LONGI Solar Technology Co., Ltd

China

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2023 7
2022 8
IPC Class
H01L 31/048 - Encapsulation of modules 6
E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels 5
H02S 20/23 - Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures 3
B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class 2
C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder 2
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Found results for  patents

1.

APPARATUS FOR MOUNTING ELECTRONIC DEVICE TO PHOTOVOLTAIC MODULE, ELECTRONIC MODULE, AND PHOTOVOLTAIC MODULE

      
Application Number CN2023090303
Publication Number 2023/226661
Status In Force
Filing Date 2023-04-24
Publication Date 2023-11-30
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Tan, Xianwei
  • He, Hui
  • Liu, Zhenyang
  • Lyu, Jun

Abstract

Disclosed in the present application are an apparatus for mounting an electronic device to a photovoltaic module, an electronic module and a photovoltaic module. The apparatus for mounting the electronic device to the photovoltaic module comprises: a mounting plate, used for mounting an electronic device onto a module back plate of the photovoltaic module; and a connecting mechanism, being at least arranged between the mounting plate and the electronic device so as to keep the electronic device in different mounting states, the mounting states at least comprising a first mounting state and a second mounting state. In the first mounting state, the electronic device is basically attached to the mounting plate, and in the second mounting state, a heat dissipation gap is formed between the electronic device and the mounting plate. By means of integrated pre-mounting during delivery, the costs of independent packaging and transportation are reduced. In addition, the requirement of heat dissipation of the electronic device can be satisfied.

IPC Classes  ?

2.

INK AND COLOR PHOTOVOLTAIC ASSEMBLY

      
Application Number CN2023086789
Publication Number 2023/221679
Status In Force
Filing Date 2023-04-07
Publication Date 2023-11-23
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Wang, Shencun
  • Zhang, Song
  • Shan, Kangkang

Abstract

The present application provides an ink and a color photovoltaic assembly containing the ink. The ink comprises an infrared reflection powder and a color developing toner, the mass percent of the infrared reflection powder in the ink being 0.1-30%, preferably 5-15%, and the mass percent of the color developing toner being 0.1-20%, preferably 1-5%. By optimizing the color implementation mode, the present application ensures a high efficiency of the assembly while achieving colors. In addition, by adding the infrared reflection toner, front panel glass of the assembly has a higher reflectivity for infrared rays, so that the working temperature of the assembly is reduced, thereby increasing the power generation capacity and prolonging the service life of the assembly.

IPC Classes  ?

  • C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
  • H01L 31/0216 - Coatings
  • H01L 31/054 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
  • C09D 11/50 - Sympathetic, colour-changing or similar inks
  • H01L 31/055 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
  • C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
  • H01L 31/02 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof - Details
  • H01L 31/048 - Encapsulation of modules
  • C09C 1/62 - Metallic pigments or fillers

3.

COLORED INK, COLORED PHOTOVOLTAIC GLASS, COLORED PHOTOVOLTAIC ASSEMBLY AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023090514
Publication Number 2023/221749
Status In Force
Filing Date 2023-04-25
Publication Date 2023-11-23
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Wei, Xiaohu
  • Tan, Xiaochun

Abstract

The present application discloses a colored ink, which comprises low-melting-point glass powder, varnish, a structural colored pigment and an inorganic wavelength conversion material. Further disclosed is a method for preparing the colored ink, comprising: dissolving a resin and a promoter in a solvent to obtain the varnish; stirring and mixing the low-melting-point glass powder, the varnish and the wavelength conversion material, and grinding the mixture until the fineness is 10 μm or below to obtain the transparent ink; and adding the structural colored pigment into the transparent ink for mixing and dispersing so as to obtain the colored ink. Further disclosed is a colored photovoltaic glass, which comprises a glass body and a colored ink layer on the surface of the glass body, the colored ink layer being formed by applying the colored ink on the surface of the glass body. Further disclosed is a method for preparing the colored photovoltaic glass. Further disclosed is a colored photovoltaic assembly comprising the colored photovoltaic glass. The colored photovoltaic glass prepared from the colored ink in the present application has higher hardness, better weather resistance and good light transmittance, and mitigates the problem of goniochromaticity of the structural colored pigment.

IPC Classes  ?

  • C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
  • C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
  • H01L 31/055 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
  • H01L 31/048 - Encapsulation of modules
  • C09D 11/00 - Inks
  • H01L 31/04 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof adapted as photovoltaic [PV] conversion devices
  • C09K 11/00 - Luminescent, e.g. electroluminescent, chemiluminescent, materials

4.

