ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,316, issued on June 17, was assigned to CALB Co. Ltd. (Jiangsu, China).
"State of charge determination method and apparatus for battery system" was invented by Ruijun Ma (Changzhou, China), Qiang Yun (Changzhou, China), Fangfang Pan (Changzhou, China) and Kui Li (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A state of charge (SOC) determination method and apparatus for a battery system are disclosed. Based on a correspondence between impedance and SOC, a correspondence between OCV and SOC, and an operating current at a previous data collection moment, a correction coefficient at a current data collection moment can be determined. ...