US Patent Issued to PRIME PLANET ENERGY & SOLUTIONS on Oct. 14 for "Method of producing non-aqueous electrolyte secondary battery, and negative electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,747, issued on Oct. 14, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).

"Method of producing non-aqueous electrolyte secondary battery, and negative electrode active material" was invented by Yuta Matsuo (Kobe, Japan), Kaori Ishikawa (Nishinomiya, Japan), Kunihiko Hayashi (Miki, Japan) and Masumi Terauchi (Koriyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode active material is prepared by mixing a first graphite particle and a second graphite particle. A negative electrode including the negative electrode active material is produced. A non-aqueous electrolyte secondary battery including the negative elect...