H01L31/048

FLEXIBLE ASSEMBLY WITH STAINLESS STEEL MESH PACKAGING STRUCTURE

A flexible assembly with a stainless steel mesh packaging structure includes a flexible back plate, a first hot melt adhesive, a solar cell string, a stainless steel mesh, a second hot melt adhesive, and a flexible front plate. The flexible back plate and the flexible front plate are respectively arranged on the outer surface of the first hot melt adhesive and the outer surface of the second hot melt adhesive, and the solar cell string and the stainless steel mesh are arranged between the first hot melt adhesive and the second hot melt adhesive. The stainless steel mesh is arranged at partial or all positions around the outer edge of the solar cell string and is continuously distributed or separately distributed. The stainless steel mesh is arranged around the solar cell string to further strengthen the strength of the flexible assembly and improve the tearing resistance of the flexible assembly.

Solar cell panel

A solar cell panel using a back contact solar cell is disclosed. The solar cell panel includes a front substrate, a back sheet positioned opposite the front substrate, a plurality of solar cells positioned between the front substrate and the back sheet and connected to one another by a plurality of conductive lines electrically connecting two adjacent solar cells, an encapsulant covering the plurality of solar cells, and at least one blocking portion blocking the plurality of conductive lines that is otherwise visible between the solar cells from being visually seen. The at least one blocking portion is positioned between a back surface of the front substrate and the encapsulant.

Solar cell panel

A solar cell panel using a back contact solar cell is disclosed. The solar cell panel includes a front substrate, a back sheet positioned opposite the front substrate, a plurality of solar cells positioned between the front substrate and the back sheet and connected to one another by a plurality of conductive lines electrically connecting two adjacent solar cells, an encapsulant covering the plurality of solar cells, and at least one blocking portion blocking the plurality of conductive lines that is otherwise visible between the solar cells from being visually seen. The at least one blocking portion is positioned between a back surface of the front substrate and the encapsulant.

Methods of manufacturing a photovoltaic module

Method of manufacturing a photovoltaic module comprising at least a first layer and a second layer affixed to each other by means of an encapsulant, said method comprising a lamination step wherein the encapsulant material comprises a silane-modified polyolefin having a melting point below 90° C., pigment particles and an additive comprising a cross-linking catalyst; and wherein in said lamination step heat and pressure are applied to the module, said heat being applied at a temperature between 60° C. and 125° C.

BATTERY STRING, BATTERY ASSEMBLY, AND FABRICATION APPARATUS AND FABRICATION METHOD FOR BATTERY STRING
20220406951 · 2022-12-22 · ·

Embodiments of the present disclosure provide a solar cell string, a solar cell module, a manufacturing apparatus and a manufacturing method thereof. The solar cell string includes at least two solar cells including first and second solar cells adjacent to each other; front and back surfaces of each of the at least two solar cells are respectively provided with a grid line, and the grid line on the front surface is connected with the grid line on the back surface by a solder strip, the first and second solar cells have an overlapping region, and the overlapping region is provided with a buffer pad covering at least one side surface of the solder strip located in the overlapping region, and the buffer pad is formed by a pad which is pre-arranged in the overlapping region and melted at high temperature.

LIGHTWEIGHT PASSIVE RADIATIVE COOLING TO ENHANCE CONCENTRATING PHOTOVOLTAICS

A radiatively cooled solar array, including a downwardly-facing solar cell and a mirror positioned below the solar cell and oriented to direct sunlight onto the solar cell. The assembly also includes a heat sink in thermal communication with the solar cell and disposed opposite the mirror. The heat sink is in radiative communication through Earth's atmosphere with outer space.

Encapsulant of a photovoltaic module

An encapsulant of a photovoltaic module, intended for coating a photovoltaic cell, having a composition which does not include any cross-linking agent and including: an ethylene—alkyl acrylate copolymer, the copolymer making up 70% to 96% of the weight of the composition; a silane, making up 0.1% to 2% of the weight of the composition; wherein the composition also includes a terpolymer of ethylene—acrylic ester—maleic anhydride or glycidyl methacrylate, the terpolymer making up 2% to 29.9% of the weight of the composition. Also relates to the use of such an encapsulant in a photovoltaic module as well as to a photovoltaic module including such an encapsulant.

Solar cell and solar cell panel including the same

A solar cell panel is disclosed. The disclosed solar cell panel includes a semiconductor substrate, a conductive region disposed in or on the semiconductor substrate, an electrode connected to the conductive region, a lead electrically connected to the electrode. The electrode includes finger lines, and a bus bar line extending across the finger lines, and electrically connected to the lead. First and second end edge areas are arranged at opposite ends of the bus bar line disposed adjacent to opposite edges of the semiconductor substrate, respectively. The bus bar line includes electrode portions respectively disposed at the first end second end edge areas. Each electrode portion includes an opening formed through the each electrode portion, and an outermost end disposed at a position flush with corresponding ones of the outermost ones of the finger lines or a position outwards of the corresponding outermost finger lines.

Laminated module
11532788 · 2022-12-20 · ·

The present invention relates to a method for laminating solar cell modules comprising a plurality of solar cells electrically connected in series. The method comprises: providing a first and a second flexible substrate portion suitable for roll-to-roll deposition; providing a plurality of first electronic conductors on said first substrate portion and a plurality of second electrodes on said second substrate portion, wherein said plurality of first and second electrodes are provided as stripes spatially separated such that a plurality of gaps is formed; depositing an electronic conductor on one end of the first and second electrodes and depositing a continuous or discontinuous active layer on said plurality of first electrodes or said plurality of second electrodes, wherein said continuous or discontinuous active layer is an organic active layer; laminating by means of heat and pressure said first and said second substrate portions together in a roll-to-roll process such that the electronic conductors are brought into physical contact with the respective electronic conductor arranged on the opposite substrate, and that the active layer is brought into physical contact with the other one of said plurality first electrodes or said plurality of second electrodes and such that the active layer is brought into electrical contact with said plurality of first electrodes and said plurality of second electrodes. The plurality of first electrodes is arranged off-set relative said plurality of second electrodes such that each of said plurality of gaps between said plurality of second electrodes are partly or fully covered at least in one direction by respective one of said plurality of first electrodes. The present invention also relates to a solar cell module.

High light transmittance photovoltaic encapsulating material

The present disclosure relates to a high light transmittance photovoltaic encapsulating material, which is prepared by the following process: subjecting 100 mass parts of a photovoltaic encapsulating material matrix resin or a graft-modified matrix resin, 0.001 to 5 mass parts of an oxygen- or sulfur-containing compound, 0.01 to 10 mass parts of a reactive plasticize 0.01 to 1.5 mass parts of an initiator, 0.01 to 10 mass parts of an assistant cross-linker, 0.1 to 3.0 mass parts of a silane coupling agent, 0.1 to 0.4 mass parts of an ultraviolet light absorber, and 0.1 to 1.0 mass part of light stabilizer to pre-mixing, melt extrusion, film casting, cooling, slitting, and coiling. The light transmittance of the photovoltaic encapsulating material is improved, and the refractive indexes of glass/front-layer encapsulating material/cell match each other, thereby increasing the sunlight utilization ratio of a module, and optimizing the photoelectric conversion efficiency of the module.