Method for producing an electrode-separator winding , comprising the steps of 1.1 feeding a first current collector in strip form , which is divided in the longitudinal direction into mass sections (101a and 101c) covered with a positive electrode material and, arranged between the mass sections (101a and 101c), contact sections not covered with the electrode material, to a winding device, 1.2 feeding a second current collector in strip form , which is divided in the longitudinal direction into mass sections (102a and 102c) covered with a negative electrode material and, arranged between the mass sections (102a and 102c), contact sections not covered with the electrode material, to the winding device, 1.3 feeding two separators in strip form (103 and 104) to the winding device, 1.4 winding up the first current collector in strip form , the second current collector in strip form and the separators (103 and 104) in the winding device to form a winding with the sequence first current collector / separator / second current collector / separator or second current collector / separator / first current collector / separator , wherein 1.5 a contact strip is welded on in at least one of the contact sections (101b and 102b) for the electrical contacting of the current collectors (101 and 102), or at least one of the contact sections (101b and 102b) is folded over to form a contact strip for the electrical contacting of the current collectors (101 and 102), characterized in that 1.6 at least one of the separators (103 and 104) is reinforced in at least one risk region in which the at least one separator (103 and 104) within the completed electrode-separator winding lies against the at least one contact section (101b and 102b) in which the contact strip is welded on or against the at least one contact section (101b and 102b) folded over to form a contact strip , wherein the reinforcement is formed by a folding of the separator. 1.1 feeding a first current collector in strip form , which is divided in the longitudinal direction into mass sections (101a and 101c) covered with a positive electrode material and, arranged between the mass sections (101a and 101c), contact sections not covered with the electrode material, to a winding device, 1.2 feeding a second current collector in strip form , which is divided in the longitudinal direction into mass sections (102a and 102c) covered with a negative electrode material and, arranged between the mass sections (102a and 102c), contact sections not covered with the electrode material, to the winding device, 1.3 feeding two separators in strip form (103 and 104) to the winding device, 1.4 winding up the first current collector in strip form , the second current collector in strip form and the separators (103 and 104) in the winding device to form a winding with the sequence first current collector / separator / second current collector / separator or second current collector / separator / first current collector / separator , wherein 1.5 a contact strip is welded on in at least one of the contact sections (101b and 102b) for the electrical contacting of the current collectors (101 and 102), or at least one of the contact sections (101b and 102b) is folded over to form a contact strip for the electrical contacting of the current collectors (101 and 102), characterized in that 1.6 at least one of the separators (103 and 104) is reinforced in at least one risk region in which the at least one separator (103 and 104) within the completed electrode-separator winding lies against the at least one contact section (101b and 102b) in which the contact strip is welded on or against the at least one contact section (101b and 102b) folded over to form a contact strip , wherein the reinforcement is formed by a folding of the separator. <EOS>