Battery binder composition for a battery electrode slurry, the solid electrolyte composition, the electrodes and all-solid-state battery

The present invention, [A] and the following formula (a1) ~ (a5) at least one structural unit selected from the group consisting of a plurality of structural units represented respectively, nitrogen atom, oxygen atom, silicon atom, germanium atom and and a functional group (f) comprising at least one atom selected from the group consisting of tin atoms, and 25 ° C., solubility in cyclohexane at 1 atmosphere is 5 g / 100 g or more polymers, and [B] a battery binder composition comprising a liquid medium.