EP4000104A1 - Procédé de fabrication d'un collecteur photovoltaïque et collecteur photovoltaïque - Google Patents
Procédé de fabrication d'un collecteur photovoltaïque et collecteur photovoltaïqueInfo
- Publication number
- EP4000104A1 EP4000104A1 EP20740623.2A EP20740623A EP4000104A1 EP 4000104 A1 EP4000104 A1 EP 4000104A1 EP 20740623 A EP20740623 A EP 20740623A EP 4000104 A1 EP4000104 A1 EP 4000104A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- encapsulation
- photovoltaic
- molding
- mold
- encapsulation material
- 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- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title description 5
- 238000005538 encapsulation Methods 0.000 claims abstract description 185
- 239000000463 material Substances 0.000 claims abstract description 141
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims abstract description 15
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000001175 rotational moulding Methods 0.000 claims description 60
- 238000001746 injection moulding Methods 0.000 claims description 29
- 238000000465 moulding Methods 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 25
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 39
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920001684 low density polyethylene Polymers 0.000 description 7
- 239000004702 low-density polyethylene Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 229920001903 high density polyethylene Polymers 0.000 description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
- H10F19/804—Materials of encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
-
- 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
- TITLE Manufacturing process of a photovoltaic collector and photovoltaic collector
- the present invention relates to photovoltaic collectors (or photovoltaic panels) and in particular to their manufacture.
- a photovoltaic collector is generally of general planar shape and formed of a laminated stack comprising, in superposition, a transparent protective front plate, a front encapsulation layer, a layer of photovoltaic cells and connections for the interconnection of the photovoltaic cells. and their connection to a connection box making it possible to connect the photovoltaic cells to a load, a rear encapsulation layer and a support back plate, the stack being framed by a support frame and the connection box being generally arranged on the back support plate.
- the protective front plate is designed to protect the photovoltaic collector from bad weather and receive solar radiation. It is for example made of glass.
- the front and back encapsulation layers sandwich the photovoltaic cells to encapsulate and protect them.
- the encapsulation layers are made, for example, of ethylene vinyl acetate (EVA).
- the back support plate and the frame are designed to support the entire photovoltaic collector and for its attachment to a support structure.
- the back support plate is for example made of glass or of polyvinyl fluoride (PVF).
- the frame is made for example of metal, in particular aluminum
- the photovoltaic collector is fabricated, for example, by providing the protective front plate, the encapsulation layers and the supporting back plate, then forming the assembly comprising the photovoltaic cells sandwiched between the encapsulation layers, then adding the front protection plate and the back support plate, and securing them inside the frame.
- the invention provides a method of manufacturing a photovoltaic collector configured to convert solar radiation into electrical energy, the photovoltaic collector comprising at least one photovoltaic cell, each photovoltaic cell being encapsulated in an encapsulation substrate, the manufacturing process comprising the production of the encapsulation substrate by shaping at least one encapsulation material in the liquid state on each photovoltaic cell.
- the shaping of an encapsulation substrate in the liquid state enables the encapsulation substrate to be easily formed into the desired shape.
- shaping of a liquid encapsulation substrate can be accomplished easily, inexpensively and on a large scale.
- the shaping of an encapsulation substrate in the liquid state is carried out, for example, by injection molding, by rotational molding and / or by extrusion molding.
- the shaping of an encapsulation substrate in the liquid state can also make it possible to arrange the photovoltaic cells along a non-planar surface, for example a concave surface or a convex surface, to improve the efficiency of photovoltaic collectors. converting solar radiation into electricity.
- the manufacturing process comprises one or more of the following optional characteristics, taken in isolation or in any technically possible combination:
- - shaping includes placing each photovoltaic cell in a rotational molding mold, introducing said encapsulating material into the rotational molding mold, and molding this encapsulating material into the rotational molding mold;
- - It comprises the introduction of a first encapsulation material into the rotomolding mold and the molding of this first encapsulation material in the liquid state in the rotomoulding mold with at least partial solidification of this first material of encapsulation, opening the rotational molding mold, introducing each photovoltaic cell into the rotational molding mold, introducing a second encapsulating material into the rotational molding mold, and molding this second encapsulating material in the liquid state in the rotational molding mold and on each photovoltaic cell;
- the first encapsulating material and the second encapsulating material are identical;
- At least one said encapsulation material is shaped on each photovoltaic cell by injection molding
- At least one said encapsulation material is shaped on each photovoltaic cell by extrusion molding
- each encapsulation material is shaped on at least one connection element configured to electrically connect several photovoltaic cells between them and / or to electrically connect each encapsulated photovoltaic cell to a connection box for the electrical connection of the photovoltaic collector to a power grid or load.
