ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,848, issued on Nov. 11, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Negative electrode for use in fluoride ion secondary battery and fluoride ion secondary battery including same" was invented by Akihisa Tanaka (Saitama, Japan) and Yoshiyuki Morita (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a fluoride ion secondary battery having a capacity larger than that of a conventional one. The fluoride ion secondary battery has a negative electrode including zirconium fluoride as a negative electrode active material. The zirconium fluoride may be in the form of particles with an average particle size of 100 nm or less, and t...