CN204088500U - The packaging system of flexible packing lithium ion battery - Google Patents
The packaging system of flexible packing lithium ion battery Download PDFInfo
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- CN204088500U CN204088500U CN201420473431.5U CN201420473431U CN204088500U CN 204088500 U CN204088500 U CN 204088500U CN 201420473431 U CN201420473431 U CN 201420473431U CN 204088500 U CN204088500 U CN 204088500U
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- lithium ion
- ion battery
- flexible packing
- packing lithium
- glue groove
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model belongs to battery manufacturing equipment technical field, particularly relate to a kind of packaging system of flexible packing lithium ion battery, comprise upper cover and bottom head, upper cover is provided with first and keeps away glue groove, bottom head is provided with second and keeps away glue groove, also comprising positioning fixture, positioning fixture being provided with groove that the lug for flexible packing lithium ion battery stretches out and for carrying out spacing position block to the closedtop limit of flexible packing lithium ion battery.Relative to prior art, the utility model is positioned by the closedtop limit of position block to flexible packing lithium ion battery, can guarantee that the edge of aluminum plastic film during side seal stretches into the distance of keeping away glue groove certain, thus form stable Wei Feng district at the edge of aluminum plastic film, can effectively prevent PP to overflow glue, avoid excessively gluingly being connected on upper cover and bottom head, and due to the location fluctuation that battery size tolerance is brought when preventing from positioning battery, and then it is bad to stop to stretch into the wide encapsulation caused of the aluminum plastic film keeping away glue groove.
Description
Technical field
The utility model belongs to battery manufacturing equipment technical field, particularly relates to a kind of packaging system of flexible packing lithium ion battery.
Background technology
The packaging technology of flexible-packed battery is the core technology of each large battery manufacturers always, if flexible-packed battery encapsulation is bad, will cause the leakage of battery core burn into or flatulence etc., and even cause that battery core is on fire will cause security incident.
The general principle of flexible-packed battery encapsulation is: under certain temperature, time and pressure effect, make layer polypropylene (PP) in the aluminum plastic film for packing battery core merge, thus forms the closed environment that possesses some strength.During practical operation, battery to be packaged is positioned, make the limit to be packaged of battery outwardly, then by upper cover or bottom head, the limit to be packaged to aluminum plastic film is heated, it is made to reach more than the sticky stream temperature of PP, PP is softened and becomes viscous state, upper cover and bottom head is adopted to clamp the limit to be packaged of aluminum plastic film up and down and apply certain pressure to it again, this process lasts certain hour of exerting pressure (general more than 2s), PP is made to produce certain compression deformation rate, and then two-layer PP is merged alternately, namely complete encapsulation operation.
For flexible packing lithium ion battery, generally need encapsulation three limits: a closedtop limit and two side sealings, during encapsulation, generally first encapsulate closedtop limit and wherein one finally cuts away airbag again away from the side sealing of airbag, encapsulate another side sealing.
Because during encapsulation, PP layer creates certain compression, and for being positioned at the aluminum plastic film of side sealing and closedtop limit crossover location, because it will be heated and exert pressure twice, second time when being heated and exerted pressure unnecessary PP the edge from aluminum plastic film is overflowed (PP overflow glue), the PP glue that overflows will be bonded on upper cover and/or bottom head, and progressively pile up on upper cover and/or bottom head, and the PP glue that overflows is also totally not easy to clean.This will cause the depth of parallelism of upper cover and bottom head bad, and cause encapsulation compacting uneven, PP compression deformation rate is inadequate, finally causes encapsulating layering, and cannot form the closed environment possessing some strength, thus cause battery 10 leakage or flatulence, performance is bad.Therefore PP overflows, glue problem is a difficult problem for flexible packing lithium ion battery packaging technology.
To overflow glue problem to solve PP, some cell production companies adopt processing on bottom head to keep away glue groove to hold unnecessary excessive glue, but as shown in Figure 1, when carrying out the encapsulation of side sealing, what generally adopt the location of battery 10 is the sidewall of the main body of the battery 10 of main body wall 20(lug 30 external part to battery 10) position, instead of closedtop limit 40 is positioned, due to the tolerances of the size of battery 10, therefore being difficult to ensure that the edge of aluminum plastic film just in time falls into keeps away in glue groove, therefore there will be the bad of position, the angle layering that excessive glue causes, if add operational lack of standardization, the placement of battery 10 is not in place, just there will be and keep away the bad phenomenon of the wide encapsulation caused of aluminum plastic film width corresponding above glue groove, the edge sealing of battery 10 is made to occur that breach causes leakage etc.Therefore, in order to avoid risk, a lot of cell production companies does not generally adopt band to keep away the end socket of glue groove design.
