US Patent Issued to TOYOTA JIDOSHA on June 30 for "Method for producing active material" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,085, issued on June 30, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Method for producing active material" was invented by Takayuki Uchiyama (Susono, Japan), Shizuka Masuoka (Atsugi, Japan) and Tetsuya Waseda (Susono, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A main object of the present disclosure is to provide a method for producing an active material wherein a volume variation due to charge/discharge is reduced. The present disclosure achieves the object by providing a method for producing an active material, the method comprising steps of: a preparing step of preparing a LiSi precursor including a Si element and a Li element,...