ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,153, issued on Dec. 2, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Method for charging nonaqueous electrolyte secondary cell having lithium-transition metal positive electrode active material" was invented by Ryuichi Natsui (Osaka, Japan), Mitsuhiro Hibino (Kyoto, Japan) and Kensuke Nakura (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This charging method is A method for charging a nonaqueous electrolyte secondary cell containing a lithium-rich positive-electrode active material. When constant-current charging is performed to a predetermined voltage V2 which is equal to or higher than a setting ...