CN204966577U - Take polymer battery of fillet utmost point ear - Google Patents

Take polymer battery of fillet utmost point ear Download PDF

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Publication number
CN204966577U
CN204966577U CN201520568843.1U CN201520568843U CN204966577U CN 204966577 U CN204966577 U CN 204966577U CN 201520568843 U CN201520568843 U CN 201520568843U CN 204966577 U CN204966577 U CN 204966577U
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CN
China
Prior art keywords
negative
ear
nickel strap
pole
pole piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520568843.1U
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Chinese (zh)
Inventor
张习林
许朝勇
吴倩明
严昌松
林道岳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Sanhe Chaoyang Science and Technology Co., Ltd.
Original Assignee
Sunhe Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sunhe Energy Co Ltd filed Critical Sunhe Energy Co Ltd
Priority to CN201520568843.1U priority Critical patent/CN204966577U/en
Application granted granted Critical
Publication of CN204966577U publication Critical patent/CN204966577U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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 take polymer battery of fillet utmost point ear, including positive plate, negative pole piece, barrier film, anodal ear and negative pole ear, positive plate and negative pole piece are separated through the barrier film, the positive pole ear is followed positive plate width direction and is welded on the positive plate, and the one end of anodal ear contacts with a long limit marginal facies of positive plate, and just the other end of anodal ear stretches out another length limit edge of positive plate, the negative pole ear along the welding of negative pole piece width direction on the negative pole piece, a long limit marginal facies contact of the one end of negative pole ear and negative pole piece, and the other end of negative pole ear stretches out another long limit edge of negative pole piece, anodal ear stretches out the tip of positive plate and tip that the negative pole ear stretches out the negative pole piece is slick and sly semi -circular protruding shape. The utility model discloses a security performance of battery has been guaranteed in the danger that take polymer battery of fillet utmost point ear had avoided battery tab to impale battery case with battery case when contacting, has improved the production quality of battery.

