CN214957080U - Cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery - Google Patents
Cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery Download PDFInfo
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- CN214957080U CN214957080U CN202120679905.1U CN202120679905U CN214957080U CN 214957080 U CN214957080 U CN 214957080U CN 202120679905 U CN202120679905 U CN 202120679905U CN 214957080 U CN214957080 U CN 214957080U
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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
The application provides a cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery. The cylindrical soft package battery packaging structure comprises an aluminum plastic film packaging sleeve, an annular fixed adhesive tape and an annular adhesive coating. The aluminum plastic film packaging sleeve comprises a cylindrical sleeve body part and an annular edge sealing part, the annular edge sealing part is connected to the side wall of the cylindrical sleeve body part in a surrounding mode, and one side of the annular edge sealing part is attached to the side wall of the cylindrical sleeve body part. Annular edge sealing portion is located to annular fixed adhesive tape cover, and the medial surface of annular fixed adhesive tape bonds with the one side that annular edge sealing portion deviates from cylinder cover somatic part. The annular glue coating layer is coated on the annular fixed rubber strip, and the inner side surface of the annular glue coating layer is bonded with the outer side surface of the annular fixed rubber strip. Because annular rubber coating cladding and paste with the lateral surface of annular fixed adhesive tape, can play support and reinforcement effect to annular fixed adhesive tape and annular edge sealing portion for stable pasting of annular fixed adhesive tape plays the effect that prevents annular edge sealing portion and stick up on annular edge sealing portion.
Description
Technical Field
The utility model relates to a laminate polymer battery field especially relates to a cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery.
Background
The soft package battery is a battery variety which is packaged with a battery roll core and electrolyte through an aluminum plastic film, and has the advantages of good safety, strong quality and high energy density of the battery, so that the soft package battery is widely applied to the digital product and power application markets.
In laminate polymer battery's course of working, two back of the process of sealing of laminate polymer battery, need carry out the processing of buckling of banding to laminate polymer battery, in order to improve laminate polymer battery's seal reliability and make laminate polymer battery's size specification not exceed standard, however, traditional cylindrical laminate polymer battery is after the processing of buckling of accomplishing the banding, because cylindrical laminate polymer battery's lateral wall is the arc surface, buckle the banding of battery to the lateral wall of battery when, the banding will produce the fold, again because the banding produces the fold, make the banding can't be attached to the lateral wall of battery betterly, and then make the banding take place the perk easily, lead to the seal reliability of banding to descend, and then influence laminate polymer battery's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide one kind can prevent to buckle the back loose or perk of borduring, can improve the leakproofness and the reliability of borduring and can improve laminate polymer battery life's cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery.
The purpose of the utility model is realized through the following technical scheme:
a cylindrical laminate battery packaging structure comprises:
the aluminum plastic film packaging sleeve comprises a cylindrical sleeve body part and an annular edge sealing part, wherein the annular edge sealing part is connected to the side wall of the cylindrical sleeve body part in a surrounding manner, and one surface of the annular edge sealing part is attached to the side wall of the cylindrical sleeve body part;
the annular fixing rubber strip is sleeved on the annular sealing edge part, and the inner side surface of the annular fixing rubber strip is bonded with one surface of the annular sealing edge part, which is far away from the cylindrical sleeve body part;
the annular gluing layer is coated on the annular fixed rubber strip, and the inner side surface of the annular gluing layer is bonded with the outer side surface of the annular fixed rubber strip.
In one embodiment, the outer edge of the annular bead portion is flush with the bottom surface of the cylindrical sleeve portion.
In one embodiment, the aluminum-plastic film packaging sleeve further comprises an adhesive part, the adhesive part is arranged between the side wall of the cylindrical sleeve body part and the annular edge sealing part, and the adhesive part is respectively adhered to the side wall of the cylindrical sleeve body part and the annular edge sealing part.
In one embodiment, the bonding portion is a circular sheet-shaped structure, and the bonding portion is wrapped on the side wall of the cylindrical sleeve portion.
In one embodiment, the outer side surface of the annular rubber-coated layer is provided with a smooth part.
