NOVELTY - An electrochemical cell (100) comprises permeable fuel electrode (130) configured to support metal fuel on it; an oxidant reduction electrode (150) spaced from the fuel electrode; an ionically conductive medium for conducting ions between the fuel and oxidant reduction electrodes to support electrochemical reactions at the fuel and oxidant reduction electrodes; a charging electrode; gas bubble flow generator selected from charging electrode, and sparger spaced from charging electrode; gas bubble flow generator; and flow diverting surfaces configured to establish a circulation path.    USE - As electrochemical cell utilizing a liquid ionically conductive medium to support electrochemical reactions within the cell.    ADVANTAGE - The electrochemical cell utilizing a self-contained cell configuration which is smaller, lighter, have fewer potential points of failure, and is less expensive than prior configurations. Among other improvements, the electrochemical cell facilitates establishment of an improved flow of the ionically conductive medium utilizing the lifting action of a rising gas.    DETAILED DESCRIPTION - An electrochemical cell (100) comprises a permeable fuel electrode (130) configured to support a metal fuel on it; an oxidant reduction electrode (150) spaced from the fuel electrode, an ionically conductive medium for conducting ions between the fuel and oxidant reduction electrodes to support electrochemical reactions at the fuel and oxidant reduction electrodes, a charging electrode (140) selected from (a) the oxidant reduction electrode, (b) a separate charging electrode spaced from the permeable fuel electrode and the oxidant reduction electrode, and (c) a portion of the permeable fuel electrode, gas bubble flow generator selected from the charging electrode, and a sparger spaced from the charging electrode, the gas bubble flow generator being configured to evolve gaseous oxygen bubbles that generate a flow of the ionically conductive medium during a charging operation; and flow diverting surfaces configured to establish a circulation path that directs the flow of the ionically conductive medium at least partially through the permeable fuel electrode. An INDEPENDENT CLAIM is included for method for flowing an ionically conductive medium in an electrochemical cell involving emitting gaseous bubbles in the ionically conductive medium that drag the ionically conductive medium upwards due to their buoyancy to generate a flow, where flow diverting surfaces in the electrochemical cell a circulation path to direct the flow of the ionically conductive medium at least partially through the permeable fuel electrode.    DESCRIPTION OF DRAWING(S) - The figure shows schematic view of electrochemical cell.    Electrochemical cell (100)    Housing (110)    Cell chamber (120)    Fuel electrode (130)    Charging electrode (140)    Oxidant reduction electrode (150)    Oxidant reduction electrode module (160)    Air channel (165)    Air space (170)