CN110364655A - A kind of power battery pack arrangement and its packaging technology - Google Patents
A kind of power battery pack arrangement and its packaging technology Download PDFInfo
- Publication number
- CN110364655A CN110364655A CN201910647010.7A CN201910647010A CN110364655A CN 110364655 A CN110364655 A CN 110364655A CN 201910647010 A CN201910647010 A CN 201910647010A CN 110364655 A CN110364655 A CN 110364655A
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- Prior art keywords
- mould group
- battery pack
- water cooling
- cooling cabinet
- power battery
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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
-
- 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
- H01M10/656—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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of power battery pack arrangement and its packaging technologies, battery pack structure includes mould group, the battery pack structure further includes that water cooling cabinet, the safeguard structure on water cooling cabinet and the mould group mounting assembly in the protective zone that water cooling cabinet and safeguard structure are formed, the mould group are detachably connected by mould group mounting assembly and water cooling cabinet.The present invention is realized battery pack modularity and mould group is detachable, greatly reduced the later maintenance cost of battery pack, reduce the overall cost of battery pack by the optimization to battery pack burst mode.
Description
Technical field
The invention belongs to power battery technology fields, and in particular to a kind of power battery pack arrangement and its packaging technology.
Background technique
The burst mode of new energy resource power battery packet is broadly divided into two kinds at present: the first, by lithium battery in groups at " at
Product " mould group, then in groups by these " finished product " mould groups, power battery PACK is formed, there are about 30%~40% for this burst mode
Energy loss, according to the difference of group technology, extent of deterioration is different, its advantage is that detachable later maintenance cost is low but energy turns
Rate is low and group efficiency is low, high production cost；Second, by battery core according to high pressure cabling mode directly with structure glue and cabinet
Bonding, there are about 15%~20% energy losses for this burst mode, and also according to the difference of group technology, extent of deterioration is not
Together, this burst mode advantage is energy transformation ratio height, but whole packet later maintenance cost is high, and any list battery core goes wrong, due to
The basic battery pack of the characteristic of structure glue need to integrally scrap.
It can be seen that there is irreconcilable contradiction, i.e., high energy conversions in the design of power battery pack at present
Contradiction between rate and low later maintenance cost.
In addition, battery pack can generate heat in use, if easily there is safety without preferable cooling structure
Problem.
Summary of the invention
Present invention seek to address that the technical problems existing in the prior art.For this purpose, the present invention provides a kind of power battery pack
Structure and its packaging technology, it is therefore an objective to realize the function of easy disassembly and water cooling.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of power battery pack arrangement, including mould group, the battery pack structure further include water cooling cabinet, are set to water cooling cabinet
On safeguard structure and the mould group mounting assembly in the protective zone that water cooling cabinet and safeguard structure are formed, the mould group it is logical
Mould group mounting assembly is crossed to be detachably connected with water cooling cabinet.
The mould group mounting assembly includes the thermal conductive silicon rubber mat on water cooling cabinet and the bottom on thermal conductive silicon rubber mat
Mould group and bottom plate are connect by plate by fastener with water cooling cabinet.
The mould group includes battery core group, end plate, heating film and battery core group, end plate and heating film is enclosed an entirety knot
The fastening structure of structure.
The battery core group includes multiple battery cores for being arranged successively setting, passes through structure gluing knot between adjacent battery core.
It is equipped with the first insulating trip between the battery core group and end plate, second is equipped between the heating film and fastening structure absolutely
Embolium.The fastening structure is band.
The safeguard structure include case lid and in case lid to the insulating boot of mould group insulating protection.
The water cooling cabinet is equipped with the electrical connector assembly being electrically connected with mould group, and the case lid is reserved with assembly electrolysis
The notch of connector assembly.
Sealing structure is equipped between the insulating boot and cover wall.
The mould group be it is multiple, between adjacent mould group by connecting bracket connection.
