CN206003852U - A kind of lithium ion battery - Google Patents

A kind of lithium ion battery Download PDF

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Publication number
CN206003852U
CN206003852U CN201620932976.7U CN201620932976U CN206003852U CN 206003852 U CN206003852 U CN 206003852U CN 201620932976 U CN201620932976 U CN 201620932976U CN 206003852 U CN206003852 U CN 206003852U
Authority
CN
China
Prior art keywords
lithium ion
cover board
ion battery
battery
board arrangement
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
CN201620932976.7U
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Chinese (zh)
Inventor
郑东
辛亚军
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.)
Huizhou Yuan Electronic Technology Co Ltd
Original Assignee
Huizhou Yuan Electronic Technology 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 Huizhou Yuan Electronic Technology Co Ltd filed Critical Huizhou Yuan Electronic Technology Co Ltd
Priority to CN201620932976.7U priority Critical patent/CN206003852U/en
Application granted granted Critical
Publication of CN206003852U publication Critical patent/CN206003852U/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

This utility model is related to a kind of lithium ion battery, and it includes battery container, and the inside of battery container is sequentially provided with battery core, spacer ring, cover board arrangement and protection board from the bottom to top, and cover board arrangement is electrically connected with the lug of battery core, and protection board is electrically connected with cover board arrangement;And the surface of cover board arrangement is provided with protective filmy layer.This utility model improves the structure of lithium ion battery, coats layer protecting film in the outer surface of protection board, is reasonably resistant to the corrosion to cover board arrangement for the battery core leakage, it is to avoid cause the generation of security incident because of battery core leakage.And, this utility model also improves the structure of cover board arrangement, solve staff and pull, during assembling lithium ion battery, the nickel sheet dragging cover board arrangement, thus leading to the situation of nickel sheet displacement to occur.

