ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,684, issued on April 22, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).
"Secondary battery electrode and method for producing the electrode" was invented by Naohiro Mashimo (Toyota, Japan), Katsushi Enokihara (Toyota, Japan) and Haruka Shionoya (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode having both high energy density and ion diffusivity includes an electrode active material layer on either a positive-or negative-electrode current collector, in which the electrode active material layer has a concave/convex shape on its surface in a predetermined pattern at a constant pitch. In a cross-sectional SEM image...