ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,412, issued on March 31, was assigned to VEHICLE ENERGY JAPAN INC. (Ibaraki, Japan).

"Lithium ion secondary battery and method for producing same" was invented by Motonari Kifune (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "It is an object to provide a lithium ion secondary battery that ensures a replaceability of an electrolyte in a proximity of an active material and is excellent in output and responsiveness. The lithium ion secondary battery includes an electrode that includes a negative electrode foil, a negative electrode mixture layer disposed on a surface of the negative electrode foil, and an insulating layer disposed ...