CN218005187U - High-performance battery negative pole lug structure - Google Patents
High-performance battery negative pole lug structure Download PDFInfo
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- CN218005187U CN218005187U CN202221598839.6U CN202221598839U CN218005187U CN 218005187 U CN218005187 U CN 218005187U CN 202221598839 U CN202221598839 U CN 202221598839U CN 218005187 U CN218005187 U CN 218005187U
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- utmost point
- point ear
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Abstract
The utility model discloses a high performance battery negative pole utmost point ear structure, including battery body, battery body's top is provided with negative pole utmost point ear and anodal utmost point ear, and negative pole utmost point ear includes the copper core, and the inside of copper core is provided with well cavity, and the outside of copper core is provided with interior silver layer, and the outer wall of interior silver layer is provided with the nickel layer, and the outside of nickel layer is provided with the silvered film, and the bottom of negative pole utmost point ear and anodal utmost point ear extends to battery body's inside, and the shaping of negative pole utmost point ear and anodal utmost point ear one side outer wall homogeneous body has the fender ear. The utility model discloses a silvered film, nickel layer and the interior silver layer that sets up utilize silvered film and interior silver layer to make battery body's negative pole utmost point ear have good conductivity, make negative pole utmost point ear have good corrosion-resistant and anti disconnected performance through the nickel layer, and then make each item test when negative pole utmost point ear can produce through utmost point ear.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to high performance battery negative pole utmost point ear structure.
Background
Along with the development of the lithium ion battery industry, the application of the lithium ion battery is more and more extensive, and the lug used for connecting the anode and the cathode is arranged in the battery, so that the lithium ion battery can supply power to the outside through the lug.
Chinese patent No. 201120372502.9 discloses a power battery negative pole piece utmost point ear structure that increases battery pole piece mass flow body, rational distribution utmost point ear welding position, including negative pole ear and negative pole piece, the negative pole piece includes the copper foil and coats in the negative pole bisque of copper foil upper and lower surface, its characterized in that: the copper foil comprises a negative electrode lug welding area, a negative electrode powder coating area and a blank area which is not coated with negative electrode powder, the negative electrode lug welding area is positioned at the left end and the right end of the copper foil, and the negative electrode lugs are welded in the negative electrode lug welding area; the blank area is located between a tab welding area on the left side of the upper surface of the copper foil and the electrode powder coating area.
The high-performance battery negative pole lug in the prior art is poor in conductivity and corrosion resistance, so that the lug cannot pass through bending and corrosion tests during production, the contact area of the negative pole lug of the battery and the negative pole layer in the battery is small, and the phenomenon of poor contact of the battery negative pole lug is easy to occur. Therefore, it is highly desirable to design a high-performance battery negative electrode tab structure to solve the above problems.
Disclosure of Invention
The utility model aims at providing a high performance battery negative pole utmost point ear structure to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
high performance battery negative pole utmost point ear structure, including battery body, battery body's top is provided with negative pole utmost point ear and anodal utmost point ear, negative pole utmost point ear includes the copper core, the inside of copper core is provided with well cavity, the outside of copper core is provided with interior silver layer, the outer wall of interior silver layer is provided with the nickel layer, the outside of nickel layer is provided with the silvered film, the bottom of negative pole utmost point ear and anodal utmost point ear extends to battery body's inside, the shaping of negative pole utmost point ear and anodal utmost point ear one side outer wall homogeneous body has the fender ear.
As a preferred embodiment of the present invention, the battery body includes a housing, the inside of the housing is provided with a positive electrode layer, the inside of the positive electrode layer is provided with a negative electrode layer, an interlayer is provided between the negative electrode layer and the positive electrode layer, and the inside of the housing is provided with an electrolyte layer.
As the utility model discloses preferred embodiment, negative pole utmost point ear is electric connection through keeping off the ear with the negative pole layer, anodal utmost point ear is electric connection through keeping off the ear with the positive pole layer.
