CN111584971A - Power battery thermal management system - Google Patents
Power battery thermal management system Download PDFInfo
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- CN111584971A CN111584971A CN202010340293.3A CN202010340293A CN111584971A CN 111584971 A CN111584971 A CN 111584971A CN 202010340293 A CN202010340293 A CN 202010340293A CN 111584971 A CN111584971 A CN 111584971A
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- peltier
- management system
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- 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
- H01M10/613—Cooling or keeping cold
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
-
- 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
- H01M10/6572—Peltier elements or thermoelectric devices
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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
- H02J7/0014—Circuits for equalisation of charge between batteries
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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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
- 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)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a power battery thermal management system. The battery management system comprises a single battery cell, a battery management module, a DC/DC module and a Peltier patch, wherein the anode and the cathode of the single battery cell are connected with the output end of the DC/DC module, and two ends of the Peltier patch are connected with the control end of the battery management system; the battery management system is used for controlling the Peltier patch to heat when the temperature of the single battery cell is detected to be lower than a first set value, controlling the Peltier patch to refrigerate when the temperature of the single battery cell is detected to be higher than a second set value, and controlling the DC/DC module to convert and output voltage to the single battery cell when the voltage generated at two ends of the Peltier patch is detected. According to the invention, the heat management system with the Peltier effect is additionally arranged in the lithium ion power battery pack, so that the reliability, the refrigeration or heating effect and the energy efficiency of the lithium ion power battery pack are improved compared with those of the prior art, the defects of the lithium ion battery pack in environmental adaptability, service life and energy density characteristics can be effectively filled, and the balanced energy consumption is effectively reduced.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a power battery thermal management system.
Background
The electric automobile is an effective way to solve the energy and pollution problems faced by automobile transportation, and a hybrid power or pure electric automobile using electric energy as a power source represents the future development direction of the automobile industry. At present, energy storage equipment of an electric automobile is mainly a lithium ion power battery pack, and the lithium ion battery pack has the defects of environmental adaptability, service life and energy density characteristics, so that the further popularization and application of the lithium ion battery pack are limited. In order to solve the above defects, the prior art adds a battery pack heating or cooling system using liquid or air as a medium in a lithium ion battery pack, but the reliability, heat dissipation or heating effect, and energy efficiency of the battery pack have corresponding defects.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provide a power battery thermal management system.
The technical scheme adopted by the invention is as follows: a power battery thermal management system comprises a single battery cell, a battery management module, a DC/DC module and a Peltier patch, wherein the anode and the cathode of the single battery cell are connected with the output end of the DC/DC module, the input end of the DC/DC module is connected with the control end of the battery management module, one side surface of the Peltier patch is fixed on the heat dissipation surface of the single battery cell, and two ends of a power supply of the Peltier patch are connected with the control end of the battery management system;
the battery management system is used for controlling the Peltier patch to heat when detecting that the temperature of the single battery core is lower than a first set value; or the battery management system is used for controlling the Peltier patch to refrigerate when detecting that the temperature of the single battery core is higher than a second set value; or the battery management system is used for controlling the DC/DC module to convert and output the voltage to the single battery cell when detecting that the voltage is generated at the two ends of the Peltier patch.
Furthermore, an H-bridge circuit composed of four switch tubes is arranged in the battery management module, one end of a power supply of the Peltier patch is connected with the middle of one bridge arm of the H-bridge circuit through a first switch, the other end of the power supply of the Peltier patch is connected with the middle of one bridge arm of the H-bridge circuit, and the battery management module controls the refrigerating or heating of the Peltier patch by controlling the conduction sequence of the four switch tubes and the closing of the first switch.
Further, a second switch is arranged between the anode or the cathode of the Peltier patch and the output end of the DC/DC module, and when the battery management module detects that voltages are generated at two ends of the Peltier patch, the generated voltages are transmitted to the input end of the DC/DC module to realize voltage conversion by controlling the first switch to be switched off and the second switch to be switched on.
Furthermore, the single battery cells are provided with a plurality of single battery cells which are connected in series, the positive poles and the negative poles of the single battery cells are connected to the output end of the DC/DC module, and each single battery cell is fixed with a Peltier paster.
Furthermore, be equipped with the soaking piece between monomer electric core and the paster of Peltier, two sides of soaking piece are hugged closely fixedly with monomer electric core and paster of Peltier respectively, the soaking piece is used for realizing the even transmission of temperature between monomer electric core and the paster of Peltier.
Still further, the heat radiator is further included, and the heat radiator is fixed to the other side face of the Peltier patch.
