WO2019141493A1 - Dispositif accumulateur pour véhicule automobile, en particulier pour véhicule électrique - Google Patents

Dispositif accumulateur pour véhicule automobile, en particulier pour véhicule électrique Download PDF

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Publication number
WO2019141493A1
WO2019141493A1 PCT/EP2018/086527 EP2018086527W WO2019141493A1 WO 2019141493 A1 WO2019141493 A1 WO 2019141493A1 EP 2018086527 W EP2018086527 W EP 2018086527W WO 2019141493 A1 WO2019141493 A1 WO 2019141493A1
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WO
WIPO (PCT)
Prior art keywords
sub
voltage
series
strands
charging
Prior art date
Application number
PCT/EP2018/086527
Other languages
German (de)
English (en)
Inventor
Holger Schulze
Urs Boehme
Original Assignee
Daimler Ag
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 Daimler Ag filed Critical Daimler Ag
Publication of WO2019141493A1 publication Critical patent/WO2019141493A1/fr

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Classifications

    • 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
    • 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
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • 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
    • B60L58/18—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
    • B60L58/24—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
    • B60L58/26—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 by cooling
    • 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
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • Storage device for a motor vehicle in particular for an electric vehicle
  • the invention relates to a storage device for a motor vehicle, in particular for an electric vehicle, according to the preamble of patent claim 1.
  • Such a storage device for a motor vehicle in particular for a
  • Electric vehicle for example, is already known from DE 10 2016 008 052 A1 as known.
  • the memory device comprises an energy accumulator designed, for example, as a battery, which has at least two series sub-strings for storing electrical energy or electric current.
  • the memory device has at least one charging connection, via which the partial strands connected in series can be connected to a current source and supplied with electrical energy supplied by the current source and thereby to be charged.
  • the storage device comprises a switching device.
  • DE 10 2013 012 149 A1 discloses a circuit device for an energy storage module.
  • Object of the present invention is to develop a memory device of the type mentioned in such a way that the energy storage can be charged particularly advantageous.
  • Patent claim 1 solved.
  • the switching device between at least a first switching state, at least a second switching state and at least a third switching state is switchable.
  • first switching state one of the sub-strands is electrically connected to the charging port, while the other sub-strand is disconnected from the charging port.
  • second switching state the other sub-string is electrically connected to the charging port while the first sub-string is disconnected from the charging port.
  • third switching state both sub-strings are connected in series and electrically connected in the series-connected state to the charging port.
  • the switching device further comprises a connection device, via which at least one of the energy storage different auxiliary consumers, at least in the three switching states with the series-connected partial strands is electrically connected or connected.
  • a connection device via which at least one of the energy storage different auxiliary consumers, at least in the three switching states with the series-connected partial strands is electrically connected or connected.
  • Switching state and be electrically connected in the third switching state with the sub-strands, which in both the first switching state and in the second switching state and in the third switching state for the at least one
  • the invention is based in particular on the knowledge that one, for example, as a battery, in particular as a high-voltage battery (HV battery), trained
  • HV battery high-voltage battery
  • Battery voltage referred to electrical voltage has, depending on the state of charge of the energy storage completely or partially above the maximum, also referred to as the output voltage of a voltage, for example designed as a charging station and with respect to the energy storage external power source, by which the energy storage is to be charged.
  • a voltage for example designed as a charging station and with respect to the energy storage external power source, by which the energy storage is to be charged.
  • an energy store has an electrical voltage, which can not be reduced by a corresponding switching device of the energy store and is greater than the maximum electrical voltage of a charging station, by means of which
  • the switching device can either one sub-string or the other sub-strand are connected to the charging port, so that, for example, when the charging port, in particular designed as a charging station and with respect to the storage device external power source is electrically connected to either a sub-strand or the other sub-strand the charging port can be connected to the power source.
  • a sub-string can be charged via the charging connection by means of the current source connected to the charging connection, while charging of the other sub-string is omitted.
  • the second switching state can via the
  • Charging port of the other sub-string are loaded by means connected to the charging port power source, while charging a sub-string is omitted.
  • the partial strands are connected in series, a series connection of the partial strands is provided.
  • a very large electrical voltage of the energy storage can be realized, said electrical voltage of the energy storage is also referred to as battery voltage.
  • the respective sub-string itself has a lower sub-string voltage than the electrical voltage of the energy store. If, for example, the electrical voltage of the energy store realized or realizable by the series connection of the partial strands lies above the output voltage of the current source, the partial strands could not be completely charged by means of the current source if the partial strands are simultaneously charged by means of the current source, in particular not even if the respective sub-string voltage of the output voltage of
  • Memory device can be achieved because the sub-strands can be loaded individually. In this way, it is possible, for example, to load the partial strands alternately completely by means of the current source, since the output voltage of the current source is greater than the respective partial strand voltage.
  • the memory device enables the at least one
  • Secondary consumers are operated effectively and efficiently in all three switching states and thus in particular also in the first switching state and in the second switching state, so that the energy store can be charged particularly advantageous.
  • the secondary consumer is, for example, a cooling device for cooling the energy store.
  • Space requirements of the storage device can be kept in a very small frame.
  • a security concept can be replaced by a
  • the drawing shows in the single FIGURE is a schematic representation of a
  • FIGURE shows a schematic representation of a storage device 10 for a motor vehicle, which preferably as a motor vehicle or preferably as
  • the motor vehicle is preferably designed as a hybrid vehicle or as an electric vehicle and thus comprises at least one electric machine, by means of which the motor vehicle is electrically driven.
  • the memory device 10 comprises at least or exactly two sub-strands 12, by means of which electrical energy or electrical current is to be stored or stored.
  • the partial strands 12 are connected in series. In other words, a series connection of the partial strands 12 is provided, wherein this series circuit is preferably provided permanently or fixed. This means that the series connection of the partial strands 12 could not be canceled, so that it is not about a switching device is provided by means of which between the series circuit and a parallel connection of the partial strands 12th
  • the series connection of the partial strands 12 is permanently provided.
  • the respective sub-string 12 is, for example, a 400-volt string, since, for example, the respective sub-string 12 itself has or provides a voltage of, in particular maximum, 400 volts, in particular direct current, also referred to as sub-string voltage.
  • the series connection of the partial strands 12 is thus for example one, in particular maximum, electrical
  • Storage device 10 in this case comprises an energy store 14, which is preferably designed as a battery, in particular as a high-voltage battery (HV battery).
  • the energy storage 14 is also referred to as a battery and includes the sub-strands 12, so that the previously described, by the series connection of the partial strands 12th
  • the realizable or realized electrical voltage which is, for example, in particular a maximum of 800 volts, also referred to as a battery voltage electrical voltage of the energy storage device 14.
  • the battery voltage is preferably 800 volts, in particular DC voltage.
