CN208078036U - Serondary lithium battery - Google Patents
Serondary lithium battery Download PDFInfo
- Publication number
- CN208078036U CN208078036U CN201820730406.9U CN201820730406U CN208078036U CN 208078036 U CN208078036 U CN 208078036U CN 201820730406 U CN201820730406 U CN 201820730406U CN 208078036 U CN208078036 U CN 208078036U
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- lug
- pole
- connection sheet
- rim
- battery core
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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[Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 4
- 238000005275 alloying Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000003800 Pharynx Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a kind of serondary lithium battery, including cap assembly, battery core and Insulating frame, cap assembly includes the coping plate for opening up liquid injection hole, first pole, second pole and Explosion-proof valve, battery core includes the first lug and the second lug being connect with the first pole, the third lug and the 4th lug being connect with the second pole, Insulating frame is set between cap assembly and battery core, Insulating frame towards battery core direction tool there are four independent insulation boss chamber, the outer rim of first boss chamber is by the first lug, second lug and the first pole surround to form independent chamber along short transverse, the outer rim of second boss chamber is by third lug, 4th lug and the second pole surround to form independent chamber along short transverse, the outer rim of third boss chamber separates liquid injection hole, the outer rim of 4th boss chamber separates Explosion-proof valve.The utility model separates two groups of poles and lug, liquid injection hole and Explosion-proof valve, is in relatively independent insulating space, improves security performance.
Description
Technical field
The utility model belongs to the technical field of lithium battery, more particularly to a kind of serondary lithium battery.
Background technology
Great-capacity power battery (or energy-storage battery), the conductive section of the amount of capacity of the battery often lug of limited battery
Joining Technology is handled between area, and lug and lug in process of production, because the characteristics of existing equipment, throat thickness
Cannot be blocked up, which can solve the problems, such as this, and positive and negative lug uses Double-pole lug mode, ensure that design is desired
In the case that conductive section area is larger, the welding thickness of welding surface is reduced, the throat thickness for avoiding limitation to equipment can not be real
The problem of existing production technology.
Utility model content
The purpose of this utility model is to provide a kind of serondary lithium batteries, pass through four independent boss chambers of Insulating frame
Two groups of poles and lug, liquid injection hole and Explosion-proof valve are separated, it are made to be in relatively independent insulating space by room respectively,
Improve security performance.
The purpose of this utility model can be achieved through the following technical solutions：
Serondary lithium battery, including cap assembly, battery core and Insulating frame, the cap assembly include the top for opening up liquid injection hole
Cover plate, the first pole, the second pole and Explosion-proof valve, the battery core include the first lug being connect with the first pole and the second pole
Ear, the third lug being connect with the second pole and the 4th lug, the Insulating frame are set between cap assembly and battery core, absolutely
Edge frame towards battery core direction tool there are four independent insulation boss chamber, the outer rim of first boss chamber by the first lug,
Second lug and the first pole surround to form independent chamber along short transverse, the outer rim of second boss chamber by third lug,
4th lug and the second pole surround to form independent chamber along short transverse, the outer rim of third boss chamber by liquid injection hole every
It opens, the outer rim of the 4th boss chamber separates Explosion-proof valve.
It is separated using retainer between the sub-body and top lug of the battery core.
It is separated using insulating film between the outer rim and shell of the battery core.
First lug and the second lug are contacted by the bottom of the first connection sheet and the first pole, the third lug
It is contacted by the bottom of the second connection sheet and the second pole with the 4th lug.
There is first connecting portion on first lug, be located at the first connection sheet along the downside of short transverse, have first connecting portion
It is fixedly connected with the first connection sheet；First connection sheet is fixedly connected with the first lug, the second lug；First lug, the second lug
Make bending processing；Insulation gummed paper is pasted in bending.
Between first connection sheet and the first lug, the second lug be laser welding structure, second connection sheet with
It is laser welding structure between third lug, the 4th lug.
It is ultrasonic welding structure, second connection sheet between first connection sheet and the first lug, the second lug
It is ultrasonic welding structure between third lug, the 4th lug.
The beneficial effects of the utility model：The utility model separates two groups of poles and lug, liquid injection hole and Explosion-proof valve,
It is in relatively independent insulating space, improves security performance, meanwhile, liquid injection hole uses two step structures, facilitates automatic
The production of change controls, and improves production excellence rate and production stability.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the positive structure schematic of the utility model；
Fig. 2 is the side structure schematic diagram of the utility model；
Fig. 3 is the positive structure schematic of the utility model cap assembly；
Fig. 4 is the structure schematic diagram of the utility model cap assembly；
Fig. 5 is the upper ends Fig. 2 enlarged structure schematic diagram.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
A kind of serondary lithium battery as depicted in figs. 1 and 2, including cap assembly 1 (Fig. 3, Fig. 4), battery core 2 and Insulating frame
3。
Cap assembly 1 includes coping plate 11, the first pole 12, the second pole 13 and the Explosion-proof valve for opening up liquid injection hole 111
14.Battery core 2 includes the first lug 21 being connect with the first pole 12 and the second lug 22, the third pole being connect with the second pole 13
Ear 23 and the 4th lug 24.Insulating frame 3 is set between cap assembly 1 and battery core 2, sub-body and the top pole of battery core 2
It is separated using retainer 4 between ear, is separated using insulating film 5 between the outer rim and shell of battery core 2.
