Abstract: An energy storage device for a motor vehicle includes a plurality of round cells for electrochemically storing energy, and a storage housing in which the plurality of round cells is provided. In the installed position, the round cells run substantially parallel to the vehicle transverse axis. The round cells are arranged within the storage housing in multiple layers in the direction of the vehicle vertical axis, wherein the number of layers varies in the direction of the vehicle longitudinal axis.

Abstract: A storage device configured to store electrical energy, includes at least one storage element having an element housing which has at least one accommodating chamber and at least one element base which at least partially downwardly delimits the accommodating chamber in an installation position of the storage device. The storage device includes at least one storage means, accommodated in the accommodating chamber, configured to store electrical energy, wherein the at least one storage means comprises at least one degassing unit configured to discharge fluid, which is released in the accommodating chamber, from the accommodating chamber. The degassing unit is provided on the element base and is configured to downwardly discharge fluid from the accommodating chamber with respect to the installation position of the storage device.

Abstract: An energy storage device for a motor vehicle includes a plurality of round cells for electrochemically storing energy, and a storage housing in which the plurality of round cells is provided. In the installed position, the round cells run substantially parallel to the vehicle transverse axis. The round cells are arranged within the storage housing in multiple layers in the direction of the vehicle vertical axis, wherein the number of layers varies in the direction of the vehicle longitudinal axis.

Abstract: A device for feeding electrical energy to an energy supply network, the device being designed to switch between energy from a first energy source and energy from a mobile energy source.

Abstract: A method for determining a charging profile from a large number of charging profiles for a current charging process for charging an electrical energy store includes determining a current state of the energy store, determining the charging profile from the large number of charging profiles based on the current state of the energy store, and charging the energy store based on the determined charging profile.

Abstract: A device for charging and discharging a drive energy store of a hybrid or electric vehicle includes a frequency measuring module which is designed to measure a network frequency of an energy supply network; a control module which is designed to control a charge process of the drive energy store from the energy supply network or a discharge process of the drive energy store into the energy supply network on the basis of the measured network frequency in order to produce a control power; and a first communication module which is designed to communicate, as the master, with the hybrid or electric vehicle in order to produce the control power.

Abstract: A storage device for storing electrical energy includes at least one storage cell which has a cell housing, a receiving chamber delimited by the cell housing, and at least one storage element accommodated in the receiving chamber for storing electrical energy, as well as a safety apparatus. The safety apparatus has a separating device as a first safety device designed to separate at least the storage cell from a circuit of the storage device, a short-circuit device as a second safety device designed to short-circuit at least the storage cell, and a degassing unit as a third safety device designed to degas the receiving chamber. The safety devices are designed to successively switch from a deactivated state into an activated state during a critical variation of the condition of the storage cell.

Abstract: A storage module stores electrical energy. The storage module has a first storage cell and a second storage cell, each having a positive terminal and a negative terminal. The storage module includes a contact bridge, which connects one terminal of the first storage cell to one terminal of the second storage cell in an electrically conductive manner. The contact bridge is designed to reduce an electrical resistance between the electrically connected terminals of the first storage cell and of the second storage cell with rising temperature.

Abstract: An electrical energy-storage unit has a plurality of electrically coupled and interchangeable storage modules each with a multiplicity of storage cells connected in series or in parallel. The energy-storage unit has storage modules of a first type, which have a certain energy density. The energy-storage unit has storage modules of a second type which have a higher energy density than the storage modules of the first type. At least two storage modules of the second type fit into the spatial volume of a storage module of the first type.

Abstract: A cell connector for a battery module of a motor vehicle for electrically connecting cell poles of at least two battery cells which are stacked in a stacking direction to form a cell block is designed as an L-profile-shaped, slotted angled strip which can be arranged on an edge that is formed between a top side and a side region of the cell block. The angled strip has a first angle region, which is oriented parallel in relation to the top side and a second angle region, which is oriented parallel in relation to the side region. The first angle region has at least two strip-like contact elements for making contact with the cell poles, and the second angle region has a strip-like connecting element for connecting the contact elements.

