Lg energy solution, ltd. (20250112338). CYLINDRICAL SECONDARY BATTERY
CYLINDRICAL SECONDARY BATTERY
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CYLINDRICAL SECONDARY BATTERY
This abstract first appeared for US patent application 20250112338 titled 'CYLINDRICAL SECONDARY BATTERY
Original Abstract Submitted
a cylindrical secondary battery includes an electrode assembly provided with an electrode tab; a battery can configured to accommodate the electrode assembly through an opening defined at one side thereof; a cap plate covering the opening; a collector disposed between the electrode assembly and the cap plate to electrically connect the electrode tab to the battery can; and a spacer having a body part disposed between the collector and the cap plate, a sealing part configured to seal a gap between the battery can and the cap plate, and a connection part configured to connect the body part to the sealing part. the collector includes a center part; a can coupling part coupled to the battery can; and a bridge connecting the center part to the can coupling part. the bridge of the collector and the connection part of the spacer do not overlap other.