CN110600833A - Self-heating system for vehicle-mounted battery pack of electric vehicle - Google Patents
Self-heating system for vehicle-mounted battery pack of electric vehicle Download PDFInfo
- Publication number
- CN110600833A CN110600833A CN201910842997.8A CN201910842997A CN110600833A CN 110600833 A CN110600833 A CN 110600833A CN 201910842997 A CN201910842997 A CN 201910842997A CN 110600833 A CN110600833 A CN 110600833A
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- Prior art keywords
- mos tube
- battery pack
- inductor
- mos
- mos transistor
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 238000004146 energy storage Methods 0.000 claims abstract description 13
- 230000003071 parasitic effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01M10/60—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
- H01M10/637—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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a self-heating system of a vehicle-mounted battery pack of an electric automobile, which comprises a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistor, the inverter comprises an energy storage capacitor, a first MOS (metal oxide semiconductor) tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube is connected with the drain electrode of the second MOS tube and the first inductor, the source electrode of the third MOS tube is connected with the drain electrode of the fourth MOS tube and the second inductor, and the source electrode of the fifth MOS tube is connected with the sixth MOS tube and the third inductor; the invention has the advantages that: by adopting the self-heating method, the existing three-electric system of the electric automobile can be utilized under the condition of not increasing the cost, the volume and other peripheral circuits of the whole automobile, the self-heating effect of the vehicle-mounted battery pack can be efficiently and reliably realized under the low-temperature condition, and the service life and the applicability of the vehicle-mounted battery pack of the electric automobile under the low-temperature condition are improved.
Description
Technical Field
The invention relates to the field of vehicle-mounted batteries, in particular to a self-heating system for a vehicle-mounted battery pack of an electric automobile.
Background
One of the existing battery pack heating modes under the low-temperature condition of the electric automobile is an external heating mode, such as heating by surrounding an electric heating wire, an electric heating film and a heating plate, heating by liquid and introducing the heated liquid into a battery pack for heating, and the like; the other is that a set of battery pulse discharging device or circuit is added outside, an external resistor is heated in the discharging process of the battery, and the battery pack is heated by heat generated by the resistor.
In practical application, a battery pack is heated by an electric heating wire, an electric heating film and a heating plate in a surrounding way, liquid is heated and then introduced into the battery pack to be heated, and the like, and a set of battery pulse discharging device or circuit is added outside the battery pack.
Disclosure of Invention
The invention aims to provide a self-heating system for a vehicle-mounted battery pack of an electric automobile.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a self-heating system of a vehicle-mounted battery pack of an electric automobile is characterized by comprising a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistance, the positive electrode of the battery pack is connected with one end of the internal resistance,
the inverter comprises an energy storage capacitor, a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the other end of the internal resistance is connected with one end of the energy storage capacitor, the other end of the internal resistance is also connected with drain electrodes of the first MOS tube, the third MOS tube and the fifth MOS tube, the other end of the energy storage capacitor and source electrodes of the second MOS tube, the fourth MOS tube and the sixth MOS tube are connected with a negative electrode of the battery pack, the source electrode of the first MOS tube is connected with a drain electrode of the second MOS tube, the source electrode of the third MOS tube is connected with a drain electrode of the fourth MOS tube, the source electrode of the fifth MOS tube is connected with a drain electrode of the sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube and the drain electrode of the second MOS tube are connected with one end of the first inductor, the source electrode of the third MOS tube and the drain electrode of the fourth MOS tube are connected with one end of the second inductor, and the source electrode of the fifth MOS tube and the drain electrode of the sixth MOS tube are connected with one end of the third inductor.
The self-heating system of the vehicle-mounted battery pack of the electric vehicle as claimed in claim 1, wherein a parasitic diode is respectively arranged between the source electrode and the drain electrode of the first MOS transistor, the second MOS transistor, the third MOS transistor, the fourth MOS transistor, the fifth MOS transistor and the sixth MOS transistor.
The invention has the advantages that: in the discharging and charging processes of the battery pack, the internal resistance of the battery pack can generate heat to further heat the battery pack, and the conduction loss of two bridge arms in the IGBT can further heat circulating water of the system.
Drawings
FIG. 1 is an overall connection block diagram of the present invention;
FIG. 2 is a current flow diagram during the discharge of the battery pack according to the present invention;
FIG. 3 is a current flow diagram during the charging process of the battery pack according to the present invention;
fig. 4 is a graph showing simulated current waveforms of IB and IU during charging and discharging of the battery pack according to the present invention.
