ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,791, issued on April 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Equalization cell determination device and method" was invented by Osamu Shimizu (Komaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "For lithium-ion batteries that are composed of multiple battery cells and have a flat region in the SOC-OCV characteristic curve where the rate of change in open circuit voltage with respect to state of charge is less than or equal to a predetermined value, an equalization method is used to determine which battery cells should be subjected to equalization processing. The equalization cell determination device includes an acquisiti...