CPC H01M 4/38 (2013.01) [H01M 4/0404 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); H01M 2220/20 (2013.01)] | 9 Claims |
1. A positive electrode comprising:
a current collector; and
a positive electrode active material layer disposed on the current collector,
wherein the positive electrode active material layer includes a positive electrode active material, a binder, and-a multi-walled carbon nanotubes,
wherein the multi-walled carbon nanotubes have an average length of 1 to −2 μm and have a length standard deviation of 0.5 μm or less,
wherein lengths of all of the multi-walled carbon nanotubes are from 0.5 to −3.0 μm, and
wherein the multi-walled carbon nanotubes are contained in an amount of 0.1 to 1 wt % with respect to a total weight of the positive electrode active material layer.
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