ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,576, issued on May 5, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).
"Secondary battery and electric device" was invented by Miaomiao Dong (Ningde, China), Lili Wu (Ningde, China), Xuan Li (Ningde, China), Xingbu Chen (Ningde, China), Liang Yun (Ningde, China) and Xin Sun (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery and an electric device are disclosed. The secondary battery includes a positive electrode sheet and a negative electrode sheet. The positive electrode sheet has a film layer comprising a positive electrode active material that contains transition metal elements, where nickel a...