A battery includes a cathode having an oxide containing one or more metals and pentavalent bismuth, an anode, a separator between the cathode and the anode, and an alkaline electrolyte. The transfer apparatus includes a stator base mounted proximate to the rotating object. The selector element can include insulator layers between the semiconductor layer and the metal layers to lower the leakage current of the device. A content request may comprise an application and context name. Drive state of 1st and 2nd switches are controlled by a control signal.