WO2019238337A1 - Verfahren zum impedanzgesteuerten schnellladen, steuereinheit für ein ladesystem, energiespeicher und arbeitsvorrichtung - Google Patents
Verfahren zum impedanzgesteuerten schnellladen, steuereinheit für ein ladesystem, energiespeicher und arbeitsvorrichtung Download PDFInfo
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- WO2019238337A1 WO2019238337A1 PCT/EP2019/062348 EP2019062348W WO2019238337A1 WO 2019238337 A1 WO2019238337 A1 WO 2019238337A1 EP 2019062348 W EP2019062348 W EP 2019062348W WO 2019238337 A1 WO2019238337 A1 WO 2019238337A1
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- WIPO (PCT)
- Prior art keywords
- energy store
- charging
- impedance
- energy
- control unit
- Prior art date
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Classifications
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- 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
-
- 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
- B60L58/27—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 heating
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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
-
- 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
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
-
- 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
-
- 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
-
- 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
-
- 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
- B60L2240/80—Time limits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
Definitions
- the present invention relates to a method for impedance-controlled rapid charging of an electrical energy store of a working device, a control unit for a charging system, an energy store and a
- Working device generally uses charging stations that are designed for pure quick charging of the energy store and, for example, in the form of charging stations for electric vehicles or hybrid vehicles.
- the problem with such charging stations is their lack of being able to generate and output discharge pulses in order to derive characteristic quantities for an impedance or for an internal resistance of the energy store on the basis thereof and to set a charging current as a function of impedance.
- a method for impedance-controlled rapid charging of an electrical energy store of a working device and in particular of a vehicle energy store of a vehicle is created, in which
- a current charging current for charging the electrical energy store is set as a function of the variable characteristic of the impedance
- the current charging current with a steep edge in particular of more than 20 A / s, preferably in the range from about 1 A / ms to about 50 A / ms, is temporarily reduced and
- a voltage response of the energy store to the steep flank is recorded as a characteristic quantity for the impedance of the energy store and is used as a basis for setting the current charging current.
- the method according to the invention is particularly advantageously replaceable if a heating device is used as the ohmic consumer and is connected to the energy store for operating the heating device in order to lower the current charging current.
- the energy used to lower the current charging current can be converted profitably by generating a quantity of heat.
- Energy storage own heating device and in particular a battery or cell heating device is used on or in the energy storage and in particular on or in a battery or cell, in particular in the manner of a heating sheet.
- the heating device is located in close proximity to the energy store, so that the amount of heat generated is released to it. In this way, for example, a suitable operating temperature of the energy store can be reached or maintained.
- the energy store can be charged locally and / or decentrally for the underlying energy store
- the charging of the energy store is controlled or regulated centrally and together with the underlying energy store for a plurality of energy stores.
- the charging of a plurality of energy stores is controlled or regulated, wherein
- An evaluation and / or evaluation of voltage responses of a plurality of energy stores takes place centrally and / or
- a common charging strategy for a plurality of energy storage devices is selected on the basis of an energy storage device with the lowest impedance among all energy storage devices.
- a control unit for a charging system is also created, which is set up to execute, run and / or control a method according to the invention for impedance-controlled rapid charging of an electrical energy store in an underlying charging system.
- the control unit is designed as a control chip and / or ASIC on or in an underlying energy store, in particular a battery cell, a module, a module housing or on or in an area of a battery cell, a module or a module housing.
- control unit according to the invention can be central, decentralized, for one or more energy stores or for parts thereof, for one or more battery cells or for parts thereof, for one or more modules or parts thereof, for local or central measurement and / or for local or central assessment and / or taxes.
- the present invention also provides a charging system for the impedance-controlled rapid charging of an electrical energy store of a working device and in particular of a vehicle energy store of a vehicle.
- the charging system according to the invention is set up to be used or operated with or for a method for impedance-controlled rapid charging according to the present invention.
- Control unit designed according to the present invention.
- the energy store according to the invention has, for example, one
- Ohmic consumer or a connection for controllably switchable connection to an ohmic consumer.
