Tungsten-containing glass frit for electroconductive paste composition
European Patent Office Patent
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Abstract
An electroconductive paste composition including metallic particles, glass frit including lead oxide, silicon dioxide, and tungsten or a tungsten-containing compound, and an organic vehicle is provided. The invention also provides a solar cell produced by applying the electroconductive paste according to the invention to a silicon wafer and firing the silicon wafer. The invention further provides a solar cell module comprising electrically interconnected solar cells according to the invention. The invention also provides a method of producing a solar cell, including the steps of providing a silicon wafer having a front surface and a back surface, applying an electroconductive paste according to the invention to the silicon wafer, and firing the silicon wafer.
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