As the utility model discloses preferred embodiment, the outside of negative pole utmost point ear and positive pole utmost point ear has all wrapped up utmost point ear and has glued, utmost point ear glues the inside that extends to the casing.
As a preferred embodiment of the present invention, the housing includes a heat conductive layer, and the outer wall of the heat conductive layer is provided with a corrosion-resistant layer.
As the utility model discloses preferred embodiment, one side outer wall of negative pole utmost point ear and anodal utmost point ear is opened there is the connecting hole, one side outer wall of negative pole utmost point ear and anodal utmost point ear is provided with anti-skidding line.
In the technical scheme, the utility model provides a high performance battery negative pole utmost point ear structure, beneficial effect is:
(1) Through silver-plated layer, nickel coating and the interior silver coating that sets up, utilize silver-plated layer and interior silver coating to make the negative pole utmost point ear of battery body have good electric conductivity, make the negative pole utmost point ear have good corrosion-resistant and anti performance of breaking through the nickel coating, and then make each item test when the negative pole utmost point ear can be produced.
(2) Through the fender ear that sets up, utilize to keep off the ear and make the negative pole utmost point ear of battery increase on the one hand and the area of contact on negative pole layer for the contact nature of negative pole utmost point ear and battery body is good, and another convenience plays the effect that stops to negative pole utmost point ear, prevents that negative pole utmost point ear and battery body from taking place because of dragging the phenomenon of separation.
(3) Through the connecting hole and the anti-skidding line that set up, make more convenient and firm when carrying out welding with the wire through the connecting hole for the negative pole utmost point ear, through anti-skidding line negative pole utmost point ear fixed more firm when being connected through the plug terminal spare with the wire, consequently realized that the negative pole utmost point ear conveniently welds or the fixed firm effect of grafting.
(4) Through the heat-conducting layer and the corrosion resistant layer that set up, utilize the heat-conducting layer to make the battery body carry out the heat that the during operation produced and carry out effluvium easily, make the battery body can not take place corrosion damage's effect easily in the use through the corrosion resistant layer, consequently realized extension battery body life's effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is the overall structure schematic diagram provided by the embodiment of the high-performance battery negative electrode tab structure of the utility model.
Fig. 2 is the internal structure schematic diagram that the utility model discloses high performance battery negative pole utmost point ear structure embodiment provided.
Fig. 3 is the utility model discloses negative pole utmost point ear structure schematic diagram that high performance battery negative pole utmost point ear structure embodiment provided.
Fig. 4 is the enlarged schematic structure of a position a that the utility model discloses high performance battery negative pole utmost point ear structure embodiment provided.
Description of reference numerals:
the battery comprises a battery body 1, a negative electrode lug 2, a positive electrode lug 3, a connecting hole 4, anti-skid lines 5, a lug glue 6, a shell 7, a positive electrode layer 8, an interlayer 9, a negative electrode layer 10, an electrolyte layer 11, a lug baffle 12, a silver coating 13, a nickel coating 14, an inner silver coating 15, a copper core 16, a hollow cavity 17, an anti-corrosion coating 18 and a heat conduction layer 19.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a high performance battery negative pole utmost point ear structure, including battery body 1, battery body 1's top is provided with negative pole utmost point ear 2 and anodal utmost point ear 3, negative pole utmost point ear 2 includes copper core 16, cavity 17 in the inside of copper core 16 is provided with, copper core 16's outside is provided with interior silver layer 15, interior silver layer 15's outer wall is provided with nickel layer 14, nickel layer 14's outside is provided with silvered film 13, negative pole utmost point ear 2 and anodal utmost point ear 3's bottom extends to battery body 1's inside, negative pole utmost point ear 2 and the equal integrated into one piece of anodal utmost point ear 3 one side outer wall have fender ear 12.
