DE102018219739A1 - Battery cell, battery module control unit and battery module - Google Patents
Battery cell, battery module control unit and battery module Download PDFInfo
- Publication number
- DE102018219739A1 DE102018219739A1 DE102018219739.3A DE102018219739A DE102018219739A1 DE 102018219739 A1 DE102018219739 A1 DE 102018219739A1 DE 102018219739 A DE102018219739 A DE 102018219739A DE 102018219739 A1 DE102018219739 A1 DE 102018219739A1
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- battery cell
- battery
- electronic circuit
- designed
- cell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
Abstract
Die Erfindung betrifft eine Batteriezelle (1), umfassend ein Batteriezellengehäuse (2), einen Batteriezellengehäusedeckel (3), zwei Batteriezellenterminals (4, 5), über welche die Batteriezelle (1) mit einem Batteriesystem verbindbar ist, eine positive Elektrode (6) und eine negative Elektrode (7), welche innerhalb des Batteriezellengehäuses (2) angeordnet und über jeweils einen Strompfad (9, 10) innerhalb des Batteriezellengehäuses (2) mit jeweils einem Batteriezellenterminal (4, 5) verbunden sind, sowie eine elektronische Schaltung (11), wobei die elektronische Schaltung (1) mindestens einen Empfänger (13) und mindestens einen Sender (14) aufweist, die jeweils mit einem der Strompfade (9, 10) verbunden sind, ein Batteriemodulsteuergerät (31) sowie ein Batteriemodul (30).The invention relates to a battery cell (1), comprising a battery cell housing (2), a battery cell housing cover (3), two battery cell terminals (4, 5), via which the battery cell (1) can be connected to a battery system, a positive electrode (6) and a negative electrode (7), which is arranged inside the battery cell housing (2) and is connected via a current path (9, 10) within the battery cell housing (2) to a battery cell terminal (4, 5), and an electronic circuit (11) The electronic circuit (1) has at least one receiver (13) and at least one transmitter (14), each of which is connected to one of the current paths (9, 10), a battery module control unit (31) and a battery module (30).
Description
Die Erfindung betrifft eine Batteriezelle mit einer elektronischen Schaltung, ein Batteriemodulsteuergerät und ein Batteriemodul.The invention relates to a battery cell with an electronic circuit, a battery module control unit and a battery module.
Es zeichnet sich ab, dass in Zukunft sowohl bei stationären Anwendungen (z.B. bei Windkraftanlagen) als auch in Fahrzeugen (z.B. Hybrid- und Elektrofahrzeugen) vermehrt neue Batterien bzw. Batteriezellen zum Einsatz kommen werden, an die sehr hohe Anforderungen bezüglich ihrer Zuverlässigkeit gestellt werden. Hintergrund für diese hohen Anforderungen ist, dass ein Ausfall der Batterie bzw. der Batteriezellen zu einem Ausfall des Gesamtsystems (z.B. einem Ausfall der Traktionsbatterie bei einem Elektrofahrzeug) oder sogar zu einem sicherheitsrelevanten Problem führen kann.It is becoming apparent that in the future, both in stationary applications (e.g. wind turbines) and in vehicles (e.g. hybrid and electric vehicles), more and more new batteries or battery cells will be used, which will place very high demands on their reliability. The background to these high requirements is that a failure of the battery or the battery cells can lead to a failure of the overall system (e.g. a failure of the traction battery in an electric vehicle) or even to a safety-related problem.
Aus diesem Grund müssen die Batteriezellen, beispielsweise die Batteriezellen einer Lithium-Ionen-Batterie, mit Halbleiterbauelementen sowie Sensoren beschaltet werden, um die Sicherheit sowie die elektrische Funktionstüchtigkeit der Batteriezelle beispielsweise innerhalb eines Batteriesystem aufrechterhalten zu können.For this reason, the battery cells, for example the battery cells of a lithium-ion battery, must be connected to semiconductor components and sensors in order to be able to maintain the safety and the electrical functionality of the battery cell, for example within a battery system.
