CN207731993U - Unidirectional lug high power capacity cylindrical lithium ion power battery - Google Patents
Unidirectional lug high power capacity cylindrical lithium ion power battery Download PDFInfo
- Publication number
- CN207731993U CN207731993U CN201820154249.1U CN201820154249U CN207731993U CN 207731993 U CN207731993 U CN 207731993U CN 201820154249 U CN201820154249 U CN 201820154249U CN 207731993 U CN207731993 U CN 207731993U
- Authority
- CN
- China
- Prior art keywords
- battery
- lug
- positive
- roll core
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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 unidirectional lug high power capacity cylindrical lithium ion power battery, including positive plate, negative plate, anode ear, negative electrode lug and isolation film, isolation film is clamped between positive plate and negative plate, winding initiating terminal, the winding initiating terminal of isolation film and the winding initiating terminal of negative plate of positive plate are aligned and wind to form battery roll core, anode ear is drawn from the winding clearing end of positive plate, negative electrode lug is drawn from the winding clearing end of negative plate, anode ear is identical as the lead direction of negative electrode lug, and the two is not in contact.The unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model can effectively reduce the area of sky foil, to promote the capacity of battery, also improve the utilization rate of structure by drawing anode ear and negative electrode lug from same direction.It during subsequently encapsulate, is conveniently operated, simplifies battery structure.
Description
Technical field
The utility model is related to the technical field of power battery more particularly to a kind of unidirectional lug high power capacity cylindrical lithium ions
Power battery.
Background technology
Usual lithium ion battery is by battery case, battery pack, rebound, protection board, and charge and discharge combination of outlets forms.Lithium from
Sub- battery be made generally in it is cylindrical and rectangular, by positive/negative plate, diaphragm, electrolyte, the compositions such as shell, the active object of pole piece
The compositions such as matter, conductive agent, additive and collector, collector are generally dimensional metal mesh or two-dimensional metallic net, punch metal band,
Positive/negative plate by with lug spot welding be connected to shell it is positive and negative it is extreme on.Common anode ear is to distinguish never with negative electrode lug
It is drawn with end, the energy density of battery can be influenced by lug exit sky foil in this way after coiling and molding, so as to cause
Energy density is not high.
Utility model content
Shortcoming present in view of the above technology, the utility model provide a kind of list simple in structure, easy to operate
To lug high power capacity cylindrical lithium ion power battery.
In order to achieve the above object, a kind of unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model, including
Positive plate, negative plate, anode ear, negative electrode lug and isolation film, the isolation film is clamped between positive plate and negative plate, described
Winding initiating terminal, the winding initiating terminal of isolation film and the winding initiating terminal of negative plate of positive plate are aligned and wind to form battery
Core, the anode ear are drawn from the winding clearing end of positive plate, and the negative electrode lug is drawn from the winding clearing end of negative plate, institute
It is identical as the lead direction of negative electrode lug to state anode ear, and the two is not in contact.
Wherein, the anode ear includes positive folding part and positive elongated portion, and described anode folding part one end is from anode
Piece is drawn, and the other end of positive folding part stretches along the rounded bottom surface of battery roll core and is parallel to the circular base of battery roll core
The one end in face, the anode elongated portion is docked with positive folding part, and the other end of positive elongated portion is stretched to outside battery roll core
And perpendicular to the rounded bottom surface of battery roll core.
Wherein, the negative electrode lug includes cathode folding part and cathode elongated portion, and cathode folding part one end is from cathode
Piece is drawn, and the other end of cathode folding part stretches along the rounded bottom surface of battery roll core and is parallel to the circular base of battery roll core
The one end in face, the cathode elongated portion is docked with cathode folding part, and the other end of cathode elongated portion is stretched to outside battery roll core
And perpendicular to the rounded bottom surface of battery roll core.
Wherein, the positive elongated portion is in same plane with cathode elongated portion, and the plane is perpendicular to battery roll core
Rounded bottom surface, and the central shaft of battery roll core passes through the plane.
Wherein, which further includes positive pole ear glue and negative lug glue, and the positive pole ear glue laminating is in positive plate
The position being in contact with anode ear, the negative lug glue laminating is in the position that negative plate is in contact with negative electrode lug.
The utility model has the beneficial effects that：
Compared with prior art, the unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model, by will just
Lug is drawn with negative electrode lug from same direction, can be effectively reduced the area of sky foil, to promote the capacity of battery, also be improved
The utilization rate of structure.It during subsequently encapsulate, is conveniently operated, simplifies battery structure.
Description of the drawings
Fig. 1 is the broken section structure chart of the unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model；
Fig. 2 is the front view of the unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model；
Fig. 3 is the vertical view of the unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model.
Main element symbol description is as follows：
1, anode ear 2, negative electrode lug
11, positive folding part 12, positive elongated portion
21, cathode folding part 22, cathode elongated portion.
Specific implementation mode
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Refering to fig. 1-3, a kind of unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model, including positive plate
（It is not shown）, negative plate（It is not shown）, anode ear 1, negative electrode lug 2 and isolation film（It is not shown）, isolation film is clamped in positive plate
Between negative plate, the winding initiating terminal alignment of the winding initiating terminal of positive plate, the winding initiating terminal of isolation film and negative plate
And wind and form battery roll core, anode ear 1 is drawn from the winding clearing end of positive plate, and negative electrode lug 2 is terminated from the winding of negative plate
End is drawn, and anode ear 1 is identical as the lead direction of negative electrode lug 2, and the two is not in contact.
