ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,736, issued on Oct. 28, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).
"Sodium metal battery and electrochemical apparatus" was invented by Yuqun Zeng (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sodium metal battery and an electrochemical apparatus, the battery has a positive electrode sheet and a negative electrode sheet, the negative electrode sheet being a negative electrode current collector, and a sodium layer deposited in situ on the negative electrode current collector having a thickness of less than=30 nm after the battery is charged and discharged for the first time. After the battery cell ...