Description

With the polymer battery of fillet lug
Technical field
The utility model relates to the technical field of polymer battery, particularly relates to a kind of polymer battery with fillet lug.
Background technology
At present, lithium ion battery have energy high, have extended cycle life, the advantage such as self discharge is little, not only on a portable electronic device as mobile phone, Digital Video and laptop computer are used widely, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, therefore require more and more higher to the up-to-standard rate of lithium ion battery.
For lithium ion polymer battery wherein, it is also widely used in all kinds of electron trade, such as bluetooth earphone internal battery, battery of mobile phone and Notebook Battery, and client has quite strict requirement for the outward appearance of battery.
Traditional polymer battery lug exit all adopts rectangular shaped, positive pole aluminium strip after all needing to carry out folding lug mode after turning nickel again soldering receive on PCB baffle.
And existing battery is difficult to accomplish not contact with each other in process of production.Because lug is rectangular shaped, square edge is sharper, right angle lug very easily scratches or punctures cell aluminum-plastic membrane shell in process of production, particularly, when the negative electrode lug of battery, as nickel lug and battery mould shell housing contact time, negative electrode lug easily pierces through battery container, causes the battery failure leakage flowing into client, has had a strong impact on the security performance of battery, reduce the quality of production of battery, bring adverse influence to the prestige on quality of battery manufacturers.Meanwhile, positive pole aluminium strip all needs after turning nickel manually to roll over lug, and could soldering receive on PCB baffle after being converted into " Z " font, production efficiency be low.
Therefore, at present in the urgent need to developing battery, it is simple to operation; can prevent battery pole ear from piercing through battery container when contacting with battery container, available protecting is carried out to battery container, ensure the security performance of battery; improve the quality of production of battery, the product use sense strengthening user is subject to.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides the polymer battery of the band fillet lug that a kind of structure is simple, security performance is good.
In order to achieve the above object, a kind of polymer battery with fillet lug of the utility model, comprise positive plate, negative plate, barrier film, anode ear and negative electrode lug, described positive plate and negative plate are separated by barrier film; Described anode ear is welded on positive plate along positive plate Width, and one end of described anode ear and one of positive plate long limit side edge are touched, and the other end of anode ear stretches out another edge, long limit of positive plate; Described negative electrode lug is welded on negative plate along negative plate Width, and one end of described negative electrode lug and one of negative plate long limit side edge are touched, and the other end of negative electrode lug stretches out another edge, long limit of negative plate; Described anode ear stretches out the end that the end of positive plate and negative electrode lug stretch out negative plate and is round and smooth half-round convex form.
Wherein, described anode ear comprises positive pole nickel strap and pole piece aluminium strip, and described pole piece aluminium strip is welded on positive plate, and described positive pole nickel strap stretches out positive plate, described positive pole nickel strap with turn nickel phase of solder joint by laser between pole piece aluminium strip and be connected, the width of described positive pole nickel strap is identical with the width of pole piece aluminium strip.
Wherein, described negative electrode lug comprises negative pole nickel strap and pole piece nickel strap, and described pole piece nickel strap is welded on negative plate, and described negative pole nickel strap stretches out negative plate, described pole piece nickel strap and negative pole nickel strap are formed in one banded structure, and the width of described negative pole nickel strap is identical with the width of pole piece nickel strap.
Wherein, this battery also comprises positive pole ear glue and negative lug glue, described positive pole ear glue to be coated on pole piece aluminium strip and with turn nickel phase of solder joint and contact, described negative lug glue to be coated on pole piece nickel strap and to contact with negative pole nickel strap, and described positive pole ear glue and negative lug glue are high-temperature insulation material.
Wherein, this battery also comprises aluminum plastic membrane shell, described positive plate, negative plate and barrier film fixing wound become block battery core body, described aluminum plastic membrane shell is wrapped in battery core body outer surface, positive pole nickel strap on described anode ear and the negative pole nickel strap on negative electrode lug stretch out from aluminum plastic membrane shell, described positive pole ear glue and a negative lug glue part are contained in aluminum plastic membrane shell, and another part is exposed outside aluminum plastic membrane shell.
The beneficial effects of the utility model are:
Compared with prior art, the polymer battery of band fillet lug of the present utility model, the end of being stretched out negative plate by the end and negative electrode lug of anode ear being stretched out positive plate is all set to round and smooth half-round convex form, thus under the prerequisite not affecting battery performance, avoid battery pole ear pierces through battery container danger when contacting with battery container, ensure that the security performance of battery, improve the quality of production of battery.The utility model structure is simple, is easy to realize, and coefficient of safety is high, is suitable for being widely applied in actual production process.
