CN208460815U - A kind of anode structure, battery cover board and battery - Google Patents
A kind of anode structure, battery cover board and battery Download PDFInfo
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- CN208460815U CN208460815U CN201820900256.1U CN201820900256U CN208460815U CN 208460815 U CN208460815 U CN 208460815U CN 201820900256 U CN201820900256 U CN 201820900256U CN 208460815 U CN208460815 U CN 208460815U
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- cover board
- board body
- negative pole
- positive
- anode structure
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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
The utility model relates to battery technology fields, and in particular to a kind of anode structure, battery cover board and battery.Anode structure includes positive interconnecting piece, is integrally formed with the cover board body；Positive terminal is electrically connected with the lateral wall of the positive interconnecting piece, is cathode output end；Positive pole ear, one end are electrically connected with the positive interconnecting piece, and the other end is electrically connected with inner core.The utility model has the advantages that cracking, good airproof performance are less likely to occur for anode structure and cover board body.
Description
Technical field
The utility model relates to battery technology fields, and in particular to a kind of anode structure, battery cover board and battery.
Background technique
With the continuous progress of human society, the continuous improvement of human living standard, the demand to the energy is not yet
It is disconnected to increase, the demand of especially removable portable energy source equipment.Wherein, the battery as removable kinetic energy storing electrical energy has quickly
Development has huge superiority as power relative to traditional combustion engine fuel oil especially by battery applications in field of traffic.
Currently, disclosing a kind of power lithium-ion battery cover board such as Chinese patent literature CN107833989 in the prior art
Positive end plate boss integral structure comprising cover board and draw high boss structure, cover board is welded on battery case, draws high boss knot
Structure is square taper or conical structure, and the upper plane for drawing high boss structure is positive terminal end plate.
The power lithium-ion battery cover board positive end plate boss integral structure of above patent document, with drawing high boss structure
Upper plane as positive terminal end plate, and when loading the connection with battery, the plane at load connection anode end and negative pole end
It is parallel, then requiring the upper plane for drawing high boss structure parallel with the upper surface of cathode, so that drawing high boss structure drawing
What is risen is higher, draw high boss structure will lead to when drawing high draw high boss structure wall thickness it is thinning, and the higher wall thickness drawn high is more
Thin, wall thickness is thin to be easy to occur cracking when in use, and then the phenomenon of leakage occurs, especially when there is abnormal, inside battery when battery
When air pressure is higher than outside batteries air pressure, the thinning boss structure that draws high of wall thickness is more easier that the phenomenon of leakage occurs.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome existing battery to draw high boss structure when in use
Be easy cracking, there is the problem of phenomenon of leakage, and then provide it is a kind of be less likely to occur cracking, good airproof performance anode structure, set
It is equipped with the battery cover board of the anode structure and the battery of the battery cover board is installed.
To solve the above problems, a kind of anode structure of the utility model, the anode structure are set on battery cover board,
The battery cover board includes cover board body, and the anode structure includes positive interconnecting piece, is integrally formed with the cover board body；
Positive terminal is electrically connected with the lateral wall of the positive interconnecting piece, is cathode output end；Positive pole ear, one end and the anode are even
Socket part electrical connection, the other end are electrically connected with inner core.
The anode interconnecting piece is the boss of the outside side stretching of the cover board body, and the positive terminal is remote with the boss
Upper surface from the cover board body is fixedly connected.
It welds the upper surface of the positive terminal and the boss.
The side wall of the positive terminal is concordant with the side wall of the boss to be arranged.
The anode interconnecting piece is the cover board body.
The inner sidewall of the positive pole ear and the positive interconnecting piece welds.
A kind of battery cover board of the utility model, including the anode structure described among the above.
Further include cover board body, felt pad is provided on the inner sidewall of the cover board body, the felt pad extends to institute
State the inner sidewall of positive interconnecting piece.
It further include the negative pole structure with the cover board body insulation set, the upper surface of the negative pole structure and the anode
In the same plane, and the negative pole structure 5 and the anode structure 1 are arranged in 2 position of cover board body for the upper surface at end
Be centrosymmetric setting.
The negative pole structure includes negative pole end, and the outside of the cover board body is arranged in, and is cathode output end；Cathode pressure
Plate, one end are fixedly connected with the cover board body, and the side wall far from the cover board body of the other end and the negative pole end offsets,
For fixing the negative pole end；Negative lug, one end are electrically connected with the negative pole end, and the other end is electrically connected with inner core；Insulating part,
Be arranged between the negative pole end and the cathode pressing plate and the cover board body, by the negative pole end and the cathode pressing plate and
The cover board body insulation；It is set on the outer wall of the negative pole end being connect with the insulating part, and/or the outer wall of the insulating part
The limitation tooth that the negative pole end is rotated around the negative pole end axis can be limited by having.