ADAPTER FOR PHOTOVOLTAIC MODULE INSTALLATION, AND PHOTOVOLTAIC MODULE INSTALLATION STRUCTURE

      
Application Number CN2023079833
Publication Number 2023/193559
Status In Force
Filing Date 2023-03-06
Publication Date 2023-10-12
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor Tian, Le

Abstract

Provided in the present application are an adapter for photovoltaic module installation, and a photovoltaic module installation structure. The adapter comprises an L-shaped connection portion and a circular crimping portion, the circular crimping portion being arranged at one end of the L-shaped connection portion. The photovoltaic module installation structure comprises photovoltaic modules, photovoltaic supports, a pressing plate, a wind-resistant clamp and the adapters, the photovoltaic modules being installed on the photovoltaic supports, the L-shaped connection portions of the adapters being connected to the photovoltaic supports, the wind-resistant clamp comprising a clamping structure and a bearing platform, the wind-resistant clamp being connected to a curved-surface metal roof by means of the clamping structure, the pressing plate pressing onto the bearing platform the circular crimping portions of the adapters connected to the photovoltaic modules, and the pressing plate being connected to the bearing platform by means of pressing plate screws. By connecting the adapters to the photovoltaic supports, when the circular crimping portions of the adapters are pressed onto the curved-surface metal roof, the adapters can rotate around the axes of the circular crimping portions, so that the installation angles of the photovoltaic modules can be adjusted, thereby improving the flatness and attractiveness of the installed photovoltaic modules.

IPC Classes  ?

  • E04D 3/362 - ConnectingFastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
  • E04D 3/30 - Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
  • E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels
  • H02S 20/30 - Supporting structures being movable or adjustable, e.g. for angle adjustment

5.

CURTAIN WALL UNIT, PHOTOVOLTAIC CURTAIN WALL, AND BUILDING

      
Application Number CN2023080286
Publication Number 2023/179363
Status In Force
Filing Date 2023-03-08
Publication Date 2023-09-28
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Shan, Kangkang
  • Zhang, Song
  • Wang, Shencun

Abstract

A curtain wall unit, a photovoltaic curtain wall, and a building, relating to the technical field of photovoltaic curtain walls, and for solving the problems that a photovoltaic module cannot be easily installed in an interlayer position of a non-wall body of a building, standardizing wiring, and improving an attractiveness degree. The photovoltaic curtain wall comprises a plurality of curtain wall units (10) which are electrically connected together; each curtain wall unit (10) comprises a bearing frame; each bearing frame comprises a photovoltaic bearing frame (11) and a light-transmitting bearing frame (12); the light-transmitting bearing frame (12) is provided with a light-transmitting layer (20); the photovoltaic bearing frame (11) is provided with a photovoltaic module; the photovoltaic module comprises a laminate (30) and a secondary frame; the laminate (30) is arranged on the secondary frame; the secondary frame is fixedly connected to the photovoltaic bearing frame (11).

IPC Classes  ?

  • E04B 2/88 - Curtain walls
  • E04B 2/96 - Curtain walls comprising panels attached to the structure through mullions or transoms
  • E04B 1/78 - Heat insulating elements
  • H02S 20/22 - Supporting structures directly fixed to an immovable object specially adapted for buildings
  • H02G 3/38 - Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts

6.

BLACK WEATHER-RESISTANT LAYER, PHOTOVOLTAIC MODULE AND COLOR PHOTOVOLTAIC MODULE

      
Application Number CN2023075343
Publication Number 2023/151634
Status In Force
Filing Date 2023-02-10
Publication Date 2023-08-17
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Wang, Shencun
  • Zhang, Song
  • Shan, Kangkang

Abstract

Disclosed is a black weather-resistant layer. The black weather-resistant layer comprises the following components: 80-100 parts of a weather-resistant resin substrate, 40-120 parts of a solvent, 10-50 parts of a black pigment, 5-20 parts of a filler, 1-20 parts of a silane coupling agent, 3-30 parts of a curing agent and 1-5 parts of an auxiliary agent. The present application further provides a photovoltaic module and a color photovoltaic module. According to the photovoltaic module provided by the present application, due to the action of a reinforced adhesive film layer, an internal adhesive film layer of the photovoltaic module still has high elastic modulus and strength under a high-temperature condition of normal operation, so that the photovoltaic module has relatively high safety.

IPC Classes  ?