The packaging technology of the power battery pack arrangement, includes the following steps:
Step 1: mould group mounting assembly is installed on water cooling cabinet；
Step 2: assembled mould group is installed in mould group mounting assembly, and mould group and mould group are pacified by fastener
Arrangement is connect with water cooling cabinet；
Step 3: in the top assembly connection high pressure connection component of mould group, and mould group is connected；
Step 4: assembling safeguard structure in mould group；
Step 5: case lid and water cooling cabinet are locked by fastener in safeguard structure over-assemble sealing structure and case lid
Connection.
Battery core group top is equipped with limit beam, and the end of the limit beam is equipped with fastening mounting hole and Ka Jiao.
Using above structure of the invention, based on ferric phosphate lithium cell, the battery pack of design:
Battery core energy density: 173Wh/kg；
PACK energy density: 173Wh/kg*84%=145Wh/kg；
Optimized by modular construction, the conversion of PACK (not including high-voltaghe compartment, harness etc.) energy is further promoted by 82.5%
It is 85%~86%, practical PACK energy density: 1173Wh/kg*85%~86%=147Wh/kg~149Wh/kg.
Beneficial effects of the present invention:
1, the present invention realizes battery pack modularity and mould group is detachable, significantly by the optimization to battery pack burst mode
The later maintenance cost for reducing battery pack reduces the overall cost of battery pack.
2, module group assembling process and mould group and the installation process of cabinet are subjected to the integration in process flow, reduced related raw
Production. art improves the group efficiency of battery pack.
3, using the energy loss reduced in grouping procedure after simple modular structure, cabinet, mould group bottom plate, case lid, end
Plate etc. uses lightweight material, further improves the energy density of whole packet.
4, cabinet increases water cooling function, improves security performance when battery pack uses.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is explosive view of the invention；
Fig. 3 is the structural schematic diagram of water cooling cabinet over-assemble thermal conductive silicon rubber mat and bottom plate；
Fig. 4 is the assembly structure diagram of mould group；
Fig. 5 is the structural schematic diagram for limiting beam；
Fig. 6 is the structural schematic diagram of end plate；
Fig. 7 is the structural schematic diagram that mould group is installed on water cooling cabinet and bottom plate；
Fig. 8 is assembling structural schematic diagram of the BMS from control, electric connector and high pressure connection component；
Fig. 9 is the structural schematic diagram for assembling insulating boot, sealing block and case lid.
In the figure, it is marked as
1, mould group, 2, water cooling cabinet, 3, thermal conductive silicon rubber mat, 4, bottom plate, 5, end plate, 6, heating film, 7, battery core, 8, first absolutely
Embolium, the 9, second insulating trip, 10, band, 11, limit beam, 12, fastening mounting hole, 13, Ka Jiao, 14, fastener via hole, 15, card
Slot, 16, band limiting slot, 17, high pressure connection component, 18, case lid, 19, insulating boot, 20, sealing block, 21, electric connector group
Part, 22, notch, 23, bolt, 24, connecting bracket, 25, BMS is from control.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.It should be noted that term " on ", "lower", "front", "rear", "left", "right", "vertical", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as the limitation to invention.
As shown in Figures 1 to 9, a kind of power battery pack arrangement, including mould group 1, battery pack structure further include water cooling cabinet
2, the safeguard structure on water cooling cabinet 2 and the mould group in the protective zone that water cooling cabinet 2 and safeguard structure are formed are pacified
Arrangement, mould group are detachably connected by mould group mounting assembly with water cooling cabinet 2.By the way of being detachably connected, in battery
In the later maintenance of packet, if a certain battery core goes wrong, maintenance only can be removed to mould group where battery core, battery pack is without whole
It scraps, greatly reduces later maintenance cost.The setting of water cooling cabinet, so that increase water cooling function in battery pack use process,
Greatly improve safety when battery pack uses.The one side of water cooling cabinet is provided with intake-outlet, is respectively provided at intake-outlet
There is sealing cover.There is the cavity being filled with water in the inside of water cooling cabinet.
