BATTERY CELL AND BATTERY CELL MANUFACTURING METHOD

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BATTERY CELL AND BATTERY CELL MANUFACTURING METHOD

This abstract first appeared for US patent application 20250149691 titled 'BATTERY CELL AND BATTERY CELL MANUFACTURING METHOD

Original Abstract Submitted

a battery cell and a battery cell manufacturing method are disclosed. a battery cell includes an electrode assembly, a cell case in which the electrode assembly is arranged, and including an opening to allow the electrode assembly to be inserted in the cell case, and a cap plate assembly arranged on the cell case to close the opening, and the cap plate assembly includes a cap plate including a first uneven surface in which a plurality of first recesses is defined, a terminal including a second uneven surface in which a plurality of second recesses is defined and which faces the first uneven surface, and a first insulator filling the plurality of first recesses and the plurality of second recesses and located between the first uneven surface and the second uneven surface.