Reference numerals:
1 battery pack, 2 inverter, 3 motor,
An L-type energy storage capacitor, a S1 first MOS transistor, a S2 second MOS transistor, a S3 third MOS transistor,
S4 fourth MOS transistor, S5 fifth MOS transistor, S6 sixth MOS transistor, R internal resistance,
L1 first inductor, L2 second inductor, L3 third inductor, G battery pack and C energy storage capacitor
A first parasitic diode D1, a second parasitic diode D2, a third parasitic diode D3,
D4 fourth parasitic diode, D5 fifth parasitic diode, D6 sixth parasitic diode,
LU first inductance, LV second inductance, LW third inductance.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a self-heating system of a vehicle-mounted battery pack of an electric automobile, which comprises a battery pack 1, an inverter 2 and a motor 3, wherein the battery pack 1 directly supplies power to the inverter 2, and the inverter 2 converts direct current of the battery pack 1 into alternating current and then supplies the alternating current.
The battery pack 1 comprises a battery pack G and an internal resistor, the positive electrode of the battery pack G is connected with one end of the internal resistor, the inverter 2 comprises an energy storage capacitor C, a first MOS tube S1, a second MOS tube S2, a third MOS tube S3, a fourth MOS tube S4, a fifth MOS tube S5 and a sixth MOS tube S6, and the motor 3 comprises a first inductor LU, a second inductor LV and a third inductor LW.
As shown in fig. 1, the other end of the internal resistance is connected to one end of the energy storage capacitor C, the other end of the internal resistance is further connected to the drains of the first MOS transistor S1, the third MOS transistor S3 and the fifth MOS transistor S5, the other end of the energy storage capacitor C and the sources of the second MOS transistor S2, the fourth MOS transistor S4 and the sixth MOS transistor S6 are all connected with the cathode of the battery G, the source of the first MOS transistor S1 is connected to the drain of the second MOS transistor S2, the source of the third MOS transistor S3 is connected to the drain of the fourth MOS transistor S4, the source of the fifth MOS transistor S5 is connected to the drain of the sixth MOS transistor S6, the source of the first MOS transistor S1 is connected to the drain of the second MOS transistor S2 and one end of the first inductor LU, the source of the third MOS transistor S3 and the drain of the fourth MOS transistor S4 are connected to one end of the second inductor LV, the source of the fifth MOS transistor S5 and the drain of the sixth MOS transistor S6 are connected to one end of the third inductor LW.
A first parasitic diode D1 is arranged between the source and the drain of the first MOS transistor S1, a second parasitic diode D2 is arranged between the source and the drain of the second MOS transistor S2, a second parasitic diode D2 is arranged between the source and the drain of the second MOS transistor S2, a third parasitic diode D3 is arranged between the source and the drain of the third MOS transistor S3, a fourth parasitic diode D4 is arranged between the source and the drain of the fourth MOS transistor S4, a fifth parasitic diode D5 is arranged between the source and the drain of the fifth MOS transistor S5, and a sixth parasitic diode D6 is arranged between the source and the drain of the sixth MOS transistor S6.
The first MOS transistor S1, the second MOS transistor S2, the third MOS transistor S3, the fourth MOS transistor S4, the fifth MOS transistor S5 and the sixth MOS transistor S6 integrally form an IGBT.
As shown in fig. 2, the U-phase upper bridge first MOS transistor S1 and the V-phase lower bridge fourth MOS transistor S4 of the inverter 2 are controlled to be turned on simultaneously, the battery pack 1 and the energy storage capacitor C inside the inverter 2 are discharged through the first MOS transistor S1 → the first inductor LU → the second inductor LV → the fourth MOS transistor S4, the discharge current IB = IU-IC of the battery pack 1, IU = IV, and the magnitudes of IB and IU are determined by the on time of the first MOS transistor S1/the on time of the fourth MOS transistor S4.
As shown in fig. 3, the U-phase upper bridge first MOS transistor S1 and the V-phase lower bridge fourth MOS transistor S4 of the inverter 2 are controlled to be turned on and then turned off simultaneously, because of the pure inductance characteristic of the inductance, the magnitude and direction of the current flowing through the first inductance LU and the second inductance LV do not change abruptly, the current flowing through the inductance of the motor 3 flows through the second parasitic diode D2 → the first inductance LU → the second inductance LV → the third parasitic diode D3 to charge the battery pack 1, and the charging current IB = IU-IC, IU = IV, the magnitudes of IB and IU are determined by = first MOS transistor S1/fourth MOS transistor S4 on-time.
