Shanghai Silver Paste Sci. & Tech. Co., Ltd.

Mingfei Shu

Liang Wang

Jie Liu

Xiaolong Chen

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.

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Shanghai, China

Mingfei Shu