  • the energy storage device 14 could be completely charged, for example, only by means of a storage device 10 external and designed, for example, as a charging station current source, if the power source also referred to as an output voltage electrical
  • Battery voltage is equal to or greater than the battery voltage. A complete Charging the energy storage device 14 by means of a power source whose output voltage is lower than the battery voltage would not be possible. However, this problem can now be avoided in the memory device 10.
  • the memory device 10 at least one
  • the memory device 10 comprises a switching device 18.
  • the switching device 18 is connected between a first
  • the switching device 18 includes switches S1, S2, S3, S4, S5, S6, S7 and S8, wherein at least one of the switches S1 -S8 is designed as a contactor.
  • one of the sub-strands 12 is electrically connected to the charging port 16, while the respective other sub-strand 12 of the
  • Charging port 16 is disconnected.
  • the respective other sub-string 12 is electrically connected to the charging port 16, while the respective one sub-string 12 is separated from the charging port 16.
  • Output voltage is less than the battery voltage, but at least equal to the respective sub-string voltage or greater than the respective sub-string voltage.
  • Charging port 16 are charged with the electrically connected to the charging port 16 power source.
  • the third switching state can be set. In the third switching state, the
  • Part strands 12 together or simultaneously and particularly fast and completely via the charging port 16 by means of the connected to the charging port Power source are charged when their output voltage is equal to the battery voltage or greater than the battery voltage.
  • the switching device 18 has a connection device 20 with switches
  • a vehicle electrical system 22 is provided, which is also referred to as HV vehicle electrical system or HV system in the electrical system 22, a secondary consumer 24 is arranged, which by means of one of the battery voltage corresponding electrical voltage, that is operated by 800 volts.
  • HV vehicle electrical system or HV system in the electrical system 22 a secondary consumer 24 is arranged, which by means of one of the battery voltage corresponding electrical voltage, that is operated by 800 volts.
  • auxiliary loads 24 can be connected in all three switching states with the series-connected sub-strands 12, so that, for example, in all three switching states of the auxiliary consumers 24 realized by the series sub-strands 12 realized or realizable battery voltage of, for example, 800 volts can be supplied.
  • the secondary consumer 24 is, for example, a cooling device, by means of which the energy store 14 can be cooled.
  • the energy storage 14 can be effectively and efficiently cooled by the cooling device in all three switching states.
  • the switches S1 and S2 are contactors of the energy store 14 for the on-board network 22.
  • the switches S3 and S4 are
  • the switches S5 and S6 are, for example, semiconductors or semiconductor switches or semiconductor pairs by means of which either one sub-strand 12 or the other sub-strand 12 or both sub-strands 12 can be connected to the charging connection 16 in the state connected in series.
  • the switch S7 is optionally provided and designed, for example, as a thyristor.
  • the switch S8 is for example optionally provided and designed, for example, as a thyristor.
  • the switch S8 is in communication with a fuse associated with the other sub-string 12.
  • V a respective voltage measurement for plausibility of the switches S5 and S6 and for commanding the correct voltage to the
  • the memory device 10 in particular the energy store 14, comprises an optionally provided recharging capacitor C for a so-called balancing between the sub-strands 12.
  • switches S1 and S2 form a contactor pair, via which the electrical system 22, for example, with output terminals of the as well
  • Vehicle battery designated energy storage 14 can be coupled.
  • the energy storage device 14 comprises the partial strands 12 connected in series
  • Vehicle electrical system 22 during charging takes place via the switches S1 and S2 from the series-connected partial strands 12 and thus from a so-called total battery, which is formed by the series connection of the partial strands 12.
  • charging connection 16 formed as a DC charging socket can be connected via the switches S5 and S6 acting as changeover switches to a middle tap or the positive pole or negative pole of the partial strands 12, also referred to as battery strings.
  • a lower voltage compared to the battery voltage can be generated between the switches S5 and S6, which is adapted to a charging station with respect to the battery voltage low design voltage.
  • the design voltage is, for example, the aforementioned one
  • Output voltage and can be for example 500 volts.
  • the switches S5 and S6 and also referred to as charging socket charging port 16 the two galvanically isolating switches S3 and S4 are arranged. This ensures that only a voltage of one of the partial strands 12 is switched to the socket when it is ensured that this voltage is also at or below the
  • Design voltage is. This is achieved via the respective voltage measurement V for plausibility of the switch function of the switches S5 and S6.
  • the switches S5 and S6 can thus be designed as a galvanically non-insulating switch and thus, for example, as a semiconductor switch.
  • Residual current via the switch S5 or via the switch S6 is terminated.
  • the respective switch S5 or S6 can be constructed from two semiconductor switches, whereby, for example, a center position can be realized.
  • the middle position is shown in the figure, wherein there is no connection of the respective sub-string 12 to the charging connection 16 or to the switches S4 and S3 in this middle position.
  • the acting as a short-circuit switch switches S7 and S8 can for example also be designed as a semiconductor switch and thereby in particular as thyristors.
  • the arrangement of these shorting switches in conjunction with a fuse which is tripped in the manner described is also referred to as crowbar.
  • Charging station is charged, which is at the voltage of the series connection at the
  • Part strands 12 is designed, the switches S5 and S6 are connected to the positive pole or negative pole of the partial strands 12. Thus, the third shift position is set.
  • a charging process is illustrated on a charging station, which is designed for the voltage position of the series connection of the partial strands 12.
  • the switches S5 and S6 are connected to the positive pole or negative pole of the partial strands 12.
  • the vehicle electrical system 22 is supplied via the switches S1 and S2 from the series connection of the two sub-strands 12, thereby providing the example as
  • Cooling device trained auxiliary consumers 24 to operate.
  • the following describes a charging process at a charging station, which is designed only for the voltage level of one of the partial strands 12 of the battery.
  • a charging station which is designed only for the voltage of one of the sub-strands 12
  • the switches S5 and S6 alternately one sub-strand 12 and the other
  • Sub-string 12 loaded.
  • the residence time for the charging time of each sub-string 12 is freely selectable and can, for example, by specifying a departure time, the shortest total charging time or a minimum state of charge to be maintained or
  • the power is reduced or even regulated to zero amperes via the command of the charging station.
  • the switches S3 and S4 can be opened without affecting the life.
  • the switches S5 and S6 are switched to the respective other sub-string 12 of the battery.
  • the voltage measurement V determines the voltage value which is communicated to the charging station. While achieving this
  • the power is reduced or even regulated to zero amperes via the command of the charging station.
  • the switches S5 and S6 go into the middle position described, so that none of the partial strands 12 is connected to the charging port 16 and thus to the charging station.
  • Voltage measurement V of a battery management is commanded to the charging station of the newly adjusted voltage value corresponding to the voltage of the sub-string 12, to be switched to.
  • the voltage measurement V between the switches S3 and S4 determines the currently applied voltage value of the charging station.
  • the battery string sub-string 12 is connected via the switches S5 and S6 to be charged to the sub-string 12, and the charging process of the corresponding sub-string 12 of the battery begins.
  • a battery balancing will be described below.
  • a balancing of the partial strands 12 can take place after the charging process.
  • the aim of the balancing of both sub-strands 12 is an alignment of the sub-string voltages in order to achieve a lifetime extension for the overall battery. For this purpose, first the capacitor is switched and charged via the switches S5 and S6 to the sub-string with the higher voltage. Thereafter, it is switched away from this sub-strand via the switches S5 and S6 of this sub-strand and then switched to the sub-strand with the lower battery voltage, in which he then recharges partly. Between
  • a leakage resistance is provided in parallel with the capacitor or an additional switch, in particular semiconductor switch, arranged in series with the capacitor, which is also not shown in the Fig.

