CN205846092U - A kind of electrokinetic cell of two-way post - Google Patents
A kind of electrokinetic cell of two-way post Download PDFInfo
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- CN205846092U CN205846092U CN201620801890.0U CN201620801890U CN205846092U CN 205846092 U CN205846092 U CN 205846092U CN 201620801890 U CN201620801890 U CN 201620801890U CN 205846092 U CN205846092 U CN 205846092U
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- pole
- top cover
- electrokinetic cell
- post
- battery
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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
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Abstract
This utility model belongs to power battery technology field, particularly relates to the electrokinetic cell of a kind of two-way post, is respectively arranged at the two ends of battery container including battery container, battery core, the first top cover and the second top cover, the first top cover and the second top cover；First top cover is provided with the first pole, and the second top cover is provided with the second pole；First pole is electrically connected with the first lug of battery core by the first connector, and the second pole is electrically connected with the second lug of battery core by the second connector.This utility model is by arranging two-way top cover, two-way post and two-way extraction lug, on the one hand, eliminates the shape by die-cutting operation of traditional unidirectional Double-pole lug, not only saves man-hour, improves production efficiency, and reduce production cost；On the other hand, make battery by arranging two-way post the operating path of lithium ion is through whole pole piece in charge and discharge process, so that each several part of pole piece is fully used, extends the service life of pole piece, and strengthen the discharge and recharge effect of battery.
Description
Technical field
This utility model belongs to power battery technology field, particularly relates to the electrokinetic cell of a kind of two-way post.
Background technology
Along with development and the enhancing of people's environmental consciousness of modern society, increasing equipment choice using lithium battery as
Power supply, such as mobile phone, notebook computer, electric tool and electric automobile etc., this is that the application of lithium battery provides extensively with development
Wealthy space.Wherein, the lithium battery that electric tool and electric automobile etc. are used is commonly referred to as electrokinetic cell.
Existing electrokinetic cell generally comprises naked battery core, the battery case encapsulating naked battery core and is sealingly mounted at battery case
On top cover, top cover is provided with Positive Poles and negative pole pole, and both positive and negative polarity pole is respectively by being flexible coupling and naked battery core
Both positive and negative polarity lug connects.But there is following defect in existing power battery structure: 1) two pole leading-out ends are in same direction,
And in battery charge and discharge process, the lithium ion of positive pole is only by near that a part of pole piece of pole, because as ion or electronics
Motion be typically with shortest path as route.Therefore, when two poles are in same direction, the path that ion runs is usual
It is the upper part at pole piece, and seldom enters the lower part of pole piece.The result so caused is, only some is in work shape
The pole piece of state is the most aging, reduces service life, and affects the discharge and recharge effect of battery.2) battery core production technology efficiency
Low, risk is big, and particularly in the shape by die-cutting operation of battery core Double-pole lug, due to mechanical precision, to arrange height, speed slow, significantly drops
Low production efficiency, and sheet metal edge easily produces burr or metal fillings, needs to regularly replace die-cutting rule to reduce metal
Sheet edge is easily generated the probability of burr or metal fillings；Otherwise burr or the metal fillings of sheet metal edge can directly puncture on pole piece
Insulating cement, cause battery core short circuit or scrap, make production cost increase.
In view of this, necessary existing power battery structure is improved further, uses the longevity improving battery
Save the shape by die-cutting operation of lug while life, thus effectively reduce the production cost of battery, improve the production efficiency of battery,
And ensure safety and the concordance of battery production.
Utility model content
In view of defect present in background technology, the purpose of this utility model is: provide the power of a kind of two-way post
Battery, this electrokinetic cell can improve battery, eliminates the shape by die-cutting operation of lug simultaneously, thus effectively reduces
The production cost of battery, improves the production efficiency of battery, and ensures safety and the concordance of battery production.
For achieving the above object, this utility model adopts the following technical scheme that
The electrokinetic cell of a kind of two-way post, including battery container and battery core, also includes the first top cover and the second top cover, institute
State the first top cover and described second top cover is respectively arranged at the two ends of described battery container；Described first top cover is provided with the first pole
Post, described second top cover is provided with the second pole；Described first pole is by the first lug of the first connector with described battery core
Electrical connection, described second pole is electrically connected with the second lug of described battery core by the second connector.
Wherein, the first top cover and the second top cover can be arranged on the two ends up and down of battery container, it is also possible to be arranged on battery
The two ends, left and right of housing, even can also be arranged on two ends before and after battery container, be not especially limited here；And the first pole
It can be symmetrical that post pushes up covering position in the first top covering position and the second pole second, it is also possible to be asymmetric
's；But technique makes and considers the reliability of battery for convenience, typically the first pole and the second pole is symmetrical arranged.
