ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,826, issued on March 24, was assigned to EnerVenue Holdings Ltd. (Fremont, Calif.).

"Method for operating a metal-hydrogen battery" was invented by Michael J. Kenney (San Francisco), Jingyi Zhu (San Jose, Calif.), Ge Zu (San Jose, Calif.), Yingying Wu (Sunnyvale, Calif.) and Majid Keshavarz (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a metal-hydrogen battery includes monitoring an indicator of degeneration of the metal-hydrogen battery during normal cycles of discharge and charge; determining whether the energy efficiency of the metal-hydrogen battery during normal cycles of discharge and charge is deca...