- the energy store can have a control unit designed according to the invention
- FIG. 1 shows, in the manner of a schematic block diagram, the structure of an embodiment of a charging system according to the invention with a working device designed according to the invention
- Figure 2 shows a kind of a perspective exploded view
- Embodiment of an energy store designed according to the invention in particular in the form of a cell
- FIG. 3 uses a graph with a charging curve to illustrate one with a
- FIG. 1 shows, in the manner of a schematic block diagram, the structure of an embodiment of a charging system 100 according to the invention with a working device 1 designed according to the invention
- the charging system 100 has a working device 1, for example in the form of a vehicle G, which is designed with an electrical energy store 20, here in the form of a vehicle energy store 20 ', in order to supply units of the working device 1 with energy during operation. Furthermore, one for charging the energy store 20
- Charging unit 80 is formed, which with the terminals 23 and 24 of the
- Energy storage is controllably connectable.
- a control unit 10 is provided for controlling the charging process, in particular in the manner provided according to the invention. This can be formed on or in the energy store 20 as a component, but in the case shown in FIG. 1 the control unit is separate from the
- the control unit 10 is set up to cause, execute and / or control a method according to the invention for the impedance-controlled rapid charging of the energy store 20.
- control unit 10 is able to temporarily connect an intended ohmic consumer 30 or a general consumer to the energy store 20 during a charging process in such a way that the charge current drops into the energy store 20 during the connection of the consumer 30 to the energy store 20, whereby the drop occurs with a comparatively steep flank of more than 20 A / s, so that this steep drop can be used for an impedance analysis or the like, namely by detecting a corresponding voltage response of the energy store 20, possibly with an evaluation
- various loads 30 are indicated, namely a heating device 40 arranged in the immediate spatial vicinity of the energy store 20, for example in the form of a Schusheets, a further energy store 60, which can be electrically coupled to the underlying energy store 20 via a DC / DC coupling, and a generator 50, which can also function as a consumer 30 in active short-circuit operation.
- a heating device 40 arranged in the immediate spatial vicinity of the energy store 20, for example in the form of a Schusheets
- a further energy store 60 which can be electrically coupled to the underlying energy store 20 via a DC / DC coupling
- a generator 50 which can also function as a consumer 30 in active short-circuit operation.
- Figure 2 shows a kind of a perspective exploded view
- Embodiment of an energy store 20 designed according to the invention in the manner of a vehicle energy store 20 ', in particular in the form of a cell.
- Vehicle energy storage 20 ' is the heating device 40 as a heating sheet in the
- control unit 10 is designed with corresponding switching units.
- this arrangement is not mandatory, but is only mentioned as an example.
- FIG. 3 uses a graph 90 with a charging curve 93 to illustrate a charging strategy that can be generated with an embodiment of the method according to the invention.
- the time is plotted on the abscissa 91 of the graph 90, and the current charging current I (t) is plotted on the ordinate 92.
- the charging curve 93 has an upload phase 91-1 with corresponding charging sections or charging pulses 93-1
- Transition charging phase in which the value of the charging current l (t) - in particular, but not necessarily linear - is lowered over time in order to lead to a low-charging phase 93-3 with comparatively low and constant values of the charging current l (t).
- Energy storage 20 characteristic size In the simplest case, it can be a size that corresponds to the corresponding one
- Working device 1 - can be generated by the charging station - understood as a charging unit 80 - no such current changes, because such a charging station can only charge the energy store of a corresponding vehicle, but not discharge it.
- a current ramp or current edge that can be generated with charging stations 80 is limited to a value of 20 A / s. This is for deriving one for that Impedance of an energy storage device 20 characterizing size is not sufficient.
- Any switching elements used must be able to switch quickly enough, in particular in the range from a few tens of Hz or a few 100 Hz to the kHz range, for example with pulse widths in the range of a few milliseconds, for example 1 ms to 10 ms. Switching must also be possible as individually as possible for the cell, or it must be possible for each module or high-voltage battery.
- the switching elements must also be designed with an appropriate current carrying capacity.
- a measurement of the impedance for example via a chip or ASIC, is conceived as an inventive
- Control unit 10 possible close to the cell or generally to the energy store 20.
