WO2012152586A2 - Batterie comprenant au moins une suite de modules - Google Patents

Batterie comprenant au moins une suite de modules Download PDF

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Publication number
WO2012152586A2
WO2012152586A2 PCT/EP2012/057571 EP2012057571W WO2012152586A2 WO 2012152586 A2 WO2012152586 A2 WO 2012152586A2 EP 2012057571 W EP2012057571 W EP 2012057571W WO 2012152586 A2 WO2012152586 A2 WO 2012152586A2
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery module
terminal
module string
coupling unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2012/057571
Other languages
German (de)
English (en)
Other versions
WO2012152586A3 (fr
Inventor
Stephan Rees
Holger Fink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch Battery Systems GmbH
SB LiMotive Co Ltd
Original Assignee
SB LiMotive Germany GmbH
SB LiMotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SB LiMotive Germany GmbH, SB LiMotive Co Ltd filed Critical SB LiMotive Germany GmbH
Priority to EP12718948.8A priority Critical patent/EP2705589A2/fr
Publication of WO2012152586A2 publication Critical patent/WO2012152586A2/fr
Publication of WO2012152586A3 publication Critical patent/WO2012152586A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • 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
    • 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
    • B60L58/21—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 having the same nominal voltage
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0445—Multimode batteries, e.g. containing auxiliary cells or electrodes switchable in parallel or series connections
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • 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
    • 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
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/487—Neutral point clamped inverters
    • 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
    • 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