Compared to the prior art, the unidirectional lug high power capacity cylindrical lithium ion power battery of the utility model, by will just
Lug 1 is drawn with negative electrode lug 2 from same direction, can be effectively reduced the area of sky foil, to promote the capacity of battery, also be promoted
The utilization rate of structure.It during subsequently encapsulate, is conveniently operated, simplifies battery structure.
In the present embodiment, anode ear 1 includes positive folding part 11 and positive elongated portion 12,11 one end of positive folding part
It is drawn from positive plate, and the other end of positive folding part 11 stretches along the rounded bottom surface of battery roll core and is parallel to battery roll core
Rounded bottom surface, one end of positive elongated portion 12 docks with positive folding part 11, and the other end of anode elongated portion 12 is to battery winding
It is stretched outside core and perpendicular to the rounded bottom surface of battery roll core.
In the present embodiment, negative electrode lug 2 includes cathode folding part 21 and cathode elongated portion 22,21 one end of cathode folding part
It is drawn from negative plate, and the other end of cathode folding part 21 stretches along the rounded bottom surface of battery roll core and is parallel to battery roll core
One end of rounded bottom surface, cathode elongated portion 22 is docked with cathode folding part 21, and the other end of cathode elongated portion 22 is to battery winding
It is stretched outside core and perpendicular to the rounded bottom surface of battery roll core.
Positive folding part 11 is not in contact with cathode folding part 21 with the core of battery, so being not in electric leakage or short
The case where road.
In the present embodiment, positive elongated portion 12 is in same plane with cathode elongated portion 22, and plane is perpendicular to battery winding
The rounded bottom surface of core, and the central shaft of battery roll core passes through plane.Positive elongated portion 12 is with cathode elongated portion 22 in same plane
On do not intersect and do not contact, be also convenient for subsequent packaging operation.
In the present embodiment, which further includes positive pole ear glue and negative lug glue, and positive pole ear glue laminating is just
The position that pole piece is in contact with anode ear 1, negative lug glue laminating is in the position that negative plate is in contact with negative electrode lug 2.
Disclosed above is only several specific embodiments of the utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of unidirectional lug high power capacity cylindrical lithium ion power battery, which is characterized in that including positive plate, negative plate, anode
Ear, negative electrode lug and isolation film, the isolation film are clamped between positive plate and negative plate, the winding starting of the positive plate
The winding initiating terminal at end, the winding initiating terminal of isolation film and negative plate is aligned and winds to form battery roll core, the anode ear
It is drawn from the winding clearing end of positive plate, the negative electrode lug is drawn from the winding clearing end of negative plate, the anode ear and cathode
The lead direction of ear is identical, and the two is not in contact.
2. unidirectional lug high power capacity cylindrical lithium ion power battery according to claim 1, which is characterized in that the anode
Ear includes positive folding part and positive elongated portion, and described anode folding part one end is drawn from positive plate, and positive folding part
The other end stretches along the rounded bottom surface of battery roll core and is parallel to the rounded bottom surface of battery roll core, one end of the anode elongated portion
It is docked with positive folding part, and the other end of positive elongated portion is stretched to outside battery roll core and perpendicular to the circular base of battery roll core
Face.
3. unidirectional lug high power capacity cylindrical lithium ion power battery according to claim 2, which is characterized in that the cathode
Ear includes cathode folding part and cathode elongated portion, and cathode folding part one end is drawn from negative plate, and cathode folding part
The other end stretches along the rounded bottom surface of battery roll core and is parallel to the rounded bottom surface of battery roll core, one end of the cathode elongated portion
It is docked with cathode folding part, and the other end of cathode elongated portion is stretched to outside battery roll core and perpendicular to the circular base of battery roll core
Face.
4. unidirectional lug high power capacity cylindrical lithium ion power battery according to claim 3, which is characterized in that the anode
Elongated portion and cathode elongated portion be in same plane, and the plane is perpendicular to the rounded bottom surface of battery roll core, and battery roll core
Central shaft passes through the plane.
5. unidirectional lug high power capacity cylindrical lithium ion power battery according to claim 1, which is characterized in that the battery is also
Including positive pole ear glue and negative lug glue, the positive pole ear glue laminating in the position that positive plate is in contact with anode ear,
The negative lug glue laminating is in the position that negative plate is in contact with negative electrode lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154249.1U CN207731993U (en) | 2018-01-30 | 2018-01-30 | Unidirectional lug high power capacity cylindrical lithium ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154249.1U CN207731993U (en) | 2018-01-30 | 2018-01-30 | Unidirectional lug high power capacity cylindrical lithium ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731993U true CN207731993U (en) | 2018-08-14 |
Family
ID=63080965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820154249.1U Expired - Fee Related CN207731993U (en) | 2018-01-30 | 2018-01-30 | Unidirectional lug high power capacity cylindrical lithium ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614147A (en) * | 2022-03-16 | 2022-06-10 | 三一技术装备有限公司 | Cylindrical battery and new energy vehicle |
| WO2023133785A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery, and method and device for manufacturing electrode assembly |
-
2018
- 2018-01-30 CN CN201820154249.1U patent/CN207731993U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023133785A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery, and method and device for manufacturing electrode assembly |
| CN114614147A (en) * | 2022-03-16 | 2022-06-10 | 三一技术装备有限公司 | Cylindrical battery and new energy vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN SUNHE ENERGY Co.,Ltd. Address before: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SANHE CHAOYANG TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20220130 |