CN206210951U - A kind of lithium ion battery with three-dimensional nickel sheet - Google Patents

A kind of lithium ion battery with three-dimensional nickel sheet Download PDF

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Publication number
CN206210951U
CN206210951U CN201621277353.7U CN201621277353U CN206210951U CN 206210951 U CN206210951 U CN 206210951U CN 201621277353 U CN201621277353 U CN 201621277353U CN 206210951 U CN206210951 U CN 206210951U
Authority
CN
China
Prior art keywords
nickel sheet
pole contact
battery core
hole
protection board
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
CN201621277353.7U
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Chinese (zh)
Inventor
胥政
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 City Crown Battery Co Ltd
Original Assignee
Shenzhen City Crown 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 Shenzhen City Crown Battery Co Ltd filed Critical Shenzhen City Crown Battery Co Ltd
Priority to CN201621277353.7U priority Critical patent/CN206210951U/en
Application granted granted Critical
Publication of CN206210951U publication Critical patent/CN206210951U/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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model discloses a kind of lithium ion battery with three-dimensional nickel sheet; including battery core and protection board; the battery core is located at the side of protection board; the battery core is respectively arranged with the first positive pole contact and the first negative pole contact near the one side of protection board; the battery core is also bonded with two symmetrical cushion blocks near the one side of protection board; the first positive pole contact and the first negative pole contact are respectively positioned between two cushion blocks, and protection board is respectively arranged with the second positive pole contact and the second negative pole contact near the one side of battery core.This carries the lithium ion battery of three-dimensional nickel sheet, the first through hole being spaced substantially equidistant is offered in upper nickel sheet and lower nickel sheet, the medial surface of upper nickel sheet and lower nickel sheet offers equidistant guiding gutter, the position of correspondence connection nickel sheet offers the second through hole in upper nickel sheet and lower nickel sheet, the position of the second through hole of correspondence opens up jagged in connection nickel sheet, solves the problems, such as that nickel sheet welding easily rosin joint occurs in existing lithium ion battery.

