US Patent Issued to Sumitomo Chemical, Kyoto University on Aug. 4 for "Production method for positive electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,217, issued on Aug. 4, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo) and Kyoto University (Tokyo).

"Production method for positive electrode active material" was invented by Marie Takiguchi Takemoto (Osaka, Japan) and Satoshi Shimano (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a positive electrode active material, includes the steps of (1) bringing an electrode mixture containing a positive electrode active material, a binder, and an electrolyte into contact with an electrolyte cleaning solvent to obtain a slurry containing a solid component and a liquid component, and then separating the slurry into the s...