. platinum film
  • Transparent conducting layer 24 e.g. FTO or ITO
  • Insulating and transparent polymer substrate layer 26 e.g. PET
  • the substrate layer 14 of the solar cell 12 on the side from which it is to receive solar radiation 28 in use need not be of a polymer and can for instance be glass, but in such a case, the opposite side of the solar cell must have a polymeric substrate layer 26.
  • the solar cell 12 is placed in a mould for injection moulding of a roof tile 10 with its polymer substrate layer 26 facing the cavity of the mould and the mould is closed with the solar cell 12 adjacent its one side and with the polymeric layer 26 facing the mould cavity.
  • the side of the solar cell that faces away from the mould cavity must be the side that is intended to receive solar radiation for the solar cell to operate.
  • Molten polymer is injected into the mould cavity under pressure and comes into contact with the surface of the polymer substrate 26 of the solar cell.
  • the molten polymer bonds with the substrate layer of the solar cell and then cools to solidify or freeze in the form of the body 30 of a roof tile.
  • the mould opens and the roof tile 10 incorporating the solar cell 12, is removed form the mould, before the process is repeated in another cycle.
  • the positioning of the solar cell 12 against the side of the mould is done in such a way as to ensure that no molten polymer covers the side of the solar cell facing away from the mould cavity, i.e. the surface of the substrate layer 14. This is necessary to ensure that this side of the solar cell 12 is exposed to solar radiation 28 once the tile 10 has been installed.
  • This exposed substrate layer 14 can preferably be self cleaning and/or can be covered with a water absorbent layer that is self cleaning by absorbing water and preventing water drops that may form on the solar cell's surface, causing deposit of dirt and dust.
  • the molten polymer could include any suitable inclusions such as additives, fillers, etc.
  • the polymer includes a filler and reinforcing fibres, such as glass fibres, to provide strength to the roof tile.
  • the molten polymer should preferably be the same as the polymer of the substrate layer 26 of the solar cell 12 facing the mould cavity, to ensure a good bond between the substrate layer and the body 30. However, some variations of polymer types may yield acceptable results.
  • the temperature at which the molten polymer comes into contact with the solar cell 12 must be sufficient to ensure thermal bonding between the polymeric substrate layer 26 of the solar cell and the molten polymer, yet low enough not to damage the solar cell.
  • the body 30 can have practically any three dimensional geometry and can include attachment formations 32 for attaching the tile 10 to adjacent tiles, brackets for attachment to the roof structure so that it cannot be blown off the roof, or the like.
  • the roof tile 10 can have the same geometry of conventional roof tiles, so that it can be interchangeable with existing roof tiles and/or can be used in conjunction with existing roof tiles.
  • the applicant is aware of high speed processes that are being developed for injection moulding of polymers with fibre inclusions, using relatively low injection pressures and inhibiting damage to the fibres during moulding.
  • These high speed moulding processes would be ideally suited for producing the roof tiles 10 of the present invention at high rates. These processes further allow the tiles to have almost any desired shape, such as a three dimensional shape, so that they can include attachment formations for installation, complemental formations that allow adjacent tiles to be attached to one another, or the like.
  • the roof tiles could also be configured to have apertures 34 through which conductors 36 can pass from the solar cells 12.
  • the solar cell 12 can be included in a roof tile 10 at the underside of the body 30.
  • the solar cell 12 has the same construction as that described above with reference to Figures 1 and 3, but in this embodiment, the uppermost substrate layer 14 has to be of a suitable polymer to bond to the body 30.
  • the tile 10 is made in the same manner as described above, except that the substrate layer 14 faces the mould cavity and the substrate layer 26 faces the side of the mould, but need not be kept clear of any molten polymer.
  • the body 30 In order to allow sufficient solar radiation 28 to reach the solar cell 12, the body 30 must be made of a transparent polymer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)

Abstract

A roof tile (10) and a method for making the roof tile are provided. The roof tile (10) has a body (30) and a solar cell (12) that is bonded in direct contact to the body (30). The body (30) is a moulded body of a thermoplastic polymer and the solar cell (12) is thermally bonded to the body. The roof tile (10) is manufactured by placing the solar cell (12) in a mould against one side of the mould, closing the mould to form a mould cavity on the other side of the solar cell and injecting molten plastic material into the mould cavity to bond thermally to the side of the solar cell (12) and to form the body (30) of the roof tile.

