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EP4399747A1 - Module photovoltaïque-thermique et système solaire - Google Patents

Module photovoltaïque-thermique et système solaire

Info

Publication number
EP4399747A1
EP4399747A1 EP22765485.2A EP22765485A EP4399747A1 EP 4399747 A1 EP4399747 A1 EP 4399747A1 EP 22765485 A EP22765485 A EP 22765485A EP 4399747 A1 EP4399747 A1 EP 4399747A1
Authority
EP
European Patent Office
Prior art keywords
heat sink
photovoltaic
solar cells
thermal module
surface heat
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.)
Pending
Application number
EP22765485.2A
Other languages
German (de)
English (en)
Inventor
Wilhelm Stein
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.)
Sunmaxx Pvt GmbH
Original Assignee
Sunmaxx Pvt 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 Sunmaxx Pvt GmbH filed Critical Sunmaxx Pvt GmbH
Publication of EP4399747A1 publication Critical patent/EP4399747A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/42—Cooling means
    • H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/006—Constructions of heat-exchange apparatus characterised by the selection of particular materials of glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • 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
    • H10F19/85—Protective back sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • 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

  • a photovoltaic thermal module is specified.
  • a solar system with such a photovoltaic thermal module is specified.
  • a hydraulic network for a heat sink is known from publication EP 1 525 428 B1.
  • a problem to be solved is to provide a photovoltaic thermal module that can be operated efficiently.
  • the photovoltaic thermal module, or PVT module for short includes a large number of solar cells.
  • the solar cells are based, for example, on silicon and/or on germanium and/or on a compound semiconductor material such as CdTe or CuInGaS, GIGS for short, or CuInS, CIS for short.
  • the solar cells can be based on perovskite or at least one organic, photoactive material.
  • the photoactive layers are preferably present in strips, for example with a width of at least 3 mm and/or at most 3 cm.
  • the individual, for example crystalline, solar cells have an average diameter of at least 5 cm or at least 10 cm and/or at most 50 cm.
  • the cells are cut in half or in thirds and so on or in strips.
  • the crystalline solar cells then do not represent squares or pseudo-squares, but rather rectangles.
  • the PVT module includes one or more surface heat sinks.
  • the preferably exactly one surface heat sink can also be referred to as a cooling plate or as a rear-side cooler.
  • the surface heat sink is based on at least one inorganic material, such as glass or a metal, for example aluminum.
  • the term 'based on at least one inorganic material' means, for example, that at least 80% by weight or at least 90% by weight or at least 98% by weight of the surface heat sink is formed by the at least one inorganic material. This does not rule out the possibility that small components of the surface heat sink, in particular components that are not mechanically load-bearing, such as seals or labels, can be formed from organic materials.
  • the surface heat sink comprises a large number of cooling channels. The cooling channels are designed for a cooling liquid to flow through them.
  • the surface heat sink extends partially or completely over the solar cells or over parts of the solar cells.
  • the surface heat sink is attached to at least 80% or at least 90% or at least 95% of a surface of all solar cells taken together. This means that essentially the entire area of the solar cells can be connected to the surface heat sink. It is possible that, for manufacturing reasons, for example, the solar cells on an outer edge of the PVT module, viewed from above, are only partially connected to the surface heat sink. This means there can be a peripheral edge around the PVT module that is free of the surface heat sink. A width of such a border is, for example, at most 5 cm or at most 1 cm. All solar cells are preferably located completely on the surface heat sink.
  • the surface heat sink extends continuously over the relevant solar cells or parts of solar cells. That means, in particular for all solar cells of the PVT module, there is a single common surface heat sink which is free of gaps or holes, for example.
  • the PVT module includes a large number of solar cells and a surface heat sink.
  • the surface heat sink is based on at least one inorganic material, includes a variety of Cooling channels for a cooling liquid and extends partially or completely, in particular contiguously, over the solar cells or over parts of the solar cells.
  • the surface heat sink comprises at least two plates or exactly two plates, between which the cooling channels are formed. This makes it possible for the surface heat sink to be a closed, sealed system that is suitable for the coolant to flow through without any additional components.
  • the cooling channels are defined entirely by the plates, optionally together with a connecting means between the plates and/or for holding the plates together.
  • a first of the plates, which faces the solar cells is flat.
  • the cooling channels are defined by a second of the plates, which faces away from the solar cells. That is, the cooling channels can be formed in the second plate.
  • the heat sink plates are formed by metal plates, for example aluminum plates.
