| 摘要 |
A secondary battery includes a wound electrode assembly having a first electrode plate having a non-coating portion, a second electrode plate having a non-coating portion, and a separator between the first electrode plate and the second electrode plate; a collecting plate having a track accommodating and electrically coupled to the non-coating portion of one of the electrode plates; a case housing the electrode assembly and the collecting plate, the case comprising an upper opening; and a cap assembly sealing the upper opening of the case.
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