It is a carbon nanotube dispersion liquid containing a carbon nanotube, a binder, and a dispersion medium. The binder contains a polymer (A) containing an aromatic vinyl monomer unit and a linear alkylene structural unit having 4 or more carbon atoms. The proportion of the binder in the carbon nanotube dispersion is 30% by mass or less, and the viscosity change rate of the carbon nanotube dispersion under predetermined conditions before and after leaving the carbon nanotube dispersion for one week is 50% or more and 300% or less.
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