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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)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un dispositif accumulateur (10) destiné à un véhicule automobile, comprenant au moins un accumulateur d'énergie (14) qui présente au moins deux branches partielles (12) montées en série et servant à l'accumulation d'énergie électrique, au moins un raccordement de charge (16) par lequel les branches partielles (12) montées en série peuvent être connectées à une source de courant et alimentées en énergie électrique fournie par la source de courant et sont donc chargées, et un dispositif de commutation (18), le dispositif de commutation (18) pouvant être commuté entre au moins un premier état de commutation, dans lequel une des branches partielles (12) est connectée électriquement au raccordement de charge (16) et l'autre branche partielle (12) est isolée du raccordement de charge (16), au moins un deuxième état de commutation dans lequel ladite autre branche partielle (12) est connectée électriquement au raccordement de charge (16) et ladite une branche partielle (12) est isolée du raccordement de charge (16), et au moins un troisième état de commutation dans lequel les branches partielles (12) montées en série sont connectées électriquement au raccordement de charge (16).
PCT/EP2018/086527 2018-01-22 2018-12-21 Dispositif accumulateur pour véhicule automobile, en particulier pour véhicule électrique WO2019141493A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018000490.3A DE102018000490A1 (de) 2018-01-22 2018-01-22 Speichereinrichtung für ein Kraftfahrzeug, insbesondere für ein Elektrofahrzeug
DE102018000490.3 2018-01-22

