CN110481385A - Vehicle-mounted ternary lithium-ion-power cell heats charging method - Google Patents

Vehicle-mounted ternary lithium-ion-power cell heats charging method Download PDF

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Publication number
CN110481385A
CN110481385A CN201910748420.0A CN201910748420A CN110481385A CN 110481385 A CN110481385 A CN 110481385A CN 201910748420 A CN201910748420 A CN 201910748420A CN 110481385 A CN110481385 A CN 110481385A
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China
Prior art keywords
vehicle
charging
ion
current value
power cell
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Granted
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CN201910748420.0A
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Chinese (zh)
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CN110481385B (en
Inventor
娄世菊
赵静艺
徐战林
张晓林
耿大伟
田磊
李孟柯
付哲豪
申龙飞
张翀翊
魏传盟
高俊华
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Zhengzhou Nissan Automobile Co Ltd
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Zhengzhou Nissan Automobile Co Ltd
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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
    • B60L53/60—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
    • 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
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/635—Control systems based on ambient temperature
    • 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
    • H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • 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

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

Abstract

Charging method is heated the invention discloses a kind of vehicle-mounted ternary lithium-ion-power cell, 1: vehicle-mounted ternary lithium-ion-power cell is placed in battery case annular-heating coil pipe；2, the entery and delivery port of annular coil pipe is pumped by first circulation and is connected with the tube side of heat exchanger, the shell side of heat exchanger is pumped by second circulation and is connected with ptc heater heating water tank intake-outlet；3, by vehicle-mounted ternary lithium-ion-power cell and charging equipment charging connection；4, on-vehicle battery administrative unit is charged with Ireq=Ic+Ip request charging equipment；5, before going up and down shelves shift inside ptc heater, charging equipment is charged with Ireq=Ic+Ip；6, inside electric vehicle ptc heater when lifting shelves shift, on-vehicle battery administrative unit issues the charge request of Ireq=Ic+Ip-Ipd to charging equipment according to shelves shift signal is gone up and down inside ptc heater.The method of the present invention improve vehicle-mounted ternary lithium-ion-power cell charge efficiency up to 30%, save the charging time and reach as high as 1h.

