US Patent Issued to Murata Manufacturing on Nov. 3 for "Secondary battery" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,105, issued on Nov. 3, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Secondary battery" was invented by Nidhi Jain (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes a negative electrode active material layer and a film. The film covers a surface of the negative electrode active material layer. The film includes sulfur and oxygen. A first peak derived from SO2- and a second peak derived from S- are detectable based on a negative ion analysis of the film by time-of-flight secondary ion mass s...