ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,486, issued on March 18, was assigned to Bayerische Motoren Werke AG (Munich).
"Charging of a battery cell" was invented by Jan Philipp Schmidt (Holzmaden, Germany) and Johannes Wandt (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for charging a battery cell is provided. During a charging phase at a constant charging current, monitoring is carried out to ascertain whether a charging voltage applied to the battery cell reaches or exceeds a predefined switchover voltage, and, if this is the case, a switchover is made to the next charging phase at a lower constant charging current. During the charging phases, additional monitoring is ...