EP3408888A1 - Procédé et dispositif pour charger une batterie - Google Patents

Procédé et dispositif pour charger une batterie

Info

Publication number
EP3408888A1
EP3408888A1 EP17708746.7A EP17708746A EP3408888A1 EP 3408888 A1 EP3408888 A1 EP 3408888A1 EP 17708746 A EP17708746 A EP 17708746A EP 3408888 A1 EP3408888 A1 EP 3408888A1
Authority
EP
European Patent Office
Prior art keywords
battery
charging
charging current
voltage
determined
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.)
Withdrawn
Application number
EP17708746.7A
Other languages
German (de)
English (en)
Inventor
Andre Rompe
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.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility GmbH
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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP3408888A1 publication Critical patent/EP3408888A1/fr
Withdrawn legal-status Critical Current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
    • H01M10/44—Methods for charging or discharging
    • H01M10/443—Methods for charging or discharging in response to temperature
    • 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]
    • 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
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of 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
    • H01M10/44—Methods for charging or discharging
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • 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
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • 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
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • 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
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the invention relates to a method for charging a rechargeable battery. Furthermore, the invention relates to a device for charging a rechargeable battery, with a control device which is designed to control the charging current during operation of the pre ⁇ direction.
  • the battery of an electrically driven NEN line bus according to the CCCV method to be charged, so it may occur that the battery of the line bus at a loading station at which the bus stops, about a holding Stel ⁇ le, is not recharged completely. Is not completely added to the next charging station while driving between the laser destationen consumed charge of the battery, the battery level decreases always know ⁇ ter. The decrease in the state of charge accelerates, however, because of the proportionally extending charging time with decreasing state of charge, so that the battery continues to discharge and at the planned charging stops can be charged less and less ⁇ . Consequently, the range of the bus decreases.
  • the invention is therefore based on the object to provide a method and apparatus for charging a rechargeable battery, with which the battery can be recharged faster regardless of the state of charge.
  • the object is achieved in that in the method the battery is charged with a depending from La ⁇ deschreib the battery charging current.
  • the control device is designed to carry out the method according to the invention for charging the battery.
  • the charging current is selected or specified depending on the state of charge, the charging current can be increased at a low state of charge, so that the battery can be charged with a higher charging power compared to the CCCV method.
  • the charging current can be controlled so that the product of the charging current and the open circuit voltage of the battery is substantially constant.
  • the product of the charging current and the no-load voltage is the charging power. Consequently, the battery can be charged regardless of its state of charge with a high, possibly constant or even the maximum allowable charging power, which reduces the time required to charge the battery.
  • the charging current can be controlled so that the product of the charging current and the idling voltage ⁇ at the beginning of a charging cycle is greater than later or at the end of the charging cycle.
  • the La ⁇ detician can at the beginning of the charge cycle at least twice and Example up to three times or up to five times as large as the charging power at the end of the charging cycle.
  • the maximum permissible charging power depends on the type (design & chemistry) of the battery.
  • the internal resistance of the battery causes a power loss during the charging process, which leads to a warming.
  • the battery temperature must be kept below a limit, so as not to shorten the service life.
  • the determination of the variable across the charging internal resistance can be done for example on the determination of the ratio ⁇ ses between (charging voltage-no-load voltage) and the charging current.
  • the open circuit voltage can be determined repeatedly during the charging process.
  • the state of charge changes during the La ⁇ devorgangs, then that is also the open circuit voltage changes.
  • the charging current can thus be tracked easily, so that at any time essentially the desired charging power, in ⁇ example, the maximum allowable charging power of the battery is used.
