CN108695482A - Encapsulating structure suitable for high current soft-package battery group - Google Patents
Encapsulating structure suitable for high current soft-package battery group Download PDFInfo
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- CN108695482A CN108695482A CN201810474883.8A CN201810474883A CN108695482A CN 108695482 A CN108695482 A CN 108695482A CN 201810474883 A CN201810474883 A CN 201810474883A CN 108695482 A CN108695482 A CN 108695482A
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- China
- Prior art keywords
- lock lever
- check lock
- soft
- package battery
- high current
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 56
- 239000000178 monomer Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 furthermore Chemical compound 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of encapsulating structure suitable for high current soft-package battery group, including multiple soft-package battery monomers, the positive and negative anodes between adjacent soft-package battery monomer pass through connecting bridge respectively(3)Connection, packaging of soft packaged monomer include multiple being respectively equipped with positive pole ear(1)And negative lug(1.1)Soft pack cell, by positive check lock lever(2)With cathode check lock lever(2.1)The check lock lever of composition, multiple cylindrical conductors(5), positive check lock lever(2)Concatenate positive pole ear(1), cathode check lock lever(2.1)Concatenate negative lug(1.1), cylindrical conductor(5)It is socketed on check lock lever and is clamped between adjacent lug by check lock lever.The present invention clamps the structure type of lug using copper post, reduces contact resistance and provides larger conductor cross sectional area, disclosure satisfy that the design requirement of super-high-current, while meeting and being directed to capacity 4000mAh, discharge-rate 30C(120A)Maximum discharge current demand.
Description
Technical field
The present invention relates to battery manufacturing fields, more particularly to a kind of encapsulation knot suitable for high current soft-package battery group
Structure.
Background technology
In recent years, lithium ion battery is since operating voltage is high, energy density is big, memory-less effect, has extended cycle life, without dirt
The advantages that dye, is applied in electron stored energy and special purpose battery more and more widely.It is well known that battery module makes
With in the process, under the conditions of inside battery or external cause such as temperature, mechanical shock, the safe things such as explosion on fire are caused
Therefore cause damages to life and property, it is extremely urgent to improve battery security.Currently, the encapsulation of lithium ion battery mainly has three
Kind shape, column lithium ion battery, rectangular lithium ion battery, aluminum plastic film flexible packing lithium ion battery, aluminum plastic film soft-package battery
There is the features such as energy density is high, ductility is good, but it bears that mechanical load capability is poor, and soft pack cell is easy in collision and shell
Body contact leads to short circuit, and it is impossible to meet the design requirements of super-high-current.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of envelopes suitable for high current soft-package battery group
Assembling structure.
The purpose of the present invention is achieved through the following technical solutions:Encapsulation knot suitable for high current soft-package battery group
Structure, the positive and negative anodes between adjacent soft-package battery monomer are connected by connecting bridge respectively;
The soft-package battery monomer includes check lock lever, multiple soft pack cells and multiple cylindrical conductors, and the check lock lever is by anode
Check lock lever and cathode check lock lever composition, each soft pack cell are equipped with positive pole ear and negative lug, are set on the positive pole ear
There are the first through hole with positive check lock lever cooperation, the negative lug to be equipped with the second through-hole coordinated with cathode check lock lever, institute
Stating positive check lock lever sequentially passes through the first through hole, the cathode check lock lever sequentially to pass through second through-hole;
The cylindrical conductor is axially arranged with the through hole coordinated with the check lock lever, and the cylindrical conductor is socketed in the check lock lever
On, and be clamped between adjacent lug by check lock lever.
The cylindrical conductor is copper post.
The soft-package battery monomer further includes L-type folding ear, and the side plate of the L-type folding ear is equipped with and the check lock lever phase
The third through-hole matched, side plate are locked by check lock lever, and top plate draws binding post upwards, and the connecting bridge is connected to adjacent soft
Between the binding post of packet battery cell.
The side plate is clamped between the cell polar ear of outer end and the cylindrical conductor of outer end.
The L-type folding ear is that copper L-type rolls over ear.
The soft-package battery monomer further includes T-type insulating support, and the T-type insulating support includes fixed part and support portion,
Fixed part is equipped with the through-hole that coordinates with check lock lever and is fixed on check lock lever both ends by check lock lever, the top of the support portion to
Outside extends and exceeds single battery width.
