| 摘要 |
A rechargeable battery including an electrode assembly including a positive electrode and a negative electrode on surfaces of a separator; a case accommodating the electrode assembly, the case including an opening at one end thereof; a cap plate closing the opening of the case, the cap plate including a terminal hole therethrough; an electrode terminal in the terminal hole of the cap plate; and a nut screw-coupled to the electrode terminal outside of the case, wherein the nut includes a first gripping portion extending toward the cap plate, the first gripping portion being configured to prevent releasing of the nut in a reversed fastening direction, and being supported on the cap plate.
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