BATTERY AND LAMINATE

A battery includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode, wherein the electrolyte layer includes a first electrolyte layer and a second electrolyte layer, the first electrolyte layer is disposed between the positive electrode and the second electrolyte layer, the first electrolyte layer contains a material different from a material of the second electrolyte layer, the first electrolyte layer contains a solid electrolyte material containing an alkali metal element, a metal element except alkali metal elements or a metalloid element, and a halogen element, and the metal element except alkali metal elements or the metalloid element includes at least one of Zr and In.