Insulating frame 3 towards battery core 2 direction tool there are four independent insulation boss chamber, first boss chamber 31 outside
Edge surrounds the first lug 21, the second lug 22 and the first pole 12 to form independent chamber along short transverse, second boss chamber
The outer rim of room 32 surrounds third lug 23, the 4th lug 24 and the second pole 13 to form independent chamber along short transverse, the
The outer rim of three boss chambers 33 separates liquid injection hole 111, and the outer rim of the 4th boss chamber 34 separates Explosion-proof valve 14.
First lug 21 and the second lug 22 are contacted by the bottom of the first connection sheet 15 and the first pole 12, the first connection
Ultrasonic bonding is used between piece 15 and the first lug 21, the second lug 22.Third lug 23 and the 4th lug 24 pass through second
The bottom of connection sheet 16 and the second pole 13 is contacted, using super between the second connection sheet 16 and third lug 23, the 4th lug 24
Sound wave welds.
There is first connecting portion on first pole 12, be located at the first connection sheet along the upside of short transverse, and first connects
Portion is fixedly connected with the first connection sheet, i.e., metal alloying connects；First connection sheet is fixedly connected with the first lug, the second lug；
First lug, the second lug make bending processing；Lug pastes insulation gummed paper 25 with connection sheet fixed connection place, as shown in Figure 5；
The serondary lithium battery is by 3 four independent boss chambers of Insulating frame, respectively by two groups of poles and lug, fluid injection
Hole 111 and Explosion-proof valve 14 separate, and so that it is in relatively independent insulating space, improve security performance.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (7)
1. serondary lithium battery, including cap assembly (1), battery core (2) and Insulating frame (3), the cap assembly (1) includes opening up
Coping plate (11), the first pole (12), the second pole (13) and the Explosion-proof valve (14) of liquid injection hole (111), it is characterised in that：Institute
Battery core (2) is stated to include the first lug (21) connecting with the first pole (12) and the second lug (22), with the second pole (13) connect
The third lug (23) and the 4th lug (24) connect；The Insulating frame (3) is set between cap assembly (1) and battery core (2),
Insulating frame (3) towards battery core (2) direction tool there are four independent insulation boss chamber, the outer rim of first boss chamber (31)
It surrounds the first lug (21), the second lug (22) and the first pole (12) to form independent chamber along short transverse, second is convex
Third lug (23), the 4th lug (24) are surrounded with the second pole (13) along short transverse and to be formed solely by the outer rim of platform chamber (32)
The outer rim of vertical chamber, third boss chamber (33) separates liquid injection hole (111), and the outer rim of the 4th boss chamber (34) will be explosion-proof
Valve (14) separates.
2. serondary lithium battery according to claim 1, it is characterised in that：The sub-body of the battery core (2) and top pole
It is separated using retainer (4) between ear.
3. serondary lithium battery according to claim 1, it is characterised in that：It is adopted between the outer rim and shell of the battery core (2)
It is separated with insulating film (5).
4. serondary lithium battery according to claim 1, it is characterised in that：First lug (21) and the second lug (22)
It is contacted by the bottom of the first connection sheet (15) and the first pole (12), the third lug (23) and the 4th lug (24) pass through
Second connection sheet (16) and the bottom of the second pole (13) are contacted.
5. serondary lithium battery according to claim 4, it is characterised in that：There is first connecting portion on first pole, be located at
First connection sheet is along the upside of short transverse, and first connecting portion is fixedly connected with the first connection sheet, i.e., metal alloying connects；The
A connecting piece is fixedly connected with the first lug, the second lug；First lug, the second lug make bending processing；Lug and connection sheet
Paste insulation gummed paper (25) in fixed connection place.
6. a kind of serondary lithium battery according to claim 4, it is characterised in that：First connection sheet (15) and the first pole
It is laser welding structure, second connection sheet (16) and third lug (23), quadrupole between ear (21), the second lug (22)
It is laser welding structure between ear (24).
7. a kind of serondary lithium battery according to claim 4, it is characterised in that：First connection sheet (15) and the first pole
It is ultrasonic welding structure, second connection sheet (16) and third lug (23), the 4th between ear (21), the second lug (22)
It is ultrasonic welding structure between lug (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730406.9U CN208078036U (en) | 2018-05-11 | 2018-05-11 | Serondary lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730406.9U CN208078036U (en) | 2018-05-11 | 2018-05-11 | Serondary lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078036U true CN208078036U (en) | 2018-11-09 |
Family
ID=64045976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730406.9U Active CN208078036U (en) | 2018-05-11 | 2018-05-11 | Serondary lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078036U (en) |
-
2018
- 2018-05-11 CN CN201820730406.9U patent/CN208078036U/en active Active
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