Gm global technology operations llc (20250149758). BATTERY CELL INCLUDING INTERNAL TERMINAL LASER-WELDED TO FOLDED EXTERNAL CONNECTOR TABS

BATTERY CELL INCLUDING INTERNAL TERMINAL LASER-WELDED TO FOLDED EXTERNAL CONNECTOR TABS

Organization Name

gm global technology operations llc

Inventor(s)

Masoud Mohammadpour of Novi MI US

Junjie Ma of Novi MI US

Hui-ping Wang of Troy MI US

Teresa Jean Rinker of Royal Oak MI US

Vincent Edward Herrman of Clawson MI US

BATTERY CELL INCLUDING INTERNAL TERMINAL LASER-WELDED TO FOLDED EXTERNAL CONNECTOR TABS

This abstract first appeared for US patent application 20250149758 titled 'BATTERY CELL INCLUDING INTERNAL TERMINAL LASER-WELDED TO FOLDED EXTERNAL CONNECTOR TABS

Original Abstract Submitted

a battery cell including a stack and a first internal terminal. the stack includes: c cathode electrodes each including a cathode current collector, a cathode active layer arranged on the cathode current collector, and an external connector extending from the cathode current collector; a anode electrodes each including an anode current collector, an anode active layer arranged on the anode current collector, and an external connector extending from the anode current collector; and s separators, where c, a, and s are integers greater than one. each one of the external connectors, of one of the c cathode electrodes and the a anode electrodes, includes a first tab and a second tab extending farther than the first tab, the second tabs are folded onto the first tabs, and the first internal terminal is laser welded onto the second tabs.