In view of this, the necessary packaging system providing a kind of flexible packing lithium ion battery, its PP that can eliminate aluminum plastic film overflows glue, improves the leakage that battery edge sealing bad (as layering and edge sealing breach etc.) causes.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provides a kind of packaging system of flexible packing lithium ion battery, and its PP that can eliminate aluminum plastic film overflows glue, improves the leakage that battery edge sealing bad (as layering and edge sealing breach etc.) causes.
In order to achieve the above object, the utility model adopts following technical scheme: the packaging system of flexible packing lithium ion battery, comprise upper cover and bottom head, described upper cover is provided with first and keeps away glue groove, described bottom head is provided with second and keeps away glue groove, also comprising positioning fixture, described positioning fixture being provided with groove that the lug for flexible packing lithium ion battery stretches out and for carrying out spacing position block to the closedtop limit of flexible packing lithium ion battery.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and the cross section of described position block is step.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and described packaging system also comprises fixture cover plate, and described fixture cover plate is connected to one end of described positioning fixture turningly.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and when being covered to described positioning fixture by described fixture cover plate, the position corresponding to described position block of described fixture cover plate is provided with block avoiding hollow groove.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, described upper cover comprises upper cover main body and upper cover edge sealing, described bottom head comprises bottom head main body and bottom head edge sealing, described first keeps away the side that glue groove is arranged at described upper cover edge sealing, described second keeps away the side that glue groove is arranged at described bottom head edge sealing, during encapsulation, described first keeps away glue groove and described second keeps away glue groove with the aluminum plastic film place plane of flexible packing lithium ion battery for the plane of symmetry is arranged at the both sides of described aluminum plastic film symmetrically; And described first keeps away glue groove and described second keeps away glue groove and all correspond to the side sealing of described aluminum plastic film and the edge of closedtop limit cross section.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and described positioning fixture is connected by connector with described fixture cover plate.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and described connector is set to hinge or " C " shape spring clip.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and described position block is arranged at the both sides of described positioning fixture, locates head and the afterbody of flexible packing lithium ion battery respectively.
One as the packaging system of the utility model flexible packing lithium ion battery is improved, and described block avoiding hollow groove is arranged at the side of described fixture cover plate, and the opposite side of described fixture cover plate is also provided with " L " v notch v with empty avoiding afterbody position block.
Relative to prior art, the utility model is by arranging positioning fixture, and groove that the lug for flexible packing lithium ion battery stretches out is set on positioning fixture and for carrying out spacing position block to the closedtop limit of flexible packing lithium ion battery, following beneficial effect can be realized: first, the utility model is positioned by the closedtop limit of position block to flexible packing lithium ion battery, but not of the prior art battery core main body wall to be positioned, can guarantee that the edge of aluminum plastic film during side seal stretches into the distance of keeping away glue groove certain, thus form stable Wei Feng district at the edge of aluminum plastic film, fluctuate in the location of bringing due to battery size tolerance when preventing from positioning battery, and then stopping aluminum plastic film, to stretch into the wide encapsulation caused of the width keeping away glue groove bad (because stretch into the aluminum plastic film kept away in glue groove and fail packed, if the width of non-encapsulated aluminum plastic film is wide, then can cause encapsulation bad), the second, the utility model is positioned by the closedtop limit of position block to flexible packing lithium ion battery, can effectively prevent PP to overflow glue.Because Wei Feng district can hold the unnecessary PP glue that encapsulation process produces, thus reach and eliminate PP and to overflow the object of glue, avoid excessive to be gluingly connected on upper cover and bottom head, thus effectively solve the encapsulation problems such as layering that glue problem of overflowing brings, seal super thick and spot.
Accompanying drawing explanation
Fig. 1 is location structure schematic diagram when carrying out side seal to battery in prior art.
