ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,439, issued on May 26, was assigned to BYD Co. Ltd. (Shenzhen, China).

"Battery core and battery" was invented by Xinyue Wang (Shenzhen, China), Wansong Yuan (Shenzhen, China), Dongjun Deng (Shenzhen, China) and Kefeng He (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery core and a battery are provided. The battery core includes a plate, a separator, a tab, and an insulating support portion. The tab is connected with the plate. The insulating support portion is arranged on an end of the plate and supports the tab. The tab extends through the insulating support portion and extends outward."

The patent was filed on Dec. 19, 202...