Robert Boschgmbh

Samsung Sdi Co., Inc.

Nxp B.v.

Koninklijke Philips Corporation N.v.

Siemens Aktiengesellschaft

Koninklijke Phillips Electronics N.v.

Rober Bosch Gmbh

Gs Yuasa International Ltd.

Leybold Gmbh

Bergische Universität Wuppertal

Stefan Butzmann

Holger Fink

Joachim Fetzer

Hans Partes

Joachim Melbert

Holger Sievert

Ralph Schmidt

Peter Taufer

Bernd Eckert

Tobias Richter

Stefan Aldinger

Dirk Hasenkopf

Sarmimala Hore

Chrysanthos Tzivanopoulos

Sven Bergmann

Hans-Joerg Wolff

Philipp Hillenbrand

Michael Hinz

Marco Friedrich

Thomas Stork

Andreas Heyl

Hendrik Boezen

Peter Feuerstack

Andre Boehm

Stefan Wickert

Markus Klausner

Michel Aliman

Jochen Weber

Martin Braun

Hin Yiu Anthony Chung

Frank Schindler

Alexander Laue

Reinhard Buchhold

Andreas Bosch

Anne Heubner

Martin Lang

Volkmar Denner

Matthias Heil

Marcus Prochaska

Karsten Thoelmann

Stefan Pusch

Marcus Weser

David Tastekin

Jacobus Adrianus Van Oevelen

Christian Bernhardt

Boris Klabunde

Gunnar Schulz

Michael Schmidt

Albrecht Brockhaus

Marius Finke

A device for cooling a plurality of electrical components, each having a component cooling surface to be cooled, includes a first heat sink, a second heat sink, and a plurality of fasteners. The first heat sink has a first heat-sink cooling surface, and the second heat sink has a second heat-sink cooling surface. The first and second heat-sink cooling surfaces are positioned in a planar arrangement such that the first and second heat-sink cooling surfaces face each other. The first heat-sink cooling surface is configured to receive a first sub-set of the component cooling surfaces of the plurality of electrical components, and the second heat-sink cooling surface is configured to receive a second sub-set of the component cooling surfaces. The fasteners are configured to fasten the first and second heat-sink cooling surfaces to the corresponding component cooling surfaces of the plurality of electrical components to be applied.

Device for cooling electrical components

The present invention relates to a method for controlling an output voltage of a battery system comprising a plurality of battery cells, which are electrically interconnected in such a way that battery cells of the battery system can respectively be connected to the battery system and can be electrically bypassed. In order to adapt an actual output voltage of the battery system to a target output voltage, at least one switch-on probability is generated and the battery cells having the at least one generated switch-on probability are connected to the battery system and additionally at least one switch-off probability is generated and the battery cells having the at least one generated switch-off probability are electrically bypassed. The present invention further relates to a battery system designed to carry out the method according to the invention, comprising a plurality of electrically interconnected battery cells a plurality of activation circuits, and a control unit, wherein the battery cells can be respectively connected to the battery system or electrically bypassed by means of the activation circuits.

Method for controlling an output voltage of a battery system and battery system designed to carry out the method

The invention relates to a method () and a control device (I) for controlling at least two power semiconductor switches (LHS. . . LHSn) connected in parallel for switching a total current (I_ges). The at least two power semiconductor switches (LHS. . . LHSn) connected in parallel each have a gate terminal for controlling the respective power semiconductor switch (LHS. . . LHS). An input terminal (EA) for feeding the total current (I_ges), an output terminal (AA) for discharging the total current (I_ges), and a joint control terminal (S) for receiving a joint control signal (SI) that has the state 'disconnect' or 'connect' are provided. The at least two power semiconductor switches (LHS. . . LHSn) connected in parallel are connected to the input terminal (EA) at an input end and to the output terminal (AA) at the output end.

Method and device for controlling power semiconductor switches connected in parallel

A method for transferring a minimum and/or a maximum value of a battery system parameter from a quantity of values of said battery system parameter in a battery system comprising a plurality of battery cells, wherein the minimum value of the battery system parameter is transferred via a first data line and/or the maximum value of the battery system parameter is transferred via a second data line. A periodic clock signal having a permanent period duration is generated. To transfer the minimum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal, a first signal is generated and given to the first data line, and/or to transfer the maximum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal, a second signal is generated and given to the second data line.

Method for transferring a minimum and/or a maximum value of a battery system parameter and battery system for carrying out such a method

The invention relates to a DC-DC converter with a first input voltage connection and a second input voltage connection, between which an input DC voltage can be applied, a first converter device, which is designed to convert a first sub-voltage of the input DC voltage into an output DC voltage, and a second convertor device, which is coupled between the first input voltage connection and the second input voltage connection in a series circuit relative to the first convertor device on the input side and which is designed to convert a second sub-voltage of the input DC voltage into an output DC voltage. The DC-DC converter further comprises a control device which is coupled to the first convertor device and the second converter device and which is designed to operate the first converter device with a variable first sub-voltage and the second converter device with a constant second sub-voltage.

DC-DC converter and method for controlling a DC-DC converter

An energy storage device for generating an n-phase supply voltage includes a plurality of energy supply branches that are connected in parallel, each of which is connected to an output connector of the energy storage device. Each of the energy supply branches includes a plurality of energy storage modules that are connected in series, each having at least one energy storage cell, and having a plurality of coupling modules connected to one of the plurality of energy storage modules, respectively, each configured to couple, or to bridge, the connected energy storage module with the energy supply branch. The energy storage device further includes a control system.

