Solid electrolyte composition, solid electrolyte-containing sheet and its manufacturing method, all solid secondary battery and its manufacturing method, polymer, non-aqueous solvent dispersion, and diol compound

Solid electrolyte composition containing inorganic solid electrolyte having conductivity of metal ions belonging to group 1 or group 2 of periodic table and binder having specific constituent components, solid electrolyte containing sheet using the same, and A manufacturing method thereof, an all-solid secondary battery and a manufacturing method thereof, a polymer having a specific constituent, a non-aqueous solvent dispersion thereof, and a diol compound.