| abstract |
A binder composition for electricity storage devices, which is characterized by containing a polymer that has at least 3-40% by mass of a first repeating unit that is derived from an unsaturated carboxylic acid ester having an alicyclic hydrocarbon group and 1-40% by mass of a second repeating unit that is derived from an α,β-unsaturated nitrile compound, if all the repeating units are taken as 100% by mass. |