US Patent Issued to TOYOTA JIDOSHA on Oct. 6 for "Method for manufacturing negative electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,965, issued on Oct. 6, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Method for manufacturing negative electrode active material" was invented by Masanori Harata (Kariya, Japan), Kazuhiro Niimura (Kariya, Japan), Kota Urabe (Kariya, Japan), Yasuhiro Yamaguchi (Kariya, Japan), Tatsuya Eguchi (Kariya, Japan), Mitsutoshi Otaki (Susono, Japan) and Jun Yoshida (Mishima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a negative electrode active material includes: an alloying step of causing an Na source and an Si source to react to produce an Na-Si alloy containing Na and Si; and a silicon clathrate production step ...