Description

A kind of lithium ion battery with three-dimensional nickel sheet
Technical field
The utility model is related to lithium ion battery technical field, specially a kind of lithium ion battery with three-dimensional nickel sheet.
Background technology
Can not be overcharged because lithium battery material in itself determines it, cross put, excessively stream, short circuit and superhigh temperature discharge and recharge, institute With in order to protect the lithium battery to make its service life longer, present lithium battery is all using the collocation side of battery core and battery protecting plate Formula, then both are welded by nickel sheet, because the thickness of Copper Foil on protection board is very thin (about 70um or so), it is impossible to make Welded with spot-welding technology, can only be carried out the welding of workpiece using soldering, but the nickel sheet that traditional lithium ion battery is used Make common plane mostly, difficulty is larger in actual welding, it is possible that the situation of rosin joint, in turn results in battery charge and discharge Electricity failure.
As the term suggests the integrated electricity that lithium battery protection board shields primarily directed to chargeable (referring generally to lithium battery) Road plate, protection board is made up of electronic circuit, in the environment of -40 DEG C to+85 DEG C the moment accurately monitoring battery core voltage and The electric current in charge and discharge loop, the break-make in instant control electric current loop;It is severe that PTC or TCO prevent battery from occurring in high temperature environments Damage.
Utility model content
(1) technical problem for solving
In view of the shortcomings of the prior art, the utility model provides a kind of lithium ion battery with three-dimensional nickel sheet, solves Easily there is the problem of rosin joint in nickel sheet welding in existing lithium ion battery.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs:It is a kind of with three-dimensional nickel sheet Lithium ion battery, including battery core and protection board, the battery core are located at the side of protection board, and the battery core is near the side of protection board Face is respectively arranged with the first positive pole contact and the first negative pole contact, and the battery core is also bonded with two near the one side of protection board Symmetrical cushion block, the first positive pole contact and the first negative pole contact are respectively positioned between two cushion blocks.
The protection board is respectively arranged with the second positive pole contact and the second negative pole contact, described near the one side of battery core One positive pole contact and the first negative pole contact are welded with the second positive pole contact and the second negative pole contact respectively by three-dimensional nickel sheet, institute Three-dimensional nickel sheet is stated including upper nickel sheet and lower nickel sheet, the one side of the one side of the upper nickel sheet and lower nickel sheet is by three connection nickel Piece is fixedly connected, and the first through hole being spaced substantially equidistant, the upper nickel sheet and lower nickel are offered in the upper nickel sheet and lower nickel sheet The medial surface of piece offers equidistant guiding gutter, and the inside of the guiding gutter connects with first through hole, the upper nickel sheet and The position of correspondence connection nickel sheet offers the second through hole in lower nickel sheet.
Preferably, the first through hole and the second through hole are staggered, the position of the second through hole of correspondence in the connection nickel sheet Put and open up jagged.
Preferably, the quantity of the connection nickel sheet is no less than three, the curved shape in section of the guiding gutter.
Preferably, the thickness range of the upper nickel sheet and lower nickel sheet is one to three millimeter, the thickness model of the connection nickel sheet Enclose is two to four millimeters.
Preferably, two cushion blocks are Nian Jie near the one side of battery core with protection board away from the one side of battery core, institute Cushion block is stated for block rubber.
(3) beneficial effect
The utility model provides a kind of lithium ion battery with three-dimensional nickel sheet, possesses following beneficial effect:
(1) lithium ion battery of three-dimensional nickel sheet, should be carried, the first positive pole contact and the first negative pole contact pass through three-dimensional nickel Piece is welded with the second positive pole contact and the second negative pole contact respectively, and three-dimensional nickel sheet includes upper nickel sheet and lower nickel sheet, and upper nickel sheet is with The one side of nickel sheet and electrode contact blade contact weld, the one side of upper nickel sheet and lower nickel sheet is fixed by three connection nickel sheet and connected Connect, by increasing capacitance it is possible to increase the compressive property and electric conductivity of three-dimensional nickel sheet, offer what is be spaced substantially equidistant in upper nickel sheet and lower nickel sheet The medial surface of first through hole, upper nickel sheet and lower nickel sheet offers equidistant guiding gutter, when soldering is carried out, the liquid of thawing Tin contacts the effect for reaching multi-point welding, the inside of guiding gutter and first through hole along guiding gutter inflow first through hole with electrode contact blade Connection, the position of correspondence connection nickel sheet offers the second through hole in upper nickel sheet and lower nickel sheet, and first through hole and the second through hole are handed over Mistake arrangement, the position of the second through hole of correspondence opens up jagged in connection nickel sheet, and liquid tin can be flowed into by breach during soldering Second through hole is contacted with electrode contact blade, reaches the purpose of welding, is solved nickel sheet welding in existing lithium ion battery and is easily occurred The problem of rosin joint.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model solid nickel sheet sectional view;
