ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,581, issued on Aug. 4, was assigned to Ningde Amperex Technology Ltd. (Ningde City, China).
"Electrochemical apparatus and electronic apparatus" was invented by Kefei Wang (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical apparatus, including a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode active substance layer formed on the negative electrode current collector. The negative electrode current collector has a high tensile strength and the negative electrode active substance layer has a specific weight. The ele...