DE102010040163A1 - Energy storage device - Google Patents
Energy storage device Download PDFInfo
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- DE102010040163A1 DE102010040163A1 DE102010040163A DE102010040163A DE102010040163A1 DE 102010040163 A1 DE102010040163 A1 DE 102010040163A1 DE 102010040163 A DE102010040163 A DE 102010040163A DE 102010040163 A DE102010040163 A DE 102010040163A DE 102010040163 A1 DE102010040163 A1 DE 102010040163A1
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- Y02E60/10—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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Die Erfindung bezieht sich auf eine Energiespeicheranordnung (8) mit wenigstens zwei elektrisch in Reihe geschalteten Speichermodulen (301, ..., 30m), die jeweils eine Vielzahl von elektrisch in Reihe geschalteten kapazitiven Speicherzellen (321, ..., 32n) aufweisen, und mit einer Batteriesteuereinrichtung (40), die signaltechnisch mit jeder kapazitiven Speicherzelle (3211, ..., 32mn) verknüpft ist. Erfindungsgemäß ist jede kapazitive Speicherzelle (3211, ..., 32mn) mit einem Hochtiefsetzsteller (4411, ..., 44mn) verschaltet und sind jeder Ausgang dieser Hochtiefsetzsteller (4411, ..., 44mn) mit der Batteriesteuereinrichtung (40) signaltechnisch verknüpft. Somit erhält man eine Energiespeicheranordnung, die einen Fahrstromrichter direkt speisen kann, und die keine Symmetrierungsschaltung mehr benötigt.The invention relates to an energy storage arrangement (8) with at least two electrically connected storage modules (301, ..., 30m), each of which has a plurality of electrically connected capacitive storage cells (321, ..., 32n), and with a battery control device (40) which is linked in terms of signal technology to each capacitive memory cell (3211, ..., 32mn). According to the invention, each capacitive memory cell (3211, ..., 32mn) is connected to a step-down converter (4411, ..., 44mn) and each output of this step-down converter (4411, ..., 44mn) is signal-linked to the battery control device (40) , An energy storage arrangement is thus obtained which can feed a travel converter directly and which no longer requires a balancing circuit.
Description
Die Erfindung bezieht sich auf eine Energiespeicheranordnung gemäß Oberbegriff des Anspruchs 1.The invention relates to an energy storage arrangement according to the preamble of claim 1.
Eine derartige Energiespeicheranordnung ist beispielsweise aus der
Eine derartige Energiespeicheranordnung weist als kapazitive Speicherzellen Akkumulatorzellen, insbesondere Lithium-Ionen-Akkumulatoren auf, die jeweils nach Ladezustand eine Spannung im Bereich von 2 V bis 4 V aufweisen. Zur Bereitstellung einer vorbestimmten Spannung, beispielsweise für einen Fahrstromrichter eines batteriebetriebenen Fahrzeugs, müssen so viele Speicherzellen elektrisch in Reihe geschaltet werden, dass die verfügbare Energie und die Maximalleistung für den Fahrzeugzweck ausreichend ist. Außerdem muss die Summenspannung aus dieser Energiespeicheranordnung, auch als Batteriespannung bezeichnet, in einem Bereich liegen, der für den Fahrstromrichter, der vorwiegend als Wechselrichter betrieben wird, geeignet ist.An energy storage arrangement of this kind has, as capacitive storage cells, accumulator cells, in particular lithium-ion accumulators, which in each case have a voltage in the range of 2 V to 4 V in accordance with the state of charge. To provide a predetermined voltage, for example for a traction converter of a battery-powered vehicle, so many memory cells must be electrically connected in series that the available energy and the maximum power for the vehicle purpose is sufficient. In addition, the sum voltage from this energy storage arrangement, also referred to as battery voltage, must be in a range which is suitable for the traction converter, which is mainly operated as an inverter.
