Which metal is used to connect a solar cell to solar panels?
Photovoltaic ribbon, also known as tinned copper tape or tinned copper flat wire, is divided into a sink tape and an interconnection strip, which is used for the connection of thousands of photovoltaic module cells. Welding tape is an important raw material in the welding process of PV modules. The general selection criteria are based on the thickness of the cell and the amount of short-circuit current to determine the thickness of the tape, the width of the tape should be the same as the width of the main deletion line of the battery, and the softness of the tape generally depends on the thickness of the cell and the welding tool.
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①By copper base material: Cure Copper (99.9%), Oxygen-free copper (99.95%), and Purple Copper ②By tin coating layer: 60%Sn 40%Pb 62%Sn 36%Pb 2%Ag 96.5Sn 3.5%Ag and etc. ③By hardness: 1.Soft 2.Extra Soft 3.Ultra Soft 4.Ultra Soft Plus Tin coated copper strip processing method 1.Copper Strip cutting—Annealing—Tin coated 2.Copper wire flattening—Annealing—Tin coated
