| 摘要 |
A secondary battery comprises: a plurality of cylindrical electrode assemblies, wherein each electrode assembly comprises a positive electrode plate and a negative electrode plate rolled together with a separator interposed between the positive electrode plate and the negative electrode plate; a can housing the plurality of electrode assemblies; a cap assembly sealing the can; a positive electrode tab coupled to the positive electrode plate in each electrode assembly; and a negative electrode tab coupled to the negative electrode plate in each electrode assembly, wherein a first plurality of positive electrode tabs is aligned along a first line when viewed in one direction, and wherein a first plurality of negative electrode tabs is aligned along a second line when viewed in the one direction.
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