Definitions

  • the present invention relates to a battery having at least one
  • Battery module string a drive system for an electric drive motor with the battery according to the invention and a motor vehicle with the
  • battery cells are connected in series. Since the power provided by such a battery must flow through all the battery cells and a battery cell can only conduct a limited current, battery cells are often additionally connected in parallel in order to increase the maximum current. This can be done either by providing multiple cell wraps within a battery cell housing or by externally interconnecting battery cells. It is, however,
  • FIG. 1 The block diagram of a conventional electric drive system, as used for example in electric and hybrid vehicles or in stationary applications such as in the rotor blade adjustment of wind turbines is shown in Figure 1.
  • a battery 10 is connected to a DC voltage connected, which by a
  • Capacitor 1 1 is buffered.
  • a pulse inverter 12 Connected to the DC voltage intermediate circuit is a pulse inverter 12, which is connected via two switchable semiconductor valves and two diodes at three outputs against each other
  • the capacitance of the capacitor 1 1 must be large enough to stabilize the voltage in the DC link for a period of time in which one of the switchable semiconductor valves is turned on. In a practical application such as an electric vehicle results in a high capacity in the range of mF. Because of the usually quite high voltage of the DC intermediate circuit such a large capacity can be realized only at high cost and with high space requirements.
  • FIG. 2 shows the battery 10 of FIG. 1 in a more detailed block diagram.
  • a large number of battery cells are connected in series as well as optionally additionally in parallel, in order to achieve a high level of power for a particular application
  • a charging and disconnecting device 16 is connected between the positive pole of the battery cells and a positive battery terminal 14.
  • a separating device 17 can additionally be connected between the negative pole of the battery cells and a negative battery terminal 15.
  • the separating and charging device 16 and the separating device 17 each include a contactor 18 or 19, which are provided, the battery cells of the battery terminals 14, 15th
  • a charging contactor 20 with a charging resistor 20 connected in series with the charging contactor 20 is provided in the charging and disconnecting device 16.
  • the charging resistor 21 limits a charging current for the capacitor 1 1 when the battery is connected to the DC link.
  • the contactor 18 is initially left open and only the charging contactor 20 is closed.
  • the contactor 18 can be closed and
  • the charging contactor 20 are opened.
  • the contactors 18, 19 and the charging contactor 20 increase the cost of a battery 10 is not insignificant because high demands are placed on their reliability and on the currents to be supplied by them.
  • a battery having at least one battery module string is introduced, in which at least one battery module string comprises a plurality of series-connected battery modules.
  • the battery is preferably one
  • Each battery module comprises at least one battery cell and a coupling unit.
  • the at least one battery cell is connected between a first input and a second input of the coupling unit.
  • the coupling unit is configured, in response to a first control signal, to switch the at least one battery cell between a first terminal of the battery module and a second terminal of the battery module and to connect the first terminal to the second terminal in response to a second control signal.
  • a center tap is arranged, with which a potential at a connection between two battery modules can be tapped.
  • the two battery modules are adjacent in the series circuit.
  • the center tap may be in a middle of the plurality of series connected ones
  • center taps may be arranged on the battery module string, with which a potential can be tapped off at a connection between in each case two battery modules.
  • each of the center taps is a pair of in the Serial circuit associated with adjacent battery modules. It is preferred that the center taps subdivide the battery module string such that each subdivision of the battery module string comprises an equal number of battery modules.
  • the battery may include a control unit configured to apply the first control signal to a first variable number of battery modules of the at least one
  • the coupling unit may have an output and be configured to connect to the first control signal either the first input or the second input to the output.
  • the output is connected to the first terminal or to the second terminal of the battery module.
  • the drive system includes a battery with a
  • Battery module string with multiple center taps and a multilevel inverter The inputs of the multilevel inverter are connected to the center taps.
  • Another aspect of the invention relates to a motor vehicle with an electric drive motor for driving the motor vehicle.
  • the electric drive motor is connected to the drive system according to the invention.
  • Figure 2 is a block diagram of a battery according to the prior art
  • Figure 3 is a coupling unit, which in a battery module string in the
  • FIG. 4 shows a first embodiment of the coupling unit
  • FIG. 5 shows a second embodiment of the coupling unit
  • Figure 6 shows the second embodiment of the coupling unit in a simple
  • FIGS. 7 and 8 show two arrangements of the coupling unit in a battery module
  • FIG. 9 shows the coupling unit shown in FIG. 6 in the arrangement shown in FIG. 7,
  • FIG. 10 shows a first embodiment of the battery according to the invention
  • Figure 1 a drive system for an electric drive motor with the battery according to the invention according to the first embodiment
  • Figure 12 shows a second embodiment of the battery according to the invention.
  • FIG. 3 shows a coupling unit 30 which can be used in a battery module string in the battery according to the invention.
  • the coupling unit 30 has two inputs 31 and 32 and an output 33 and is adapted to connect one of the inputs 31 or 32 to the output 33 and to decouple the other. In certain embodiments of the coupling unit, this can also be formed, both inputs 31, 32 from the output 33rd
  • FIG. 4 shows a first embodiment of the coupling unit 30, which has a changeover switch 34, which in principle can connect only one of the two inputs 31, 32 to the output 33, while the respective other input 31, 32 is disconnected from the output 33.
  • the changeover switch 34 can be realized particularly simply as an electromechanical switch.
  • FIG. 5 shows a second embodiment of the coupling unit 30, in which a first and a second switch 35 or 36 are provided. Each of the switches is connected between one of the inputs 31 and 32 and the output 33. In contrast to the embodiment of Figure 4, this embodiment has the advantage that both inputs 31, 32 from
  • Output 33 can be disconnected, so that the output 33 is high impedance.
  • the switches 35, 36 can be easily used as semiconductor switches such as metal oxide semiconductor field effect transistor (MOSFET) switches or
  • Insulated Gate Bipolar Transistor (IGBT) switch can be realized.
  • Semiconductor switches have the advantage of a low price and a high switching speed, so that the coupling unit 30 can respond to a control signal or a change of the control signal within a short time and high switching rates can be achieved.
  • FIG. 6 shows the second embodiment of the coupling unit in a simple semiconductor circuit, in which each of the switches 35, 36 consists in each case of a semiconductor valve which can be switched on and off and a diode connected in parallel thereto.
  • FIGS. 7 and 8 show two arrangements of the coupling unit 30 in one
  • Battery module 40 A plurality of battery cells 41 is connected in series between the inputs of a coupling unit 30.
  • the invention is not limited to such a series connection of battery cells, it can also be provided only a single battery cell or a parallel connection or mixed-serial-parallel circuit of battery cells.
  • the output of the coupling unit 30 is connected to a first terminal 42 and the negative pole of the battery cells 41 to a second terminal 43.
  • FIG. 9 shows the coupling unit 30 shown in FIG. 6 in the arrangement shown in FIG. A control and diagnosis of the coupling units 30 via a signal line 44, which is connected to a control unit, not shown.
  • FIG. 10 shows a battery 10 according to a first embodiment of the invention, which comprises a battery module string 70.
  • the battery module string 70 consists of a plurality of series-connected battery modules 40, each having a
  • Coupling unit 30 include and as shown in Figure 7 or 8 are constructed.
  • the first terminal 42 of a battery module 40 is connected to the second terminal 43 of an adjacent battery module 40.
  • the battery module string 70 illustrated in FIG. 10 comprises six battery modules 40, which are connected between a negative pole 71 and a positive pole 72 of FIG
  • Battery module string 70 are connected. Arranged on the battery module string 70 are two center taps 73, with which a potential can be tapped off at a connection between in each case two battery modules 40 adjacent in the series connection. This means that each of the two center taps 73 is respectively connected to a first terminal 42 of a battery module 40 and to the second terminal 43 of an adjacent battery module 40.
  • the negative pole 71, the positive pole 72 and the center taps 73 of the battery module strand 70 together represent the taps of the battery 10. Because the battery modules 40 arranged between the taps each comprise coupling units 30, the output voltages which can be set at the taps are adjustable in stages.
  • the battery 10 includes a control unit, not shown, which is adapted to output to a variable number of battery modules 40, a first control signal through which the coupling units 30 of the thus controlled
  • Battery modules 40, the battery cell (or the battery cells) 41 between the first terminal 42 and the second terminal 43 of the respective battery module 40 switch.
  • the control unit outputs to the remaining battery modules 40 a second control signal, by which the coupling units 30 of these remaining battery modules 40 connect the first terminal 42 and the second terminal 43 of the respective battery module 40, whereby the battery cells 41 of this battery module 40 are bridged.
  • the first control signal is output to the two battery modules arranged between the two center taps 73 of FIG. 10
  • the voltage between the two center taps 73 assumes the maximum adjustable value.
  • the second control signal is output to the two battery modules 40, then a voltage 0 V is applied between the two center taps 73. If the first control signal is output to one of the two battery modules 40 and the second control signal is output to the other battery module, then there is between the two
  • Center taps 73 a single module voltage.
  • the voltage between two taps 71, 72, 73 of the battery 10 can thus be adjusted in stages between 0 volts and the maximum value.
  • Battery modules 40 are thus of the number of battery cells 41 in the
  • the total output voltage between the negative pole 71 and the positive pole 72 of the battery module string 70 results from the summation of all partial voltages between adjacent taps of the battery module string 71, 72, 73.
  • the center taps 73 of the battery module string 70 shown in FIG. 10 subdivide it such that each subdivision of the battery module string 70 comprises two battery modules 40.
  • Figure 1 1 shows a drive system for an electric drive motor 13 with a battery 10 according to the first embodiment of the invention and a
  • the multilevel inverter 80 has a plurality of inputs 81 and outputs 82 and is configured to output one of the potentials at each of its outputs 82, which is applied to one of its inputs 81.
  • the outputs 82 of the multilevel inverter 80 are connected to inputs of the electrical Drive motor 13 connected. Since most available electric motors are designed for operation with three phase signals, the multilevel inverter 80 preferably has exactly three outputs 82.
  • the inputs 81 of the multilevel inverter 80 are connected both to the center taps 73 and the poles 71, 72 of the battery 10 connected.
  • Control of the battery modules 40 are adjustable in stages, there are several possible combinations of the control of the battery 10 and the multilevel inverter 80, which generate an equal phase signal at the outputs 82 of the multilevel inverter 80, for example, an approximately sinusoidal AC voltage.
  • FIG. 12 shows a second embodiment of the battery according to the invention in which only one center tap 73 is arranged in a center of four battery modules 40 connected in series.