Accompanying drawing explanation
Fig. 1 is the front view of the positive plate of the polymer battery of the utility model band fillet lug;
Fig. 2 is the front view of the negative plate of the polymer battery of the utility model band fillet lug.
Main element symbol description is as follows:
10, positive plate 11, negative plate
12, anode ear 13, negative electrode lug
14, positive pole ear glue 15, negative lug glue
16, nickel solder joint 121, positive pole nickel strap is turned
122, pole piece aluminium strip 131, negative pole nickel strap
132, pole piece nickel strap.
Embodiment
In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Consult Fig. 1-2, a kind of polymer battery with fillet lug of the utility model, comprises positive plate 10, negative plate 11, barrier film, anode ear 12 and negative electrode lug 13, and positive plate 10 and negative plate 11 are separated by barrier film; Anode ear 12 is welded on positive plate 10 along positive plate 10 Width, and one end of anode ear 12 and a long limit side edge of positive plate 10 are touched, and the other end of anode ear 12 stretches out another edge, long limit of positive plate 10; Negative electrode lug 13 is welded on negative plate 11 along negative plate 11 Width, and one end of negative electrode lug 13 and a long limit side edge of negative plate 11 are touched, and the other end of negative electrode lug 13 stretches out another edge, long limit of negative plate 11; Anode ear 12 stretches out the end that the end of positive plate 10 and negative electrode lug 13 stretch out negative plate 11 and is round and smooth half-round convex form.
Compared to prior art, the polymer battery of band fillet lug of the present utility model, the end of being stretched out negative plate 11 by the end and negative electrode lug 13 of anode ear 12 being stretched out positive plate 10 is all set to round and smooth half-round convex form, thus under the prerequisite not affecting capacity performance, rate charge-discharge, avoid battery pole ear pierces through battery container danger when contacting with battery container.Ensure that the security performance of battery, improve the quality of production of battery.The utility model structure is simple, is easy to realize, and coefficient of safety is high, is suitable for being widely applied in actual production process.
In the present embodiment, anode ear 12 comprises positive pole nickel strap 121 and pole piece aluminium strip 122, pole piece aluminium strip 122 is welded on positive plate 10, positive pole nickel strap 121 stretches out positive plate 10, turn nickel solder joint 16 by laser between positive pole nickel strap 121 with pole piece aluminium strip 122 to be connected, the width of positive pole nickel strap 121 is identical with the width of pole piece aluminium strip 122.Negative electrode lug 13 comprises negative pole nickel strap 131 and pole piece nickel strap 132, pole piece nickel strap 132 is welded on negative plate 11, negative pole nickel strap 131 stretches out negative plate 11, and pole piece nickel strap 132 and negative pole nickel strap 131 are formed in one banded structure, and the width of negative pole nickel strap 131 is identical with the width of pole piece nickel strap 132.Turn nickel solder joint 16 by laser positive pole nickel strap 121 is connected with pole piece aluminium strip 122, thus to avoid at welding PCB baffle be the problem that the aluminium strip on positive pole can not merge very well with tin.
In the present embodiment, this battery also comprises positive pole ear glue 14 and negative lug glue 15, positive pole ear glue 14 to be coated on pole piece aluminium strip 122 and with turn nickel solder joint 16 and contact, negative lug glue 15 to be coated on pole piece nickel strap 132 and to contact with negative pole nickel strap 131, and positive pole ear glue 14 and negative lug glue 15 are high-temperature insulation material.By by positive pole ear glue 14 with turn nickel solder joint 16 and contact, thus decrease the complicated procedures of forming all needing manually to be converted into " Z " font after positive pole aluminium strip turns nickel.Positive pole nickel strap 121 keeps 0.5 ± 0.2mm with the distance of positive pole ear glue 14.
In the present embodiment, this battery also comprises aluminum plastic membrane shell, positive plate 10, negative plate 11 and barrier film fixing wound become block battery core body, aluminum plastic membrane shell is wrapped in battery core body outer surface, positive pole nickel strap 121 on anode ear 12 and the negative pole nickel strap 131 on negative electrode lug 13 stretch out from aluminum plastic membrane shell, positive pole ear glue 14 and negative lug glue 15 part are contained in aluminum plastic membrane shell, and another part is exposed outside aluminum plastic membrane shell.Anode ear 12 is separated with battery core body part with negative electrode lug 13 with negative lug glue 15 by positive pole ear glue 14, avoids spilling of battery fluid.
Advantage of the present utility model is:
1, by by positive pole ear glue 14 with turn nickel solder joint 16 and contact, thus decrease the complicated procedures of forming all needing manually to be converted into " Z " font after positive pole aluminium strip turns nickel;
2, anode ear 12 is separated with battery core body part with negative electrode lug 13 with negative lug glue 15 by positive pole ear glue 14, avoids spilling of battery fluid.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.