Description

A kind of lithium ion battery
Technical field
This utility model is related to cell art, in particular it relates to a kind of lithium ion battery.
Background technology
Lithium ion battery be a class by lithium metal or lithium alloy be negative material, the battery using non-aqueous electrolytic solution, It is divided into polymer Li-ion battery and two kinds of liquid lithium ionic cell.Liquid lithium ionic cell is as a kind of high efficient energy sources carrier It is widely used in communication, electron trade, particularly mobile phone industry.In recent years, the developing rapidly, to liquid of mobile communication industry The capacity of lithium ion battery, volume, weight, chemical property and security performance have higher requirement.
At present, existing liquid lithium ionic cell in use, leads to blast on fire etc. pernicious because of battery core leakage Event repeatedly occurs, and causes significant damage to public security.This explosion accident on fire is mainly because that battery core leakage is corroded The PCB of battery cover plate device and lead to blast on fire.And, existing liquid lithium ionic cell is in process of production, Production process is complicated, and staff, during assembling battery core with cover board arrangement, often pulls the nickel sheet dragging cover board arrangement, thus leading Nickel sheet displacement is caused to cause the internal short-circuit of liquid lithium ionic cell, thus leaving potential safety hazard.
Utility model content
For deficiency of the prior art, the purpose of this utility model is to provide a kind of lithium ion battery.
For solving the above problems, this utility model discloses a kind of lithium ion battery, and it includes battery container, battery container Inside be sequentially provided with battery core, spacer ring, cover board arrangement and protection board from the bottom to top, cover board arrangement is electrically connected with the pole of battery core Ear, protection board is electrically connected with cover board arrangement;And the surface of protection board is provided with protective filmy layer.
According to an embodiment of the application, above-mentioned battery container is aluminum enclosure.
According to an embodiment of the application, above-mentioned protecting film is the no shadow glue being coated on protection plate surface.
According to an embodiment of the application, above-mentioned cover board arrangement includes aluminium sheet, rivet and nickel sheet, and aluminium sheet connects battery core Anode ear and the positive pole of protection board, rivet is arranged at aluminium sheet, and connects the negative pole of protection board, and nickel sheet is sheathed on rivet, and is located at The side of aluminium sheet, nickel sheet connects the negative electrode lug of battery core.
According to an embodiment of the application, above-mentioned rivet is stainless steel rivet.
According to an embodiment of the application, above-mentioned cover board arrangement also includes two insulating barriers, in two insulating barriers Individual insulating barrier is located between aluminium sheet and rivet, and another insulating barrier in two insulating barriers is located between aluminium sheet and nickel sheet.
According to an embodiment of the application, above-mentioned two insulating barriers are resin insulating barrier.
Compared with prior art, this utility model can obtain including following technique effect:
This utility model improves the structure of lithium ion battery, coats layer protecting film in the outer surface of protection board, effectively The opposing corrosion to cover board arrangement for the battery core leakage, it is to avoid cause the generation of security incident because of battery core leakage.And, this practicality is new Type also improves the structure of cover board arrangement, solves staff and pulls, during assembling lithium ion battery, the nickel dragging cover board arrangement Piece, thus lead to the situation of nickel sheet displacement to occur.
Brief description
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen Schematic description and description please is used for explaining the application, does not constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the schematic diagram of the lithium ion battery of the application one embodiment.
Specific embodiment
Multiple embodiments of the application will be disclosed with schema below, as clearly stated, details in many practices Will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also It is to say, in some embodiments of the application, the details in these practices is non-essential.Additionally, for the sake of simplifying schema, Some known usual structures and assembly will illustrate it in the drawings in the way of simply illustrative.
With regard to its " first " used herein, " second " etc., not especially censure the meaning of order or cis-position, also non-use To limit this utility model, it is used for the purpose of difference with the constructed assembly for description or operation.
Refer to Fig. 1, it is the schematic diagram of the lithium ion battery 1 of the application one embodiment.As illustrated, this utility model It is related to a kind of lithium ion battery 1, lithium ion battery 1 includes battery container 11.The inside of battery container 11 sequentially sets from the bottom to top It is equipped with battery core 12, spacer ring 13, cover board arrangement 14 and protection board 15, cover board arrangement 14 is electrically connected with the lug of battery core 12, protection board 15 electric connection cover board arrangements 14.The surface of protection board 15 is provided with protective filmy layer 151.During concrete application, above-mentioned battery Housing 11 is aluminum enclosure, and certain battery container 11 is alternatively the housing of other materials, repeats no more in this.
Wherein in a preferred version, protecting film 151 is the no shadow glue being coated on protection board 15 surface.In practical application In, there is corrosion phenomenon for the IC pin on the pcb board of protection board 15 and tin welding spot in the electrolyte solution of lithium ion battery 1, And, As time goes on, this corrosion phenomenon is increasingly severe, thus causing lithium ion battery 1 blast on fire.No shadow glue There is outstanding waterproof and Corrosion Protection, the electrolyte solution of lithium ion battery 1 can not produce corrosion phenomenon to no shadow glue, therefore No shadow glue can protect IC pin and the tin welding spot on the pcb board of protection board 15 effectively.
Wherein in a preferred version, cover board arrangement 14 includes aluminium sheet 141, rivet 142 and nickel sheet 143, and aluminium sheet 141 is electrical Connect the anode ear of battery core 12 and the positive pole of protection board 15.Rivet 142 is arranged at aluminium sheet 141, and connects the negative pole of protection board 15. Nickel sheet 143 is sheathed on rivet 142, and the side positioned at aluminium sheet 141, and nickel sheet 143 connects the negative electrode lug of battery core 12.Nickel sheet 143 is used Rivet 142 is fixed on aluminium sheet 141, can be effectively prevented staff during assembling lithium ion battery 1, pull and drag cover plate dress Put 14 nickel sheet 143, thus causing the situation of nickel sheet 143 displacement to occur.
Wherein in a preferred version, above-mentioned rivet 142 is stainless steel rivet.Stainless steel rivet has outstanding anti-corrosion Corrosion energy, can prevent electrolyte solution from rivet 142 is corroded, and certain rivet 142 is alternatively the rivet of other materials, in this not Repeat again.
Wherein in a preferred version, above-mentioned cover board arrangement 14 also includes two insulating barriers 144, in two insulating barriers 144 An insulating barrier 144 be located between aluminium sheet 141 and rivet 142, another insulating barrier 144 in two insulating barriers 144 is located at aluminum Between plate 141 and nickel sheet 143.During concrete application, two insulating barriers 144 are resin insulating barrier.Resin has outstanding insulating properties, Using resin as two insulating barriers 144, can effectively isolate aluminium sheet 141 and contact with rivet 142 and nickel sheet 143 respectively, thus The situation causing lithium ion battery 1 short circuit occurs.
In sum, in one or more embodiments of the present utility model, this utility model improves the knot of lithium ion battery Structure, coats layer protecting film in the outer surface of protection board, is reasonably resistant to the corrosion to cover board arrangement for the battery core leakage, it is to avoid because of electricity Core leakage and cause the generation of security incident.And, this utility model also improves the structure of cover board arrangement, solve staff Pull, during assembling lithium ion battery, the nickel sheet dragging cover board arrangement, thus leading to the situation of nickel sheet displacement to occur.
Described above illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned it should be understood that this Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for various Other combinations, modification and environment, and can be in utility model contemplated scope described herein, by above-mentioned teaching or association area Technology or knowledge be modified.And the change that those skilled in the art are carried out and change are without departing from spirit of the present utility model and model Enclose, then all should be in the protection domain of this utility model claims.

