| 摘要 |
<p>A rechargeable battery including: an electrode assembly (10, 210) including a first electrode (11), a second electrode (12), and a separator (13) between the first and second electrodes (11, 12); a case (20) receiving the electrode assembly (10, 210); a cap plate (30) coupled to the case (20); an electrode terminal (41, 42) connecting the electrode assembly (10, 210) to an outside of the cap plate (30); and a lead tab (51, 52, 252) electrically connecting the electrode assembly (10, 210) and the electrode terminal (41, 42), and the electrode assembly (10, 210) includes a coated region (11a, 12a, 14a) of the first electrode (11), and an uncoated region (11b, 12b, 14b) of the first electrode (11) adjacent an end portion of the coated region (11a, 12a, 14a), the uncoated region (11b, 12b, 14b) having a through hole (61, 62, 262) formed therein and connecting an inner portion of the electrode assembly (10, 210) to an outside of the electrode assembly (10, 210).</p> |