The tail portion of the support portion is to battery cell internal stretch and is stuck between the side plate.
The fixed part is lock onto between the cell polar ear of outer end and locking nut.
The T-type insulating support is ABS insulating supports.
The check lock lever is screw rod, and one end of the screw rod is nut, and the other end is locked by locking nut.
The beneficial effects of the invention are as follows:
1)Cylindrical conductor is socketed on check lock lever, and is clamped by screw rod both ends, so that cylindrical conductor is clamped between adjacent lug, energy
Enough make the smooth close contact in the section of lug piece and cylindrical conductor, and then reduce contact resistance, reduces in electric current transmission process
Loss, increase battery, and form clamped to provide larger conductor cross sectional area using copper post, disclosure satisfy that excessive
The design requirement of electric current.
2)L-type folding ear is set to the both ends of battery cell and draws binding post upwards, and binding post rolls over ear and lug phase by L-type
Even so that total is compacter, L-type is rolled over ear side plate since the distance between adjacent lug is fixed convenient for concatenation
Between the cell polar ear of outer end and the cylindrical conductor of outer end, thickness one section of cylindricality of replacement that ear side plate can be rolled over L-type is led
The length of body reaches same water conservancy diversion effect, has saved the materials of four cylindrical conductors in outer end, reduces cost, furthermore, by L
Type folding ear side plate, which is set between the cell polar ear and the cylindrical conductor of outer end of outer end, can also shorten length needed for screw rod, can also expire
The Miniaturization Design that sufficient soft-package battery monomer is needed due to the limitation of shell can effectively avoid colliding in handling process
The problem of making screw rod both ends be contacted with shell.
3)The thermal conductivity and good conductivity of copper, yield is big, moderate and not oxidizable in dry air, by copper
L-type folding ear processed and copper post are socketed on check lock lever, and the surface of copper will not generate oxidation film, then when its section is contacted with lug piece not
It will produce the film layer resistance constituted by contact surface film layer and other pollutants.
4)By check lock lever under the premise of can support cylindrical conductor, the screw rod for as selecting diameter small as possible connects as centre
Then fitting does cylindrical conductor sectional area greatly as possible, cylindrical conductor is also protected with lug contact area, decreases and connects
It gets an electric shock and hinders, enabling pass through the electric current of bigger.
5)Extend and exceed single battery width at the top of the support portion of T-type insulating support outward, makes battery cell just
Cathode is kept apart with shell, plays the role of insulation protection, can prevent collision trailing flank positive and negative electrode(Locking nut)It connects simultaneously
The impact stress that screw rod is subject to when touching battery case and short circuit occurs, and effectively can disperse to collide is to play protection screw rod
Effect, prevent screw rod deformation or damage due to collision.
6)The tail portion of support portion is to battery cell internal stretch and between being stuck in the side plate, the cross-shaped configuration of formation into
One step fixes total, and each packaging of soft packaged monomer is consolidated and is supported in battery case, battery is avoided to collide.
7)T-type insulating support uses ABS material, and ABS material intensity height, good toughness are easily processed into type, ABS insulation branch
Frame can prevent battery positive and negative electrode from being contacted with shell and the accidents generation such as cause electric leakage, short circuit, gets an electric shock.
Description of the drawings
Fig. 1 is overall structure figure of the present invention;
Fig. 2 is the structure chart of soft-package battery monomer of the present invention;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the vertical view of Fig. 1:
In figure, 1- positive pole ears, 1.1- negative lugs, 2- anode check lock levers, 2.1- cathode check lock levers, 3- connecting bridges, 4- wiring
Column, 5- cylindrical conductors, 6-L types folding ear, 6.1- side plates, 6.2- top plates, 7-T type insulating supports, 7.1- fixed parts, the tops 7.2-,
7.3- tail portion.
Specific implementation mode
Below in conjunction with embodiment, technical scheme of the present invention is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that technical staff is obtained under the premise of not making the creative labor belongs to what the present invention protected
Range.
Refering to fig. 1-5, the present invention provides a kind of technical solution:Suitable for the encapsulating structure of high current soft-package battery group, packet
Multiple soft-package battery monomers are included, the positive and negative anodes between adjacent soft-package battery monomer are connected by connecting bridge 3 respectively, then described soft
It is connected in series between packet battery cell, it is compact-sized, it is easy to connect, it is preferred that the connecting bridge 3 can be copper connecting bridge, at
This is relatively low, and conductive capability is strong.
