CN205039213U - Encapsulation head and encapsulation device for flexible package lithium -ion battery cell - Google Patents

Encapsulation head and encapsulation device for flexible package lithium -ion battery cell Download PDF

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Publication number
CN205039213U
CN205039213U CN201520781614.8U CN201520781614U CN205039213U CN 205039213 U CN205039213 U CN 205039213U CN 201520781614 U CN201520781614 U CN 201520781614U CN 205039213 U CN205039213 U CN 205039213U
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China
Prior art keywords
encapsulation
angle
lithium ion
upper cover
flexible packing
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CN201520781614.8U
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Chinese (zh)
Inventor
陈志道
汤欣平
张明发
龙际良
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Hunan Jiusun New Energy Co., Ltd.
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DONGGUAN JOYSUN NEW ENERGY Co Ltd
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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

Abstract

The utility model discloses a soft -packing lithium ion cell's encapsulation head, including an upper cover, the upper cover has a last encapsulation portion that is located its lower extreme, and be located a low head of upper cover below, the low head have be located its the upper end and with go up the relative portion of encapsulation once of encapsulation portion, go up encapsulation portion with encapsulation part down do not is formed with the R angle and reaches R angle down. The utility model discloses still provide a packaging hardware who has this encapsulation head. Setting up of upper and lower R angle has effectively avoided the mil damaged, has realized the no weeping of product, has improved the performance of product.

