CN204732499U - A kind of expandable type liquid cooling battery modules for electric automobile - Google Patents
A kind of expandable type liquid cooling battery modules for electric automobile Download PDFInfo
- Publication number
- CN204732499U CN204732499U CN201520357996.1U CN201520357996U CN204732499U CN 204732499 U CN204732499 U CN 204732499U CN 201520357996 U CN201520357996 U CN 201520357996U CN 204732499 U CN204732499 U CN 204732499U
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- Prior art keywords
- cooled plate
- liquid cooling
- battery modules
- type liquid
- expandable type
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 78
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 239000004033 plastic Substances 0.000 claims abstract description 40
- 229920003023 plastic Polymers 0.000 claims abstract description 40
- 239000006260 foam Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 15
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of expandable type liquid cooling battery modules for electric automobile, comprise at least one basic battery module, basic battery module comprises battery core, positive bus and negative bus-bar, on the positive terminal that positive bus and negative bus-bar are respectively welded to battery core and negative terminal; Also comprise insulating heat-conductive foam, cooled plate and plastic stent, insulating heat-conductive foam and cooled plate is set gradually respectively outside positive bus and negative bus-bar, plastic stent is arranged on the outside of a cooled plate, plastics sprue is provided with between two cooled plate, the import and export of cooled plate are communicated with plastics sprue respectively, are provided with the runner be communicated with plastics sprue bottom the two side of plastic stent; Expandable type liquid cooling battery modules outermost two ends are fixedly installed metal platen respectively.Liquid cooling battery modules of the present utility model realizes the extensibility of liquid cooling battery modules, and achieves the object of the temperature reducing battery core, and has the advantage of the uniformity of temperature profile between battery core.
Description
Technical field
The utility model relates to pure electric automobile, the mixing of oil electricity or accumulation power supply systems technology field, particularly a kind of expandable type liquid cooling battery modules for electric automobile.
Background technology
Current have the Major Cooling Methods that battery modules adopts: heat transfer free convection, air blast cooling and pressure liquid cooling.Therefore, the battery modules of current main-stream is divided into according to the type of cooling: common batteries module, is namely cooled by nature heat exchanging mode; Air-cooled battery modules, is namely cooled by air blast cooling; Namely but cold by forced fluid with liquid cooling battery modules.Heat transfer free convection refers to and does not additionally use the equipment with active cooling or temp. control function to battery modules, only relies on the passive heat between battery itself and external environment to exchange.Air blast cooling refers at battery system assembly or battery modules inner integrated blower fan or flow-disturbing device etc., to increase the surperficial convection transfer rate between the air of battery modules inside and battery core surface, heat battery core produced is taken away by battery core surface heat.Liquid cooling is forced to refer to by using liquid-cooling circulating system (forming the system integration by compression pump, fluid line, cooled plate, liquid cooling medium etc.) at battery system assembly or battery modules, by carrying out heat exchange between cooled plate and battery core surface, heat battery core produced is by taking away with the coolant of outer loop.
The shortcoming of common batteries module is: because battery modules only relies on battery surface and surrounding air to carry out heat transfer free convection, does not have external condition to carry out pressure interference.Therefore, because the physical property own, the ambient air temperature that are subject to surrounding air are higher, the impact of the factor such as the flow velocity of surrounding air fluid is low, the cooling performance of current common batteries module is very poor, substantially the demand that large multiplying power continues charge and discharge can not be met, namely can not meet electric vehicle rapid charging, continue the requirements such as High-current output.The shortcoming of current air-cooled battery modules is: in order to the use of air-cooled battery modules, battery system assembly needs to arrange the air inlet and air outlet that are used for cooling air circulation, after being provided with air inlet and air outlet, whole battery system is just difficult to meet dust-proof, the classification of waterproof requirements such as IP66/IP67 (IP refers to degree of protection test and certification); And due to the impact by factors such as the impact on physical properties of air itself and air disturbance, air-cooled battery modules is difficult to thoroughly to solve the problem of excessive temperature differentials between the inadequate and battery core of heat-sinking capability.
