CPC H01M 50/54 (2021.01) [H01M 50/534 (2021.01); H01M 50/536 (2021.01)] | 12 Claims |
1. An electrode assembly, comprising:
a plurality of electrodes; and
one or more unit cells, each of the one or more unit cells including at least a pair of electrodes of the plurality of electrodes having different polarities with a separator interposed therebetween,
wherein at least one of an electrode parallel connection tab and an electrode lead connection tab is formed on each electrode of the plurality of electrodes, and
wherein a negative electrode of the pair of electrodes is an outermost electrode and includes first electrode parallel connection tab and a first electrode lead connection tab provided at a side opposite to the first electrode parallel connection tab and inside of the separator, and
wherein an area of a mixture layer of a positive electrode of the pair of electrodes including a second electrode parallel connection tab and a second electrode lead connection tab provided at a side opposite of the second electrode parallel connection tab and inside of the separator among the plurality of electrodes included in the electrode assembly is smaller than an area of a mixture layer of the negative electrode corresponding to the outermost electrode,
wherein the mixture layer of the negative electrode corresponding to the outermost electrode is provided between the first electrode parallel connection tab and the first electrode lead connection tab, and
wherein the mixture layer of the positive electrode is provided between the second electrode parallel connection tab and the second electrode lead connection tab.
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