| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a secondary battery, which can quickly cut off charge and/or discharge paths by elastic force from an elastic force offering part in addition to a fusion phenomenon of a fuse when an external short circuit or overcharge occurs to the secondary battery.SOLUTION: A secondary battery includes: a case; an electrode assembly housed in the case; a collector plate coupled to the electrode assembly and comprising a fuse part; a terminal coupled to the collector plate and extending to an outside of the case; and an elastic force offering part between the case and the collector plate.</p> |