In one embodiment, the outer side surface of the annular fixing rubber strip is provided with a corona part, and the corona part is bonded with the inner side surface of the annular rubber coating.
In one embodiment, the width of the annular fixing rubber strip is equal to the width of the side wall of the cylindrical sleeve body part.
In one embodiment, the annular rubber-coated layer has a width equal to the width of the side wall of the cylindrical sleeve portion.
In one embodiment, the annular bead portion is connected to a centerline of the sidewall of the cylindrical sleeve portion.
The utility model provides a cylindrical laminate polymer battery, cylindrical laminate polymer battery include above-mentioned any embodiment cylindrical laminate polymer battery packaging structure.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. because the fixed adhesive tape cover of annular is established and is pasted on annular edge sealing portion, can play the effect of fixed annular edge sealing portion for annular edge sealing portion closely laminates on the lateral wall of cylinder cover somatic part, avoids annular edge sealing portion because of loose expansion from the lateral wall perk of cylinder cover somatic part, lead to annular edge sealing portion protrusion and receive the condition of damage.
2. Because annular rubber coating cladding and paste with the lateral surface of annular fixed adhesive tape, can play support and reinforcement effect to annular fixed adhesive tape and annular edge sealing portion for stable pasting of annular fixed adhesive tape is on annular edge sealing portion, and then makes the attached structural stability who overlaps the somatic part lateral wall in cylinder of annular edge sealing portion promote, plays the effect that prevents annular edge sealing portion perk.
3. Annular rubber coating can play the guard action to annular fixed adhesive tape and annular edge sealing portion, prevents that external object from directly destroying annular fixed adhesive tape and annular edge sealing portion, and then improves plastic-aluminum membrane packaging structure's sealing reliability, plays the effect that improves cylindrical laminate polymer battery's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a cylindrical pouch battery packaging structure in an embodiment;
fig. 2 is a schematic cross-sectional view of the cylindrical pouch battery packaging structure shown in fig. 1;
fig. 3 is a partially enlarged schematic view of the cylindrical pouch battery packaging structure shown in fig. 1 at a.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the cylindrical pouch battery packaging structure 10 of an embodiment includes an aluminum-plastic film packaging sleeve 100, an annular fixing adhesive tape 200, and an annular adhesive layer 300. As shown in fig. 2 and 3, the aluminum-plastic film packaging sleeve 100 includes a cylindrical sleeve body portion 110 and an annular edge sealing portion 120, the annular edge sealing portion 120 is connected around the side wall of the cylindrical sleeve body portion 110, and one surface of the annular edge sealing portion 120 is attached to the side wall of the cylindrical sleeve body portion 110. The annular fixing rubber strip 200 is sleeved on the annular edge sealing portion 120, and the inner side surface of the annular fixing rubber strip 200 is bonded with the surface of the annular edge sealing portion 120 departing from the cylindrical sleeve body portion 110. The annular glue coating layer 300 is coated on the annular fixed rubber strip 200, and the inner side surface of the annular glue coating layer 300 is bonded with the outer side surface of the annular fixed rubber strip 200.
In this embodiment, the cylindrical soft package battery packaging structure 10 includes an aluminum-plastic film packaging cover 100, an annular fixing adhesive tape 200 and an annular adhesive layer 300, wherein the aluminum-plastic film packaging cover 100 includes a cylindrical cover body portion 110 and an annular edge sealing portion 120, in the process of manufacturing the soft package battery, after the soft package battery semi-finished product is formed, two seals are performed on the soft package battery semi-finished product, the aluminum-plastic film after the two seals is completed forms the aluminum-plastic film packaging cover 100 including the cylindrical cover body portion 110 and the annular edge sealing portion 120, the cylindrical cover body portion 110 is used for protecting the electric core and the electrolyte of the soft package battery, the annular edge sealing portion 120 is bent and attached to the side wall of the cylindrical cover body portion 110, so that the protrusion of the annular edge sealing portion 120 can be avoided, further the damage to the annular edge sealing portion 120 is reduced, the effect of prolonging the service life of the soft package battery is achieved, and the occupied space of the soft package battery can be reduced, the energy density of the battery is improved.
