DE102012221076A1 - Energy storage cell e.g. fuel cell, for storing electrical power in energy storage of power supply system of mobile terminal, has measuring unit for transmitting measurement data to RFID-receiver, which is arranged outside of housing - Google Patents
Energy storage cell e.g. fuel cell, for storing electrical power in energy storage of power supply system of mobile terminal, has measuring unit for transmitting measurement data to RFID-receiver, which is arranged outside of housing Download PDFInfo
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- DE102012221076A1 DE102012221076A1 DE201210221076 DE102012221076A DE102012221076A1 DE 102012221076 A1 DE102012221076 A1 DE 102012221076A1 DE 201210221076 DE201210221076 DE 201210221076 DE 102012221076 A DE102012221076 A DE 102012221076A DE 102012221076 A1 DE102012221076 A1 DE 102012221076A1
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- energy storage
- storage cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
- H04Q2209/47—Arrangements in telecontrol or telemetry systems using a wireless architecture using RFID associated with sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Die Erfindung betrifft eine Energiespeicherzelle zur Speicherung elektrischer Energie sowie einen entsprechenden Energiespeicher mit mehreren darin integrierten seriell oder parallel verschalteten Energiespeicherzellen. The invention relates to an energy storage cell for storing electrical energy and to a corresponding energy store having a plurality of energy storage cells connected in series or in parallel.
Energiespeicherzellen, insbesondere Batterien oder dergleichen, kommen als elektrische Energiespeicher zunehmend sowohl bei mobilen als auch bei stationären Endgeräten zum Einsatz. Dabei werden Überwachungssysteme eingesetzt, mit deren Hilfe verschiedene Parameter des Energiespeichers überwacht werden. Die Überwachung des Energiespeichers durch ein Überwachungssystem dient dazu, den Energiespeicher vor einer Beschädigung zu schützen und einen ständigen Betrieb des Energiespeichers innerhalb des Energieversorgungssystems zu gewährleisten. Energy storage cells, in particular batteries or the like, are increasingly used as electrical energy storage devices both in mobile and in stationary terminals. This monitoring systems are used, with the help of various parameters of the energy storage are monitored. The monitoring of the energy storage by a monitoring system serves to protect the energy storage from damage and to ensure a continuous operation of the energy storage within the energy supply system.
Herkömmliche Überwachungssysteme überwachen einen oder mehrere Energiespeicher von außen mit unterschiedlichen Sonden bzw. Sensoren, die für die jeweilige Messgröße ausgelegt sind. Diese herkömmlichen Überwachungssysteme erlauben allerdings keinen messtechnischen Einblick in den Energiespeicher selbst bzw. in das Innere der Energiespeicherzelle. Bisherige Überwachungssysteme beschränken sich auf Messungen, die an Elektrodenanschlüssen bzw. Anschlusselektroden der Energiespeicherzelle ansetzen. Diese herkömmlichen Überwachungssysteme haben den Nachteil, dass sie nur beschränkte indirekte Einblicke in die physikalischen Verhältnisse innerhalb der Energiespeicherzelle erlauben. Darüber hinaus erlauben diese herkömmlichen Überwachungssysteme es nicht, alle relevanten Parameter, die für die Funktion der Energiespeicherzelle von Bedeutung sind, zu messen und zu überwachen. Conventional monitoring systems monitor one or more external energy stores with different probes or sensors designed for the respective measured variable. However, these conventional monitoring systems do not allow metrological insight into the energy storage itself or into the interior of the energy storage cell. Previous monitoring systems are limited to measurements which are based on electrode connections or connection electrodes of the energy storage cell. These conventional monitoring systems have the disadvantage that they allow only limited indirect insight into the physical conditions within the energy storage cell. In addition, these conventional monitoring systems do not allow to measure and monitor all relevant parameters that are important to the function of the energy storage cell.
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Energiespeicherzelle zu schaffen, die es ermöglicht, alle relevanten Betriebsparameter der Energiespeicherzelle zu überwachen. It is therefore an object of the present invention to provide an energy storage cell which makes it possible to monitor all relevant operating parameters of the energy storage cell.
