US Patent Issued to Mazda Motor on July 1 for "Lithium ion secondary battery and production method thereof" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,866, issued on July 1, was assigned to Mazda Motor Corp. (Hiroshima, Japan).

"Lithium ion secondary battery and production method thereof" was invented by Kei Shimamoto (Shimonoseki, Japan), Takao Fukunaga (Tokyo), Hideyuki Sugiyama (Tokyo), Wataru Masuda (Aki-gun, Japan), Hiroki Fujita (Aki-gun, Japan) and Munetaka Higuchi (Aki-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium ion secondary battery includes: a positive electrode having a positive electrode active material layer on a surface of a positive electrode collector; a negative electrode a having a negative electrode active material layer on a surface of a negative electrod...