As shown in fig. 4, the simulated current waveform of IB during the charging and discharging process of the battery pack 1 includes an on-time of 100us for the first MOS transistor S1/the fourth MOS transistor S4, a duty ratio of 25%, i.e. an on-time frequency of 2.5KHZ, a maximum discharging current of 180A, and a maximum charging current of 131A.
In the discharging and charging processes of the battery pack 1, the internal resistance R of the battery pack 1 can generate heat, so that the battery pack 1 is heated, the conduction losses of the two bridge arms of the first MOS tube S1 and the fourth MOS tube S4 can further heat circulating water of the system, and 6 paths of MOS tubes of the IGBT can be selected to be combined in pairs at each time of tube opening, so that the bridge arms of the IGBT can generate heat more uniformly in the heating process, and the service life of the IGBT is not influenced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. A self-heating system of a vehicle-mounted battery pack of an electric automobile is characterized by comprising a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistance, the positive electrode of the battery pack is connected with one end of the internal resistance,
the inverter comprises an energy storage capacitor, a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the other end of the internal resistance is connected with one end of the energy storage capacitor, the other end of the internal resistance is also connected with drain electrodes of the first MOS tube, the third MOS tube and the fifth MOS tube, the other end of the energy storage capacitor and source electrodes of the second MOS tube, the fourth MOS tube and the sixth MOS tube are connected with a negative electrode of the battery pack, the source electrode of the first MOS tube is connected with a drain electrode of the second MOS tube, the source electrode of the third MOS tube is connected with a drain electrode of the fourth MOS tube, the source electrode of the fifth MOS tube is connected with a drain electrode of the sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube and the drain electrode of the second MOS tube are connected with one end of the first inductor, the source electrode of the third MOS tube and the drain electrode of the fourth MOS tube are connected with one end of the second inductor, and the source electrode of the fifth MOS tube and the drain electrode of the sixth MOS tube are connected with one end of the third inductor.
2. The self-heating system of the vehicle-mounted battery pack of the electric vehicle as claimed in claim 1, wherein a parasitic diode is respectively arranged between the source electrode and the drain electrode of the first MOS transistor, the second MOS transistor, the third MOS transistor, the fourth MOS transistor, the fifth MOS transistor and the sixth MOS transistor.
Priority Applications (1)
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CN201910842997.8A CN110600833A (en) | 2019-09-06 | 2019-09-06 | Self-heating system for vehicle-mounted battery pack of electric vehicle |
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CN201910842997.8A CN110600833A (en) | 2019-09-06 | 2019-09-06 | Self-heating system for vehicle-mounted battery pack of electric vehicle |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020135733A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery heating system and control method therefor |
CN111660875A (en) * | 2020-06-04 | 2020-09-15 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN112216908A (en) * | 2020-11-13 | 2021-01-12 | 东风柳州汽车有限公司 | Self-heating method and system for lithium ion battery pack |
CN113119801A (en) * | 2019-12-31 | 2021-07-16 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN113363621A (en) * | 2021-06-03 | 2021-09-07 | 大连理工大学 | Electric automobile cold start system based on eddy current heating |
CN113844334A (en) * | 2020-06-28 | 2021-12-28 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060290325A1 (en) * | 2005-06-13 | 2006-12-28 | Ashtiani Cyrus N | Heating of Batteries Using Reactive Power |
CN201752075U (en) * | 2010-03-11 | 2011-02-23 | 深圳市盛弘电气有限公司 | Charge-discharge and energy storage circuit |
CN102668229A (en) * | 2010-07-29 | 2012-09-12 | 松下电器产业株式会社 | Battery temperature elevating circuit and battery temperature elevating device |
CN103560304A (en) * | 2013-11-19 | 2014-02-05 | 东风汽车公司 | Heating control method of power battery pack of electric vehicle |