Further, annular fixed adhesive tape 200 overlaps on annular edge sealing portion 120, and the medial surface of annular fixed adhesive tape 200 with annular edge sealing portion 120 deviates from the one side bonding of cylinder cover portion 110, annular fixed adhesive tape 200 is the strip electron yellow glue of encircleing the pasting on annular edge sealing portion 120, because annular fixed adhesive tape 200 overlaps and pastes on annular edge sealing portion 120, can play the effect of fixed annular edge sealing portion 120, make annular edge sealing portion 120 laminate closely on the lateral wall of cylinder cover portion 110, avoid annular edge sealing portion 120 because of loose expansion from the lateral wall upwarp of cylinder cover portion 110, lead to annular edge sealing portion 120 protrusion and receive the condition of damage. Further, the annular glue coating layer 300 covers the annular fixed glue strip 200, the inner side surface of the annular glue coating layer 300 is bonded with the outer side surface of the annular fixed glue strip 200, the annular glue coating layer 300 is protective glue coated on the annular fixed glue strip 200, and the annular glue coating layer 300 is formed after the protective glue is solidified, so that the annular fixed glue strip 200 and the annular edge sealing part 120 can be supported and reinforced by the annular glue coating layer 300 which covers and is adhered to the outer side surface of the annular fixed glue strip 200, the annular fixed glue strip 200 is stably adhered to the annular edge sealing part 120, the structural stability of the annular edge sealing part 120 attached to the side wall of the cylindrical sleeve body part 110 is improved, and the effect of preventing the annular edge sealing part 120 from tilting is achieved; simultaneously, annular rubber coating 300 can play the guard action to annular fixed adhesive tape 200 and annular edge sealing portion 120, prevents that external object from directly destroying annular fixed adhesive tape 200 and annular edge sealing portion 120, and then improves plastic-aluminum membrane packaging structure's sealing reliability, plays the effect that improves cylindrical laminate polymer battery's life.
In one embodiment, as shown in fig. 2 and 3, the outer edge of the annular bead portion 120 is flush with the bottom surface of the cylindrical sleeve portion 110. In this embodiment, the outer fringe of annular seal portion 120 and the bottom surface parallel and level of cylinder cover portion 110, be that annular seal portion 120 is after buckling promptly, the edge of annular seal portion 120 is buckled to the handing-over position of the side of cylinder cover portion 110 and bottom surface just, so, can make annular seal portion 120 the great degree cover cylinder cover portion 110's lateral wall after buckling for the planarization of the lateral wall of plastic-aluminum membrane encapsulation cover 100 is better, help making things convenient for annular fixed adhesive tape 200 to encircle on annular seal portion 120 and paste.
As shown in fig. 2 and 3, in one embodiment, the aluminum-plastic film package 100 further includes an adhesive portion 130, the adhesive portion 130 is disposed between the sidewall of the cylindrical housing portion 110 and the annular sealing portion 120, and the adhesive portion 130 is respectively adhered to the sidewall of the cylindrical housing portion 110 and the annular sealing portion 120. In this embodiment, the aluminum-plastic film packaging sleeve 100 further includes a bonding portion 130, the bonding portion 130 is disposed between the side wall of the cylindrical sleeve body portion 110 and the annular edge sealing portion 120, the bonding portion 130 is used for bonding the side wall of the cylindrical sleeve body portion 110 with the annular edge sealing portion 120, the bonding portion 130 is bonding glue coated on the side wall of the cylindrical sleeve body portion 110 when the annular edge sealing portion 120 is not bent, after the annular edge sealing portion 120 is bent to the side wall of the cylindrical sleeve body portion 110, the bonding glue bonds the side wall of the cylindrical sleeve body portion 110 with the annular edge sealing portion 120, the bonding portion 130 is formed after the bonding glue is solidified, the bonding portion 130 bonds the annular edge sealing portion 120 with the cylindrical sleeve body portion 110, so that the annular edge sealing portion 120 is tightly bonded to the side wall of the cylindrical sleeve body portion 110, which can prevent the annular edge sealing portion 120 from rising, and further improves the sealing performance and reliability of the aluminum-plastic film packaging sleeve 100.