  • the no-load voltage during the charging process can be determined more frequently than every ten minutes, for example every five minutes, every two minutes or once per minute. Even if the battery to be charged is a particularly fast chargeable battery, the idle ⁇ voltage changes during the charging process is slow and beispiels-, within the specified intervals only slightly so ⁇ that the charging voltage set accurately enough by tracking the charging current and, for example, can be kept substantially constant. In order to easily measure the open circuit voltage of the battery, the flow of the charging current to the battery during the charging process can be interrupted to determine the open circuit voltage. Due to the higher compared to the CCCV method possible charging power can still be charged faster with this method, the battery.
  • the flow of charging current may be less than one second, less than half a second, and for example
  • the duration of the charging current interruption is less than 5%, less than 2%, less than 1%, less than 0.5% or even less than 0.01% of the duration of the continuous section.
  • the maximum charging power During the charging process may be determined based on a self- ⁇ company of the battery.
  • the maximum possible charging power is the charging power with which the battery can be charged without further ado and, for example, without damage or reduction of the service life.
  • the charge current can be reduced if the property is outside its allowable operating interval, whereby the charging power is easily controllable.
  • the temperature of the battery can be determined ⁇ the. If the temperature rises above a limit value, then the charging power, that is to say in particular the charging current, can be reduced.
  • the temperature on the outside of the battery can be measured.
  • the temperature within the battery can and preferably measured centrally in the battery.
  • a temperature sensor may be provided, which is arranged for example between two cells of the battery centrally in ⁇ inside the battery.
  • the measurement of the battery temperature within the battery is therefore structurally complex.
  • the temperature is therefore off-center and measured and, for example, on the outside of the battery, the battery temperature can be determined mathematically within the battery based on the measured temperature and ge ⁇ known physical Eigenschaf- th of the battery.
  • the use of the temperature of the battery has the disadvantage that for temperature measurement, a temperature sensor is provided.
  • a temperature sensor In order to determine a temperature sensor the maximum possible charging performance even oh- ne can be determined as a property of the internal resistance of the battery during the charging ⁇ operation is completed.
  • the open-circuit voltage determined during the charging process can be subtracted from the charging voltage and the result divided by the charging current. If the no-load voltage, the charging voltage and the charging current are monitored during the charging process, then no further measured data need to be collected.
  • the device may include a voltmeter for measuring the open circuit voltage of the battery to be charged.
  • the voltmeter can simply be connected in parallel to the charging contacts of the device.
  • the voltage meter can be a voltmeter.
  • the charging voltage can be determined, so that the device can be simple and compact.
  • the device may have an internal resistance determining unit, the signal over carrying the voltmeter and ver ⁇ connected with the control unit. From the voltmeter, representative data can be transmitted to the internal resistance determination unit for the charging voltage and / or the no-load voltage. From the control unit, data representative of the charge current can be sent to the
  • Internal resistance determination unit to be transmitted.
  • the internal resistance determining unit which may be an integrated circuit such as a microchip, the internal resistance is determined.
  • the determined internal resistance may be output from the internal resistance determining unit to the controller.
  • the controller may be configured connectable to a battery temperature sensor.
  • the profile of the battery voltage can be determined according to the cut-off the charging current and, for example, measured dazzlingu ⁇ ell.
  • the open-circuit voltage can be estimated or determined by means of a mathematical method. For example, the battery voltage can drop exponentially after switching off the charging current. Based on the selective readings the open circuit voltage, determined as by a curve fit or suffi ⁇ accordingly can be accurately estimated without the battery voltage must completely fall on the open circuit voltage.
  • the control unit may have a charging current limiter which is connected to the internal resistance determination unit in a signal-receiving manner. Based on the specific internal resistance of the charging current limiter limit the charging current to prevent excessive charging power.
  • Figure 1 is a schematic representation of anwhosbei ⁇ game of the inventive method as a flowchart
  • Figure 2 is a schematic representation of anwhosbei ⁇ game of the device according to the invention.
  • FIG. 1 schematically shows the method 1 according to the invention for charging a rechargeable battery as a flow chart.