- the invention also relates to a photovoltaic collector comprising an encapsulation substrate and at least one photovoltaic cell, each photovoltaic cell being encapsulated in the encapsulation substrate, the encapsulation substrate being at least partly overmolded on each photovoltaic cell.
- Figure 1 is a schematic sectional view of a photovoltaic collector
- Figure 2 is a schematic sectional view of a rotational molding mold during a molding step of a first encapsulation material
- Figure 3 is a schematic sectional view of the rotational molding of Figure 2 during a step of introducing photovoltaic cells;
- Figure 4 is a schematic sectional view of the rotational molding of Figure 2 during a molding step of a second encapsulation material on the first encapsulation material and the photovoltaic cells;
- Figure 5 is a schematic sectional view of an injection molding mold during a molding step of a first encapsulating material
- Figure 6 is a schematic sectional view of an injection molding mold for molding a second encapsulation material onto the first encapsulation material and the photovoltaic cells;
- Figure 7 is a schematic view of a molding step of a first encapsulation material by extrusion molding on the photovoltaic cells.
- Figure 8 is a schematic view of a molding step of a second encapsulation material by extrusion molding on the first encapsulation material and the photovoltaic cells.
- the photovoltaic collector 2 (or photovoltaic panel) shown in Figure 1 is configured to receive solar radiation S and convert it into electrical energy.
- the photovoltaic collector 2 comprises photovoltaic cells 4 and connection elements 6 encapsulated in an encapsulation substrate 8.
- the encapsulation substrate 8 surrounds the photovoltaic cells 4. Each photovoltaic cell 4 receives solar radiation S through the encapsulation substrate 8.
- Each photovoltaic cell 4 is configured to convert solar radiation S into electrical energy.
- the connection elements 6 are configured for the interconnection of the photovoltaic cells 4 and for the connection of the cells photovoltaic 4 to a connection box 10 of the photovoltaic collector 2 making it possible to electrically connect the photovoltaic collector 2 to an electrical network or a load.
- the photovoltaic collector 2 has a front surface 2A intended to receive solar radiation for its conversion into electrical energy.
- front and rear are understood by reference to the front surface 2A intended to receive solar radiation and to the opposite rear surface 2B of the photovoltaic collector 2.
- the encapsulation substrate 8 comprises for example two encapsulation layers 12 sandwiching the photovoltaic cells 4 and the connection elements 6 connecting the photovoltaic cells 4 together.
- the encapsulation substrate 8 preferably comprises a front encapsulation layer 12 and a rear encapsulation layer 12, the photovoltaic cells 4 and the connection elements 6 connecting the photovoltaic cells 4 to each other being located between the encapsulation layer 12 front and the encapsulation layer 12 rear.
- the encapsulation substrate 8 defines the front protective layer of the photovoltaic collector 2. Ensuring the protection of the photovoltaic collector 2, and in particular the photovoltaic cells 4, against bad weather.
- the encapsulation substrate 8 defines in particular the front surface 2A of the photovoltaic collector 2, intended to receive solar radiation.
- the photovoltaic collector 2 does not have a protective front plate separate from the encapsulation substrate 8 and located in front of the photovoltaic cells 4, in particular a protective glass plate
- the encapsulation layer 12 before the encapsulation substrate 8 defines the front protective layer of the photovoltaic collector 2.
- the encapsulation layer 12 before the encapsulation substrate 8 defines in particular the front surface 2A of the photovoltaic collector 2 intended to receive solar radiation.
- the encapsulation substrate 8 defines the back support layer of the photovoltaic collector 2.
- the photovoltaic collector 2 does not have a back support plate separate from the encapsulation substrate 8 and located behind the photovoltaic cells 4.
- the rear encapsulation layer 12 of the protective substrate 8 defines the rear support layer of the photovoltaic collector 2.
- the photovoltaic collector 2 is arranged so as to receive solar radiation S on its front face 2A, this solar radiation S reaching the photovoltaic cells 4 through the encapsulation substrate 8, in particular through the encapsulation layer 12 before, and being converted into electrical energy by each photovoltaic cell 4.
- connection elements 6 The electrical energy thus generated is transmitted, in particular via the connection elements 6, to the connection box 10, for example to be sent to an electrical network or to supply a load connected to the connection box 10.