  • the heat sink plates are formed by glass plates, so that the surface heat sink can be translucent.
  • the connecting means is then, for example, a metallic solder or a glass solder.
  • all types of glass-glass bonds can be used.
  • lamination methods can be used, for example with structured lamination foils, in particular as connecting means.
  • the lamination film is, for example, an ethylene vinyl acetate film, EVA film for short.
  • EVA film for short.
  • the cooling channels have a branched structure.
  • a single outlet and a single inflow can be provided for the surface heat sink, between which the cooling channels form a branched, flat structure.
  • an average distance between adjacent cooling channels is at most 50% or at most 40% or at most 30% of the average diameter of the solar cells, seen in a plan view of the solar cells.
  • the cooling channels and thus an area for the cooling liquid each make up at least 20% or at least 50% of a base area of the solar cells.
  • an average distance between adjacent cooling channels is at most 50% or at most 40% or at most 30% of a longitudinal side of the solar cells, seen in a plan view of the solar cells.
  • the longitudinal side corresponds to the longer side.
  • the cooling channels run transversely to the longitudinal side.
  • the surface heat sink has a thickness of between 1 mm and 10 cm inclusive or between 1 mm and 3 cm inclusive or between 2 mm and 12 mm inclusive. It is possible that a material thickness of the plates of the flat heat sink contributes at most 70% or at most 50% or at most 30% to the thickness of the flat heat sink, so that the thickness of the flat heat sink can be predetermined to a large extent by the inner diameter of the cooling channels.
  • the surface heat sink supports the solar cells mechanically. This means that the PVT module can be free of a support frame surrounding the solar cells.
  • the solar system comprises at least one PVT module, a pumping device and a geothermal probe.
  • the pumping device is set up to pump a cooling liquid through the at least one PVT module and through the geothermal probe.
  • an operating method for the solar system in which the cooling liquid is pumped through the at least one PVT module and through the geothermal probe.
  • the heat that is dissipated by the PVT module is not used in this case, but only serves to reduce the temperature of the PVT module.
  • the PVT module can be considered as a pure PV module with cooling, since only electricity is generated, but no heat.
  • the term PVT module preferably includes this.
  • Figure 1 is a schematic sectional view of a modification of a PVT module
  • FIG. 2 is a schematic view from below of the PVT module of Figure 1,
  • Figure 3 shows a schematic sectional view of an exemplary embodiment of a PVT module described here
  • Figure 4 is a schematic view from below of the PVT module of Figure 3
  • Figure 5 is a schematic sectional view of a
  • FIG. 6 shows a schematic sectional illustration of an exemplary embodiment of a solar system with the PVT modules described here.
  • PV modules for short, are already a pillar of energy supply today and will become even more important in the future for fossil-free and COg-free energy supply. The costs have fallen by around 90% in the last ten years, so that solar power is now the cheapest form of power generation worldwide. Nevertheless, a PV module today only converts around 20% of the incident solar energy into electricity, the rest is lost as waste heat.
  • PV module which address heat
  • PVT modules photovoltaic thermal modules
  • PVT modules In addition to electrical energy, such PVT modules also produce heat, mostly in the form of hot water.
  • crystalline Solar cells 2 are connected to one another via electrical cell connectors 3 and embedded in a lamination film 4, such as an EVA film.
  • the lamination film 4 is located on a front glass 1.
  • a rear wall film 5 for example a polyvinyl fluoride film, PVF film for short, such as a Tedlar film, or alternatively a rear glass.
  • Copper tubes 6 serve as a fluid carrier.
  • the PVT module 90 is mechanically supported by a support frame 7, for example made of aluminium. For introducing and discharging a cooling liquid, not shown, a feed 8a for the still cold cooling liquid and a return 8b for the heated cooling liquid are attached to a rear side of the PVT module 90 .
  • High-temperature operation at > 60 °C means that the solar cells are additionally heated and supply less solar power than in normal operation.
  • the welded-on copper tube technique is difficult to scale and cannot be easily mass-produced, making the manufacturing cost comparatively high.
  • the quality and efficiency of copper piping technology for heat transfer is not particularly high.
  • Modern PVT modules work in a low-temperature mode with temperatures below around 40 °C and thus ensure that the solar cells are cooled instead of heated, which means that the solar module can generate not less but even more electricity.
  • the low-temperature heat can be used to increase the flow temperature and thus enable more efficient operation.
  • the surface heat sink 10 typically consists of two thin aluminum sheets 10a, 10b and a connecting means 10d, a channel structure with a large number of cooling channels 10c being embossed in one of the two plates 10b, for example by a stamping process.
  • This highly efficient channel structure consists of many branches and is optimized to dissipate heat as efficiently as possible and to enable the lowest possible pressure losses.
