CN207097932U - A kind of lithium ion battery module and battery bag - Google Patents
A kind of lithium ion battery module and battery bag Download PDFInfo
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- CN207097932U CN207097932U CN201721072637.7U CN201721072637U CN207097932U CN 207097932 U CN207097932 U CN 207097932U CN 201721072637 U CN201721072637 U CN 201721072637U CN 207097932 U CN207097932 U CN 207097932U
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- lithium ion
- ion battery
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- battery module
- cell
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 76
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000003466 welding Methods 0.000 claims abstract description 35
- 239000012634 fragment Substances 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 14
- 230000010354 integration Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 12
- 238000002788 crimping Methods 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a kind of lithium ion battery module and battery bag, and lithium ion battery module includes the battery modules unit of multiple series connection, and battery modules unit includes multiple cells and current collecting tier, and cell is carried out in parallel by current collecting tier；Current collecting tier includes positive pole welding piece, elastic piece structure and supporting construction；The positive pole of positive pole welding piece and cell is welded, and the negative pole of cell is crimped by the elastic piece structure, and supporting construction is used to positioning and supporting the cell.Lithium ion battery module provided by the utility model and battery bag, using multi-functional current collecting tier, light weight, improve the mass energy densities of battery modules；Each cell realizes fast integration by way of shell fragment crimping, improves the efficiency of assembling, facilitates the dismounting and recycling of lithium ion battery；The weak attachment structure design of the heavy platform position of current collecting tier positive pole welding plays a part of fuse protection in cell short circuit, lifts the security of battery modules and battery bag.
Description
Technical field
It the utility model is related to lithium ion battery assembling technical field, more particularly to a kind of lithium ion battery module and battery
Bag.
Background technology
In recent years, as environmental pollution, fossil energy jeopardize, the pass of the continuous boosting common people and government department to new energy
Note, the especially application of new energy power lithium-ion battery, receives much concern.Various countries go out for new energy power lithium-ion battery
The a large amount of relevant policies of platform.
Lithium ion battery is a kind of secondary cell (rechargeable battery), and it relies primarily on lithium ion and moved between a positive electrode and a negative electrode
Move and carry out work.In charge and discharge process, Li+ comes and goes insertion and deintercalation between two electrodes：During charging, Li+ from positive pole deintercalation,
Negative pole is embedded in by electrolyte, negative pole is in rich lithium state；It is then opposite during electric discharge.Lithium ion battery energy density is big, average defeated
Go out voltage height.Self discharge is small, good battery, (can monthly recover) below 2%.There is no memory effect.Operating temperature range is wide
For -20 DEG C~60 DEG C.Cycle performance is superior, can fast charging and discharging, charge efficiency be up to 100%, and output power.Use
Long lifespan.Without poisonous and harmful substance, it is referred to as green battery.
Since 2016, New Energy Sources In China market is to the policy guidance of new energy, in particular for applied to new energy
The national standard policy of the power lithium-ion battery of source automotive field is put into effect in full preparation, and relevant policies are oriented to substantially, and all guiding refer to
To：1st, energy density will be lifted constantly；2nd, the ability that battery will possess recovery and echelon utilizes；3rd, battery applications process peace is ensured
Entirely；But it is inadequate to this three aspect attention rates in this area a few years ago, involved Technology design and batch produce before causing
Product consider not enough for 3 points to more than.
Utility model content
The utility model is the drawbacks described above for solving prior art, there is provided a kind of lithium ion battery module group unit and battery
Bag.
On the one hand, the utility model provides a kind of lithium ion battery module, includes the battery modules unit of multiple series connection, institute
Stating battery modules unit includes multiple cells and current collecting tier, and the multiple cell is in parallel in the current collecting tier；Institute
Stating current collecting tier includes positive pole welding piece, elastic piece structure and supporting construction；The positive pole of the positive pole welding piece and the cell
Welding, the negative pole of the cell are crimped by the elastic piece structure, and the supporting construction is used to positioning and supporting the list
Body battery.
Wherein, the material of the elastic piece structure is metal material.
Wherein, the elastic piece structure includes the shell fragment pressure connection terminal on the upside of shell fragment and the shell fragment welding base angle of shell fragment bottom, institute
Shell fragment welding base angle is stated to be fixedly connected in the shell fragment installation plunger stage of current collecting tier.