According to the invention, the heat management system with the Peltier effect is additionally arranged in the lithium ion power battery pack, so that the reliability, the refrigeration or heating effect and the energy efficiency of the lithium ion power battery pack are improved compared with those of the prior art, the defects of the lithium ion battery pack in environmental adaptability, service life and energy density characteristics can be effectively filled, and the balanced energy consumption is effectively reduced.
Drawings
Fig. 1 is a diagram of a battery thermal management system architecture according to the present invention.
Fig. 2 is a diagram of battery thermal management and cell assembly according to the present invention.
Fig. 3 is a schematic diagram of battery thermal management and cell assembly explosion according to the present invention.
Fig. 4 is a control schematic diagram of the battery thermal management system of the present invention.
Fig. 5 is a schematic diagram of the H-bridge circuit control in the battery management system of the present invention.
FIG. 6 is a schematic diagram of a thermal management system embodiment of the present invention.
Figure 7 is a schematic cooling diagram of a thermal management system arrangement of the present invention.
Fig. 8 is a schematic diagram of a cell balanced charging principle of the thermal management system according to the present invention.
In the figure: 1-a single cell; 2-soaking slices; 3-Peltier patch; 4-a battery management module; 5-DC/DC module; 6-a radiator; 7-a first switch; 8-second switch.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 5, the present invention provides a thermal management system for a power battery, including: a single cell 12, a heat spreader, a peltier patch 3, a battery management module (BMS)4, a DC/DC module 5, and a heat sink 6. The single battery cell 1 is an energy storage unit for providing electric energy for the new energy whole vehicle and is a heating and to-be-heated unit; the soaking piece 2 is a part which can realize uniform heat exchange of the single battery cell; the Peltier patch 3 is a cold-heat conversion unit, converts electric energy into heat to realize cooling and heating of the battery core, and is characterized in that when a power supply is connected in the positive direction, the Peltier patch is tightly attached to the side of the battery core for cooling and is close to the side of the radiator 6 for heating; when the power supply is reversely connected, the electric heater can heat the electric core side and refrigerate the side close to the radiator 6. The DC/DC module 5 is bidirectional DC/DC, the output voltage is 0-16V, and the output voltage and the power are controlled by the battery management module 4.
The Peltier patch 3 has the functions that when a power supply is positively connected, the Peltier patch is used for cooling a power battery, and when the power supply is reversely connected, the Peltier patch is used for heating the battery, and is characterized in that power can be generated when the temperature difference of the battery is large, and the Peltier patch is used for balancing the battery or storing energy; the Peltier patch power supply is used for transferring patch heating or refrigerating power supplies, and can also be used for storing electric quantity when the temperature difference of the battery is large. The controller is used for battery, energy and signal management communication.
The Peltier paster 3 is arranged on a radiating surface at the bottom of the single battery cell 1 and can also be arranged on a radiating surface at the side, a heat equalizing sheet 2 is arranged between the single battery cell 1 and the Peltier paster 3, the purpose is to enable the temperature between the single battery cell 1 and the Peltier paster 3 to be uniformly transmitted, a radiator 6 is tightly attached to the other side of the Peltier paster 3, the radiator 6 is used for transferring heat generated at the back of the Peltier paster, and a fan or a liquid forced convection heat exchange unit for forced convection can be optionally matched. A plurality of Peltier patches can be arranged on one single battery cell and distributed on a plurality of heat dissipation surfaces.
The circuit in the battery management module 4 comprises a plurality of H-bridge circuits and a plurality of first switches 7 for controlling the Peltier patches 3, and can be used for thermal management control in an energy storage system formed by connecting a plurality of single battery cores 1 in series and in parallel, when the switches or power supply is controlled by the battery management module in the energy storage system formed by the plurality of single battery cores 1, directional heating or refrigeration can be effectively realized by selectively controlling overhigh or overlow temperature of the single battery cores, and integral heating or refrigeration can also be realized in the working process of the energy storage system; in the working process of the energy storage system, when the battery core generates heat to enable the inner side and the outer side of the Peltier patch to generate temperature difference, the power can be generated through the Peltier patch, and the generated power is fed back to the unbalanced monomer battery core 1 through controlling the second switch 8 in the DC/DC module 5.
