LEAD WIRE FOR SOLAR CELL AND SOLAR CELL

• Main Authors: TAKAHASHI TAKESHI, AKUTSU HIROYUKI, SAWAHATA KATSUNORI, BANDO CHU, ENDO HIROHISA, OKIKAWA HIROSHI, HIGASHITANI IKU, NISHI HAJIME, KURODA HIROMITSU
• Format: Patent
• Language: English; Japanese
• Published: 12.02.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; 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; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SEMICONDUCTOR DEVICES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

PROBLEM TO BE SOLVED: To provide a lead wire for solar cell superior in bondability to a solar cell.SOLUTION: In a lead wire 10 for solar cell used in a solar cell including an electrode not impregnated with solder, an oxide film on the surface of a molten solder plating layer 13, provided on a strip conductive material 12 having a cross section processed in rectangular shape, has a thickness of 7.0 nm or less. 【課題】太陽電池セルとの接合性に優れた太陽電池用リード線を提供する。【解決手段】はんだが含浸されていない電極を備えた太陽電池セルに用いられる太陽電池用リード線１０であって、断面形状が平角状に加工された帯板状導電材１２に設けられた溶融はんだめっき層１３の表面の酸化膜の厚さが７．０ｎｍ以下である太陽電池用リード線１０。【選択図】図１Ａ