Wherein, the supporting construction includes current collecting tier lower convex platform and current collecting tier convex platform, the current collecting tier lower convex platform and collection
Stream row's convex platform is respectively arranged at current collecting tier both sides up and down.
Wherein, the current collecting tier sets positive pole to weld heavy platform with cell positive pole junction.
Wherein, perforate is set on the heavy platform of positive pole welding, for the pressure release when battery vent is opened.
Wherein, weak attachment structure is provided between the perforate and the positive pole welding piece, when cell generation is short
Road, weak attachment structure fusing.
Wherein, the weak attachment structure is connection sheet, and the connection sheet is spiral curve configuration.
Wherein, the lithium ion battery module also includes lithium ion battery fast integration structural fittings, the lithium-ion electric
Pond fast integration structural fittings are arranged on the upper and lower end face and side of the battery modules unit.
On the other hand, the utility model also provides a kind of lithium ion battery bag, including above-mentioned lithium ion battery module and case
Body, the casing is interior to set neck, and the lithium ion battery module is fixedly connected in casing by neck.
Lithium ion battery module provided by the utility model and battery bag, conventional batteries mould is replaced by special current collecting tier
Current collecting tier, water conservancy diversion extension stem and structure stand in group, the function of 3 kinds of parts is integrated, reduces accessory in battery modules
Weight accounting, so as to improve the mass energy density of battery modules；It is simple in construction easily to realize batch and automation, it is assembled into
This is cheap；Each cell realizes fast integration by way of shell fragment crimping, improves the efficiency of assembling, facilitates lithium-ion electric
The dismounting and recycling in pond；From the weak attachment structure of the heavy platform position of current collecting tier positive pole welding is designed in cell short circuit
To the effect of fuse protection, the security of battery bag is lifted.
Brief description of the drawings
Fig. 1 is the lithium ion battery module group unit structural representation provided according to the utility model embodiment；
Fig. 2 is the current collecting tier structural representation provided according to the utility model embodiment；
Fig. 3 is the battery module structure decomposing schematic representation provided according to the utility model embodiment；
Fig. 4 is the elastic piece structure schematic diagram provided according to the utility model embodiment；
Fig. 5 is the shell fragment assembly structure diagram provided according to the utility model embodiment；
In figure：1：Current collecting tier；2：Shell fragment；3：Cell；11：Current collecting tier lower convex platform；12：Current collecting tier convex platform；13：Bullet
Piece installation plunger stage；14：The heavy platform of positive pole welding；15：Positive pole welding piece；16：Connection sheet；17：Perforate；21：Shell fragment pressure connection terminal；22：
Shell fragment welds footing.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is explicitly described, it is clear that described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
The lithium ion battery module that the utility model embodiment provides includes the battery modules unit of multiple series connection, and Fig. 1 is
The lithium ion battery module group unit structural representation provided according to the utility model embodiment, as shown in figure 1, the battery modules
Unit includes multiple cells 3 and current collecting tier 1, and multiple cells 3 are in parallel in current collecting tier 1；Fig. 2 is new according to this practicality
The current collecting tier structural representation that type embodiment provides, as shown in Fig. 2 the current collecting tier includes positive pole welding piece 15, elastic piece structure
And supporting construction；The positive pole of the positive pole welding piece 15 and the cell 3 welds, and the negative pole of the cell 3 passes through
The elastic piece structure crimping, the supporting construction, which is used to position, supports the cell 3.
Lithium ion battery module provided by the utility model, the collection in conventional batteries module is replaced by special current collecting tier
Stream row, water conservancy diversion extension stem and structure stand, integrate the function of 3 kinds of parts, reduce weight of the accessory in battery modules and account for
Than so as to improve the mass energy density of battery modules；It is simple in construction easily to realize that batch and automation, assembly cost are cheap；
Each cell realizes fast integration by way of shell fragment crimping, improves the efficiency of assembling, facilitates tearing open for lithium ion battery
Unload and reuse；The weak attachment structure design of the heavy platform position of current collecting tier positive pole welding plays fusing in cell short circuit
The effect of protection, lift the security of lithium ion battery module.