Wherein:
10-battery, 20-main body wall, 30-lug, 40-closedtop limit.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is perspective view of the present utility model.
Fig. 4 is the structural representation adopting the utility model to position battery.
Fig. 5 is the structural representation adopting the utility model to encapsulate battery.
Wherein:
1-upper cover;
11-first keeps away glue groove, 12-upper cover main body, 13-upper cover edge sealing;
2-bottom head;
21-second keeps away glue groove, 22-bottom head main body, 23-bottom head edge sealing;
3-positioning fixture;
31-groove, 311-through hole, 32-position block;
4-battery;
41-lug, 42-closedtop limit, 43-aluminum plastic film, 44-Wei Feng district, 45-side sealing, 46-airbag;
5-fixture cover plate;
51-block avoiding hollow groove, 52-" L " v notch v;
6-connector.
Embodiment
Below in conjunction with specific embodiment and Figure of description, the utility model and beneficial effect thereof are described in more detail, but embodiment of the present utility model is not limited to this.
Embodiment 1, as shown in Figures 2 to 4, the packaging system of the flexible packing lithium ion battery that the present embodiment provides, comprise upper cover 1 and bottom head 2, upper cover 1 is provided with first and keeps away glue groove 11, bottom head 2 is provided with second and keeps away glue groove 21, this packaging system also comprises positioning fixture 3, positioning fixture 3 is provided with groove 31 that the lug 41 for flexible packing lithium ion battery 4 stretches out and for carrying out spacing position block 32 to the closedtop limit 42 of flexible packing lithium ion battery 4.
As shown in Figure 5, lug 41 to stretch out direction all parallel with the length direction of bottom head 2 with upper cover 1, positioned by the closedtop limit 42 of position block 32 pairs of flexible packing lithium ion batteries 4, can guarantee that the edge of aluminum plastic film 43 during side seal stretches into first and keeps away glue groove 11 and second to keep away the distance of glue groove 21 certain, fluctuate in the location of bringing due to battery 4 dimensional tolerance when preventing from positioning battery 4, and then stop first and keep away glue groove 11 and second to keep away width (aluminum plastic film 43 stretches into the width keeping away glue groove in other words) the wide encapsulation caused of the corresponding aluminum plastic film of glue groove 21 43 bad, and the stable Wei Feng district 44 of width can be formed at the edge of aluminum plastic film 43, Wei Feng district 44 contains the unnecessary PP glue that encapsulation process produces, thus reach and eliminate PP and to overflow the object of glue, avoid PP to overflow gluing being connected on upper cover 1 and bottom head 2, thus effectively solve the encapsulation problems such as layering that glue problem of overflowing brings, seal super thick and spot.
Wherein, the cross section of position block 32 is two-stage step (as shown in Figure 4), to realize the location to closedtop limit 42.
Packaging system also comprises fixture cover plate 5, and fixture cover plate 5 is connected to one end of positioning fixture 3 turningly.When being covered to positioning fixture 3 by fixture cover plate 5, the position corresponding to position block 32 of fixture cover plate 5 is provided with block avoiding hollow groove 51.With the supporting fixture cover plate 5 of positioning fixture 3 when battery 4 is placed not in place, correctly cannot close, thus remind operative employee, play the effect of fool proof.Specific description, owing to being reserved with the block avoiding hollow groove 51 corresponding with position block 32 on fixture cover plate 5, when battery 4 is placed not in place, fixture cover plate 5 cannot cover completely, and, operative employee can directly see from block avoiding hollow groove 51 battery 4 that placement is not in place by visual, thus can play foolproof function.In addition, fixture cover plate 5 can push down battery 4, and the location preventing from the position of battery 4 in mechanism's moving process from moving causing is forbidden.