The power supply control circuit of the Peltier patch 3 is used for switching the power supply polarity by a typical H-bridge circuit for heating and cooling the Peltier patch, and the H-bridge circuit is composed of four switching tubes Q1-Q4. When the temperature difference between the inner side and the outer side of the Peltier patch 3 is large, corresponding voltage can be generated at AB power ports on the two sides of the Peltier patch 3, and the battery management module 4 detects that when the voltage reaches a preset reasonable value, the DC/DC module 5 is started, and the single battery cell under voltage is selected to be charged. Meanwhile, the battery management module can selectively heat or refrigerate the single battery cell according to the temperature of the single battery cell in the working process of the battery pack.
As shown in fig. 6, 7 and 8, which are specific implementation examples of the operation mode of the thermal management system, the thermal management system of the present invention preferentially meets the requirement of cooling and heating the battery cells, and when the battery cells do not need to be thermally managed, the BMS controls the DC/DC module 5 to discharge according to the difference between the internal and external temperatures of the peltier patch 3, so as to supplement power to the battery cells with low voltage.
As shown in fig. 6 and 7, when the BMS detects that the temperature of the individual cell is too high or too low, the thermal management system needs to be started to cool or heat the individual cell, at this time, a current loop in the BMS control circuit is turned on, the DC/DC control loop is turned off, that is, the first switch 7 is turned on, and the second switch 8 is turned off. Make the electric current give peltier paster 3 for, the heating process is as shown in fig. 6, the BMS is through the break-make of control internal circuit, control first switch 7 closure promptly, realize that the electric current is as shown the route of arrow in the picture (by A → B) through peltier paster, according to its theory of operation, the part release heat of battery module cooling surface is pressed close to peltier paster this moment, evenly conducts the heat to whole battery module bottom cooling surface through the soaking paster to reach the effect of heating the battery module.
The cooling process is as shown in fig. 7, the BMS controls the internal current to realize that the current passes through the peltier patch (B → a) along the arrow path shown in the drawing, when the current is opposite to the path of fig. 6, the peltier patch absorbs heat at the portion close to the heat dissipation surface of the battery module, absorbs heat from the bottom of the battery module through the soaking plate and releases the heat through the other surface of the patch, thereby realizing the cooling effect on the battery module.
As shown in fig. 8, when the difference in temperature between the inside and the outside of the peltier patch is large, voltage can be generated at the port A, B, when the BMS detects the voltage value, the voltage can be adjusted by controlling the DC/DC module to be output after adapting to the charging voltage of the monomer battery cells, at this time, the first switch is controlled to be opened and the second switch is controlled to be closed, the two ends of the power supply of the peltier patch and the input end of the DC/DC module are connected in series to form a loop, the current is supplied to the monomer battery cells with slightly low voltage in the battery pack for electricity compensation, the active equalization effect of the battery is realized, the energy utilization rate of the battery system can be greatly improved, the voltage difference of the battery cells in the battery is reduced by the electricity compensation mode.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (6)
1. The power battery thermal management system is characterized in that: the battery management system comprises a single battery cell, a battery management module, a DC/DC module and a Peltier patch, wherein the anode and the cathode of the single battery cell are connected with the output end of the DC/DC module, the input end of the DC/DC module is connected with the control end of the battery management module, one side surface of the Peltier patch is fixed on the heat dissipation surface of the single battery cell, and two ends of a power supply of the Peltier patch are connected with the control end of the battery management system;
the battery management system is used for controlling the Peltier patch to heat when detecting that the temperature of the single battery core is lower than a first set value; or the battery management system is used for controlling the Peltier patch to refrigerate when detecting that the temperature of the single battery core is higher than a second set value; or the battery management system is used for controlling the DC/DC module to convert and output the voltage to the single battery cell when detecting that the voltage is generated at the two ends of the Peltier patch.
2. The power battery thermal management system of claim 1, wherein: an H-bridge circuit composed of four switch tubes is arranged in the battery management module, one end of a power supply of the Peltier patch is connected with the middle of one bridge arm of the H-bridge circuit through a first switch, the other end of the power supply of the Peltier patch is connected with the middle of one bridge arm of the H-bridge circuit, and the battery management module controls the cooling or heating of the Peltier patch by controlling the conduction sequence of the four switch tubes and the closing of the first switch.
3. The power battery thermal management system of claim 2, wherein: and when the battery management module detects that voltages are generated at two ends of the Peltier patch, the first switch is controlled to be switched off, and the second switch is controlled to be switched on to transmit the generated voltages to the input end of the DC/DC module so as to realize voltage conversion.
4. The power battery thermal management system of claim 1, wherein: the single battery cell is provided with a plurality of single battery cells which are connected in series, the positive poles and the negative poles of the single battery cells are connected to the output end of the DC/DC module, and each single battery cell is fixed with a Peltier paster.
