A metal foil includes a core portion that has a first side and a second side located opposite to the first side and is made of a metal material, and a cladding portion that is located on at least one side of the core portion and contains zinc as a base mat...

A battery including a self-supporting laminate structure is provided. The laminate structure includes a solid electrolyte sheet containing a solid electrolyte, a first active material layer containing a first active material on one major surface of the sol...

A layered body includes: a substrate; and an oxide portion positioned on the substrate. An oxide that constitutes the oxide portion contains at least two or more rare-earth elements: silicon; and oxygen. The oxide that is contained in the oxide portion exh...