As shown in fig. 2 and 3, in one embodiment, the bonding portion 130 is a circular sheet-shaped structure, and the bonding portion 130 covers the sidewall of the cylindrical sleeve portion 110. In one embodiment, the bonding portion 130 is an annular sheet-shaped structure wrapped on the sidewall of the cylindrical sleeve portion 110, that is, when the annular edge sealing portion 120 is not bent, the bonding glue is uniformly coated on the sidewall of the cylindrical sleeve portion 110, so that the bonding glue is coated on the sidewall of the cylindrical sleeve portion 110 all around, which is helpful for increasing the bonding range between the annular edge sealing portion 120 and the cylindrical sleeve portion 110, and avoiding the tilting of the local annular edge sealing portion 120 due to the non-bonding with the cylindrical sleeve portion 110, thereby improving the sealing performance and reliability of the aluminum-plastic film packaging sleeve 100.
Because annular rubber coating 300 is solidifying the back, its thickness and roughness on surface are great, even have the condition of annular rubber coating 300's surface unevenness for laminate polymer battery holistic outward appearance is relatively poor, and laminate polymer battery's specification is also unqualified. To this end, as shown in figures 2 and 3, in one of the embodiments, the outer side of said annular rubber-coated layer 300 is provided with a smoothing. After polishing annular rubber coating 300 after solidifying, the lateral surface of annular rubber coating 300 just is formed with smooth portion, and the roughness of smooth portion is lower for laminate polymer battery's outward appearance is more pleasing to the eye, simultaneously, polishes annular rubber coating 300 and forms smooth portion, can eliminate the unsmooth condition of please in annular rubber coating 300 surface, makes laminate polymer battery's size accord with predetermined standard.
As shown in fig. 2 and 3, in one embodiment, the outer side surface of the annular fixing rubber strip 200 is provided with a corona portion, and the corona portion is bonded to the inner side surface of the annular rubber-coated layer 300. In this embodiment, the lateral surface of annular fixed rubber strip 200 is provided with corona portion, carry out corona treatment to the surface of strip electron yellow gum, and encircle to paste electron yellow gum on annular edge sealing portion 120, the annular fixed rubber strip 200 that the lateral surface was provided with corona portion has been formed promptly, the micropore that the countless corona formed has in the corona portion, the micropore can increase annular fixed rubber strip 200's lateral surface area, when scribbling protection glue on annular fixed rubber strip 200, protection glue will permeate in the micropore of corona portion, treat that glue solidifies behind the formation annular rubber coating 300, can effectively increase annular rubber coating 300 and annular fixed rubber strip 200's adhesion strength, and then strengthen annular rubber coating 300 to annular fixed rubber strip 200 and annular edge sealing portion 120's support and additional strengthening.
As shown in fig. 2 and 3, in one embodiment, the width of the annular fixing rubber strip 200 is equal to the width of the sidewall of the cylindrical sleeve portion 110. In this embodiment, because the width of annular fixed adhesive tape 200 equals with the lateral wall width of cylinder cover somatic part 110, annular fixed adhesive tape 200 can be with the whole lateral wall of plastic-aluminum membrane encapsulation cover 100 when encircleing and pasting annular edge sealing portion 120 whole covers, not only can increase the fixed action of annular fixed adhesive tape 200 to annular edge sealing portion 120, can increase the side roughness after plastic-aluminum membrane encapsulation cover 100 is encircleed the cladding simultaneously, make the coating better at the surface smoothness of the annular rubber coating 300 that the protection glue solidification formed on annular fixed adhesive tape 200, and then make laminate polymer battery's overall dimension more accord with the default.
As shown in fig. 2 and 3, in one embodiment, the annular rubber-coated layer 300 has a width equal to the width of the side wall of the cylindrical sleeve portion 110. In this embodiment, because the width of annular rubber coating 300 equals with the lateral wall width of cylinder cover portion 110 for annular rubber coating 300 is around coating annular fixed adhesive tape 200 after, annular rubber coating 300 can be with laminate polymer battery's lateral wall all covers, not only can strengthen the fixed action of annular rubber coating 300 to annular fixed adhesive tape 200 and annular edge sealing portion 120, and laminate polymer battery lateral wall's roughness is better, makes laminate polymer battery's overall dimension more accord with the default.
