CN108134038A - Soft bag lithium ionic cell module and electric vehicle - Google Patents
Soft bag lithium ionic cell module and electric vehicle Download PDFInfo
- Publication number
- CN108134038A CN108134038A CN201810142053.5A CN201810142053A CN108134038A CN 108134038 A CN108134038 A CN 108134038A CN 201810142053 A CN201810142053 A CN 201810142053A CN 108134038 A CN108134038 A CN 108134038A
- Authority
- CN
- China
- Prior art keywords
- soft bag
- lug
- lithium ionic
- ionic cell
- bus
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000006260 foam Substances 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 238000003466 welding Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- -1 copper aluminum nickel Chemical compound 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of soft bag lithium ionic cell modules, multiple submodule groups including fixed frame and in the fixed frame, the lug of two submodule groups is connected in series with by bus-bar, and threaded hole is offered on the bus-bar of the submodule group at both ends, and seat is exported as electric power；The fixed frame includes two end face cross-ribs being oppositely arranged and four side metal plates by two end face cross-rib connections, and the end face cross-rib is to be bolted with four side metal plates；Pressing plate is installed, the pressing plate is compressed the bus-bar and the lug by bolt on the lug.It in the soft bag lithium ionic cell module assembling process of the application, only uses and is spirally connected, without welding procedure, assembling is simple and fast, and pressing plate is bolted.On the basis of this, the present invention also provides a kind of electric vehicles using the soft bag lithium ionic cell module.
Description
Technical field
The present invention relates to battery technology field, more particularly to a kind of soft bag lithium ionic cell module and electric vehicle.
Background technology
Electric vehicle is grown rapidly in worldwide within nearly 2 years, and technology innovation is maked rapid progress, lithium ion battery, fuel
Battery, lithium-sulfur cell all have been enter into industrialization as the scheme of electrodynamic source.
Entire automobile industry also holds car power source motorized open attitude, Holland, Norway, India, Germany, method
State, Britain all give the timing node for the year two thousand forty suspending sale of fuel vehicle in the past.
Such a emerging Vehicules Electr Sas Soc D. of tesla also surmounts traditional company such as general in stock market comprehensively, into
It is looked forward to for the first cart of U.S.'s market value.
In the spring tide of this wave motorcar electric, China plays the role of adding fuel to the flames, and electric vehicle does not restrict driving, is unlimited
The boostings policy such as purchase tax is not paid in purchase, is emerged in an endless stream.But with the progress of time, the requirement to electric vehicle product is also continuous
It improves, the indexs such as hundred kilometers of power consumptions of ton, unit mounted mass energy expenditure, electrokinetic cell system energy density are higher and higher.
The battery core in battery system accounts for 80% using rectangular and cylindrical at this stage, is promoted along with energy density
Pressure is increasing, and soft pack cell starts to be increasingly becoming the developing direction of each enterprise's module design.
For soft pack cell due to congenital structural advantage, gravimetric energy density is higher 10%-20% than rectangular and cylindrical battery,
Unitisation design is rationally carried out, the more present design of system energy densities has higher promotion.
Soft-package battery is into modular design process, and due to its design feature, following problems may be encountered：Soft pack cell
During groups of, complex process, assembling are cumbersome, and time-consuming and laborious in production and maintenance process, cost high efficiency is low.
Invention content
The purpose of the present invention is to provide a kind of soft bag lithium ionic cell module and electric vehicle, to solve in the prior art
Existing above-mentioned technical problem.
Soft bag lithium ionic cell module provided by the invention, it is multiple including fixed frame and in the fixed frame
Submodule group, the lug of two submodule groups are connected in series with by bus-bar, on the bus-bar of the submodule group at both ends
Threaded hole is offered, seat is exported as electric power；
The fixed frame includes two end face cross-ribs being oppositely arranged and connect two end face cross-ribs four
A side metal plate, the end face cross-rib are to be bolted with four side metal plates；
Pressing plate is installed, the pressing plate is compressed the bus-bar and the lug by bolt on the lug.
Further, multiple sub- film groups in the fixed frame are set for longitudinal arrangement.
