Secondary aluminum-air electrochemical cell characterised in that it comprises: - a first positive electrode and a second positive electrode electrically connected to one another, to form the cathode ; - a negative electrode that forms the anode , placed between the first positive electrode and the second positive electrode ; - a first separation membrane placed between the first positive electrode and the negative electrode ; - a second separation membrane placed between the second positive electrode and the negative electrode ; - a non-aqueous electrolyte that covers the first positive electrode , the second positive electrode , the negative electrode , the first separation membrane and the second separation membrane ; - a micro-perforated housing that comprises the first positive electrode , the second positive electrode , the negative electrode , the first separation membrane , the second separation membrane and the electrolyte ; where each positive electrode comprises: • a metal mesh; • a gas diffusion layer, pressed into the metal mesh, selected from a pyrolytic graphite sheet or a non-woven carbon fabric; • and a catalytic ink dispersed on the gas diffusion layer, wherein the catalytic ink comprises: ∘ a catalyst that comprises at least one metal oxide selected from ruthenium oxide RuO 2 , manganese oxide MnO 2 , iridium oxide IrO 2 , nickel oxide Ni 2 O 3 and lanthanum oxide La 2 O 3 ; ∘ a support for the catalyst that is part of the catalytic ink of the positive electrode , that is composed of reduced graphene oxide nanoparticles; ∘ and an alcoholic solution; where each separation membrane has a pore size ranging between 60 and 90 pm, where the negative electrode comprises aluminum. - a first positive electrode and a second positive electrode electrically connected to one another, to form the cathode ; - a negative electrode that forms the anode , placed between the first positive electrode and the second positive electrode ; - a first separation membrane placed between the first positive electrode and the negative electrode ; - a second separation membrane placed between the second positive electrode and the negative electrode ; - a non-aqueous electrolyte that covers the first positive electrode , the second positive electrode , the negative electrode , the first separation membrane and the second separation membrane ; - a micro-perforated housing that comprises the first positive electrode , the second positive electrode , the negative electrode , the first separation membrane , the second separation membrane and the electrolyte ; • a metal mesh; • a gas diffusion layer, pressed into the metal mesh, selected from a pyrolytic graphite sheet or a non-woven carbon fabric; • and a catalytic ink dispersed on the gas diffusion layer, wherein the catalytic ink comprises: ∘ a catalyst that comprises at least one metal oxide selected from ruthenium oxide RuO 2 , manganese oxide MnO 2 , iridium oxide IrO 2 , nickel oxide Ni 2 O 3 and lanthanum oxide La 2 O 3 ; ∘ a support for the catalyst that is part of the catalytic ink of the positive electrode , that is composed of reduced graphene oxide nanoparticles; ∘ and an alcoholic solution; ∘ a catalyst that comprises at least one metal oxide selected from ruthenium oxide RuO 2 , manganese oxide MnO 2 , iridium oxide IrO 2 , nickel oxide Ni 2 O 3 and lanthanum oxide La 2 O 3 ; ∘ a support for the catalyst that is part of the catalytic ink of the positive electrode , that is composed of reduced graphene oxide nanoparticles; ∘ and an alcoholic solution; <EOS>