Wegen unvermeidlicher Kapazitätstoleranzen ergeben sich beim Laden der in Reihe geschalteten Speicherzellen verschiedene Spannungen der Speicherzellen einer Speicheranordnung, die im Folgenden als Speichermodul bezeichnet wird. Um die Fähigkeit der Speicherzellen eines Speichermoduls zur Energiespeicherung optimal ausnutzen zu können, muss durch Ladungsausgleich eine gleichmäßige, auch als symmetrisch bezeichnete Spannungsverteilung der Speicherzellen eines Speichermoduls eingestellt werden.Because of unavoidable capacitance tolerances, different voltages of the memory cells of a memory arrangement, which is referred to below as a memory module, result when the series-connected memory cells are being charged. In order to make optimal use of the ability of the memory cells of a memory module to store energy, a uniform voltage distribution, also referred to as symmetrical, of the memory cells of a memory module must be set by charge equalization.
Bei Anwendung in elektrischen Antrieben, wie beispielsweise bei batteriebetriebenen Fahrzeugen, zu den auch Hybridfahrzeuge gezählt werden, übersteigt die Versorgungsspannung die Spannung eines Speichermoduls. In Abhängigkeit von einer geforderten Versorgungsspannung, die wesentlich höher ist als die Spannung eines Speichermoduls, müssen mehrere Speichermodule elektrisch in Reihe geschaltet werden. Dies gilt ebenfalls für eine Hochspannungsanordnung, beispielsweise bei Straßenbahnen. Bei solchen Anwendungen ist insbesondere eine Vielzahl von Speichermodulen elektrisch in Reihe geschaltet, wobei jedes Speichermodul n elektrisch in Reihe geschaltete kapazitive Speicherzellen aufweist. In einer derartigen aus m Speichermodulen aufgebauten Energiespeicheranordnung ist neben der Symmetrierung der n kapazitiven Speicherzellen eines jeden der m Speichermodule auch eine Symmetrierung der m Speichermodule untereinander erforderlich.When used in electric drives, such as in battery-powered vehicles, which are also counted hybrid vehicles, the supply voltage exceeds the voltage of a memory module. Depending on a required supply voltage, which is substantially higher than the voltage of a memory module, several memory modules must be electrically connected in series. This also applies to a high-voltage arrangement, for example in trams. In particular, in such applications, a plurality of memory modules are electrically connected in series, each memory module having n electrically connected in series capacitive memory cells. In such an energy storage arrangement constructed from m memory modules, in addition to the balancing of the n capacitive memory cells of each of the m memory modules, it is also necessary to balance the m memory modules with one another.
Die eingangs genannte
Mittels einer Batteriesteuereinrichtung wird nicht nur die Zellenspannung sondern auch dessen Temperatur überwacht, damit ein Speichermodul bzw. eine mehrere Speichermodule aufweisende Energiespeicheranordnung sicher betrieben werden kann. Erwärmen sich die Speicherzellen eines Speichermoduls unterschiedlich, so führt dies zu unterschiedlicher Alterung der Speicherzellen eines Speichermoduls.By means of a battery control device not only the cell voltage but also its temperature is monitored, so that a memory module or a plurality of memory modules having energy storage device can be operated safely. If the memory cells of a memory module heat up differently, this leads to different aging of the memory cells of a memory module.
Da eine aus mehreren Speichermodulen aufgebaute Energiespeicheranordnung bei einer Verwendung in einem batteriegespeisten Fahrzeug am kostspieligsten ist, wird die Betriebsspannung des Antriebssystems eines batteriegespeisten Fahrzeugs von der geforderten Energie und Leistung der Energiespeicheranordnung bestimmt, wobei dessen Spannung nicht passend für einen Fahrstromrichter dieses batteriegespeisten Fahrzeugs ist. Wegen dieser Spannungsunterschiede kann eine solche Energiespeicheranordnung nicht ohne Potentialtrennung zu einem speisenden Netz geladen werden.Since a built-up of several memory modules energy storage device is most expensive for use in a battery-powered vehicle, the operating voltage of the drive system of a battery-powered vehicle is determined by the required energy and power of the energy storage device, the voltage is not suitable for a traction converter of this battery-powered vehicle. Because of these voltage differences, such an energy storage device can not be charged without potential isolation to a feeding network.
