NOVELTY - Electrochemical cell (100) comprises: fuel electrode (130) comprising a metal fuel; oxidant electrode (150) spaced from fuel electrode, having fuel electrode-facing side and oxidant-facing side; and liquid ionically conductive medium for conducting ions between fuel and oxidant electrodes to support electrochemical reactions at fuel and oxidant electrodes, where fuel and oxidant electrodes being configured to oxidize metal fuel at fuel electrode and reduce gaseous oxidant at oxidant electrode to generate discharge potential difference between them for application to load during discharge.    USE - Use as electrochemical cell.    ADVANTAGE - The electrochemical cell provides improved way of reinforcing the air-permeable but liquid-impermeable membrane, without adversely affecting the performance of the cell during operation.    DETAILED DESCRIPTION - Electrochemical cell (100) comprises: a fuel electrode (130) comprising a metal fuel; an oxidant electrode (150) spaced from the fuel electrode, having a fuel electrode-facing side and an oxidant-facing side; and a liquid ionically conductive medium for conducting ions between the fuel and oxidant electrodes to support electrochemical reactions at the fuel and oxidant electrodes, where the fuel electrode and the oxidant electrode being configured to oxidize the metal fuel at the fuel electrode and reduce a gaseous oxidant at the oxidant electrode to generate a discharge potential difference between them during discharge for application to a load and the oxidant electrode comprises an active layer configured to participate in the electrochemical reactions at the oxidant electrode, a solvophobic layer between the oxidant-facing side and the active layer, where the solvophobic layer is configured to prevent permeation of the liquid ionically conductive medium through them, but permit permeation of the gaseous oxidant through them and a reinforcement layer at the oxidant-facing side, configured to prevent a distortion of the solvophobic layer through them, towards the oxidant-facing side, and the reinforcement layer being permeable to the gaseous oxidant. INDEPENDENT CLAIMS are also included for:    (1) an oxidant electrode for the electrochemical cell utilizing a fuel electrode comprising a metal fuel and a liquid ionically conductive medium configured to conduct ions between the fuel electrode and the oxidant electrode to support electrochemical reactions at the fuel and oxidant electrodes, comprising the active layer configured to participate in electrochemical reactions with the fuel electrode, a solvophobic layer between an oxidant-facing side of the oxidant electrode, and the active layer, and a reinforcement layer at the oxidant-facing side, configured to prevent a distortion of the solvophobic layer through them towards the oxidant-facing side, and the reinforcement layer being permeable to the gaseous oxidant; and    (2) a method for assembling a reinforced oxidant electrode for the electrochemical cell, comprising providing the solvophobic layer configured, applying the active layer to a first side of the solvophobic layer facing the liquid ionically conductive medium, where the active layer being configured to participate in electrochemical reactions at the oxidant electrode and applying the reinforcement layer to a second side of the solvophobic layer facing the gaseous oxidant, and the reinforcement layer being configured to prevent a distortion of the solvophobic layer through them, in a direction from the active layer to the reinforcement layer, and the reinforcement layer being permeable to the gaseous oxidant.    DESCRIPTION OF DRAWING(S) - The figure schematically illustrate an electrochemical cell having a fuel electrode and an oxidant electrode, separated by a liquid ionically conductive medium configured to conduct ions between them.    Electrochemical cell (100)    Cell chamber (120)    Fuel electrode (130)    Charging electrode (140)    Oxidant electrode (150)