Abstract: A monocell and a method for producing a monocell for a battery cell. In this method, a first separator film, an anode film, a second separator film, and a cathode film are stacked in this sequence to form a film layer arrangement and fed to a thermal cutting process. The cutting of the film layer arrangement is accomplished by a thermal cutting method, wherein a first metal coating on the anode film and a second metal coating on the cathode film vaporize in the cut region. The plastic substrate of the anode melts partially and spreads over the cut surface of the first anode layer and electrically insulates the same. The plastic substrate of the cathode melts partially and spreads over the cut surface of the first cathode layer and electrically insulates the same.

Abstract: The present invention relates to a method for inspection of a multilayer electrode sheet for a battery cell, comprising at least the following steps: joining together at least two functional layers; connecting the functional layers to form an electrode-separator assembly; detecting at least part of a surface of the electrode-separator assembly by means of a detection device for generating a measurement result; evaluating the generated measurement result and generating an evaluation result; and outputting the evaluation result.

Abstract: The invention relates to a method for producing an electrode stack made of anodes and cathodes for a lithium-ion battery, in particular of an electrically powered motor vehicle, wherein the anodes or the cathodes are provided with a separator, wherein the anodes and the cathodes are conveyed into receiving areas of a rotationally driven or rotatably driven stacking wheel; wherein the anodes and cathodes received in the receiving areas are conveyed to a stacking compartment by rotation of the stacking wheel; wherein the anodes and the cathodes are held in the region of the stacking compartment by a removal arm and are transferred from the respective receiving areainto the stacking compartment as a result of the rotation of the stacking wheel, wherein said anodes and cathodes are stacked in an alternating manner in the stacking compartment; and wherein the alternately stacked anodes and cathodes are pressed against one another in the stacking compartment.

Abstract: The invention relates to a method for producing an electrode stack (4) from monocells (5) for a lithium-ion battery, in particular of an electrically powered motor vehicle, wherein the monocells (5) are each formed from an anode (6) and a cathode (8), wherein the monocells (5) are conveyed into receptacles (14) of a rotationally driven or rotationally drivable stacking wheel (12), wherein the monocells (5) accommodated in the receptacles (14) are conveyed by means of a rotation of the stacking wheel (12) to a stacking compartment (24), wherein the monocells (5) are held by means of a stripper arm (22) in the region of the stacking compartment (24), and are transferred due to the rotation of the stacking wheel (12) from the respective receptacles (14) into the stacking compartment (24), wherein the monocells (5) are stacked in the stacking compartment (24), and wherein the stacked monocells (5) are pressed against each other in the stacking compartment (24).

Abstract: The invention relates to a method for producing an electrode stack from anodes (4) and cathodes (6) for a lithium-ion battery, in particular of an electrically driven motor vehicle, in which the cathodes (6) are provided in a first magazine (8) and are transported without grippers only in a first direction (R1) from the first magazine (8) into a chamber (12), in which the anodes (4) are provided in a second magazine (10) and are transported without grippers only in a second direction (R2) from the second magazine (10) into a chamber (12), wherein the cathodes (6) and anodes (4) are stacked alternately in the chamber (12), and in which the alternately stacked cathodes (6) and anodes (4) are aligned with one another, and pressed against one another, in the chamber (12). The invention also relates to an apparatus (16) for producing such an electrode stack (2).

Abstract: The present invention relates to a method for inspection of a multilayer electrode sheet for a battery cell, comprising at least the following steps: joining together at least two functional layers; connecting the functional layers to form an electrode-separator assembly; detecting at least part of a surface of the electrode-separator assembly by means of a detection device for generating a measurement result; evaluating the generated measurement result and generating an evaluation result; and outputting the evaluation result.

Abstract: A method for producing battery electrodes, in which an electrode strip material comprising a foil and comprising an active material coating applied thereto is separated at predetermined cutting points to form a number of battery electrodes, wherein the electrode strip material is conveyed on a planar vacuum belt in a conveying direction to a cutting gap, wherein, in a first method step, the active material coating of a cutting point is partially ablated using a first laser beam before the cutting point reaches the cutting gap, and wherein, in a second method step, the active material coating and the foil of the cutting point are completely severed using a second laser beam when the cutting point is in the region of the cutting gap.