CN205092285U - Contain electric core of soft package that changes nickel utmost point ear - Google Patents
Contain electric core of soft package that changes nickel utmost point ear Download PDFInfo
- Publication number
- CN205092285U CN205092285U CN201520572273.3U CN201520572273U CN205092285U CN 205092285 U CN205092285 U CN 205092285U CN 201520572273 U CN201520572273 U CN 201520572273U CN 205092285 U CN205092285 U CN 205092285U
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- Prior art keywords
- utmost point
- lug
- aluminium
- nickel
- point ear
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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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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a contain electric core of soft package that changes nickel utmost point ear, it includes electric core body, exerted anodal ear and negative pole ear, anodal ear and/or negative pole ear change nickel utmost point ear for aluminium, aluminium changes nickel utmost point ear and includes aluminium utmost point ear and nickel utmost point ear, aluminium utmost point ear is connected with electric core body electricity, nickel utmost point ear passes through the laser welding mode and connects in aluminium utmost point ear, the cladding encapsulation is glued through utmost point ear to switching department of nickel utmost point ear and aluminium utmost point ear. It is as an organic whole that the electric core of above -mentioned soft package adopts the laser welding mode will change the welding of nickel utmost point ear, need not to fold, and sharp corner that fundamentally had eliminated folding formation is destroyed electric core and has been avoided the risk of rupture, and utmost point ear is glued and had both been played the bonding effect, protects switching department simultaneously to make electric core stability of quality and reliability greatly promoted, and laser welding is used in switching department, optimize the process, use manpower sparingly, promote production efficiency, reduction in production cost.
Description
Technical field
The utility model relates to battery product technical field, is specifically related to a kind of soft pack cell containing turning nickel lug.
Background technology
Along with electronic product is constantly developed, lithium ion battery is used widely, and present electronic product is in continuous update, simultaneously also more and more higher to the requirement of lithium ion battery product.At present in whole battery industry, the product quality of each battery producer differs, the producer of 90% is all in low and middle-end level, to on the electronic product of some high requests, battery performance can not meet the demands, such as: in early days mainly based on bluetooth, not very high to the performance requirement of battery, as long as there is the enterprise of certain fund can put into lithium ion battery industry, and from current market, main electronic product is digital, panel computer, ultra thin handset, electronic product is all touch-screen display, this series products is because being subject to the restriction of volume, require that Bao Yuehao got over by battery.
Soft-package battery is the third generation dynamic lithium battery grown up on the basis of original box hat, aluminum hull, electric battery with plastic case, with it gentlier, thinner, have extended cycle life, security performance is good, energy density is high, discharge platform is stable, power-performance is outstanding, the advantage such as environment friendly and pollution-free, is subject to the favor of users at home and abroad.Soft-package battery product is widely used in the multiple fields such as electric bicycle, battery-operated motor cycle, electric automobile, electric tool, electronic toy, solar photovoltaic generation system, wind generator system, mobile communication base station, large server ups power for subsequent use, emergency lighting, Portable mobile power source and mine safety appliance.Its subsidiary products main application fields has the product such as notebook computer, LED flashlight, mobile phone, mobile DVD, GPS.
Soft-package battery mainly contains battery core, the large chief component of battery PCB baffle two.Battery core surface structure comprises battery core main body, the anode ear exposed and the negative electrode lug exposed.The anode ear exposed and the negative electrode lug exposed are the conductor and the interface channel that are connected battery core and battery PCB baffle.Usually have one at least for turning nickel lug in anode ear or negative electrode lug, such as, be generally aluminium-to-nickel lug.Aluminium-to-nickel lug folds in switching place usually, complex process, and burst has sharp edges, has the risk puncturing soft pack cell, and bending also easily comes off, ruptures, and causes product quality unreliable, unstable.
Utility model content
In view of this, provide a kind of promote steady quality reliability, cost low containing the soft pack cell turning nickel lug.
A kind of soft pack cell containing turning nickel lug, it comprises battery core body, the anode ear exposed and negative electrode lug, described anode ear and/or negative electrode lug are aluminium-to-nickel lug, described aluminium-to-nickel lug comprises aluminium pole ears portion and nickel lug portion, described aluminium pole ears portion is electrically connected with battery core body, described nickel lug portion is connected to aluminium pole ears portion by laser welding mode, and switching place in described nickel lug portion and aluminium pole ears portion is by the coated encapsulation of tab.
Further, described nickel lug portion and aluminium pole ears portion are in switching place overlap, and described lap is connected by bikini laser welding or four-point laser welding.
Further, described tab at least envelopes described lap.
Further, the length of overlapped part in described nickel lug portion and aluminium pole ears portion is 0.1-0.3mm.
Further, described anode ear is aluminium-to-nickel lug, and described negative electrode lug is nickel lug.
Further, an aluminium pole ears portion part for described aluminium-to-nickel lug is embedded in battery core body, and another part is coated in tab.
