ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,809, issued on June 9, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Weld-free bipolar solid-state battery cell" was invented by Jingyuan Liu (Shanghai), Sherman H. Zeng (Troy, Mich.), Zhe Li (Shanghai), Qili Su (Shanghai) and Haijing Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bipolar battery cell includes a stack including N current collectors, M anode electrodes, S separators, and C cathode electrodes, where N, M, S and C are integers greater than one. A first positioning member is arranged on one side of the stack and includes a first planar portion and a first slot in the first planar portion. A first one of ...