- the chip or ASIC can also control and / or contain or form the necessary switches as control unit 10.
- Consumer 30 for cell resistance can be dimensioned such that with simultaneous charging and activation of the ohmic consumer 30 and In particular, the heating sheet 40 also discharges the cell as an energy store 20.
- the regulation according to the impedance is superimposed by a thermal degradation of the current during rapid charging in order not to exceed a given temperature limit of the cells.
- the value of a maximum or peak current is determined depending on the cell voltage.
- a second energy store 80 can also be provided in the working device 1 or in the vehicle 1 'in order to generate discharge pulses.
- the energy stores 20, 20 and 80 are connected to one another via a DC / DC coupling 70.
- a heating sheet 40 serves as an ohmic consumer 30 inside or outside a cell to be charged as a consumer, in order to display high-frequency discharge pulses during charging, is also possible on a charging station and on all charging units 80 that cannot provide suitable discharge pulses, impedance-controlled quick charging possible.
- the cell - understood as an energy store 20 - is also heated. This is conducive to quick charging and also improves the service life, reduces the lower risk of plating with regard to metallic lithium and reduces the resistance, in particular if the anode potential increases.
- the impedance-controlled rapid charging according to the invention can be effectively regulated and operated in such a way that the current is reduced at high cell voltages or the anode potential never drops too low, so that plating is also avoided.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020569164A JP7368389B2 (ja) | 2018-06-13 | 2019-05-14 | インピーダンス制御式に急速充電するための方法、充電システム用の制御装置、エネルギー貯蔵装置、及び駆動装置 |
KR1020207034816A KR102612119B1 (ko) | 2018-06-13 | 2019-05-14 | 임피던스 제어 방식으로 고속 충전하기 위한 방법, 충전 시스템용 제어 유닛, 에너지 저장 소스 및 작업 장치 |
CN201980037588.9A CN112218779A (zh) | 2018-06-13 | 2019-05-14 | 用于以阻抗受控制的方式快速充电的方法、用于充电系统的控制单元、蓄能器和作业装置 |
US17/251,664 US11607963B2 (en) | 2018-06-13 | 2019-05-14 | Method for impedance-controlled fast charging, control unit for a charging system, stored energy source, and working device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102018209461.6 | 2018-06-13 | ||
DE102018209461.6A DE102018209461A1 (de) | 2018-06-13 | 2018-06-13 | Verfahren zum impedanzgesteuerten Schnellladen, Steuereinheit für ein Ladesystem, Energiespeicher und Arbeitsvorrichtung |
Publications (1)
Publication Number | Publication Date |
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WO2019238337A1 true WO2019238337A1 (de) | 2019-12-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2019/062348 WO2019238337A1 (de) | 2018-06-13 | 2019-05-14 | Verfahren zum impedanzgesteuerten schnellladen, steuereinheit für ein ladesystem, energiespeicher und arbeitsvorrichtung |
Country Status (6)
Country | Link |
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US (1) | US11607963B2 (de) |
JP (1) | JP7368389B2 (de) |
KR (1) | KR102612119B1 (de) |
CN (1) | CN112218779A (de) |
DE (1) | DE102018209461A1 (de) |
WO (1) | WO2019238337A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118163662B (zh) * | 2024-05-14 | 2024-07-19 | 成都佳灵零碳车业科技有限公司 | 一种超大功率智能高速充电方法、系统、设备及存储介质 |
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EP0544121A1 (de) * | 1991-10-31 | 1993-06-02 | IVECO FIAT S.p.A. | Gerät zur Messung des internen Widerstandes von Batterien, besonders in Motorfahrzeugen |
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CN112218779A (zh) | 2021-01-12 |
JP7368389B2 (ja) | 2023-10-24 |
JP2021527380A (ja) | 2021-10-11 |
DE102018209461A1 (de) | 2019-12-19 |
US20210276434A1 (en) | 2021-09-09 |
US11607963B2 (en) | 2023-03-21 |
KR20210003914A (ko) | 2021-01-12 |
KR102612119B1 (ko) | 2023-12-11 |
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