ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,801, issued on Feb. 10, was assigned to CALB Co. Ltd. (Jiangsu, China).
"Single battery, battery apparatus and power consumption apparatus" was invented by Dong Zhao (Changzhou, China) and Yuyang Shen (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A single battery, a battery apparatus, and a power consumption apparatus are provided. The single battery includes a casing having an accommodating cavity and at least one winding core accommodated in the accommodating cavity. The winding core includes a positive electrode piece, a negative electrode piece, and a separator. After being laminated, the winding core is formed with flat surfa...