Abstract: An electroconductive paste for use in solar cell technology comprising a first silver particle that is less than one micron in size and having a surface area of greater than 2.4 m2/g, as well as glass frit and an organic vehicle. Another embodiment of the invention relates to an electroconductive paste for use in solar cell technology further comprising a second silver particle that is greater than one micron in size and having a surface area of less than 2 m2/g. According to another embodiment, the total silver content of the paste is less than about 83.5 wt. %. Another embodiment of the invention relates to a solar cell comprising a silicon wafer having at having a surface electrode comprising the electroconductive pastes according to the invention. Another embodiment of the invention relates to a solar cell module comprising electrically interconnected solar cells according to the invention.

Abstract: The invention provides an inorganic reaction system for the preparation of electroconductive paste. Particularly, an inorganic reaction system comprises conductive glass. The inorganic reaction system may comprise a silver containing matrix forming composition. The silver containing matrix composition may comprise at least one of silver oxide or silver halide, or both. The invention also provides solar cells manufactured utilizing an electroconductive paste comprising an inorganic reaction system comprising conductive glass, and methods of manufacturing solar cells utilizing an electroconductive paste comprising an inorganic reaction system comprising conductive glass.

Abstract: This disclosure relates to electroconductive paste formulations useful in solar panel technology. In one aspect, the disclosure relates to an inorganic reaction system for use in electroconductive paste compositions, wherein the inorganic reaction system comprises a lead containing matrix composition and a tellurium containing matrix composition. In another aspect, the disclosure relates to an electroconductive paste composition comprising a conductive metal component, an inorganic reaction system and an organic vehicle. Another aspect of the disclosure relates to a solar cell produced by applying an electroconductive paste composition of the invention to a silicon wafer. Yet another aspect relates to a solar cell module assembled using solar cells produced by applying an electroconductive paste composition to a silicon wafer, wherein the electroconductive paste composition comprises an conductive metal component, an inorganic reaction system and an organic vehicle.

Abstract: An electroconductive paste composition is provided. The electroconductive paste composition includes electroconductive metal particles, glass powder, at least one metal oxide powder and an organic vehicle. The electroconductive metal particles include at least one of silver coated metal powder and silver coated metal flake and at least one of uncoated silver powder and uncoated silver flake. In use, the paste is deposited on a specified substrate and fired in an ambient air environment.