ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,118, issued on July 28, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Secondary battery" was invented by Kenji Matsubara (Osaka, Japan), Kazuhiro Iida (Nara, Japan), Masanobu Takeuchi (Osaka, Japan) and Atsushi Fukui (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery which comprises a positive electrode, a negative electrode, and an electrolytic solution, wherein the electrolytic solution comprises water, a lithium salt, and an additive, the additive including at least one of alkaline-earth metal salts, dicarboxylic acids, carboxylic anhydrides, and organic carbonates, and the nega...