  • H01L 31/048 - Encapsulation of modules
  • H01L 31/054 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
  • H01L 31/18 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
  • B32B 17/00 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like
  • B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class

7.

UNIT STRUCTURE OF CURTAIN WALL, AND PHOTOVOLTAIC CURTAIN WALL

      
Application Number CN2023070750
Publication Number 2023/131249
Status In Force
Filing Date 2023-01-05
Publication Date 2023-07-13
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Shan, Kangkang
  • Zhang, Song
  • Wang, Shencun
  • Shi, Fengyi

Abstract

A unit structure of a curtain wall, and a photovoltaic curtain wall, which relate to the technical field of photovoltaic curtain walls, and are applied to solving the problem that a photovoltaic module (10) easily falls off of a frame, which results in damages to the photovoltaic module (10) and thus also to a photovoltaic curtain wall. The unit structure of the curtain wall comprises the photovoltaic module (10), a plurality of first side frames (11) and a plurality of second side frames (12). In a lengthwise direction of each second side frame (12), a mounting groove (121) is provided at the end of the second side frame (12) away from a building. In a direction away from the building, the mounting groove (121) has a first opening facing the photovoltaic module (10). Two opposite sides of the photovoltaic module (10) are respectively engaged in the first openings, and a projection of a third side wall of the mounting groove (121) on the building at least partially covers the photovoltaic module (10). A surface of each first side frame (11) close to the photovoltaic module (10) is connected to the photovoltaic module (10), and a projection of the photovoltaic module (10) on the building completely covers the first side frame (11). The photovoltaic curtain wall comprises a plurality of cross beams (3), a plurality of vertical stands (4) and the unit structure of the curtain wall as described in the above technical solution.

IPC Classes  ?

  • E04B 2/88 - Curtain walls
  • E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels
  • H02S 20/22 - Supporting structures directly fixed to an immovable object specially adapted for buildings

8.

PHOTOVOLTAIC BUILDING COMPONENT

      
Application Number CN2021132479
Publication Number 2022/242079
Status In Force
Filing Date 2021-11-23
Publication Date 2022-11-24
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Shan, Kangkang
  • Zhang, Song
  • Wang, Shencun

Abstract

Embodiments of the present disclosure provide a photovoltaic building component, provided on the purlins arranged at intervals. The photovoltaic building component comprises: photovoltaic modules, profiled metal sheets, bases, mounting connectors, and supports; at least one support is connected to each purlin, the supports are provided with first recesses, the bases are mounted in the first recesses, and the bases extend along the direction of arrangement of the plurality of purlins; the bases are provided with second recesses matching the supports, and the mounting connectors are mounted in the second recesses; the profiled metal sheets are mounted on the supports by means of the mounting connectors, and the photovoltaic modules are provided on the profiled metal sheets. In embodiment of the present utility model, the first recesses are provided on the supports, the bases are mounted in the first recesses, the mounting connectors are mounted in the second recesses, the profiled metal sheets are mounted on the supports by means of the mounting connectors, and the photovoltaic modules are provided on the profiled metal sheets, thereby improving the wind resistance of the profiled metal sheets and the photovoltaic modules.

IPC Classes  ?

  • F24S 25/613 - Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures in the form of bent strips or assemblies of stripsHook-like connectorsConnectors to be mounted between building-covering elements
  • F24S 25/636 - ClampsClips clamping by screw-threaded elements
  • E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels
  • H02S 20/23 - Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures

9.

ROOF STRUCTURE

      
Application Number CN2021130085
Publication Number 2022/237101
Status In Force
Filing Date 2021-11-11
Publication Date 2022-11-17
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Kong, Wei
  • Zhou, Cong
  • He, Di

Abstract

Provided in the present disclosure is a roof structure. The roof structure comprises a sliding supporting structure, a photovoltaic roof member, a fastening structure and a buckling member. The sliding supporting structure comprises a supporting seat main body and a base, wherein a sliding groove is provided on the base; a transverse rod matching the sliding groove in terms of structure is arranged on the supporting seat main body; and the supporting seat main body is further provided with an accommodating cavity. The photovoltaic roof member comprises a protruding structure. The supporting seat main body makes the transverse rod arranged in the sliding groove of the base; the photovoltaic roof member makes the protruding structure arranged in the accommodating cavity of the supporting seat main body; the fastening structure is arranged in the protruding structure; and the buckling member is buckled at the position of the protruding structure, so as to complete connection and fixation between the sliding supporting structure and the photovoltaic roof member. According to the present disclosure, the transverse rod can be slidably connected to the sliding groove, and the protruding structure can be arranged in the accommodating cavity, such that in combination with the fastening structure and the buckling member, the photovoltaic roof member is connected and fixed to the sliding supporting structure; and the roof structure has a simple structure and is easy and convenient to mount, while ensuring that the roof structure has relatively good wind resistance and vibration resistance.

