<p>Provided is an air battery having air as the positive electrode active material and a specific material as the negative electrode active material. The air battery is characterized by being provided with the following: a negative electrode member configured using the specific material and so as to have a card shape, a granular shape, or a coin shape; a positive electrode that is disposed at a position that is in contact with or can be electrically conductive with the negative electrode member, and that oxidizes the negative electrode member; and a holding member for exchangeably holding the negative electrode member at a position that is in contact with or can be electrically conductive with the positive electrode.</p>
