CN206961931U - A kind of cylindrical batteries - Google Patents
A kind of cylindrical batteries Download PDFInfo
- Publication number
- CN206961931U CN206961931U CN201720927753.6U CN201720927753U CN206961931U CN 206961931 U CN206961931 U CN 206961931U CN 201720927753 U CN201720927753 U CN 201720927753U CN 206961931 U CN206961931 U CN 206961931U
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- CN
- China
- Prior art keywords
- battery core
- negative electrode
- positive pole
- pair
- cover cap
- Prior art date
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- 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 cylindrical batteries, including the housing of hollow cylindrical, the battery core that is contained in housing and the block at closing housing both ends；The both ends of battery core are respectively equipped with some anode ears and some negative electrode lugs, block includes and positive pole block, cathode cover cap and a pair of insulating trips, through hole is offered on each insulating trip, some anode ears and some negative electrode lugs are each passed through corresponding through hole and electrically connected after being attached at the corresponding insulating trip side opposite with battery core with positive pole block and cathode cover cap；Positive pole block and cathode cover cap include cover plate, conflux piece and a pair of the poles electrically connected with the corresponding piece that confluxes that are electrically connected with anode ear or negative electrode lug；Piece conflux in the form of sheets and conflux portion, conductive part and bending part are formed by bending, and conflux portion and the spaced and parallel setting of conductive part, compared with prior art, the beneficial effects of the utility model are：Insulating trip conveniently welds anode ear and negative electrode lug, and battery core can be carried out effectively to be dielectrically separated from protection.
Description
【Technical field】
Cell manufacturing techniques field is the utility model is related to, is specifically related to a kind of cylindrical batteries.
【Background technology】
With the continuous consumption of non-renewable resources and increasingly highlighting for environmental problem, lithium ion battery is big by country
Power is helped and obtains development at full speed.However, with the development of new-energy automobile and the demand of user, it is close to the energy of battery
The requirement more and more higher of degree, high rate capability and rapid charging performance.Current lithium ion battery is by housing, battery core and block group
Into, battery core is made up of positive plate, negative plate and membrane winding, and positive plate is provided with anode ear, and negative plate is provided with negative electrode lug,
And anode ear and negative electrode lug, by rubbing flat rear laser welding in both positive and negative polarity block, both positive and negative polarity block is again through laser seal and housing
Sealing.This technique easily causes battery core and punched and short-circuit by laser.
In consideration of it, real be necessary to provide a kind of new cylindrical batteries with overcome the deficiencies in the prior art.
【Utility model content】
The purpose of this utility model is to provide a kind of cylindrical batteries, facilitates the lug of welding electric core.
To achieve these goals, the utility model provides a kind of cylindrical batteries, includes the shell of hollow cylindrical
The block of body, the battery core being contained in housing and a pair of closing housing both ends；The both ends of the battery core are respectively equipped with some positive poles
Ear and some negative electrode lugs；Positive pole block that the block includes electrically connecting with some anode ears, it is electrically connected with some negative electrode lugs
The cathode cover cap and a pair of insulating trips connect, the pair of insulating trip be respectively arranged between the battery core and positive pole block and battery core with
Between cathode cover cap, and a through hole is offered on each insulating trip；Some anode ears and some negative electrode lugs are each passed through
Through hole on corresponding insulating trip is simultaneously attached at behind the corresponding insulating trip side opposite with battery core and the positive pole block and negative cover
Cap electrically connects；The positive pole block and cathode cover cap include the cover plate of closing shell one end, are electrically connected with anode ear or negative electrode lug
Conflux piece and a pair of the poles electrically connected through corresponding cover plate and with the corresponding piece that confluxes connect；It is described to conflux piece in the form of sheets and pass through
Portion of confluxing that bending formation and anode ear or negative electrode lug electrically connect, the conductive part electrically connected with corresponding a pair of poles and it is connected to institute
The bending part between the portion of confluxing and the conductive part is stated, and conflux portion and the spaced and parallel setting of the conductive part.
As the utility model cylindrical batteries one kind improve, the housing using aluminum material by one into
Type manufactures, and the internal diameter of the housing is consistent with the external diameter of battery core.
As the utility model cylindrical batteries one kind improve, every a pair of poles by way of riveting with it is corresponding
Piece electrical connection of confluxing, the both sides of each cover plate are respectively equipped with an insulation board by cover plate and the insulation of corresponding pole and the piece that confluxes
Isolation.
One kind as the utility model cylindrical batteries is improved, and one is offered on the cover plate of the positive pole block
Liquid injection hole, and first through hole corresponding with liquid injection hole is offered on the insulation board of the positive pole block.
One kind as the utility model cylindrical batteries is improved, and the cover plate of the cathode cover cap unloads provided with one
Pressure hole and an explosion-proof valve, the explosion-proof valve are covered on pressure relief vent and including burst disks and between burst disk and relief hole
Baffle plate；The insulation board of the cathode cover cap is provided with the second through hole corresponding with pressure relief vent.