Upper cover 1 comprises upper cover main body 12 and upper cover edge sealing 13, bottom head 2 comprises bottom head main body 22 and bottom head edge sealing 23, first keeps away the side that glue groove 11 is arranged at upper cover edge sealing 13, second keeps away the side that glue groove 21 is arranged at bottom head edge sealing 23, during encapsulation, first keeps away glue groove 11 and second keeps away glue groove 21 with the aluminum plastic film place plane of flexible packing lithium ion battery 4 for the plane of symmetry is arranged at the both sides of aluminum plastic film 43 symmetrically; And first keeps away glue groove 11 and second keeps away glue groove 21 and all correspond to the side sealing 45 of aluminum plastic film 43 and the edge of closedtop limit 42 cross section.The aluminum plastic film 43 being positioned at side sealing 45 and closedtop limit 42 cross section lives through a closedtop, when carrying out side seal again, be the equal of that secondary encapsulation is carried out to it, therefore the most easily there is PP to overflow glue, keep away glue groove 11 and second and keep away glue groove 21 by arranging first and can form the stable Wei Feng district 44 of width at the edge of aluminum plastic film 43, Wei Feng district 44 contains the unnecessary PP glue that encapsulation process produces, thus reaches and eliminate PP and to overflow the object of glue.
First to keep away the shape that glue groove 11 and second keeps away the interface of glue groove 21 can for rectangle, del or inverted trapezoidal etc., be rectangle in the present embodiment.
Positioning fixture 3 is connected by connector 6 with fixture cover plate 5, and connector 6 is set to hinge, can be the hinge shape of various connection functions; Also can be " C " shape spring clip.
In order to make the utility model can encapsulate two of battery 4 side, positioning fixture 3 is provided with two registration blocks 32, and two registration blocks 32 are arranged at the both sides of positioning fixture 3.Now, block avoiding hollow groove 51 is arranged at the side of fixture cover plate 5, the opposite side of fixture cover plate 5 is also provided with " L " v notch v 52, when fixture cover plate 5 is covered to positioning fixture 3, wherein a registration block 32 is positioned at block avoiding hollow groove 51, and another registration block 32 is positioned at " L " v notch v 52 place.
In addition, two registration blocks 32 the accommodation space that can also form battery 4 is set, if battery 4 is placed not in place, then battery 4 cannot be set level, and fixture cover plate 5 cannot cover, and so also can play the effect of fool proof.
Between the position block 32 of the side of positioning fixture 3, being provided with through hole 311, for locking screw stationary positioned fixture 3, position block 32 being provided with groove 31, for the lug 41 of placing battery 4, the visual lug spacing of width sets.
During use, first battery 4 is put into positioning fixture 3, its lug 41 is stretched out from groove 31, and its closedtop limit 42 is then against the vacancy of the position block 32 of step, then fixture cover plate 5 is covered, position block 32 is just in time stretched out from block avoiding hollow groove 51, and after having good positioning, bottom head 2 up moves, upper cover 1 down moves, close in the side seal district of battery 4, under certain temperature, time and pressure, the PP layer of two-layer aluminum plastic film 43 is merged, complete encapsulation process.
As shown in Figure 5, in encapsulation process, aluminum plastic film 43 stretches into first and keeps away the part formation Wei Feng district 44 that glue groove 11 and second keeps away glue groove 21, wherein, first keeps away glue groove 11 and second keeps away the width of width d1 depending on closedtop limit 42 that glue groove 21 falls into closedtop limit 42, General Requirements side sealing 45 is greater than 0.5mm with the package width d2 of the cross section on closedtop limit 42, to guarantee that side sealing 45 enough ensures package strength with the package width d2 of the cross section on closedtop limit 42.The width d3 in Wei Feng district 11 has certain control specification, and generally determined by the character of aluminum plastic film 43, General Requirements is greater than 0.1mm.Wei Feng district 44 contains the unnecessary PP glue that encapsulation process produces, thus reaches and eliminate PP and to overflow the object of glue.
It should be noted that, what in Fig. 5, two ends stretched out in that the parts of battery 4 represent is bottom head edge sealing 23 or upper cover edge sealing 13, the side sealing 45 close with airbag 46 is then positioned at immediately below these parts, and removal bottom head edge sealing 23 or upper cover edge sealing 13 can see this side sealing 45.
Simultaneously, adopt the mode that the closedtop limit 42 of battery 4 is positioned, can guarantee that aluminum plastic film 43 stretches into first and keeps away glue groove 11 and second to keep away the distance d1 of glue groove 21 certain (not in other words, aluminum plastic film 43 be positioned at first keep away below glue groove 11 width of (or be positioned at second keep away above glue groove 21)), ensure that the stability of the package width d2 of the stability of the width d3 in Wei Feng district 44 and the cross section on side sealing 45 and closedtop limit 42, the location fluctuation that the tolerance avoiding battery 4 is brought, and first can be prevented to keep away glue groove 11 and second, and to keep away above glue groove 21 the corresponding wide encapsulation caused of aluminum plastic film 43 width bad.