Publications (1)

Publication Number Publication Date
WO2019141493A1 true WO2019141493A1 (fr) 2019-07-25

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Application Number Title Priority Date Filing Date
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Country Status (2)

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DE (1) DE102018000490A1 (fr)
WO (1) WO2019141493A1 (fr)

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CN109353246B (zh) * 2018-10-29 2022-03-15 国网浙江电动汽车服务有限公司 一种充电站智能运维系统以及方法
DE102019207456A1 (de) * 2019-05-21 2020-11-26 HELLA GmbH & Co. KGaA Ladeschaltung und Verfahren zum Betrieb einer solchen
DE102019007868A1 (de) 2019-11-13 2020-07-23 Daimler Ag Speichereinrichtung für ein elektrisch betriebenes Fahrzeug, sowie entsprechendes Verfahren zum Betreiben solch einer Speichereinrichtung
DE102020106997A1 (de) 2020-03-13 2021-09-16 Bayerische Motoren Werke Aktiengesellschaft Laden einer Stromspeichervorrichtung eines Fahrzeugs
DE102020003239A1 (de) 2020-05-29 2020-07-23 Daimler Ag Verfahren zum Laden eines elektrischen Energiespeichers eines elektrisch betriebenen Fahrzeugs, sowie Speichereinrichtung für ein elektrisch betriebenes Fahrzeug
DE102020120383A1 (de) 2020-08-03 2022-02-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Aufladen einer Traktionsbatterie eines Kraftfahrzeugs
DE102020120382A1 (de) 2020-08-03 2022-02-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Aufladen einer Traktionsbatterie eines Kraftfahrzeugs
DE102020125970A1 (de) 2020-10-05 2022-04-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Aufladen einer Traktionsbatterie eines Elektrofahrzeugs mittels einer Ladesäule und Ladesystem
DE102021109442B4 (de) * 2021-04-15 2023-02-23 Mercedes-Benz Group AG Elektrisches Bordnetz für ein Fahrzeug, Fahrzeug mit einem elektrischen Bordnetz, sowie Verfahren zum Betreiben eines elektrischen Bordnetzes für ein Fahrzeug

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DE102016008052A1 (de) 2016-07-01 2017-02-16 Daimler Ag Energiespeichereinrichtung für einen Kraftwagen
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EP2897247A1 (fr) * 2012-09-11 2015-07-22 Panasonic Intellectual Property Management Co., Ltd. Dispositif de gestion de batterie de stockage, et procédé de gestion de batterie de stockage
DE102013012149A1 (de) 2013-07-19 2015-01-22 Daimler Ag Schaltungsvorrichtung für ein Energiespeichermodul
DE102016008052A1 (de) 2016-07-01 2017-02-16 Daimler Ag Energiespeichereinrichtung für einen Kraftwagen
DE102016010839A1 (de) * 2016-09-08 2017-03-30 Daimler Ag Hochvoltbatteriesystem für ein Kraftfahrzeug sowie Verfahren zum Herstellen einer Mehrzahl von Betriebszuständen
DE102016015311A1 (de) * 2016-12-22 2017-07-20 Daimler Ag Elektrisches Antriebssystem für ein Fahrzeug und Verfahren zu dessen Betrieb

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