CN108666495A - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
- Publication number
- CN108666495A CN108666495A CN201810854276.4A CN201810854276A CN108666495A CN 108666495 A CN108666495 A CN 108666495A CN 201810854276 A CN201810854276 A CN 201810854276A CN 108666495 A CN108666495 A CN 108666495A
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature threshold
- battery modules
- heat carrier
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/65—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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention discloses a kind of battery pack, battery case and thermal cycle component including battery modules, the accommodating battery modules, full of heat carrier made of phase-change material between the battery modules and the battery case, the thermal cycle component includes refrigerator, heater, water pump and the pipeline that the refrigerator, heater are connected to water pump and are circulated for circulatory mediator, and a part for the pipeline passes through the battery case and is embedded in the heat carrier, another part is located at outside the battery case to be connected to the refrigerator, heater and water pump；The beneficial effects of the present invention are：Battery modules are heated with heat-dissipating pipe or are freezed by using radiator package battery modules made of shape-changing material, the temperature change of battery modules is smaller, it is played conducive to the performance of battery modules, and it is simple in structure conducive to reduction production cost, radiator can also play damping simultaneously, improve the reliability of battery modules.
Description
【Technical field】
The present invention relates to battery technology fields, are specifically related to a kind of battery pack.
【Background technology】
As constantly consuming for non-renewable resources is increasingly prominent with environmental problem, electric vehicle develops very in recent years
Rapidly.The core of electric vehicle is the battery pack as power source, and battery pack is made up in groups of a large amount of lithium ion batteries, to obtain
Enough power drives electric vehicle to travel.However, lithium ion battery is higher to temperature requirement, too low or excessively high temperature electricity
The influence in pond is all larger, therefore essential into trip temperature control to battery pack.Current battery packet in inside by being arranged air duct
Either water channel that lithium ion battery is directly cooled down or heated up, and causes the temperature fluctuation of lithium ion battery larger, seriously affects
The performance of battery pack.
In consideration of it, it is really necessary to provide a kind of battery pack with overcome the deficiencies in the prior art.
【Invention content】
The object of the present invention is to provide a kind of battery packs, it is intended to control electricity by the combination of phase-change material and liquid cooling mode
The temperature of pond module.
To achieve the goals above, a kind of battery pack of present invention offer, including battery modules, the accommodating battery modules
Battery case and thermal cycle component, it is described full of heat carrier made of phase-change material between the battery modules and the battery case
Thermal cycle component includes refrigerator, heater, water pump and is connected to the refrigerator, heater with water pump and is followed for circulatory mediator
The dynamic pipeline of circulation, and a part for the pipeline passes through the battery case and is embedded in the heat carrier, another part position
In being connected to the refrigerator, heater and water pump outside the battery case.
In a preferred embodiment, the heat carrier is made of paraffin.
In a preferred embodiment, the thermal cycle component further includes and heat pipe, refrigerator, heater and water pump
The control unit of electrical connection is for controlling being turned on and off for refrigerator, heater and water pump.
In a preferred embodiment, be set in described control unit the first temperature threshold, second temperature threshold value with
Third temperature threshold, the first temperature threshold, second temperature threshold value and the size of third temperature threshold are sequentially increased, and the heat conduction
The phase transition temperature of body is between second temperature threshold value and third temperature threshold.
In a preferred embodiment, the phase transition temperature of the heat carrier is 38 DEG C, the first temperature threshold setting
It it is 0 DEG C, the second temperature threshold value is set as 35 DEG C, and the third temperature threshold is set as 50 DEG C.
In a preferred embodiment, the surface of the battery modules is equipped with the temperature being electrically connected with control unit and passes
Sensor is to detect the temperature of heat carrier and battery modules.
In a preferred embodiment, the temperature sensor works according to the following steps with control unit：
S1：Whether the temperature sensor detection battery modules and the temperature of heat carrier are less than the first temperature threshold,
If the testing result of the temperature sensor is less than the first temperature threshold, described control unit starts water
Pump carries out heating until after the temperature rise to the first temperature threshold of battery modules with heater to heat carrier
It is stopped, it is corresponding, if the testing result of the temperature sensor is more than the first temperature threshold,
Described control unit does not work then；
S2：Whether the temperature sensor detection battery modules and the temperature of heat carrier are up to or over third
Temperature threshold, if the testing result of the temperature sensor is equal to or more than third temperature threshold, institute
It states control unit and then starts water pump and cool down to heat carrier with refrigerator；
S3：Whether the temperature sensor detection battery modules and the temperature of heat carrier are less than second temperature threshold value,
If the testing result of the temperature sensor is equal to or less than second temperature threshold value, described control unit
It then switches off the pump and refrigerator, until the testing result of the temperature sensor is equal to or more than third
Step S2 is carried out when temperature threshold.