As the further improvement of the electrokinetic cell of this utility model two-way post, described first connector is that aluminum is flexible coupling
Sheet, described second connector is that copper is flexible coupling sheet.
As the further improvement of the electrokinetic cell of this utility model two-way post, described first pole is aluminum pole, institute
The central authorities stating aluminum pole are provided with thread groove, and described thread groove is provided with screw thread facing.Owing to aluminium material is soft, so being threaded
Facing can effectively prevent the sliding tooth of aluminum screwed hole to lose efficacy, and strengthens the reliability of aluminum pole.
As the further improvement of the electrokinetic cell of this utility model two-way post, described second pole is copper-base post and aluminum
The compound pole of pole, described copper-base post and described aluminum pole compact siro spinning technology.Wherein, general due to the second lug of internal battery core
For copper sheet, it requires the serviceability being connected guarantee battery with copper-base post；And use aluminum can reduce cost and
Weight, so external circuit generally uses aluminum pole.Therefore, the second pole uses compound pole can meet battery performance requirements,
Production cost can be reduced again.
As the further improvement of the electrokinetic cell of this utility model two-way post, described close-connected mode is weldering
At least one in connecing, rivet and being spirally connected.Wherein, use multiple connected mode, it is possible to effectively prevent compound pole from weldering simultaneously
Wiring is ruptured.
As the further improvement of the electrokinetic cell of this utility model two-way post, described first top cover is additionally provided with fluid injection
Hole and explosion-proof valve, described explosion-proof valve is coated with protecting film.Wherein, protecting film is prevented from foreign body or dust etc. and falls into explosion-proof
Puncture in valve or damage explosion-proof valve.It should be noted that the second top cover equally arranges liquid injection hole and explosion-proof valve, two-way top
Lid is respectively provided with liquid injection hole can improve fluid injection efficiency, can also improve the electrolyte effect of impregnation to pole piece simultaneously；And arrange double
Explosion-proof valve then can improve battery security performance under abuse.
As the further improvement of the electrokinetic cell of this utility model two-way post, described protecting film is provided with through hole.If
Put through hole for the air between release guard film, explosion-proof valve and coping plate；When battery carries out vacuum bakeout test, due to interior
Air pressure is consistent with outer air pressure, thus ensures that protecting film does not haves wrinkling deformation in testing, even lost efficacy.
As the further improvement of the electrokinetic cell of this utility model two-way post, described first pole passes through resistor assembly
Electrically connecting with described first top cover, described second pole is connected with described second coping plate insulation by insulation assembly.
As the further improvement of the electrokinetic cell of this utility model two-way post, described resistor assembly includes the first insulation
Post, the first sealing ring, resistance bolck and the first jump ring, described first insulated column is installed on the base portion of described first pole and is connected in
Described first top cover, described first sealing ring and described resistance bolck be sheathed on the bottom of described first pole successively, and described first
The top of pole is provided with first annular groove, and described first jump ring is arranged in described first annular groove and is connected to described resistance
Block.
As the further improvement of the electrokinetic cell of this utility model two-way post, described insulation assembly includes the second insulation
Post, the second sealing ring, collets and the second jump ring, described second insulated column is installed on the base portion of described second pole and is connected in
Described second top cover, described second sealing ring and described collets are sheathed on the bottom of described second pole successively, and described second
The top of pole is provided with the second cannelure, and described second jump ring is arranged in described second cannelure and is connected to described insulation
Block.
The beneficial effects of the utility model are: the electrokinetic cell of a kind of two-way post, including battery container, battery core,
One top cover and the second top cover, described first top cover and described second top cover are respectively arranged at the two ends of described battery container；Described
First top cover is provided with the first pole, and described second top cover is provided with the second pole；Described first pole passes through the first connector
Electrically connecting with the first lug of described battery core, described second pole is electrically connected by the second lug of the second connector with described battery core
Connect.This utility model is by arranging two-way top cover, two-way post and two-way extraction lug, on the one hand, overcome tradition unidirectional
The process risk that top cover and unidirectional pole battery exist when Double-pole lug shape by die-cutting, owing to the first lug can be with the first connector
Being directly connected to, the second lug can be directly connected to the second connector, so eliminating the shape by die-cutting work of traditional unidirectional Double-pole lug
Sequence, not only saves man-hour, improves production efficiency, and reduce production cost；On the other hand, make by arranging two-way post
In charge and discharge process, the operating path of lithium ion is through whole pole piece, so that each several part of pole piece obtains fully to obtain battery
Utilize, extend the service life of pole piece, and strengthen the discharge and recharge effect of battery.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is the two of structural representation of the present utility model.
Fig. 3 is the partial enlarged drawing of A in Fig. 2.