Aus der
Aus der
Der Erfindung liegt das technische Problem zugrunde, eine robustere Batteriezelle zu schaffen. Ein weiteres technisches Problem ist die Schaffung eines geeigneten Batteriemodulsteuergerätes sowie eines Batteriemoduls.The invention is based on the technical problem of creating a more robust battery cell. Another technical problem is the creation of a suitable battery module control unit and a battery module.
Die Lösung des technischen Problems ergibt sich durch eine Batteriezelle mit den Merkmalen des Anspruchs 1, ein Batteriemodulsteuergerät mit den Merkmalen des Anspruchs 8 sowie ein Batteriemodul mit den Merkmalen des Anspruchs 9. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The solution to the technical problem results from a battery cell with the features of
Hierzu umfasst die Batteriezelle ein Batteriezellengehäuse, ein Batteriezellengehäusedeckel, zwei Batteriezellenterminals, über welche die Batteriezelle mit einem Batteriesystem verbindbar ist. Das Batteriesystem ist beispielsweise ein Batteriemodul. Weiter weist die Batteriezelle eine positive Elektrode und eine negative Elektrode auf, welche innerhalb des Batteriezellengehäuses angeordnet und über jeweils einen Strompfad innerhalb des Batteriezellengehäuses mit jeweils einem Batteriezellenterminal verbunden sind, sowie eine elektronische Schaltung. Die elektronische Schaltung weist mindestens einen Empfänger und mindestens einen Sender auf, die jeweils mit einem der Strompfade verbunden sind. Hierdurch kann auf separate Kommunikationsschnittstellen verzichtet werden, was die Fehleranfälligkeit reduziert. Ähnlich einer Powerline-Kommunikation können Daten über die Strompfade gesendet und empfangen werden. In einer Ausführungsform ist der Empfänger mit dem Strompfad der positiven Elektrode verbunden und der Sender mit dem Strompfad der negativen Elektrode verbunden.For this purpose, the battery cell comprises a battery cell housing, a battery cell housing cover, two battery cell terminals, via which the battery cell can be connected to a battery system. The battery system is, for example, a battery module. Furthermore, the battery cell has a positive electrode and a negative electrode, which are arranged within the battery cell housing and are each connected to a battery cell terminal via a current path inside the battery cell housing, and an electronic circuit. The electronic circuit has at least one receiver and at least one transmitter, each of which is connected to one of the current paths. This means that there is no need for separate communication interfaces, which reduces the susceptibility to errors. Similar to powerline communication, data can be sent and received via the current paths. In one embodiment, the receiver is connected to the positive electrode current path and the transmitter is connected to the negative electrode current path.
In einer Ausführungsform ist in der Batteriezelle mindestens ein Sensor angeordnet, wobei die elektronische Schaltung derart ausgebildet ist, über den Sender Sensorwerte zu übertragen, wobei die zu übertragenen Sensorwerte gegebenenfalls zuvor aufbereitet oder verarbeitet werden (z.B. gemittelt, gefiltert etc.). Beispielsweise ist der mindestens eine Sensor derart ausgebildet, die Batteriezellenspannung und/oder den Batteriezellenstrom und/oder den Batteriezellendruck und/oder die Batteriezellentemperatur zu erfassen.In one embodiment, at least one sensor is arranged in the battery cell, the electronic circuit being designed to transmit sensor values via the transmitter, the sensor values to be transmitted possibly being prepared or processed beforehand (e.g. averaged, filtered, etc.). For example, the at least one sensor is designed to detect the battery cell voltage and / or the battery cell current and / or the battery cell pressure and / or the battery cell temperature.
In einer weiteren Ausführungsform weist die Batteriezelle mindestens ein Druckausgleichselement auf, welches durch die elektronische Schaltung ansteuerbar ist. Dabei kann die Schaltung die Werte des Sensors für den Batteriezellendruck überwachen und entsprechend das Druckausgleichselement ansteuern.In a further embodiment, the battery cell has at least one pressure compensation element which can be controlled by the electronic circuit. The circuit can monitor the values of the sensor for the battery cell pressure and control the pressure compensation element accordingly.
