CN107293652A - Pack seal structure and preparation method thereof and flexible-packed battery - Google Patents
Pack seal structure and preparation method thereof and flexible-packed battery Download PDFInfo
- Publication number
- CN107293652A CN107293652A CN201610220102.3A CN201610220102A CN107293652A CN 107293652 A CN107293652 A CN 107293652A CN 201610220102 A CN201610220102 A CN 201610220102A CN 107293652 A CN107293652 A CN 107293652A
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- Prior art keywords
- layers
- packaging
- packaging film
- seal structure
- insulation
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- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 170
- 239000012785 packaging film Substances 0.000 claims abstract description 82
- 229920006280 packaging film Polymers 0.000 claims abstract description 82
- 238000004806 packaging method and process Methods 0.000 claims abstract description 68
- 238000009413 insulation Methods 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 38
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- 238000007731 hot pressing Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides one kind packaging seal structure and preparation method thereof and flexible-packed battery.The packaging seal structure includes being heat-sealed two layers of packaging film together, and each layer packaging film includes insulating protective layer, insulation hot sealing layer and core metal layer.Wherein, in the package perimeter region of packaging seal structure, the insulation hot sealing layer of two layers of packaging film is facing with each other and is melted into one, to form the insulation fused layers that two layers of packaging film sealing bonds together.Insulation fused layers are formed with：Excessive portion, outside the outer face for the core metal layer for spilling into two layers of packaging film to the edge in the package perimeter region of packaging seal structure from insulation fused layers and the outer face of the core metal layer of two layers of packaging film is coated completely, so that outer face and the exterior insulation of the core metal layer of two layers of packaging film.This simply and effectively insulation mode improves insulation effect, it is therefore prevented that with external world's short circuit.
Description
Technical field
Seal structure and preparation method thereof and flexible-packed battery are packed the present invention relates to field of batteries, more particularly to one kind.
Background technology
In the prior art, conventional packaging seal structure 1 includes being heat-sealed two layers of packaging film 11 together, each layer bag
Dress film 11 includes：Insulating protective layer 111 positioned at outside, the insulation hot sealing layer 112 positioned at inner side and it is laminated in insulation protection
Core metal layer 113 between layer 111 and insulation hot sealing layer 112.Wherein, in the package perimeter region 12 of packaging seal structure 1,
The insulation hot sealing layer 112 of two layers of packaging film 11 is facing with each other and is melted into one, and two layers of packaging film 11 is sealed into bonding to be formed
Insulation fused layers 13 together.Then the corresponding core metal layer in cladding package perimeter region 12 is pasted using insulating cement S
113 end face, to prevent and external world's short circuit.But, the packaging seal structure 1 is only applicable to constitute the envelope in package perimeter region 12
Side coats for the stickup of straight flange, is coated for the stickup that the special-shaped edge sealings such as L-type or circle are difficult to insulating cement S.In addition, pasting
Insulating cement S can increase the whole width size of battery core, cause energy density to lose, and add the Material Cost of battery core.
The content of the invention
In view of problem present in background technology, it is an object of the present invention to provide one kind packaging seal structure and its
Preparation method and flexible-packed battery, pack the simple in construction of seal structure, wide using scope, can be real to variously-shaped edge sealing
Now insulate adhesive seal, improves the insulation effect of packaging seal structural edge, prevents and external world's short circuit.
It is another object of the present invention to provide one kind packaging seal structure and preparation method thereof and flexible-packed battery, bag
The preparation method for filling seal structure is simple to operate, and the energy density of battery core is improved when applied to flexible-packed battery.
It is soft it is yet a further object of the present invention to provide one kind packaging seal structure and preparation method thereof and flexible-packed battery
Battery pack can simply and effectively be suitable to large-scale production, reduce cost.
To achieve these goals, in a first aspect, packing seal structure the invention provides one kind, it includes being heat-sealed
Two layers of packaging film together, each layer packaging film includes：Insulating protective layer, positioned at outside；Insulate hot sealing layer, positioned at inner side；With
And core metal layer, it is laminated between insulating protective layer and insulation hot sealing layer.Wherein, in the package perimeter area of packaging seal structure
Domain, the insulation hot sealing layer of two layers of packaging film is facing with each other and is melted into one, and two layers of packaging film sealing is bonded in into one to be formed
The insulation fused layers risen.Insulation fused layers are formed with：Excessive portion, from insulation fused layers to the package perimeter area of packaging seal structure
The edge in domain is spilt into outside the outer face of the core metal layer of two layers of packaging film and by outside the core metal layer of two layers of packaging film
End face is coated completely, so that outer face and the exterior insulation of the core metal layer of two layers of packaging film.
