US Patent Issued to Semiconductor Energy Laboratory on Sept. 9 for "Method for forming positive electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,893, issued on Sept. 9, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Method for forming positive electrode active material" was invented by Yohei Momma (Kanagawa, Japan), Teruaki Ochiai (Kanagawa, Japan), Mayumi Mikami (Kanagawa, Japan), Jo Saito (Kanagawa, Japan) and Masahiro Takahashi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for forming a positive electrode active material of a lithium ion secondary battery is provided. In the method for forming a positive electrode active material, a first container that includes a mixture of lithium oxide, fluoride, and a magnesium compound and fluor...