Fig. 3 is the utility model solid nickel sheet side view.
In figure:1 battery core, 2 protection boards, 3 first positive pole contacts, 4 first negative pole contacts, 5 cushion blocks, 6 second positive pole contacts, 7 Second negative pole contact, 8 three-dimensional nickel sheet, nickel sheet, 10 time nickel sheet, 11 connect nickel sheet, 12 first through hole, 13 guiding gutters, 14 second on 9 Through hole, 15 breach.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme:A kind of lithium ion battery with three-dimensional nickel sheet, Including battery core 1 and protection board 2, battery core 1 is located at the side of protection board 2, and battery core 1 is respectively arranged near the one side of protection board 2 First positive pole contact 3 and the first negative pole contact 4, battery core 1 are also bonded with two symmetrical cushion blocks 5 near the one side of protection board 2, First positive pole contact 3 and the first negative pole contact 4 are respectively positioned between two cushion blocks 5.
Protection board 2 is respectively arranged with the second positive pole contact 6 and the second negative pole contact 7, two pads near the one side of battery core 1 Block 5 is Nian Jie near the one side of battery core 1 with protection board 2 away from the one side of battery core 1, and the cushion block 5 is block rubber, Neng Gougu Determine the position of protection board 2 and battery core 1, make the solder joint between protection board 2 and battery core 1 will not by using when influenceed, first just The negative pole contact 4 of pole contact 3 and first is welded with the second positive pole contact 6 and the second negative pole contact 7 respectively by three-dimensional nickel sheet 8, Three-dimensional nickel sheet 8 includes upper nickel sheet 9 and lower nickel sheet 10, and the one side of the one side of upper nickel sheet 9 and lower nickel sheet 10 is by three connections Nickel sheet 11 is fixedly connected, by increasing capacitance it is possible to increase the compressive property and electric conductivity of three-dimensional nickel sheet 8, is opened in upper nickel sheet 9 and lower nickel sheet 10 It is provided with the first through hole 12 being spaced substantially equidistant, the medial surface of upper nickel sheet 9 and lower nickel sheet 10 offers equidistant guiding gutter 13, The inside of guiding gutter 13 connects with first through hole 12, and when soldering is carried out, the liquid tin of thawing flows into first and leads to along guiding gutter 13 Hole 12 contacts the effect for reaching multi-point welding with electrode contact blade, the quantity for connecting nickel sheet 11 is no less than three, and guiding gutter 13 cuts The thickness range of the curved shape in face, upper nickel sheet 9 and lower nickel sheet 10 be one to three millimeter, connect nickel sheet 11 thickness range for two to Four millimeters, the position of correspondence connection nickel sheet 11 offers the second through hole 14, the He of first through hole 12 in upper nickel sheet 9 and lower nickel sheet 10 Second through hole 14 is staggered, and the position of the second through hole 14 of correspondence opens up jagged 15 in connection nickel sheet 11, liquid during soldering Tin can flow into the second through hole 14 and be contacted with electrode contact blade by breach 15, reach the purpose of welding, solve existing lithium ion Easily there is the problem of rosin joint in nickel sheet welding in battery.
When using, be bonded in protection board 2 on two cushion blocks 5 by user, and three-dimensional nickel sheet 8 is put into protection board 2 and battery core 1 Between, make the electrode contact blade that the upper nickel sheet 9 in three-dimensional nickel sheet 8 and lower nickel sheet 10 are respectively aligned in battery core 1 and protection board 2, then Soldering is carried out, the tin bar of soldering is separately flowed into the through hole 14 of first through hole 12 and second after melting, complete welding.
In sum, the lithium ion battery of three-dimensional nickel sheet should be carried, the first positive pole contact 3 and the first negative pole contact 4 lead to Cross three-dimensional nickel sheet 8 to be welded with the second positive pole contact 6 and the second negative pole contact 7 respectively, three-dimensional nickel sheet 8 includes upper nickel sheet 9 and lower nickel The one side of piece 10, upper nickel sheet 9 and lower nickel sheet 10 and electrode contact blade contact weld, the one side of upper nickel sheet 9 and lower nickel sheet 10 leads to Cross three connection nickel sheet 11 to be fixedly connected, by increasing capacitance it is possible to increase the compressive property and electric conductivity of three-dimensional nickel sheet 8, upper nickel sheet 9 and lower nickel Offer the first through hole 12 being spaced substantially equidistant on piece 10, the medial surface of upper nickel sheet 9 and lower nickel sheet 10 offers equidistant Guiding gutter 13, when soldering is carried out, the liquid tin of thawing flows into first through hole 12 and is contacted with electrode contact blade and reaches along guiding gutter 13 To the effect of multi-point welding, solve the problems, such as that nickel sheet welding easily rosin joint occurs in existing lithium ion battery.