To achieve these goals, in second aspect, the invention provides it is a kind of pack seal structure preparation method, its
For preparing packaging seal structure according to a first aspect of the present invention, including step：Pending packaging seal structure is provided, treated
The packaging seal structure of processing includes being heat-sealed two layers of packaging film together, and the insulation that each layer packaging film includes positioned at outside is protected
Sheath, the insulation hot sealing layer positioned at inner side and be laminated in insulating protective layer insulation hot sealing layer between core metal layer；So
Two layers of packaging film is laminated afterwards, so that the insulation hot sealing layer of two layers of packaging film is facing with each other；Followed by hot pressing mechanism from
The both direction up and down of packaging film after stacking is while the whole package perimeter regions or partial encapsulation peripheral region of autoclave package film
Domain, is melted into one the corresponding hot sealing layer of insulation up and down in package perimeter region, is bonded in two layers of packaging film sealing with being formed
Insulation fused layers together；The outward flange of last further packaging by hot pressing neighboring area, to be formed from insulation fused layers to packaging
Wrapped outside the outer face for the core metal layer that the edge in the package perimeter region of seal structure spills into two layers of packaging film and by two layers
Fill the excessive portion that coats completely of outer face of the core metal layer of film so that the outer face of the core metal layer of two layers of packaging film with
Exterior insulation.
To achieve these goals, in the third aspect, the invention provides a kind of flexible-packed battery, it has according to this hair
Naked battery core is contained in the packaging seal structure of bright first aspect, packaging seal structure.
Beneficial effects of the present invention are as follows：
In packaging seal structure according to a first aspect of the present invention, in the package perimeter region of packaging seal structure, two
The insulation hot sealing layer of layer packaging film is facing with each other and is melted into one with adhesive seal package perimeter region, and the fused layers that insulate
Excessive portion is wrapped by the outer face of the core metal layer of two layers of packaging film completely
Cover, with the outer face of the core metal layer of realizing two layers of packaging film and outside insulation.It is this simply and effectively exhausted
Edge mode improves insulation effect, prevents and external world's short circuit.And the overall structure of the packaging seal structure of the present invention is simple, uses
Scope is wide, and insulation adhesive seal can be realized to variously-shaped edge sealing.
In the preparation method of packaging seal structure according to a second aspect of the present invention, encapsulated by the whole to packaging film
Neighboring area or partial encapsulation neighboring area carry out hot pressing twice, to form the complete core metal layer for coating two layers of packaging film
The excessive portion of outer face.The preparation method is simple to operate, and the energy density of battery core can be improved when applied to flexible-packed battery.
In the flexible-packed battery according to the present invention, by using packaging seal structure according to a first aspect of the present invention,
And preparation method of the seal structure using packaging seal structure according to a second aspect of the present invention is packed, so as to improve flexible package
The energy density of the naked battery core of battery.And the flexible-packed battery of the present invention is simple in construction, suitable for large-scale production, reduce into
This.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of packaging seal structure of the prior art；
Fig. 2 is the overall schematic that square flexible-packed battery is applied to according to the packaging seal structure of the present invention；
Fig. 3 is the enlarged cut-away figure of the encircled portion in Fig. 2；
Fig. 4 is the side seal position in Fig. 3 partial perspective view, and the package perimeter region of position corresponding diagram 2, wherein corresponding
The position of lug is closedtop position；
Fig. 5 is the partial schematic diagram that circular flexible-packed battery is applied to according to the packaging seal structure of the present invention.
Wherein, description of reference numerals is as follows：
The package perimeter region of 1 packaging seal structure 12
11 packaging films 13 insulation fused layers
The excessive portion of 111 insulating protective layer 131
1111 outer faces 14 punching hole
1112 outer surface R lugs
112 insulation hot sealing layer B hot pressing mechanisms
113 core metal layer S insulating cements
1131 outer faces
Embodiment
Describe packaging seal structure and preparation method thereof and flexible-packed battery of the present invention in detail with reference to the accompanying drawings.
Illustrate packaging seal structure according to a first aspect of the present invention first.