In one embodiment, as shown in fig. 2 and 3, the annular bead portion 120 is connected to the center line of the sidewall of the cylindrical sleeve portion 110. In this embodiment, the annular edge sealing portion 120 is connected to the central line of the side wall of the cylindrical sleeve portion 110, that is, when the aluminum-plastic film is used for punching the electric core accommodating groove, two completely symmetrical electric core accommodating grooves are punched on the aluminum-plastic film, and then the aluminum-plastic film is folded in half, that is, the cylindrical sleeve portion 110 and the annular edge sealing portion 120 located on the central line of the side wall of the cylindrical sleeve portion 110 are formed, so that the condition that the stretching amplitude of the aluminum-plastic film is too large when a single electric core accommodating groove is punched on the aluminum-plastic film can be avoided, so that the cylindrical sleeve portion 110 has better protective strength, and the cylindrical sleeve portion 110 can be better prevented from being broken.
The application still provides a cylindrical laminate polymer battery, cylindrical laminate polymer battery includes above-mentioned arbitrary embodiment cylindrical laminate polymer battery packaging structure 10. In one embodiment, the cylindrical pouch battery packaging structure 10 includes an aluminum-plastic film packaging sleeve 100, an annular fixing adhesive tape 200 and an annular adhesive layer 300. The aluminum-plastic film packaging sleeve 100 comprises a cylindrical sleeve body part 110 and an annular edge sealing part 120, wherein the annular edge sealing part 120 is connected to the side wall of the cylindrical sleeve body part 110 in a surrounding mode, and one side of the annular edge sealing part 120 is attached to the side wall of the cylindrical sleeve body part 110. The annular fixing rubber strip 200 is sleeved on the annular edge sealing portion 120, and the inner side surface of the annular fixing rubber strip 200 is bonded with the surface of the annular edge sealing portion 120 departing from the cylindrical sleeve body portion 110. The annular glue coating layer 300 is coated on the annular fixed rubber strip 200, and the inner side surface of the annular glue coating layer 300 is bonded with the outer side surface of the annular fixed rubber strip 200.
In this embodiment, the cylindrical soft package battery packaging structure 10 includes an aluminum-plastic film packaging cover 100, an annular fixing adhesive tape 200 and an annular adhesive layer 300, wherein the aluminum-plastic film packaging cover 100 includes a cylindrical cover body portion 110 and an annular edge sealing portion 120, in the process of manufacturing the soft package battery, after the soft package battery semi-finished product is formed, two seals are performed on the soft package battery semi-finished product, the aluminum-plastic film after the two seals is completed forms the aluminum-plastic film packaging cover 100 including the cylindrical cover body portion 110 and the annular edge sealing portion 120, the cylindrical cover body portion 110 is used for protecting the electric core and the electrolyte of the soft package battery, the annular edge sealing portion 120 is bent and attached to the side wall of the cylindrical cover body portion 110, so that the protrusion of the annular edge sealing portion 120 can be avoided, further the damage to the annular edge sealing portion 120 is reduced, the effect of prolonging the service life of the soft package battery is achieved, and the occupied space of the soft package battery can be reduced, the energy density of the battery is improved.