In a preferred embodiment, the battery case includes roof, bottom wall and the connection roof and the bottom wall
Side wall, the heat carrier is filled between the roof, bottom wall and side wall and battery modules.
In a preferred embodiment, the pipeline passes through the side wall of the battery case.
Compared with prior art, the advantageous effect of battery pack provided by the invention is：It is made by using shape-changing material
Heat carrier package battery modules battery modules are heated with pipeline or are freezed, the temperature changes of battery modules compared with
Small, the performance for being conducive to battery modules plays, and simple in structure conducive to reduction production cost, while heat carrier can also play the work of damping
With improving the reliability of battery modules.
【Description of the drawings】
Fig. 1 is the sectional view of battery pack provided by the invention；
Fig. 2 is thermal cycle component shown in Fig. 1 and heat carrier and the functional block diagram of battery modules.
【Specific implementation mode】
It is clear in order to make the purpose of the present invention, technical solution and advantageous effects be more clear, below in conjunction with attached drawing and
Specific implementation mode, the present invention will be described in further detail.It should be understood that specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
The present invention provides a kind of battery pack 100.
It please refers to Fig.1 and Fig. 2, in an embodiment of the present invention, the battery pack 100 includes battery modules 10, accommodating institute
State the battery case 20 and thermal cycle component 30 of battery modules 10.Specifically, between the battery modules 10 and the battery case 20
Full of heat carrier 40, the heat carrier 40 is made of phase-change material, it should be noted that, phase-change material refers to temperature-resistant
In the case of change state of matter and the substance of latent heat can be provided, i.e., phase-change material can be absorbed when undergoing phase transition or be released largely
Heat.The thermal cycle component 30 includes refrigerator 301, heater 302, water pump 303 and by the refrigerator 301, heater
302 are connected to water pump 303 and for the pipeline 304 that circulatory mediator circulates, and a part for the pipeline 304 passes through the electricity
Pond case is simultaneously embedded in the heat carrier 40, and another part is located at outside the battery case 10 and the refrigerator 301, heater
302 and water pump 303 be connected to, wherein 303 drive circulation medium of water pump circulates in pipeline 304, refrigerator 301 for pair
Circulatory mediator freezes to absorb the heat on heat carrier 40, and heater 302 is used to heat with will be hot circulatory mediator
Amount is transmitted on heat carrier 40.
Battery pack 100 according to the ... of the embodiment of the present invention, it is to be understood that thermal cycle component 30 passes through 40 come pairs of heat carrier
Battery modules 10 are cooled down or are heated, to be located at the best effort temperature of battery modules 10 when the phase transition temperature of heat carrier 40
When spending in range, according to the characteristic of phase-change material, heat carrier 40 can absorb the generation of battery modules 10 when undergoing phase transition
Heat distributes heat in battery modules 10, to slow down temperature change of the battery modules 10 under optimum performance state,
Temperature change, which can be reduced, influences the performance of battery modules 10, improves the performance of battery modules 10.Meanwhile heat carrier 40 wraps up
Battery modules 10 can also play the role of damping, buffering with pipeline 304, and the electrical connection of battery modules 10 can be prevented because of vibrations
It generates and loosens with pipeline 304 because vibrations appearance is damaged, improve the reliability of battery pack 100.
In certain embodiments, the battery case 20 include roof 201, bottom wall 202 and the connection roof 201 with it is described
The side wall 203 of bottom wall 202, the heat carrier 40 be filled in the roof 201, bottom wall 202 and side wall 203 and battery modules 10 it
Between, also that is, the roof 201, bottom wall 202 and side wall 203, which enclose, sets the receiving cavity to form set battery module 10, and the electricity
Pond module 10 is spaced setting in favor of filling heat carrier 40 also between the roof 201, bottom wall 202 and side wall 203, conveniently leads
Hot body 40 wraps up battery modules 10.
In certain embodiments, the thermal cycle component 30 further includes and 303 electricity of refrigerator 301, heater 302 and water pump
The control unit 305 of connection, described control unit 305 is for controlling opening for the refrigerator 301, heater 302 and water pump 303
It opens or closes.In the present embodiment, described control unit 305 is microcontroller and is installed in the outside of the battery case 20.
Further, in one embodiment, the surface of the battery modules 10 is equipped at least one single with the control
The temperature sensor 101 that member 305 is electrically connected, the temperature sensor 101 for detecting battery modules 10 and heat carrier in real time
40 temperature, described control unit 305 are heated or are made to heat carrier 40 according to the testing result of temperature sensor 101
It is cold, the temperature of heat carrier 40 is maintained in certain temperature range, to which battery modules 10 are placed in corresponding temperature ring
Within the border.Specifically, the first temperature threshold, second temperature threshold value and third temperature threshold are set in described control unit 305, the
One temperature threshold, second temperature threshold value and the size of third temperature threshold are sequentially increased, and the phase transition temperature of heat carrier 40 is located at
Between second temperature threshold value and third temperature threshold.
