	US 11,756,699 B1
	Conductive silver aluminum paste, preparation method, electrode and cell
Xiaolong Chen, Shanghai (CN); Liang Qiao, Shanghai (CN); Bing Liu, Shanghai (CN); Jie Liu, Shanghai (CN); Can Ma, Shanghai (CN); and Yun Wang, Shanghai (CN)
Assigned to SHANGHAI SILVER PASTE SCI. & TECH. CO., LTD., Shanghai (CN)
Filed by Shanghai Silver Paste Sci. & Tech. Co., LTD., Shanghai (CN)
Filed on Nov. 14, 2022, as Appl. No. 17/986,785.
Claims priority of application No. 202210552555.1 (CN), filed on May 20, 2022.
Int. Cl. H01B 1/22 (2006.01); H01L 31/0224 (2006.01)

CPC H01B 1/22 (2013.01) [H01L 31/022425 (2013.01)]

10 Claims

1. A conductive silver aluminum paste, comprising a silver powder, an aluminum powder, a silicon powder, a first-type glass powder, a second-type glass powder and an organic vehicle; the conductive silver aluminum paste having a total weight of 100% and comprising the following components by weight percentage:

80.0%-90.0% of silver powder;

0.3%-2.5% of aluminum powder;

0.0%-1.5% of silicon powder;

1.0%-6.0% of first-type glass powder;

0.5%-4.0% of second-type glass powder; and

7.0%-15.0% of organic vehicle;

wherein the first-type glass powder is Pb-Zn-B-O-M glass powder, and the second-type glass powders is Ba-B-O-M glass powder, M is at least one of alkali metal elements; the organic vehicle is a vehicle of organic resin and/or cellulose, and a content of the organic resin and/or the cellulose in the organic vehicle is not higher than 10.0% of a total mass of the organic vehicle.