Further, annular fixed adhesive tape 200 overlaps on annular edge sealing portion 120, and the medial surface of annular fixed adhesive tape 200 with annular edge sealing portion 120 deviates from the one side bonding of cylinder cover portion 110, annular fixed adhesive tape 200 is the strip electron yellow glue of encircleing the pasting on annular edge sealing portion 120, because annular fixed adhesive tape 200 overlaps and pastes on annular edge sealing portion 120, can play the effect of fixed annular edge sealing portion 120, make annular edge sealing portion 120 laminate closely on the lateral wall of cylinder cover portion 110, avoid annular edge sealing portion 120 because of loose expansion from the lateral wall upwarp of cylinder cover portion 110, lead to annular edge sealing portion 120 protrusion and receive the condition of damage. Further, the annular glue coating layer 300 covers the annular fixed glue strip 200, the inner side surface of the annular glue coating layer 300 is bonded with the outer side surface of the annular fixed glue strip 200, the annular glue coating layer 300 is protective glue coated on the annular fixed glue strip 200, and the annular glue coating layer 300 is formed after the protective glue is solidified, so that the annular fixed glue strip 200 and the annular edge sealing part 120 can be supported and reinforced by the annular glue coating layer 300 which covers and is adhered to the outer side surface of the annular fixed glue strip 200, the annular fixed glue strip 200 is stably adhered to the annular edge sealing part 120, the structural stability of the annular edge sealing part 120 attached to the side wall of the cylindrical sleeve body part 110 is improved, and the effect of preventing the annular edge sealing part 120 from tilting is achieved; simultaneously, annular rubber coating 300 can play the guard action to annular fixed adhesive tape 200 and annular edge sealing portion 120, prevents that external object from directly destroying annular fixed adhesive tape 200 and annular edge sealing portion 120, and then improves plastic-aluminum membrane packaging structure's sealing reliability, plays the effect that improves cylindrical laminate polymer battery's life.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a cylindrical laminate polymer battery packaging structure which characterized in that includes:
the aluminum plastic film packaging sleeve comprises a cylindrical sleeve body part and an annular edge sealing part, wherein the annular edge sealing part is connected to the side wall of the cylindrical sleeve body part in a surrounding manner, and one surface of the annular edge sealing part is attached to the side wall of the cylindrical sleeve body part;
the annular fixing rubber strip is sleeved on the annular sealing edge part, and the inner side surface of the annular fixing rubber strip is bonded with one surface of the annular sealing edge part, which is far away from the cylindrical sleeve body part;
the annular gluing layer is coated on the annular fixed rubber strip, and the inner side surface of the annular gluing layer is bonded with the outer side surface of the annular fixed rubber strip.
2. The cylindrical pouch battery packaging structure according to claim 1, wherein the outer edge of the annular sealing edge part is flush with the bottom surface of the cylindrical sleeve part.
3. The cylindrical soft-package battery packaging structure according to claim 1, wherein the aluminum-plastic film packaging sleeve further comprises an adhesive portion, the adhesive portion is disposed between the side wall of the cylindrical sleeve body portion and the annular edge sealing portion, and the adhesive portion is respectively adhered to the side wall of the cylindrical sleeve body portion and the annular edge sealing portion.
4. The cylindrical soft-package battery packaging structure according to claim 3, wherein the bonding portion is a circular sheet structure, and the bonding portion is wrapped on the side wall of the cylindrical sleeve portion.
5. The cylindrical pouch battery packaging structure according to claim 1, wherein the outer side surface of the annular glue coating layer is provided with a smooth part.
6. The packaging structure of the cylindrical soft package battery according to claim 1, wherein a corona part is arranged on the outer side surface of the annular fixing rubber strip, and the corona part is bonded with the inner side surface of the annular rubber coating layer.
7. The cylindrical pouch battery packaging structure according to claim 1, wherein the width of the annular fixing rubber strip is equal to the width of the side wall of the cylindrical sleeve body part.
8. The cylindrical pouch cell package structure of claim 1, wherein the annular glue layer has a width equal to the width of the sidewall of the cylindrical sleeve portion.
9. The cylindrical pouch battery packaging structure according to claim 1, wherein the annular edge sealing part is connected to the center line of the side wall of the cylindrical sleeve body part.
10. A cylindrical pouch battery, characterized in that, the cylindrical pouch battery comprises the cylindrical pouch battery packaging structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120679905.1U CN214957080U (en) | 2021-04-02 | 2021-04-02 | Cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120679905.1U CN214957080U (en) | 2021-04-02 | 2021-04-02 | Cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery |
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| Publication Number | Publication Date |
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| CN214957080U true CN214957080U (en) | 2021-11-30 |
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| CN202120679905.1U Active CN214957080U (en) | 2021-04-02 | 2021-04-02 | Cylindrical laminate polymer battery packaging structure and cylindrical laminate polymer battery |
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- 2021-04-02 CN CN202120679905.1U patent/CN214957080U/en active Active
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