Description

ROOF TILE AND METHOD OF MANUFACTURING A ROOF TILE
FIELD OF THE INVENTION
THIS INVENTION relates to photo voltaic cells or solar cells for use on the roofs of buildings. In particular, the invention relates to a roof tile incorporating a solar cell and to a method of manufacturing such a roof tile.
BACKGROUND TO THE INVENTION
Solar cells, by their nature, need to be exposed to sunlight and in densely built-up areas, the most suitable location for their installation is on the roofs of buildings. However, these installations typically require additional support structures for the solar cells that extend above the roofs and installation of these structures result in excessive weight, wasted materials, unsightliness and wasted manpower.
Attempts have been made to overcome these disadvantages by incorporating solar cells in roof tiles, but these roof tiles developed to date have significant disadvantages that inhibit their practical use.
In particular, inorganic solar cells have been mounted to roof tiles comprising resin and inorganic fillers. The disadvantages of this type of roof tile are that the manufacture of tiles of this type is presently time consuming and mounting of the solar cells to the tiles involves an additional process step. The production cost of the tiles is thus quite high. Further, the bond between the solar cells and the resin is often too weak to last for the typical life span of a roof tile, of a number of years, if not decades.
Other attempts at incorporating solar cells in roof tiles involve placing the solar cell in a mould and then casting a roof tile in the mould using an inorganic slurry. While this type of manufacturing reduces the number of process steps required to produce roof tiles incorporating solar cells, the bond between the roof tiles and solar cells in these cases are typically also too poor to last in long term practical use.
The present invention seeks to provide an improved roof tile incorporating a solar cell, which can be made in a cost effective manner with good bonding between the solar cell and the tile.
BRIEF DESCRIPTION OF THE INVENTION
According to one aspect of the present invention there is provided a roof tile comprising a moulded body of a thermoplastic polymer and a solar cell that is thermally bonded to the body in direct contact with the body.
The solar cell may comprise of a number of layers and the outer layers of the solar cell may form an insulating and transparent polymer substrate. The other layers of the solar cell may include, but is not limited to at least one of: a transparent conducting layer; a dye-sensitized semiconductor; an electrolyte; and a counter electrode.
The body may include a filler and/or reinforcing fibres in the polymer.
The roof tile may include a self cleaning, water absorbing layer on the side of the solar cell that is opposite from the body.
The body may include attachment formations, configured to attach adjacent roof tiles to one another and may define at least one aperture, configured to receive an electrical conductor connected to the solar cell, so that the electric power generated from the solar cell may be inverted to be used in practical applications, e.g. within a building covered by the roof tile.
According to another aspect of the present invention there is provided a method of manufacturing a roof tile as described herein above, said method comprising placing the solar cell in a mould adjacent one side of the mould, closing the mould to form a mould cavity adjacent the solar cell, injecting molten plastic material into the mould cavity so that the molten plastic thermally bonds to one side of the solar cell and forms the body of the roof tile. BRIEF DESCRIPTION OF THE DRAWINGS
For a better understanding of the present invention, and to show how the same may be carried into effect, the invention will now be described by way of non-limiting example with reference to the accompanying diagrammatic drawings.
In the drawings:
Figure 1 is a sectional view through a roof tile in accordance with a first embodiment of the present invention; '
Figure 2 is a sectional view through a roof tile in accordance with a second embodiment of the present invention; and
Figure 3 is a sectional view through part of the roof tile of Figure 1.
DETAIL DESCRIPTION OF THE DRAWINGS
Referring to the drawings, a roof tile in accordance with the present invention is generally indicated by reference numeral 10 and a solar cell for use in the present invention is generally indicated by reference numeral 12.
Solar cells 12 are available that incorporate organic materials in their outer layers 14,26. One example of such a solar cell 12 that is suitable for use in the present invention, is one that includes the following layers:
Insulating and transparent polymer substrate layer 14 (e.g. poly(ethylene terephtalate)(PET))
Transparent conducting layer 16 (e.g. fluorine-doped tin oxide (FTO) or tin- doped indium oxide (ITO)) Dye-sensitized semiconductor layer 18 (e.g. titanium dioxide (TiO2))
Electrolyte layer 20
