ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,558, issued on Aug. 11, was assigned to STMICROELECTRONICS INTERNATIONAL N.V. (Geneva).

"Electrochemical impedance spectroscopy excitation through battery passive balancing circuit" was invented by Filippo Bonaccorso (Catania, Italy), Marco Maria Branciforte (Catania, Italy), Fabrizio La Rosa (San Pietro Clarenza, Italy) and Alessandro Carmelo Faulisi (Mascalucia, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods for electrochemical impedance spectroscopy (EIS) for use with batteries are provided, including for a battery passive balancing circuit that may be used to generate a stimulus signal for EIS analysis of ...