US Patent Issued to Murata Manufacturing on Oct. 21 for "Secondary battery having a film covering a negative active material layer" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,518, issued on Oct. 21, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Secondary battery having a film covering a negative active material layer" was invented by Tomomi Sakuma (Kyoto, Japan), Masahiro Miyamoto (Kyoto, Japan) and Raman Kukreja (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 film covering a negative electrode active material layer. The electrolytic solution includes a chain carboxylic acid ester. According to an analysis of the film by inductively coupled plasma optical e...