A kind of battery of the utility model, which is characterized in that including the battery cover board described among the above.
Technical solutions of the utility model have the advantages that
1. the anode structure of the utility model, including, positive interconnecting piece is integrally formed with the cover board body；Positive terminal,
It is electrically connected with the lateral wall of the positive interconnecting piece, is cathode output end；Positive pole ear, one end are electrically connected with the positive interconnecting piece
It connects, the other end is electrically connected with inner core.Positive terminal passes sequentially through positive interconnecting piece, positive pole ear is electrically connected with inner core, supplies for load
Electricity；Positive interconnecting piece is integrally formed with the cover board body, it is possible to reduce the processing to the cover board body was avoided because of the later period
The strength reduction of the positive interconnecting piece and the cover board body caused by processing, so that positive interconnecting piece and the cover board body
It is less likely to occur to crack, even if when battery abnormal, inside battery air pressure occurs higher than outside batteries air pressure, the anode connection
Portion and the battery cover board are also less likely to occur rupture and the phenomenon of leakage occur, the anode structure and are provided with the anode structure
The service life is longer for battery cover board.Meanwhile positive interconnecting piece and the cover board body are integrally formed, so that the anode connection
The better tightness of portion and the cover board body, and reduce the production cost of the increased anode structure because of sealing；This is practical new
The anode structure of type has the advantages that structure is simple, can reduce the volume of anode structure, and then increases and be provided with anode knot
The energy density of the battery of structure, more save the cost.
2. the anode structure of the utility model, the anode interconnecting piece is the boss of the outside side stretching of the cover board body,
The upper surface far from the cover board body of the positive terminal and the boss is fixedly connected, reduce the positive terminal with it is described convex
To the influence of the lateral wall appearance of the battery cover board when upper surface connection of platform.When load and the connection of battery, load connection
Anode end with the plane of negative pole structure be it is parallel, mould group is composed in parallel convenient for battery strings, in the upper surface of the boss
It is fixedly connected with positive terminal, can reduce the height of flange stretch, the boss limitation thinning because of wall thickness caused by stretching, just
Pole structure is not easy the phenomenon that cracking, even leakage occur when in use.
3. the upper surface of the anode structure of the utility model, the positive terminal and the boss is welded, weld so that described
It is firm and easy to operate that positive terminal is connect with the boss；Meanwhile it can be to avoid the beauty for the lateral wall for influencing the battery cover board
It sees.
4. the anode structure of the utility model, the side wall of the positive terminal is concordant with the side wall of the boss to be arranged, so that
The appearance looks elegant of the anode structure.
5. the anode structure of the utility model, the anode interconnecting piece is the cover board body, it is possible to reduce to the lid
The processing of plate ontology, and then the processing cost of anode structure is reduced, so that being provided with the production cost of the battery of the anode structure
It is low；Moreover, the intensity of the anode interconnecting piece is higher, it is not easy to crack.
6. the battery cover board of the utility model, the upper surface of the upper surface of the negative pole structure and the positive terminal is same
In plane, so that the battery cover board is suitable for connecting with most of load.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view illustration of the embodiments of the present invention three；
Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1；
Fig. 3 is the enlarged diagram of part B in Fig. 2；
Fig. 4 is the enlarged diagram of anode structure in another embodiment；
Description of symbols:
1- anode structure；11- anode interconnecting piece；12- positive terminal；13- positive pole ear；14- boss；2- cover board body；3-
Inner core；4- felt pad；5- negative pole structure；51- negative lug；52- negative pole end；53- cathode pressing plate；54- insulating part；6- shell.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment one:
A kind of anode structure 1 of the present embodiment, the anode structure 1 are set on battery cover board, the battery cover board packet
Cover board body 2 is included, as shown in fig.3, the anode structure 1 includes positive interconnecting piece 11, positive terminal 12 and positive pole ear 13.
Positive interconnecting piece 11 is the boss 14 of the outside side stretching of the cover board body 2, boss 14 and the cover board body 2 one
It is body formed.
The positive terminal 12 is cathode output end, and the positive terminal 12 is with the boss 14 far from the cover board body 2
Upper surface electrical connection, in order to guarantee that the positive terminal 12 connects reliably with the upper surface of the boss 14, by the positive terminal
12 and the boss 14 weld；And in order to enable anode structure 1 specious, the side wall of the positive terminal 12 and the boss
14 side wall is concordantly arranged.