Um die Spannung einer Energiespeicheranordnung an eine Eingangsgleichspannung eines Fahrstromrichters anzugleichen, wird gemäß der
Der Erfindung liegt nun die Aufgabe zugrunde, eine Energiespeicheranordnung anzugeben, die ohne Zwischenschaltung eines bidirektional betriebenen Spannungsstellers einem Fahrstromrichter eines batteriebetriebenen Fahrzeugs direkt speien kann.The invention is an object of the invention to provide an energy storage device that can directly spew a traction converter of a battery-powered vehicle without the interposition of a bidirectionally operated voltage regulator.
Diese Aufgabe wird im Zusammenhang mit den Merkmalen des Oberbegriffs des Anspruchs 1 mit dessen kennzeichnenden Merkmalen erfindungsgemäß gelöst.This object is achieved in connection with the features of the preamble of claim 1 with its characterizing features according to the invention.
Dadurch, dass jeder kapazitiven Zelle eines jeden Speichermoduls einer Energiespeicheranordnung ein Hochtiefsetzsteller zugeordnet ist, kann einerseits auf einen zentral angeordneten Hochtiefsetzsteller zur Anpassung einer Spannung der Energiespeicheranordnung an eine Eingangs-Gleichspannung eines Fahrstromrichters und andererseits auf eine der bekannten Symmetrierungsschaltungen einer Energiespeicheranordnung verzichtet werden. Dadurch, dass jede kapazitive Speicherzelle einer Energiespeicheranordnung mit einem Hochtiefsetzsteller ausgestattet ist, arbeiten diese Hochtiefsetzsteller bei kleineren Spannungen, beispielsweise kleiner 20 V. Dadurch können als Stellerschalter jeweils Kleinsignal-MOSFETs verwendet werden. Diese Kleinsignal-MOSFETs können mit Arbeitsfrequenzen bis in den MHz-Bereich getaktet werden, wodurch passive Komponenten des Hochtiefsetzstellers, beispielsweise Stellerdrossel und Stellerkondensator baulich sehr klein werden. Dadurch kann jeder Hochtiefsetzsteller einer Speicherzelle eines Speichermoduls in diesem Speichermodul integriert werden. Diese zellenbasierten Hochtiefsetzsteller jeweils eines Speichermoduls einer Energiespeicheranordnung sind gewichtsmäßig und volumenmäßig kleiner als eine Energiespeicheranordnung mit einem zentral angeordneten Hochtiefsetzstellter gemäß der
Da jede Speicherzelle einer Energiespeicheranordnung nach der Erfindung mit einem eigenen Hochtiefsetzsteller versehen ist, der Betriebsstrom führen kann, kann nun die Batteriesteuereinrichtung in allen Zuständen einen optimalen Ladungsausgleich erreicht werden, auch beim Fahren und bei Schnellladung.Since each memory cell of an energy storage device according to the invention is provided with its own vertical step-down converter, which can carry operating current, the battery control device can now be optimally balanced in all states, even when driving and during fast charging.
Durch die erfindungsgemäße Ausführung einer Energiespeicheranordnung lässt sich alle Speicherzelle dieser Energiespeicheranordnung trotz großer Toleranzen ohne Verwendung einer bekannten Symmetrierungsschaltung voll laden und entladen. Dadurch steigt die verfügbare Kapazität dieser Energiespeicheranordnung. Eine strenge Vorauswahl von kapazitiven Speicherzellen bei der Herstellung einer Energiespeicheranordnung ist nicht mehr von Nöten. Außerdem altern dann die kapazitiven Speicherzellen einer erfindungsgemäßen Energiespeicheranordnung nicht mehr unterschiedlich, wodurch die Lebensdauer einer derartigen Energiespeicheranordnung sich verlängert.Due to the inventive design of an energy storage arrangement, all the memory cell of this energy storage device can be fully charged and discharged despite large tolerances without the use of a known balancing circuit. This increases the available capacity of this energy storage device. A strict pre-selection of capacitive memory cells in the production of an energy storage device is no longer necessary. In addition, the capacitive storage cells of an energy storage arrangement according to the invention then no longer age differently, which prolongs the life of such an energy storage arrangement.
