Abstract: A method for operating a motor vehicle configured as an electric or hybrid vehicle during its charging process, including: generating a charging signal by the motor vehicle, such that the charging signal indicates an imminent charging of the motor vehicle taking place at a charging station; detecting the charging signal by a control device; detecting at least one presence information item once the charging signal has been detected by way of at least one sensor of the motor vehicle, such that the presence information item relates to the presence or absence of at least one stranger located in a vicinity of the motor vehicle; checking for the fulfillment of an action condition by way of the control device, such that the action condition is fulfilled if the presence information item verifies that a stranger is present; generating and outputting at least one control signal by the control device.

Abstract: A filling head for filling an electrochemical cell with electrolyte has a pre-chamber and a filling chamber, as well as a shutoff element which is movable between an open position and a closed position and releases an opening between the pre-chamber and the filling chamber in the open position and closes off the opening in the closed position. The filling chamber has a pressure port. The shutoff element is movable against a restoring force from the closed position into the open position.

Abstract: An energy storage device for a motor vehicle includes a battery module and at least one thermally insulating filling element, which is preferably designed as a thermally insulating cell separator element arranged between two battery cells of the battery module. The filling element is designed to be soluble here, so that it dissolves at least in part when it comes into contact with a specific minimum amount of a specific liquid.

Abstract: An energy storage device for a motor vehicle with a protective device for protecting at least one battery cell of the energy storage device. The energy storage device includes at least one component made of a plastic material. The component is part of the protective device and the plastic material comprises a superabsorbent material, so that the at least one component is designed to absorb liquid. The component is also assigned an additional function that differs from the absorption of liquid.

Abstract: A motor vehicle with an energy storage, a coolant connection device for coupling to an external coolant source, and a cooling device. At least in one first operating condition a coolant can be supplied, via the coolant connection device, to the motor vehicle for thermally regulating the energy storage by the cooling device during a charging process for electrically charging the energy storage, and at least in a second operating condition an interior of the energy storage can be flooded. The motor vehicle has a first cooling circuit part and a second cooling circuit part which is fluidically separated from the first and is coupled via a heat exchanger at least in the first operating condition.

Abstract: A battery arrangement for a motor vehicle for fighting a battery fire. The battery arrangement includes a battery having at least one battery cell, which is arranged in a battery housing. A charging device is designed to provide electrical energy to the at least one battery cell when connected to a motor vehicle-external energy supply system. Furthermore, a detection device is formed for detecting a predetermined heating state of the battery, which indicates that a battery fire is present or at least imminent. The charging device also includes an extinguishing agent supply unit for fighting fires. The extinguishing agent supply unit is designed, when connected to a motor vehicle-external extinguishing agent reservoir and when the predetermined heating state is present, to provide a predetermined extinguishing agent for supply into the battery housing.

Abstract: A battery arrangement for a motor vehicle, the battery arrangement has a high voltage battery which has a battery housing and several battery cells in the battery housing, and a flooding device for flooding the high voltage battery. The flooding device has at least one supply connection, and the battery arrangement is formed to introduce a cooling medium supplied to the at least one supply connection into the battery housing. Furthermore, the flooding device includes at least one drain through which cooling medium supplied to the battery housing can be guided out of the battery arrangement.

Abstract: A battery arrangement with a battery housing in which at least one battery element is arranged. The battery arrangement includes an extinguishing device which has at least one extinguishing unit which is also arranged in the battery housing. The extinguishing unit includes a housing element and an extinguishing agent which is arranged in a cavity in the housing element. The extinguishing unit has a detonation mechanism which is designed to cause a detonation of the housing element and a release of the extinguishing agent in the form of an aerosol when a predetermined fire condition, which results from a fire in the at least one battery element, is present.

Abstract: A method of discharging battery modules of a battery in case of a fault state of at least one of the battery modules, a respective battery module of the plurality of battery modules having at least one battery cell includes, under at least one first condition that at least one first battery cell of a first battery module of the plurality of battery modules has at least one critical state, respective second battery modules, from among the battery modules which are different from the first battery module are at least partly discharged in accordance with an order at least under a second condition. The order depending on a spatial distance between the respective second battery modules different from the first battery module and the first battery module and/or depending on a thermal resistance between the respective battery modules different from the first battery module and the first battery module.

Abstract: A battery arrangement for a motor vehicle, having a battery and an extinguishing agent supply device for guiding an extinguishing agent at the extinguishing agent supply device to the battery. The extinguishing agent feed device has a first connector coupling to an extinguishing agent reservoir external to the motor vehicle, a second connector connected to at least one component of the battery, and a line from the first connector to the second connector. The line includes at least one first line section which, with respect to an intended installation position of the battery arrangement in the motor vehicle, has a positive slope in relation to a horizontal and with respect to an extension direction of the line from the first connector to the second connector; and/or the extinguishing agent supply device has a closure element having an active locking mechanism which is unlockable or lockable by an associated unlocking unit.

Abstract: A vehicle having a battery, which has a battery housing and at least one battery cell arranged in the battery housing. The motor vehicle has an extinguishing agent line for guiding an extinguishing agent, which includes a first end which opens at least into the battery housing and a second end which opens into a region of the motor vehicle which is arranged in an interior of the motor vehicle. In this case, the second end has a coupling element for coupling to an extinguishing agent reservoir. The extinguishing agent line has a closure device releasable under at least one predetermined condition, which releases a supply of extinguishing agent through the first end into an interior of the battery housing only when the at least one predetermined condition is met.

Abstract: A cooling arrangement for cooling at least one first and/or second battery module of a high-voltage battery for a motor vehicle. The cooling arrangement has a line arrangement which includes a feed connection, a first and second opening respectively associated with the first and second battery module, and which is designed as branched, so that a cooling medium provided at the feed connection can be led via a first line branch to the first outlet opening and via a second line branch to the second outlet opening and can be led selectively out of the first outlet opening or the second outlet opening.

Abstract: A motor vehicle having an access area for extinguishing a battery fire. The motor vehicle includes a high voltage battery with a battery housing and at least one battery cell, a receiving area in which the high voltage battery is received, a side wall which bounds the receiving area in one direction, and an access area which is positioned in the side wall and through which an extinguishing device can be introduced at least partially into the receiving area from a side of the side wall facing away from the high-voltage battery. The receiving area has at least one defined dead area associated with the access area, in which no battery cell is arranged.