# US 11,908,964 B2 · Method for fabricating and inspecting a photovoltaic assembly with partial crosslinking > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,908,964 B2 - Document ID: US11908964B2 - Status: Granted - Kind: B2 - Application number: 17/785,322 - Filed: 2020-11-12 - Published: 2023-01-05 - Granted: 2024-02-20 - Earliest claimed: 2019-12-16 - Assignees: Commissariat A L'energie Atomique Et Aux Energies Alternatives - Applicants: Commissariat A L'energie Atomique Et Aux Energies Alternatives - Inventors: Philippe Voarino; Romain Cariou - Web page: https://patentgrep.com/patent/US11908964B2 ## CPC - H10F 19/80: Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells - H10F 71/00: Manufacture or treatment of devices covered by this subclass (patterning processes to connect thin photovoltaic cells in integrated devices, or assemblies of multiple devices, having photovoltaic cells H10F19/33; manufacture or treatment of encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells H10F19/80; manufacture or treatment of integrated devices, or assemblies of multiple devices, comprising at least one element in which radiation controls the flow of current H10F39/00) - H10P 74/203: {Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects} - Y02E 10/50: Photovoltaic [PV] energy - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - H10P: GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A method is provided for fabricating and inspecting a photovoltaic assembly including a base, at least one photovoltaic module, and at least one adhesion layer based on a crosslinkable polymer material. The method includes depositing the at least one adhesion layer on the base; an assembly step; a partial crosslinking step; an electrical connection step; inspecting for mechanical and electrical functioning; in the event of correct functioning being detected, a crosslinking finalization step; in the event of incorrect functioning being detected removing at least one defective photovoltaic module. ## Claims ### Claim 1 A method for fabricating and inspecting a photovoltaic assembly, including a base, at least one photovoltaic module comprising at least one photovoltaic cell between a first transparent layer forming a front face of said at least one photovoltaic module and the base, and at least one adhesion layer based on a crosslinkable polymer material, disposed between the base and said at least one photovoltaic module, wherein the method comprises: a step A) of depositing said at least one adhesion layer on the base, a step B) of assembling said at least one photovoltaic module on the base covered by said at least one adhesion layer, a step C) of partially crosslinking said at least one adhesion layer based on a crosslinkable polymer material to form at least one partially crosslinked adhesion layer, having an adhesive power allowing a subsequent removal of said at least one photovoltaic module, an electrical connection step D) of electrically connecting said at least one photovoltaic module to electrical connection means of the base, a step E) of inspecting the mechanical and electrical functioning of said at least one photovoltaic module, in the event of correct functioning being detected at an outcome of step E), a step F) of finalizing the crosslinking of said at least one partially crosslinked adhesion layer, and in the event of incorrect functioning being detected at the outcome of step E), a step G) of removing at least one defective photovoltaic module, then returning to step A) in view of assembling one or more new photovoltaic modules. ### Claim 2 (depends on 1) The method according to claim 1, wherein the step G) is followed by a step H) of cleaning the base at the location of removal of said at least one defective photovoltaic module before returning to step A). ### Claim 3 (depends on 1) The method according to claim 1, wherein a thickness of said at least one adhesion layer is between 10 μm and 1 mm. ### Claim 4 (depends on 1) The method according to claim 1, wherein the assembly step B) precedes the partial crosslinking step C). ### Claim 5 (depends on 1) The method according to claim 1, wherein the assembly step B) follows the partial crosslinking step C). ### Claim 6 (depends on 1) The method according to claim 1, wherein an average crosslinking rate implemented during the partial crosslinking step C) is between 10% and 60% by volume or by mass. ### Claim 7 (depends on 1) The method according to claim 1, wherein the crosslinkable polymer material of said at least one adhesion layer is selected from the silicone family. ### Claim 8 (depends on 1) The method according to claim 1, wherein the step E) of inspecting the mechanical and electrical functioning of said at least one photovoltaic module comprises performing an electrical test of each set of one or more photovoltaic cells of said at least one photovoltaic module. ### Claim 9 (depends on 1) The method according to claim 1, wherein the step F) of finalizing the crosslinking of said at least one partially crosslinked adhesion layer is performed by exposing the photovoltaic assembly to ambient temperature for a duration greater than 24 hours. ### Claim 10 (depends on 1) The method according to claim 1, wherein the step F) of finalizing the crosslinking of said at least one partially crosslinked adhesion layer is performed by exposing the photovoltaic assembly to an external energy input. ### Claim 11 (depends on 1) The method according to claim 1, wherein the crosslinking finalization step F) is followed by an additional inspection step E). ### Claim 12 (depends on 1) The method according to claim 1, wherein the crosslinking finalization step F) is followed by a step of bending the photovoltaic assembly. ### Claim 13 (depends on 1) The method according to claim 1, wherein the inspection step E) is preceded by a step of bending the photovoltaic assembly. ### Claim 14 (depends on 1) The method according to claim 1, wherein the step C) of partially crosslinking said at least one adhesion layer based on a crosslinkable polymer material includes partially crosslinking a total volume of said at least one adhesion layer. ### Claim 15 (depends on 1) The method according to claim 1, wherein the step C) of partially crosslinking said at least one adhesion layer based on a crosslinkable polymer material includes partially crosslinking a total volume of said at least one adhesion layer. ### Claim 16 (depends on 15) The method according to claim 15, wherein the partial crosslinking is performed on one or more areas of the surface of said at least one adhesion layer and/or on a portion or a whole of the thickness of said at least one adhesion layer. ### Claim 17 (depends on 1) The method according to claim 1, wherein said at least one adhesion layer based on a crosslinkable polymer material is in the liquid state. ### Claim 18 (depends on 1) The method according to claim 1, wherein said at least one photovoltaic module includes a first transparent layer forming a front face of said at least one photovoltaic module, a second layer forming a rear face of said at least one photovoltaic module, and a plurality of photovoltaic cells electrically connected to one another and disposed side by side between the first layer and the second layer.