Counter electrode layer 22 (e.g. platinum film)
Transparent conducting layer 24 (e.g. FTO or ITO)
Insulating and transparent polymer substrate layer 26 (e.g. PET)
Referring to Figures 1 and 3, the substrate layer 14 of the solar cell 12 on the side from which it is to receive solar radiation 28 in use, need not be of a polymer and can for instance be glass, but in such a case, the opposite side of the solar cell must have a polymeric substrate layer 26.
The solar cell 12 is placed in a mould for injection moulding of a roof tile 10 with its polymer substrate layer 26 facing the cavity of the mould and the mould is closed with the solar cell 12 adjacent its one side and with the polymeric layer 26 facing the mould cavity. The side of the solar cell that faces away from the mould cavity must be the side that is intended to receive solar radiation for the solar cell to operate.
Molten polymer is injected into the mould cavity under pressure and comes into contact with the surface of the polymer substrate 26 of the solar cell. The molten polymer bonds with the substrate layer of the solar cell and then cools to solidify or freeze in the form of the body 30 of a roof tile. Once the polymer has frozen, the mould opens and the roof tile 10 incorporating the solar cell 12, is removed form the mould, before the process is repeated in another cycle. The positioning of the solar cell 12 against the side of the mould is done in such a way as to ensure that no molten polymer covers the side of the solar cell facing away from the mould cavity, i.e. the surface of the substrate layer 14. This is necessary to ensure that this side of the solar cell 12 is exposed to solar radiation 28 once the tile 10 has been installed. This exposed substrate layer 14 can preferably be self cleaning and/or can be covered with a water absorbent layer that is self cleaning by absorbing water and preventing water drops that may form on the solar cell's surface, causing deposit of dirt and dust.
The molten polymer could include any suitable inclusions such as additives, fillers, etc. In this preferred embodiment, the polymer includes a filler and reinforcing fibres, such as glass fibres, to provide strength to the roof tile.
The molten polymer should preferably be the same as the polymer of the substrate layer 26 of the solar cell 12 facing the mould cavity, to ensure a good bond between the substrate layer and the body 30. However, some variations of polymer types may yield acceptable results. The temperature at which the molten polymer comes into contact with the solar cell 12 must be sufficient to ensure thermal bonding between the polymeric substrate layer 26 of the solar cell and the molten polymer, yet low enough not to damage the solar cell.
The body 30 can have practically any three dimensional geometry and can include attachment formations 32 for attaching the tile 10 to adjacent tiles, brackets for attachment to the roof structure so that it cannot be blown off the roof, or the like. Importantly, the roof tile 10 can have the same geometry of conventional roof tiles, so that it can be interchangeable with existing roof tiles and/or can be used in conjunction with existing roof tiles.
The applicant is aware of high speed processes that are being developed for injection moulding of polymers with fibre inclusions, using relatively low injection pressures and inhibiting damage to the fibres during moulding. These high speed moulding processes would be ideally suited for producing the roof tiles 10 of the present invention at high rates. These processes further allow the tiles to have almost any desired shape, such as a three dimensional shape, so that they can include attachment formations for installation, complemental formations that allow adjacent tiles to be attached to one another, or the like. The roof tiles could also be configured to have apertures 34 through which conductors 36 can pass from the solar cells 12.
Referring to Figure 2, in another embodiment of the present invention, the solar cell 12 can be included in a roof tile 10 at the underside of the body 30. The solar cell 12 has the same construction as that described above with reference to Figures 1 and 3, but in this embodiment, the uppermost substrate layer 14 has to be of a suitable polymer to bond to the body 30. The tile 10 is made in the same manner as described above, except that the substrate layer 14 faces the mould cavity and the substrate layer 26 faces the side of the mould, but need not be kept clear of any molten polymer. In order to allow sufficient solar radiation 28 to reach the solar cell 12, the body 30 must be made of a transparent polymer. This has the disadvantage that the polymer used for the bodies 30 of the roof tiles 10 as shown in Figure 2 is typically much more expensive than the polymers used for the roof tiles as shown in Figures 1 and 3, but the cost needs to be set off against advantages such as the protection of the solar cell 12 by the overlying body 30 in the embodiment shown in Figure 2.

