Method and apparatus for producing all-solid-state battery

A production method of an all-solid-state battery wherein a solid electrolyte layer is arranged between a positive electrode layer and a negative electrode layer and current collectors are arranged on the positive electrode layer and the negative electrode layer respectively, the method comprising:

• forming a first powder film for constituting one of the positive electrode layer and the negative electrode layer;
• pressing a surface of the first powder film by a first elastic pressing body to form a first layer, the first layer being one of the positive electrode layer and the negative electrode layer;
• subsequently forming, on the first layer, a second powder film for constituting the solid electrolyte layer, the second powder film being different from the first powder film;
• and
• pressing a surface of the second powder film by a second elastic pressing body to form a second layer, the second layer being the solid electrolyte layer, the second elastic pressing body being either the same as or different from the first elastic pressing body.