ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,262, issued on Jan. 27, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).
"Battery cell, battery, and electric device" was invented by Kai Wu (Ningde, China), Xiaobo Chen (Ningde, China), Sike Liu (Ningde, China), Mingguang Gu (Ningde, China) and Jingfeng Bai (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell includes a casing with a wall portion having a weakened portion configured to rupture when internal pressure is released. The outer surface of the wall portion has a center point. A minimum distance between a projection of the weakened portion and the center point is defined as a, and a minimum ...