The shortcoming of current liquid cooling battery modules is: (1) arranges cooled plate or other liquid cooling devices usually between battery core surface, cooled plate is relied on to carry out exchange heat by battery core wall and battery core, so be namely difficult to ensure that the temperature between each battery core can obtain well-proportioned control, the temperature difference namely between battery core is bigger than normal.(2) inner a liquid cooling battery modules, stream for cooling battery core is generally series loop, meeting like this obviously increases the pressure loss of whole liquid cooling loop, cause when cooling system flow is certain, the arrangement space limited due to car load and the selectable range increased compression pump in cooling recirculation system and condenser.Or when car load selectes compression pump and condenser, battery cooling performance can not be met due to the reduction of cooling system flow.(3) current liquid cooling battery modules normally structure is fixed, can not according to the demand of client at the enterprising Row sum-equal matrix of overall dimension, and namely structure extensibility is very poor.
Utility model content
The utility model provides a kind of expandable type liquid cooling battery modules for electric automobile, solves that existing liquid cooling battery pack is difficult to ensure to have a narrow range of temperature between battery core, the problem of the structure poor expandability of uniformity of temperature profile and battery modules.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of expandable type liquid cooling battery modules for electric automobile, comprise at least one basic battery module, basic battery module comprises battery core, positive bus and negative bus-bar, on the positive terminal that positive bus and negative bus-bar are respectively welded to battery core and negative terminal; Described basic battery module also comprises insulating heat-conductive foam, cooled plate and plastic stent, insulating heat-conductive foam and cooled plate is disposed with respectively outside positive bus and negative bus-bar, plastic stent is arranged on the outside of a cooled plate, plastics sprue is provided with between two cooled plate, the import and export of cooled plate are communicated with plastics sprue respectively, are provided with the runner be communicated with plastics sprue bottom the two side of plastic stent; Described expandable type liquid cooling battery modules outermost two ends are fixedly installed metal platen respectively.
Described basic battery module is at least two, and described plastic stent is arranged between two adjacent cooled plate of two basic battery modules.
Between described cooled plate and described plastics sprue, runner junction is provided with an O RunddichtringO.
Between described cooled plate and described plastic stent, runner junction is provided with the 2nd O RunddichtringO.
Described cooled plate inside is provided with capillary runner.
Described cooled plate is the surperficial aluminum water-cooling plate through anodized surface process or copper cooled plate.
Described metal platen is by being connected and fixed through the stay bolt of described basic battery template.
The beneficial effects of the utility model:
1. the utility model reduces the temperature of positive and negative electrode bus-bar by aluminum water-cooling plate, achieves the object of the temperature reducing battery core, compared with traditional liquid cooling battery modules, has the advantage of the uniformity of temperature profile between battery core.
2. the utility model is by making the aluminum water-cooling plate of control positive and negative electrode bus-bar temperature in parallel in whole liquid cooling circulation circuit, compared with traditional liquid cooling battery modules, there is the advantage that system pressure loss is less, under the prerequisite meeting required liquid cooling system flow and the car load confined space, the range of choice of more wide in range compression pump and condenser can be obtained.
3. the utility model passes through with basic battery module as unit, to the cooled plate with interchangeability, plastics sprue, plastic stent etc. that each basic battery module design of cooling matches, to realize the extensibility of liquid cooling battery modules, there is the advantage highly customized, different customer demand can be responded fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model heat conduction principle schematic;
Fig. 2 is the schematic diagram of expandable type liquid cooling battery modules in embodiment;
Fig. 3 is the explosive view of expandable type liquid cooling battery modules in Fig. 2;
Fig. 4 is conductive structure schematic diagram in embodiment;
Fig. 5 is cooled plate parallel-connection structure schematic diagram in enforcement.
