Liquid treatment device for treating, in particular sterilizing, a liquid flowing from a liquid supply line into a use environment on a liquid outlet device, in particular drinking water, comprising • an inlet for supplying liquid to be treated, • an outlet for discharging treated liquid, and • a treatment zone connecting the inlet to the outlet in a liquid-conducting manner, wherein • at least one pair of electrodes is arranged in and/or on the treatment zone, • which pair of electrodes is intended to generate at least one electric field which passes through the liquid in the treatment zone and by which the liquid is treated, in particular sterilized, by means of irreversible electroporation, • the liquid treatment device comprises an energy provision unit which is intended to provide electrical energy for generating a voltage which can be applied to the electrodes (24, 25), and wherein • the energy provision unit comprises a turbine which is arranged in the treatment zone, through which the liquid to be treated or the treated liquid can flow and which has a generator, characterized in that • the pair of electrodes comprises two electrodes (24, 25), • wherein at least one electrode (24, 25) has at least two electrode sections (241, 242, etc., 251, 252, etc.) connected electrically in parallel, • wherein the electrode sections (241, 242, etc., 251, 252, etc.) are formed in a solid-cylindrical and/or hollow-cylindrical manner with a cylinder axis and with diameters which differ from each other and extend axially parallel to a main flow direction of the liquid, • wherein the electrode sections (241, 242, etc., 251, 252, etc.) are arranged substantially, in particular entirely, coaxially and radially at a distance from each other, • wherein the electrode sections (241, 242, etc.) of one electrode form interspaces into which the electrode sections (251, 252, etc.) of the other electrode at least partially engage, • wherein adjacent electrode sections (241, 242, etc., 251, 252 etc.) have polarities which differ from each other. • an inlet for supplying liquid to be treated, • an outlet for discharging treated liquid, and • a treatment zone connecting the inlet to the outlet in a liquid-conducting manner, • at least one pair of electrodes is arranged in and/or on the treatment zone, • which pair of electrodes is intended to generate at least one electric field which passes through the liquid in the treatment zone and by which the liquid is treated, in particular sterilized, by means of irreversible electroporation, • the liquid treatment device comprises an energy provision unit which is intended to provide electrical energy for generating a voltage which can be applied to the electrodes (24, 25), • the energy provision unit comprises a turbine which is arranged in the treatment zone, through which the liquid to be treated or the treated liquid can flow and which has a generator, • the pair of electrodes comprises two electrodes (24, 25), • wherein at least one electrode (24, 25) has at least two electrode sections (241, 242, etc., 251, 252, etc.) connected electrically in parallel, • wherein the electrode sections (241, 242, etc., 251, 252, etc.) are formed in a solid-cylindrical and/or hollow-cylindrical manner with a cylinder axis and with diameters which differ from each other and extend axially parallel to a main flow direction of the liquid, • wherein the electrode sections (241, 242, etc., 251, 252, etc.) are arranged substantially, in particular entirely, coaxially and radially at a distance from each other, • wherein the electrode sections (241, 242, etc.) of one electrode form interspaces into which the electrode sections (251, 252, etc.) of the other electrode at least partially engage, • wherein adjacent electrode sections (241, 242, etc., 251, 252 etc.) have polarities which differ from each other.