Abstract: A device for electropolishing an energy storage device having at least one lithium-ion cell comprises at least one actuatable first switch which is connected in series to a capacitor and an electrical resistor for current limitation parallel to at least one lithium ion cell, wherein an apparatus for discharging the capacitor is connected in parallel at least to the capacitor (C). The invention further relates to a charger and to a method for operating the charger.

Abstract: The invention relates to a method for charging an electrical energy store, the electrical energy store comprising at least one electrical energy storage unit and a predefined maximum permissible energy-store voltage limit value being specified for the electrical energy store. The electrical energy store is charged with a pulsed charging voltage, a maximum value of the pulsed charging voltage being greater than the predefined maximum permissible energy-store voltage limit value over a pulse duration in the case of at least one pulse. The invention further relates to a corresponding device for charging the electrical energy store, to a corresponding computer program, to a corresponding machine-readable storage medium and to a corresponding electrical energy store.

Abstract: A lithium anode for a lithium cell and/or lithium battery comprises: a current conductor layer, an anode active material and a coating, wherein the current conductor layer is embodied in the manner of a lattice with a conductor structure that defines open voids, the anode active material is arranged in the cavities between the conductor structure, and the coating covers the current conductor layer and the anode active material. The invention also relates to a method for manufacturing such a lithium anode.

Abstract: A semiconductor device comprising at least a semiconductor component, a heat sink, a connecting element and an electrical circuit connected to the heat sink in an electrically conductive manner; wherein the semiconductor component and the heat sink are arranged at a distance from one another and are electrically and thermally conductively connected via the connecting element, wherein an electrical current can be supplied to the electrical circuit via the heat sink.

Abstract: A device and a method for fault detection and/or identification of at least one sensor device is described, characterized by a measurement mechanism with at least one high-resolution, A/D converter device for recording at least one electrical signal (A, Iout) at one or more coupling points for the at least one sensor device.

Abstract: The invention relates to a bushing element for providing an electrically conductive connection through a separator, comprising an element body for positive or at least substantially positive insertion into a bushing receptacle of the separator, the element body comprising a continuously electrically conductive conducting portion for providing the electrically conductive connection and at least one electrically insulating portion for insulating the conducting portion against an inner surface of the bushing receptacle that encloses the conducting portion peripherally at least in part. The invention further relates to a system that is composed of a separator and a bushing element for providing an electrically conductive connection through the separator, the separator having a bushing receptacle into which the bushing element is inserted in a positive or at least substantially positive manner.

Abstract: The invention relates to a method for charging an electrical energy store, the electrical energy store comprising at least one electrical energy storage unit and a predefined maximum permissible energy-store voltage limit value being specified for the electrical energy store. The electrical energy store is charged with a pulsed charging voltage, a maximum value of the pulsed charging voltage being greater than the predefined maximum permissible energy-store voltage limit value over a pulse duration in the case of at least one pulse. The invention further relates to a corresponding device for charging the electrical energy store, to a corresponding computer program, to a corresponding machine-readable storage medium and to a corresponding electrical energy store.

Abstract: The invention relates to a battery unit (10) for use in a vehicle electrical system (50) of a motor vehicle, comprising a battery module (20) for producing a first voltage between a positive pole (12) and a negative pole (11), a battery sensor (52), which is electrically connected to the negative pole (11), and a control element (30), which has a first terminal (31) electrically connected to the positive pole (12) and which comprises a DC-to-DC converter (35).

Abstract: The invention relates to a battery unit (10) for use on an on-board power system (50) of a motor vehicle, comprising a battery module (20) and a battery management system (40) for monitoring and regulating the battery module (20). In this context, a communication unit (30) is detachably connected to the battery management system (40), which communication unit (30) has a receiver unit for receiving data from the battery management system (40), a conversion unit for converting the data received by the battery management system (40), and a transmission unit for transmitting converted data to a control device of the motor vehicle.

Abstract: The invention relates to a battery module housing (2001, . . . 2004) for a battery pack (10), characterized in that: the battery module housing (2001, . . . 2004) can contain a large number of battery cells (100111, . . . 100432) which each have a large wall surface (1201, 1202) and a small wall surface (1301, 1302), of which small wall surface the surface area is less than a surface area of the large wall surface (1201, 1202), wherein the battery cells (100119, 100129, 100132, 100142, 100219, 100229, 100232, 100242, 100319, 100329, 100332, 100342, 100419, 100432) which can be arranged adjacent to outer sides of the battery pack (10) can be oriented in such a way that their large wall surfaces (1201, 1202) run along the outer sides, so that a force which acts on one of the outer sides can initially be received by one of the large wall surfaces (1201, 1202), and also to a battery module (201, 204), to a battery pack (10), to a battery, to a vehicle and also to a method for producing a battery module (201, . .

