ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,597, issued on June 17, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).

"Battery cell and electric device" was invented by Chunlei Meng (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell includes an electrode assembly and a housing accommodating the electrode assembly. The electrode assembly includes a first electrode plate and a second electrode plate. The first electrode plate includes a current collector, a connecting piece, and a tab. The current collector includes a plurality of stacked flat portions. A fixed end of the connecting piece is connected to one of the flat portions. A free end of the connect...