Further, the submodule group includes shell, battery core, hollow foam and head cover；
The battery core is connected in parallel on for multiple devices in the shell, and lug, multiple battery cores are equipped in the battery core
It is bonded together by the hollow foam, the battery core positioned at end is Nian Jie with the shell by the hollow foam, described
On the housing, the head cover is equipped with the lug via passed through for the lug to head cover spiral-lock.
Further, the shell is equipped with concave reinforcing rib, and the shell, which is adopted, to be formed from aluminium.
Further, the head cover lower part is equipped with battery core fixed gear item, and the head cover is equipped with to limit the confluence
The bus-bar fixed stop of the six-freedom degree of row.
Further, the head cover is equipped with mounting hole and the fixing groove with fixed frame cooperation.
Further, the bus-bar includes diversion division and the module confluence portion being connect with the diversion division, the mould
Group confluence portion is equipped with the fixing screwed hole for fixing the bolt, and institute is respectively provided on the pressing plate and the lug
State the through-hole that bolt passes through.
Further, the diversion division is structure as a whole with the module confluence portion.
Further, the bus-bar is made of albronze, and the pressing plate is made of high strength plastics.
Soft bag lithium ionic cell module provided by the invention, has the following advantages that：
It in the soft bag lithium ionic cell module assembling process of the application, only uses and is spirally connected, without welding procedure, assembling is simple
Fast, lug and bus-bar is bolted in pressing plate, not only increases contact area, but also lug can be made relatively independent with module shell
Movement avoids the vibration of whole packet in driving conditions or hits tear lug.
In addition, the present invention also provides a kind of electric vehicle, including above-mentioned soft bag lithium ionic cell module.
Using the electric vehicle of above-mentioned soft bag lithium ionic cell module, there is higher production efficiency.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 2 is the explosive view of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 3 is the structure diagram of the submodule group of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 4 is the explosive view of the submodule group of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 5 is the structural representation of the head cover of the submodule group of soft bag lithium ionic cell module that the embodiment of the present invention one provides
Figure.
Fig. 6 is the structure diagram of the bus-bar of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 7 is that the lug for the soft bag lithium ionic cell module that the embodiment of the present invention one provides connects suspension design diagram.
Reference numeral：1- fixed frames；2- submodule groups；21- lugs；3- bus-bars；4- exports seat；11- end faces cross-rib；
12- sides metal plate；5- pressing plates；6- bolts；22- shells；23- battery cores；The hollow foams of 24-；25- head covers；251- lug vias；221-
Concave reinforcing rib；26- battery core fixed gear items；27- bus-bar fixed stops；252- mounting holes；253- fixing grooves；31- diversion divisions；
32- module confluences portion；321- fixing screwed holes；7- through-holes.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Embodiment one：
Fig. 1 is the structure diagram of soft bag lithium ionic cell module that the embodiment of the present invention one provides.
Fig. 2 is the explosive view of soft bag lithium ionic cell module that the embodiment of the present invention one provides；Fig. 3 is the embodiment of the present invention
The structure diagram of the submodule group of the one soft bag lithium ionic cell module provided；Fig. 4 is the Soft Roll that the embodiment of the present invention one provides
The explosive view of the submodule group of lithium ion battery module；Fig. 5 is the soft bag lithium ionic cell module that the embodiment of the present invention one provides
The structure diagram of the head cover of submodule group；Fig. 6 is the bus-bar of soft bag lithium ionic cell module that the embodiment of the present invention one provides
Structure diagram；Fig. 7 is that the lug connection suspension design for the soft bag lithium ionic cell module that the embodiment of the present invention one provides is shown
It is intended to；As shown in Fig. 1-Fig. 7, the soft bag lithium ionic cell module of the offer of the embodiment of the present invention one, including fixed frame 1 and installation
Multiple submodule groups 2 in the fixed frame 1, the lug 21 of two submodule groups 2 are connected in series with by bus-bar 3, are located at
Threaded hole is offered on the bus-bar 3 of the submodule group 2 at both ends, seat 4 is exported as electric power；
The fixed frame 1 includes two end face cross-ribs 11 being oppositely arranged and connects two end face cross-ribs 11
Four side metal plates 12, the end face cross-rib 11 is that bolt 6 is connect with four side metal plates 12；
Pressing plate 5 is installed, the pressing plate 5 is pressed the bus-bar 3 and the lug 21 by bolt 6 on the lug 21
Tightly.