In figure, 1. battery core, 2. bus-bar, 3. insulating heat-conductive foam, 4. cooled plate, 5. plastic stent, 6. plastics sprue, 7. metal platen, 8. stay bolt, 9. an O RunddichtringO, 10. the 2nd O RunddichtringO
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1 ~ Fig. 5, the present embodiment provides a kind of expandable type liquid cooling battery modules for electric automobile, its heat conduction principle as shown in Figure 1, expandable type liquid cooling battery modules of the present utility model, cooled plate 4 in parallel is utilized to enter to dispel the heat to the positive bus of basic battery module, negative bus-bar, and then carry out active heat management to the electrokinetic cell of electric automobile, and overall structure designs for expandable type.
Expandable type liquid cooling battery modules for electric automobile comprises four basic battery modules, as shown in Figures 2 and 3, each basic battery module comprises battery core 1, bus-bar 2, insulating heat-conductive foam 3, cooled plate 4 and plastic stent 5, wherein bus-bar 2 is divided into positive bus and negative bus-bar, on the positive terminal that positive bus and negative bus-bar are respectively welded to battery core 1 and negative terminal; Be disposed with insulating heat-conductive foam 3 and cooled plate 4 respectively outside positive bus and negative bus-bar, plastic stent 5 is arranged between two adjacent cooled plate 4 of two basic battery modules, plays the effect of support, protection and fixing basic battery module.Be provided with plastics sprue 6 between two cooled plate 4, the import and export of cooled plate 4 are communicated with plastics sprue 6 respectively, are provided with the runner be communicated with plastics sprue 6 bottom the two side of plastic stent 5.The structure of this basic battery module can realize the extensibility of liquid cooling battery modules, namely under the prerequisite not changing all parts design of basic battery module, protects the basic battery module of exhibition and can realize liquid cooling battery modules in groups.
Expandable type liquid cooling battery modules outermost two ends are provided with metal platen 7.Metal platen 7 is connected and fixed by the stay bolt 8 through basic battery template.The present embodiment arranges 8 stay bolts 8, runs through the rear and front end of whole liquid cooling battery modules, to realize the entirety mechanical connection of liquid cooling battery modules and to fix.The upper and lower both sides of runner arrange 4 stay bolts 8 altogether, to realize the sealing of each connecting end surface of liquid cooling battery modules on stream.
In order to ensure the sealing of runner, between cooled plate 4 and plastics sprue 6, runner junction is provided with an O RunddichtringO 9.
In order to protect the sealing of runner.Between cooled plate 4 and plastic stent 5, runner junction is provided with the 2nd O RunddichtringO 10.
Cooled plate 4 inside is provided with capillary runner, can improve the heat transfer efficiency of water-cooled further.
In the utility model, cooled plate 4 is the surperficial aluminum water-cooling plate through anodized surface process or copper cooled plate.
As shown in Figure 4, conduction process is as follows for the conductive structure of each basic battery module:
(1) first the heat produced by battery core 1 can be transferred on the bus-bar 2 of basic battery module by heat conducting mode through the both positive and negative polarity pole of battery core 1.In the process, the battery core 1 due to basic battery module inside is uniformly distributed in the surface of bus-bar 2, and the heat of every battery core 1 generation is identical, and the path of every battery core 1 heat biography is also identical, and bus-bar 2 is thin-walled copper coin (or aluminium sheet).Therefore, the heat of liquid cooling battery modules is for being distributed in bus-bar 2 surface equably.
(2) insulating heat-conductive foam 3 fits on bus-bar 2 completely, and cooled plate 4 fits in insulating heat-conductive foam 3 completely, and the heat on bus-bar 2 is transferred in cooled plate 4 by heat conducting mode through heat conductive insulating foam.There is the various features such as insulation, thin-walled, softness, high coefficient of thermal conductivity and larger compressible amount, aluminum water-cooling plate and complete the later bus-bar of welding procedure 2 and be good conductor due to insulating heat-conductive foam 3, and rigidity is higher, not yielding etc. therefore.Therefore, insulating heat-conductive foam 3 is arranged between bus-bar 2 and aluminum water-cooling plate, apply the electrical isolation that its insulation characterisitic can realize between bus-bar 2 and aluminum water-cooling plate, apply its softness, compressive characteristics, can to be ensured between aluminum water-cooling plate and bus-bar 2 to fit completely the both sides of insulating heat-conductive foam 3 simultaneously, get rid of air between the two as much as possible, reach best thermal conduction effect.Therefore, after insulating heat-conductive foam 3, the heat of liquid cooling battery modules can be distributed on aluminum water-cooling plate equably.