Description

Vehicle-mounted ternary lithium-ion-power cell heats charging method
Technical field
The present invention relates to vehicle mounted dynamic batteries to heat charging method, adds more particularly, to vehicle-mounted ternary lithium-ion-power cell Hot charging method.
Background technique
Currently, the power battery that pure electric automobile uses is mostly ternary lithium-ion-power cell, which supports -20 DEG C small Electric current charging, but there are still the larger problems that polarizes when battery under low temperature charges, while needing to control charging current value no more than Secure threshold (maximum charging current Ic).It, can since ternary lithium-ion-power cell is to charge within the scope of 0 DEG C ~ 30 DEG C in temperature To improve charge efficiency, the charging time is saved.Therefore, it is attempted to power using electric vehicle ptc heater, combined charge equipment Ability carries out heating charging to vehicle-mounted ternary lithium-ion-power cell.But since electric vehicle ptc heater working characteristics determines There are unstability for its power regulation, not easy to control so as to cause charging current fluctuation.Its reason is: electric vehicle PTC heating Device working characteristics is that the request of target is heated according to on-vehicle battery administrative unit (BMS), passes through lifting shelves behaviour inside ptc heater Make to realize that heating power is adjusted, mutation current Ipd can be generated during shelves are gone up and down inside ptc heater, is filled in battery request Under conditions of electric current Ireq operating lag, ternary lithium-ion-power cell present charging current value Ib will lead to more than ternary lithium The permitted pairs of maximum charging current values Ic of ion battery.It effectively adjusts therefore, it is necessary to a kind of control method and adds in charging The size of current value in thermal process protects ternary lithium-ion-power cell while improving charge efficiency.
Summary of the invention
It is an object of that present invention to provide a kind of vehicle-mounted ternary lithium-ion-power cells to heat charging method.
To achieve the above object, the present invention takes following technical proposals:
Vehicle-mounted ternary lithium-ion-power cell of the present invention heats charging method, includes the following steps:
Step 1, vehicle-mounted ternary lithium-ion-power cell is placed in battery case annular-heating coil pipe, in the annular-heating coil pipe Interior installation temperature detection sensor, for detecting the temperature in the control battery case within the scope of set temperature；
Step 2, the entery and delivery port of annular coil pipe is pumped by first circulation and is connected with the tube side of heat exchanger, by the heat exchange The shell side of device is pumped by second circulation to be connected with electric vehicle ptc heater heating water tank intake-outlet；
Step 3, by the vehicle-mounted ternary lithium-ion-power cell and charging equipment charging connection；
Step 4, on-vehicle battery administrative unit requests the charging equipment to charge with Ireq=Ic+Ip；The Ireq is vehicle-mounted Ternary lithium-ion-power cell requests charging current value, and Ic permits for maximum of the vehicle-mounted ternary lithium-ion-power cell at -20 DEG C Perhaps charging current value, Ip are consumed current value when the electric vehicle ptc heater heats；
Step 5, before going up and down shelves shift inside the electric vehicle ptc heater, charging equipment to request charging current value Ireq into Row is adjusted and is charged with Ireq=Ic+Ip；
Step 6, inside electric vehicle ptc heater when lifting shelves shift, the on-vehicle battery administrative unit is according to electric vehicle PTC Heater body goes up and down shelves shift signal, and the charge request of Ireq=Ic+Ip-Ipd is issued to charging equipment, and the Ipd is electronic Mutation current value caused by lifting shelves shift inside vehicle ptc heater.
Maximum allowable charging current value Ic range of the vehicle-mounted ternary lithium-ion-power cell at -20 DEG C is 2-30A, The charging equipment output current value is 8-200A, and consumed current value Ip is 0- when the electric vehicle ptc heater heats 20A, it is up to 15A that electric vehicle ptc heater inside, which goes up and down mutation current value Ipd caused by shelves shift,；In step 6, when electronic Inside vehicle ptc heater when lifting shelves shift, the on-vehicle battery administrative unit is according to lifting shelves inside electric vehicle ptc heater Shift signal issues the charge request of Ireq=Ic+Ip-Ipd to charging equipment: as -1A≤Ib-Ic≤0A, charging equipment is protected Hold present charging current value；As Ib-Ic < -1A, charging equipment increases charging current value according to 1A/s rate；Work as Ib-Ic > 1A When, charging equipment reduces charging current value according to 1A/s rate, so that it is guaranteed that Ib≤Ic；Ib is vehicle-mounted ternary lithium ion power electricity Pond present charging current value.
The heating when present invention charges to vehicle-mounted ternary lithium-ion-power cell using electric vehicle ptc heater, solves Generate what mutation current Ipd charged to vehicle-mounted ternary lithium-ion-power cell during lifting shelves inside electric vehicle ptc heater It influences, under the premise of guaranteeing that charging current value is no more than secure threshold, improves vehicle-mounted ternary lithium-ion-power cell charging effect Rate up to 30%, save the charging time and reach as high as 1h.
Detailed description of the invention
Fig. 1 is the heating system structural schematic diagram of vehicle-mounted ternary lithium-ion-power cell of the present invention.
Fig. 2 is flow diagram of the invention.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down State embodiment.
As shown in Figure 1, 2, vehicle-mounted ternary lithium-ion-power cell of the present invention heats charging method, including following steps It is rapid:
Step 1, vehicle-mounted ternary lithium-ion-power cell 1 is placed in battery case annular-heating coil pipe 2, in annular-heating coil pipe 2 Temperature controls between 20 DEG C ~ 30 DEG C；Temperature detection sensor is installed in annular-heating coil pipe 2, for detecting control battery Temperature in case is within the scope of set temperature；
Step 2, the entery and delivery port of annular coil pipe 2 is connected by first circulation pump 3 with the tube side of heat exchanger 4, by heat exchanger 4 shell side is connected by second circulation pump 5 with 6 intake-outlet of electric vehicle ptc heater heating water tank；
Step 3, by vehicle-mounted ternary lithium-ion-power cell 1 and charging equipment charging connection, charging equipment output current value range For 8-200A；
As shown in Fig. 2, step 4, on-vehicle battery administrative unit (BMS) is charged with Ireq=Ic+Ip request charging equipment； Ireq is that vehicle-mounted ternary lithium-ion-power cell requests charging current value；Ic is vehicle-mounted ternary lithium-ion-power cell at -20 DEG C When maximum allowable charging current value, range 2-30A；Ip is consumed current value, model when electric vehicle ptc heater heats It encloses for 0-20A；
Step 5, before going up and down shelves shift inside the electric vehicle ptc heater, charging equipment to request charging current value Ireq into Row is adjusted and is charged with Ireq=Ic+Ip；
Step 6, inside electric vehicle ptc heater when lifting shelves shift, the on-vehicle battery administrative unit is according to electric vehicle PTC Heater body goes up and down shelves shift signal, the charge request of Ireq=Ic+Ip-Ipd is issued to charging equipment, Ipd is electric vehicle Mutation current value, up to 15A caused by lifting shelves shift inside ptc heater；
Inside electric vehicle ptc heater when lifting shelves shift, on-vehicle battery administrative unit according to electric vehicle ptc heater inside Shelves shift signal is gone up and down, the charge request of Ireq=Ic+Ip-Ipd is issued to charging equipment: as -1A≤Ib-Ic≤0A, charging Equipment keeps present charging current value；As Ib-Ic < -1A, charging equipment increases charging current value according to 1A/s rate；Work as Ib- When Ic > 1A, charging equipment reduces charging current value according to 1A/s rate, so that it is guaranteed that Ib≤Ic；Ib is vehicle-mounted ternary lithium ion Power battery present charging current value.