Certainly, Fig. 5 show only situation when encapsulating the side sealing 45 close with airbag 46, adopts the utility model can also to encapsulate the side sealing 45 away from airbag 46.
The announcement of book and elaboration according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should in the protection range of claim of the present utility model to equivalent modifications more of the present utility model and change.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. the packaging system of flexible packing lithium ion battery, comprise upper cover and bottom head, described upper cover is provided with first and keeps away glue groove, described bottom head is provided with second and keeps away glue groove, it is characterized in that: also comprise positioning fixture, described positioning fixture being provided with groove that the lug for flexible packing lithium ion battery stretches out and for carrying out spacing position block to the closedtop limit of flexible packing lithium ion battery.
2. the packaging system of flexible packing lithium ion battery according to claim 1, is characterized in that: the cross section of described position block is step.
3. the packaging system of flexible packing lithium ion battery according to claim 1 and 2, is characterized in that: described packaging system also comprises fixture cover plate, and described fixture cover plate is connected to one end of described positioning fixture turningly.
4. the packaging system of flexible packing lithium ion battery according to claim 3, is characterized in that: when being covered to described positioning fixture by described fixture cover plate, and the position corresponding to described position block of described fixture cover plate is provided with block avoiding hollow groove.
5. the packaging system of flexible packing lithium ion battery according to claim 1, it is characterized in that: described upper cover comprises upper cover main body and upper cover edge sealing, described bottom head comprises bottom head main body and bottom head edge sealing, described first keeps away the side that glue groove is arranged at described upper cover edge sealing, described second keeps away the side that glue groove is arranged at described bottom head edge sealing, during encapsulation, described first keeps away glue groove and described second keeps away glue groove with the aluminum plastic film place plane of flexible packing lithium ion battery for the plane of symmetry is arranged at the both sides of described aluminum plastic film symmetrically, and described first keeps away glue groove and described second keeps away glue groove and all correspond to the side sealing of described aluminum plastic film and the edge of closedtop limit cross section.
6. the packaging system of flexible packing lithium ion battery according to claim 3, is characterized in that: described positioning fixture is connected by connector with described fixture cover plate.
7. the packaging system of flexible packing lithium ion battery according to claim 6, is characterized in that: described connector is set to hinge or " C " shape spring clip.
8. the packaging system of flexible packing lithium ion battery according to claim 4, is characterized in that: described position block is arranged at the both sides of described positioning fixture.
9. the packaging system of flexible packing lithium ion battery according to claim 8, is characterized in that: described block avoiding hollow groove is arranged at the side of described fixture cover plate, and the opposite side of described fixture cover plate is also provided with " L " v notch v.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420473431.5U CN204088500U (en) | 2014-08-21 | 2014-08-21 | The packaging system of flexible packing lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420473431.5U CN204088500U (en) | 2014-08-21 | 2014-08-21 | The packaging system of flexible packing lithium ion battery |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107910598A (en) * | 2017-11-23 | 2018-04-13 | 惠州市华维机电设备有限公司 | A kind of efficient lithium ion battery edge sealing positioner |
| CN108281577A (en) * | 2018-02-28 | 2018-07-13 | 河南国能电池有限公司 | Soft-package battery closedtop end socket |