Specifically, in this embodiment, including battery body 1, battery body 1 is the lithium cell of prior art, the top of battery body 1 is provided with negative pole utmost point ear 2 and positive pole utmost point ear 3, utilize negative pole utmost point ear 2 and positive pole utmost point ear 3 to make battery body 1 can supply power to the external, negative pole utmost point ear 2 includes copper core 16, copper core 16 is made for the copper material, copper core 16's inside is provided with well cavity 17, well cavity 17 is hollow structure, make copper core 16 be difficult to produce crackle or rupture when buckling, copper core 16's outside is provided with interior silver layer 15, interior silver layer 15 is made for the silver material, the outer wall of interior silver layer 15 is provided with nickel layer 14, nickel layer 14 is made for the nickel material, the outside of nickel layer 14 is provided with silvered layer 13, silvered layer 13 is the silver-plated layer, the bottom of negative pole utmost point ear 2 and positive pole utmost point ear 3 extends to the inside of battery body 1, the equal integrated into one side outer wall of negative pole utmost point ear 2 and positive pole utmost point ear 3 has fender ear 12, make the negative pole utmost point ear 2 of battery increase on the one side contact area with negative pole layer 10 through fender ear 12, make the contact of negative pole utmost point ear 2 and battery body 1 good, make things convenient for the negative pole utmost point ear 2 and prevent to pull the negative pole utmost point ear phenomenon to take place another emergence.
The utility model provides a high performance battery negative pole utmost point ear structure, silver-plated layer 13, nickel layer 14 and interior silver layer 15 through setting up utilize silver-plated layer 13 and interior silver layer 15 to make battery body 1's negative pole utmost point ear 2 have good conductivity performance, make negative pole utmost point ear 2 have good corrosion-resistant and anti disconnected performance through nickel layer 14, and then each item test when making negative pole utmost point ear 2 can produce through utmost point ear.
In another embodiment, the battery body 1 includes a housing 7, an anode layer 8 is provided in the housing 7, a cathode layer 10 is provided in the anode layer 8, an interlayer 9 is provided between the cathode layer 10 and the anode layer 8, an electrolyte layer 11 is provided in the housing 7, and the cathode layer 10, the anode layer 8, the interlayer 9 and the electrolyte layer 11 are the internal structure of the battery in the prior art.
The utility model provides a in another embodiment, negative pole utmost point ear 2 is electric connection through keeping off ear 12 with negative pole layer 10, and anodal utmost point ear 3 is electric connection through keeping off ear 12 with positive pole layer 8 for utilize to keep off ear 12 and make the area of contact increase of negative pole utmost point ear 2 and anodal utmost point ear 3, prevent that bad contact's phenomenon from taking place for negative pole utmost point ear 2.
The utility model provides a further embodiment, the outside of negative pole utmost point ear 2 and positive pole utmost point ear 3 has all wrapped up utmost point ear and has glued 6, and utmost point ear glues 6 and extends to the inside of casing, utilizes utmost point ear to glue 6 and play insulating and fixed effect to negative pole utmost point ear 2 and positive pole utmost point ear 3.
The utility model provides a further embodiment, shell 7 includes heat-conducting layer 19, and heat-conducting layer 19's outer wall is provided with corrosion-resistant layer 18, and heat-conducting layer 19 makes battery body 1 effuse easily in the heat that carries out the during operation production, makes battery body 1 can not take place the effect of corrosion damage easily in the use through corrosion-resistant layer 18 for extension battery body 1 life's effect.
The utility model provides a further embodiment, one side outer wall of negative pole utmost point ear 2 and anodal utmost point ear 3 is opened there is connecting hole 4, one side outer wall of negative pole utmost point ear 2 and anodal utmost point ear 3 is provided with anti-skidding line 5, make negative pole utmost point ear 2 when welding with the wire through connecting hole 4, the wire can insert the inside welding that welds of connecting hole 4, and then make the more convenient and firm of welding of negative pole utmost point ear 2, it is fixed more firm when being connected through the grafting terminal piece with the wire through 5 negative pole utmost point ears 2 of anti-skidding line, make negative pole utmost point ear 2 conveniently weld or the firm effect of grafting fixation.
The working principle is as follows: the negative pole tab 2 of the battery body 1 has good conductivity through the silver plating layer 13 and the inner silver layer 15, the negative pole tab 2 has good corrosion resistance and fracture resistance through the nickel layer 14, and the negative pole tab 2 can pass various tests during production of the tab; the contact area between the negative pole lug 2 of the battery and the negative pole layer 10 is increased by utilizing the baffle lug 12, so that the contact performance between the negative pole lug 2 and the battery body 1 is good, the function of blocking the negative pole lug 2 is facilitated, and the phenomenon that the negative pole lug 2 is separated from the battery body 1 due to pulling is prevented; the negative pole lug 2 is more convenient and firmer to weld with a lead through the connecting hole 4, and the negative pole lug 2 is more firmly fixed when being connected with the lead through the plug terminal piece through the anti-skid lines 5, so that the effect of convenient welding or plug fixing firmness of the negative pole lug 2 is realized; the heat conducting layer 19 makes it easy to dissipate the heat generated by the battery body 1 during operation, and the corrosion-resistant layer 18 prevents the battery body 1 from being easily damaged by corrosion during use, thereby prolonging the service life of the battery body 1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. High performance battery negative pole utmost point ear structure, a serial communication port, including battery body (1), the top of battery body (1) is provided with negative pole utmost point ear (2) and anodal utmost point ear (3), negative pole utmost point ear (2) are including copper core (16), the inside of copper core (16) is provided with well cavity (17), the outside of copper core (16) is provided with interior silver layer (15), the outer wall of interior silver layer (15) is provided with nickel layer (14), the outside of nickel layer (14) is provided with silvered film (13), the bottom of negative pole utmost point ear (2) and anodal utmost point ear (3) extends to the inside of battery body (1), negative pole utmost point ear (2) and anodal utmost point ear (3) one side outer wall homogeneous body shaping have fender ear (12).
2. The high-performance battery negative electrode tab structure according to claim 1, wherein the battery body (1) comprises a housing (7), a positive electrode layer (8) is arranged inside the housing (7), a negative electrode layer (10) is arranged inside the positive electrode layer (8), an interlayer (9) is arranged between the negative electrode layer (10) and the positive electrode layer (8), and an electrolyte layer (11) is arranged inside the housing (7).
3. The high-performance battery negative electrode tab structure as claimed in claim 2, wherein the negative electrode tab (2) is electrically connected to the negative electrode layer (10) through a blocking tab (12), and the positive electrode tab (3) is electrically connected to the positive electrode layer (8) through the blocking tab (12).
4. The high-performance battery negative electrode tab structure according to claim 2, wherein the negative electrode tab (2) and the positive electrode tab (3) are wrapped with tab glue (6), and the tab glue (6) extends to the inside of the shell.
5. The high-performance battery negative electrode tab structure according to claim 2, wherein the housing (7) comprises a heat conductive layer (19), and an outer wall of the heat conductive layer (19) is provided with a corrosion-resistant layer (18).
6. The high-performance battery negative pole lug structure according to claim 1, wherein the outer wall of one side of the negative pole lug (2) and the positive pole lug (3) is provided with a connecting hole (4), and the outer wall of one side of the negative pole lug (2) and the positive pole lug (3) is provided with anti-skid grains (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221598839.6U CN218005187U (en) | 2022-06-24 | 2022-06-24 | High-performance battery negative pole lug structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221598839.6U CN218005187U (en) | 2022-06-24 | 2022-06-24 | High-performance battery negative pole lug structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005187U true CN218005187U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221598839.6U Active CN218005187U (en) | 2022-06-24 | 2022-06-24 | High-performance battery negative pole lug structure |
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| Country | Link |
|---|---|
| CN (1) | CN218005187U (en) |
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2022
- 2022-06-24 CN CN202221598839.6U patent/CN218005187U/en active Active
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