A battery for a motor vehicle, in which electrical connections of a plurality of battery cells, are connected by at least one electrically conducting connection element. The battery cells have a galvanic element. The battery cells are connected so that a rated voltage is provided by the battery which is greater than the rated voltage of one of the battery cells. After connecting the electrical connection terminals of at least two battery cells, a switching element of one of the battery cells, arranged between an arrester of the galvanic element and one of the electrical connection terminals, is brought into a switching state in which an electrically conducting connection between an arrester of the galvanic element and at least one of the electrical connection terminals of the battery cell is produced.

A power distribution includes first and second inputs, first and second outputs, and a third output configured to connect to a low-voltage vehicle power supply, a high-voltage distributor is connected to the first input and forms the connection between the energy storage and further components of the power distribution. A controller monitors at least the high-voltage distributor and can control components of the power distribution. At least one inverter is arranged in the current path between the high-voltage distributor and at least one of the contacts for the first output, the second output or the second input, a first converter is arranged between the high-voltage distributor and the third output and converts a DC voltage provided by the high-voltage distributor to a lower DC voltage.

A power distribution includes first and second inputs, first and second outputs, and a third output configured to connect to a low-voltage vehicle power supply, a high-voltage distributor is connected to the first input and forms the connection between the energy storage and further components of the power distribution. A controller monitors at least the high-voltage distributor and can control components of the power distribution. At least one inverter is arranged in the current path between the high-voltage distributor and at least one of the contacts for the first output, the second output or the second input, a first converter is arranged between the high-voltage distributor and the third output and converts a DC voltage provided by the high-voltage distributor to a lower DC voltage.

The disclosure relates to a method for the battery management of a battery which comprises a plurality of battery cells and which is fitted with a battery management system for monitoring battery functionality and with a charge state compensation system, wherein the battery management system comprises a plurality of sensor control devices and a main control device, said control devices being connected with one another via a communication channel, and wherein the charge state compensation system has a number of charge state compensation resistors being put into operation via the sensor control devices for a charge state compensation of battery cells. The sensor control devices save information about performed charge state compensations in non-volatile memory. A computer program, a battery management system, a battery system and a motor vehicle, which are designed to carry out the method, are also described.

A method of determining ageing of a mixed electrode of a full cell lithium ion battery is presented. The method includes obtaining a voltage hysteresis of the full cell lithium ion battery by comparison of a charging voltage to a discharging voltage at a specific state of charge, SOC. The specific SOC is in a range from 0% to 20% of a maximum SOC. The method further includes determining ageing of a volume expanding component of the mixed electrode based on the obtained voltage hysteresis.

In a hybrid flight vehicle, having multiple rotors attached to a frame, a gas turbine engine to drive the rotors; a generator connected to the gas engine to generate electric power, a battery store the electrical power generated by the generator. multiple first electric motors connected to the rotors to drive the same by the electric power supplied from the battery, a second electric motor connected to the gas turbine engine to motor the engine by the electric power supplied from the battery and a control unit to control flight, wherein the control unit stops supply of the fuel to the engine when a detected residual of the battery is equal to or greater than a predetermined value, and supplies electric power to the second electric motor to motor the engine when a detected temperature of the engine is equal to or higher than a predetermined temperature.

In a hybrid flight vehicle, having multiple rotors attached to a frame, a gas turbine engine to drive the rotors; a generator connected to the gas engine to generate electric power, a battery store the electrical power generated by the generator. multiple first electric motors connected to the rotors to drive the same by the electric power supplied from the battery, a second electric motor connected to the gas turbine engine to motor the engine by the electric power supplied from the battery and a control unit to control flight, wherein the control unit stops supply of the fuel to the engine when a detected residual of the battery is equal to or greater than a predetermined value, and supplies electric power to the second electric motor to motor the engine when a detected temperature of the engine is equal to or higher than a predetermined temperature.

A control device includes: an in-vehicle communication unit capable of communicating with an on-vehicle control device; and a control unit configured to control the in-vehicle communication unit. The control unit monitors a power storage amount of an on-vehicle battery during traveling, and executes a charge control for causing the in-vehicle communication unit to transmit an instruction of power generation to an on-vehicle generator that supplies power to the on-vehicle battery, when the power storage amount is reduced to reach a threshold value. The threshold value corresponds to a power amount greater than a necessary power amount required for an update process of a control program in the on-vehicle control device.

The present disclosure relates to systems and methods of detecting a hydrogen leak in a system comprising a hydrogen storage system storing hydrogen, a temperature sensor, a pressure sensor, a hydrogen storage system controller, and a notification system. The hydrogen storage system controller is configured to measure thermodynamic properties of the hydrogen in the hydrogen storage system, and the thermodynamic properties of the hydrogen are used to determine if there is a hydrogen leak in the fuel cell system. The notification system alerts a user of any detected hydrogen leak.

A power supply system of a fuel cell using user authentication includes: a tagging device that receives user information of a user terminal; an identity authentication unit, which compares the user information inputted through the tagging device with previously stored authentication information and outputs a use authority signal when the user information matches the authentication information; a power module complete that produces electric power by a chemical reaction between hydrogen and oxygen; a battery that receives and is charged with electric power produced by the power module complete; an output terminal that is connected to the battery to output electric power stored in the battery; and an integrated body control unit that controls electric power to be outputted through the output terminal when the identity authentication unit outputs the use authority signal.