| 摘要 |
Provided is a stacking type quasi-bipolar electrochemical cell having a reliable, easy-to-manufacture, and simple structure. The electrochemical cell includes: an electrode including a current collector, and positive and negative active material layers disposed at both sides of the current collector and spaced apart from each other with a current collector extension part being located therebetween, wherein a polarity of the electrode is used as an opposite polarity in a neighboring cell; an electrode assembly formed by stacking a plurality of electrodes including the electrode; and an electric connection part connecting some of the electrodes of the electrode assembly which are included in the same series, the electric connection part connecting the some electrodes in parallel.
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