(3) it is outside that the cooling fluid that in cooled plate 4, namely heat can be passed through circulation transfers to liquid cooling battery modules by forced-convection heat transfer, finally the heat produced by battery core 1 in charge and discharge process taken away.Because the numerous capillary runners of cooling fluid in cooled plate 4 inside, plastics sprue 6 and liquid cooling battery modules outside forms circulation, and numerous capillary runners is distributed in cooled plate 4 inside equably.Therefore, through cooled plate 4, the heat of liquid cooling battery modules can be taken away by the cooling water with outer loop.
Fig. 5 is cooled plate 4 parallel-connection structure schematic diagram in enforcement, cooled plate 4 communicates separately with plastics sprue 6 respectively, sealed by sealing ring in runner junction, by multiple plastics sprue 6 connect constitute respectively liquid cooling battery modules into and out of sprue, namely each cooled plate 4 is parallel connection on stream.
Liquid cooling battery modules of the present utility model, the both positive and negative polarity bus-bar of the basic battery module of each can be cooled separately by identical aluminum water-cooling plate, to reach maximum cooling effect.Each basic battery module design one is dismountable import sprue and outlet sprue with interchangeability independently, and communicates with the import and export of plastic stent 5 respectively on stream, to realize the feature of liquid cooling battery modules extensibility.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. the expandable type liquid cooling battery modules for electric automobile, comprise at least one basic battery module, basic battery module comprises battery core, positive bus and negative bus-bar, on the positive terminal that positive bus and negative bus-bar are respectively welded to battery core and negative terminal; It is characterized in that: described basic battery module also comprises insulating heat-conductive foam, cooled plate and plastic stent, insulating heat-conductive foam and cooled plate is set gradually respectively outside positive bus and negative bus-bar, plastic stent is arranged on the outside of a cooled plate, plastics sprue is provided with between two cooled plate, the import and export of cooled plate are communicated with plastics sprue respectively, are provided with the runner be communicated with plastics sprue bottom the two side of plastic stent; Described expandable type liquid cooling battery modules outermost two ends are fixedly installed metal platen respectively.
2. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 1, is characterized in that: described basic battery module is at least two, and described plastic stent is arranged between two adjacent cooled plate of two basic battery modules.
3. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 1, is characterized in that: between described cooled plate and described plastics sprue, runner junction is provided with an O RunddichtringO.
4. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 1, is characterized in that: between described cooled plate and described plastic stent, runner junction is provided with the 2nd O RunddichtringO.
5. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 1, is characterized in that: described cooled plate inside is provided with capillary runner.
6. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 5, is characterized in that: described cooled plate is the surperficial aluminum water-cooling plate through anodized surface process or copper cooled plate.
7. a kind of expandable type liquid cooling battery modules for electric automobile according to claim 1, is characterized in that: described metal platen is by being connected and fixed through the stay bolt of described basic battery template.