In einer weiteren Ausführungsform ist mindestens einem der Strompfade ein Schaltelement angeordnet, sodass der Stromfluss durch die Batteriezelle unterbrochen werden kann. Dabei kann auch vorgesehen sein, dass in beiden Strompfaden jeweils ein Schaltelement vorgesehen ist.In a further embodiment, at least one of the current paths has a switching element arranged so that the current flow through the battery cell can be interrupted. It can also be provided that a switching element is provided in each of the two current paths.
In einer weiteren Ausführungsform ist die Batteriezelle derart ausgebildet, ein Zellenbalancing aufgrund einer empfangenen Steuerinformation durchzuführen. Beispielsweise ist ein schaltbarer Widerstand parallel zwischen den Elektroden angeordnet. Aber auch andere Schaltungsvarianten sind möglich, beispielsweise kann der Strom auch kapazitiv zwischengespeichert werden.In a further embodiment, the battery cell is designed in such a way, a cell balancing based on received control information. For example, a switchable resistor is arranged in parallel between the electrodes. However, other circuit variants are also possible, for example the current can also be capacitively buffered.
In einer Ausführungsform ist die Batteriezelle derart ausgebildet, eine gezielte Heizung der Batteriezelle durchzuführen. Auch dies kann mittels des schaltbaren Widerstandes erfolgen oder durch eine Umladungsschaltung, mittels derer Strom der Batteriezelle entnommen und wieder zurückgespeist wird. Dabei kann vorgesehen sein, dass die Heizfunktion dezentral in der Batteriezelle aufgrund der Werte des Sensors zur Erfassung der Batteriezellentemperatur erfolgt, oder aber aufgrund eines Steuerbefehls eines Batteriemodulsteuergeräts.In one embodiment, the battery cell is designed to carry out targeted heating of the battery cell. This can also be done by means of the switchable resistor or by means of a recharging circuit, by means of which current is drawn from the battery cell and fed back again. It can be provided that the heating function takes place decentrally in the battery cell on the basis of the values from the sensor for detecting the battery cell temperature, or else on the basis of a control command from a battery module control device.
Entsprechend ist das Batteriemodulsteuergerät mit mindestens einer Kommunikationsschnittstelle zur Kommunikation mit Batteriezellen ausgebildet, mittels derer Daten auf Verbindungsleitungen der Batteriezellen empfangen und Daten über die Verbindungsleitungen gesendet werden können, wobei über die Verbindungsleitungen der Stromfluss zwischen den Batteriezellen erfolgt.Accordingly, the battery module control device is designed with at least one communication interface for communication with battery cells, by means of which data can be received on connecting lines of the battery cells and data can be sent via the connecting lines, the current flow between the battery cells taking place via the connecting lines.
Die Erfindung wird nachfolgend anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Die Figuren zeigen:
-
1 ein schematisches Blockschaltbild einer Batteriezelle und -
2 ein schematisches Blockschaltbild eines Batteriemoduls.
-
1 a schematic block diagram of a battery cell and -
2nd a schematic block diagram of a battery module.