- the encapsulation substrate 8 is produced by forming in the liquid state at least one encapsulation material on each photo voltaic cell 4.
- the encapsulation substrate is thus at least partly overmolded on the photovoltaic cells 4.
- the encapsulation substrate 8 is formed by rotational molding also called “rotational molding” or “rotary molding”.
- rotational molding comprises introducing an encapsulating material into a rotational molding mold and heating and rotating the rotational molding mold around an axis of rotation or several distinct axes of rotation, in in particular two distinct axes of rotation, so that the encapsulation material, brought and / or maintained in the liquid state due to the heating, is distributed inside the rotational molding due to the rotation of the rotational molding .
- the rotomolding mold is then cooled passively (ie while awaiting its cooling in ambient air) or actively (for example using a forced air flow or by circulating a cooling liquid in the walls of the molds) to allow solidification of the encapsulating material before opening the rotomolding mold.
- the encapsulating material can be introduced into the rotomolding mold in a powder state or in a liquid state. Heating the mold makes it possible to bring the encapsulation material introduced in powder form to the liquid state and to maintain the encapsulation material in the liquid state to allow the distribution of the encapsulation material in the rotomolding mold. during the rotation of the latter.
- Molding the encapsulating material in the rotational molding includes heating the mold and rotating the mold around one or more axes of rotation.
- the manufacturing method comprises: - the introduction of a first encapsulation material M1 into a rotomolding mold 14 and the molding of this first encapsulation material M1 in the liquid state in the rotational molding 14 ( Figure 2),
- the manufacturing process then comprises of course the sufficient solidification of the first encapsulation material M1 and of the second encapsulation material M2 before the demolding of the assembly formed by the photovoltaic cells 4, and where appropriate the connection elements 6, encapsulated in the encapsulation substrate 8 formed by the first encapsulation material M1 and the second encapsulation material M2.
- the rotational molding mold 14 is for example driven in rotation about an axis of rotation parallel to the axis X of the orthogonal reference mark shown in Figures 2 to 4 and / or in rotation about an axis of rotation parallel to the Y axis of the orthogonal coordinate system.
- each photovoltaic cell 4 is preferably disposed on a surface of the first encapsulation material M1 at least partially solidified.
- the photovoltaic cells 4 are taken between the first overmolding material M1 and the second overmolding material M2.
- the rotational molding is for example carried out so that the first material encapsulation M1 and the second encapsulation material M2 each form a respective layer of the front encapsulation layer 12 and the rear encapsulation layer 12.
- the first encapsulation material M1 and the second encapsulation material M2 come into contact and bond with each other during the molding of the second encapsulation material M2.
- the second material encapsulation M2 is at least partially overmolded on the first encapsulation material M1.
- first M1 encapsulation material and a second M2 encapsulation material it is possible that the first M1 encapsulation material and the second M2 encapsulation material are the same or different.
- the first encapsulation material M1 and the second encapsulation material M2 are identical. This makes it possible to obtain good cohesion of the first encapsulation material M1 and the second encapsulation material M2 molded in part on the first encapsulation material M1.
- the first encapsulation material M1 and the second encapsulation material M2 are different.
- the use of a first M1 encapsulation material and a second M2 encapsulation material allows the use of encapsulation materials having different properties, in particular different optical and / or mechanical properties.
- Each encapsulation material can for example be chosen depending on whether it forms the front encapsulation layer 12, which must in particular provide protection against bad weather and be transparent to allow the passage of solar radiation S through it, or the rear encapsulation layer 12 which must possibly support the photovoltaic collector 2.
- the first M1 encapsulation material and the second M2 encapsulation material M2 are chosen with respect to each other to have good cohesive properties between them when one is molded on the other.
- each encapsulation material molded by rotational molding to obtain the encapsulation substrate 8 is chosen from: a low density polyethylene (LDPE), a high density polyethylene (HDPE), a polypropylene (PP) and an ethylene acetate. vinyl (EVA).
- LDPE low density polyethylene
- HDPE high density polyethylene
- PP polypropylene
- EVA ethylene acetate. vinyl
- low density or high density polyethylene shaped by rotational molding can have the following advantages: impact resistance, abrasion resistance, adjustable rigidity (flexible or rigid), chemical inertness (ability to resist certain attacks, in particular particularly from chemical or electrochemical attacks) and electrical insulation.