  • the method 1 starts with the method step 2, in which, for example, the battery is connected to a charging device.
  • Method step 2 may be followed by method step 3, in which the open-circuit voltage of a battery to be charged is measured, wherein the flow of the charging current may be interrupted during the measurement of the open-circuit voltage.
  • Method step 4 may be followed by method step 4, in which the charging current is selected so that the battery to be charged is charged with a predetermined charging power.
  • step 3 No-load voltage is measured again.
  • idle voltage can now be selected in the now performed process step 4, the charging current and With this newly selected charging current, the battery can be further charged in step 5 for the given charging time. If the desired state of charge has been reached, method step 6 can be followed by method step 7, in which the method ends.
  • step 3 of the first method step Ver ⁇ follow 8 in which a property is the Batte ⁇ RIE, for example, their temperature or internal resistance is determined.
  • process step 4 may then again follow, in which, taking into account the no-load voltage and the specific characteristic of the battery, the charging current is selected.
  • Figure 2 shows the device 10 according to the invention for charging a rechargeable battery schematically.
  • the device 10 comprises two charging contacts 11, 12 for connecting a Denden to la ⁇ battery.
  • the device 10 has a control unit 13 with which charging parameters, for example charging current and / or charging voltage, can be controlled.
  • the device 10 is provided with aistsmes ⁇ ser 14, which may be connected in parallel with the charging contacts 11, 12 to measure the voltage of a connected to the charging contacts 11, 12 battery.
  • the device 10 may have an internal resistance determination unit 15.
  • the mecanical sbestim- mung unit 15 may be connected in signal communication with both the tensioning ⁇ voltmeter 14 as well as with the control device. 13 Based on the charging voltage and the charging current and the
  • Open circuit voltage can determine the internal resistance determining unit 15 as a property of the battery to be charged whose internal resistance.
  • the internal resistance determination unit 15 can receive data representative of the voltmeter 14 at least for the no-load voltage or also for the charging voltage. Further, the internal resistance determining unit 15 may receive data representative of the charging current controller 13. Based on the received data, the internal resistance Status determination unit 15 determine the internal resistance and, for example, calculate or drive through a mathematical Ver ⁇ , for example, an algorithm appreciate determine rela ⁇ hung instance.
  • the internal resistance determination unit 15 can output representative data for the specific internal resistance to the control unit 13. In the control unit 13, the internal resistance can be used to specify the charging current.
  • the battery temperature may be measured for example with a temperature ⁇ tursensor. In order to determine the internal resistance of the battery, the difference between values for the open-circuit voltage and the charging voltage can be divided by the charging current with the internal resistance determination unit 15.
  • the values of the load and the charging voltage and the charging current ⁇ may be represented by digital data or analog signals.
  • the device 10 may be a control device for a vehicle, in particular an electrically driven vehicle, with a drive energy storing, rechargeable battery.
  • the vehicle is for example a bus.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un procédé (1) et un dispositif pour charger une batterie rechargeable. Selon l'invention, pour que la batterie puisse être rechargée rapidement, y compris lorsque l'état de charge est faible, la batterie est chargée (4) avec un courant de charge dépendant de l'état de charge de la batterie.
EP17708746.7A 2016-03-31 2017-03-02 Procédé et dispositif pour charger une batterie Withdrawn EP3408888A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016205374.4A DE102016205374A1 (de) 2016-03-31 2016-03-31 Verfahren und Vorrichtung zum Laden einer Batterie
PCT/EP2017/054905 WO2017167539A1 (fr) 2016-03-31 2017-03-02 Procédé et dispositif pour charger une batterie

Publications (1)

Publication Number Publication Date
EP3408888A1 true EP3408888A1 (fr) 2018-12-05

Family

ID=58228119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17708746.7A Withdrawn EP3408888A1 (fr) 2016-03-31 2017-03-02 Procédé et dispositif pour charger une batterie

Country Status (7)

Country Link
US (1) US20190123401A1 (fr)
EP (1) EP3408888A1 (fr)
CN (1) CN108886177A (fr)
CA (1) CA3019395A1 (fr)
DE (1) DE102016205374A1 (fr)
RU (1) RU2699247C1 (fr)
WO (1) WO2017167539A1 (fr)

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CN111231764B (zh) * 2020-02-25 2021-08-03 威马智慧出行科技（上海）有限公司 电动汽车电池热管理方法、电子设备及汽车

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Also Published As

Publication number Publication date
DE102016205374A1 (de) 2017-10-05
CA3019395A1 (fr) 2017-10-05
CN108886177A (zh) 2018-11-23
RU2699247C1 (ru) 2019-09-04
US20190123401A1 (en) 2019-04-25
WO2017167539A1 (fr) 2017-10-05

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