Claims (5)

1. the polymer battery with fillet lug, is characterized in that, comprises positive plate, negative plate, barrier film, anode ear and negative electrode lug, and described positive plate and negative plate are separated by barrier film; Described anode ear is welded on positive plate along positive plate Width, and one end of described anode ear and one of positive plate long limit side edge are touched, and the other end of anode ear stretches out another edge, long limit of positive plate; Described negative electrode lug is welded on negative plate along negative plate Width, and one end of described negative electrode lug and one of negative plate long limit side edge are touched, and the other end of negative electrode lug stretches out another edge, long limit of negative plate; Described anode ear stretches out the end that the end of positive plate and negative electrode lug stretch out negative plate and is round and smooth half-round convex form.
2. the polymer battery of band fillet lug according to claim 1, it is characterized in that, described anode ear comprises positive pole nickel strap and pole piece aluminium strip, described pole piece aluminium strip is welded on positive plate, described positive pole nickel strap stretches out positive plate, described positive pole nickel strap with turn nickel phase of solder joint by laser between pole piece aluminium strip and be connected, the width of described positive pole nickel strap is identical with the width of pole piece aluminium strip.
3. the polymer battery of band fillet lug according to claim 2, it is characterized in that, described negative electrode lug comprises negative pole nickel strap and pole piece nickel strap, described pole piece nickel strap is welded on negative plate, described negative pole nickel strap stretches out negative plate, described pole piece nickel strap and negative pole nickel strap are formed in one banded structure, and the width of described negative pole nickel strap is identical with the width of pole piece nickel strap.
4. the polymer battery of band fillet lug according to claim 3, it is characterized in that, this battery also comprises positive pole ear glue and negative lug glue, described positive pole ear glue to be coated on pole piece aluminium strip and with turn nickel phase of solder joint and contact, described negative lug glue to be coated on pole piece nickel strap and to contact with negative pole nickel strap, and described positive pole ear glue and negative lug glue are corrosion-and high-temp-resistant isolation material.
5. the polymer battery of band fillet lug according to claim 4, it is characterized in that, this battery also comprises aluminum plastic membrane shell, described positive plate, negative plate and barrier film fixing wound squarely battery core body, described aluminum plastic membrane shell is wrapped in battery core body outer surface, positive pole nickel strap on described anode ear and the negative pole nickel strap on negative electrode lug stretch out from aluminum plastic membrane shell, described positive pole ear glue and a negative lug glue part are contained in aluminum plastic membrane shell, and another part is exposed outside aluminum plastic membrane shell.
CN201520568843.1U 2015-08-01 2015-08-01 Take polymer battery of fillet utmost point ear Expired - Fee Related CN204966577U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107919444A (en) * 2017-12-05 2018-04-17 中航锂电(洛阳)有限公司 Battery and its lug sheet body, the battery modules using the battery
CN107919455A (en) * 2017-12-05 2018-04-17 中航锂电(洛阳)有限公司 Battery and its lug, the battery modules using the battery
CN108963176A (en) * 2018-08-01 2018-12-07 广州鹏辉能源科技股份有限公司 Lithium Fe battery positive pole ear and lithium Fe battery
CN110730402A (en) * 2019-09-06 2020-01-24 华为技术有限公司 Earphone set
CN113066957A (en) * 2021-03-18 2021-07-02 珠海冠宇电池股份有限公司 Battery with a battery cell

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107919444A (en) * 2017-12-05 2018-04-17 中航锂电(洛阳)有限公司 Battery and its lug sheet body, the battery modules using the battery
CN107919455A (en) * 2017-12-05 2018-04-17 中航锂电(洛阳)有限公司 Battery and its lug, the battery modules using the battery
CN107919444B (en) * 2017-12-05 2020-12-01 中航锂电(洛阳)有限公司 Battery, tab sheet body thereof and battery module using battery
CN108963176A (en) * 2018-08-01 2018-12-07 广州鹏辉能源科技股份有限公司 Lithium Fe battery positive pole ear and lithium Fe battery
CN110730402A (en) * 2019-09-06 2020-01-24 华为技术有限公司 Earphone set
WO2021043243A1 (en) * 2019-09-06 2021-03-11 华为技术有限公司 Earphones
CN110730402B (en) * 2019-09-06 2021-05-18 华为技术有限公司 Earphone set
CN113066957A (en) * 2021-03-18 2021-07-02 珠海冠宇电池股份有限公司 Battery with a battery cell

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Sanhe Chaoyang Science and Technology Co., Ltd.

Address before: 518000 4th Floor of No. 44 Hengtang Road, Shijing Community, Pingshan Office, Pingshan New District, Shenzhen City, Guangdong Province

Patentee before: SUNHE ENERGY COMPANY LIMITED

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: 20160113

Termination date: 20190801