Further, one end that described battery core body is installing lug has closedtop limit, and the margin on described closedtop limit is less than or equal to 3 millimeters, and described nickel lug portion and aluminium pole ears portion are linked into an integrated entity by bikini laser welding in switching place.
Further, one end that described battery core body is installing lug has closedtop limit, and the margin on described closedtop limit is more than 3 millimeters, and described nickel lug portion and aluminium pole ears portion are linked into an integrated entity by four-point laser welding in switching place.
The above-mentioned soft pack cell containing turning nickel lug adopts laser welding mode will turn nickel tab welding and is integrated; without the need to folding; fundamentally eliminate the sharp edges be folded to form destroy battery core and avoid the risk fractureed; and by tab is coated on switching place; the bonding lug effect of tab itself can be played, protect switching place simultaneously, thus quality stability and reliability are greatly improved; and lug can be made to save space as far as possible, product is more attractive in appearance.In addition, because tradition switching adopts folding mode, add process complexity, and soft pack cell of the present utility model is directly by switching place laser welding, Optimization Technology program, saves manpower, improving production efficiency, reduce production cost.
Accompanying drawing explanation
Fig. 1 be the utility model embodiment provide containing the structural representation of soft pack cell turning nickel lug.
Fig. 2 be Fig. 1 containing the end view of soft pack cell turning nickel lug.
Fig. 3 be Fig. 1 containing the vertical view of soft pack cell turning nickel lug.
Fig. 4 be Fig. 1 turn the first structural representation of nickel lug.
Fig. 5 be Fig. 1 turn nickel lug the second structural representation.
Embodiment
Below with reference to specific embodiments and the drawings, the utility model is described in detail.
Refer to Fig. 1 to Fig. 3, display the utility model embodiment containing the soft pack cell 10 turning nickel lug, it comprises battery core body 11, the anode ear 12 exposed and negative electrode lug 13, described anode ear 12 and/or negative electrode lug 13 are aluminium-to-nickel lug, in the present embodiment, anode ear 12 is preferably aluminium-to-nickel lug 12, and negative electrode lug 13 is nickel lug, below for anode ear 12.This aluminium-to-nickel lug 12 comprises aluminium pole ears portion 121 and nickel lug portion 122, aluminium pole ears portion 121 is electrically connected with battery core body 11, nickel lug portion 122 is connected to aluminium pole ears portion 121 by laser welding mode, and switching place in nickel lug portion 122 and aluminium pole ears portion 121 is by the coated encapsulation of tab 14.
Particularly, battery core body 11 can be square or rectangle battery core body, has plastic-aluminum shell, and one end that battery core body 11 installs lug has closedtop limit 112.For different battery core models, in two kinds of situation, a kind of margin of closedtop limit is more than 3 millimeters, and the margin on another kind of closedtop limit is less than or equal to 3 millimeters on closedtop limit 112.
As shown in Fig. 1 and Fig. 4-5, nickel lug portion 122 and aluminium pole ears portion 121 are in switching place overlap, and lap is connected by bikini laser welding or four-point laser welding, forms bikini weld part 151, four-point weld part 152 respectively.Wherein, the margin for closedtop limit is less than or equal to 3 millimeters, preferably adopts bikini welding manner.Compare four-point welding manner due to bikini welding manner and decrease a pad, raising efficiency under the prerequisite of ensuring the quality of products, reduce the scope of operation, more save time, raise the efficiency.Particularly, the margin for closedtop limit is more than 3 millimeters, preferably adopts four-point weld part 152.Traditional welding adopts ultrasonic bonding, because ultrasonic bonding regulates more numerous and diverse inconvenience, and plumb joint of often will polishing, and easy sealing-off.And laser welding is owing to being laser mode, without the need to plumb joint of polishing, welding efficiency is higher, more reliably.
As shown in Figures 4 and 5, tab 14 preferably at least envelopes lap, or perhaps laser welding portion.Like this, tab 14 can play bonding lug effect of tab 14 itself, protects switching place simultaneously.Further, the length of overlapped part in nickel lug portion 122 and aluminium pole ears portion 121 is 0.1-0.3mm.Further, aluminium pole ears portion 121 part for aluminium-to-nickel lug is embedded in battery core body 11, and another part is coated in tab 14.
The above-mentioned soft pack cell 10 containing turning nickel lug adopts laser welding mode will turn nickel tab welding and is integrated; without the need to folding; fundamentally eliminate the sharp edges be folded to form destroy battery core and avoid the risk fractureed; and by tab 14 is coated on switching place; bonding lug effect of tab 14 itself can be played, protect switching place simultaneously, thus quality stability and reliability are greatly improved; and lug can be made to save space as far as possible, product is more attractive in appearance.In addition, because tradition switching adopts folding mode, add process complexity, and soft pack cell of the present utility model is directly by switching place laser welding, Optimization Technology program, saves manpower, improving production efficiency, reduce production cost.