Specifically, battery modules unit includes multiple cells and current collecting tier, and Fig. 3 is according to the utility model embodiment
The battery module structure decomposing schematic representation of offer, as shown in figure 3, current collecting tier includes positive pole welding piece 15, elastic piece structure and support
Structure, the position of positive pole welding piece 15 is welded in the positive pole of cell 3, negative pole uses the structure of shell fragment 2 by adjacent cell 3
Crimping.Supporting construction includes current collecting tier convex platform 12 and current collecting tier lower convex platform 11, current collecting tier convex platform 12 and current collecting tier lower convex platform
11 block cell 3, play a part of positioning support.The multiple cells 3 welded on same current collecting tier 1 are parallel connection,
Multiple battery modules units are completed the series connection of cell 3 by current collecting tier grafting, form lithium ion battery module.
As depicted in figs. 1 and 2, shell fragment 2, shell fragment 2 and the positive pole welding piece of the positive terminal of battery 3 welding are included on current collecting tier 1
15th, the current collecting tier convex platform 12 and current collecting tier lower convex platform 11 of positioning supporting role are played, substitutes the injection in traditional Integrated Solution
Support and water conservancy diversion extension stem, and then the function of the injection molding support of traditional structure, water conservancy diversion extension stem and current collecting tier is integrated into one
On individual special current collecting tier 1；The structure of shell fragment 2 crimps adjacent cell 3 by the gap between cell 3,
And play stable and reliable guide functions.In the present embodiment, current collecting tier convex platform 12 and current collecting tier lower convex platform 11 are in afflux
Scheme is molded by integrated punching to prepare, do not introduce second component on row.In battery integrates assembling process, current collecting tier is convex
Platform 12 is coordinated with the negative pole end of battery 3, and current collecting tier lower convex platform 11 is coordinated with the positive terminal of battery 3, and the structure can be monomer
Battery 3 provides effective positioning and support and its simple in construction, light weight.
On the basis of above-described embodiment, the material of the elastic piece structure is metal material, and good heat conductivity, this practicality is newly
Type embodiment is crimped using elastic piece structure to cell, and surrounding phase is carried out to battery using injection molding support with traditional scheme
Than being easy to heat of the battery under operating mode to distribute, being provided convenience for the heat management of whole system；Due to current collecting tier and shell fragment sheet
Body is non-combustible, therefore can effectively improve the overall flame-retarding characteristic of battery bag；Reduce the use of injection molding support, be easy to the battery bag later stage
Recycling, reduce harmful effect of the plastic products to environment.
Fig. 4 is the elastic piece structure schematic diagram provided according to the utility model embodiment；Fig. 5 is to be implemented according to the utility model
The shell fragment assembly structure diagram that example provides；As shown in Figure 4 and Figure 5, elastic piece structure includes the shell fragment pressure connection terminal 21 of the upside of shell fragment 2
Base angle 22 is welded with the shell fragment of the bottom of shell fragment 2, the shell fragment welding base angle 22 is fixedly connected on the shell fragment installation plunger stage of current collecting tier 1
On 13.The characteristics of shell fragment 2 is, only in one direction --- it is easily bent in minimum rigidity plane, and has in the other directions
There are big tensible rigidity and bending stiffness.Therefore, flat spring is suitably used for doing the sensitivity member in instrumentation or automatics very much
Part, elastic bearing, positioner, flexible connection etc..
On the basis of the various embodiments described above, current collecting tier 1 sets positive pole to weld heavy platform with the positive pole junction of cell 3
14, the positive pole welds and sets positive pole welding piece 15 on heavy platform 14, and the positive pole of the cell 3 is being welded in current collecting tier 1 just
The position of pole welding piece 15.Perforate 17 is set on the heavy platform 14 of positive pole welding, for the pressure release when battery vent is opened.
Vent refers to the safety device in battery container or the design of upper lid privileged site, exceeds normal model in battery core air pressure inside
After enclosing, this device, which can pop, discharges pressure, to protect battery core not explode.In the present embodiment, heavy platform 14 is welded in positive pole
Upper setting perforate 17, can coordinate cell 3 to carry out pressure release, prevents lithium ion battery pressure when cell vent is opened
Power is excessive to explode.
On the basis of the various embodiments described above, weak attachment structure is provided between perforate 17 and positive pole welding piece 15, when
When short circuit occurs for cell 3, weak attachment structure fusing.
When internal short-circuit occurs for cell 3, generation electric current pours in down a chimney, and causes weak attachment structure to fuse, and plays fuse work
With.The design of weak attachment structure can prevent the short circuit of cell 3 from causing security incident, lift the peace of lithium ion battery module
Quan Xing.