Specifically, multiple submodule groups 2 in the fixed frame 1 are set for longitudinal arrangement.
Specifically, the submodule group 2 includes shell 22, battery core 23, hollow foam 24 and head cover 25；
The battery core 23 is connected in parallel on for multiple devices in the shell 22, and lug 21 is equipped in the battery core 23, multiple
The battery core 23 is bonded together by the hollow foam 24, and the battery core 23 positioned at end passes through the hollow foam 24 and institute
It states shell 22 to be bonded, on the shell 22, the head cover 25 is equipped with and passes through for the lug 21 25 spiral-lock of head cover
Lug via 251.
The design of hollow foam 24 meets fixation of the battery core 23 in shell 22 first, and secondly hollow foam 24 meets battery core 23
Expansion space demand in cyclic process, it is not to be in close contact enhance its heat dissipation performance to make battery core 23 yet.
Specifically, the shell 22 is equipped with concave reinforcing rib 221, and the shell 22, which is adopted, to be formed from aluminium, thickness 0.8-
1.5mm。
Specifically, 25 lower part of head cover is equipped with battery core fixed gear item 26, and the head cover 25 is equipped with described for limiting
The bus-bar fixed stop 27 of the six-freedom degree of bus-bar 3.
The area of 23 more than 70% top margin of battery core is withstood by battery core fixed gear item 26, limitation battery core 23 is in the movement of Z-direction.
Specifically, the head cover 25 is equipped with mounting hole 252 and the fixing groove 253 with the fixed frame 1 cooperation.
Fixed frame 1 is limited by fixing groove 253, prevents the risk of play short circuit.
Specifically, the bus-bar 3 includes diversion division 31 and the module confluence portion 32 being connect with the diversion division 31, institute
It states module confluence portion 32 to be equipped with for the fixing screwed hole 321 of fixing the bolt 6, on the pressing plate 5 and the lug 21
It is respectively provided with the through-hole 7 that the bolt 6 passes through.
Pressing plate 5, as upper and lower two clamping plates, is tightly clamped lug 21 by bolt 6 with bus-bar 3.
The design of pressing plate 5 be in order to increase lug 21 and 3 contact area of bus-bar, while make pressing plate 5, lug 21 and confluence
Row 3 forms an entirety.
What the lug 21 of soft pack cell used is all the copper aluminum nickel piece that thickness is less than 200 μm, very soft, can arbitrarily be put
It is dynamic, under conventional lug Laser Welding packaging technology, the failure modes such as nick break easily occur.By the design of the application,
The whole only link with module of lug connecting portion had both been the six-freedom degree for being used to limit the bus-bar 3 on head cover 25
Bus-bar fixed stop 27, the constraint that this bus-bar fixed stop 27 is limited on six-freedom degree is limited, so the lug connects
Socket part can regard independent levitation as relative to module, and such design is so that module under the operating mode of various vibrations, vibrates nothing
Method is transferred to lug 21 and its junction, its fastening is made to be protected, the service life is extended.
It in the soft bag lithium ionic cell module assembling process of the application, only uses and is spirally connected, without welding procedure, assembling is simple
Fast, pressing plate 5 not only increases contact area, but also can make lug 21 and module shell by 6 connecting tab 21 of bolt and bus-bar 3
Relatively independent movement avoids the vibration of whole packet in driving conditions or hits tear lug 21.
Embodiment two：
The soft bag lithium ionic cell module that the present embodiment two provides is the soft bag lithium ionic cell mould provided embodiment one
Group is further improved, on the basis of embodiment one and Fig. 1-Fig. 7, the soft bag lithium ionic cell mould of the offer of the present embodiment two
Group, multiple submodule groups 2 including fixed frame 1 and in the fixed frame 1, the lug 21 of two submodule groups 2 are logical
It crosses bus-bar 3 to be connected in series with, threaded hole is offered on the bus-bar 3 of the submodule group 2 at both ends, seat is exported as electric power
4；
The fixed frame 1 includes two end face cross-ribs 11 being oppositely arranged and connects two end face cross-ribs 11
Four side metal plates 12, the end face cross-rib 11 is that bolt 6 is connect with four side metal plates 12；
Pressing plate 5 is installed, the pressing plate 5 is pressed the bus-bar 3 and the lug 21 by bolt 6 on the lug 21
Tightly.