IPC Classes  ?

  • H02S 20/23 - Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures

10.

SUPPORT AND PHOTOVOLTAIC ROOF

      
Application Number CN2021131408
Publication Number 2022/222451
Status In Force
Filing Date 2021-11-18
Publication Date 2022-10-27
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • He, Di
  • Sheng, Hao
  • Hao, Na
  • Zhou, Cong

Abstract

A support and a photovoltaic roof, relating to the technical field of solar photovoltaics. The support comprises a clamping piece (1), a reinforcing core (2), and a base (3); the base (3) comprises a supporting member (31) provided opposite to a purlin, and a pressing and blocking member (32) which has one end attached to the side of the supporting member (31) away from the purlin, and is connected to the supporting member (31) into a whole; a clamping cavity (323) which is perpendicular to the supporting member (31) and is provided with an opening in one end is formed in the other end (322) of the pressing and blocking member (32) opposite to an attached end (321); the opening of the clamping cavity (323) is distributed opposite to the attached end (321), and is closer to the supporting member (31) than other parts of the clamping cavity (323); the clamping piece (1) comprises a sleeving part (11) which is located in the clamping cavity (323) and can be snap-fitted with the clamping cavity (323); the sleeving part (11) forms an inner connecting cavity (111) having an opening in one end in the clamping cavity (323), and the opening of the inner connecting cavity (111) is located in the shadow of the opening of the clamping cavity (323), and is closer to the supporting member (31) than other parts of the inner connecting cavity (111); the reinforcing core (2) is located in the inner connecting cavity (111) and can be snap-fitted with the inner connecting cavity (111). The support improves the anti-wind-uplift performance, prevents the clamping piece from being bent and deformed, and prolongs the service life of the clamping piece.

IPC Classes  ?

  • E04D 3/36 - ConnectingFastening
  • E04D 13/00 - Special arrangements or devices in connection with roof coveringsRoof drainage
  • E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels

11.

ROOFING BACK PLATE AND ROOFING STRUCTURE

      
Application Number CN2021131245
Publication Number 2022/199060
Status In Force
Filing Date 2021-11-17
Publication Date 2022-09-29
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor
  • Zhou, Cong
  • Meng, Xiajie
  • Miao, Yanping
  • Kong, Wei
  • Liang, Huanying
  • Sheng, Hao

Abstract

The present disclosure relates to the technical field of solar photovoltaics, and provides a roofing back plate and a roofing structure. The roofing back plate comprises a plurality of recessed portions and protruding portions formed by connecting side edges of adjacent recessed portions, wherein two opposite side edges of the roofing back plate in a transverse direction are provided with edge locking structures, and in the roofing back plate, the height of the protruding portions is greater than that of the edge locking structures arranged at the two opposite side edges; and at least one snap-fitting structure configured to be snap-fitted with a middle support is arranged at the bottom of each protruding portion. When a photovoltaic module is placed on the roofing back plate, since the tops of the protruding portions are the highest positions on the roofing back plate, the placement of the photovoltaic module is not limited by other structures on the roofing back plate, and the roofing back plate with unified standardized dimensions can be adapted to photovoltaic modules of any size, thereby reducing the production cost of photovoltaic modules. Moreover, each protruding portion of the roofing back plate is further connected to the middle support, thereby improving the wind uplift resistance of the roofing back plate.

IPC Classes  ?

  • E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels
  • H02S 20/23 - Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
  • F24S 20/67 - Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions

12.

ELECTRICAL CONTROL BOX AND POWER SUPPLY SYSTEM

      
Application Number CN2021129012
Publication Number 2022/166287
Status In Force
Filing Date 2021-11-05
Publication Date 2022-08-11
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor Gong, Fangtao

Abstract

The present disclosure relates to the technical field of solar photovoltaics, and provides an electrical control box and a power supply system. The electrical control box comprises: a box body provided with an input end and an output end, and a main circuit switch apparatus, a branch switch apparatus, an electric meter, a power network router and an internet of things control apparatus that are disposed in the box body. The main circuit switch apparatus is disposed between the input end and the output end to form a main circuit; the electric meter and the branch switch apparatus are arranged in parallel on the main circuit; and the branch switch apparatus is also connected to the power network router and the internet of things control apparatus, separately. According to the electrical control box provided in the present disclosure, functions of accessing an ethernet network by means of the power network router, and accessing and controlling a load device by means of the internet of things control apparatus are provided, the control of an intelligent load device is implemented, and the communication between the electrical control box and the ethernet network is implemented by means of the power network router, and thus the applicable scene of the electrical control box is increased.