JP2014072955A (en) * | 2012-09-28 | 2014-04-21 | Toyota Industries Corp | Battery temperature rise controller in electric vehicle |
CN104201732A (en) * | 2014-08-12 | 2014-12-10 | 华南理工大学 | Bi-directional charging-discharging equalization circuit with series connection battery pack consisting of four battery modules |
CN104249629A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle, power system of the same, and charging method of said power system |
CN204289653U (en) * | 2014-11-28 | 2015-04-22 | 富奥汽车零部件股份有限公司 | A kind of heating of battery structure being built in motor driven systems |
CN105932363A (en) * | 2016-05-16 | 2016-09-07 | 北京理工大学 | Power source system self-heating method |
WO2017197629A1 (en) * | 2016-05-19 | 2017-11-23 | 胡炎申 | Current source inverter system and inverter device |
CN107666028A (en) * | 2017-08-16 | 2018-02-06 | 同济大学 | A kind of lithium ion battery for electric vehicle low temperature exchanges heater |
CN109412422A (en) * | 2018-12-12 | 2019-03-01 | 上海伊控动力系统有限公司 | A kind of high pressure power-supply circuit of wide scope input |
CN210468040U (en) * | 2019-09-06 | 2020-05-05 | 上海伊控动力系统有限公司 | Self-heating system for vehicle-mounted battery pack of electric vehicle |
-
2019
- 2019-09-06 CN CN201910842997.8A patent/CN110600833A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060290325A1 (en) * | 2005-06-13 | 2006-12-28 | Ashtiani Cyrus N | Heating of Batteries Using Reactive Power |
CN201752075U (en) * | 2010-03-11 | 2011-02-23 | 深圳市盛弘电气有限公司 | Charge-discharge and energy storage circuit |
CN102668229A (en) * | 2010-07-29 | 2012-09-12 | 松下电器产业株式会社 | Battery temperature elevating circuit and battery temperature elevating device |
JP2014072955A (en) * | 2012-09-28 | 2014-04-21 | Toyota Industries Corp | Battery temperature rise controller in electric vehicle |
CN104249629A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle, power system of the same, and charging method of said power system |
CN103560304A (en) * | 2013-11-19 | 2014-02-05 | 东风汽车公司 | Heating control method of power battery pack of electric vehicle |
CN104201732A (en) * | 2014-08-12 | 2014-12-10 | 华南理工大学 | Bi-directional charging-discharging equalization circuit with series connection battery pack consisting of four battery modules |
CN204289653U (en) * | 2014-11-28 | 2015-04-22 | 富奥汽车零部件股份有限公司 | A kind of heating of battery structure being built in motor driven systems |
CN105932363A (en) * | 2016-05-16 | 2016-09-07 | 北京理工大学 | Power source system self-heating method |
WO2017197629A1 (en) * | 2016-05-19 | 2017-11-23 | 胡炎申 | Current source inverter system and inverter device |
CN107666028A (en) * | 2017-08-16 | 2018-02-06 | 同济大学 | A kind of lithium ion battery for electric vehicle low temperature exchanges heater |
CN109412422A (en) * | 2018-12-12 | 2019-03-01 | 上海伊控动力系统有限公司 | A kind of high pressure power-supply circuit of wide scope input |
CN210468040U (en) * | 2019-09-06 | 2020-05-05 | 上海伊控动力系统有限公司 | Self-heating system for vehicle-mounted battery pack of electric vehicle |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020135733A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery heating system and control method therefor |
US10780795B2 (en) | 2018-12-29 | 2020-09-22 | Contemporary Amperex Technology Co., Limited | Battery heating system and control method thereof |
CN113119801A (en) * | 2019-12-31 | 2021-07-16 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN113119801B (en) * | 2019-12-31 | 2023-12-12 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN111660875A (en) * | 2020-06-04 | 2020-09-15 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN111660875B (en) * | 2020-06-04 | 2021-04-20 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN113844334A (en) * | 2020-06-28 | 2021-12-28 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN113844334B (en) * | 2020-06-28 | 2024-05-07 | 比亚迪股份有限公司 | Vehicle, energy conversion device, and control method therefor |
CN112216908A (en) * | 2020-11-13 | 2021-01-12 | 东风柳州汽车有限公司 | Self-heating method and system for lithium ion battery pack |
CN113363621A (en) * | 2021-06-03 | 2021-09-07 | 大连理工大学 | Electric automobile cold start system based on eddy current heating |
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Effective date of registration: 20220303 Address after: No. 1088, Xinxing Third Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province, 314201 Applicant after: ZHEJIANG YIKONG POWER SYSTEM Co.,Ltd. Address before: 201804 Room 201, unit 3, building 5, Lane 56, Antuo Road, Anting Town, Jiading District, Shanghai Applicant before: SHANGHAI YIKONG POWER SYSTEM Co.,Ltd. |