Diese Aufgabe wird erfindungsgemäß durch eine Energiespeicherzelle mit den in Patentanspruch 1 angegebenen Merkmalen gelöst. This object is achieved by an energy storage cell having the features specified in
Die Erfindung schafft demnach eine Energiespeicherzelle zur Speicherung elektrischer Energie mit Anschlusselektroden, die an einem geschlossenen Gehäuse der Energiespeicherzelle angebracht sind,
und mit einer innerhalb des geschlossenen Gehäuses der Energiespeicherzelle vorhandenen Messeinheit, die zur Messung von mindestens einem Betriebsparameter der Energiespeicherzelle vorgesehen ist,
wobei die Messeinheit Messdaten hinsichtlich der gemessenen Betriebsparameter zu deren Auswertung an einen außerhalb des geschlossenen Gehäuses der Energiespeicherzelle befindlichen Empfänger überträgt. The invention accordingly provides an energy storage cell for storing electrical energy with connection electrodes which are attached to a closed housing of the energy storage cell,
and with an existing within the closed housing of the energy storage cell measuring unit, which is provided for measuring at least one operating parameter of the energy storage cell,
wherein the measuring unit transmits measured data with regard to the measured operating parameters for their evaluation to a receiver located outside the closed housing of the energy storage cell.
Bei einer möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle überträgt die Messeinheit die Messdaten der Betriebsparameter drahtlos per Funk an den außerhalb des geschlossenen Gehäuses der Energiespeicherzelle befindlichen Empfänger. In one possible embodiment of the energy storage cell according to the invention, the measuring unit transmits the measurement data of the operating parameters wirelessly to the receiver located outside the closed housing of the energy storage cell.
Bei einer möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle weist die Messeinheit einen RFID-Sender auf, welcher die Messdaten der Betriebsparameter drahtlos per Funk an den außerhalb des geschlossenen Gehäuses der Energiespeicherzelle befindlichen RFID-Empfänger überträgt. In one possible embodiment of the energy storage cell according to the invention, the measuring unit has an RFID transmitter, which wirelessly transmits the measurement data of the operating parameters to the RFID receiver located outside the closed housing of the energy storage cell.
Bei einer möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle ist die Messeinheit an eine Sendeantenne zur Übertragung der Messdaten an den außerhalb des geschlossenen Gehäuses der Energiespeicherzelle befindlichen RFID-Empfänger angeschlossen. In one possible embodiment of the energy storage cell according to the invention, the measuring unit is connected to a transmitting antenna for transmitting the measured data to the RFID receiver located outside the closed housing of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle ist die Sendeantenne geometrisch an die Form des geschlossenen Gehäuses der Energiespeicherzelle angepasst. In a further possible embodiment of the energy storage cell according to the invention, the transmitting antenna is geometrically adapted to the shape of the closed housing of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle ist die Sendeantenne an dem geschlossenen Gehäuse der Energiespeicherzelle angebracht. In a further possible embodiment of the energy storage cell according to the invention, the transmitting antenna is attached to the closed housing of the energy storage cell.
Bei einer möglichen Implementierung der erfindungsgemäßen Energiespeicherzelle ist die Sendeantenne durch eine in das Gehäuse geformte Struktur gebildet. In one possible implementation of the energy storage cell according to the invention, the transmitting antenna is formed by a structure formed in the housing.
Bei einer weiteren möglichen Implementierung der erfindungsgemäßen Energiespeicherzelle ist die Sendeantenne durch eine zusätzlich auf das Gehäuse angebrachte Metallschicht gebildet. In a further possible implementation of the energy storage cell according to the invention, the transmitting antenna is formed by an additionally mounted on the housing metal layer.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle ist an dem geschlossenen Gehäuse der Energiespeicherzelle eine Zusatztasche angebracht, an welcher die Sendeantenne vorgesehen ist. In a further possible embodiment of the energy storage cell according to the invention an additional bag is attached to the closed housing of the energy storage cell, on which the transmitting antenna is provided.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle überträgt die Messeinheit die Messdaten der Betriebsparameter über die Anschlusselektroden der Energiespeicherzelle an den außerhalb des Gehäuses der Energiespeicherzelle befindlichen Empfänger. In a further possible embodiment of the energy storage cell according to the invention, the measuring unit transmits the measurement data of the operating parameters via the terminal electrodes of the energy storage cell to the outside of Housing the energy storage cell located receiver.
