Abstract: A method for producing an energy storage cell is provided. According to the method, a housing having a base, a tapping plate, and a wound electrode assembly are provided. The wound electrode assembly is connected to the tapping plate, and the tapping plate, which is connected to the wound electrode assembly, is arranged in the housing. The tapping plate and the base of the housing are connected to each other via laser beam welding.

Abstract: A method for producing an electrochemical energy storage cell is provided. A current conductor, which is configured for electrically connecting an electrode stack to a cell terminal and has a contact arm, is positioned relative to the electrode stack such that an edge of the contact arm abuts a first lateral surface of a conductor arrangement that projects out of the electrode stack. The conductor arrangement is bent around the edge of the contact arm such that the first lateral surface of the conductor arrangement rests at least in part on a first contact arm lateral surface. The contact arm is supported on a second contact arm lateral surface opposite the first contact arm lateral surface. A contact pressure is exerted on the conductor arrangement resting at least in part on the first contact arm lateral surface, and the conductor arrangement is connected to the current conductor.

Abstract: A battery cell has a plurality of electrode units in a common battery cell housing. Each of the electrode units includes a protective film having an inner layer and an outer layer, where the inner layer is arranged on the electrode unit and the outer layer is arranged on the inner layer. The outer layer has a higher melting point than the inner layer.

Abstract: A holding device for battery cells for constructing a high-voltage storage module which can be used for electrically operated motor vehicles is provided. The battery cells, in a P assembly (i.e. interconnected in parallel), are provided with a minimally thin thermal insulating layer and, encased in this way, are brought into direct contact with each other in a self-holding arrangement. The intermediate spaces between the battery cells, which battery cells have been provided with the insulating layer and, encased in this way, have been brought into contact with each other, are preferably filled with a thermally conductive potting compound. The thermally conductive potting compound can additionally have high electrical conductivity and thus, in addition to the heat transfer, can also establish the contacting of the anodes in the P assembly if the anodes are also encased by the potting compound.

Abstract: A protective device for battery cells, a plurality of which are assembled to form a module for an electric drive of a vehicle, has a frame made of plastic provided between the battery cells and coated with a fire-retardant coating. The frame laterally separates each battery cell from the other battery cells. A further fire-retardant coating is preferably additionally applied directly onto a housing of the battery cells. An air gap can be provided between each battery cell and each separation chamber of the frame.

Abstract: A method for operating a battery with a hermetically sealed housing configured as a hardcase and containing at least one electrochemical cell based on an organic electrolyte is described. The method includes: opening the housing at a point configured to create a point of access to a housing interior so as to vent the at least one cell; and, after the opening, hermetically re-sealing the point of access to the housing interior. A battery which can be operated by this method is also described.

Abstract: The invention relates to a method and an apparatus for producing three-dimensional models using a radiation-emitting set and optionally a specific arrangement of radiation-emitting units.

Abstract: The present invention relates to a separator arrangement (20) for an electrochemical battery cell (10) comprising an ionically conductive and electrically insulating separator layer (22), characterized in that the separator arrangement (20) further comprises a reduction layer (24) comprising a reductant, wherein the reduction layer (24) has a specific surface area which is in a range of not less than 10 m2/g, preferably of not less than 100 m2/g, for example of not less than 1000 m2/g, and wherein the reduction layer (24) is porous and has an open porosity in a range from not less than 10% to not more than 90%, preferably from not less than 30% to not more than 70%.

Abstract: A rechargeable battery is to be installed in a passenger transport vehicle as storage for the drive energy thereof. The rechargeable battery includes a plurality of galvanic cells and sensors for monitoring the state of the individual cells for the purpose of generating warning messages concerning the failure of individual cells. One of the sensors is an infrared matrix sensor, wherein the acquisition range of the infrared matrix sensor includes an area on which surface sides of the plurality of individual cells lie adjacent to one another.

Abstract: A battery device includes a plurality of battery cells with individual cell cases. For each of the battery cells, an individual layer arrangement including a cell-side carrier layer and an outside reflecting layer abuts against a side of the cell case facing at least one other of the battery cells.

Abstract: An electrochemical energy storage cell includes multiple electrodes of a first polarity and multiple electrodes of a second polarity that are arranged in an electrode stack. Each of the electrodes of the first polarity has a first arrester lug which protrudes out of the electrode stack on a first side of the electrode stack, and each of the electrodes of the second polarity has a second arrester lug which protrudes out of the electrode stack on a second side of the electrode stack. The electrode stack is arranged in a housing which is connected to the first arrester lug in an electrically conductive manner. A connection element which is arranged in a housing wall of the housing and is electrically connected to the second arrester lug is electrically insulated from the housing and is configured to electrically connect the exterior of the housing and the second arrester lug.

