CN206742369U - A kind of battery and battery component - Google Patents

A kind of battery and battery component Download PDF

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Publication number
CN206742369U
CN206742369U CN201720290806.8U CN201720290806U CN206742369U CN 206742369 U CN206742369 U CN 206742369U CN 201720290806 U CN201720290806 U CN 201720290806U CN 206742369 U CN206742369 U CN 206742369U
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China
Prior art keywords
battery
aluminiferous metals
main body
metals piece
piece
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CN201720290806.8U
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Chinese (zh)
Inventor
黄利明
何巍
方荣主
宋鹏元
宋志新
祝媛
刘金成
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Eve Energy Co Ltd
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Eve Energy Co Ltd
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Priority to CN201720290806.8U priority Critical patent/CN206742369U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a kind of battery and battery component, belong to cell art, to be designed the problems such as solving existing battery and the stability difference of aluminium wire ultra-sonic welded.The utility model battery includes columned battery main body, and the first end of battery main body is provided with positive terminal, the second end is provided with negative terminal;The first end of battery main body is provided with the first aluminiferous metals piece that can be conducted with positive terminal, and/or, the second end of battery main body is provided with the second aluminiferous metals piece that can be conducted with negative terminal;First aluminiferous metals piece, the second aluminiferous metals piece are used for ultra-sonic welded aluminium wire.The utility model battery and battery component, can lift stability, the reliability of aluminium wire ultra-sonic welded, and are advantageous to the conduction of cell heat and distribute, in terms of the heat management of battery advantageously.