Compared with prior art, the beneficial effect of cylindrical batteries provided by the utility model is：Insulating trip side
Just anode ear and negative electrode lug are welded, and battery core can be carried out effectively to be dielectrically separated from protection.
【Brief description of the drawings】
Fig. 1 is the stereogram of the utility model cylindrical batteries；
Fig. 2 is the sectional view of the positive pole block shown in Fig. 1；
Fig. 3 is the sectional view of the cathode cover cap shown in Fig. 1.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached
Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
It refer to Fig. 1 to Fig. 3, a kind of cylindrical batteries 100 provided by the utility model, including hollow cylindrical
The block 30 of housing 10, the battery core 20 being contained in housing 10 and closing housing 10 both ends.
Specifically, the housing 10 is manufactured using aluminum material by being integrally formed, and the internal diameter and circle of the housing 10
The external diameter of cylindricality battery core 20 is consistent.The heat conductivility of one side aluminum material can well improve the heat dispersion of battery, the opposing party
Face aluminum material light weight and air-tightness can improve well the energy density ratio of battery.The both ends of the battery core 20 are respectively equipped with some
Anode ear 201 and some negative electrode lugs 202.The block 30 include electrically connected with some anode ears 201 positive pole block 31,
The cathode cover cap 32 and a pair of insulating trips 33 electrically connected with some negative electrode lugs 32, the pair of insulating trip 33 are respectively arranged on the electricity
Between core 20 and positive pole block 31 and between battery core 20 and cathode cover cap 32, and a through hole is offered on each insulating trip 33
331.Through hole 331 that some anode ears 201 and some negative electrode lugs 202 are each passed through on corresponding insulating trip 33 is simultaneously attached at pair
Electrically connected after answering the side opposite with battery core 20 of insulating trip 33 with the positive pole block 31 and cathode cover cap 32.In this embodiment party
In formula, some anode ears 201 and some negative electrode lugs 202 are attached at the side being beneficial on corresponding insulating trip 33 by laser welding
Formula electrically connects with the corresponding positive pole block 31 and cathode cover cap 32, and the insulating trip 33 use ceramic material to be made with
Prevent laser from punching battery core 20 and causing short circuit.The positive pole block 31 and cathode cover cap 32 include the cover plate of closing shell one end
301st, conflux piece 302 and a pair electrically connected with anode ear 201 or negative electrode lug 202 are through corresponding cover plate 301 and with correspondingly confluxing
The pole 303 that piece 302 electrically connects.It is described to conflux piece 302 in the form of sheets and by bending formation and anode ear 201 or negative electrode lug electricity
The portions 3021 of confluxing of 202 connections, the conductive part 3022 electrically connected with corresponding a pair of poles 303 and portion 3021 of confluxing described in being connected to
With the bending part 3023 between the conductive part 3022, and it is described conflux portion 3021 with the conductive part 3022 is spaced and parallel sets
Put.
Further, every a pair of poles 303 are electrically connected by way of riveting with the corresponding piece 302 that confluxes, each cover plate
301 both sides are respectively equipped with an insulation board 304 and are dielectrically separated from cover plate 301 with corresponding pole 303 and the piece 302 that confluxes.Need
Explain, the housing 10 has good electric conductivity because being manufactured using aluminum material, and each cover plate 301 is using gold
Category material is made and connected by way of welding with housing 10, thus each cover plate 301 must with corresponding pole 303 and
The piece 302 that confluxes is dielectrically separated to avoid the both positive and negative polarity of battery short-circuit.In other embodiments, can be at the middle part of cover plate 301
Cover plate 301 is dielectrically separated from corresponding pole 303 and the piece 302 that confluxes provided with megohmite insulant.
Further, a liquid injection hole 3011, and the positive pole block are offered on the cover plate 301 of the positive pole block 31
First through hole 3041 corresponding with liquid injection hole 3011 is offered on 31 insulation board 304.In the present embodiment, the note is passed through
Fluid apertures 3011 injects electrolyte with first through hole 3041 to battery, and need to explain, and the liquid injection hole 3011 is complete in fluid injection
Cheng Houhui is sealed using steel ball, to avoid causing triggering the potential safety hazard of battery short circuit because of leakage.
Further, the cover plate 301 of the cathode cover cap 32 is provided with a pressure relief vent 3012 and an explosion-proof valve 3013,
The explosion-proof valve 3013 is covered on pressure relief vent 3012 and including burst disk 3014 and located at burst disk 3014 and relief hole 3012
Between baffle plate 3015.The insulation board 304 of the cathode cover cap 32 is provided with second through hole 3042 corresponding with pressure relief vent 3012.
In the present embodiment, the maximum pressure secure threshold that the explosion-proof valve 3013 can be taken is pressed according to the inside of battery normal use
The power upper limit is set, and when the abnormality of the battery occurs, the pressure of abnormal inside battery is by increasing severely so as to having exceeded the explosion-proof valve 3013
Secure threshold, the baffle plate 3015 and burst disk 3014 of the explosion-proof valve 3013 will be broken so that the pressure energy of abnormal battery from
Lead off out and be unlikely to the security incident exploded occur in the through hole 3042 of pressure relief vent 3012 and second.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching
The examples shown stated.