Abstract: A motor vehicle has a display system with a display apparatus arranged on an outer side of the motor vehicle in a manner in which it can be viewed by a user outside the motor vehicle. An item of optical information is displayed on the display apparatus having content that is determined by an electronic computing device of the display apparatus by virtue of communication with the display apparatus using a mobile terminal. The mobile terminal is used to create an interest profile which characterizes the user on the basis of use of the mobile terminal and the interest profile is transmitted to the electronic computing device, so that the optical information can be determined for the user on the basis of the interest profile of the user for display on the display apparatus.

Abstract: A method for producing an electrochemical energy storage cell is provided. A current conductor, which is configured for electrically connecting an electrode stack to a cell terminal and has a contact arm, is positioned relative to the electrode stack such that an edge of the contact arm abuts a first lateral surface of a conductor arrangement that projects out of the electrode stack. The conductor arrangement is bent around the edge of the contact arm such that the first lateral surface of the conductor arrangement rests at least in part on a first contact arm lateral surface. The contact arm is supported on a second contact arm lateral surface opposite the first contact arm lateral surface. A contact pressure is exerted on the conductor arrangement resting at least in part on the first contact arm lateral surface, and the conductor arrangement is connected to the current conductor.

Abstract: A linear friction welding machine comprising a compression unit and an oscillator unit, each having a clamping holder for a workpiece. Both clamping holders are configured such that workpieces are held with the surfaces thereof to be welded, aligned and facing each other. The clamping holder of the compression unit is linearly movable relative to the clamping holder of the oscillator unit, and the latter is movable in an oscillating manner at right angles transversely with respect to the direction of travel of the compression unit and fixed to ends of vertical and horizontal supports which can be deflected laterally in a sprung manner in the oscillation direction, the other ends of which are anchored rigidly on supporting bodies. The supports are flexible under deflection in the oscillation direction but are designed to resist buckling when the clamping holders are loaded in the direction of travel of the compression unit.

Abstract: A linear friction welding machine comprising a compression unit and an oscillator unit, each having a clamping holder for a workpiece. Both clamping holders are configured such that workpieces are held with the surfaces thereof to be welded, aligned and facing each other. The clamping holder of the compression unit is linearly movable relative to the clamping holder of the oscillator unit, and the latter is movable in an oscillating manner at right angles transversely with respect to the direction of travel of the compression unit and fixed to ends of vertical and horizontal supports which can be deflected laterally in a sprung manner in the oscillation direction, the other ends of which are anchored rigidly on supporting bodies. The supports are flexible under deflection in the oscillation direction but are designed to resist buckling when the clamping holders are loaded in the direction of travel of the compression unit.

Abstract: The present invention relates to a separator arrangement (20) for an electrochemical battery cell (10) comprising an ionically conductive and electrically insulating separator layer (22), characterized in that the separator arrangement (20) further comprises a reduction layer (24) comprising a reductant, wherein the reduction layer (24) has a specific surface area which is in a range of not less than 10 m2/g, preferably of not less than 100 m2/g, for example of not less than 1000 m2/g, and wherein the reduction layer (24) is porous and has an open porosity in a range from not less than 10% to not more than 90%, preferably from not less than 30% to not more than 70%.

Abstract: The invention concerns an electrode assembly (10) for a battery cell (2), comprising an anode (11) and a cathode (12) that are separated from one another by means of a separator (18), an electrically conductive layer (32) being arranged on the separator (18) and the electrically conductive layer (32) being covered at least partially with a protective film (34). The protective film (34) is a dense passivation layer or a polymer coating. The invention also concerns a battery cell (2), comprising at least one electrode assembly (10).

Abstract: A system (1) for testing a cell by creating at least one short circuit, particularly a defined internal short circuit, within the cell, comprising at least one cathode (4) and at least one anode (2), and at least one separator (3), which is adjustable between the cathode (4) and the anode (2) of the cell, whereby at least the cathode (4) comprises a pad (5) able to emit metal ions, which enable the growth of at least one dendrite (6).

Abstract: A chain joint for link chains, having a main body in the form of an oval chain link with two mutually parallel longitudinal legs which are connected to one another at their ends via a rounded link portion, one defining a receiving opening for receiving chain links. The receiving opening is bounded at its ends by one longitudinal leg section, wherein, in the longitudinal leg, a threaded bore runs in the longitudinal direction and extends in both longitudinal leg sections. A closure screw engages the threaded bore in both longitudinal leg sections, so that, while maintaining the predefined sizes for outer circumference and link width of the main body, the main body, in the region of its longitudinal legs, includes a profile cross section that is larger than the profile cross section in the region of its rounded link portions.

Abstract: A chain joint for link chains, having a main body in the form of an oval chain link with two mutually parallel longitudinal legs which are connected to one another at their ends via a rounded link portion, one defining a receiving opening for receiving chain links. The receiving opening is bounded at its ends by one longitudinal leg section, wherein, in the longitudinal leg, a threaded bore runs in the longitudinal direction and extends in both longitudinal leg sections. A closure screw engages the threaded bore in both longitudinal leg sections, so that, while maintaining the predefined sizes for outer circumference and link width of the main body, the main body, in the region of its longitudinal legs, includes a profile cross section that is larger than the profile cross section in the region of its rounded link portions.