Description

A kind of battery and battery component
Technical field
It the utility model is related to cell art, more particularly to a kind of battery and battery component.
Background technology
As shown in Figure 1 to Figure 3, the positive terminal of box hat cylindrical battery has a boss to the structure of general box hat cylindrical battery Part.The positive terminal and negative pole end of box hat cylindrical battery using ultra-sonic welded (wirebonding) technique welding aluminium wire, but on State Ultrasonic welding processes and following problems be present:1) aluminium wire and box hat welding requirements box hat surface cleanliness are high, and box hat battery top Plating nickel on surface is typically understood at end (positive terminal), and can all be cleaned in cell production process, dries, apply oil processing, top cover with Box hat lower surface can remain water stain impurity of Denging, and welding is influenceed when with aluminium wire ultra-sonic welded, even results in rosin joint;2) ultrasonic bond When connecing, aluminium wire is high with nickel-plated steel bonding power, and producing cost is also high;3) aluminium wire and nickel-plated steel ultra-sonic welded stability are poor, easily There is failure welding.
Utility model content
First purpose of the present utility model is to propose that a kind of and aluminium wire ultra-sonic welded stability is higher, welding sequence Repair rate is low, can save the battery of production cost;
Second purpose of the present utility model is the battery component for proposing that a kind of stability is high, functional reliability is high.
For up to this purpose, on the one hand, the utility model uses following technical scheme:
A kind of battery, including columned battery main body, the first end of the battery main body are provided with positive terminal, second End is provided with negative terminal, and the first end of the battery main body is provided with can be conducted with the positive terminal first and contains aluminium gold Belong to piece;And/or the second end of the battery main body is provided with the second aluminiferous metals piece that can be conducted with the negative terminal, The first aluminiferous metals piece, the second aluminiferous metals piece are used for ultra-sonic welded aluminium wire.
Further, the first end of the battery main body is in sunk structure, and described first is provided with the sunk structure Aluminiferous metals piece, the first aluminiferous metals piece are the explosion-proof diaphragm of the battery, and the explosion-proof diaphragm is the battery Positive terminal.
Further, the thickness of the explosion-proof diaphragm is 0.2-0.5mm.
Further, the second aluminiferous metals piece is arranged in the middle part of the end face at the second end of the battery main body, and institute State the outside that the second aluminiferous metals piece is arranged at the negative terminal of the battery main body.
Further, the second aluminiferous metals piece and the end face at the second end of the battery main body pass through multiple Laser Weldings Point carries out Laser Welding welding.
Further, the thickness of the second aluminiferous metals piece is 0.05-0.3mm.
Further, the first aluminiferous metals piece, the second aluminiferous metals piece are aluminium sheet or aluminium alloy plate.
Further, the height of the battery is 65-65.4mm.
Further, the battery is cylindrical battery.
On the other hand, the utility model uses following technical scheme:
A kind of battery component for including battery described in any of the above-described, the first end of the battery main body are provided with first and contained During aluminum metal film, ultrasonic bond is connected to aluminium wire on the first aluminiferous metals piece, aluminium wire away from the first aluminiferous metals piece one End is connected with the piece that confluxes;When second end of the battery main body is provided with the second aluminiferous metals piece, the second aluminiferous metals piece Upper ultrasonic bond is connected to aluminium wire, and the one end of aluminium wire away from the second aluminiferous metals piece is connected with the piece that confluxes.
The beneficial effects of the utility model are as follows:
Battery provided by the utility model, its positive terminal and negative pole end set aluminiferous metals piece, by aluminiferous metals piece with Aluminium wire ultra-sonic welded, because the surface of aluminiferous metals piece is more easy to clean and is same metal with aluminium wire, aluminium wire ultrasound can be lifted Stability, the reliability of welding, and be advantageous to the conduction of cell heat and distribute, in terms of the heat management of battery advantageously.
The connection of battery component provided by the utility model, aluminium wire and battery is more stable, reliable, and the work of battery component can By property height.
Brief description of the drawings
Fig. 1 is the structural representation of existing box hat cylindrical battery;
Fig. 2 connects aluminium wire and structural representation after the piece that confluxes at one end for the negative terminal of existing box hat cylindrical battery;
Fig. 3 connects aluminium wire and structural representation after the piece that confluxes at one end for the positive terminal of existing box hat cylindrical battery;
Fig. 4 is that the first end for the battery main body that the utility model preferred embodiment one provides connects aluminium wire and tied after the piece that confluxes Structure schematic diagram;
Fig. 5 is that the second end of the battery main body that the utility model preferred embodiment one provides connects aluminium wire and tied after the piece that confluxes Structure schematic diagram;
Fig. 6 is the structural representation of the first end for the battery main body that the utility model preferred embodiment one provides.
In figure:
1st, battery main body;2nd, the first aluminiferous metals piece;3rd, the second aluminiferous metals piece;4th, aluminium wire;5th, conflux piece;6th, boss; 7th, anode ear;8th, conductive plate;9th, insulation spacer;10th, outer retainer ring;11st, interior retainer ring.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one:
A kind of battery is present embodiments provided, it is preferred but is not limited to box hat cylindrical battery or other and aluminium The battery of the stability difference of silk ultra-sonic welded.
