| 摘要 |
A material of an interconnector for a solar battery used as an interconnector for a solar battery which connects cells with each other in a solar battery module, in which at least one of Zr and Mg is contained in a range of 3 ppm or more and 20 ppm or less, O is contained at 5 ppm or less in parts per million by mass, the balance consisting of Cu and inevitable impurities, and the residual resistance ratio is 300 or more. Further, an interconnector for a solar battery (32) connects between cells (31) with each other in a solar battery module (30), and the interconnector for a solar battery is made of the above-described material of the interconnector for a solar battery, and which is a rectangular wire having a rectangular cross section, in which a lead-free solder coated layer is formed on at least one of the principal faces extending in a direction at which the rectangular wire extends.
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