Bei einer möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle werden durch die Messeinheit die Messdaten mit einer bestimmten Frequenz, Amplitude und/oder Signalform zur Übertragung an den außerhalb des Gehäuses der Energiespeicherzelle befindlichen Empfänger aufmoduliert. In one possible embodiment of the energy storage cell according to the invention, the measurement data with a specific frequency, amplitude and / or signal shape are modulated by the measuring unit for transmission to the receiver located outside the housing of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle greift die Messeinheit der Energiespeicherzelle als Betriebsparameter der Energiespeicherzelle die zwischen den Anschlusselektroden der Energiespeicherzelle vorhandene Betriebsspannung direkt ab. In a further possible embodiment of the energy storage cell according to the invention, the measuring unit of the energy storage cell as operating parameter of the energy storage cell directly accesses the operating voltage existing between the connection electrodes of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle erfasst die Messeinheit der Energiespeicherzelle als Betriebsparameter der Energiespeicherzelle den über die Anschlusselektroden der Energiespeicherzelle fließenden elektrischen Strom. In a further possible embodiment of the energy storage cell according to the invention, the measuring unit of the energy storage cell detects, as operating parameter of the energy storage cell, the electric current flowing via the connection electrodes of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle sind an der Messeinheit der Energiespeicherzelle Sensoren angeschlossen, die innerhalb des geschlossenen Gehäuses der Energiespeicherzelle vorgesehen sind. In a further possible embodiment of the energy storage cell according to the invention sensors are connected to the measuring unit of the energy storage cell, which are provided within the closed housing of the energy storage cell.
Bei einer möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle umfassen die Sensoren der Energiespeicherzelle Temperatursensoren zur Erfassung einer Innentemperatur der Energiespeicherzelle. In one possible embodiment of the energy storage cell according to the invention, the sensors of the energy storage cell comprise temperature sensors for detecting an internal temperature of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle umfassen die Sensoren der Energiespeicherzelle Drucksensoren zur Erfassung eines innerhalb des geschlossenen Gehäuses der Energiespeicherzelle herrschenden Innendruckes. In a further possible embodiment of the energy storage cell according to the invention, the sensors of the energy storage cell include pressure sensors for detecting an internal pressure prevailing within the closed housing of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle umfassen die Sensoren der Energiespeicherzelle Gassensoren zur Erfassung einer Gaszusammensetzung eines innerhalb des geschlossenen Gehäuses der Energiespeicherzelle vorhandenen Gasgemisches. In a further possible embodiment of the energy storage cell according to the invention, the sensors of the energy storage cell include gas sensors for detecting a gas composition of a gas mixture present within the closed housing of the energy storage cell.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle besteht das geschlossene Gehäuse der Energiespeicherzelle aus einem gasdichten Material. In a further possible embodiment of the energy storage cell according to the invention, the closed housing of the energy storage cell consists of a gas-tight material.
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle wird die Messeinheit der Energiespeicherzelle für ihren Betrieb direkt durch die Energiespeicherzelle mit elektrischem Strom versorgt. In a further possible embodiment of the energy storage cell according to the invention, the measuring unit of the energy storage cell is supplied with electrical power for its operation directly by the energy storage cell.
Die Erfindung schafft ferner einen Energiespeicher mit mehreren seriell und/oder parallel verschalteten Energiespeicherzellen, wobei jede Energiespeicherzelle zur Speicherung elektrischer Energie vorgesehen ist und Anschlusselektroden aufweist, die an einem geschlossenen Gehäuse der Energiespeicherzelle angebracht sind, wobei die Energiespeicherzelle ferner eine innerhalb des geschlossenen Gehäuses der Energiespeicherzelle vorhandene Messeinheit aufweist, die zur Messung von mindestens einem Betriebsparameter der Energiespeicherzelle vorgesehen ist,
wobei die Messeinheit Messdaten hinsichtlich der gemessenen Betriebsparameter zu deren Auswertung an einen außerhalb des geschlossenen Gehäuses der Energiespeicherzelle befindlichen Empfänger überträgt. The invention further provides an energy store with a plurality of energy storage cells connected in series and / or in parallel, wherein each energy storage cell is provided for storing electrical energy and has connection electrodes which are attached to a closed housing of the energy storage cell, wherein the energy storage cell further comprises a within the closed housing of the energy storage cell having existing measuring unit, which is provided for measuring at least one operating parameter of the energy storage cell,
wherein the measuring unit transmits measured data with regard to the measured operating parameters for their evaluation to a receiver located outside the closed housing of the energy storage cell.
Bei einer möglichen Ausführungsform des erfindungsgemäßen Energiespeichers ist der Empfänger zum Empfang der von den verschiedenen Messeinheiten der in dem Energiespeicher enthaltenen Energiespeicherzellen in dem Energiespeicher integriert. In one possible embodiment of the energy storage device according to the invention, the receiver is integrated in the energy store for receiving the energy storage cells contained in the energy storage device by the various measurement units.
Bei einer weiteren möglichen Ausführungsform des erfindungsgemäßen Energiespeichers weist der Energiespeicher zusätzlich eine Datenverarbeitungseinheit auf, welche die von dem integrierten Empfänger empfangenen Messdaten der verschiedenen Energiespeicherzellen des Energiespeichers zur Überwachung der Betriebsparameter aller in dem Energiespeicher enthaltenen Energiespeicherzellen auswertet. In a further possible embodiment of the energy store according to the invention, the energy store additionally has a data processing unit which evaluates the measurement data of the different energy storage cells of the energy store received by the integrated receiver for monitoring the operating parameters of all energy storage cells contained in the energy store.