On the basis of the various embodiments described above, the weak attachment structure is connection sheet, and the connection sheet 16 is helical curve
Cable architecture.As shown in Fig. 2 connection sheet 16 is three spiral curve configurations of circle distribution, the structure can ensure cell 3
After positive pole welds with positive pole welding piece 15, when cell 3 relatively moves with special current collecting tier 1, spiral curve configuration
Certain cushioning effect is provided.Compared to linear structure, spiral curve configuration can avoid connection sheet 16 from being excessively stretched and influence to connect
The stability of contact pin performance.When 3 fast quick-detach of cell reuses, connection sheet 16 can simply and rapidly disconnect, no
Influence the secondary application of battery.
On the basis of the various embodiments described above, the lithium ion battery module also includes lithium ion battery fast integration structure
Accessory, the lithium ion battery fast integration structural fittings are used for end face crimping and the module side of lithium ion battery module
Insulation protection.Lithium ion battery fast integration structural fittings are according to the profile arrangement of battery modules unit, battery modules list
The upper and lower ends and side of member are crimped using lithium ion battery fast integration structural fittings, and fast integration structural fittings play
Insulation and the effect of structural framework.
On the basis of the various embodiments described above, the lithium ion battery bag of the utility model embodiment offer, including above-mentioned lithium
Ion battery module and casing, the casing is interior to set neck, and the lithium ion battery module is fixedly connected on case by neck
In vivo.
In battery bag preparation process, according to the design feature of lithium ion battery module, casing ad-hoc location is done into card release
Groove position, to fix lithium ion battery module.The lithium ion battery bag that the utility model embodiment provides, passes through special afflux
Current collecting tier, water conservancy diversion extension stem and the structure stand in conventional batteries module are replaced in displacement, integrate the function of 3 kinds of parts, reduce
Weight accounting of the accessory in battery modules, so as to improve the mass energy density of battery bag；Each battery passes through shell fragment pressure
The mode of connecing realizes fast integration, improves the efficiency of assembling, facilitates the dismounting and recycling of lithium ion battery；Current collecting tier positive pole
The weak attachment structure design of the heavy platform position of welding plays a part of fuse protection in cell short circuit, improves lithium ion
The security of battery bag.
Above-described embodiment illustrated below, the lithium ion battery bag and traditional lithium provided for the utility model embodiment
Ion battery bag, contrast in terms of battery bag weight and battery bag security.
26650 box hat ternary system batteries of selection standard as design sample, using 32 and 156 string battery bags be used as than
To design object, the 9728pcs batteries of same batch ad eundem are randomly divided into two groups before contrast, are respectively used to prepare this reality
The lithium ion battery bag and conventional lithium ion battery bag provided with new embodiment, in preparation process in 9728 cells
Go out two with the internal short-circuit battery replacement of design, be respectively placed in the same position of two battery sample packets.
The battery bag assembling process that the utility model embodiment provides, the current collecting tier positive pole weldering of lithium ion battery module group unit
Connect heavy platform position and perforate and weak attachment structure are set, anode is welded on to the positive pole welding piece position of heavy platform, battery is born
Pole is crimped battery using elastic piece structure, above-mentioned lithium ion battery module group unit is connected, using lithium ion battery fast integration
Structural fittings are crimped multiple lithium ion battery module group units, form lithium ion battery module.By lithium ion battery module
The box house of neck is installed to, the battery bag that composition the utility model embodiment provides, is designated as sample one；
In traditional battery bag assembling process, by battery arrangement in upper and lower bracket, with current collecting tier by anode end with
And negative pole end carries out spot welding respectively, single battery modules are formed with this, single module stacking is got up, both ends pressing plate and insulation
Material crimps end face, runs through whole battery modules by long bolt, compresses the pressing plate of both ends of the surface by bolt and nut, realizes
Crimping conducting between module, the module formed with this is installed in Battery case, module is fixed into Battery case with bolt
On, traditional lithium ion battery bag is assembled into, is designated as battery sample packet two.
Sample one and sample two are weighed using electronic weighing appliance, draw the weight contrast of sample one and sample two
(calculating current collecting tier, support, pressing plate and neck weight), weight contrast is as shown in the table：
Test result indicates that the weight of sample one, which compares sample two, can mitigate 39.684Kg.Therefore the utility model embodiment
The lithium ion battery bag of offer, weight accounting of the accessory in battery bag is reduced, so as to improve the mass-energy of battery bag
Density.
