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CN106159174A - A kind of cylindrical lithium battery - Google Patents

A kind of cylindrical lithium battery Download PDF

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Publication number
CN106159174A
CN106159174A CN201510174808.6A CN201510174808A CN106159174A CN 106159174 A CN106159174 A CN 106159174A CN 201510174808 A CN201510174808 A CN 201510174808A CN 106159174 A CN106159174 A CN 106159174A
Authority
CN
China
Prior art keywords
negative
electrode collector
positive
conductive
lithium battery
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.)
Pending
Application number
CN201510174808.6A
Other languages
Chinese (zh)
Inventor
马伟华
颜雪冬
赵亚
毛德来
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.)
NINGBO VEKEN BATTERY CO Ltd
Original Assignee
NINGBO VEKEN BATTERY 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 NINGBO VEKEN BATTERY CO Ltd filed Critical NINGBO VEKEN BATTERY CO Ltd
Priority to CN201510174808.6A priority Critical patent/CN106159174A/en
Publication of CN106159174A publication Critical patent/CN106159174A/en
Pending legal-status Critical Current

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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)
  • Secondary Cells (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

nullThe present invention relates to lithium battery preparation field,Disclose a kind of cylindrical lithium battery,Including positive electrode collector 110、Positive conductive lug 120、Conductive plate 130、Felt pad 140、Positive pole fixes nut 150、Positive pole cover plate 160、Positive terminal 170、Conduction plug 210、Conductive core 180、Shell 220、Negative electrode collector 270、Negative conductive lug 260、Conductive plate 130、Felt pad 140、Negative pole fixes nut 240、Negative pole cover plate 250、Negative terminal 230,Described shell 220 wraps up described conductive core 180,Center is conduction plug 210,Described conduction plug 210 both ends of the surface are respectively described positive electrode collector 110 and negative electrode collector 270,The outside of described positive electrode collector 110 and negative electrode collector 270 is conductive plate 130,Described positive pole cover plate 160 and described negative pole cover plate 250 are by felt pad 140,The conductive plate 130 of both sides is sealed.Designed and positive terminal 170, the deriving structure of negative terminal 230 by the end face of lithium battery, it is achieved that the end face weld of lithium dynamical battery.