Fig. 4 is the partial enlarged drawing of B in Fig. 2.
In figure: 1-battery container；2-battery core；3-the first top cover；31-the first insulated column；32-the first sealing ring；33-resistance
Block；34-the first jump ring；35-liquid injection hole；36-explosion-proof valve；37-protecting film；4-the first pole；41-thread groove；42-ridge
Set；5-the second top cover；51-the second insulated column；52-the second sealing ring；53-collets；54-the second jump ring；6-the second pole；
61-copper-base post；62-aluminum pole；7-the first connector；8-the first lug；9-the second connector；10-the second lug.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, this utility model is described in further detail, but this
The embodiment of utility model is not limited to this.
As shown in Fig. 1 ~ 4, the electrokinetic cell of a kind of two-way post, including battery container 1, battery core the 2, first top cover 3 and
Two top covers 5, the first top cover 3 and the second top cover 5 are respectively arranged at the two ends of battery container 1；First top cover 3 is provided with the first pole
4, the second top cover 5 is provided with the second pole 6；First pole 4 is electrically connected with the first lug 8 of battery core 2 by the first connector 7,
Second pole 6 is electrically connected with the second lug 10 of battery core 2 by the second connector 9.
Wherein, the first pole 4 is electrically connected by resistor assembly and the first top cover 3, and the second pole 6 passes through insulation assembly and the
Two top cover 5 insulation connect.Resistor assembly includes first insulated column the 31, first sealing ring 32, resistance bolck 33 and the first jump ring 34,
First insulated column 31 is installed on the base portion of the first pole 4 and is connected in the first top cover 3, and the first sealing ring 32 and resistance bolck 33 are successively
Being sheathed on the bottom of the first pole 4, the top of the first pole 4 is provided with first annular groove, and the first jump ring 34 is arranged in the first ring
Shape groove is also connected to resistance bolck 33.Insulation assembly includes second insulated column the 51, second sealing ring 52, collets 53 and the second jump ring
54, the second insulated column 51 is installed on the base portion of the second pole 6 and is connected in the second top cover 5, the second sealing ring 52 and collets 53
Being sheathed on the bottom of the second pole 6 successively, the top of the second pole 6 is provided with the second cannelure, and the second jump ring 54 is arranged in
Second ring groove is also connected to collets 53.
Wherein, the first top cover 3 and the second top cover 5 can be arranged on the two ends up and down of battery container 1, it is also possible to be arranged on electricity
The two ends, left and right of pond housing 1, even can also be arranged on two ends before and after battery container 1, be not especially limited here；And the
One pole 4 position on the first top cover 3 and second pole 6 position on the second top cover 5 can be symmetrical, it is also possible to be
Asymmetric；But technique makes and considers the reliability of battery, typically by the first pole 4 and the second pole 6 for convenience
It is symmetrical arranged.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, the first connector 7 is the soft company of aluminum
Contact pin, the second connector 9 is flexible coupling sheet for copper.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, the first pole 4 is aluminum pole, aluminum
The central authorities of pole are provided with thread groove 41, and thread groove 41 is provided with screw thread facing 42.Owing to aluminium material is soft, so being threaded tooth
Set 42 can effectively prevent the sliding tooth of aluminum screwed hole to lose efficacy, and strengthens the reliability of aluminum pole.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, the second pole 6 is copper-base post 61
With the compound pole of aluminum pole 62, copper-base post 61 and aluminum pole 62 compact siro spinning technology.Wherein, due to the second lug of internal battery core 2
10 are generally copper sheet, it requires the serviceability being connected guarantee battery with copper-base post 61；And use aluminum to drop
Low cost and weight, so external circuit generally uses aluminum pole 62.Therefore, the second pole 6 uses compound pole can meet electricity
Pond performance requirement, can reduce again production cost.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, close-connected mode is weldering
At least one in connecing, rivet and being spirally connected.Wherein, use multiple connected mode, it is possible to effectively prevent compound pole from weldering simultaneously
Wiring is ruptured.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, the first top cover 3 is additionally provided with note
Fluid apertures 35 and explosion-proof valve 36, explosion-proof valve 36 is coated with protecting film 37.Wherein, protecting film 37 is prevented from foreign body or dust etc.
Puncture in falling into explosion-proof valve 36 or damage explosion-proof valve 36.
In an embodiment of the electrokinetic cell according to two-way post of the present utility model, protecting film 37 is provided with through hole.
Through hole is set for release guard film 37, air between explosion-proof valve 36 and coping plate；When battery carries out vacuum bakeout test,
Owing to internal gas pressure is consistent with outer air pressure, thus ensure that protecting film 37 does not haves wrinkling deformation in testing, even lost efficacy.