The short circuit battery of inside battery design is ignited, measures sample one and the short circuit battery of sample two ignites front and rear electricity
Pressure, detect the state after two sample short circuits are disassembled；Measurement result is as shown in the table：
From experimental result, rise and burn in sample two after cell short circuit, inside battery bag, current collecting tier melting, battery
Burn.The battery bag of sample one provided for the utility model embodiment, when internal short-circuit occurs for cell, electric current occurs and falls
Fill, the weak attachment structure fusing set in battery bag on current collecting tier, play a part of fuse.The design of weak attachment structure
It can prevent cell short circuit from causing security incident, lift the security of lithium ion battery module.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.Term " on ", " under " etc. refers to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to limitation of the present utility model.Unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in the utility model.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in foregoing individual embodiments, or which part technical characteristic is carried out
Equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment of the utility model
The spirit and scope of technical scheme.
Claims (10)
1. a kind of lithium ion battery module, it is characterised in that the battery modules unit including multiple series connection, the battery modules list
Member includes multiple cells and current collecting tier, and the multiple cell is in parallel in the current collecting tier；The current collecting tier includes
Positive pole welding piece, elastic piece structure and supporting construction；The positive pole of the positive pole welding piece and the cell welds, the monomer
The negative pole of battery is crimped by the elastic piece structure, and the supporting construction is used to positioning and supporting the cell.
2. lithium ion battery module according to claim 1, it is characterised in that the material of the elastic piece structure is metal material
Material.
3. lithium ion battery module according to claim 1 or 2, it is characterised in that the elastic piece structure is included on shell fragment
The shell fragment pressure connection terminal of side and the shell fragment welding base angle of shell fragment bottom, the shell fragment welding base angle is fixedly connected on the shell fragment of current collecting tier
In installation plunger stage.
4. lithium ion battery module according to claim 1, it is characterised in that the supporting construction includes convex under current collecting tier
Platform and current collecting tier convex platform, the current collecting tier lower convex platform and current collecting tier convex platform are respectively arranged at current collecting tier both sides up and down.
5. lithium ion battery module according to claim 1, it is characterised in that the current collecting tier connects with cell positive pole
Meeting place sets positive pole to weld heavy platform.
6. lithium ion battery module according to claim 5, it is characterised in that set and open on the heavy platform of positive pole welding
Hole.
7. lithium ion battery module according to claim 6, it is characterised in that the perforate and the positive pole welding piece it
Between be provided with weak attachment structure, when cell occurs short-circuit, the fusing of weak attachment structure.
8. lithium ion battery module according to claim 7, it is characterised in that the weak attachment structure is connection sheet,
The connection sheet is spiral curve configuration.
9. lithium ion battery module according to claim 1, it is characterised in that the lithium ion battery module also includes lithium
Ion battery fast integration structural fittings, the lithium ion battery fast integration structural fittings are arranged on the battery modules unit
Upper and lower end face and side.
10. a kind of lithium ion battery bag, it is characterised in that including the lithium ion battery module and case as described in claim 1~9
Body, the casing is interior to set neck, and the lithium ion battery module is fixedly connected in casing by neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072637.7U CN207097932U (en) | 2017-08-25 | 2017-08-25 | A kind of lithium ion battery module and battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072637.7U CN207097932U (en) | 2017-08-25 | 2017-08-25 | A kind of lithium ion battery module and battery bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097932U true CN207097932U (en) | 2018-03-13 |
Family
ID=61539260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072637.7U Active CN207097932U (en) | 2017-08-25 | 2017-08-25 | A kind of lithium ion battery module and battery bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
| WO2020042544A1 (en) * | 2018-08-28 | 2020-03-05 | 纳恩博（北京）科技有限公司 | Fixing device for an energy body group |
-
2017
- 2017-08-25 CN CN201721072637.7U patent/CN207097932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
| CN107611327B (en) * | 2017-08-25 | 2023-06-09 | 大连中比动力电池有限公司 | Lithium ion battery module and battery pack |
| WO2020042544A1 (en) * | 2018-08-28 | 2020-03-05 | 纳恩博（北京）科技有限公司 | Fixing device for an energy body group |
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