ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY WITH THE SAME

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ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY WITH THE SAME

This abstract first appeared for US patent application 20250087663 titled 'ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY WITH THE SAME

Original Abstract Submitted

an electrode assembly includes a separator, and a first electrode and a second electrode positioned across the separator. the separator, the first electrode, and the second electrode are wound around two winding axes and then implement a shape including a central portion and a pair of rounded portions positioned at both sides (e.g., opposite sides) of the central portion. the first electrode includes a first substrate having an inner end, a first composite material layer positioned on a part of the first substrate at a distance from the inner end, and a protection layer positioned on the inner surface of a bent part of the first substrate at a distance from the inner end and the first composite material layer.