Description

A kind of encapsulation end socket of flexible packing lithium ion electric core and packaging system
Technical field
The utility model relates to packaging system field, particularly relates to a kind of encapsulation end socket and packaging system of flexible packing lithium ion electric core.
Background technology
Lithium ion battery is current state-of-the-art commercialization secondary cell, is widely used in various electronic product.Lithium ion battery divides according to packaging material, can be divided into lithium-ion battery with steel shell, lithium ion battery with aluminum shell and flexible packing lithium ion battery.Wherein, flexible packing lithium ion battery has that energy density is high, lightweight, metamorphosis is many, can make the advantages such as thin battery, and therefore electronic mobile product adopts flexible packing lithium ion battery as the energy substantially at present.
Electrolyte due to lithium ion battery comprises the mixing of multiple organic solvent, it is a kind of breakneck chemicals, and do not allow itself and outside air to contact with each other, therefore lithium ion battery firm, safety when encapsulated moulding is required, prevent electrolyte from revealing or avoiding outside air to penetrate into battery core inside, to damage and dangerous, ensure flexible packing lithium ion not because of leakage, bulging and affect performance simultaneously.
The battery core of flexible packing lithium ion battery generally adopts aluminum-plastic composite membrane to do packaging film, it has good draftability, lightweight and flexibility, aluminum-plastic composite membrane generally has five-layer structure, inside and outside each two layers of polyethylene layer (PE) and polypropylene layer (PP), middle one deck aluminium foil layer.And encapsulate end socket and generally comprise the upper cover with upper encapsulation part and there is lower encapsulation part and a bottom head relative with upper encapsulation part, on, lower encapsulation part is all rectangular, the encapsulation region (side sealing or two edge sealing) of aluminum-plastic composite membrane is put in, when sealing between lower encapsulation part, the non-encapsulation region adjacent with encapsulation region can adjacent on, the sidewall of lower encapsulation part and perpendicular with encapsulation region, and PP and the PE layer of encapsulation region innermost layer replaces melted by heating, and inwardly permeating outer both sides by pressure at upper bottom head, the little colloid of hard is formed in the vertical edges of encapsulation region and non-encapsulation region after cooling, treat its shaping flanging, after bending, the little colloid of hard in vertical edges can rupture or break, and come off from flexible packaging film inside, cause the aluminium foil in intermediate layer lose protection directly with there is corrosive electrolyte contact with each other, under the regular hour, aluminium foil is corroded oxidation, aluminum-plastic composite membrane occurs damaged, and then the sealing of lithium battery is damaged, cause lithium ion battery bulging, leakage is scrapped.This breakage occurring in battery core bight, industry is referred to as " position, angle is damaged ".
Therefore, be necessary to provide a kind of encapsulation end socket and packaging system, effectively can avoid the breakage of position, angle, ensure that finished product rate is high.
Utility model content
The purpose of this utility model is the encapsulation end socket and the packaging system that provide a kind of flexible packing lithium ion electric core, effectively can avoid the breakage of position, angle, ensure that encapsulation rate of finished products is high.
To achieve these goals, scheme of the present utility model, for providing a kind of encapsulation end socket of flexible packing lithium ion electric core, comprises a upper cover, described upper cover have be positioned at its lower end one on encapsulation part; And the bottom head be positioned at below described upper cover, described bottom head has to be located thereon to be held and the once encapsulation part relative with described upper encapsulation part; Described upper encapsulation part and described lower encapsulation part are formed with R angle and lower R angle respectively.
Preferably, when described upper cover and described bottom head close, described upper R angle and described lower R angle are positioned at the same side and symmetrical up and down.
Preferably, described upper and lower R angle is of a size of 0.8 millimeter ~ 1.0 millimeters.
Compared with prior art, on of the present utility model, lower encapsulation part is formed respectively, lower R angle, when flexible packing lithium ion electric core is leaned against, side, lower R angle, and the encapsulation region (side sealing or two edge sealing) of aluminum-plastic composite membrane is put in, when sealing between lower encapsulation part, on being provided with, lower R angle, the non-encapsulation region adjacent with encapsulation region will be formed with upper, the arcwall face that lower R angle is corresponding, the arcwall face of non-encapsulation region can be well excessive with encapsulation region, without vertical edges, in the operations such as follow-up shaping flanging, not easily there is fracture or break, can effectively avoid position, angle damaged, achieve product without leakage, improve the serviceability of product, thoroughly solve the problem of flexible packing lithium ion electric core internal corrosion leakage, substantially increase the useful life of flexible packing lithium ion electric core, have and make simply, easy to operate, do not increase the feature of any cost.
Accompanying drawing explanation
Fig. 1 is the side view of the utility model encapsulation end socket and lithium-ion electric core.
Fig. 2 is the stereogram of lithium-ion electric core after the utility model encapsulation
Fig. 3 is the decomposing schematic representation of the utility model encapsulation end socket and lithium-ion electric core.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.As mentioned above, the utility model provides a kind of encapsulation end socket 1 and packaging system (not shown) of flexible packing lithium ion electric core 2, effectively can avoid the breakage of position, angle, ensure that encapsulation rate of finished products is high.
As shown in Figures 1 to 3, encapsulation end socket 1 comprise a upper cover 12, upper cover 12 have be positioned at its lower end one on encapsulation part 122; And the bottom head 14 be positioned at below upper cover 12, bottom head 14 has to be located thereon to be held and the once encapsulation part 142 relative with upper encapsulation part 122; Upper encapsulation part 122 is formed with R angle 123 and lower R angle 143 respectively with lower encapsulation part 142.Particularly, as shown in Figure 1, when upper cover 12 and bottom head 14 close, upper R angle 123 is positioned at the same side with lower R angle 143 and symmetrical up and down.Wherein, the upper and lower size at R angle 123,143 and the size of flexible packing lithium ion electric core 2 adapt, for the flexible packing lithium ion electric core 2 that battery capacity is less than 5000mA/h, upper and lower R angle 123,143 be of a size of 0.8 millimeter ~ 1.0 millimeters more suitable.
Above-mentioned encapsulation end socket 1 is for encapsulating the packaging film (aluminum-plastic composite membrane) of flexible packing lithium ion electric core 2.Aluminum-plastic composite membrane is needed to stamp out the groove of respective depth according to being placed in the size of core in it before packaging, to facilitate, core is laid, laying the aluminum-plastic composite membrane after core and namely form battery core after encapsulation, in the utility model, is flexible packing lithium ion electric core 2.Aluminum-plastic composite membrane needs the encapsulation region 22 of encapsulation to comprise side sealing and two edge sealing, during encapsulation, flexible packing lithium ion electric core 2 is leaned against, lower R angle 123, the side of 143, and the encapsulation region 22 of aluminum-plastic composite membrane is put in, lower encapsulation part 122, seal between 142, on being provided with, lower R angle 123, 143, the non-encapsulation region 24 adjacent with encapsulation region 22 will be formed with upper, the arcwall face that lower R angle is corresponding, the arcwall face of non-encapsulation region 24 can be excessively good with encapsulation region 22, and without vertical edges or broken line, in the operations such as follow-up shaping flanging, not easily there is fracture or break, can effectively avoid position, angle damaged, achieve product without leakage, improve the serviceability of product, thoroughly solve the problem of flexible packing lithium ion electric core 2 internal corrosion leakage, substantially increase the useful life of flexible packing lithium ion electric core 2, have and make simply, easy to operate, do not increase the feature of any cost.
Above disclosedly be only preferred embodiments of the present utility model, its effect facilitates those skilled in the art to understand and implements according to this, certainly the interest field of the utility model can not be limited with this, therefore according to the equivalent variations that the utility model claim is done, the scope that the utility model is contained still is belonged to.

