post discharge area linked to the discharge area the aerosol inlet area and the mixing area being arranged in such a way that at least a portion of a stream flowing in the post discharge area drives at least a portion of the charged species formed in the discharge area and expelled from the discharge area by electrostatic repulsion towards said mixing area application_number US 201314655550 A description relative to fig1 2 3 a device 1 10 100 for controlling the charge of an aerosol according to a first a second and a third embodiment of the invention comprises a discharge area 3 having a dielectric barrier a first duct 21 defining an inlet area 2 of an aerosol a a second duct 41 defining a mixing area 4 and a post discharge area 5 located at the junction between the first duct 21 the second duct 41 and the discharge area 3 advantageously the discharge area 3 having an electric barrier is composed of two plates 32 of dielectric material defining a third duct 35 and two main metal electrodes 31 each connected to a plate 32 of dielectric material the dielectric material forming the plates is for example alumina and the contacts 34 between the main metal electrodes 31 and the dielectrics 32 are made of an insulating material for example a silicone paste with high dielectric strength this makes it possible to.