The soft-package battery monomer includes check lock lever and multiple soft pack cells, and each soft pack cell is equipped with positive pole ear 1
With negative lug 1.1, the check lock lever is made of positive check lock lever 2 and cathode check lock lever 2.1, and the positive pole ear 1 is equipped with
The first through hole coordinated with positive check lock lever 2, the negative lug 1.1 are equipped with second coordinated with cathode check lock lever 2.1 and lead to
Hole, the anode check lock lever 2 sequentially pass through the first through hole, the cathode check lock lever 2.1 sequentially to pass through second through-hole,
The positive pole ear of soft pack cell 1, the concatenation of negative lug 1.1 are formed as one parallel-connection structure respectively.
The soft-package battery monomer further includes multiple cylindrical conductors 5, the pole of the length of cylindrical conductor 5 and adjacent soft pack cell
Spacing between ear matches, and the cylindrical conductor 5 is axially arranged with the through hole coordinated with the check lock lever, the cylindrical conductor
5 are socketed on the check lock lever, and are clamped by screw rod both ends, and cylindrical conductor 5 is made to be clamped between adjacent lug, can make lug
The smooth close contact in section of piece and cylindrical conductor 5, and then contact resistance is reduced, reduce the loss in electric current transmission process, increases
Long battery.The cylindrical conductor 5 is clamped between the lug of adjacent soft pack cell, then when the number of the soft pack cell
When amount is n, 5 total quantity of cylindrical conductor needed is 2*(n-1)It is a.
The cylindrical conductor 5 is copper post, and copper is that purplish red non-ferrous metal, thermal conductivity and electric conductivity are only second in all metals
Silver, and only this is moderate in aluminium for the yield of copper, furthermore, copper is not oxidizable in dry air, copper post is socketed in described
On check lock lever, the surface of copper post will not generate oxidation film, then not will produce due to contact surface when its section is contacted with lug piece
The film layer resistance that film layer and other pollutants are constituted.
The check lock lever is screw rod, and one end of the screw rod is nut, and the other end is locked by locking nut, the spiral shell of screw rod
Revolve structure installation bolt can lock cylindrical conductor 5 in order to fixed at its end so that cylindrical conductor 5 can be by lug piece jail
It is securely fixed, furthermore, because of the presence of screw surface helicla flute so that there are gap between the check lock lever and the cylindrical conductor 5,
Achieve the effect that ventilation and heat, and imperfect contact between the two to a certain extent, reduces rubbing surface between the two
Product, effectively extends the service life of entire parallel-connection structure.
Preferably, the small spiral shell of diameter can be selected as far as possible by the check lock lever under the premise of can support cylindrical conductor 5
Then bar does the sectional area of cylindrical conductor 5 greatly as possible as intermediate connector, cylindrical conductor 5 is also obtained with lug contact area
To guarantee, contact resistance is decreased, enabling pass through the electric current of bigger.
Further, according to I=US/PL=S*U/PL, it is known that the resistivity P of the material of resistance is made and turns to resistance
Conductor length L is definite value(Resistance herein is cylindrical conductor 5), then in the case where voltage U is constant, electric current I and cross-sectional area S
For proportional relation, disclosure satisfy that for capacity 4000mAh, discharge-rate 30C(120A)Maximum discharge current demand, and copper post
Larger conductor cross sectional area can more be provided by clamping form, disclosure satisfy that the design requirement of super-high-current, furthermore, since maximum is discharged
Ampere number=conductor cross sectional area square millimeter numerical value * engineering coefficient K, for big rate battery in short-term, K values 10 ~ 12, column
The sectional area calculation formula of shape conductor 5 is:Conductor cross sectional area square millimeter numerical value=maximum discharge current amperage/engineering coefficient
K, then to meet the maximum discharge current requirement of 120A, the sectional area of cylindrical conductor 5 needs to accomplish 10-12mm2, it is conducive to add
Work manufactures.