As shown in figure 3, mould group mounting assembly includes the thermal conductive silicon rubber mat 3 on the water cooling cabinet 2 and is set to heat conductive silica gel
Mould group and bottom plate are connect by the bottom plate 4 on pad by fastener with water cooling cabinet.As shown in figure 3, first by thermal conductive silicon rubber mat 3 according to
It is secondary to be successively mounted in corresponding thermal conductive silicon rubber mat top along Z-direction on water cooling cabinet, then by mould group bottom plate 4 along Z-direction.
Then appropriate structure glue is successively applied on mould group bottom plate 4, the four sides ring seal of mould group bottom plate (forms the installation of mould group i.e. on bottom plate
Slot, mounting groove have certain groove depth, and structure glue is not easy to overflow), avoid structure glue from overflowing into water cooling cabinet.
As shown in figure 4, mould group includes battery core group, end plate 5, heating film 6 and encloses battery core group, end plate 5 and heating film 6
One integrally-built fastening structure.The setting of fastening structure, convenient for guaranteeing the structure after mould group length direction (X-direction) assembling
Stability.Battery core group includes multiple battery cores 7 for being arranged successively setting, uses structure gluing knot between adjacent battery core.In order to guarantee
Local insulation effect in mould group is equipped with the first insulating trip 8, sets between heating film 6 and fastening structure between battery core group and end plate 5
There is the second insulating trip 9.Specifically second insulating trip can be respectively set in the end positions of each heating diaphragm plate.Fastening structure
For band 10.Plastic ribbon can be used in band, and end plate is equipped with band limiting slot.Band is enclosed around end plate and battery core group around one, just
It is limited in double of finishing die group X-direction, sets up two groups of band limiting slots 16 in the Z-direction side of end plate, convenient for band
It is limited, avoids the occurrence of band Z-direction side's upward sliding the phenomenon that.
In order to further ensure the limit installation effect of mould group, battery core group top is provided with limit installation structure, and limits
The both ends of mounting structure are connect with the end plate 5 at battery core group both ends respectively.As shown in Figure 5 and Figure 6, it is limit beam that structure, which is mounted,
11, the both ends for limiting beam are equipped with fastening mounting hole 12 and card angle 13, and end plate 5 is equipped with fastener via hole 14 and card slot 15, Ka Jiao
13 can be clamped with card slot 15, by fastener sequentially pass through fastening mounting hole 12, fastener via hole 14 and bottom plate 4 location hole into
Row connection.Specifically, limit settable two, beam, two limit beams are parallel to battery core group length direction (X-direction) arrangement, and
Two limit beams are located on the two sides of battery core group upper end, and the both ends of end plate top in the Y direction are correspondingly arranged two card slots,
The Ka Jiao phase that two card slots limit the ipsilateral one end of beam with two respectively is clamped.It is clamped by two limit beams and the limit of battery core group,
Convenient for clamping limit, while the entire length of battery core group semi-finished product mould group is limited.Fastener uses fastening bolt 23, leads to
Cross fastening bolt sequentially pass through the fastening mounting hole 12 of limit beam, the fastener via hole 14 of end plate and location hole on bottom plate 4 into
Row is fixedly connected, and then in the Y direction and the limit of Z-direction to battery modules.
The top of battery core group is equipped with high pressure connection component 17, and high pressure connection component includes connection aluminium bars and FPCB plate, mould group 1
To be multiple, connected between adjacent mould group by connecting bracket 24.Specifically arrangement mode can be connected according to high pressure, it will be high using tooling
Pressure connection aluminium bars and battery core pole it is fixed together after, whole packet carries out aluminium bars welding, then by FPCB plate in battery core group, it is whole wrap into
Row welding, mould group is successively connected by copper bar, realize the series connection of all battery cores again later, to reach required system electricity
Pressure.
Above-mentioned safeguard structure include case lid 18 and in case lid 18 to the insulating boot 19 of mould group insulating protection.Insulating boot
Main function be it is touch-proof, play the role of insulating protection.Sealing structure is equipped between 18 inner wall of insulating boot 19 and case lid, mainly
Effect sealing waterproof.Gasket or sealing block 20 can be used in sealing structure.
