Pre Dispersed Solution, Electrode Composition, Electrode Slurry, Electrode, And Lithium Ion Secondary Battery

Abstract: The present application relates to a pre-dispersed solution containing single-walled carbon nanotubes (SWCNTs), and an electrode composition, electrode slurry, electrode, and lithium-ion secondary battery, each comprising same, wherein the pre-dispersed solution contains 0 parts by weight (exclusive) to 1 part by weight (inclusive) of single-walled carbon nanotubes with lengths of 0 µm to 0.2 µm (both exclusive), and at least 15 parts by weight of SWCNTs with lengths of 10 µm (inclusive) to 100 µm (exclusive), relative to 100 parts by weight of the total single-walled carbon nanotubes. The pre-dispersed solution according to the described embodiments has controlled dispersibility and thus can contribute to an improvement in the phase stability of electrode compositions and/or electrode slurries as well as the stability, lifespan, and safety of electrodes and/or lithium-ion secondary batteries.

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