each case a total weight of the ionic liquid and the aluminum chloride in at least one embodiment of the invention a parameter of the galvanic deposition process may include temperature which influences reactivity and viscosity of the electrolyte in one or more embodiments the viscosity of the electrolyte may be reduced by the addition of an organic solvent to the aluminum electrolyte for example toluene in at least one embodiment the temperature may be in a range of 20 u00b0 c to 100 u00b0 c such as a range of 20 u00b0 c to 60 u00b0 c in one or more embodiments the galvanic deposition may occur in a galvanic cell under potentiostatic or galvanostatic control fig1 shows a simplified electrochemical test set up for a method of producing the anode electrode of the aluminum electrolytic capacitor according to at least one embodiment of the invention as shown in fig1 in one or more embodiments the ionic liquid with the dissolved aluminum chloride and optional organic solvent is located in a glass flask 20 closed by a stopper 24 and may be moved by a stirrer 26 using a magnetic stirring bar 22 in at least one embodiment the temperature may be controlled by an external heater 28 in one or more embodiments the substrate to be coated may be connected cathodically as a working electrode 30 to an external potentiostat not illustrated in at least one embodiment a sheet metal or a wire formed from pure aluminium may be used as a counter electrode 32 during the deposition process.