IPC Classes  ?

  • H02B 1/48 - Mounting of devices therein
  • H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
  • H02J 7/35 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells

13.

BUILDING INTEGRATED PHOTOVOLTAIC ASSEMBLY AND PREPARATION METHOD THEREFOR

      
Application Number CN2021124637
Publication Number 2022/160788
Status In Force
Filing Date 2021-10-19
Publication Date 2022-08-04
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor Tan, Xiaochun

Abstract

Disclosed is a building integrated photovoltaic assembly, relating to the technical field of solar photovoltaics. The building integrated photovoltaic assembly specifically comprises: a metal substrate, and a first packaging adhesive film layer, a battery sheet layer, a second packaging adhesive film layer and a cover plate successively laid on the metal substrate, wherein connecting portions are provided on two opposite sides of the metal substrate, the connecting portion comprises a side plate and a baffle connected to each other, the side plate is perpendicularly connected to the metal substrate, an accommodating groove is formed by the two side plates and the metal substrate, an insulating adhesive film layer is laid in the accommodating groove, and the baffle extends parallel to the metal substrate and in a direction away from the side plate; the first packaging adhesive film layer is laid on the insulating adhesive film layer; and the metal substrate, the first packaging adhesive film layer, the battery sheet layer, the second packaging adhesive film layer and the cover plate are laminated to form an integrally formed structure. The building integrated photovoltaic assembly according to embodiments of the present disclosure has a low cost, can reduce mounting environment requirements and construction difficulty at a later stage, and improve the mounting reliability of the photovoltaic assembly.

IPC Classes  ?

14.

BACKSHEET FOR PHOTOVOLTAIC ASSEMBLY AND MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC ASSEMBLY

      
Application Number CN2021133233
Publication Number 2022/116893
Status In Force
Filing Date 2021-11-25
Publication Date 2022-06-09
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor Tan, Xiaochun

Abstract

The present application provides a backsheet for a photovoltaic assembly and a manufacturing method therefor, and a photovoltaic assembly. The backsheet for the photovoltaic assembly comprises: a metal substrate layer; a chemical conversion layer disposed on a first surface of the metal substrate layer; a transition layer disposed on the surface of the chemical conversion layer away from the metal substrate layer; an adhesive layer disposed on the surface of the transition layer away from the chemical conversion layer; an insulating layer disposed on the surface of the adhesive layer away from the transition layer; and a passivation layer disposed on a second surface of the metal substrate layer. In embodiments of the present application, by disposing the passivation layer on the second surface of the metal substrate layer, the corrosion of the second surface of the metal substrate layer can be avoided; and by disposing the chemical conversion layer, the transition layer, and the adhesive layer between the metal substrate layer and the insulating layer, the adhesion between the insulating layer and the metal substrate layer can be improved, thereby preventing the separation of the insulating layer from the metal substrate layer under long-term use.

IPC Classes  ?

  • H01L 31/049 - Protective back sheets
  • H01L 31/048 - Encapsulation of modules
  • B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
  • B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
  • B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
  • B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class

15.

POTTING ADHESIVE AND PREPARATION METHOD THEREFOR

      
Application Number CN2021129597
Publication Number 2022/105646
Status In Force
Filing Date 2021-11-09
Publication Date 2022-05-27
Owner LONGI SOLAR TECHNOLOGY CO., LTD. (China)
Inventor Tan, Xiaochun

Abstract

The present disclosure relates to the technical field of photovoltaic potting. Disclosed are a potting adhesive and a preparation method therefor, for obtaining a low-cost potting adhesive having a high heat conductivity coefficient. The potting adhesive comprises an organopolysiloxane polymer, white carbon black, spherical alumina, an organometallic catalyst, and a plasticizer. The mass of the white carbon black contained in the potting adhesive is greater than that of the spherical alumina; the particle size of the white carbon black is 10 nm to 20 nm; and the mass ratio of the white carbon black to the organopolysiloxane polymer is (30-50):100. The potting adhesive and the preparation method therefor provided by the present disclosure are used in the preparation of a potting adhesive in the field of photovoltaics.

IPC Classes  ?