13 one end of positive pole ear is electrically connected with the boss 14, and the other end is electrically connected with inner core 3, in order to guarantee the anode
Tab 13 and the connection of the boss 14 are reliable, and the inner sidewall of the positive pole ear 13 and the boss 14 is welded.Positive terminal
12 pass sequentially through boss 14, positive pole ear 13 is electrically connected with inner core 3, are load supplying.
Positive interconnecting piece 11 is integrally formed with the cover board body 2, it is possible to reduce the processing to the cover board body 2,
The strength reduction of the anode interconnecting piece 11 and the cover board body 2 caused by avoiding because of post-production, so that positive interconnecting piece
11 and the cover board body 2 be less likely to occur to crack, even if abnormal, inside battery air pressure occur in battery is higher than outside batteries gas
When pressure, the anode interconnecting piece 11 and the battery cover board are also less likely to occur rupture and the phenomenon of leakage, the anode structure 1 occur
And it is provided with the battery cover board of the anode structure 1 the service life is longer.Meanwhile positive interconnecting piece 11 and the cover board body 2
It is integrally formed, so that the better tightness of the anode interconnecting piece 11 and the cover board body 2, and reduce increased because of sealing
The production cost of anode structure 1；The anode structure 1 of the utility model has the advantages that structure is simple, can reduce anode structure 1
Volume, and then increase the energy density for being provided with the battery of the anode structure 1, more save the cost.
As disposable embodiment, as shown in fig.4, the anode interconnecting piece 11 is the cover board body 2, it is shown
Positive terminal 12 is electrically connected with the cover board body 2 at the positive interconnecting piece 11, one end of the positive pole ear 13 and the anode
The electrical connection of cover board body 2, the other end and inner core 3 at interconnecting piece 11 connect.
As disposable embodiment, the side wall of the side wall of the positive terminal 12 and the boss 14, which is not generally flush with, to be set
It sets, the bottom surface being connect such as positive terminal 12 with the boss 14, the top surface being connect less than the boss 14 with the positive terminal 12, also
The bottom surface setting as described in the package of the top surface, as long as welding together the positive terminal and the boss.
Embodiment two；
Battery cover board in the present embodiment, refering to fig. 1 and shown in Fig. 2, including negative pole structure 5, cover board body 2 and embodiment
Anode structure 1 described in one.
Negative pole structure 5 and 2 insulation set of cover board body, are cathode output end, the upper surface of the negative pole structure 5 with
The upper surface of the positive terminal 12 is in same plane, and the negative pole structure 5 and the anode structure 1 are arranged in the cover board sheet
2 position of body is centrosymmetric setting.As shown in Figure 2, the negative pole structure 5 includes cathode to negative pole structure 5 in the present embodiment
End 52, cathode pressing plate 53, negative lug 51 and insulating part 54.
The outside of the cover board body 2 is arranged in negative pole end 52, is cathode output end.
53 one end of cathode pressing plate is fixedly connected with the cover board body 2, and the other end is with the negative pole end 52 far from described
The side wall of cover board body 2 offsets, for fixing the negative pole end 52.
51 one end of negative lug is electrically connected with the negative pole end 52, and the other end is electrically connected with inner core 3, and negative pole end 52 passes through institute
Negative lug 51 is stated to be electrically connected with the inner core 3.
Insulating part 54 is arranged between the negative pole end 52 and the cathode pressing plate 53 and the cover board body, will be described negative
Extreme 52 insulate with the cathode pressing plate 53 and the cover board body.Connecting with the insulating part 54 for the negative pole end 52 is outer
The outer wall of wall and the insulating part 54, which is equipped with, can limit the limitation that the negative pole end 52 is rotated around 52 axis of negative pole end
Tooth.The shape of limitation tooth can be arbitrary, and be as long as meeting to limit the negative pole end 52 and rotate around 52 axis of negative pole end
It can.It is, of course, also possible to be arranged on the outer wall of negative pole end 52 being connect with the insulating part 54 and the outer wall of the insulating part 54
Limit the negative pole end 52 another limitation tooth mobile towards or away from the cover board body.However, it is not limited to this, cathode
As long as structure 5 meets and 2 insulation set of cover board body.
Felt pad 4 is provided on the inner sidewall of the cover board body 2, the felt pad 4 extends to the positive interconnecting piece
11 inner sidewall.As shown in figure 3, felt pad 4 extends to the side wall top of the boss 14.
It is circular top view that anode structure 1 is indicated in Fig. 1 as rectangular, negative pole structure 5, in actual use, is needed
Negative pole structure 5 is similar with the face shaping of anode structure 1, as negative pole structure 5 and anode structure 1 are all rectangular or are all circle
Shape.