Claims

1. A roof tile 10 comprising a body 30 and a solar cell 12 that is bonded to the body 30 in direct contact with the body, characterised in that said body 30 is a moulded body of a thermoplastic polymer and said solar cell 12 is thermally bonded to said body.
2. A roof tile 10 as claimed in claim 1 , characterised in that the solar cell 12 comprises of a number of layers and at least one outer layer 14,26 of the solar cell forms an insulating and transparent polymer substrate.
3. ■ A roof tile 10 as claimed in claim 2, characterised in that the other layers of the solar cell include, but are not limited to at least one of: a, transparent conducting layer 16; a dye-sensitized semiconductor 18; an electrolyte 20; and a counter electrode 22.
4. A roof tile 10 as claimed in any one of the preceding claims, characterised in that the body 30 includes a filler and/or reinforcing fibres in the polymer.
5. A roof tile 10 as claimed in any one of the preceding claims, characterised in that the roof tile includes a self cleaning, water absorbing layer 14 on the side of the solar cell that is opposite from the body 30.
6. A roof tile 10 as claimed in any one of the preceding claims, characterised in that the body 30 includes attachment formations 32, configured to attach adjacent roof tiles to one another.
7. A roof tile 10 as claimed in any one of the preceding claims, characterised in that the body 30 defines at least one aperture 34, configured to receive an electrical conductor 34 connected to the solar cell 12.
8. A method of manufacturing a roof tile 10 as claimed in any one of claims 1 to 7, said method being characterised by the steps of placing the solar cell 12 in a mould adjacent one side of the mould, closing the mould to form a mould cavity adjacent the solar cell, injecting molten plastic material into the mould cavity so that the molten plastic thermally bonds to one side of the solar cell and forms the body 30 of the roof tile.
PCT/IB2007/000272 2006-02-03 2007-02-05 Roof tile and method of manufacturing a roof tile WO2007088485A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76477506P 2006-02-03 2006-02-03
US60/764,775 2006-02-03

Publications (2)

Publication Number Publication Date
WO2007088485A2 true WO2007088485A2 (en) 2007-08-09
WO2007088485A3 WO2007088485A3 (en) 2007-11-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8375653B2 (en) 2007-11-06 2013-02-19 Certainteed Corporation Photovoltaic roofing elements including tie layer systems
US9178465B2 (en) 2007-11-06 2015-11-03 Certainteed Corporation Photovoltaic roofing elements including tie layer systems and roofs using them
DE102018215494A1 (en) * 2018-09-12 2020-03-12 Solibro Hi-Tech Gmbh Holding device for a solar module, arrangement and method for producing an arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164020A (en) * 1991-05-24 1992-11-17 Solarex Corporation Solar panel
DE10104297A1 (en) * 2000-02-01 2001-08-02 Sylvia Bold Tile arrangement for building roof or external wall has tiles with solar cells in non-overlapping areas that contact electrical cables integrated into beams when tiles fixed to beams
US20050260786A1 (en) * 2002-08-13 2005-11-24 Bridgestone Corporation Dye-sensitized solar cell
WO2005124892A2 (en) * 2004-06-09 2005-12-29 Tom Faust Devulcanized photovoltaic roofing tiles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164020A (en) * 1991-05-24 1992-11-17 Solarex Corporation Solar panel
DE10104297A1 (en) * 2000-02-01 2001-08-02 Sylvia Bold Tile arrangement for building roof or external wall has tiles with solar cells in non-overlapping areas that contact electrical cables integrated into beams when tiles fixed to beams
US20050260786A1 (en) * 2002-08-13 2005-11-24 Bridgestone Corporation Dye-sensitized solar cell
WO2005124892A2 (en) * 2004-06-09 2005-12-29 Tom Faust Devulcanized photovoltaic roofing tiles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8375653B2 (en) 2007-11-06 2013-02-19 Certainteed Corporation Photovoltaic roofing elements including tie layer systems
US8438796B2 (en) 2007-11-06 2013-05-14 Certainteed Corporation Photovoltaic roofing elements including tie layer systems, and roofs using them, and methods for making them
US9178465B2 (en) 2007-11-06 2015-11-03 Certainteed Corporation Photovoltaic roofing elements including tie layer systems and roofs using them
DE102018215494A1 (en) * 2018-09-12 2020-03-12 Solibro Hi-Tech Gmbh Holding device for a solar module, arrangement and method for producing an arrangement
DE102018215494B4 (en) 2018-09-12 2021-12-16 NICE Solar Energy GmbH Holding device for a solar module, arrangement and method for producing an arrangement

Also Published As

Publication number Publication date
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