An object of the present invention is to provide a battery having excellent durability at high temperature and high voltage. The present invention is a battery including a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains (i) a compound represented by the general formula (1): Rf—SO2F  (1) (where Rf is a C1-13 linear or branched fluorine-containing alkyl group optionally containing an ether bond and optionally containing a double bond).