Water cooling cabinet 2 is equipped with the electrical connector assembly 21 being electrically connected with mould group, and case lid 18 is reserved with assembly electrolysis and connects
The notch 22 of connector assembly.Electrical connector assembly include panel, set on panel same side total positive connector, total negative patch
Part, temperature acquisition connector, low-voltage signal connector and MSD, total positive connector and total negative connector are located at the two of MSD
Side, temperature acquisition connector are set to the downside of total positive connector, and low-voltage signal connector is set to the downside of total negative connector.It is such
Structure setting is easy to implement electrical connections are integrated in battery pack Fast Installation and connection.Battery pack structure further includes being set to
From control 25, each mould group is electrically connected with BMS from control BMS in case lid.When specific setting, BMS is set to electric connector from control 25
Between component and the end plate of mould group.
The packaging technology of above-mentioned power battery pack arrangement, includes the following steps:
Step 1: mould group mounting assembly is installed on water cooling cabinet；
Step 2: assembled mould group is installed in mould group mounting assembly, and mould group and mould group are pacified by fastener
Arrangement is connect with water cooling cabinet；
Step 3: in the top assembly connection high pressure connection component of mould group, and mould group is connected；
Step 4: assembling safeguard structure in mould group；
Step 5: case lid and water cooling cabinet are locked by fastener in safeguard structure over-assemble sealing structure and case lid
Connection.
Principle, implementation process and group process are designed based on ferric phosphate lithium cell below to be described:
Design principle: the assembling process of mould group and mould group and the installation process of cabinet are carried out process flow by the packaging technology
On integration, with realize improve battery pack energy conversion while, realize later period battery pack maintenance when mould group it is detachable；Electricity
Pond lodge body is using aluminum profile is squeezed, while reducing Battery case weight, improving whole packet energy density, by crowded aluminum profile
The design of type chamber is so that cabinet has water cooling function.
Specific implementation process and packaging technology are as follows:
One, battery core utilizes Plastic Bandage and end plate and two, battery core top according to electricity demanding and high pressure cabling mode is matched
Limit beam forms the low-cost die group that N number of battery core is a row, utilizes structure gluing knot between battery core.Utilize plastic ribbon and limit beam
The stable length for controlling each mould group.And make low-cost die group stable structure.
Two, as shown in figure 3, thermal conductive silicon rubber mat is successively mounted on water cooling cabinet along Z-direction, then by mould group bottom plate according to
It is secondary to be mounted on each thermal conductive silicon rubber mat in water cooling cabinet top along Z-direction.Then appropriate structure glue successively is applied on mould group bottom plate,
The four sides ring seal of mould group bottom plate (forms mould group mounting groove 14, mounting groove has certain groove depth, and groove sidewall is ring i.e. on bottom plate
Shape closed, structure glue are not easy to overflow), avoid structure glue from overflowing into water cooling cabinet, it is ensured that structure glue is not bonded with cabinet.
Three, as shown in fig. 7, low-cost die group is successively mounted on the mould group bottom plate in water cooling cabinet along Z-direction.With M6 long
Low-cost die group, mould group bottom plate are connect by bolt 23 with cabinet, are reinforced between mould group with mould group connecting bracket.It is solidified to structure glue
Afterwards, low-cost die group will form a rigid body separated with cabinet with bottom plate, and the freedom degree of its all directions is limited by M6 bolt.
Four, it is packed into as shown in figure 8, high pressure is connected.Arrangement mode is connected according to high pressure, high pressure is connected into aluminium using tooling
Bar with battery core pole it is fixed together after, whole packet carries out aluminium bars welding, then by FPCB plate in battery core group, whole packet is welded,
Successively mould group is connected by copper bar again later, realizes the series connection of all battery cores, to reach required system voltage.
