US Patent Issued to Sumitomo Chemical, Kyoto University on Sept. 22 for "Method for producing positive electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,883, issued on Sept. 22, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo) and Kyoto University (Kyoto, Japan).

"Method for producing 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: (1) mixing an activation agent containing at least one type of compound selected from the group consisting of a potassium compound and a sodium compound with an electrode material mixture containing a positive electrode active material, a binder, and an electrolyte, from which ...