US Patent Issued to MAXELL on April 22 for "Negative electrode for electrochemical element and a lithium ion secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,688, issued on April 22, was assigned to MAXELL LTD. (Kyoto, Japan).

"Negative electrode for electrochemical element and a lithium ion secondary battery" was invented by Hiroyoshi Aoki (Otokuni-gun, Japan), Hiroshi Abe (Otokuni-gun, Japan), Seiji Ishizawa (Otokuni-gun, Japan) and Haruki Kamizori (Otokuni-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The inventive negative electrode for the electrochemical element includes a negative electrode composition layer provided on at least one surface of a current collector made of a metal foil; in which the negative electrode composition layer includes material S comprising Si and a hardly-graphi...