As shown in Figure 4 and Figure 5, the battery that the present embodiment provides is box hat cylindrical battery, and it includes columned electricity Tank main body 1, the first end of battery main body 1 is provided with positive terminal, the second end is provided with negative terminal;The first of battery main body 1 End is provided with the first aluminiferous metals piece 2 that can be conducted with positive terminal, and/or, the second end of battery main body 1 is provided with and born The second aluminiferous metals piece 3 that extreme son can conduct, the first aluminiferous metals piece 2, the second aluminiferous metals piece 3 are used for ultra-sonic welded aluminium Silk 4.First aluminiferous metals piece 2 and the second aluminiferous metals piece 3 can be aluminium sheet or aluminium alloy plate.In the present embodiment, battery main body Shell be preferably box hat.
The battery that the present embodiment provides, its positive terminal and negative pole end set aluminiferous metals piece, pass through aluminiferous metals piece and aluminium 4 ultra-sonic weldeds of silk, because the surface of aluminiferous metals piece is more easy to clean and is same metal with aluminium wire 4, the ultrasound of aluminium wire 4 can be lifted Stability, the reliability of welding, and be advantageous to the conduction of cell heat and distribute, in terms of the heat management of battery advantageously.
In the present embodiment, the first end of battery main body 1 is in sunk structure, and the first aluminiferous metals piece is provided with sunk structure 2, the first aluminiferous metals piece 2 is the explosion-proof diaphragm of battery, and rupture pressure disc is the positive terminal of battery.In the present embodiment, compared to Existing box hat cylindrical battery, the boss at anode end is eliminated, bigger space is provided for the action of explosion-proof diaphragm, favourable The security of battery is improved while radiating.
First aluminiferous metals piece 2 preferably but is not limited to aluminum alloy sheet.Due to needing to bear pressure, the thickness of explosion-proof diaphragm It is preferred that but it is not limited to 0.2-0.5mm;It is highly preferred that the thickness of explosion-proof diaphragm be 0.25mm, 0.3mm, 0.35mm, 0.4mm or 0.5mm.After the boss for removing anode end, the height of battery main body 1 can increase 0.5mm or so, and increased height space can For lifting battery capacity, the height of existing cylindrical battery is usually 64.8mm, the battery in the present embodiment it is highly preferred For 65-65.4mm;It is highly preferred that the height of battery is 65.3mm.
In the present embodiment, the mounting means of explosion-proof diaphragm is not specifically limited, can be with the anode ear inside battery main body 1 7 electrical connections are to be used as positive terminal.Specifically, as shown in fig. 6, the inner side of sunk structure is set along direction from outside to inside There are outer retainer ring 10 and interior retainer ring 11, explosion-proof diaphragm includes the locating ring of the periphery setting of flake main body and flake main body, fixed Position ring is located between outer retainer ring 10 and interior retainer ring 11.Outer retainer ring 10 is preferably to be made up of resistant to elevated temperatures insulating materials, Such as PBT or PP.Anode ear 7 is arranged at the lower section of explosion-proof diaphragm, is provided with conductive plate 8 between explosion-proof diaphragm and anode ear 7, leads Electroplax 8 welds with anode ear 7.Conductive plate 8 is bonded setting with explosion-proof diaphragm, and in explosion-proof diaphragm outwardly convex, conductive plate 8 can be with Explosion-proof diaphragm departs from.Preferably, insulation spacer 9 is provided between the periphery of conductive plate 8 and explosion-proof diaphragm.
In the present embodiment, the second aluminiferous metals piece 3 is provided with the middle part of the end face at the second end of battery main body 1, and second contains Aluminum metal film 3 is arranged at the outside of the negative terminal of battery main body 1.Second aluminiferous metals piece 3 is first set, and can reduce welding will Ask and (the second aluminiferous metals piece 3 is welded by welding manners such as Laser Weldings).Specifically, the electricity of the second aluminiferous metals piece 3 and battery The end face of tank main body 1 carries out Laser Welding welding by multiple (at least two) Laser Welding points.Preferably, the second aluminiferous metals piece 3 Welded by the end face of four laser solder joints and battery main body 1;The diameter of solder joint is preferred but is not limited to 0.5mm.Battery The negative electrode lug of main body 1 and the resistance welding of the inside of battery main body 1, the second aluminiferous metals piece are located on the outside of negative terminal, a side Face can effectively prevent ultrasound to the welded broken ring at the negative electrode lug of battery main body inside;On the other hand, charge and discharge process Heat caused by negative electrode lug quickly can be transmitted and spread by aluminium flake and aluminium wire 4.
In the present embodiment, the thickness of the second aluminiferous metals piece 3 is 0.05-0.3mm;It is highly preferred that the second aluminiferous metals piece 3 Thickness be 0.1mm.
Preferred embodiment two:
Referring again to Fig. 4 and Fig. 5, a kind of battery of the battery including as described in preferred embodiment one is present embodiments provided Component, when the first end of battery main body 1 is provided with the first aluminiferous metals piece 2, ultrasonic bond is connected to aluminium wire on the first aluminiferous metals piece 2 4, the one end of aluminium wire 4 away from the first aluminiferous metals piece 2 is connected with the piece 5 that confluxes;Second end of battery main body 1 is provided with second and contains aluminium During sheet metal 3, ultrasonic bond is connected to aluminium wire 4, one end connection of the aluminium wire 4 away from the second aluminiferous metals piece 3 on the second aluminiferous metals piece 3 There is the piece 5. that confluxes
The battery component that the present embodiment provides, the connection of aluminium wire and battery is more stable, reliable, the reliable operation of battery component Property it is high.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein, Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model, These modes are fallen within the scope of protection of the utility model.

