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:
Nov. 11, 2025
Filed:
Apr. 23, 2024
Conductive silver paste for sintering by leco technology, preparation method, electrode, and battery
Shanghai Silver Paste Sci. & Tech. Co., Ltd., Shanghai, CN;
Jie Liu, Shanghai, CN;
Mingfei Shu, Shanghai, CN;
Xiaolong Chen, Shanghai, CN;
Liang Wang, Shanghai, CN;
SHANGHAI SILVER PASTESCI. & TECH. CO., LTD., Shanghai, CN;
Abstract
The present invention discloses conductive silver paste for sintering by LECO technology, a preparation method, an electrode, and a battery. The conductive silver paste comprises silver powder, glass powder, organic carrier, and inorganic additive; in weight percentage, the weight percentage contents of these components are: silver powder 84.0%-92.0%, glass powder 0.5%-3.0%; organic carrier 6.5%-13.5%; inorganic additive 0.2%-1.0%; wherein the glass powder comprises main glass powder, the main glass powder is glass powder containing Pb, O, and first main element, second main element, and third main element systems; the first main element comprises at least Si, the second main element comprises at least B, the third main element comprises at least Ag. An N-type TOPcon battery manufactured by the conductive silver paste of the present invention has characteristics of a high opening voltage and high photoelectric conversion efficiency.