ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,049, issued on Sept. 16, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).
"Power storage device, method for manufacturing power storage device, and electronic device" was invented by Kazuhei Narita (Kanagawa, Japan), Ryota Tajima (Kanagawa, Japan) and Teppei Oguni (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a power storage device whose charge and discharge characteristics are unlikely to be degraded by heat treatment. To provide a power storage device that is highly safe against heat treatment. The power storage device includes a positive electrode, a negative electrode, a separator, an ...