As disposable embodiment, the outer wall of the negative pole end 52 being connect with the insulating part 54 or the insulation
The outer wall of part 54, which is equipped with, can limit the limitation tooth that the negative pole end 52 is rotated around 52 axis of negative pole end.
Embodiment three:
One of the present embodiment battery, as shown in Fig. 2, including battery described in inner core 3, shell 6 and embodiment two
The inner core 3 is sealed in the shell 6 by cover board, shell 6 with connecting with battery cover board.Inner core 3 passes through the anode respectively
Tab 13 and the negative lug 51 are electrically connected with the anode structure 1 and the negative pole structure 5, to anode structure 1 and negative
The load that pole structure 5 connects exports electric energy.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (11)
1. a kind of anode structure, the anode structure (1) is set on battery cover board, and the battery cover board includes cover board body
(2), which is characterized in that the anode structure (1) includes,
Positive interconnecting piece (11) is integrally formed with the cover board body (2)；
Positive terminal (12) is electrically connected with the lateral wall of the positive interconnecting piece (11), is cathode output end；
Positive pole ear (13), one end are electrically connected with the positive interconnecting piece (11), and the other end is electrically connected with inner core (3).
2. anode structure according to claim 1, which is characterized in that the anode interconnecting piece (11) is the cover board body
(2) boss (14) of side stretching, the positive terminal (12) are upper far from the cover board body (2) with the boss (14) outward
Surface is fixedly connected.
3. anode structure according to claim 2, which is characterized in that the positive terminal (12) is upper with the boss (14)
Surface welding.
4. anode structure according to claim 2 or 3, which is characterized in that the side wall of the positive terminal (12) with it is described convex
The side wall of platform (14) is concordantly arranged.
5. anode structure according to claim 1, which is characterized in that the anode interconnecting piece (11) is the cover board body
(2)。
6. anode structure described in any one of -3,5 according to claim 1, which is characterized in that the positive pole ear (13) and institute
State the inner sidewall welding of positive interconnecting piece (11).
7. a kind of battery cover board, which is characterized in that including anode structure of any of claims 1-6 (1).
8. battery cover board according to claim 7, which is characterized in that further include cover board body (2), the cover board body
(2) it is provided on inner sidewall felt pad (4), the felt pad (4) extends to the inner sidewall of the positive interconnecting piece (11).
9. battery cover board according to claim 7, which is characterized in that further include and the cover board body (2) insulation set
Negative pole structure (5), the upper surface of the upper surface of the negative pole structure (5) and the positive terminal (12) in the same plane, and
The negative pole structure (5) and the anode structure (1) setting are centrosymmetric setting in the cover board body (2) position.
10. battery cover board according to claim 9, which is characterized in that the negative pole structure (5) includes,
Negative pole end (52), setting are cathode output end in the outside of the cover board body (2)；
Cathode pressing plate (53), one end are fixedly connected with the cover board body (2), the separate institute of the other end and the negative pole end (52)
The side wall for stating cover board body (2) offsets, for fixing the negative pole end (52)；
Negative lug (51), one end are electrically connected with the negative pole end (52), and the other end is electrically connected with inner core (3)；
Insulating part (54) is arranged between the negative pole end (52) and the cathode pressing plate (53) and the cover board body, by institute
It states negative pole end (52) and the cathode pressing plate (53) and the cover board body insulate；
It is set on the outer wall of the negative pole end (52) being connect with the insulating part (54), and/or the outer wall of the insulating part (54)
The limitation tooth that the negative pole end (52) is rotated around the negative pole end (52) axis can be limited by having.
11. a kind of battery, which is characterized in that including battery cover board described in any one of claim 7-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900256.1U CN208460815U (en) | 2018-06-11 | 2018-06-11 | A kind of anode structure, battery cover board and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900256.1U CN208460815U (en) | 2018-06-11 | 2018-06-11 | A kind of anode structure, battery cover board and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460815U true CN208460815U (en) | 2019-02-01 |
Family
ID=65159812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820900256.1U Active CN208460815U (en) | 2018-06-11 | 2018-06-11 | A kind of anode structure, battery cover board and battery |
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| Country | Link |
|---|---|
| CN (1) | CN208460815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736337A (en) * | 2021-01-08 | 2021-04-30 | 中天储能科技有限公司 | Cover plate assembly and battery applying same |
-
2018
- 2018-06-11 CN CN201820900256.1U patent/CN208460815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736337A (en) * | 2021-01-08 | 2021-04-30 | 中天储能科技有限公司 | Cover plate assembly and battery applying same |
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