Des Weiteren kann eine vorhandene Batteriesteuereinrichtung einer Energiespeicheranordnung nach der Erfindung jede seiner kapazitiven Speicherzellen so steuern, dass alle Speicherzellen trotz unterschiedlichem Einbauplatz die gleiche Temperatur aufweist. Dadurch wird eine unterschiedliche Alterung der Speicherzellen einer Energiespeicheranordnung weiter vermindert.Furthermore, an existing battery control device of an energy storage device according to the invention can control each of its capacitive memory cells such that all the memory cells have the same temperature despite different mounting locations. As a result, a different aging of the memory cells of an energy storage arrangement is further reduced.
Bei einer vorteilhaften Ausführungsform einer Energiespeicheranordnung nach der Erfindung weist jeder Hochtiefsetzsteller eine Trennvorrichtung auf. Dadurch kann eine defekte Speicherzelle aus dem Verbund der Speicherzellen mehrerer Speichermodule derart ausgeschlossen werden, dass die Energiespeicheranordnung mit leicht verminderter Kapazität redundant weiterbetrieben werden kann. Eine derartige defekte Speicherzelle kann dann bei einer nächsten Wartung ausgetauscht werden. Durch den Ausfall einer Speicherzelle, die erfindungsgemäß aus dem Verbund der Speicherzellen einer Energiespeicheranordnung ausgeschlossen wird, kommt es nicht zu einem Ausfall eines batteriebetriebenen Fahrzeugs, dass aus dieser Energiespeicheranordnung gespeist wird.In an advantageous embodiment of an energy storage arrangement according to the invention, each Hochtiefsetzsteller on a separation device. As a result, a defective memory cell can be excluded from the combination of the memory cells of a plurality of memory modules such that the energy storage arrangement can continue to be operated redundantly with a slightly reduced capacity. Such a defective memory cell may then be replaced at a next service. Due to the failure of a memory cell, which is excluded according to the invention from the composite of the memory cells of an energy storage device, there is no failure of a battery-powered vehicle that is powered from this energy storage device.
Bei einer weiteren vorteilhaften Ausführungsform der Energiespeicheranordnung nach der Erfindung weist jeder Hochtiefsetzsteller mehrere Teil-Hochtiefsetzsteller auf, die elektrisch parallel geschaltet sind. Dadurch teilt sich der Zellenstrom entsprechend der Anzahl parallel geschalteter Teil-Hochtiefsetzsteller auf. D. h., jeder Teil-Hochtiefsetzsteller führt nur noch einen Teilstrom des Zellenstromes.In a further advantageous embodiment of the energy storage arrangement according to the invention, each Hochtiefsetzsteller on a plurality of sub-Hochtiefsetzsteller, which are electrically connected in parallel. As a result, the cell current is divided according to the number of parallel-connected partial high-set converter. In other words, each sub-step-low converter carries only a partial current of the cell current.
Zur weiteren Erläuterung der Erfindung wird auf die Zeichnung Bezug genommen, in der mehrere Ausführungsformen der erfindungsgemäßen Energiespeicheranordnung schematisch veranschaulicht sind.To further explain the invention, reference is made to the drawing, in which several embodiments of the energy storage device according to the invention are illustrated schematically.
