CPC H01M 4/747 (2013.01) [H01M 4/661 (2013.01); H01M 4/667 (2013.01); H01M 4/668 (2013.01); H01M 10/052 (2013.01); H01M 4/665 (2013.01); H01M 4/72 (2013.01); H01M 4/75 (2013.01)] | 10 Claims |
1. A lithium secondary battery comprising an electrode, the electrode including:
a current collector comprising a structure in a fabric form in which fiber bundles are cross-woven, wherein:
each of the fiber bundles is formed of fiber yarns,
the fiber yarns each include a polymer fiber and a metal layer surrounding the polymer fiber;
a diameter of the fiber bundles is 18 μm to 20 μm;
an active material layer disposed on at least one surface of the current collector,
the metal layer comprises a first metal layer surrounding the polymer fiber and a second metal layer surrounding the first metal layer,
the first metal layer comprises nickel, and
the second metal layer comprises copper.
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