Temperature sensor 101 works the battery pack 100 according to the following steps with control unit 305 when in use：
S1：Battery pack 100 starts, and temperature sensor 101 detects battery modules 10 and whether the temperature of heat carrier 40 is less than
First temperature threshold, if the testing result of the temperature sensor 101 is less than the first temperature threshold, described control unit 305
Start water pump 303 and heater 302 and heating is carried out to heat carrier 40 until the temperature rise of battery modules 10 is to the first temperature threshold
It is stopped after value, it is corresponding, if the testing result of the temperature sensor 101 is more than the first temperature threshold, the control
Unit 305 processed does not work then, and battery modules 10, which will produce heat, causes temperature to increase.
S2：Whether the temperature sensor 101 detects the temperature of battery modules 10 and heat carrier 40 up to or over the
Three temperature thresholds, if the testing result of the temperature sensor 101 is equal to or more than third temperature threshold, described control unit
305 start water pump 303 with refrigerator 301 to cool down to heat carrier 40 to reduce the temperature of battery modules 10.
S3：The temperature sensor 101 detects battery modules 10 and whether the temperature of heat carrier 40 is less than second temperature threshold
Value, if the testing result of the temperature sensor 101 is equal to or less than second temperature threshold value, described control unit 305 is closed
Water pump 303 is closed with refrigerator 301 to stop cooling down to heat carrier 40, battery modules 10, which will produce heat, leads to temperature liter
Height, until the testing result of temperature sensor 101 carries out step S2 when being equal to or more than third temperature threshold.
Further, in more specifically one embodiment, heat carrier 40 is made of paraffin, phase transition temperature 38
DEG C, the first temperature threshold is set as 0 DEG C, and second temperature threshold value is set as 35 DEG C, and third temperature threshold is set as 50 DEG C, passes through institute
State temperature control of the working condition by heat carrier 40 that control unit 305 controls the refrigerator 301, heater 302 and water pump 303
System can facilitate the performance of battery modules 10 to play, improve performance and the service life of battery pack between 35 DEG C and 50 DEG C.Meanwhile
The density of paraffin is smaller, can reduce the weight of battery pack 100, improves the energy density of battery pack 100, and then improve battery pack
100 performance.
Battery pack 100 of the present invention wraps up battery modules 10 and pipeline 304 by using heat carrier made of phase-change material 40
Battery modules 10 are heated or freezed, the temperature change of battery modules 10 is smaller, is conducive to the performance of battery modules 10
It plays, and simple in structure conducive to reduction production cost, while heat carrier 40 can also play damping, improve battery modules 10
Reliability.
The present invention is not only in the description and the implementation described, therefore for the personnel of familiar field
Other advantage and modification is easily implemented, therefore in the essence without departing substantially from universal defined by claim and equivalency range
In the case of refreshing and range, the present invention is not limited to specific details, representative equipment and diagrams shown and described herein
Example.
Claims (9)
1. a kind of battery pack, including battery modules, the battery case of the accommodating battery modules and thermal cycle component, feature exist
In full of heat carrier made of phase-change material between the battery modules and the battery case, the thermal cycle component includes system
Cooler, heater, water pump and the refrigerator, heater are connected to water pump and for the pipeline that circulatory mediator circulates, and
A part for the pipeline is passed through and the battery case and is embedded in the heat carrier, another part be located at the battery case it is outer and
The refrigerator, heater and water pump connection.
2. battery pack as described in claim 1, which is characterized in that the heat carrier is made of paraffin.
3. battery pack as described in claim 1, which is characterized in that the thermal cycle component further include with heat pipe, refrigerator, plus
Hot device is with the control unit of water pump being electrically connected for controlling being turned on and off for refrigerator, heater and water pump.
4. battery pack as claimed in claim 3, which is characterized in that be set with the first temperature threshold, in described control unit
Two temperature thresholds and third temperature threshold, the first temperature threshold, second temperature threshold value and the size of third temperature threshold increase successively
Greatly, and the phase transition temperature of the heat carrier is between second temperature threshold value and third temperature threshold.
5. battery pack as claimed in claim 4, which is characterized in that the phase transition temperature of the heat carrier be 38 DEG C, described first
Temperature threshold is set as 0 DEG C, and the second temperature threshold value is set as 35 DEG C, and the third temperature threshold is set as 50 DEG C.
6. battery pack as claimed in claim 5, which is characterized in that the surface of the battery modules is equipped with electrical with control unit
The temperature sensor of connection is to detect the temperature of heat carrier and battery modules.
