ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,154, issued on March 11, was assigned to Arkema France (Colombes, France).

"Use of 2,3,3,3-tetrafluoropropene for heating a lithium battery" was invented by Gregory Schmidt (Pierre-Benite, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the heating of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the electrolyte including a lithium salt and the negative electrode including metallic lithium as electrochemically active material."

The patent was filed on June 3, 2020, under App...