Claims (10)

1. a kind of battery, it is characterised in that including columned battery main body (1), the first end of the battery main body (1) is set There are positive terminal, the second end to be provided with negative terminal;The first end of the battery main body is provided with can electricity with the positive terminal First aluminiferous metals piece (2) of conducting, and/or, the second end of the battery main body is provided with can conductance with the negative terminal The second logical aluminiferous metals piece (3);The first aluminiferous metals piece (2), the second aluminiferous metals piece (3) are used for ultra-sonic welded Aluminium wire (4).
2. battery according to claim 1, it is characterised in that the first end of the battery main body is in sunk structure, described The first aluminiferous metals piece (2) is provided with sunk structure, the first aluminiferous metals piece (2) is the rupture pressure disc of the battery Piece, the explosion-proof diaphragm are the positive terminal of the battery.
3. battery according to claim 2, it is characterised in that the thickness of the explosion-proof diaphragm is 0.2-0.5mm.
4. battery according to claim 1, it is characterised in that the second aluminiferous metals piece (3) is arranged at the battery In the middle part of the end face at the second end of main body, and the second aluminiferous metals piece (3) is arranged at the negative terminal of the battery main body Outside.
5. battery according to claim 4, it is characterised in that the second aluminiferous metals piece (3) and the battery main body The second end end face pass through multiple Laser Welding points carry out Laser Welding welding.
6. battery according to claim 4, it is characterised in that the thickness of the second aluminiferous metals piece (3) is 0.05- 0.3mm。
7. according to the battery described in any one of claim 1 to 6, it is characterised in that the first aluminiferous metals piece (2), described Second aluminiferous metals piece (3) is aluminium sheet or aluminium alloy plate.
8. according to the battery described in any one of claim 1 to 6, it is characterised in that the height of the battery is 65-65.4mm.
9. according to the battery described in any one of claim 1 to 6, it is characterised in that the battery is cylindrical battery.
A kind of 10. battery component for including the battery as described in any one of claim 1 to 9, it is characterised in that the battery main body First end when being provided with the first aluminiferous metals piece (2), ultrasonic bond is connected to aluminium wire (4), aluminium on the first aluminiferous metals piece (2) The one end of silk (4) away from the first aluminiferous metals piece (2) is connected with the piece that confluxes (5);Second end of the battery main body is set When having the second aluminiferous metals piece (3), ultrasonic bond is connected to aluminium wire (4) on the second aluminiferous metals piece (3), and aluminium wire (4) is away from institute The one end for stating the second aluminiferous metals piece (3) is connected with the piece that confluxes (5).
CN201720290806.8U 2017-03-23 2017-03-23 A kind of battery and battery component Active CN206742369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720290806.8U CN206742369U (en) 2017-03-23 2017-03-23 A kind of battery and battery component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720290806.8U CN206742369U (en) 2017-03-23 2017-03-23 A kind of battery and battery component

Publications (1)

Publication Number Publication Date
CN206742369U true CN206742369U (en) 2017-12-12

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106816573A (en) * 2017-03-23 2017-06-09 惠州亿纬锂能股份有限公司 A kind of battery and battery component
CN111063855A (en) * 2018-10-17 2020-04-24 欣旺达电动汽车电池有限公司 Unilateral welding method for cylindrical battery cell
WO2020132292A1 (en) * 2018-12-20 2020-06-25 Silgan Containers Llc Reinforced-end battery cell spacer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106816573A (en) * 2017-03-23 2017-06-09 惠州亿纬锂能股份有限公司 A kind of battery and battery component
CN111063855A (en) * 2018-10-17 2020-04-24 欣旺达电动汽车电池有限公司 Unilateral welding method for cylindrical battery cell
WO2020132292A1 (en) * 2018-12-20 2020-06-25 Silgan Containers Llc Reinforced-end battery cell spacer
CN113169412A (en) * 2018-12-20 2021-07-23 希尔康容器有限责任公司 End reinforced battery cell spacer

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