| CN108630836A (en) * | 2018-04-25 | 2018-10-09 | 广东国光电子有限公司 | A kind of discoid polymer Li-ion battery of Soft Roll makes edge sealing end socket and method |
| CN109004282A (en) * | 2018-07-25 | 2018-12-14 | 柔电（武汉）科技有限公司 | Ultra-thin soft package lithium battery end socket, closing end component, packaging system and packaging method |
| CN109473575A (en) * | 2018-12-10 | 2019-03-15 | 优科能源(漳州)有限公司 | A kind of lithium battery Soft Roll top, side packing all-in-one machine and packaging method |
| CN110265703A (en) * | 2019-06-21 | 2019-09-20 | 珠海冠宇电池有限公司 | A kind of two envelope techniques of soft-package battery |
| CN111326681A (en) * | 2018-12-14 | 2020-06-23 | 微宏动力系统（湖州）有限公司 | Soft package battery core and battery system |
| CN112563580A (en) * | 2020-11-30 | 2021-03-26 | 合肥国轩高科动力能源有限公司 | Manufacturing method of soft-package lithium battery capable of improving poor insulation |
| CN112820989A (en) * | 2021-01-15 | 2021-05-18 | 凤凰浩然科技有限公司 | Two-seal end socket structure and using method thereof |
| CN113241466A (en) * | 2021-05-11 | 2021-08-10 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN113330628A (en) * | 2020-03-24 | 2021-08-31 | 东莞新能安科技有限公司 | Electrochemical device and electronic device |
| CN113839081A (en) * | 2021-08-12 | 2021-12-24 | 曙鹏科技（深圳）有限公司 | Preparation method of lithium ion battery |
| CN115642290A (en) * | 2022-12-24 | 2023-01-24 | 河南锂动电源有限公司 | Automatic edge sealing device for soft package battery |
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2014
- 2014-08-21 CN CN201420473431.5U patent/CN204088500U/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107910598A (en) * | 2017-11-23 | 2018-04-13 | 惠州市华维机电设备有限公司 | A kind of efficient lithium ion battery edge sealing positioner |
| CN108281577A (en) * | 2018-02-28 | 2018-07-13 | 河南国能电池有限公司 | Soft-package battery closedtop end socket |
| CN108630836A (en) * | 2018-04-25 | 2018-10-09 | 广东国光电子有限公司 | A kind of discoid polymer Li-ion battery of Soft Roll makes edge sealing end socket and method |
| CN108630836B (en) * | 2018-04-25 | 2020-09-22 | 广东国光电子有限公司 | Edge sealing end socket and method for manufacturing soft-packaged disc-shaped polymer lithium ion battery |
| CN109004282A (en) * | 2018-07-25 | 2018-12-14 | 柔电（武汉）科技有限公司 | Ultra-thin soft package lithium battery end socket, closing end component, packaging system and packaging method |
| CN109004282B (en) * | 2018-07-25 | 2023-11-03 | 柔电（武汉）科技有限公司 | Sealing head for ultrathin soft-package lithium battery, sealing head assembly, packaging device and packaging method |
| CN109473575A (en) * | 2018-12-10 | 2019-03-15 | 优科能源(漳州)有限公司 | A kind of lithium battery Soft Roll top, side packing all-in-one machine and packaging method |
| CN111326681A (en) * | 2018-12-14 | 2020-06-23 | 微宏动力系统（湖州）有限公司 | Soft package battery core and battery system |
| CN111326681B (en) * | 2018-12-14 | 2024-04-23 | 微宏公司 | Soft packet of electric core and battery system |
| CN110265703A (en) * | 2019-06-21 | 2019-09-20 | 珠海冠宇电池有限公司 | A kind of two envelope techniques of soft-package battery |
| CN113330628A (en) * | 2020-03-24 | 2021-08-31 | 东莞新能安科技有限公司 | Electrochemical device and electronic device |
| EP4113645A4 (en) * | 2020-03-24 | 2023-10-18 | Dongguan Poweramp Technology Limited | Electrochemical device and electronic device |
| CN112563580A (en) * | 2020-11-30 | 2021-03-26 | 合肥国轩高科动力能源有限公司 | Manufacturing method of soft-package lithium battery capable of improving poor insulation |
| CN112563580B (en) * | 2020-11-30 | 2022-06-03 | 合肥国轩高科动力能源有限公司 | Manufacturing method of soft-package lithium battery capable of improving poor insulation |
| CN112820989A (en) * | 2021-01-15 | 2021-05-18 | 凤凰浩然科技有限公司 | Two-seal end socket structure and using method thereof |
| CN113241466B (en) * | 2021-05-11 | 2022-07-26 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN113241466A (en) * | 2021-05-11 | 2021-08-10 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN113839081A (en) * | 2021-08-12 | 2021-12-24 | 曙鹏科技（深圳）有限公司 | Preparation method of lithium ion battery |
| CN115642290A (en) * | 2022-12-24 | 2023-01-24 | 河南锂动电源有限公司 | Automatic edge sealing device for soft package battery |
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