ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,643, issued on Aug. 4, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).
"Electrochemical device and electronic device containing same" was invented by Rui Wang (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical device includes a positive electrode, a negative electrode, and a separator. The negative electrode includes a negative active material. The negative active material includes at least one of silicon, tin, germanium, antimony, bismuth, and aluminum. The separator includes a porous substrate and a coating. The coating is located between the porous substrate and the negative electrode, and the coa...