Patent ID: 8828604

Claim:
A battery comprising: a cathode; an anode; and an electrolytic solution, wherein, the cathode has a cathode current collector and a cathode active material layer provided on the cathode current collector, the cathode active material layer includes an aromatic compound having three or four benzene rings spaced apart from each other and bonded, and the cathode active material layer is in contact with the electrolytic solution, the electrolytic solution includes at least one of vinylene carbonate and an ester carbonate containing fluorine, the content of aromatic compound in the cathode active material layer is within a range from 0.1 wt % to 3 wt % of the cathode active material layer, and the anode includes an anode active material including at least one kind selected from the group consisting of a simple substance of silicon, an alloy of silicon, and a compound of silicon and a simple substance of tin, an alloy of tin, and a compound of tin.