Reference picture 2 includes being heat-sealed two layers of packaging film 11 together to Fig. 5 according to the packaging seal structure 1 of the present invention,
Each layer packaging film 11 includes：Insulating protective layer 111, positioned at outside；Insulate hot sealing layer 112, positioned at inner side；And core metal layer
113, it is laminated between insulating protective layer 111 and insulation hot sealing layer 112.Wherein, in the package perimeter region of packaging seal structure 1
12, the insulation hot sealing layer 112 of two layers of packaging film 11 is facing with each other and is melted into one, and two layers of packaging film 11 is sealed into viscous to be formed
The insulation fused layers 13 being connected together.Insulation fused layers 13 are formed with：Excessive portion 131, from insulation fused layers 13 to packaging seal
The outer face 1131 that the edge in the package perimeter region 12 of structure 1 spills into the core metal layer 113 of two layers of packaging film 11 is outer simultaneously
The outer face 1131 of the core metal layer 113 of two layers of packaging film 11 is coated completely, so that the core metal of two layers of packaging film 11
The outer face 1131 of layer 113 and exterior insulation.
In the packaging seal structure 1 according to the present invention, in the package perimeter region 12 of packaging seal structure 1, two layers of bag
The insulation hot sealing layer 112 of dress film 11 is facing with each other and is melted into one with adhesive seal package perimeter region 12, and insulation fusion
The excessive portion 131 of layer 13 coats the outer face 1131 of the core metal layer 113 of two layers of packaging film 11 completely, to realize two layers of bag
Fill the outer face 1131 of the core metal layer 113 of film 11 and outside insulation.This simply and effectively insulation mode is improved absolutely
Edge effect, is prevented and external world's short circuit.It is wide using scope and the overall structure of the packaging seal structure of the present invention is simple, can be right
Variously-shaped edge sealing (such as L-type or circular special-shaped edge sealing) realizes insulation adhesive seal.
According to the packaging seal structure 1 of the present invention, in one embodiment, excessive portion 131 can also cover two layers of packaging film
In at least a portion of the outer face 1111 of 11 insulating protective layer 111, and glued with the insulating protective layer 111 of two layers of packaging film 11
It is connected together.
In one embodiment, reference picture 3 is to Fig. 5, and excessive portion 131 can also cover the insulating protective layer of two layers of packaging film 11
On 111 whole outer face 1111.
In one embodiment, excessive portion 131 can also cover the whole outer end of the insulating protective layer 111 of two layers of packaging film 11
On outer surface 1112 on the thickness direction of face 1111 and packaging film 11.
In one embodiment, reference picture 2, packaging seal structure 1 can also have：Punching hole 14, is formed at two layers of packaging film 11
In the intermediate region of at least one.
In one embodiment, reference picture 2, punching hole 14 can be two, be respectively formed in the intermediate region of two layers of packaging film 11,
Two punching holes 14 house naked battery core (not shown) together above and below when two layers of packaging film 11 is encapsulated.
In one embodiment, insulating protective layer 111 can be made up of insulating materials.Further, insulating materials can be insulation
One kind in fiber, plastics, rubber, preferably non-conductive fibre.
In one embodiment, insulation hot sealing layer 112 can be made up of insulating materials.Further, insulation hot sealing layer 112 can be
Polymeric layer.
In one embodiment, packaging film 11 can be aluminum plastic film.Further, the insulating protective layer 111 of packaging film 11 can be
Nylon layer, core metal layer 113 hot sealing layer 112 that can be insulated for aluminium foil can be polypropylene layer.
Secondly the preparation method of packaging seal structure 1 according to a second aspect of the present invention is illustrated.
The preparation method of packaging seal structure according to a second aspect of the present invention is used to prepare according to a first aspect of the present invention
Packaging seal structure 1, it includes step：Pending packaging seal structure 1 is provided, pending packaging seal structure 1 is wrapped
Two layers of the packaging film 11 being heat-sealed together is included, each layer packaging film 11 is including the insulating protective layer 111 positioned at outside, positioned at inner side
Insulation hot sealing layer 112 and be laminated in insulating protective layer 111 insulation hot sealing layer 112 between core metal layer 113；Then
Two layers of packaging film 11 is laminated, so that the insulation hot sealing layer 112 of two layers of packaging film 11 is facing with each other；Followed by hot press
Structure B is from the both direction up and down of the packaging film 11 after stacking while the whole package perimeter regions 12 or part of autoclave package film 11
Package perimeter region 12 (i.e. close to the part of naked battery core), melts the corresponding hot sealing layer 112 of insulation up and down in package perimeter region 12
Merge into an organic whole, two layers of packaging film 11 is sealed into the insulation fused layers 13 bonded together to be formed；Last further packaging by hot pressing
The outward flange of neighboring area 12, to form the edge from insulation fused layers 13 to the package perimeter region 12 of packaging seal structure 1
The outer face 1131 for spilling into the core metal layer 113 of two layers of packaging film 11 is outer and by the core metal layer of two layers of packaging film 11
The excessive portion 131 that 113 outer face 1131 is coated completely, so that the outer face of the core metal layer 113 of two layers of packaging film 11
1131 and exterior insulation.