The soft-package battery monomer further includes L-type folding ear 6, and the side plate 6.1 of the L-type folding ear 6 is equipped with and the locking
The third through-hole that bar matches, side plate 6.1 are locked by check lock lever, then the check lock lever passes through the side plate 6.1, top plate
6.2 draw binding post 4 upwards, and the connecting bridge 3 is connected between the binding post 4 of adjacent soft-package battery monomer, and binding post 4 is distinguished
The positive and negative electrode of the soft-package battery monomer is connected with conducting wire, convenient and efficient, binding post 4 is connected with L-type folding ear 6 so that whole
A structure is compacter, is convenient for concatenation.
Preferably, the top plate 6.2 is equipped with the fourth hole to match with the binding post 4, then can be straight by binding post 4
The fixation work that binding post 4 and L-type folding ear 6 can be completed across fourth hole is connect, it is simple in structure, it is convenient and practical.
The described L-type folding ear 6 is that copper L-type rolls over ear, and the side plate 6.1 of L-type folding ear 6 is contacted with copper post, top plate 6.2 with it is described
Binding post 4 contacts, and can also achieve the effect that reduce contact resistance as previously described.
The side plate 6.1 is clamped between the cell polar ear of outer end and the cylindrical conductor 5 of outer end, due between adjacent lug
Distance be it is fixed, by L-type roll over ear 6 side plate 6.1 be set to outer end cell polar ear and the cylindrical conductor 5 of outer end between, energy
The thickness of enough side plates 6.1 substitutes the length of one section of cylindrical conductor 5 to reach same water conservancy diversion effect, has saved the column of outer end four
The materials of shape conductor 5 reduce cost, furthermore, the side plate 6.1 of L-type folding ear 6 is set to the column of the cell polar ear and outer end of outer end
Length needed for screw rod can also be shortened between shape conductor, it is small also to disclosure satisfy that soft-package battery monomer is needed due to the limitation of shell
Typeization designs, and can effectively avoid the problem that colliding in handling process that screw rod both ends is made to contact with shell.
The side plate 6.1 of the L-type folding ear 6 can be that two kinds of shapes add first, when side plate 6.1 is identical as the section of lug
Work is relatively easy to, second, when side plate 6.1 with the section phase of cylindrical conductor 5 simultaneously as cylindrical conductor 5 concatenates on lug has had
For the condition of the maximum current-carrying of circulation, then side plate 6.1 is identical as the section of cylindrical conductor 5, can play same as cylindrical conductor 5
Effect, binding post 4 is then transferred current to by the top plate 6.2 being connected with side plate 6.1, compared to the former, the latter
Materials are then saved, it is cost-effective.
The soft-package battery monomer further includes T-type insulating support 7, and the T-type insulating support 7 includes fixed part 7.1 and branch
Support part, fixed part 7.1 are equipped with the through-hole coordinated with check lock lever and are fixed on check lock lever both ends, the fixed part by check lock lever
7.1 lock onto between the cell polar ear of outer end and locking nut, stable structure.
In the present invention, intermediate connector of the check lock lever as support concatenation cylindrical conductor 5 and lug, check lock lever can be held
Certain electric current is carried, the top 7.2 of the support portion extends and exceed single battery width, makes the positive and negative of battery cell outward
Pole keeps apart with shell, plays the role of insulation protection circuit, can prevent collision trailing flank positive and negative electrode(Locking nut)Simultaneously
The impact stress that screw rod is subject to when contacting battery case and short circuit occurs, and effectively can disperse to collide is to play protection spiral shell
The effect of bar prevents screw rod deformation or damage due to collision.
The tail portion 7.3 of the support portion is to battery cell internal stretch and between being stuck in the side plate, formation it is cross
Structure further fixes total, and each packaging of soft packaged monomer is consolidated and is supported in battery case, battery is avoided to collide.
Further, the tail portion 7.3 of the support portion may be selected suitable length and make positive pole ear 1, negative lug 1.1
Fixed function is not contacted and played, good cross-ventilation effect can be played while cost-effective with to entire monomer
Battery ventilation and heat, and to a certain extent, the aging of T-type insulating support 7 can be prevented.
