ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,781, issued on May 13, was assigned to HONDA MOTOR Co. LTD (Tokyo).
"Fluoride ion secondary battery" was invented by Akihisa Tanaka (Saitama, Japan) and Yoshiyuki Morita (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a fluoride ion secondary battery which has high initial charge/discharge efficiency, while starting with a charged state and having a high voltage. According to the present invention, a composite body is formed using, as negative electrode active materials, nanometer-sized aluminum particles and modified aluminum fluoride together with the other constituents of a negative electrode mixture,...