Claims (5)
1. a kind of cylindrical batteries, including the housing of hollow cylindrical, the battery core that is contained in housing and closing housing two
The block at end；It is characterized in that：The both ends of the battery core are respectively equipped with some anode ears and some negative electrode lugs；The block includes
The positive pole block electrically connected with some anode ears, the cathode cover cap and a pair of insulating trips that are electrically connected with some negative electrode lugs, institute
A pair of insulating trips are stated to be respectively arranged between the battery core and positive pole block and between battery core and cathode cover cap, and on each insulating trip
Offer a through hole；Through hole that some anode ears and some negative electrode lugs are each passed through on corresponding insulating trip is simultaneously attached at pair
Electrically connected after answering the insulating trip side opposite with battery core with the positive pole block and cathode cover cap；The positive pole block and negative cover
Cap includes the cover plate of closing shell one end, piece and runs through corresponding cover plate simultaneously a pair with confluxing of electrically connecting of anode ear or negative electrode lug
With the pole of corresponding piece electrical connection of confluxing；It is described to conflux piece in the form of sheets and electrically connected by bending formation with anode ear or negative electrode lug
Portion of confluxing, with the conductive part of corresponding a pair of poles electrical connection and being connected to the bending confluxed between portion and the conductive part
Portion, and conflux portion and the spaced and parallel setting of the conductive part.
2. cylindrical batteries according to claim 1, it is characterised in that：The housing passes through one using aluminum material
Body formed manufacture, and the internal diameter of the housing is consistent with the external diameter of battery core.
3. cylindrical batteries according to claim 1, it is characterised in that：Every a pair of poles by way of riveting with
Corresponding piece electrical connection of confluxing, the both sides of each cover plate are respectively equipped with an insulation board by cover plate and corresponding pole and the piece that confluxes
It is dielectrically separated from.
4. cylindrical batteries according to claim 3, it is characterised in that：Offered on the cover plate of the positive pole block
One liquid injection hole, and first through hole corresponding with liquid injection hole is offered on the insulation board of the positive pole block.
5. cylindrical batteries according to claim 3, it is characterised in that：The cover plate of the cathode cover cap is provided with one
Individual pressure relief vent and an explosion-proof valve, the explosion-proof valve are covered on pressure relief vent and including burst disks and located at burst disk and relief hole
Between baffle plate；The insulation board of the cathode cover cap is provided with the second through hole corresponding with pressure relief vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927753.6U CN206961931U (en) | 2017-07-27 | 2017-07-27 | A kind of cylindrical batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927753.6U CN206961931U (en) | 2017-07-27 | 2017-07-27 | A kind of cylindrical batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961931U true CN206961931U (en) | 2018-02-02 |
Family
ID=61381632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720927753.6U Active CN206961931U (en) | 2017-07-27 | 2017-07-27 | A kind of cylindrical batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961931U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097607A (en) * | 2021-03-31 | 2021-07-09 | 蜂巢能源科技(无锡)有限公司 | Lithium battery core, preparation method thereof and battery pack |
| CN113270669A (en) * | 2021-06-17 | 2021-08-17 | 湖北亿纬动力有限公司 | Electrode cover plate and battery |
| CN113871763A (en) * | 2021-09-27 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and cylindrical battery mounting method |
| CN115275455A (en) * | 2022-08-12 | 2022-11-01 | 广州小鹏汽车科技有限公司 | Battery cell structure, manufacturing method of battery cell structure, battery and vehicle |
| WO2023236219A1 (en) * | 2022-06-10 | 2023-12-14 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
-
2017
- 2017-07-27 CN CN201720927753.6U patent/CN206961931U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097607A (en) * | 2021-03-31 | 2021-07-09 | 蜂巢能源科技(无锡)有限公司 | Lithium battery core, preparation method thereof and battery pack |
| CN113270669A (en) * | 2021-06-17 | 2021-08-17 | 湖北亿纬动力有限公司 | Electrode cover plate and battery |
| CN113871763A (en) * | 2021-09-27 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and cylindrical battery mounting method |
| CN113871763B (en) * | 2021-09-27 | 2024-03-01 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and method for mounting cylindrical battery |
| WO2023236219A1 (en) * | 2022-06-10 | 2023-12-14 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electric device |
| CN115275455A (en) * | 2022-08-12 | 2022-11-01 | 广州小鹏汽车科技有限公司 | Battery cell structure, manufacturing method of battery cell structure, battery and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Chuanguan Inventor before: Deng Tong Inventor before: Wu Chuanguan |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523651 buildings C and D, No. 18, zhongkeng Road, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Dongguan Langtaitong Technology Co.,Ltd. Address before: 523651 buildings C and D, No. 18, zhongkeng Road, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN WOTAITONG NEW ENERGY Co.,Ltd. |