- Polypropylene formed by rotational molding can have the following advantages: high rigidity, impact resistance and resistance to high temperatures, in particular to temperatures above 100 ° C, see 140 ° C, and chemical inertness.
- the encapsulating substrate 8 is at least in part formed by injection molding.
- At least one encapsulation material is shaped in the liquid state on each photovoltaic cell 4 by injection molding.
- an encapsulating material is injected in a liquid state into a closed injection molding mold so as to take the shape of the mold cavity of the mold, and then after cooling and solidification of the material encapsulation, the injection molding mold is opened to demold the part thus obtained.
- a photovoltaic collector 2 In a method of manufacturing a photovoltaic collector 2, it is possible to position photovoltaic cells 4, and preferably connecting elements 6, in an open injection molding mold, to close the injection molding mold, d 'injecting an encapsulating material in the liquid state into the closed injection molding mold for shaping the encapsulating material in a liquid state into the injection molding mold with the encapsulating material being overmolded on photovoltaic cells 4.
- the encapsulation substrate is at least partially overmolded on the photovoltaic cells.
- the manufacturing process comprises:
- the first material encapsulation M1 and the second encapsulation material M2 each define a respective layer among a front encapsulation layer 12 and the rear encapsulation layer 12 of the encapsulation substrate 8.
- the first M1 encapsulation material and the second M2 encapsulation material used for injection molding may be the same or different, with the same or similar advantages.
- each encapsulation material molded by injection molding to obtain the encapsulation substrate 8 is selected from: a low density polyethylene (LDPE), a high density polyethylene (HDPE), a polypropylene (PP) and an ethylene. vinyl acetate (EVA).
- LDPE low density polyethylene
- HDPE high density polyethylene
- PP polypropylene
- EVA ethylene. vinyl acetate
- these materials provide the same advantages as for rotational molding, in addition to high fluidity, which facilitates injection, and a fast recrystallization rate.
- the encapsulating substrate 8 is at least in part formed by extrusion molding.
- the encapsulation substrate 8 is at least partly obtained by extrusion molding.
- the encapsulation substrate 8 is at least in part obtained by extrusion molding of at least one encapsulation material on each photovoltaic cell.
- the encapsulation substrate 8 is at least partly obtained by extrusion molding of a first encapsulation material M1 and the extrusion molding of a second encapsulation material M2 on the photovoltaic cells 4, and preferably the connection elements 6.
- the extrusion molding of a material is carried out by means of an extruder 20 making it possible to force the material in the liquid state through an outlet opening 22 making it possible to obtain the desired shape. for the material.
- the photovoltaic cells 4 are moved relative to the extruder 20 so that the encapsulating material is applied to the photovoltaic cells 4 at the outlet of. the extruder 20, and thus shaped in the liquid state on the photovoltaic cells 4.
- a first encapsulation material M1 and a second encapsulation material M2 are for example molded by extrusion so that each of the first encapsulation material M1 and of the second encapsulation material M2 form two layers sandwiching the photovoltaic cells 4.
- first encapsulation material M1 and the second encapsulation material M2 form, for example, a respective layer of a front encapsulation layer 12 and a rear encapsulation layer 12 of an encapsulation substrate 8.
- the first encapsulation material M1 and the second encapsulation material M2 are extrusion molded sequentially.
- the first encapsulation material is extrusion molded on the photovoltaic cells 4 so that the first encapsulation material M1 forms a layer on one face of which the photovoltaic cells are located ( Figure 7), then the second material encapsulation M2 is extrusion molded on said face of the layer formed by the first encapsulation material M1 ( Figure 8).
- the photovoltaic cells 4 are found sandwiched between a layer resulting from the extrusion molding of the first encapsulation material M1 and a layer resulting from the molding by extrusion of the second encapsulation material M2.
- the extrusion molding of the first M1 encapsulating material and the second M2 encapsulating material can be performed with the same extruder 20 as shown in Figures 7 and 8, or with separate extruders.
- the extrusion molding of the first encapsulation material M1 and the extrusion molding of the second encapsulation material M2 are carried out simultaneously, for example each on a respective face of a set of photovoltaic cells. 7.
- the first encapsulating material M1 and the second encapsulating material M2 may be the same or different with the same advantages as previously stated or similar advantages.
- each encapsulation material molded by extrusion molding to obtain the encapsulation substrate 8 is chosen from the materials already mentioned above for rotational molding and injection molding: a low density polyethylene (LDPE), a polyethylene high density (PEFID), polypropylene (PP) or ethylene vinyl acetate (EVA).