The announcement of book and teaching according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of executing changes and revises.Therefore, this utility model is not limited to above-mentioned detailed description of the invention, every this area skill
Any conspicuously improved, replacement or modification that art personnel are done on the basis of this utility model belong to this practicality newly
The protection domain of type.Although additionally, employ some specific terms in this specification, but these terms are intended merely to conveniently say
Bright, this utility model is not constituted any restriction.
Claims (10)
1. an electrokinetic cell for two-way post, including battery container and battery core, it is characterised in that: also include the first top cover and
Two top covers, described first top cover and described second top cover are respectively arranged at the two ends of described battery container；Described first top cover sets
Being equipped with the first pole, described second top cover is provided with the second pole；Described first pole is by the first connector and described battery core
The first lug electrical connection, described second pole is electrically connected with the second lug of described battery core by the second connector.
The electrokinetic cell of two-way post the most according to claim 1, it is characterised in that: described first connector is the soft company of aluminum
Contact pin, described second connector is that copper is flexible coupling sheet.
The electrokinetic cell of two-way post the most according to claim 1, it is characterised in that: described first pole is aluminum pole,
The central authorities of described aluminum pole are provided with thread groove, and described thread groove is provided with screw thread facing.
The electrokinetic cell of two-way post the most according to claim 1, it is characterised in that: described second pole be copper-base post and
The compound pole of aluminum pole, described copper-base post and described aluminum pole compact siro spinning technology.
The electrokinetic cell of two-way post the most according to claim 4, it is characterised in that: described close-connected mode is weldering
At least one in connecing, rivet and being spirally connected.
The electrokinetic cell of two-way post the most according to claim 1, it is characterised in that: described first top cover is additionally provided with note
Fluid apertures and explosion-proof valve, described explosion-proof valve is coated with protecting film.
The electrokinetic cell of two-way post the most according to claim 6, it is characterised in that: described protecting film is provided with through hole.
The electrokinetic cell of two-way post the most according to claim 1, it is characterised in that: described first pole passes through resistor group
Part electrically connects with described first top cover, and described second pole is connected with described second coping plate insulation by insulation assembly.
The electrokinetic cell of two-way post the most according to claim 8, it is characterised in that: described resistor assembly includes that first is exhausted
Edge post, the first sealing ring, resistance bolck and the first jump ring, described first insulated column is installed on base portion the clamping of described first pole
In described first top cover, described first sealing ring and described resistance bolck are sheathed on the bottom of described first pole successively, and described
The top of one pole is provided with first annular groove, and described first jump ring is arranged in described first annular groove and is connected to described resistance
Block.
The electrokinetic cell of two-way post the most according to claim 8, it is characterised in that: described insulation assembly includes second
Insulated column, the second sealing ring, collets and the second jump ring, described second insulated column is installed on the base portion of described second pole and blocks
Being connected to described second top cover, described second sealing ring and described collets are sheathed on the bottom of described second pole successively, described
The top of the second pole is provided with the second cannelure, described second jump ring be arranged in described second cannelure and be connected to described absolutely
Edge block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801890.0U CN205846092U (en) | 2016-07-25 | 2016-07-25 | A kind of electrokinetic cell of two-way post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801890.0U CN205846092U (en) | 2016-07-25 | 2016-07-25 | A kind of electrokinetic cell of two-way post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846092U true CN205846092U (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620801890.0U Active CN205846092U (en) | 2016-07-25 | 2016-07-25 | A kind of electrokinetic cell of two-way post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205846092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221451A (en) * | 2017-04-26 | 2017-09-29 | 烯晶碳能电子科技无锡有限公司 | A kind of Large Copacity electrochemical device monomer structure and its assemble method |
| EP3742525A1 (en) | 2019-05-24 | 2020-11-25 | Contemporary Amperex Technology Co., Limited | Battery unit and manufacturing method thereof, and battery module |
-
2016
- 2016-07-25 CN CN201620801890.0U patent/CN205846092U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221451A (en) * | 2017-04-26 | 2017-09-29 | 烯晶碳能电子科技无锡有限公司 | A kind of Large Copacity electrochemical device monomer structure and its assemble method |
| WO2018196220A1 (en) * | 2017-04-26 | 2018-11-01 | 烯晶碳能电子科技无锡有限公司 | High-capacity electrochemical device unit structure and assembly method thereof |
| EP3742525A1 (en) | 2019-05-24 | 2020-11-25 | Contemporary Amperex Technology Co., Limited | Battery unit and manufacturing method thereof, and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 518000 813, floor 8, building 3, block B, Yili building, the junction of Nanshan Avenue and Chuangye Road, Nanshan street, Shenzhen, Guangdong Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |
|
| CP03 | Change of name, title or address |