ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,303, issued on Feb. 3, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde, China).
"Electrochemical device" was invented by Qiang Tao (Fujian, China), Chao Gao (Fujian, China), Qiang Zheng (Fujian, China) and Zhanzhao Fang (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cell, formed by winding or stacking a first electrode and a second electrode which are arranged at an interval, and a separator is disposed between the first electrode and the second electrode. The first electrode includes a first current collector, and the first current collector includes a coated region coated with a first active material and an uncoated region w...