ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,486, issued on Oct. 21, was assigned to GS Yuasa International Ltd. (Kyoto, Japan).
"Energy storage device and energy storage apparatus" was invented by Yuta Nakamura (Kyoto, Japan) and Yohei Shibata (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage device according to an aspect of the present invention includes: a positive electrode including a positive active material layer; a negative electrode; and a nonaqueous electrolyte, the positive active material layer includes boron and aluminum, and a maximum voltage width that is a difference between a charge upper limit voltage and a discharge lower limit voltage under norm...