Abstract: A battery cell housing for a battery cell of an electric energy storage device has a base element which is designed to arrange the battery cell housing on a base of the electric energy storage device. The base element can be adhered onto the base using an adhesive, and the base element has an adhesive surface for applying the adhesive and an embossed section for receiving excess adhesive. A battery cell is also described.

Abstract: Connecting chain link (1) for purposes of connecting at least two chain links of a chain, wherein the connecting chain link (1) is configured and equipped so as to establish an articulated and detachable connection between two chain links, wherein the connecting chain link (1) has a main element (2) and a connecting element (3), wherein the main element (2) has a first nominal cross-section (D1) at least in some sections, wherein the connecting element (3) can be inserted into an open section of the main element (2) along a direction of insertion (E), wherein a contact section (3a) of the connecting element (3) engages with a mating contact section (3a) of the main element (3), which is designed to correspond to the contact section (3a), wherein a connecting section (4) of the connecting chain link (1) has a second nominal cross-section (D2), which is essentially the same size as the first nominal cross-section (D1).

Abstract: A battery cell is provided. The battery cell has a cell housing with an electrically conductive hollow cylinder; an electrically conductive first end plate closing off the hollow cylinder at one of the end faces thereof; at least one electrode of a first electrical polarity and at least one electrode of a second electrical polarity opposite to the first polarity, and in which the electrodes of different polarities being separated from each other by at least one separator; a first electrically conductive intermediate plate which is arranged between the first end plate and the electrodes and which is electrically insulated from the hollow cylinder; and a connecting element which is electrically connected to the first intermediate plate and the first end plate, the connecting element extending in a straight line between the first intermediate plate and the first end plate.

Abstract: A housing part for an electrical energy store which has a plurality of storage cells disposed next to each other in such a way that gas venting valves of the plurality of storage cells are located on a common side includes a gas venting channel, which is designed to conduct gas to a gas venting valve of the energy store. The housing part also includes a shielding device, which is designed to cover the common side of the plurality of storage cells and thus to shield the common side of the plurality of storage cells from gas in the gas venting channel. The shielding device is also designed such that gas which exits through the gas venting valve of a first storage cell of the plurality of storage cells causes a locally limited opening in the shielding device, through which the gas from the first storage cell can pass into the gas venting channel.

Abstract: A battery cell is provided. The battery cell includes an electrode of a first electrical polarity and an electrode of a second electrical polarity opposite to the first polarity, the electrodes of different polarities are separated by a separator; a first electrically conductive contact element which is electrically connected to the electrode of the first polarity and can be contacted as a first terminal of the battery cell from outside the cell housing; a second electrically conductive contact element which is connected to the electrode of the second polarity and can be contacted as a second terminal of the battery cell from outside the cell housing; and the first and the second electrically conductive contact element are electrically insulated from each other and, on a same first end wall of the electrically conductive hollow cylinder, can each be contacted as a respective terminal from outside the cell housing.

Abstract: A battery cell includes: (i) a cylindrical cell housing having a hollow cylinder; (ii) an electrically conductive closure plate closing the hollow cylinder at an end face and having an opening; (iii) an electrode of a first electrical polarity and an electrode of a second electrical polarity opposite to the first polarity, the electrodes being separated by a separator; (iv) an electrically conductive rod, which extends along a longitudinal axis of the hollow cylinder as far as the opening, so that, at a first end of the rod, the rod is electrically contactable through the opening. The electrode of the first polarity is electrically connected to the closure plate. The electrode of the second polarity is electrically connected to the electrically conductive rod at a second end of the rod different from the first end, the electrically conductive rod being electrically isolated from the electrically conductive closure plate.

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.