  • the embossed Al plate 10b is connected to the flat Al plate 10a in a special soldering process in a furnace at high temperatures, in particular between 300° C. and 700° C., the solder 10d usually already being present soldering on the Al plates.
  • This then creates the Al cooling plate 10, which in turn is glued or laminated onto the back of a PV laminate, in particular by means of an adhesive layer 9, which is made of an adhesive, for example, or is formed by another EVA film.
  • a PV laminate is a PV module without a frame 7 and without an electrical connection box 22 . It is also possible for a PV module with a junction box 22 but without a frame 7 to be referred to as a PV laminate.
  • connection box 22 can optionally be provided with electrical connection cables 23 together with a plug.
  • the surface heat sink 10 of Figures 3 and 4 is based in particular on Al plates 10a, 10b, which have a thickness of 1 mm, for example.
  • Inner diameters of the cooling channels 10c are, for example, 1 mm to 4 mm.
  • a distance between adjacent cooling channels 10c is, for example at least 4 mm and/or at most 20 mm. This can also apply to surface heat sinks 10 based on glass plates.
  • the cooling channels 10c can be comparatively wide at the feed 8a and at the return 8b.
  • the cooling channels 10c branch out at a large number of branches, which are in particular bifurcations or trifurcations, so that the width of the cooling channels 10c can decrease with increasing distance from the flow 8a and/or from the return 8b.
  • a thickness of the cooling ducts 10c prefferably be constant over the entire flat surface cooling body 10 independently of the distance to the forward flow 8a and/or to the return flow 8b in order to realize a flat surface cooling body 10 .
  • the cooling channels 10c have a semi-circular cross-section, with a flat side facing the solar cells.
  • PV modules with crystalline solar cells 2 usually have either a weather-resistant PVF film, which is usually white or black, or a transparent rear glass, for example with a thickness of 2 mm, as the back.
  • the rear glass is to be preferred in particular if bifaciality of the PVT module 100 is desired.
  • the rear glass or the PVF film is now completely replaced by the surface heat sink 10 in the PVT module 100 of FIG.
  • the PVT module 100 comprises, for example, at least 50 and/or at most 250 of the solar cells 2, for example 60 or 72 solar cells with a size of 6 inches, or for example between 120 and 144 half cells or even more cell strips.
  • the embedding of the solar cells 2 preferably takes place with the lamination film 4, such as an EVA film, which melts in the lamination process and embeds the solar cells 2 at the front and rear.
  • the lamination film 4 such as an EVA film
  • an additional highly insulating material is optionally present between the lamination film 4 and the surface heat sink 10 in an electrical insulation layer 11.
  • the electrical insulation layer 11 is made of at least one organic material, such as a plastic, for example polyethylene terephthalate, PET for short, or of at least one inorganic material, such as an oxide or nitride.
  • the insulating layer 11 has a thickness between 0.1 mm and 1 mm inclusive in order to ensure a low thermal resistance.
  • the lamination film 4 can also be replaced directly by an electrically highly insulating material, not shown, for example by a silicone or by ionomers.
  • the rear glass or the PVF film can thus be saved, so that a separate, second lamination is no longer necessary for applying the surface heat sink 10 . All of this saves costs, especially since the PVT module 100 is already very stable mechanically and a carrier frame 7 may no longer be required, which represents a further significant cost saving. In other words, the carrier frame 7, as shown in FIGS. 3 to 5, is only optional.
  • the surface heat sink 10 can also be connected to thin-film modules, which are based, for example, on CdTe, GIGS, a-Si, perovskite, or an organic material.
  • the surface heat sink 10 can be applied subsequently, as described above in the first exemplary embodiment of FIGS. 3 and 4, or the surface heat sink 10 can be integrated directly into the module 100.
  • the layer stack is deposited on the front glass of the solar module.
  • the surface heat sink 10 can be laminated directly on. Since CdTe modules are opaque anyway, that is, they do not have any bifaciality, this also does not represent any deterioration in the event of free surface elevation of the PVT modules 100.
  • Copper indium gallium diselenide based modules 100 in short
  • CIGS modules are usually manufactured in substrate technology, with the layer stack having the Solar cells 2 is applied to the rear glass.
  • the back glass can be replaced directly by the surface heat sink 10, so that it acts as a substrate in the mostly vacuum coating processes.
  • the surface heat sink 10 also includes a highly efficient, branched channel structure, although the metal plates 10a, 10b are replaced by one or by two glass layers 10, 10b.
  • the structure is preferably embossed directly during the production process of the glass after a float tank in the cooling process.
  • the PVT modules 100 can include a transparent surface heat sink 10, which also enables bifaciality. This can be a great advantage, especially for large solar parks in free-field applications.
  • the glass-based surface heat sink 10 can be integrated into the PVT module 100 in various ways.
