A method for reducing carbon dioxide (CO 2) into hydrocarbons comprising the following steps: a) providing an electrolysis device comprising an anode and a cathode; b) exposing the cathode of said electrolysis device to a COz-containing aqueous catholyte solution; c) exposing the anode of said electrolysis device to an aqueous anolyte solution; and d) applying an electrical current between the anode and the cathode in order to reduce the carbon dioxide into hydrocarbons; wherein the catholyte solution comprises a salt of hydrogen carbonate, and the anolyte solution comprises a salt of carbonate. wherein the anode and the cathode each are an electrode comprising an electrically conductive support of which at least a part of the surface is covered by a metal deposit of copper, wherein the metal deposit may comprise other metals than copper selected from iron, nickel, zinc, cobalt, manganese, titanium, gold, silver, lead, ruthenium, iridium and a mixture thereof, said other metals representing no more than 30% by weight of the metal deposit, wherein the surface of the metal deposit is in an oxidized form and the metal deposit has a specific surface area greater than or equal to 1 m 2 /g, the specific surface area being determined by the BET (Brunauer, Emmett and Teller) method, wherein the electrode is obtainable by a method comprising the following successive steps: (i) electroplating copper on at least a portion of the surface of an electrically conductive support to form a metal deposit of copper on said at least a portion of the surface of the electrically conductive support, (ii) oxidation of the surface of said metal deposit, and (iii) optionally deposition of metal oxide on the surface of the metal deposit. a) providing an electrolysis device comprising an anode and a cathode; b) exposing the cathode of said electrolysis device to a COz-containing aqueous catholyte solution; c) exposing the anode of said electrolysis device to an aqueous anolyte solution; and d) applying an electrical current between the anode and the cathode in order to reduce the carbon dioxide into hydrocarbons; wherein the catholyte solution comprises a salt of hydrogen carbonate, and the anolyte solution comprises a salt of carbonate. wherein the anode and the cathode each are an electrode comprising an electrically conductive support of which at least a part of the surface is covered by a metal deposit of copper, wherein the metal deposit may comprise other metals than copper selected from iron, nickel, zinc, cobalt, manganese, titanium, gold, silver, lead, ruthenium, iridium and a mixture thereof, said other metals representing no more than 30% by weight of the metal deposit, wherein the surface of the metal deposit is in an oxidized form and the metal deposit has a specific surface area greater than or equal to 1 m 2 /g, the specific surface area being determined by the BET (Brunauer, Emmett and Teller) method, wherein the electrode is obtainable by a method comprising the following successive steps: (i) electroplating copper on at least a portion of the surface of an electrically conductive support to form a metal deposit of copper on said at least a portion of the surface of the electrically conductive support, (ii) oxidation of the surface of said metal deposit, and (iii) optionally deposition of metal oxide on the surface of the metal deposit. (i) electroplating copper on at least a portion of the surface of an electrically conductive support to form a metal deposit of copper on said at least a portion of the surface of the electrically conductive support, (ii) oxidation of the surface of said metal deposit, and (iii) optionally deposition of metal oxide on the surface of the metal deposit.