In der
Als abschaltbarer Halbleiterschalter T7 und T8 sind Insulated-Gate-Bipolar-Transistoren (IGBT) vorgesehen, denen jeweils eine Diode D7 und D8 antiparallel geschaltet sind, die ebenfalls als Freilaufdiode bezeichnet werden. Ein Verbindungspunkt
Der Aufbau der Batterie
In der
In der
Da jede kapazitive Speicherzelle
Somit lassen sich alle kapazitiven Speicherzellen
Durch den direkten Zugriff der Batteriesteuereinrichtung
In der
Außerdem weist jede vorteilhafte Ausführungsform eines zellenbasierten Hochtiefsetzstellers
Durch die erfindungsgemäße Ausgestaltung einer Energiespeicheranordnung
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 the documents listed by the applicant has been generated automatically and is included solely 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 PatentliteraturCited patent literature
- US 7755331 B2 [0002] US 7755331 B2 [0002]
- DE 102008021090 A1 [0002, 0006] DE 102008021090 A1 [0002, 0006]
- EP 1753634 B1 [0009, 0012] EP 1753634 B1 [0009, 0012]
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010040163A DE102010040163A1 (en) | 2010-09-02 | 2010-09-02 | Energy storage device |
PCT/EP2011/058173 WO2012028344A1 (en) | 2010-09-02 | 2011-05-19 | Energy storage arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102010040163A DE102010040163A1 (en) | 2010-09-02 | 2010-09-02 | Energy storage device |
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DE102010040163A1 true DE102010040163A1 (en) | 2011-12-15 |
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Family Applications (1)
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DE102010040163A Withdrawn DE102010040163A1 (en) | 2010-09-02 | 2010-09-02 | Energy storage device |
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WO (1) | WO2012028344A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013104426A1 (en) * | 2013-04-30 | 2014-10-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Device and method for power supply |
DE102014200336A1 (en) * | 2014-01-10 | 2015-07-16 | Robert Bosch Gmbh | Electrochemical storage composite |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050194937A1 (en) * | 2004-03-08 | 2005-09-08 | Electrovaya Inc. | Battery controller and method for controlling a battery |
DE102008021090A1 (en) | 2007-05-01 | 2008-11-13 | Infineon Technologies Ag | Circuit arrangement and method for exchanging electrical charge between accumulators of an accumulator arrangement |
EP1753634B1 (en) | 2004-05-26 | 2010-05-19 | Toyota Jidosha Kabushiki Kaisha | Motor drive apparatus |
US7755331B2 (en) | 2006-10-19 | 2010-07-13 | Hitachi, Ltd. | Storage battery managing apparatus and vehicle controlling apparatus providing the same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7193392B2 (en) * | 2002-11-25 | 2007-03-20 | Tiax Llc | System and method for determining and balancing state of charge among series connected electrical energy storage units |
WO2010093186A2 (en) * | 2009-02-15 | 2010-08-19 | Powertron Engineering Co.,Ltd | Apparatus for charging battery cells in balance and control method thereof |
-
2010
- 2010-09-02 DE DE102010040163A patent/DE102010040163A1/en not_active Withdrawn
-
2011
- 2011-05-19 WO PCT/EP2011/058173 patent/WO2012028344A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050194937A1 (en) * | 2004-03-08 | 2005-09-08 | Electrovaya Inc. | Battery controller and method for controlling a battery |
EP1753634B1 (en) | 2004-05-26 | 2010-05-19 | Toyota Jidosha Kabushiki Kaisha | Motor drive apparatus |
US7755331B2 (en) | 2006-10-19 | 2010-07-13 | Hitachi, Ltd. | Storage battery managing apparatus and vehicle controlling apparatus providing the same |
DE102008021090A1 (en) | 2007-05-01 | 2008-11-13 | Infineon Technologies Ag | Circuit arrangement and method for exchanging electrical charge between accumulators of an accumulator arrangement |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013104426A1 (en) * | 2013-04-30 | 2014-10-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Device and method for power supply |
DE102014200336A1 (en) * | 2014-01-10 | 2015-07-16 | Robert Bosch Gmbh | Electrochemical storage composite |
US10232728B2 (en) | 2014-01-10 | 2019-03-19 | Robert Bosch Gmbh | Electrochemical composite storage system |
Also Published As
Publication number | Publication date |
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WO2012028344A1 (en) | 2012-03-08 |
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