Bei einer weiteren möglichen Ausführungsform des erfindungsgemäßen Energiespeichers vergleicht die Datenverarbeitungseinheit des Energiespeichers die empfangenen Messdaten der verschiedenen Energiespeicherzellen des Energiespeichers mit Solldaten und überträgt bei Auftreten von übermäßigen Abweichungen zwischen den Messdaten und den Solldaten eine entsprechende Meldung an eine Steuereinheit. In a further possible embodiment of the energy store according to the invention, the data processing unit of the energy store compares the received measured data of the different energy storage cells of the energy store with desired data and transmits a corresponding message to a control unit when excessive deviations occur between the measured data and the desired data.
Bei einer möglichen Ausführungsform des erfindungsgemäßen Energiespeichers werden die Energiespeicherzellen des Energiespeichers durch Batteriezellen gebildet. In one possible embodiment of the energy store according to the invention, the energy storage cells of the energy store are formed by battery cells.
Bei einer möglichen Ausführungsform des erfindungsgemäßen Energiespeichers sind die Batteriezellen Lithiumbatteriezellen. In one possible embodiment of the energy store according to the invention, the battery cells are lithium battery cells.
Bei einer weiteren möglichen Ausführungsform des erfindungsgemäßen Energiespeichers werden die Energiespeicherzellen durch Brennstoffzellen gebildet. In a further possible embodiment of the energy store according to the invention The energy storage cells are formed by fuel cells.
Bei einer weiteren möglichen Ausführungsform des erfindungsgemäßen Energiespeichers werden die Energiespeicherzellen durch elektrische Kondensatoren gebildet. In a further possible embodiment of the energy storage device according to the invention, the energy storage cells are formed by electrical capacitors.
Bei einer weiteren möglichen Ausführungsform des erfindungsgemäßen Energiespeichers steuert die Steuereinheit nach Empfang einer Meldung von dem Energiespeicher, welche eine übermäßige Abweichung der Messdaten von den Solldaten zumindest bei einer Energiespeicherzelle des Energiespeichers anzeigt, Aktuatoren an, die der Abweichung der Messdaten von den Solldaten entgegenwirken. In a further possible embodiment of the energy store according to the invention, the control unit, after receiving a message from the energy store, which indicates an excessive deviation of the measured data from the desired data at least in an energy storage cell of the energy store, actuators, which counteract the deviation of the measured data from the desired data.
Im Weiteren werden mögliche Ausführungsformen der erfindungsgemäßen Energiespeicherzelle und des erfindungsgemäßen Energiespeichers unter Bezugnahme auf die beigefügten Figuren näher beschrieben. In the following, possible embodiments of the energy storage cell according to the invention and the energy storage device according to the invention will be described in more detail with reference to the attached figures.
Es zeigen: Show it:
Wie man aus
Wie man aus
Bei dem in
Bei dem in
Die Messeinheit
Mit der erfindungsgemäßen Energiespeicherzelle
Ein weiterer bei einer möglichen Ausführungsform überwachter Betriebsparameter stellt die Innentemperatur innerhalb der Energiespeicherzelle
Ein weiterer Betriebsparameter, welcher durch die in der Energiespeicherzelle
Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Energiespeicherzelle
Bei mehreren parallel verschalteten Energiespeicherzellen
Bei der erfindungsgemäßen Energiespeicherzelle
Die erfindungsgemäße Energiespeicherzelle
Bei der in
Bei der in
Die Anzahl und Verschaltung der Energiespeicherzellen
Claims (22)
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DE201210221076 DE102012221076A1 (en) | 2012-11-19 | 2012-11-19 | Energy storage cell e.g. fuel cell, for storing electrical power in energy storage of power supply system of mobile terminal, has measuring unit for transmitting measurement data to RFID-receiver, which is arranged outside of housing |
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DE201210221076 DE102012221076A1 (en) | 2012-11-19 | 2012-11-19 | Energy storage cell e.g. fuel cell, for storing electrical power in energy storage of power supply system of mobile terminal, has measuring unit for transmitting measurement data to RFID-receiver, which is arranged outside of housing |
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DE102019107614A1 (en) * | 2019-03-25 | 2020-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Energy storage device for a motor vehicle, method for operating such an energy storage device and motor vehicle |
DE102022200643A1 (en) | 2022-01-20 | 2023-07-20 | Minebea Mitsumi Inc. | Device for monitoring individual cell voltages |
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