CN1340444A - Soft package structure of battery core and its making method - Google Patents
Soft package structure of battery core and its making method Download PDFInfo
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- CN1340444A CN1340444A CN00126905A CN00126905A CN1340444A CN 1340444 A CN1340444 A CN 1340444A CN 00126905 A CN00126905 A CN 00126905A CN 00126905 A CN00126905 A CN 00126905A CN 1340444 A CN1340444 A CN 1340444A
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- battery
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
A soft package structure of polymer-Li-ion battery core features use of a packing Al-phastic membrane with excellent water isolation performance and air permeability, which is half-folded along one edge and then thermally sealed at its three edges. Its advantages are high efficiency,and high quality of package and seal.
Description
The present invention relates to a kind of battery packaging structure, particularly relate to a kind of polymer Li-ion battery core soft package structure.The invention still further relates to the method for making this structure.
Polymer Li-ion battery is the novel chargeable battery with very big application prospect of recent development, and its maximum characteristics are to adopt the flexible packing material of non-metal duricrust, has that volume is little, in light weight, the characteristic of safety non-pollution.Size and volume of battery capacity after the battery packing have very big relation, and when therefore making battery pack shell into when design, battery maximally utilises the space of shell as far as possible.For guaranteeing assembling smoothly, require packaged battery to keep surfacing and size homogeneous aborning.On the other hand, need to vacuumize heat-seal operation in the packaging process of battery, the location of battery in packaging bag seems very outstanding.In case locate bad, each collimation and squareness that seals the limit just is difficult to control, influence vacuumizes the back packaging film in the surface coated shape of battery, phenomenons such as fold, local accumulation, heat-sealing limit is crooked appear, it is very unfavorable that these all carry out the finished product assembling to battery, can destroy the performance of battery when serious.Therefore the reasonableness of battery manner of packing not only can influence the smooth of subsequent technique (finished product assembling) enforcement, and also very big to the Effect on Performance of battery own.
Common battery packing is to adopt the form (shown in figure one) of four limits heat-sealing.This packaged form normally adopts compression molding techniques, and it is box-like with the mould of certain specification packaging film to be pressed into before this, and the battery of then packing into after closing in four limits, is sewed up with the disposable compacting of hot pressing strip of paper used for sealing.This method needs different moulds at the battery of different size, use cost is higher on producing, and the occupied area of battery is bigger, for reducing size, four heat-sealing limits all need be carried out crimping and be handled, battery four limits all can be squeezed, particularly on angle all around, because it is folding to repeat crimping, place, dead angle thickness is big, the part is squeezed seriously, and this method is easy to cause the inside battery structural damage, also makes the packing cracking easily.
Purpose of the present invention just provides a kind of saving in material, the soft package structure of battery core that simplifies the operation and manufacture method thereof.
In order to achieve the above object, a kind of soft package structure of battery core of the present invention adopts plastic-aluminum packaging film to carry out the compacting of hot pressing strip of paper used for sealing and forms, and its profile is a quadrangle, one side in the quadrangle be the lug limit, Yi Bian be conduplication side, both sides are for sealing the limit in addition.
A kind of method of making soft package structure of battery core, comprise the steps: 1) cut out the packaging film of certain size earlier, its length dimension is about 2-3 times of this direction size of battery, its width value is decided according to the size of battery size, seals the centre portion of the top of packaging film simultaneously with the insulation adhesive tape; 2) after doubling overlapped the limit, battery was close to this doubling side and is fixed the position; The bottom of heat sealed package film makes battery tightly touch the doubling side and the bottom on packing limit; 3) the good post heat-seal lug of battery embedding limit; 4) add battery acid from another side heat-sealing limit at last; 5) then vacuumize heat-sealing, once packaged battery vacuumizes heat-sealing once more and forms the heat-sealing limit, and cut out and go unnecessary packaging bag after changing into.
The another kind of method of making soft package structure of battery core comprises the steps: 1) cut out the packaging film 1 of certain size earlier, seal the centre portion of the top of packaging film simultaneously with the insulation adhesive tape; 2) after doubling overlapped the limit, battery was close to this doubling side and is fixed the position; The bottom of heat sealed package film makes battery tightly touch the doubling side and the bottom on packing limit; 3) the good post heat-seal lug of battery 2 embeddings limit; 4) add battery acid from another side heat-sealing limit at last; 5) then vacuumize heat-sealing, once packaged battery vacuumizes heat-sealing once more and forms the heat-sealing limit, and cut out and go unnecessary packaging bag after changing into.
The present invention utilizes the doubling packing to realize three banding mouth structures, owing to encapsulate on the conduplication side, just do not encapsulate limit and unnecessary cutting edge yet, the purpose that has reached saving in material and simplified the operation, overcome the unfavorable factor of packaging process, improved production efficiency and end product quality battery process enforcement and performance impact.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of known soft package structure of battery core;
Fig. 2 is first example structure scheme drawing of soft package structure of battery core of the present invention;
Fig. 3 is second example structure scheme drawing of soft package structure of battery core of the present invention;
Fig. 4 is first embodiment step of manufacturing of soft package structure of battery core of the present invention figure;
Fig. 5 is second embodiment step of manufacturing of soft package structure of battery core of the present invention figure.