  • the embossed back glass 10b is preferably connected to a smooth glass 10a, for example by means of glass bonding, and then subsequently laminated as a whole onto a PV laminate.
  • the glass-based surface heat sink 10 serves again as a substrate in the PV module lamination process and thus becomes an integral part of the PVT module 100 .
  • the flat glass 10a of the surface heat sink 10 can also be replaced by a transparent film which is connected to the embossed cooler glass 10b with the channel structure 10c in a suitable manner, for example by means of an adhesive.
  • This composite 10a, 10b, 10d can then in turn become an integral part of the module production as the back of the PVT module 100.
  • FIGS. 1 to 4 apply in the same way to FIG. 5 and vice versa.
  • the effective cooling of the PVT modules 100 with the aluminum-based or glass-based surface heat sink 10, for example, can increase the yield of such parks, which can be designed for outputs in the GW range, by the 15% to 20% mentioned, what Sums in the two-digit to three-digit million range per year can correspond, depending on the size of the solar park.
  • the perfect cooling of the PVT module 100 can then even be combined with additional bifacial yield.
  • a heat sink that cools down the heated fluid that flows through the PVT modules 100 again. If watercourses are nearby, they can be used: the cold water is removed, flows through the PVT modules 100 for cooling and is returned slightly heated. The same can also be done with aquifers, for example with scoop wells and injection wells, if these are available are . Furthermore, the flow through in floating PV systems that are installed on large bodies of water, such as dams, can be integrated very elegantly by using the existing water on which the PVT modules 100 float for cooling.
  • the ground offers itself as a cold source, see FIG.
  • the cooling liquid for example water, previously heated by the PVT modules 100 to about 25° C., is conducted through a geothermal probe 14 by means of a pumping device 15 and with the help of lines 16 and is cooled in the process.
  • the coolant can be fed back into the PVT modules 100, for example at about 15° C., and cool them down, see the arrows with solid lines in FIG.
  • the geothermal probe 14 continues to heat up over time.
  • the geothermal probe 14 must therefore be regenerated. This happens, for example, at night.
  • the environment in desert areas usually cools down quickly to below 10 °C.
  • the cool fluid can be passed through the geothermal probe 14 and cool and regenerate it again, see the arrows with dashed lines in FIG. The next day, the geothermal probe 14 is available again for cooling the PVT modules 100.
  • cold can also be produced from heat using adsorption technology.
  • the conversion of the heat from a PVT module 100 into cold and its use for room cooling thus represents a further form of application.
  • higher temperatures of at least 50 °C, for example are often required for the efficient conversion of heat into cold.
  • This high-temperature heat can then be stored in a high-temperature tank, for example; as soon as this tank is full, the PVT module 100 returns to the power-efficient low-temperature operation via its controller. A refrigeration machine can then obtain the heat it needs from the high-temperature tank.
  • Areas of application for the PVT modules 100 described here are solar cells 2 of all types, for example crystalline or bifacial crystalline modules or thin film modules. Furthermore, the following application areas of the modules 100 come into consideration: on-roof, industry, open space, low-temperature heating networks, floating systems, large open-space solar parks, especially in hot regions such as the USA, India, Spain, Arabia, Australia, Chile.
  • an increase in the overall efficiency of solar modules from approximately 20% to up to 80% or more can be achieved through combined electricity production and heat production and their use. This is particularly efficient when there is little space, such as house roofs or industrial roofs or commercial roofs, especially with high process heat requirements.
  • the combination with heat pumps for building heating is also preferred, which can lead to a significant increase in the annual performance factor, JAZ, and to an increase in the efficiency of the heat pump.
  • JAZ annual performance factor
  • a higher electricity yield can be achieved through cooling, especially in hot climates.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention concerne, selon au moins un mode de réalisation, un module photovoltaïque-thermique (100) qui comprend une pluralité de cellules solaires (2) et un dissipateur thermique plan (10). Le dissipateur thermique plan (10) est basé sur au moins un matériau inorganique, contient une pluralité de canaux de refroidissement (10c) et s'étend en continu sur les cellules solaires (2). Le système solaire (111) comprend au moins un module photovoltaïque-thermique (100) de ce type, un dispositif de pompage (15) et une sonde terrestre (14). Le dispositif de pompage (15) est conçu pour pomper un liquide de refroidissement à travers le ou les modules photovoltaïques (100) et à travers la sonde terrestre (14).
EP22765485.2A 2021-09-06 2022-08-12 Module photovoltaïque-thermique et système solaire Pending EP4399747A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021123000.4A DE102021123000A1 (de) 2021-09-06 2021-09-06 Photovoltaik-thermisches Modul und Solarsystem
PCT/EP2022/072670 WO2023030866A1 (fr) 2021-09-06 2022-08-12 Module photovoltaïque-thermique et système solaire