- LDPE low density polyethylene
- PEFID polyethylene high density
- PP polypropylene
- EVA ethylene vinyl acetate
- the material here is chosen with a relatively high viscosity. Thanks to the invention, it is possible to easily obtain a photovoltaic collector 2 with a desired shape.
- the photovoltaic collector 2 is shown in Figures 1 to 8 with a generally planar shape, but the molding of at least part of the substrate on the photovoltaic cells 4 allows different shapes, in particular a curved front surface, in particular concave or convex, the photovoltaic cells 4 being arranged along this curved surface.
- the shaping of an encapsulation substrate in the liquid state can furthermore be carried out easily, inexpensively and on a large scale.
- the encapsulation substrate is partly produced by rotational molding, partly produced by injection molding and / or partly produced by extrusion molding.
- the encapsulation substrate is obtained by molding a first encapsulation material M1 using a first molding technique chosen from rotational molding, injection molding and extrusion molding, and by molding a second encapsulation material M2 using a second molding technique distinct from the first molding technique, selected from rotational molding, injection molding and extrusion molding.
- At least one of the first encapsulation material M1 and the second encapsulation material M2 is molded by being shaped in the liquid state on the photovoltaic cells 4. It is thus overmolded on the photovoltaic cells 4.
- the photovoltaic cells 4 are sandwiched between the first encapsulation material M1 and the second encapsulation material M2, defining for example a front encapsulation layer 12 and a rear encapsulation layer 12 of the substrate. encapsulation 8.
- the photovoltaic collector with a structural frame extending along peripheral edges of the encapsulation substrate 8 encapsulating the photovoltaic cells.
- the frame can be made of metal or plastic.
- the frame can be attached to the encapsulation substrate 8, for example by being formed of frame elements assembled together around the encapsulation substrate.
- the frame can be overmolded on the encapsulation substrate 8, for example by injection molding or by rotational molding, in particular on the edges. peripherals of the encapsulation substrate 8.
- the frame is for example made of plastic.
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1908202A FR3098995A1 (fr) | 2019-07-19 | 2019-07-19 | Procédé de fabrication d’un collecteur photovoltaïque et collecteur photovoltaïque |
| PCT/EP2020/070262 WO2021013716A1 (fr) | 2019-07-19 | 2020-07-17 | Procédé de fabrication d'un collecteur photovoltaïque et collecteur photovoltaïque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4000104A1 true EP4000104A1 (fr) | 2022-05-25 |
Family
ID=68581949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20740623.2A Withdrawn EP4000104A1 (fr) | 2019-07-19 | 2020-07-17 | Procédé de fabrication d'un collecteur photovoltaïque et collecteur photovoltaïque |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4000104A1 (fr) |
| CN (1) | CN114586179A (fr) |
| FR (1) | FR3098995A1 (fr) |
| WO (1) | WO2021013716A1 (fr) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743970A (en) * | 1995-12-13 | 1998-04-28 | Energy Conversion Devices, Inc. | Photovoltaic module having an injection molded encapsulant |
| DE10101770A1 (de) * | 2001-01-17 | 2002-07-18 | Bayer Ag | Solarmodule mit Polyurethaneinbettung und ein Verfahren zu deren Herstellung |
| FR2948499B1 (fr) * | 2009-07-24 | 2012-08-17 | Jerome Bouchet | Procede d'encapsulation de cellules photovoltaiques destinees a produire de l'electricite par exposition au soleil |
| US20110256657A1 (en) * | 2010-04-19 | 2011-10-20 | Du Pont Apollo Limited | Method of encapsulating photovoltaic panel |
| EP2623314A1 (fr) * | 2012-02-06 | 2013-08-07 | Universiteit Twente | Module photovoltaïque encapsulé |
| FR3024282B1 (fr) * | 2014-07-28 | 2016-08-26 | Commissariat Energie Atomique | Module photovoltaique comportant une face avant en polymere |
-
2019
- 2019-07-19 FR FR1908202A patent/FR3098995A1/fr not_active Ceased
-
2020
- 2020-07-17 EP EP20740623.2A patent/EP4000104A1/fr not_active Withdrawn
- 2020-07-17 CN CN202080051983.5A patent/CN114586179A/zh active Pending
- 2020-07-17 WO PCT/EP2020/070262 patent/WO2021013716A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021013716A1 (fr) | 2021-01-28 |
| FR3098995A1 (fr) | 2021-01-22 |
| CN114586179A (zh) | 2022-06-03 |
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