Specifically, multiple submodule groups 2 in the fixed frame 1 are set for longitudinal arrangement.
Specifically, the submodule group 2 includes shell 22, battery core 23, hollow foam 24 and head cover 25；
The battery core 23 is connected in parallel on for multiple devices in the shell 22, and lug 21 is equipped in the battery core 23, multiple
The battery core 23 is bonded together by the hollow foam 24, and the battery core 23 positioned at end passes through the hollow foam 24 and institute
It states shell 22 to be bonded, on the shell 22, the head cover 25 is equipped with and passes through for the lug 21 25 spiral-lock of head cover
Lug via 251.
The design of hollow foam 24 meets fixation of the battery core 23 in shell 22 first, and secondly hollow foam 24 meets battery core 23
Expansion space demand in cyclic process, it is not to be in close contact enhance its heat dissipation performance to make battery core 23 yet.
Specifically, the shell 22 is equipped with concave reinforcing rib 221, and the shell 22, which is adopted, to be formed from aluminium, thickness 0.8-
1.5mm。
Specifically, 25 lower part of head cover is equipped with battery core fixed gear item 26, and the head cover 25 is equipped with described for limiting
The bus-bar fixed stop 27 of the six-freedom degree of bus-bar 3.
The area of 23 more than 70% top margin of battery core is withstood by battery core fixed gear item 26, limitation battery core 23 is in the movement of Z-direction.
Specifically, the head cover 25 is equipped with mounting hole 252 and the fixing groove 253 with the fixed frame 1 cooperation.
Fixed frame 1 is limited by fixing groove 253, prevents the risk of play short circuit.
Specifically, the bus-bar 3 includes diversion division 31 and the module confluence portion 32 being connect with the diversion division 31, institute
It states module confluence portion 32 to be equipped with for the fixing screwed hole 321 of fixing the bolt 6, on the pressing plate 5 and the lug 21
It is respectively provided with the through-hole 7 that the bolt 6 passes through.
Pressing plate 5, as upper and lower two clamping plates, is tightly clamped lug 21 by bolt 6 with bus-bar 3.
The design of pressing plate 5 be in order to increase lug 21 and 3 contact area of bus-bar, while make pressing plate 5, lug 21 and confluence
Row 3 forms an entirety.
What the lug 21 of soft pack cell used is all the copper aluminum nickel piece that thickness is less than 200 μm, very soft, can arbitrarily be put
It is dynamic, under conventional lug Laser Welding packaging technology, the failure modes such as nick break easily occur.By the design of the application,
The whole only link with module of lug connecting portion had both been the six-freedom degree for being used to limit the bus-bar 3 on head cover 25
Bus-bar fixed stop 27, the constraint that this bus-bar fixed stop 27 is limited on six-freedom degree is limited, so the lug connects
Socket part can regard independent levitation as relative to module, and such design is so that module under the operating mode of various vibrations, vibrates nothing
Method is transferred to lug 21 and its junction, its fastening is made to be protected, the service life is extended.
It in the soft bag lithium ionic cell module assembling process of the application, only uses and is spirally connected, without welding procedure, assembling is simple
Fast, pressing plate 5 not only increases contact area, but also can make lug 21 and module shell by 6 connecting tab 21 of bolt and bus-bar 3
Relatively independent movement avoids the vibration of whole packet in driving conditions or hits tear lug 21.
Specifically, the diversion division 31 and the module confluence portion 32 are structure as a whole not only cost-effective but also can improve conduction
Efficiency, the thickness in the module confluence portion 32 are more than the thickness of the diversion division 31 so that it is enough that fixing screwed hole 321, which has,
Depth.
Specifically, the bus-bar 3 is made of albronze, and copper meets electric conductivity, and aluminium meets intensity.The pressing plate 5
It is made of high strength plastics.