In the preparation method of packaging seal structure according to a second aspect of the present invention, sealed by the whole to packaging film 11
Dress neighboring area 12 or partial encapsulation neighboring area 12 carry out hot pressing twice, to form the core of two layers of packaging film 11 of cladding completely
The excessive portion 131 of the outer face 1131 of metal level 113.The preparation method is simple to operate, can when applied to flexible-packed battery
Improve the energy density of battery core.
The preparation method of packaging seal structure according to a second aspect of the present invention, in one embodiment, autoclave package film 11
Package perimeter region 12 when, hot pressing mechanism B set temperature can be 100-190 DEG C.
In one embodiment, during the package perimeter region 12 of autoclave package film 11, the pressure that hot pressing mechanism B is set can be
0.02-0.6MPa.In one embodiment, during the package perimeter region 12 of autoclave package film 11, the time of hot pressing mechanism B hot pressing can
For 0.5-10s.In one embodiment, in the further hot pressing in outward flange in package perimeter region 12, the temperature that hot pressing mechanism B is set
Degree can be 100-190 DEG C.
In one embodiment, in the further hot pressing in outward flange in package perimeter region 12, the pressure that hot pressing mechanism B is set
Can be 0.02-0.6MPa.
In one embodiment, in the further hot pressing in outward flange in package perimeter region 12, the time of hot pressing mechanism B hot pressing
Can be 0.5-10s.
Next flexible-packed battery according to a third aspect of the present invention is illustrated.
According to the flexible-packed battery of the present invention with packaging seal structure 1 according to a first aspect of the present invention, seal is packed
Naked battery core (not shown) is contained in structure 1.
In flexible-packed battery according to a third aspect of the present invention, sealed by using packaging according to a first aspect of the present invention
Structure 1 is printed, and packs preparation method of the seal structure 1 using packaging seal structure according to a second aspect of the present invention, so as to carry
The high energy density of the naked battery core of flexible-packed battery.And the flexible-packed battery of the present invention is simple in construction, suitable for extensive raw
Production, reduces cost.
Flexible-packed battery according to a third aspect of the present invention, in one embodiment, the flexible-packed battery can be square soft
Battery pack or circular flexible-packed battery.Certainly not only limit in this way, flexible-packed battery can also be the flexible packaged battery of irregular shape
Pond.
In one embodiment, the naked battery core of the flexible-packed battery has the lug R stretched out from two layers of packaging film 11.
Claims (10)
1. one kind packaging seal structure (1), including it is heat-sealed two layers of packaging film (11) together, each layer packaging film (11) bag
Include：
Insulating protective layer (111), positioned at outside；
Insulate hot sealing layer (112), positioned at inner side；And
Core metal layer (113), is laminated between insulating protective layer (111) and insulation hot sealing layer (112)；
Wherein, in the package perimeter region (12) of packaging seal structure (1), the insulation hot sealing layer (112) of two layers of packaging film (11)
It is facing with each other and be melted into one, to form the insulation fused layers (13) that two layers of packaging film (11) sealing bonds together；
Characterized in that, insulation fused layers (13) are formed with：Excessive portion (131), from insulation fused layers (13) to packaging seal knot
The edge in the package perimeter region (12) of structure (1) spills into the outer face of the core metal layer (113) of two layers of packaging film (11)
(1131) outside and by the outer face (1131) of the core metal layer (113) of two layers of packaging film (11) cladding completely, so that two layers of bag
Fill outer face (1131) and the exterior insulation of the core metal layer (113) of film (11).
2. packaging seal structure (1) according to claim 1, it is characterised in that
Excessive portion (131) also covers at least the one of the outer face (1111) of the insulating protective layer (111) of two layers of packaging film (11)
On part, and bonded together with the insulating protective layer (111) of two layers of packaging film (11).
3. packaging seal structure (1) according to claim 1, it is characterised in that
Excessive portion (131) is also covered on the whole outer face (1111) of the insulating protective layer (111) of two layers of packaging film (11).
