Lithium-ion cell having the features: a. the cell comprises a tape-type electrode-separator composite having the sequence anode /separator /cathode, b. the anode comprises, as anode current collector, a tape-type metal film having a thickness in the range of 4 μm to 30 μm and also having a first longitudinal edge and a second longitudinal edge and two end pieces, c. the anode current collector has a tape-type main region laden with a layer of negative electrode material, and also a free edge strip extending along the first longitudinal edge and not laden with the electrode material, d. the cathode comprises, as cathode current collector, a tape-type metal film having a thickness in the range of 4 μm to 30 μm and also having a first longitudinal edge and a second longitudinal edge and two end pieces, e. the cathode current collector has a tape-type main region laden with a layer of positive electrode material, and also a free edge strip extending along the first longitudinal edge and not laden with the electrode material, f. the electrode-separator composite is present in the form of a winding having two terminal end faces (104a, 104b), g. the anode and the cathode are formed and/or arranged relative to each other within the electrode-separator composite such that the first longitudinal edge of the anode current collector protrudes from one of the terminal end faces and the first longitudinal edge of the cathode current collector protrudes from the other of the terminal end faces, h. the cell has a metallic contact sheet metal member (105, 106) in direct contact with one of the first longitudinal edges (110e, 115e), and i. the contact sheet metal member (105, 106) is connected to said longitudinal edge (110e, 115e) by welding, and also the additional characterizing feature: j. the tape-type main region (122, 116) of the current collector (110, 115) connected to the contact sheet metal member (105, 106) by welding has a plurality of apertures. a. the cell comprises a tape-type electrode-separator composite having the sequence anode /separator /cathode, b. the anode comprises, as anode current collector, a tape-type metal film having a thickness in the range of 4 μm to 30 μm and also having a first longitudinal edge and a second longitudinal edge and two end pieces, c. the anode current collector has a tape-type main region laden with a layer of negative electrode material, and also a free edge strip extending along the first longitudinal edge and not laden with the electrode material, d. the cathode comprises, as cathode current collector, a tape-type metal film having a thickness in the range of 4 μm to 30 μm and also having a first longitudinal edge and a second longitudinal edge and two end pieces, e. the cathode current collector has a tape-type main region laden with a layer of positive electrode material, and also a free edge strip extending along the first longitudinal edge and not laden with the electrode material, f. the electrode-separator composite is present in the form of a winding having two terminal end faces (104a, 104b), g. the anode and the cathode are formed and/or arranged relative to each other within the electrode-separator composite such that the first longitudinal edge of the anode current collector protrudes from one of the terminal end faces and the first longitudinal edge of the cathode current collector protrudes from the other of the terminal end faces, h. the cell has a metallic contact sheet metal member (105, 106) in direct contact with one of the first longitudinal edges (110e, 115e), and i. the contact sheet metal member (105, 106) is connected to said longitudinal edge (110e, 115e) by welding,