| abstract |
To provide an all solid state secondary battery capable of realizing favorable bonding properties and a favorable ion conductivity. n Provided is an all solid state secondary battery having a structure in which an electrode layer is located between a collector and an inorganic solid electrolyte layer, in which the electrode layer contains an inorganic solid electrolyte having a conductivity of ions of metals belonging to Group I or II of the periodic table, an active material, and a specific polymer described below, n specific polymer: a polymer having at least one specific functional group selected from acidic functional groups, amide groups, or hydroxyl groups. |