Abstract: A storage device for storing electrical energy includes at least two storage cells. Each storage cell has a cell housing, an accommodating space delimited by the cell housing, and at least one storage element for storing electrical energy. The storage element is accommodated in the accommodating space. At least one thermally conductive heat-conducting element is provided, by which heat can be deliberately transferred from a first of the storage cells to the second storage cell.

Abstract: A cover device is provided for a battery housing of a traction battery of a motor vehicle for covering a receptacle chamber of the battery housing provided for receiving at least two battery cells of the traction battery. The cover device has a top side facing a surrounding region and a bottom side facing the receptacle chamber. The bottom side has a first region associated with degassing elements of the battery cells having a first heat resistance against a hot gas flowing out of the degassing elements. The bottom side has a second region having a second heat resistance which is smaller compared to the first heat resistance.

Abstract: A storage device for storing electrical energy includes at least one storage cell which has a cell housing, a receiving chamber delimited by the cell housing, and at least one storage element accommodated in the receiving chamber for storing electrical energy, as well as a safety apparatus. The safety apparatus has a separating device as a first safety device designed to separate at least the storage cell from a circuit of the storage device, a short-circuit device as a second safety device designed to short-circuit at least the storage cell, and a degassing unit as a third safety device designed to degas the receiving chamber. The safety devices are designed to successively switch from a deactivated state into an activated state during a critical variation of the condition of the storage cell.

Abstract: A storage cell that is configured to store electrical energy includes a cell housing which is prismatic on an outer periphery, and a jelly-roll winding accommodated in the cell housing and which has two opposing broad sides, two opposing first narrow sides and two opposing second narrow sides. The storage cell also includes a first electrode tab which is electrically contacted with a first electrode of the jelly-roll winding and protrudes from the first electrode, and a second electrode tab which is electrically contacted with a second electrode of the jelly-roll winding and protrudes from the second electrode. One of the first and second electrode tabs is arranged on a first one of the two opposing first narrow sides and is electrically connected thereto by a connection element extending from a first one of the two opposing first narrow sides onto a first one of the two opposing second narrow sides.

Abstract: A storage device configured to store electrical energy, includes at least one storage element having an element housing which has at least one accommodating chamber and at least one element base which at least partially downwardly delimits the accommodating chamber in an installation position of the storage device. The storage device includes at least one storage means, accommodated in the accommodating chamber, configured to store electrical energy, wherein the at least one storage means comprises at least one degassing unit configured to discharge fluid, which is released in the accommodating chamber, from the accommodating chamber. The degassing unit is provided on the element base and is configured to downwardly discharge fluid from the accommodating chamber with respect to the installation position of the storage device.

Abstract: An energy store has a plurality of electric energy storage cells, which are connected electrically in series or in parallel and are combined to form an energy storage module. Interspaces are formed between the energy storage cells and into which coolants or refrigerants can be introduced. In each case, side surfaces of the energy storage cells that bound the interspaces are provided with a regular pattern, which is formed in the shape of an elevation or depression with respect to the remaining surface of the relevant side surface.

Abstract: A storage module stores electrical energy. The storage module has a first storage cell and a second storage cell, each having a positive terminal and a negative terminal. The storage module includes a contact bridge, which connects one terminal of the first storage cell to one terminal of the second storage cell in an electrically conductive manner. The contact bridge is designed to reduce an electrical resistance between the electrically connected terminals of the first storage cell and of the second storage cell with rising temperature.

Abstract: An electrical energy-storage unit has a plurality of electrically coupled and interchangeable storage modules each with a multiplicity of storage cells connected in series or in parallel. The energy-storage unit has storage modules of a first type, which have a certain energy density. The energy-storage unit has storage modules of a second type which have a higher energy density than the storage modules of the first type. At least two storage modules of the second type fit into the spatial volume of a storage module of the first type.