Also, two cushion blocks 5 are Nian Jie near the one side of battery core 1 with protection board 2 away from the one side of battery core 1, described Cushion block 5 is block rubber, can fix the position of protection board 2 and battery core 1, the solder joint between protection board 2 and battery core 1 is not subject to Influence when using.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element for limiting, it is not excluded that Also there is other identical element in the process including the key element, method, article or equipment ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of lithium ion battery with three-dimensional nickel sheet, including battery core (1) and protection board (2), the battery core (1) is positioned at protection The side of plate (2), it is characterised in that:The battery core (1) is respectively arranged with the first positive pole contact near the one side of protection board (2) (3) and the first negative pole contact (4), the battery core (1) is also bonded with two symmetrical cushion blocks near the one side of protection board (2) (5), the first positive pole contact (3) and the first negative pole contact (4) are respectively positioned between two cushion blocks (5);
The protection board (2) is respectively arranged with the second positive pole contact (6) and the second negative pole contact near the one side of battery core (1) (7), the first positive pole contact (3) and the first negative pole contact (4) by three-dimensional nickel sheet (8) respectively with the second positive pole contact (6) welded with the second negative pole contact (7), the three-dimensional nickel sheet (8) includes upper nickel sheet (9) and lower nickel sheet (10), the upper nickel sheet (9) one side of one side and lower nickel sheet (10) is fixedly connected by three connections nickel sheet (11), the upper nickel sheet (9) and under The medial surface of the first through hole (12) being spaced substantially equidistant, the upper nickel sheet (9) and lower nickel sheet (10) is offered in nickel sheet (10) Equidistant guiding gutter (13) is offered, the inside of the guiding gutter (13) connects with first through hole (12), the upper nickel sheet (9) and in lower nickel sheet (10) position of correspondence connection nickel sheet (11) offers the second through hole (14).
2. a kind of lithium ion battery with three-dimensional nickel sheet according to claim 1, it is characterised in that:The first through hole (12) and the second through hole (14) is staggered, on connection nickel sheet (11) position of the second through hole of correspondence (14) offer it is scarce Mouth (15).
3. a kind of lithium ion battery with three-dimensional nickel sheet according to claim 1, it is characterised in that:The connection nickel sheet (11) quantity is no less than three, the curved shape in section of the guiding gutter (13).
4. a kind of lithium ion battery with three-dimensional nickel sheet according to claim 1, it is characterised in that:The upper nickel sheet (9) and lower nickel sheet (10) thickness range be one to three millimeter, it is described connection nickel sheet (11) thickness range be two to four millimeters.
5. a kind of lithium ion battery with three-dimensional nickel sheet according to claim 1, it is characterised in that:Two cushion blocks (5) one side away from battery core (1) is Nian Jie near the one side of battery core (1) with protection board (2), and the cushion block (5) is rubber Block.
CN201621277353.7U 2016-11-25 2016-11-25 A kind of lithium ion battery with three-dimensional nickel sheet Expired - Fee Related CN206210951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621277353.7U CN206210951U (en) 2016-11-25 2016-11-25 A kind of lithium ion battery with three-dimensional nickel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621277353.7U CN206210951U (en) 2016-11-25 2016-11-25 A kind of lithium ion battery with three-dimensional nickel sheet

Publications (1)

Publication Number Publication Date
CN206210951U true CN206210951U (en) 2017-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621277353.7U Expired - Fee Related CN206210951U (en) 2016-11-25 2016-11-25 A kind of lithium ion battery with three-dimensional nickel sheet

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107437598A (en) * 2017-06-22 2017-12-05 惠州市德赛电池有限公司 A kind of battery core carrying case
CN109994698A (en) * 2018-12-06 2019-07-09 深圳欣旺达智能科技有限公司 Battery protecting plate anti-misoperation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107437598A (en) * 2017-06-22 2017-12-05 惠州市德赛电池有限公司 A kind of battery core carrying case
CN109994698A (en) * 2018-12-06 2019-07-09 深圳欣旺达智能科技有限公司 Battery protecting plate anti-misoperation device

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GR01 Patent grant
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: 20170531

Termination date: 20171125