Gm global technology operations llc (20250149681). HOLLOW CYLINDRICAL BATTERY CELLS AND SYSTEM FOR CONTROLLING THE TEMPERATURE OF THE SAME

HOLLOW CYLINDRICAL BATTERY CELLS AND SYSTEM FOR CONTROLLING THE TEMPERATURE OF THE SAME

Organization Name

gm global technology operations llc

Inventor(s)

Tejas R. Bhavsar of Troy MI US

Mahesh A. Mummigatti of Bangalore IN

HOLLOW CYLINDRICAL BATTERY CELLS AND SYSTEM FOR CONTROLLING THE TEMPERATURE OF THE SAME

This abstract first appeared for US patent application 20250149681 titled 'HOLLOW CYLINDRICAL BATTERY CELLS AND SYSTEM FOR CONTROLLING THE TEMPERATURE OF THE SAME

Original Abstract Submitted

embodiments include an electric vehicle having a battery pack having a plurality of cylindrical battery cells. each of the plurality of cylindrical battery cells includes an external housing, a jelly roll disposed within the external housing, an extended end cap affixed to one end of the external housing, the extended end cap including a central portion that extends a distance that is at least half of a height of the jelly roll into a central aperture of the jelly roll, and an isolation layer disposed between the jelly roll and the central portion and between the jelly roll and the external housing.