Abstract: A semiconductor device comprising at least a semiconductor component, a heat sink, a connecting element and an electrical circuit connected to the heat sink in an electrically conductive manner; wherein the semiconductor component and the heat sink are arranged at a distance from one another and are electrically and thermally conductively connected via the connecting element, wherein an electrical current can be supplied to the electrical circuit via the heat sink.

Abstract: A device for electropolishing an energy storage device having at least one lithium-ion cell comprises at least one actuatable first switch which is connected in series to a capacitor and an electrical resistor for current limitation parallel to at least one lithium ion cell, wherein an apparatus for discharging the capacitor is connected in parallel at least to the capacitor (C). The invention further relates to a charger and to a method for operating the charger.

Abstract: The invention relates to a bushing element for providing an electrically conductive connection through a separator, comprising an element body for positive or at least substantially positive insertion into a bushing receptacle of the separator, the element body comprising a continuously electrically conductive conducting portion for providing the electrically conductive connection and at least one electrically insulating portion for insulating the conducting portion against an inner surface of the bushing receptacle that encloses the conducting portion peripherally at least in part. The invention further relates to a system that is composed of a separator and a bushing element for providing an electrically conductive connection through the separator, the separator having a bushing receptacle into which the bushing element is inserted in a positive or at least substantially positive manner.

Abstract: The invention relates to a battery unit for use on an electrical system of a motor vehicle, comprising a battery module and a coupling unit (30). The coupling unit has a first and a second connection (31 and 32), a first and a second DC converter (41 and 42). The first DC converter (41) allows a bidirectional current flow between the connections (31, 32), the second DC converter (42) allows a current flow from the first connection (31) to the second connection (32). The battery unit comprises a control system. The control system controls the DC converter. The invention also relates to a method for operating the battery unit on a motor vehicle's electrical system. A coupling current (1k) flowing through the coupling unit (30) is measured. When the coupling current (1k) flows from the first connection (31) to the second connection (32) and falls short of a first threshold value, the second DC converter (42) is connected and the first DC converter (41) is disabled.

Abstract: A device (10; 10?) for connecting battery cells (30), characterized by: a multiplicity of cell connectors (14) for electrically connecting terminals (36) of the battery cells (30), and a carrier (12; 12?) for mechanically connecting the cell connectors (14) to one another.

Abstract: A lithium anode for a lithium cell and/or lithium battery comprises: a current conductor layer, an anode active material and a coating, wherein the current conductor layer is embodied in the manner of a lattice with a conductor structure that defines open voids, the anode active material is arranged in the cavities between the conductor structure, and the coating covers the current conductor layer and the anode active material. The invention also relates to a method for manufacturing such a lithium anode.

Abstract: The invention relates to a battery module housing (2001, . . . 2004) for a battery pack (10), characterized in that: the battery module housing (2001, . . . 2004) can contain a large number of battery cells (100111, . . . 100432) which each have a large wall surface (1201, 1202) and a small wall surface (1301, 1302), of which small wall surface the surface area is less than a surface area of the large wall surface (1201, 1202), wherein the battery cells (100119, 100129, 100132, 100142, 100219, 100229, 100232, 100242, 100319, 100329, 100332, 100342, 100419, 100432) which can be arranged adjacent to outer sides of the battery pack (10) can be oriented in such a way that their large wall surfaces (1201, 1202) run along the outer sides, so that a force which acts on one of the outer sides can initially be received by one of the large wall surfaces (1201, 1202), and also to a battery module (201, 204), to a battery (10), to a battery, to a vehicle and also to a method for producing a battery module (201, . . .

Abstract: The invention relates to a method for managing a battery comprising a plurality of battery cells, wherein a maximum value of a current that can be delivered by the battery is adjusted on the basis of a frequency distribution (44) of a root mean square current delivered by the battery. The invention further relates to a battery management system and a computer program for carrying out said method as well as to a motor vehicle comprising a battery which includes a battery management system of said type.

Abstract: The disclosure relates to a method for battery management, wherein a magnitude of a current that can be provided by the battery within a prediction period is determined from an available magnitude of a status variable, which is predicted within the prediction period, wherein the predicted available magnitude of the status variable is determined by means of a difference between a permissible magnitude of the status variable, which is determined for a first reference period, and an obtained magnitude of the status variable, which is determined for the first reference period. The disclosure also relates to a computer program and a battery management system suitable for carrying out the method and to a motor vehicle having such a battery management system.

Abstract: The invention relates to a method for managing a battery comprising a plurality of battery cells, wherein a maximum value of a current that can be delivered by the battery is adjusted on the basis of a frequency distribution (44) of a root mean square current delivered by the battery. The invention further relates to a battery management system and a computer program for carrying out said method as well as to a motor vehicle comprising a battery which includes a battery management system of said type.