SOLAR-CELL INTERCONNECTOR AND SOLAR CELL MODULE

• Main Authors: SAWAKI NAOYA, NAKATSUKA JUN, KIMURA KEIICHI, TERASHIMA SHINICHI, TANAKA MASAMOTO
• Format: Patent
• Language: English; French; Japanese
• Published: 30.07.2015
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CABLES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; CONDUCTORS; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INSULATORS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; PERFORMING OPERATIONS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SEMICONDUCTOR DEVICES; SOLDERING OR UNSOLDERING; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WELDING; WORKING BY LASER BEAM

The purpose of the present invention is to provide a solar-cell interconnector capable of suppressing internal breakage and detachment from a solar cell caused by thermal-stress concentration; and a solar cell module. The present invention makes it possible to provide a solar-cell interconnector which: is capable of suppressing variations in thickness, because it is possible to thinly form the thickness of an intermetallic compound phase; is capable of avoiding concentrations of thermal stress in comparison to the prior art, because there are no sections in the intermetallic compound phase such as those in the prior art which exhibit severe changes in the thickness thereof; and consequently, is capable of suppressing internal breakage and detachment from the solar cell caused by thermal stress concentration. The present invention also provides a solar cell module. La présente invention a pour objet de réaliser un élément d'interconnexion pour cellule solaire capable de supprimer les ruptures internes et le décollement d'une cellule solaire provoqués par la concentration de contraintes thermiques ; et un module à cellules solaires. La présente invention permet de réaliser un élément d'interconnexion pour cellule solaire qui : est capable de supprimer les variations d'épaisseur du fait qu'il est possible de former en couches minces l'épaisseur d'une phase de composé intermétallique ; est capable d'éviter les concentrations de contraintes thermiques en comparaison de l'art antérieur du fait qu'il n'existe aucune section dans la phase de composé intermétallique comme celles de l'art antérieur qui présentent d'importantes variations de leur épaisseur ; et, par conséquent, est capable de supprimer les ruptures internes et le décollement de la cellule solaire provoqués par la concentration de contraintes thermiques. La présente invention concerne également un module à cellules solaires. 　熱応力の集中によって生じる太陽電池セルからの剥離や、内部での破壊を抑制できる太陽電池用インターコネクタ及び太陽電池モジュールを提供することを目的とする。金属間化合物相の厚みを薄く形成できることから厚みのばらつきを抑制し得、金属間化合物相に従来のような厚みの変化が激しい部位が形成されることがない分、従来よりも熱応力の集中を回避でき、かくして、熱応力の集中によって生じる太陽電池セルからの剥離や、内部での破壊を抑制できる太陽電池用インターコネクタ及び太陽電池モジュールを提供できる。