Claims (7)

1. a kind of lithium ion battery is it is characterised in that include battery container, the inside of described battery container sequentially sets from the bottom to top It is equipped with battery core, spacer ring, cover board arrangement and protection board, described cover board arrangement is electrically connected with the lug of described battery core, described protection board It is electrically connected with described cover board arrangement;And the surface of described protection board is provided with protective filmy layer.
2. lithium ion battery as claimed in claim 1 is it is characterised in that described battery container is aluminum enclosure.
3. lithium ion battery as claimed in claim 1 is it is characterised in that described protecting film is the nothing being coated on protection plate surface Shadow glue.
4. lithium ion battery as claimed in claim 1 is it is characterised in that described cover board arrangement includes aluminium sheet, rivet and nickel sheet, Described aluminium sheet connects the anode ear of described battery core and the positive pole of described protection board, and described rivet is arranged at described aluminium sheet, and connects The negative pole of described protection board, described nickel sheet is sheathed on described rivet, and the side positioned at described aluminium sheet, and described nickel sheet connects described The negative electrode lug of battery core.
5. lithium ion battery as claimed in claim 4 is it is characterised in that described rivet is stainless steel rivet.
6. lithium ion battery as claimed in claim 4 is it is characterised in that described cover board arrangement also includes two insulating barriers, institute State one of two insulating barriers insulating barrier and be located at another insulating barrier between described aluminium sheet and rivet, in described two insulating barriers Positioned between described aluminium sheet and nickel sheet.
7. lithium ion battery as claimed in claim 6 is it is characterised in that described two insulating barriers are resin insulating barrier.
CN201620932976.7U 2016-08-24 2016-08-24 A kind of lithium ion battery Expired - Fee Related CN206003852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620932976.7U CN206003852U (en) 2016-08-24 2016-08-24 A kind of lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620932976.7U CN206003852U (en) 2016-08-24 2016-08-24 A kind of lithium ion battery

Publications (1)

Publication Number Publication Date
CN206003852U true CN206003852U (en) 2017-03-08

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Family Applications (1)

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CN201620932976.7U Expired - Fee Related CN206003852U (en) 2016-08-24 2016-08-24 A kind of lithium ion battery

Country Status (1)

Country Link
CN (1) CN206003852U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188677A (en) * 2021-12-13 2022-03-15 珠海冠宇电池股份有限公司 Switch element, battery and manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188677A (en) * 2021-12-13 2022-03-15 珠海冠宇电池股份有限公司 Switch element, battery and manufacturing method

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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

Granted publication date: 20170308

Termination date: 20200824

CF01 Termination of patent right due to non-payment of annual fee