ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,247, issued on Oct. 6, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Battery system diagnostics using electrochemical impedance spectroscopy" was invented by Wellington Y. Kwok (Dunlap, Ill.), Jinhui Sun (Dunlap, Ill.) and Jeffrey Abney (Morton, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A detection system for a battery pack may include one or more monitoring devices configured to detect respective response signals, responsive to an EIS input signal applied to terminals of the battery pack, for a plurality of battery cells electrically connected to the terminals. The detection system may include a controller configured to transmit, to an...