Publications (1)

Publication Number Publication Date
EP4399747A1 true EP4399747A1 (fr) 2024-07-17

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EP22765485.2A Pending EP4399747A1 (fr) 2021-09-06 2022-08-12 Module photovoltaïque-thermique et système solaire

Country Status (5)

Country Link
US (1) US20250132725A1 (fr)
EP (1) EP4399747A1 (fr)
CN (1) CN118284986A (fr)
DE (2) DE102021123000A1 (fr)
WO (1) WO2023030866A1 (fr)

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DE102022119223A1 (de) 2022-08-01 2024-02-01 Sunmaxx PVT GmbH Unterkonstruktion für ein Photovoltaik-thermisches Modul und Solarsystem
WO2024028007A1 (fr) * 2022-08-02 2024-02-08 Sunmaxx PVT GmbH Corps façonné et procédé pour un module photovoltaïque
DE102022123915A1 (de) 2022-09-19 2024-03-21 Sunmaxx PVT GmbH Photovoltaik-thermisches Modul
DE102023115468A1 (de) * 2023-06-14 2024-12-19 Sunmaxx PVT GmbH Photovoltaik-thermisches Modul und Solarsystem

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DE102021123000A1 (de) 2023-03-09
US20250132725A1 (en) 2025-04-24
DE202022003252U1 (de) 2025-08-22
CN118284986A (zh) 2024-07-02
WO2023030866A1 (fr) 2023-03-09

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