Claims (4)

1. an encapsulation end socket for flexible packing lithium ion electric core, comprising:
One upper cover, described upper cover have be positioned at its lower end one on encapsulation part;
Be positioned at the bottom head below described upper cover, described bottom head has to be located thereon to be held and the once encapsulation part relative with described upper encapsulation part;
It is characterized in that, described upper encapsulation part and described lower encapsulation part are formed with R angle and lower R angle respectively.
2. the encapsulation end socket of flexible packing lithium ion electric core as claimed in claim 1, is characterized in that: when described upper cover and described bottom head close, and described upper R angle and described lower R angle are positioned at the same side and symmetry up and down.
3. the encapsulation end socket of flexible packing lithium ion electric core as claimed in claim 1, is characterized in that: described upper R angle and described lower R angle are of a size of 0.8 millimeter ~ 1.0 millimeters.
4. a packaging system for flexible packing lithium ion electric core, is characterized in that: comprise the encapsulation end socket as described in any one of claims 1 to 3.
CN201520781614.8U 2015-10-10 2015-10-10 Encapsulation head and encapsulation device for flexible package lithium -ion battery cell Active CN205039213U (en)

Priority Applications (1)

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CN201520781614.8U CN205039213U (en) 2015-10-10 2015-10-10 Encapsulation head and encapsulation device for flexible package lithium -ion battery cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520781614.8U CN205039213U (en) 2015-10-10 2015-10-10 Encapsulation head and encapsulation device for flexible package lithium -ion battery cell

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720308A (en) * 2016-02-24 2016-06-29 中山市世豹新能源有限公司 Expanding aluminum-plastic film package lithium battery repairing method for double-station and double-cavity packaging machine
CN107134593A (en) * 2016-02-26 2017-09-05 郑州比克电池有限公司 A kind of lithium ion polymer battery closedtop end socket
CN108011127A (en) * 2017-10-20 2018-05-08 惠州亿纬锂能股份有限公司 Soft-packaging lithium battery cores lug seals mode structure
CN109065766A (en) * 2018-07-26 2018-12-21 曙鹏科技(深圳)有限公司 A kind of packaging method of lithium battery encapsulation end socket and cathodic protection
CN112864439A (en) * 2020-12-21 2021-05-28 湖南久森新能源有限公司 Multi-temperature heat sealing machine for lithium battery

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720308A (en) * 2016-02-24 2016-06-29 中山市世豹新能源有限公司 Expanding aluminum-plastic film package lithium battery repairing method for double-station and double-cavity packaging machine
CN107134593A (en) * 2016-02-26 2017-09-05 郑州比克电池有限公司 A kind of lithium ion polymer battery closedtop end socket
CN108011127A (en) * 2017-10-20 2018-05-08 惠州亿纬锂能股份有限公司 Soft-packaging lithium battery cores lug seals mode structure
CN109065766A (en) * 2018-07-26 2018-12-21 曙鹏科技(深圳)有限公司 A kind of packaging method of lithium battery encapsulation end socket and cathodic protection
CN112864439A (en) * 2020-12-21 2021-05-28 湖南久森新能源有限公司 Multi-temperature heat sealing machine for lithium battery

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GR01 Patent grant
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Effective date of registration: 20190603

Address after: 424300 Chenzhou City, Hunan Province, Linwu County, Wushuizhen County Industrial Park Industrial Avenue luxury vehicle testing company oblique opposite

Patentee after: Hunan Jiusun New Energy Co., Ltd.

Address before: 523470 Waterfront Industrial Park, Hengli Town, Dongguan City, Guangdong Province, 21

Patentee before: DONGGUAN JOYSUN NEW ENERGY CO., LTD.