Embodiment three：
Present invention also provides a kind of electric vehicle, which includes above-mentioned soft bag lithium ionic cell module.
Using the electric vehicle of above-mentioned soft bag lithium ionic cell module, there is higher production efficiency.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of soft bag lithium ionic cell module, which is characterized in that more including fixed frame and in the fixed frame
A sub- module, the lug of two submodule groups are connected in series with by bus-bar, positioned at the bus-bar of the submodule group at both ends
On offer threaded hole, as electric power export seat；
The fixed frame includes two end face cross-ribs being oppositely arranged and four sides by two end face cross-rib connections
Metal plate, the end face cross-rib are to be bolted with four side metal plates；
Pressing plate is installed, the pressing plate is compressed the bus-bar and the lug by bolt on the lug.
2. soft bag lithium ionic cell module according to claim 1, which is characterized in that multiple sub- films in the fixed frame
Group is set for longitudinal arrangement.
3. soft bag lithium ionic cell module according to claim 1, which is characterized in that the submodule group includes shell, electricity
Core, hollow foam and head cover；
The battery core is connected in parallel on for multiple devices in the shell, lug is equipped in the battery core, multiple battery cores pass through
The hollow foam bonds together, positioned at end battery core by the hollow foam, the head cover Nian Jie with the shell
On the housing, the head cover is equipped with the lug via passed through for the lug to spiral-lock.
4. soft bag lithium ionic cell module according to claim 3, which is characterized in that the shell is strengthened equipped with indent
Muscle, the shell, which is adopted, to be formed from aluminium.
5. soft bag lithium ionic cell module according to claim 3, which is characterized in that the head cover lower part is consolidated equipped with battery core
Determine shelves item, the head cover be equipped with for limit the bus-bar six-freedom degree bus-bar fixed stop.
6. the soft bag lithium ionic cell module according to claim 3 or 5, which is characterized in that the head cover, which is equipped with, to be fixed
Hole and the fixing groove with fixed frame cooperation.
7. soft bag lithium ionic cell module according to claim 1, which is characterized in that the bus-bar include diversion division with
And the module confluence portion being connect with the diversion division, the module confluence portion are equipped with the fixed thread for fixing the bolt
The through-hole that the bolt passes through is respectively provided on hole, the pressing plate and the lug.
8. soft bag lithium ionic cell module according to claim 7, which is characterized in that the diversion division converges with the module
Stream portion is structure as a whole.
9. soft bag lithium ionic cell module according to claim 1, which is characterized in that the bus-bar uses albronze
It is made, the pressing plate is made of high strength plastics.
10. a kind of electric vehicle, which is characterized in that including the soft bag lithium ionic cell mould described in any one of claim 1-9
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142053.5A CN108134038B (en) | 2018-02-11 | 2018-02-11 | Soft package lithium ion battery module and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810142053.5A CN108134038B (en) | 2018-02-11 | 2018-02-11 | Soft package lithium ion battery module and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108134038A true CN108134038A (en) | 2018-06-08 |
| CN108134038B CN108134038B (en) | 2024-09-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810142053.5A Active CN108134038B (en) | 2018-02-11 | 2018-02-11 | Soft package lithium ion battery module and electric automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660935A (en) * | 2018-06-28 | 2020-01-07 | 东莞新能德科技有限公司 | Battery module |
| CN110783510A (en) * | 2019-12-11 | 2020-02-11 | 多氟多新能源科技有限公司 | Novel soft package lithium battery module scheme |
| CN111312952A (en) * | 2019-12-26 | 2020-06-19 | 湖北锂诺新能源科技有限公司 | Soft package module utmost point ear fixed plate connection structure |
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| CN110783510B (en) * | 2019-12-11 | 2022-07-08 | 多氟多新能源科技有限公司 | Soft packet of lithium cell module |
| CN111312952A (en) * | 2019-12-26 | 2020-06-19 | 湖北锂诺新能源科技有限公司 | Soft package module utmost point ear fixed plate connection structure |
| CN111312952B (en) * | 2019-12-26 | 2022-11-25 | 湖北锂诺新能源科技有限公司 | Soft package module utmost point ear fixed plate connection structure |
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