Abstract: An electrical energy store, comprising a housing in which a unit made up of energy storage cells is located, at least some of the housing being fastened to the unit by means of an adhesive bond, and the adhesive bond being at least selectively weakened or releasable.

Abstract: A method is provided for at least partially recycling and/or repairing an electrical energy accumulator having at least one cell arrangement consisting of a plurality of electrical energy accumulator cells joined in an accumulator housing of the electrical energy accumulator by means of a filling. In the method, in order to remove at least one energy accumulator cell of the at least one cell arrangement from the filling that at least partially surrounds the energy accumulator cells, the at least one energy accumulator cell is released from the filling by at least one magnet which acts on a cell housing of the at least one energy accumulator cell.

Abstract: A multi-voltage storage system for an at least partly electrically driven vehicle includes a first storage module and a second storage module having an identical rated voltage for storing electrical energy, wherein on-board consumers are connected to the second storage module at least with priority during a charging process, a heating apparatus for heating the storage modules, a switch unit which is designed to connect the first storage module and the second storage module in series for a charging process and in parallel for driving the vehicle, and a control unit, which is firstly designed to control the switch unit before and/or during a charging process such that the parallel connection of the first storage module and the second storage module is eliminated, and which is secondly designed, after elimination of the parallel connection, to activate the heating apparatus before and/or during the charging process.

Abstract: Disclosed is a battery cell including an electrode, a housing, a cell interior inside the housing, a temperature sensor, and a heat-conducting part which differs from the electrode, is entirely or partially disposed inside the housing of the battery cell, and is thermally connected to the temperature sensor.

Abstract: A multi-voltage storage system for an at least partly electrically driven vehicle includes a first storage module and a second storage module having an identical rated voltage for storing electrical energy, wherein on-board consumers are connected to the second storage module at least with priority during a charging process, a heating apparatus for heating the storage modules, a switch unit which is designed to connect the first storage module and the second storage module in series for a charging process and in parallel for driving the vehicle, and a control unit, which is firstly designed to control the switch unit before and/or during a charging process such that the parallel connection of the first storage module and the second storage module is eliminated, and which is secondly designed, after elimination of the parallel connection, to activate the heating apparatus before and/or during the charging process.

Abstract: A high-voltage battery for a motor vehicle has at least one battery cell for storing electrical energy and at least one temperature sensor, by which a temperature of the battery cell can be detected. The temperature sensor is arranged within the battery cell.

Abstract: Disclosed is a battery cell including an electrode, a housing, a cell interior inside the housing, a temperature sensor, and a heat-conducting part which differs from the electrode, is entirely or partially disposed inside the housing of the battery cell, and is thermally connected to the temperature sensor.