5. The power battery thermal management system of claim 1, wherein: the device is characterized in that a soaking plate is arranged between the single battery cell and the Peltier paster, two side faces of the soaking plate are respectively clung to and fixed with the single battery cell and the Peltier paster, and the soaking plate is used for realizing uniform temperature transmission between the single battery cell and the Peltier paster.
6. The power battery thermal management system of claim 1, wherein: the patch further comprises a radiator, and the radiator is fixed to the other side face of the Peltier patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340293.3A CN111584971A (en) | 2020-04-26 | 2020-04-26 | Power battery thermal management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340293.3A CN111584971A (en) | 2020-04-26 | 2020-04-26 | Power battery thermal management system |
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| CN111584971A true CN111584971A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010340293.3A Pending CN111584971A (en) | 2020-04-26 | 2020-04-26 | Power battery thermal management system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687981A (en) * | 2020-12-25 | 2021-04-20 | 浙江爱特新能源汽车有限公司 | Power battery temperature control system and method |
| CN112721735A (en) * | 2020-12-30 | 2021-04-30 | 上海汽车集团股份有限公司 | Intelligent thermal management control method and control system for power battery |
| WO2024046412A1 (en) * | 2022-08-31 | 2024-03-07 | 比亚迪股份有限公司 | Battery management system, electric device, and vehicle |
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| JPH11176487A (en) * | 1997-12-10 | 1999-07-02 | Nissan Motor Co Ltd | Electric vehicle battery temperature-adjusting device and adjusting method |
| FR2903057A1 (en) * | 2006-06-30 | 2008-01-04 | Valeo Equip Electr Moteur | Electric power supply device for e.g. alternator-starter of motor vehicle, has single housing, whose lower part has lower cooling unit cooling super-capacitor, where cooling unit has Peltier effect thermoelectric cell that is thin |
| CN202474144U (en) * | 2012-03-23 | 2012-10-03 | 合普新能源科技有限公司 | Cooling-heating device for power car battery system |
| CN103780158A (en) * | 2014-01-21 | 2014-05-07 | 中国矿业大学 | Power battery waste-heat utilization device of electric vehicle |
| CN205028983U (en) * | 2015-09-24 | 2016-02-10 | 北汽福田汽车股份有限公司 | Power battery and car that has it |
| CN107844137A (en) * | 2017-09-20 | 2018-03-27 | 无锡亮源激光技术有限公司 | A kind of SCM Based temperature automatically controlled drive circuit |
| CN108155437A (en) * | 2018-01-30 | 2018-06-12 | 上海加冷松芝汽车空调股份有限公司 | Electric automobile power battery liquid cooling plate |
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2020
- 2020-04-26 CN CN202010340293.3A patent/CN111584971A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11176487A (en) * | 1997-12-10 | 1999-07-02 | Nissan Motor Co Ltd | Electric vehicle battery temperature-adjusting device and adjusting method |
| FR2903057A1 (en) * | 2006-06-30 | 2008-01-04 | Valeo Equip Electr Moteur | Electric power supply device for e.g. alternator-starter of motor vehicle, has single housing, whose lower part has lower cooling unit cooling super-capacitor, where cooling unit has Peltier effect thermoelectric cell that is thin |
| CN202474144U (en) * | 2012-03-23 | 2012-10-03 | 合普新能源科技有限公司 | Cooling-heating device for power car battery system |
| CN103780158A (en) * | 2014-01-21 | 2014-05-07 | 中国矿业大学 | Power battery waste-heat utilization device of electric vehicle |
| CN205028983U (en) * | 2015-09-24 | 2016-02-10 | 北汽福田汽车股份有限公司 | Power battery and car that has it |
| CN107844137A (en) * | 2017-09-20 | 2018-03-27 | 无锡亮源激光技术有限公司 | A kind of SCM Based temperature automatically controlled drive circuit |
| CN108155437A (en) * | 2018-01-30 | 2018-06-12 | 上海加冷松芝汽车空调股份有限公司 | Electric automobile power battery liquid cooling plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687981A (en) * | 2020-12-25 | 2021-04-20 | 浙江爱特新能源汽车有限公司 | Power battery temperature control system and method |
| CN112721735A (en) * | 2020-12-30 | 2021-04-30 | 上海汽车集团股份有限公司 | Intelligent thermal management control method and control system for power battery |
| WO2024046412A1 (en) * | 2022-08-31 | 2024-03-07 | 比亚迪股份有限公司 | Battery management system, electric device, and vehicle |
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Application publication date: 20200825 |
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