As shown in Figure 2, be first embodiment of soft package structure of battery core of the present invention.A kind of soft package structure of battery core, adopting plastic-aluminum packaging film 1 to carry out the compacting of hot pressing strip of paper used for sealing forms, its profile is a quadrangle, the limit that one side in the quadrangle is used for the good post heat-seal lug 21 of battery 2 embeddings is lug limit 11, the one side of intersecting with lug limit 11 is conduplication side 12, and both sides are for sealing limit 13,14 in addition.
As shown in Figure 3, be second embodiment of soft package structure of battery core of the present invention.A kind of soft package structure of battery core, adopting plastic-aluminum packaging film 1 to carry out the compacting of hot pressing strip of paper used for sealing forms, its profile is a quadrangle, the limit that one side in the quadrangle is used for the good post heat-seal lug 21 of battery 2 embeddings is lug limit 11, with one side of lug limit 11 symmetries be conduplication side 12, both sides are for sealing limit 13,14 in addition.
As shown in Figure 4, the manufacture method of first embodiment of soft package structure of battery core of the present invention, comprise the steps: 1) cut out the packaging film 1 of certain size earlier, its length dimension is about 2-3 times of battery 2 these direction sizes, its width value is decided according to the size of battery 2 sizes, seals the centre portion of the top of packaging film 1 with insulation adhesive tape 3 simultaneously; 2) after doubling overlapped the limit, battery 2 was close to this doubling side 12 and is fixed the position; The bottom 14 of heat sealed package film makes battery 2 tightly touch the doubling side 12 and following 14 on packing limit; 3) the good post heat-seal lug of battery 2 embeddings limit 11; 4) add battery acid from another side heat-sealing limit 15 at last; 5) then vacuumize heat-sealing, once packaged battery 2 vacuumizes heat-sealing once more and forms heat-sealing limit 13, and cut out and go unnecessary packaging bag after changing into.
As shown in Figure 5, the manufacture method of second embodiment of soft package structure of battery core of the present invention, comprise the steps: 1) cut out the packaging film 1 of certain size earlier, its width value is decided according to the size of battery 2 sizes, simultaneously the upper and lower both sides of sealing packaging film with insulation adhesive tape 3; 2) doubling overlaps the limit, makes bottom become conduplication side 12, heat-sealing side 13; 3) then battery 2 is filled in the packaging bag, made battery 2 tightly touch the conduplication side 12 on packing limit and the side 13 that has sealed, the good post heat-seal lug of battery 2 embeddings limit 11; 4) add battery acid from another side heat-sealing limit 15 at last; 5) then vacuumize heat-sealing, once packaged battery 2 vacuumizes heat-sealing once more and forms heat-sealing limit 14, and cut out and go unnecessary packaging bag after changing into.Than the manufacture method of first embodiment, the length of the manufacture method doubling direction in advance of second embodiment is determined, guarantees the conformability of encapsulation back battery size, and it is good that each seals the collimation and the squareness on limit.
In two embodiment of strength of the present invention, because of conduplication side does not encapsulate, make this limit sack to open automatically, follow-up liquid feeding operating speed is accelerated.Result of use aborning proves that with respect to the situation that all shut both sides, this method can be saved about 10% material, and the packing time of each battery shortens greatly, and production efficiency improves several times.Do not pile up for four jiaos of encapsulation back battery, seal and the surface is difficult for fold, planeness is good, packaging quality is significantly improved.
Claims (5)
1, a kind of soft package structure of battery core adopts plastic-aluminum packaging film to carry out the compacting of hot pressing strip of paper used for sealing and forms, and its profile is a quadrangle, one side in the quadrangle be the lug limit, it is characterized in that: be conduplication side on one side, both sides are for sealing the limit in addition.
2, soft package structure of battery core according to claim 1 is characterized in that: one side what intersect with the lug limit is conduplication side.
3, soft package structure of battery core according to claim 1 is characterized in that: one side with lug limit symmetry be conduplication side.
4, a kind of method of making claim 1 or 2 described soft package structure of battery core, it is characterized in that: the packaging film of 1) cutting out certain size earlier, its length dimension is about 2-3 times of this direction size of battery, its width value is decided according to the size of battery size, seals the centre portion of the top of packaging film simultaneously with the insulation adhesive tape; 2) after doubling overlapped the limit, battery was close to this doubling side and is fixed the position; The bottom of heat sealed package film makes battery tightly touch the doubling side and the bottom on packing limit; 3) the good post heat-seal lug of battery embedding limit; 4) add battery acid from another side heat-sealing limit at last; 5) then vacuumize heat-sealing, once packaged battery vacuumizes heat-sealing once more and forms the heat-sealing limit, and cut out and go unnecessary packaging bag after changing into.
