CPC H01M 10/0459 (2013.01) [H01M 4/13 (2013.01); H01M 10/04 (2013.01); H01M 10/0431 (2013.01); H01M 10/42 (2013.01); H02J 7/0045 (2013.01)] | 10 Claims |
1. A rechargeable battery, comprising:
an electrode assembly formed by disposing an electrode plate at opposite sides of a separator and spirally winding the separator and the electrode plate; and
a pouch configured to accommodate the electrode assembly therein and to draw out an electrode tab connected to the electrode plate to the outside thereof,
wherein the electrode plate includes:
a double-sided coated region including an active material on opposite sides of a substrate forming a current collector; and
a single-sided coated region including an active material on a single surface of the same substrate as the double-sided coating region, and
wherein resistance of the single-sided coated region is higher than that of the double-sided coated region.
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