Step 5: as shown in figure 9, assembling insulating boot, sealing block and case lid: the insulating boot for being first made into makrolon material
It is packed into Z-direction.In insulating boot lower surface back 3M glue, assembly, insulating boot is sticked to the limit beam of mould group using 3M adhesive tape
On, it is desirable that whole tensile capacity >=20N.M.The main function of the insulating boot be it is touch-proof, play the role of insulating protection.It is packed into
After insulating boot, then along Z-direction assembling sealing block and case lid.Rogers HT-800 sealing block is mounted in box sealing flange face,
Sealing block main function seals waterproof.It reuses bolt to lock together case lid and cabinet, case lid main function is in PACK
Portion plays protective action.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. a kind of power battery pack arrangement, including mould group, which is characterized in that the battery pack structure further includes water cooling cabinet, sets
In the safeguard structure on water cooling cabinet and the mould group mounting assembly in the protective zone that water cooling cabinet and safeguard structure are formed,
The mould group is detachably connected by mould group mounting assembly and water cooling cabinet.
2. power battery pack arrangement according to claim 1, which is characterized in that the mould group mounting assembly includes being set to water cooling
Thermal conductive silicon rubber mat on cabinet and the bottom plate on thermal conductive silicon rubber mat are connected mould group and bottom plate and water cooling cabinet by fastener
It connects.
3. power battery pack arrangement according to claim 1, which is characterized in that the mould group includes battery core group, end plate, heating
Film and battery core group, end plate and heating film are enclosed into an integrally-built fastening structure.
4. power battery pack arrangement according to claim 3, which is characterized in that the battery core group includes that multiple be arranged successively sets
The battery core set passes through structure gluing knot between adjacent battery core.
5. power battery pack arrangement according to claim 3, which is characterized in that be equipped with first between the battery core group and end plate
Insulating trip is equipped with the second insulating trip between the heating film and fastening structure.
6. power battery pack arrangement according to claim 1, which is characterized in that the safeguard structure include case lid and be set to case
To the insulating boot of mould group insulating protection in lid.
7. power battery pack arrangement according to claim 6, which is characterized in that the water cooling cabinet is equipped with and is electrically connected with mould group
The electrical connector assembly connect, the case lid are reserved with the notch of assembly electrolysis connector assembly.
8. power battery pack arrangement according to claim 6, which is characterized in that be equipped between the insulating boot and cover wall
Sealing structure.
9. power battery pack arrangement according to claim 1, which is characterized in that the mould group be it is multiple, between adjacent mould group
It is connected by connecting bracket.
10. the packaging technology of any one of -9 power battery pack arrangements according to claim 1, which is characterized in that including as follows
Step:
Step 1: mould group mounting assembly is installed on water cooling cabinet；
Step 2: assembled mould group is installed in mould group mounting assembly, and pass through fastener for mould group and mould group installation group
Part is connect with water cooling cabinet；
Step 3: in the top assembly connection high pressure connection component of mould group, and mould group is connected；
Step 4: assembling safeguard structure in mould group；
Step 5: case lid and the locking of water cooling cabinet are connected by fastener in safeguard structure over-assemble sealing structure and case lid.
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| CN201910647010.7A CN110364655A (en) | 2019-07-17 | 2019-07-17 | A kind of power battery pack arrangement and its packaging technology |
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| CN201910647010.7A CN110364655A (en) | 2019-07-17 | 2019-07-17 | A kind of power battery pack arrangement and its packaging technology |
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Cited By (7)
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| CN110626176A (en) * | 2019-10-30 | 2019-12-31 | 北京普莱德新能源电池科技有限公司 | Aluminum profile liquid cooling type high-pressure tank |
| CN110828730A (en) * | 2019-10-31 | 2020-02-21 | 宁波敏实汽车零部件技术研发有限公司 | Battery box lower tray integrated with detachable water cooling plate assembly |
| CN110957442A (en) * | 2019-11-26 | 2020-04-03 | 南京金龙客车制造有限公司 | High-efficient new forms of energy group battery heating structure |
| CN111192988A (en) * | 2020-01-10 | 2020-05-22 | 山东科技大学 | Novel battery box with internal thermal management system for electric automobile and working method of novel battery box |
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| CN113678302A (en) * | 2019-11-26 | 2021-11-19 | 株式会社Lg新能源 | Battery module |
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