ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,297, issued on Feb. 3, was assigned to CALB Co. Ltd. (Jiangsu, China).
"Cylindrical battery" was invented by Binwei Qi (Luoyang, China), Qianqian Sun (Changzhou, China) and Lulu Zhang (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical battery includes a battery housing; a cell, which is arranged in the battery housing, and includes a cell body and a tab portion, and the tab portion is extended from at least one side of the cell body; a first insulating film, which is arranged on the outer surface of the cell body, and is connected with the cell; a second insulating film, which is arranged on the outer surface of the cell b...