Description

A kind of cylindrical lithium battery
Technical field
The present invention relates to lithium battery preparation field, particularly relate to a kind of cylindrical lithium battery.
Background technology
Along with the universal of mobile terminal device and development.Lithium battery large-capacity high-power performance increasingly receives publicity. All the time, due to current collection problem, lithium electricity industry the most all thinks that low capacity conventional batteries uses roundlet column type technique Producing, high power capacity or high-power battery use square lamination process to produce.
It is known that the positive and negative electrode skeleton of lithium battery pole slice is Copper Foil and aluminium foil, thickness all only has 20 microns, The thinnest metal forming is widely considered to be in the industry and cannot use end face weld technique.So up to now, round Cylindrical lithium battery all uses monopole ear current collection, and the lithium battery of power type uses multi pole ears current collection, subsequently high power, super The lithium dynamical battery of high power capacity, occurs in that again square laminated type technique.Although lithium dynamical battery lamination process solves Some problems, but its complex process, the die-cut section of pole piece is more, easily pierces through barrier film and causes short circuit, or produces negative anti- Should, mechanization is not easily accomplished, and equipment investment is big, and production efficiency is low.
When prior art is assembled, no matter it is cylindrical or square, is all to use monopole ear or multipole Ear Current Collecting Methods, not only efficiency is low, and battery quality is the highest.The most whether multi pole ears mode still uses The current collection effect that the Current Collecting Methods high power performance of laminated type is the most far away and upper surface is not welded.Although end face weld technology exists Also there is application on the conventional motive-power battery such as Ni-MH battery, nickel-cadmium cell, but its technique and collector body all cannot be direct Apply in lithium dynamical battery field.The restraining factors one of most critical are the Copper Foils that the pole piece positive and negative electrode of battery is the thinnest Cannot process with aluminium foil skeleton, two is the collector body not being suitable for lithium battery end face weld.
Summary of the invention
The present invention provides a kind of cylindrical lithium battery, solves lithium dynamical battery in prior art and cannot be carried out end face weld Technical problem.
It is an object of the invention to be achieved through the following technical solutions:
A kind of cylindrical lithium battery, including positive electrode collector 110, positive conductive lug 120, conductive plate 130, Felt pad 140, positive pole fix nut 150, positive pole cover plate 160, positive terminal 170, conduction plug 210, Conductive core 180, shell 220, negative electrode collector 270, negative conductive lug 260, conductive plate 130, insulation Pad 140, negative pole fix nut 240, negative pole cover plate 250, negative terminal 230, and described shell 220 wraps up institute Stating conductive core 180, center is conduction plug 210, and described conduction plug 210 both ends of the surface are respectively described positive pole Collector body 110 and negative electrode collector 270, the outside of described positive electrode collector 110 and negative electrode collector 270 is Conductive plate 130, described positive pole cover plate 160 and described negative pole cover plate 250 are by felt pad 140, to both sides Conductive plate 130 seals, and described positive terminal 170 is fixed nut 150 by positive pole and is fixed on outside lithium battery Side end face, described negative terminal 230 is fixed nut 240 by negative pole and is fixed on lithium battery end face outside.
A kind of cylindrical lithium battery provided by the present invention, including positive electrode collector 110, positive conductive lug 120, Conductive plate 130, felt pad 140, positive pole are fixed nut 150, positive pole cover plate 160, positive terminal 170, are led Battery cell bar 210, conductive core 180, shell 220, negative electrode collector 270, negative conductive lug 260, conduction Dish 130, felt pad 140, negative pole fix nut 240, negative pole cover plate 250, negative terminal 230, described outside Shell 220 wraps up described conductive core 180, and center is conduction plug 210, and described conduction plug 210 both ends of the surface are divided Not Wei described positive electrode collector 110 and negative electrode collector 270, described positive electrode collector 110 and negative electrode collector The outside of 270 is conductive plate 130, and described positive pole cover plate 160 and described negative pole cover plate 250 pass through felt pad 140, Sealing the conductive plate 130 of both sides, described positive terminal 170 is fixed nut 150 by positive pole and is fixed on Lithium battery end face outside, described negative terminal 230 is fixed nut 240 by negative pole and is fixed on lithium battery outboard end Face.Designed and positive terminal 170, the deriving structure of negative terminal 230 by the end face of lithium battery, it is achieved that lithium The end face weld of electrokinetic cell.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be in embodiment The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention's Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawing can be obtained according to these accompanying drawings.
The structural representation of the lithium battery that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and specifically The present invention is further detailed explanation for embodiment.
As it is shown in figure 1, be the structural representation of a kind of cylindrical lithium battery, including positive electrode collector 110, positive pole Conduction lug 120, conductive plate 130, felt pad 140, positive pole fix nut 150, positive pole cover plate 160, just Extreme son 170, conduction plug 210, conductive core 180, shell 220, negative electrode collector 270, negative conductive Lug 260, conductive plate 130, felt pad 140, negative pole fix nut 240, negative pole cover plate 250, negative pole end Son 230, described shell 220 wraps up described conductive core 180, and center is conduction plug 210, described conduction plug 210 both ends of the surface are respectively described positive electrode collector 110 and negative electrode collector 270, described positive electrode collector 110 It is conductive plate 130 with the outside of negative electrode collector 270, described positive pole cover plate 160 and described negative pole cover plate 250 By felt pad 140, sealing the conductive plate 130 of both sides, described positive terminal 170 is solid by positive pole Determining nut 150 and be fixed on lithium battery end face outside, it is solid that described negative terminal 230 fixes nut 240 by negative pole Due to lithium battery end face outside.
Wherein, described conductive core 180 is respectively arranged at two ends with one for limiting described conductive core 180 axial float Crimping sealing ring.
Described shell 220 is respectively arranged at two ends with battery case, and the recess of said two battery case is just being pressed in respectively On electrode current collector 110 and negative electrode collector 270.
A kind of cylindrical lithium battery provided by the present invention, including positive electrode collector 110, positive conductive lug 120, Conductive plate 130, felt pad 140, positive pole are fixed nut 150, positive pole cover plate 160, positive terminal 170, are led Battery cell bar 210, conductive core 180, shell 220, negative electrode collector 270, negative conductive lug 260, conduction Dish 130, felt pad 140, negative pole fix nut 240, negative pole cover plate 250, negative terminal 230, described outside Shell 220 wraps up described conductive core 180, and center is conduction plug 210, and described conduction plug 210 both ends of the surface are divided Not Wei described positive electrode collector 110 and negative electrode collector 270, described positive electrode collector 110 and negative electrode collector The outside of 270 is conductive plate 130, and described positive pole cover plate 160 and described negative pole cover plate 250 pass through felt pad 140, Sealing the conductive plate 130 of both sides, described positive terminal 170 is fixed nut 150 by positive pole and is fixed on Lithium battery end face outside, described negative terminal 230 is fixed nut 240 by negative pole and is fixed on lithium battery outboard end Face.Designed and positive terminal 170, the deriving structure of negative terminal 230 by the end face of lithium battery, it is achieved that lithium The end face weld of electrokinetic cell.
Being described in detail the present invention above, specific case used herein is to the principle of the present invention and reality The mode of executing is set forth, and the explanation of above example is only intended to help to understand method and the core thereof of the present invention Thought;Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in detailed description of the invention And all will change in range of application, in sum, this specification content should not be construed as the present invention's Limit.