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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)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne une batterie (10) comprenant au moins une suite de modules (70), cette au moins une suite de modules (70) comportant une pluralité de modules de batterie (40) montés en série. Chaque module de batterie (40) comprend au moins un élément de batterie (41) et une unité de couplage (30). Le au moins un élément de batterie (41) est couplé entre une première entrée (31) et une deuxième entrée (32) de l'unité de couplage (30). L'unité de couplage (30) est conçue pour, en réponse à un premier signal de commande, coupler le au moins un élément de batterie (41) entre une première borne (42) du module de batterie (40) et une deuxième borne (43) du module de batterie (40) et, en réponse à un deuxième signal de commande, relier la première borne (42) et la deuxième borne (43). La suite de modules (70) de batterie comporte une prise médiane (73) qui permet de capter un potentiel sur une liaison reliant deux modules de batterie (40).
PCT/EP2012/057571 2011-05-06 2012-04-25 Batterie comprenant au moins une suite de modules Ceased WO2012152586A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12718948.8A EP2705589A2 (fr) 2011-05-06 2012-04-25 Batterie comprenant au moins une suite de modules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011075421A DE102011075421A1 (de) 2011-05-06 2011-05-06 Batterie mit wenigstens einem Batteriemodulstrang
DE102011075421.0 2011-05-06

Publications (2)

Publication Number Publication Date
WO2012152586A2 true WO2012152586A2 (fr) 2012-11-15
WO2012152586A3 WO2012152586A3 (fr) 2013-04-11

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Country Status (3)

Country Link
EP (1) EP2705589A2 (fr)
DE (1) DE102011075421A1 (fr)
WO (1) WO2012152586A2 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056900A3 (fr) * 2011-10-18 2014-03-06 Robert Bosch Gmbh Unité convertisseur pour une machine asynchrone
US9431932B2 (en) 2011-10-18 2016-08-30 Robert Bosch Gmbh Converter unit for an asynchronous machine

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DE102011075421A1 (de) 2012-11-08
WO2012152586A3 (fr) 2013-04-11

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