7. battery pack as claimed in claim 6, which is characterized in that the temperature sensor and control unit according to the following steps into
Row work：
S1：Whether the temperature sensor detection battery modules and the temperature of heat carrier are less than the first temperature threshold, if the temperature
The testing result for spending sensor is less than the first temperature threshold, and described control unit then starts water pump and carried out to heat carrier with heater
Heating is stopped after the temperature rise to the first temperature threshold of battery modules, corresponding, if the temperature sensor
Testing result be more than the first temperature threshold when, described control unit does not work then；
S2：Temperature sensor detection battery modules and the temperature of heat carrier whether up to or over third temperature threshold,
If the testing result of the temperature sensor is equal to or more than third temperature threshold, described control unit starts water pump and system
Cooler cools down to heat carrier；
S3：Whether the temperature sensor detection battery modules and the temperature of heat carrier are less than second temperature threshold value, if the temperature
The testing result for spending sensor is equal to or less than second temperature threshold value, and described control unit then switches off the pump and refrigerator, directly
Step S2 is carried out when extremely the testing result of the temperature sensor is equal to or more than third temperature threshold.
8. battery pack as described in claim 1, which is characterized in that the battery case includes roof, bottom wall and the connection top
The side wall of wall and the bottom wall, the heat carrier are filled between the roof, bottom wall and side wall and battery modules.
9. battery pack as claimed in claim 8, which is characterized in that the pipeline passes through the side wall of the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854276.4A CN108666495A (en) | 2018-07-30 | 2018-07-30 | A kind of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854276.4A CN108666495A (en) | 2018-07-30 | 2018-07-30 | A kind of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108666495A true CN108666495A (en) | 2018-10-16 |
Family
ID=63788831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810854276.4A Pending CN108666495A (en) | 2018-07-30 | 2018-07-30 | A kind of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666495A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888429A (en) * | 2019-01-11 | 2019-06-14 | 南京航空航天大学 | A kind of negative poisson's ratio anticollision temperature control integration battery system and its control method |
| CN111146380A (en) * | 2018-11-05 | 2020-05-12 | 奥动新能源汽车科技有限公司 | Power battery box and control method for liquid cooling circulation of power battery box |
| WO2020168463A1 (en) * | 2019-02-19 | 2020-08-27 | 黄彦喆 | Battery |
-
2018
- 2018-07-30 CN CN201810854276.4A patent/CN108666495A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146380A (en) * | 2018-11-05 | 2020-05-12 | 奥动新能源汽车科技有限公司 | Power battery box and control method for liquid cooling circulation of power battery box |
| CN109888429A (en) * | 2019-01-11 | 2019-06-14 | 南京航空航天大学 | A kind of negative poisson's ratio anticollision temperature control integration battery system and its control method |
| WO2020168463A1 (en) * | 2019-02-19 | 2020-08-27 | 黄彦喆 | Battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108767361B (en) | System and method for managing heat of outdoor battery | |
| CN207651633U (en) | A kind of heat management coupled system of dynamic lithium battery group | |
| CN207938756U (en) | Battery pack heat management module | |
| CN106450572A (en) | System and method for partitioned heat management based on lithium ion battery pack | |
| CN108666495A (en) | A kind of battery pack | |
| CN105958155A (en) | Phase-change material energy-storage based cooling method and apparatus for power battery | |
| CN109361036A (en) | A kind of energy-efficient battery modules heat management device | |
| CN108682919A (en) | A kind of system and method for the Li-ion batteries piles heat management based on phase-change microcapsule suspension | |
| CN108777336A (en) | Lithium battery pack heat management system | |
| CN106567769A (en) | Vehicle engine thermal management system and method based on thermoelectric generation technology | |
| CN207441816U (en) | A kind of ultralow temperature lithium battery assembling shell | |
| CN106784516B (en) | Automobile battery module and control method and control device thereof | |
| CN111834698A (en) | PCM-fin-air cooling battery thermal management system based on thermoelectric generation coupling | |
| CN208226048U (en) | A kind of battery pack temperature control box | |
| CN208538957U (en) | A kind of battery pack | |
| CN108199115B (en) | Heat dissipation system of electric automobile lithium battery | |
| CN207426078U (en) | Battery energy storage equipment and its heat management system | |
| CN109565090A (en) | Rechargeable battery | |
| CN203631701U (en) | Battery temperature control device | |
| CN206076440U (en) | A kind of battery modules heat-exchange system and electric automobile | |
| CN209515765U (en) | A kind of thermal management device of battery that novel temperature-uniforming plate is coupled with phase-change material | |
| CN203406393U (en) | Power battery | |
| US20230035232A1 (en) | Battery pack and method for thermal management of battery pack | |
| CN114883701B (en) | Method for controlling temperature of lithium ion battery in charging and discharging processes in balanced mode | |
| CN110994076B (en) | Low-power-consumption lead-acid battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |