CN208781936U - A kind of copper turns aluminum honeycomb tab - Google Patents
A kind of copper turns aluminum honeycomb tab Download PDFInfo
- Publication number
- CN208781936U CN208781936U CN201821550665.XU CN201821550665U CN208781936U CN 208781936 U CN208781936 U CN 208781936U CN 201821550665 U CN201821550665 U CN 201821550665U CN 208781936 U CN208781936 U CN 208781936U
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- Prior art keywords
- tab
- copper
- polar ear
- copper polar
- main body
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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
Abstract
The utility model discloses a kind of copper to turn aluminum honeycomb tab, including tab main body, tab main body one end is fixedly welded with copper polar ear, and described copper polar ear one end is welded with aluminium pole ears, and tab main body is made of copper polar ear and aluminium pole ears, adhesion has nickel coating on the outside of the copper polar ear.The utility model forms tab main body by aluminium pole ears and copper polar ear can mitigate tab weight to a certain extent, improve the energy density of battery core, avoid tab heavier mass, the raising of battery core energy density is limited to a certain extent, the surface of copper polar ear is coated with nickel coating, in this way it is protected copper polar ear surface, prevent service time of battery one long, oxidation generation patina can occur on copper tab surface and generation lithium ion battery electric conductivity is caused to reduce, the phenomenon that influencing electric appliance normal use, improve the quality of product and the reliability of lithium ion battery work, extend service life, it is suitble to be widely used and promotes.
Description
Technical field
The utility model relates to a kind of negative lug, in particular to a kind of copper turns aluminum honeycomb tab.
Background technique
Tab is a kind of raw material of lithium ion polymer battery and lithium-manganese cell product.Such as it is used in our lives
Battery of mobile phone, Bluetooth battery, Notebook Battery etc. requires to use tab.Battery divides positive and negative anodes, and tab is exactly from electricity
The metallic conductor for extracting positive and negative anodes in core, the popular ear for saying battery positive and negative polarities are connecing when carrying out charge and discharge
Contact.This contact point be not we have seen that battery appearance that copper sheet, but a kind of connection of inside battery.Tab
It is divided into three kinds of materials, the anode of battery uses aluminium (Al) material, and cathode uses nickel (Ni) material, and cathode also has copper nickel plating (Ni-
Cu) material, they are combined by film and metal tape two parts.
The energy density of battery core is very important performance parameter, the negative lug used now be largely copper polar ear,
Nickel tab, copper nickel plating tab, copper turn nickel tab, and the tab heavier mass of this type limits battery core energy to a certain extent
The raising of density.For this purpose, it is proposed that a kind of copper turns aluminum honeycomb tab.
Utility model content
The main purpose of the utility model is to provide a kind of copper to turn aluminum honeycomb tab, is made up of aluminium pole ears and copper polar ear
Tab main body can mitigate tab weight to a certain extent, improve the energy density of battery core, tab heavier mass be avoided, one
Determine to limit the raising of battery core energy density in degree, the surface of copper polar ear is coated with nickel coating, make in this way copper polar ear surface by
Protection, it is therefore prevented that service time of battery one is long, can copper tab surface occur oxidation generate patina and cause to generate lithium from
Sub- battery conductive reduces, influences the phenomenon that electric appliance normal use, and what the quality and lithium ion battery for improving product worked can
By property, service life is extended, be suitble to be widely used and is promoted, the problems in background technique can be effectively solved.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of copper turns aluminum honeycomb tab, including tab main body, and tab main body one end is fixedly welded with copper polar ear, described
Copper polar ear one end is welded with aluminium pole ears, and tab main body is made of copper polar ear and aluminium pole ears, and adhesion has nickel on the outside of the copper polar ear
Coating.
Further, copper polar ear one end side wall adhesion has No.1 gel, the other side adhesion of described copper polar ear one end
There are No. two gels, and No.1 gel is located at No. two gel sides.
Further, the copper polar ear and aluminium pole ears junction are fixed with pad, and copper polar ear passes through with aluminium pole ears
Ultrasonic welding mode connects.
Compared with prior art, the utility model has the following beneficial effects:
1. tab main body is equipped with copper polar ear by one end, one end of copper polar ear is connected to aluminium pole ears, aluminium pole ears by ultrasonic bond
Tab weight can be mitigated to a certain extent with copper polar ear composition tab main body, the energy density of battery core is improved, avoid tab
Heavier mass limits the raising of battery core energy density to a certain extent.
2. the surface of copper polar ear is coated with nickel coating, in this way it is protected copper polar ear surface, it is therefore prevented that when battery uses
Between it is one long, oxidation can occur on copper tab surface and generate patina and lead to generate lithium ion battery electric conductivity reduces, influences electricity
The phenomenon that device normal use, improves the quality of product and the reliability of lithium ion battery work, extends service life.
3. being equipped with No.1 gel and No. two gels, No.1 gel and two in copper polar ear and aluminium pole ears pad side
Number gel is located at copper polar ear two sides, keeps insulating properties more preferable.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of copper of the utility model turns aluminum honeycomb tab.
Fig. 2 is the side structure schematic view that a kind of copper of the utility model turns aluminum honeycomb tab.
In figure: 1, tab main body；2, No.1 gel；3, copper polar ear；4, aluminium pole ears；5, pad；6, No. two tabs；7,
Nickel coating.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-2, a kind of copper turns aluminum honeycomb tab, including tab main body 1, the fixed weldering in described 1 one end of tab main body
It is connected to copper polar ear 3, described 3 one end of copper polar ear is welded with aluminium pole ears 4, and tab main body 1 is made of copper polar ear 3 and aluminium pole ears 4, institute
Stating 3 outside adhesion of copper polar ear has nickel coating 7.
As shown in Figure 1, aluminium pole ears 4 and the composition tab main body 1 of copper polar ear 3 can mitigate to a certain extent in the present embodiment
Tab weight improves the energy density of battery core, avoids tab heavier mass, limits battery core energy density to a certain extent
It improves, the surface of copper polar ear 3 is coated with nickel coating 7, is in this way protected 3 surface of copper polar ear, it is therefore prevented that service time of battery
One is long, and meeting generates patina in the generation oxidation of copper tab surface and leads to generate the reduction of lithium ion battery electric conductivity, influence electric appliance
The phenomenon that normal use, improves the quality of product and the reliability of lithium ion battery work, extends service life.
Wherein, 3 one end side wall adhesion of copper polar ear has No.1 gel 2, and 3 one end other side adhesion of copper polar ear has
No. two gels 6, and No.1 gel 2 is located at No. two 6 sides of gel.
In the present embodiment as illustrated in fig. 1 and 2, No.1 gel 2 and No. two gels 6 are located at 3 two sides of copper polar ear, make to insulate
Property is more preferable.
Wherein, the copper polar ear 3 is fixed with pad 5 with 4 junction of aluminium pole ears, and copper polar ear 3 passes through with aluminium pole ears 4
Ultrasonic welding mode connects.
As shown in Figure 1, ultrasonic welding good conductivity, resistance coefficient is extremely low or near-zero, fusion intensity are high in the present embodiment.
It should be noted that the utility model is that a kind of copper turns aluminum honeycomb tab, tab main body 1, No.1 gel 2, copper
Tab 3, aluminium pole ears 4, pad 5, No. two tabs 6, nickel coatings 7, component is that universal standard part or those skilled in the art know
The component of dawn, structure and principle are all that this technology personnel can be learnt by technical manual or be obtained by routine experiment method
Know, when work, tab main body 1 is equipped with copper polar ear 3 by one end, and one end of copper polar ear 3 is connected to aluminium pole ears 4, aluminium by ultrasonic bond
Tab 4 and copper polar ear 3 form tab main body 1 can mitigate tab weight to a certain extent, improve the energy density of battery core, keep away
Exempt from tab heavier mass, limits the raising of battery core energy density to a certain extent.Nickel coating is coated on the surface of copper polar ear 3
7, in this way it is protected 3 surface of copper polar ear, it is therefore prevented that service time of battery one is long, can aoxidize on copper tab surface
It generates patina and leads to generate the reduction of lithium ion battery electric conductivity, influences the phenomenon that electric appliance normal use, to improve the matter of product
The reliability of amount and lithium ion battery work, extends service life.One is equipped in copper polar ear 3 and 4 pad of aluminium pole ears, 5 side
Number gel 2 and No. two gels 6, No.1 gel 2 and No. two gels 6 are located at 3 two sides of copper polar ear, keep insulating properties more preferable.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of copper turns aluminum honeycomb tab, including tab main body (1), it is characterised in that: the fixed weldering in described tab main body (1) one end
It is connected to copper polar ear (3), described copper polar ear (3) one end is welded with aluminium pole ears (4), and tab main body (1) is by copper polar ear (3) and aluminium pole
Ear (4) composition, copper polar ear (3) the outside adhesion have nickel coating (7).
2. a kind of copper according to claim 1 turns aluminum honeycomb tab, it is characterised in that: described copper polar ear (3) one end side wall
Adhesion has No.1 gel (2), and copper polar ear (3) one end other side adhesion has No. two gels (6), and No.1 gel
(2) it is located at No. two gel (6) sides.
3. a kind of copper according to claim 1 turns aluminum honeycomb tab, it is characterised in that: the copper polar ear (3) and aluminium pole ears
(4) junction is fixed with pad (5), and copper polar ear (3) is connect with aluminium pole ears (4) by ultrasonic welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550665.XU CN208781936U (en) | 2018-09-21 | 2018-09-21 | A kind of copper turns aluminum honeycomb tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550665.XU CN208781936U (en) | 2018-09-21 | 2018-09-21 | A kind of copper turns aluminum honeycomb tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781936U true CN208781936U (en) | 2019-04-23 |
Family
ID=66162204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821550665.XU Active CN208781936U (en) | 2018-09-21 | 2018-09-21 | A kind of copper turns aluminum honeycomb tab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781936U (en) |
-
2018
- 2018-09-21 CN CN201821550665.XU patent/CN208781936U/en active Active
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