In der
Die elektronische Schaltung
Soll nun die Batteriezelle
In der
BezugszeichenlisteReference symbol list
- 11
- BatteriezelleBattery cell
- 22nd
- BatteriezellengehäuseBattery cell housing
- 33rd
- BatteriegehäusedeckelBattery case cover
- 44th
- BatterieterminalBattery terminal
- 55
- BatterieterminalBattery terminal
- 66
- positive Elektrodepositive electrode
- 77
- negative Elektrodenegative electrode
- 88th
- innere Batteriezelleinner battery cell
- 99
- StrompfadRung
- 1010th
- StrompfadRung
- 1111
- elektronische Schaltungelectronic switch
- 1212
- MikrocontrollerMicrocontroller
- 1313
- Empfängerreceiver
- 1414
- SenderChannel
- 15-1815-18
- SensorenSensors
- 19-2119-21
- SchaltelementeSwitching elements
- 2222
- Widerstandresistance
- 2323
- DruckausgleichselementPressure compensation element
- 2424th
- VerbindungsleitungConnecting line
- 3030th
- BatteriemodulBattery module
- 3131
- BatteriemodulsteuergerätBattery module control unit
- 3232
- SenderChannel
- 3333
- Empfängerreceiver
- 3939
- VerbindungsleitungConnecting line
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturPatent literature cited
- WO 2014/029538 A1 [0004]WO 2014/029538 A1 [0004]
- DE 102015202566 A1 [0005]DE 102015202566 A1 [0005]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102018219739.3A DE102018219739A1 (en) | 2018-11-19 | 2018-11-19 | Battery cell, battery module control unit and battery module |
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DE102018219739.3A DE102018219739A1 (en) | 2018-11-19 | 2018-11-19 | Battery cell, battery module control unit and battery module |
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DE102018219739A1 true DE102018219739A1 (en) | 2020-05-20 |
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DE102018219739.3A Pending DE102018219739A1 (en) | 2018-11-19 | 2018-11-19 | Battery cell, battery module control unit and battery module |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022200346A1 (en) | 2022-01-14 | 2023-07-20 | Robert Bosch Gesellschaft mit beschränkter Haftung | battery cell and battery |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006020292U1 (en) * | 2006-08-16 | 2008-03-06 | Iq Power Licensing Ag | Device for battery condition monitoring |
DE102012209397A1 (en) * | 2012-06-04 | 2013-12-05 | Robert Bosch Gmbh | Lithium ion battery cell for battery management system utilized for storing electrical power for electromotor in e.g. hybrid motor car, has electrode-coil arranged within cell housing, and partially covered by pressure-sensitive film sensor |
WO2014029538A1 (en) | 2012-08-23 | 2014-02-27 | Robert Bosch Gmbh | Battery cell comprising an electronic circuit |
DE102013204312A1 (en) * | 2013-03-13 | 2014-09-18 | Robert Bosch Gmbh | Apparatus for equalizing a pressure difference between a pressure within a gas tight housing of an accumulator and a pressure in the environment of the housing |
DE102013015700A1 (en) * | 2013-09-20 | 2015-03-26 | Audi Ag | Method for producing a battery cell and battery cell |
DE102015202566A1 (en) | 2015-02-12 | 2016-08-18 | Robert Bosch Gmbh | Apparatus and method for communicating with a battery cell and battery cell, battery module, battery, battery system and vehicle |
-
2018
- 2018-11-19 DE DE102018219739.3A patent/DE102018219739A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006020292U1 (en) * | 2006-08-16 | 2008-03-06 | Iq Power Licensing Ag | Device for battery condition monitoring |
DE102012209397A1 (en) * | 2012-06-04 | 2013-12-05 | Robert Bosch Gmbh | Lithium ion battery cell for battery management system utilized for storing electrical power for electromotor in e.g. hybrid motor car, has electrode-coil arranged within cell housing, and partially covered by pressure-sensitive film sensor |
WO2014029538A1 (en) | 2012-08-23 | 2014-02-27 | Robert Bosch Gmbh | Battery cell comprising an electronic circuit |
DE102013204312A1 (en) * | 2013-03-13 | 2014-09-18 | Robert Bosch Gmbh | Apparatus for equalizing a pressure difference between a pressure within a gas tight housing of an accumulator and a pressure in the environment of the housing |
DE102013015700A1 (en) * | 2013-09-20 | 2015-03-26 | Audi Ag | Method for producing a battery cell and battery cell |
DE102015202566A1 (en) | 2015-02-12 | 2016-08-18 | Robert Bosch Gmbh | Apparatus and method for communicating with a battery cell and battery cell, battery module, battery, battery system and vehicle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022200346A1 (en) | 2022-01-14 | 2023-07-20 | Robert Bosch Gesellschaft mit beschränkter Haftung | battery cell and battery |
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