Preferably, the T-type insulating support 7 is ABS insulating supports, and ABS material intensity height, good toughness are easy to process
Molding, ABS insulating supports can prevent battery positive and negative electrode from being contacted with shell and the accidents generation such as cause electric leakage, short circuit, get an electric shock.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (10)
1. suitable for the encapsulating structure of high current soft-package battery group, including multiple soft-package battery monomers, it is characterised in that:It is adjacent soft
Positive and negative anodes between packet battery cell pass through connecting bridge respectively(3)Connection;
The soft-package battery monomer includes check lock lever, multiple soft pack cells and multiple cylindrical conductors(5), the check lock lever is by just
Pole check lock lever(2)With cathode check lock lever(2.1)Composition, each soft pack cell are equipped with positive pole ear(1)And negative lug
(1.1), the positive pole ear(1)It is equipped with and positive check lock lever(2)The first through hole of cooperation, the negative lug(1.1)On
Equipped with cathode check lock lever(2.1)Second through-hole of cooperation, the anode check lock lever(2)Sequentially pass through the first through hole, institute
State cathode check lock lever(2.1)Sequentially pass through second through-hole;
The cylindrical conductor(5)It is axially arranged with the through hole coordinated with the check lock lever, the cylindrical conductor(5)It is socketed in described
On check lock lever, and it is clamped between adjacent lug by check lock lever.
2. the encapsulating structure according to claim 1 suitable for high current soft-package battery group, it is characterised in that:The column
Shape conductor(5)For copper post.
3. the encapsulating structure according to claim 1 suitable for high current soft-package battery group, it is characterised in that:The Soft Roll
Battery cell further includes L-type folding ear(6), the L-type folding ear(6)Side plate(6.1)Equipped with what is matched with the check lock lever
Third through-hole, side plate(6.1)It is locked by check lock lever, top plate(6.2)Binding post is drawn upwards(4), the connecting bridge(3)
It is connected to the binding post of adjacent soft-package battery monomer(4)Between.
4. the encapsulating structure according to claim 3 suitable for high current soft-package battery group, it is characterised in that:The side plate
(6.1)It is clamped in the cell polar ear of outer end and the cylindrical conductor of outer end(5)Between.
5. the encapsulating structure according to claim 3 suitable for high current soft-package battery group, it is characterised in that:The L
Type rolls over ear(6)Ear is rolled over for copper L-type.
6. the encapsulating structure according to claim 1 suitable for high current soft-package battery group, it is characterised in that:The Soft Roll
Battery cell further includes T-type insulating support(7), the T-type insulating support(7)Including fixed part(7.1)And support portion, fixed part
(7.1)It is equipped with the through-hole coordinated with check lock lever and check lock lever both ends, the top of the support portion is fixed on by check lock lever
(7.2)Extend outward and exceeds single battery width.
7. the encapsulating structure according to claim 6 suitable for high current soft-package battery group, it is characterised in that:The support
The tail portion in portion(7.3)To battery cell internal stretch and it is stuck in the side plate(6.1)Between.
8. the encapsulating structure according to claim 6 suitable for high current soft-package battery group, it is characterised in that:The lock
Tight bar is screw rod, and one end of the screw rod is nut, and the other end is locked by locking nut.
9. the encapsulating structure according to claim 8 suitable for high current soft-package battery group, it is characterised in that:The fixation
Portion(7.1)It lock onto between the cell polar ear of outer end and locking nut.
10. the encapsulating structure according to claim 6 suitable for high current soft-package battery group, it is characterised in that:The T
Type insulating support(7)For ABS insulating supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474883.8A CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474883.8A CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN108695482A true CN108695482A (en) | 2018-10-23 |
| CN108695482B CN108695482B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810474883.8A Active CN108695482B (en) | 2018-05-17 | 2018-05-17 | Packaging structure suitable for high-current soft package battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916642A (en) * | 2020-07-15 | 2020-11-10 | 东莞塔菲尔新能源科技有限公司 | Battery, battery module and electric vehicle |
| CN112098238A (en) * | 2019-06-18 | 2020-12-18 | 万向一二三股份公司 | Method for measuring ductility of pit punching aluminum-plastic film for power lithium ion battery |
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| CN208284543U (en) * | 2018-05-17 | 2018-12-25 | 四川众联航泰科技有限公司 | Encapsulating structure suitable for high current soft-package battery group |
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| CN105977440A (en) * | 2016-07-06 | 2016-09-28 | 厦门宝龙新能源发展有限公司 | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery |
| CN208284543U (en) * | 2018-05-17 | 2018-12-25 | 四川众联航泰科技有限公司 | Encapsulating structure suitable for high current soft-package battery group |
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