Energy storage device, system having an energy storage device, and method for operating an energy storage device

The disclosure relates to a method and a circuit for the improved use of a capacitance in an intermediate circuit. According to the disclosure, a change in a voltage in an intermediate circuit is detected and electrical energy is actively provided depending on the change in the electrical variable in order to compensate the change. According to the disclosure, a capacitance used in the intermediate circuit can end up significantly smaller if the electrical energy fed in is used, in that the voltage of the capacitance is supported by a current fed into the capacitance on the earth side.

Method and circuit for the improved use of capacitance in an intermediate circuit

A method for detecting a short circuit within an energy store. The method includeds registering a current which flows through the energy store, registering a first voltage which is made available by the energy store at a first time, registering a second voltage which is made available by the energy store at a second time following the first time, determining whether the energy store is in a state of charge, a discharge state or in an open-circuit state, executing a first detection step when the energy store is in an open-circuit state, a second detection step when the energy store is in a state of charge, and a third detection step when the energy store is in a discharged state, and determining whether a short circuit is present based on the first and second voltage.

Method for detection of short circuits within an energy storage device

A method includes activating electrochemical cells of a cell assembly to output electrical energy in accordance with a superordinate clock signal in order to have an activation and/or switch-off time points of the respective cells on the basis of the superordinate clock signal not all occur at the same time. To reduce the complexity of smoothing the total battery voltage, the switching time points according to the disclosure are shifted on the basis of the superordinate clock signal for the first cell in accordance with a first switching specification by a cell-specific first clock shift signal.

Cell assembly having a plurality of electrochemical cells and method for operating said cell assembly

A battery module for a battery system includes two terminals, via which the battery module can be electrically connected to the battery system. Furthermore, the battery module has a battery string, which connects the two terminals to one another and has at least one battery cell connected in series and/or in parallel with the battery string. The battery module comprises a battery module circuit, which is configured, upon receiving an alarm signal, to bridge the battery module via the terminals thereof. The at least one battery cell is connected to a monitoring circuit associated with the battery cell. The monitoring circuit is connected to an alarm line via an electrical connection. The alarm line is connected to an input of the battery module circuit.

Battery module with alarm line

The invention relates to an electrochemical energy accumulator and to a method for switching cells of an electrochemical energy accumulator. According to the invention, the following steps are carried out: a first desired value of an output voltage of the energy accumulator is determined, a first probability for switching a first cell is determined, said first probability predefining connection and/or disconnection of the first cell to or from the electromechanical energy accumulator, a first common state of charge threshold value being defined for all cells of the electrochemical energy accumulator in accordance with the first desired value, and the first cell is disconnected independently from the first probability value as long as the charge state lies below the charge state threshold value.

Electrochemical energy accumulator and method for switching cells of an electrochemical energy accumulator

The invention relates to an open-loop and/or closed loop control system () for a secondary battery (). Each cell electronics unit () is configured to detect a respective state of the battery cell (), to generate a state parameter assigned to the respectively detected state, to weight, with the respective state parameter, a value of a probability of the battery cell () being switched on and to control the state of the battery cell () as a function of the respective control signal and the value, weighted with the respective state parameter, of the probability of the battery cell () being switched on. A control signal contains at least one information item according to which the values, stored in the cell electronics units (), of the probability of the respective battery cell () being switched on are retained, incrementally increased, incrementally reduced or reset to a predefined output value.

Control of a secondary battery with battery cells which can be connected in series with one another

The invention relates to an electrochemical composite storage system and to an electrical circuit comprising an electrochemical composite storage system of this type. The circuit and system comprise branches (ST, ST, ST, ST, ST, ST), which are connected in parallel, of electrochemical storage modules (), said storage modules () having first connection terminals and each module having an electrical circuit. The composite storage system is designed to operate the branches (ST, ST, ST, ST, ST, ST) inside the composite storage system optionally as a current source or a voltage source, by means of the electrical circuits.

Electrochemical composite storage system

The invention relates to a method for operating an electric circuit arrangement () which has a low-voltage sub-network () and a high-voltage sub-network (). A test signal is transmitted from one of the sub-networks () to the other sub-network () in order to detect a fault depending on the reception of the signal in the other sub-network () and to switch the circuit arrangement () to a safe state. A data bus (), which connects a low-voltage control unit () of the low-voltage sub-network () to a high-voltage control unit () of the high-voltage sub-network (), is operated with a maximum bus load at least temporarily as a test signal so that data packets are transmitted at fixed time intervals, and a fault is detected depending on a delay of the last received data packet, said delay being detected by the control unit () receiving the data packets.

Method and device for operating a circuit arrangement, circuit arrangement

A battery module comprising a plurality of chambers of a first type, a chamber of a second type, a plurality of chambers of a third type, at least one battery unit positioned in one of the plurality of chambers of the first type, and switching electronics positioned in the chamber of the second type. At least one of the plurality of chambers of the third type is positioned between one of the plurality of chambers of the first type and the chamber of the second type.

Connectable battery module

Growing community of inventors

Beilstein, Germany

Stefan Butzmann