US Patent Issued to GM Global Technology Operations on May 27 for "Apparatus and method for constant pressure regulation of one or more battery cells" (Canadian, American Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,891, issued on May 27, was assigned to GM Global Technology Operations LLC (Detroit).

"Apparatus and method for constant pressure regulation of one or more battery cells" was invented by Herman K. Phlegm (West Bloomfield, Mich.), Srikanth Arisetty (Novi, Mich.), Rajesh K. Bhagirath (Lasalle, Canada) and Edgar P. Calderon (Sterling Heights, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for constant pressure regulation of battery cells includes disposing the cells in a stacked arrangement within a battery cell placement volume of an apparatus configured to maintain a constant pressure on the cells, providing a gas pressure within a cha...