5, a kind of method of making claim 1 or 3 described soft package structure of battery core is characterized in that: 1) cut out the packaging film 1 of certain size earlier, seal the centre portion of the top of packaging film simultaneously with the insulation adhesive tape; 2) after doubling overlapped the limit, battery was close to this doubling side and is fixed the position; The bottom of heat sealed package film makes battery tightly touch the doubling side and the bottom on packing limit; 3) the good post heat-seal lug of battery 2 embeddings limit; 4) add battery acid from another side heat-sealing limit at last; 5) then vacuumize heat-sealing, once packaged battery vacuumizes heat-sealing once more and forms the heat-sealing limit, and cut out and go unnecessary packaging bag after changing into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00126905A CN1340444A (en) | 2000-08-31 | 2000-08-31 | Soft package structure of battery core and its making method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00126905A CN1340444A (en) | 2000-08-31 | 2000-08-31 | Soft package structure of battery core and its making method |
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| CN1340444A true CN1340444A (en) | 2002-03-20 |
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| CN00126905A Pending CN1340444A (en) | 2000-08-31 | 2000-08-31 | Soft package structure of battery core and its making method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322603C (en) * | 2005-09-28 | 2007-06-20 | 吉林省巨力电池有限公司 | Method for manufacturing soft-packing lithium ion battery in natural environment |
| CN100405657C (en) * | 2005-04-11 | 2008-07-23 | 有量科技股份有限公司 | Improved battery core of staggering battery and producing method thereof |
| CN100414653C (en) * | 2004-04-23 | 2008-08-27 | 清华大学深圳研究生院 | A high-energy super capacitor capable of preventing electrochemical corrosion |
| WO2010124589A1 (en) * | 2009-04-29 | 2010-11-04 | 深圳市比克电池有限公司 | A battery and a manufacturing method for the battery |
| CN102044706A (en) * | 2010-12-19 | 2011-05-04 | 惠州市博能新能源有限公司 | Method for preparing flexible packaging cylindrical lithium battery |
| CN101093899B (en) * | 2006-06-20 | 2011-11-09 | 丹锂安电池(深圳)有限公司 | Structural design of soft package for the core of lithium ion cell, and fabricating method |
| CN101093898B (en) * | 2006-06-20 | 2012-03-21 | 丹锂安电池(深圳)有限公司 | Structural design of soft package for the core of lithium ion cell, and fabricating method |
| CN103018624A (en) * | 2012-12-27 | 2013-04-03 | 天津力神电池股份有限公司 | Detection method for plate set short circuit of flexible packaging batteries |
| CN101563221B (en) * | 2006-12-22 | 2013-06-05 | 栗村化学株式会社 | Pouch for packing cell and method for preparing the same |
| CN105591160A (en) * | 2016-01-20 | 2016-05-18 | 山东精工电子科技有限公司 | Method for verifying package reliability of soft-package battery |
| CN106025145A (en) * | 2016-08-09 | 2016-10-12 | 连云港德立信电子科技有限公司 | Flexible package lithium battery two-seal liquor-drainage exhaust packaging technology |
-
2000
- 2000-08-31 CN CN00126905A patent/CN1340444A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414653C (en) * | 2004-04-23 | 2008-08-27 | 清华大学深圳研究生院 | A high-energy super capacitor capable of preventing electrochemical corrosion |
| CN100405657C (en) * | 2005-04-11 | 2008-07-23 | 有量科技股份有限公司 | Improved battery core of staggering battery and producing method thereof |
| CN1322603C (en) * | 2005-09-28 | 2007-06-20 | 吉林省巨力电池有限公司 | Method for manufacturing soft-packing lithium ion battery in natural environment |
| CN101093899B (en) * | 2006-06-20 | 2011-11-09 | 丹锂安电池(深圳)有限公司 | Structural design of soft package for the core of lithium ion cell, and fabricating method |
| CN101093898B (en) * | 2006-06-20 | 2012-03-21 | 丹锂安电池(深圳)有限公司 | Structural design of soft package for the core of lithium ion cell, and fabricating method |
| CN101563221B (en) * | 2006-12-22 | 2013-06-05 | 栗村化学株式会社 | Pouch for packing cell and method for preparing the same |
| WO2010124589A1 (en) * | 2009-04-29 | 2010-11-04 | 深圳市比克电池有限公司 | A battery and a manufacturing method for the battery |
| CN102044706A (en) * | 2010-12-19 | 2011-05-04 | 惠州市博能新能源有限公司 | Method for preparing flexible packaging cylindrical lithium battery |
| CN103018624A (en) * | 2012-12-27 | 2013-04-03 | 天津力神电池股份有限公司 | Detection method for plate set short circuit of flexible packaging batteries |
| CN105591160A (en) * | 2016-01-20 | 2016-05-18 | 山东精工电子科技有限公司 | Method for verifying package reliability of soft-package battery |
| CN106025145A (en) * | 2016-08-09 | 2016-10-12 | 连云港德立信电子科技有限公司 | Flexible package lithium battery two-seal liquor-drainage exhaust packaging technology |
| CN106025145B (en) * | 2016-08-09 | 2018-08-10 | 连云港德立信电子科技有限公司 | A kind of sealing of flexible package lithium cell two drain exhaust packaging technology |
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