The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2017
Filed:
Mar. 10, 2014
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Esther Kim, Cary, NC (US);
Brian J Laughlin, Apex, NC (US);
Kurt Richard Mikeska, Hockessin, DE (US);
Yusuke Tachibana, Kanagawa, JP;
Paul Douglas Vernooy, Hockessin, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
The present invention is directed to a conductive paste used for solar cell electrodes comprising, (i) 60 wt % to 95 wt % of a conductive powder, based on the total weight of the conductive paste, (ii) 0.1 wt % to 10 wt % of a lead-tellurium-oxide powder, based on the total weight of the conductive paste, comprising 20 wt % to 60 wt % of PbO and 20 wt % to 60 wt % of TeO, based on the total weight of the lead-tellurium-oxide powder, (iii) 3 wt % to 38 wt % of an organic medium, based on the total weight of the conductive paste, and (iv) 0.01 wt % to 5.0 wt % of lithium oxide powder selected from the group consisting of LiMnO, LiWO, LiCO, LiTiO, LiTiO, LiMoOand a mixture thereof, based on the total weight of the conductive paste.