ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,859, issued on Feb. 10, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde, China).
"Battery cell and electrical device" was invented by Sheng Li (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell includes a housing, an electrode assembly, a positive electrode column and a negative electrode column. The housing includes an accommodation cavity accommodating the electrode assembly. The positive electrode column and the negative electrode column are electrically connected to the electrode assembly, the positive electrode column and the negative electrode column respectively protrude from an outer end surface of the housin...