Silver alloy foil for interconnector for solar cell

Details Silver alloy foil for interconnector for solar cell Silver alloy foil for interconnector for solar cell

1990-03-23

1991-06-11

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

420501, C22C 506

Patent

active

050231448

ABSTRACT:
There is disclosed a silver alloy foil for an interconnector of a solar cell. The silver alloy contains 10 ppm to 1,000 ppm of calcium; 10 ppm to 750 ppm of at least one element selected from the group consisting of beryllium, lanthanum and indium; balance silver and unavoidable impurities. The alloy is less susceptible to softening even when the solar cell is exposed to temperature cycling. If calcium is further added, the hardness does not decrease even with the passage of time, to thereby exhibit superior characteristics for a prolonged period of time.

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