| 摘要 |
A rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case receiving the electrode assembly; a cap plate coupled to the case; an electrode terminal connecting the electrode assembly to an outside of the cap plate; and a lead tab electrically connecting the electrode assembly and the electrode terminal, and the electrode assembly includes a coated region of the first electrode, and an uncoated region of the first electrode adjacent an end portion of the coated region, the uncoated region having a through hole formed therein and connecting an inner portion of the electrode assembly to an outside of the electrode assembly.
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