ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,170, issued on July 14, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Secondary battery negative electrode and secondary battery" was invented by Norihisa Yamamoto (Osaka, Japan), Masahiro Soga (Osaka, Japan) and Takashi Watanabe (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery negative electrode according to the present invention is provided with a negative electrode mixture layer comprising: a negative electrode active material that contains an Si compound; and a binding material that includes cellulose nanofibers having a fiber diameter of 9 nm or less and a conductive materia...