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| CN201520357996.1U CN204732499U (en) | 2015-05-28 | 2015-05-28 | A kind of expandable type liquid cooling battery modules for electric automobile |
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| CN201520357996.1U CN204732499U (en) | 2015-05-28 | 2015-05-28 | A kind of expandable type liquid cooling battery modules for electric automobile |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870509A (en) * | 2016-05-10 | 2016-08-17 | 济南陆枋志合信息技术有限公司 | Lithium battery pack assembly |
| CN105932355A (en) * | 2016-05-10 | 2016-09-07 | 济南陆枋志合信息技术有限公司 | New energy bus |
| CN105932368A (en) * | 2016-05-10 | 2016-09-07 | 济南陆枋志合信息技术有限公司 | Lithium battery pack |
| CN105946537A (en) * | 2016-05-10 | 2016-09-21 | 济南陆枋志合信息技术有限公司 | New energy logistics car |
| CN106169546A (en) * | 2016-08-29 | 2016-11-30 | 华霆（合肥）动力技术有限公司 | A kind of die-filling group of set of cells |
| CN106207308A (en) * | 2016-08-29 | 2016-12-07 | 北京普莱德新能源电池科技有限公司 | A kind of electric automobile power battery water-cooling system and use its electric automobile |
| CN106329026A (en) * | 2016-11-01 | 2017-01-11 | 法乐第(北京)网络科技有限公司 | Battery cooling assembly, battery assembly and electric vehicle |
| CN106356587A (en) * | 2016-11-25 | 2017-01-25 | 江西迪比科股份有限公司 | New energy power batter |
| CN106505277A (en) * | 2016-11-15 | 2017-03-15 | 惠州市蓝微新源技术有限公司 | The cold battery modules of liquid |
| CN106684287A (en) * | 2016-12-20 | 2017-05-17 | 常州普莱德新能源电池科技有限公司 | Battery module |
| CN107069137A (en) * | 2016-12-27 | 2017-08-18 | 浙江超威创元实业有限公司 | Soft pack cell water-cooled module mechanism |
| CN108923008A (en) * | 2018-08-21 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of modified liquid cooling battery case |
| CN110405474A (en) * | 2019-08-26 | 2019-11-05 | 宁波江丰电子材料股份有限公司 | The manufacturing method of the surface treatment method of water channel and cooling disk body in cooling disk body |
-
2015
- 2015-05-28 CN CN201520357996.1U patent/CN204732499U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932355A (en) * | 2016-05-10 | 2016-09-07 | 济南陆枋志合信息技术有限公司 | New energy bus |
| CN105932368A (en) * | 2016-05-10 | 2016-09-07 | 济南陆枋志合信息技术有限公司 | Lithium battery pack |
| CN105946537A (en) * | 2016-05-10 | 2016-09-21 | 济南陆枋志合信息技术有限公司 | New energy logistics car |
| CN105870509A (en) * | 2016-05-10 | 2016-08-17 | 济南陆枋志合信息技术有限公司 | Lithium battery pack assembly |
| CN106169546B (en) * | 2016-08-29 | 2018-11-23 | 华霆（合肥）动力技术有限公司 | A kind of die-filling group of battery pack |
| CN106169546A (en) * | 2016-08-29 | 2016-11-30 | 华霆（合肥）动力技术有限公司 | A kind of die-filling group of set of cells |
| CN106207308A (en) * | 2016-08-29 | 2016-12-07 | 北京普莱德新能源电池科技有限公司 | A kind of electric automobile power battery water-cooling system and use its electric automobile |
| CN106207308B (en) * | 2016-08-29 | 2019-08-23 | 北京普莱德新能源电池科技有限公司 | A kind of electric automobile power battery water-cooling system and the electric car using it |
| CN106329026A (en) * | 2016-11-01 | 2017-01-11 | 法乐第(北京)网络科技有限公司 | Battery cooling assembly, battery assembly and electric vehicle |
| CN106505277A (en) * | 2016-11-15 | 2017-03-15 | 惠州市蓝微新源技术有限公司 | The cold battery modules of liquid |
| CN106356587A (en) * | 2016-11-25 | 2017-01-25 | 江西迪比科股份有限公司 | New energy power batter |
| CN106684287A (en) * | 2016-12-20 | 2017-05-17 | 常州普莱德新能源电池科技有限公司 | Battery module |
| CN107069137A (en) * | 2016-12-27 | 2017-08-18 | 浙江超威创元实业有限公司 | Soft pack cell water-cooled module mechanism |
| CN108923008A (en) * | 2018-08-21 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of modified liquid cooling battery case |
| CN110405474A (en) * | 2019-08-26 | 2019-11-05 | 宁波江丰电子材料股份有限公司 | The manufacturing method of the surface treatment method of water channel and cooling disk body in cooling disk body |
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