Claims (3)

1. a cylindrical lithium battery, it is characterised in that include positive electrode collector (110), positive conductive lug (120), Conductive plate (130), felt pad (140), positive pole fix nut (150), positive pole cover plate (160), positive terminal (170), Conduction plug (210), conductive core (180), shell (220), negative electrode collector (270), negative conductive lug (260), Conductive plate (130), felt pad (140), negative pole fix nut (240), negative pole cover plate (250), negative terminal (230), Described shell (220) wraps up described conductive core (180), and center is conduction plug (210), described conduction plug (210) Both ends of the surface are respectively described positive electrode collector (110) and negative electrode collector (270), described positive electrode collector (110) It is conductive plate (130) with the outside of negative electrode collector (270), described positive pole cover plate (160) and described negative cover Plate (250) passes through felt pad (140), seals the conductive plate (130) of both sides, described positive terminal (170) Fixing nut (150) by positive pole and be fixed on lithium battery end face outside, described negative terminal (230) passes through negative pole Fixing nut (240) is fixed on lithium battery end face outside.
Cylindrical lithium battery the most according to claim 1, it is characterised in that described conductive core (180) two End is respectively equipped with one for the crimping sealing ring limiting described conductive core (180) axial float.
Cylindrical lithium battery the most according to claim 1, it is characterised in that described shell (220) two ends It is respectively equipped with battery case, and the recess of said two battery case is pressed in positive electrode collector (110) and negative pole collection respectively On electricity body (270).
CN201510174808.6A 2015-04-14 2015-04-14 A kind of cylindrical lithium battery Pending CN106159174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510174808.6A CN106159174A (en) 2015-04-14 2015-04-14 A kind of cylindrical lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510174808.6A CN106159174A (en) 2015-04-14 2015-04-14 A kind of cylindrical lithium battery

Publications (1)

Publication Number Publication Date
CN106159174A true CN106159174A (en) 2016-11-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510174808.6A Pending CN106159174A (en) 2015-04-14 2015-04-14 A kind of cylindrical lithium battery

Country Status (1)

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CN (1) CN106159174A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110931879A (en) * 2019-11-18 2020-03-27 合肥国轩高科动力能源有限公司 Novel columnar lithium ion battery
CN111929351A (en) * 2020-09-14 2020-11-13 昆明云大新能源有限公司 A double-sealed multifunctional electrochemical test device and its assembly and use method
CN113381134A (en) * 2021-06-18 2021-09-10 陕西奥林波斯电力能源有限责任公司 Utmost point ear connection structure and large capacity battery of large capacity battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110931879A (en) * 2019-11-18 2020-03-27 合肥国轩高科动力能源有限公司 Novel columnar lithium ion battery
CN111929351A (en) * 2020-09-14 2020-11-13 昆明云大新能源有限公司 A double-sealed multifunctional electrochemical test device and its assembly and use method
CN113381134A (en) * 2021-06-18 2021-09-10 陕西奥林波斯电力能源有限责任公司 Utmost point ear connection structure and large capacity battery of large capacity battery

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PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161123

WD01 Invention patent application deemed withdrawn after publication