It should be noted that; the utility model is not limited to above-mentioned execution mode; according to creative spirit of the present utility model; those skilled in the art can also make other changes; these changes done according to creative spirit of the present utility model, all should be included within the utility model scope required for protection.
Claims (8)
1. one kind containing the soft pack cell turning nickel lug, it comprises battery core body, the anode ear exposed and negative electrode lug, it is characterized in that, described anode ear and/or negative electrode lug are aluminium-to-nickel lug, described aluminium-to-nickel lug comprises aluminium pole ears portion and nickel lug portion, described aluminium pole ears portion is electrically connected with battery core body, and described nickel lug portion is connected to aluminium pole ears portion by laser welding mode, and switching place in described nickel lug portion and aluminium pole ears portion is by the coated encapsulation of tab.
2. as claimed in claim 1 containing the soft pack cell turning nickel lug, it is characterized in that, described nickel lug portion and aluminium pole ears portion are in switching place overlap, and described lap is connected by bikini laser welding or four-point laser welding.
3. as claimed in claim 2 containing the soft pack cell turning nickel lug, it is characterized in that, described tab at least envelopes described lap.
4. as claimed in claim 2 containing the soft pack cell turning nickel lug, it is characterized in that, the length of overlapped part in described nickel lug portion and aluminium pole ears portion is 0.1-0.3mm.
5. as claimed in claim 1 containing the soft pack cell turning nickel lug, it is characterized in that, described anode ear is aluminium-to-nickel lug, and described negative electrode lug is nickel lug.
6. as claimed in claim 1 containing the soft pack cell turning nickel lug, it is characterized in that, an aluminium pole ears portion part for described aluminium-to-nickel lug is embedded in battery core body, and another part is coated in tab.
7. as claimed in claim 1 containing the soft pack cell turning nickel lug, it is characterized in that, one end that described battery core body is installing lug has closedtop limit, the margin on described closedtop limit is less than or equal to 3 millimeters, and described nickel lug portion and aluminium pole ears portion are linked into an integrated entity by bikini laser welding in switching place.
8. as claimed in claim 1 containing the soft pack cell turning nickel lug, it is characterized in that, one end that described battery core body is installing lug has closedtop limit, the margin on described closedtop limit is more than 3 millimeters, and described nickel lug portion and aluminium pole ears portion are linked into an integrated entity by four-point laser welding in switching place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572273.3U CN205092285U (en) | 2015-07-31 | 2015-07-31 | Contain electric core of soft package that changes nickel utmost point ear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572273.3U CN205092285U (en) | 2015-07-31 | 2015-07-31 | Contain electric core of soft package that changes nickel utmost point ear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092285U true CN205092285U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520572273.3U Expired - Fee Related CN205092285U (en) | 2015-07-31 | 2015-07-31 | Contain electric core of soft package that changes nickel utmost point ear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092285U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531950A (en) * | 2016-11-24 | 2017-03-22 | 曙鹏科技（深圳）有限公司 | Aluminum-to-nickel positive electrode tab, preparation method of aluminum-to-nickel positive electrode tab and cell with aluminum-to-nickel positive electrode tab |
| CN108054333A (en) * | 2018-01-30 | 2018-05-18 | 东莞市先诺电子材料有限公司 | A kind of folding-free battery pole ear and its manufacture craft |
| CN110190244A (en) * | 2019-06-04 | 2019-08-30 | 连云港德立信电子科技有限公司 | Flexible-packed battery tab and heat pressing forming device for the tab |
| CN110620257A (en) * | 2019-09-19 | 2019-12-27 | 新余英泰能科技有限公司 | Manufacturing method for preventing positive ear from being broken of battery of Bluetooth headset |
-
2015
- 2015-07-31 CN CN201520572273.3U patent/CN205092285U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531950A (en) * | 2016-11-24 | 2017-03-22 | 曙鹏科技（深圳）有限公司 | Aluminum-to-nickel positive electrode tab, preparation method of aluminum-to-nickel positive electrode tab and cell with aluminum-to-nickel positive electrode tab |
| CN108054333A (en) * | 2018-01-30 | 2018-05-18 | 东莞市先诺电子材料有限公司 | A kind of folding-free battery pole ear and its manufacture craft |
| CN110190244A (en) * | 2019-06-04 | 2019-08-30 | 连云港德立信电子科技有限公司 | Flexible-packed battery tab and heat pressing forming device for the tab |
| CN110190244B (en) * | 2019-06-04 | 2023-11-03 | 安徽晓球新材料科技有限公司 | Flexible package battery tab and hot press forming device for tab |
| CN110620257A (en) * | 2019-09-19 | 2019-12-27 | 新余英泰能科技有限公司 | Manufacturing method for preventing positive ear from being broken of battery of Bluetooth headset |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160316 Termination date: 20180731 |