Claims (2)

1. a kind of vehicle-mounted ternary lithium-ion-power cell heats charging method, it is characterised in that: include the following steps:
Step 1, vehicle-mounted ternary lithium-ion-power cell is placed in battery case annular-heating coil pipe, in the annular-heating coil pipe Interior installation temperature detection sensor, for detecting the temperature in the control battery case within the scope of set temperature；
Step 2, the entery and delivery port of annular coil pipe is pumped by first circulation and is connected with the tube side of heat exchanger, by the heat exchange The shell side of device is pumped by second circulation to be connected with electric vehicle ptc heater heating water tank intake-outlet；
Step 3, by the vehicle-mounted ternary lithium-ion-power cell and charging equipment charging connection；
Step 4, on-vehicle battery administrative unit requests the charging equipment to charge with Ireq=Ic+Ip；The Ireq is vehicle-mounted Ternary lithium-ion-power cell requests charging current value, and Ic permits for maximum of the vehicle-mounted ternary lithium-ion-power cell at -20 DEG C Perhaps charging current value, Ip are consumed current value when the electric vehicle ptc heater heats；
Step 5, before going up and down shelves shift inside the electric vehicle ptc heater, charging equipment to request charging current value Ireq into Row is adjusted and is charged with Ireq=Ic+Ip；
Step 6, inside electric vehicle ptc heater when lifting shelves shift, the on-vehicle battery administrative unit is according to electric vehicle PTC Heater body goes up and down shelves shift signal, and the charge request of Ireq=Ic+Ip-Ipd is issued to charging equipment, and the Ipd is electronic Mutation current value caused by lifting shelves shift inside vehicle ptc heater.
2. vehicle-mounted ternary lithium-ion-power cell heats charging method according to claim 1, it is characterised in that: described vehicle-mounted Maximum allowable charging current value Ic range of the ternary lithium-ion-power cell at -20 DEG C is 2-30A, the charging equipment output Current value is 8-200A, and consumed current value Ip is 0-20A, electric vehicle PTC heating when the electric vehicle ptc heater heats Mutation current value Ipd caused by lifting shelves shift is up to 15A inside device；In step 6, risen inside electric vehicle ptc heater When downshift shift, the on-vehicle battery administrative unit is set according to shelves shift signal is gone up and down inside electric vehicle ptc heater to charging Preparation goes out the charge request of Ireq=Ic+Ip-Ipd: as -1A≤Ib-Ic≤0A, charging equipment keeps present charging current value； As Ib-Ic < -1A, charging equipment increases charging current value according to 1A/s rate；As Ib-Ic > 1A, charging equipment is according to 1A/ S rate reduces charging current value, so that it is guaranteed that Ib≤Ic；Ib is vehicle-mounted ternary lithium-ion-power cell present charging current value.
CN201910748420.0A 2019-08-14 2019-08-14 Heating charging method for vehicle-mounted ternary lithium ion power battery Active CN110481385B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112440807A (en) * 2020-11-30 2021-03-05 东风本田汽车有限公司 Charging request target current control method for electric vehicle charging

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US4308493A (en) * 1976-08-11 1981-12-29 Varta Batterie Aktiengesellschaft Charging of alkaline storage batteries
EP0026866A1 (en) * 1979-10-04 1981-04-15 Fried. Krupp Gesellschaft mit beschränkter Haftung Battery charger
US20050286195A1 (en) * 2004-06-25 2005-12-29 Shallco, Inc. Overcurrent protection circuit including auto-reset breaker and PTC resistor
US20120318783A1 (en) * 2011-06-14 2012-12-20 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Warm-up control device for vehicle
US20140028267A1 (en) * 2012-07-26 2014-01-30 Samsung Sdl Co., Ltd. Battery charging method and battery pack utilizing the same
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112440807A (en) * 2020-11-30 2021-03-05 东风本田汽车有限公司 Charging request target current control method for electric vehicle charging
CN112440807B (en) * 2020-11-30 2024-05-17 东风本田汽车有限公司 Charging request target current control method for charging electric vehicle

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