US Patent Issued to NINGDE AMPEREX TECHNOLOGY on March 17 for "Battery cell and electric apparatus" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,278, issued on March 17, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).

"Battery cell and electric apparatus" was invented by ZhiFang Dai (Ningde City, China), Sen Zhang (Ningde City, China) and Hai Long (Ningde City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell is formed by winding a first electrode plate, a separator, and a second electrode plate, the first electrode plate includes a first current collector, a first active substance layer disposed on a surface of the first current collector, and at least one first tab; the first active substance layer is provided with a first groove, and the first tab ...