US Patent Issued to GM Global Technology Operations on Nov. 3 for "Polygonal battery cell with wound jelly roll" (Michigan Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,133, issued on Nov. 3, was assigned to GM Global Technology Operations LLC (Detroit).

"Polygonal battery cell with wound jelly roll" was invented by Liang Xi (Northville, Mich.), Michael V. Pyrtko (Ferndale, Mich.), SriLakshmi Katar (Troy, Mich.) and Michael A. Lelli (Rochester, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hexagonal battery cell. The battery cell may include a wound jelly roll within a hexagonally shaped case. The jelly roll may include a separator layer sandwiched between a cathode layer and an anode layer, with the separator, cathode, and anode layers wound together relative to a central axis. The hexagonally shaped case ...