4. packaging seal structure (1) according to claim 1, it is characterised in that
Excessive portion (131) also cover the insulating protective layer (111) of two layers of packaging film (11) whole outer face (1111) and
On outer surface (1112) on the thickness direction of packaging film (11).
5. the preparation method of one kind packaging seal structure (1), for preparing the packaging according to any one of claim 1-4
Seal structure (1), it is characterised in that including step：
Pending packaging seal structure (1) is provided, pending packaging seal structure (1) includes being heat-sealed two layers together
Packaging film (11), each layer packaging film (11) includes：Insulating protective layer (111), positioned at outside；Insulate hot sealing layer (112), positioned at interior
Side；And core metal layer (113), it is laminated between insulating protective layer (111) and insulation hot sealing layer (112)；
Then two layers of packaging film (11) is laminated, so that the insulation hot sealing layer (112) of two layers of packaging film (11) is facing with each other；
Followed by hot pressing mechanism (B) from the both direction up and down of the packaging film (11) after stacking simultaneously autoclave package film (11)
Whole package perimeter regions (12) or partial encapsulation neighboring area (12), make the corresponding heat that insulate up and down in package perimeter region (12)
Sealing (112) is melted into one, to form the insulation fused layers (13) that two layers of packaging film (11) sealing bonds together；
The outward flange of last further packaging by hot pressing neighboring area (12), to be formed from insulation fused layers (13) to packaging seal knot
The edge in the package perimeter region (12) of structure (1) spills into the outer face of the core metal layer (113) of two layers of packaging film (11)
(1131) the excessive portion coated completely outside and by the outer face (1131) of the core metal layer (113) of two layers of packaging film (11)
(131), so that outer face (1131) and the exterior insulation of the core metal layer (113) of two layers of packaging film (11).
6. the preparation method of packaging seal structure (1) according to claim 5, it is characterised in that
During package perimeter region (12) of autoclave package film (11), the temperature that hot pressing mechanism (B) is set is 100-190 DEG C；Hot pressing
The pressure that mechanism (B) is set is 0.02-0.6MPa；The time of hot pressing mechanism (B) hot pressing is 0.5-10s.
7. the preparation method of packaging seal structure (1) according to claim 5, it is characterised in that in package perimeter region
(12) during the further hot pressing in outward flange, the temperature that hot pressing mechanism (B) is set is 100-190 DEG C；The pressure that hot pressing mechanism (B) is set
Power is 0.02-0.6MPa；The time of hot pressing mechanism (B) hot pressing is 0.5-10s.
8. a kind of flexible-packed battery, it is characterised in that with the packaging seal structure according to any one of claim 1-4
(1), naked battery core is contained in packaging seal structure (1).
9. flexible-packed battery according to claim 8, it is characterised in that the flexible-packed battery is square flexible-packed battery
Or circular flexible-packed battery.
10. flexible-packed battery according to claim 8, it is characterised in that the naked battery core of the flexible-packed battery have from
The lug (R) stretched out in two layers of packaging film (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220102.3A CN107293652B (en) | 2016-04-11 | 2016-04-11 | Packaging seal structure, preparation method thereof and flexible packaging battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220102.3A CN107293652B (en) | 2016-04-11 | 2016-04-11 | Packaging seal structure, preparation method thereof and flexible packaging battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107293652A true CN107293652A (en) | 2017-10-24 |
| CN107293652B CN107293652B (en) | 2020-10-02 |
Family
ID=60092953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610220102.3A Active CN107293652B (en) | 2016-04-11 | 2016-04-11 | Packaging seal structure, preparation method thereof and flexible packaging battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293652B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341946A (en) * | 2018-12-18 | 2020-06-26 | 宁德新能源科技有限公司 | Battery core and battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289459A (en) * | 1998-10-30 | 2001-03-28 | 索尼株式会社 | Non-aqueous electrolytic clell and production method therefor |
| CN1316788A (en) * | 2000-03-23 | 2001-10-10 | 索尼株式会社 | Manaqueous electrolyte secondary battery and method for manufacturing the battery |
| CN102848646A (en) * | 2011-07-01 | 2013-01-02 | 苹果公司 | Battery pouch sheet edge insulation |
| CN103579538A (en) * | 2013-11-14 | 2014-02-12 | 东莞新能源科技有限公司 | Packaging seal structure, preparation method of packaging seal structure and flexibly packaged cell |
| CN204792942U (en) * | 2015-07-31 | 2015-11-18 | 四川长虹电源有限责任公司 | A cover head for soft package lithium -ion battery |
-
2016
- 2016-04-11 CN CN201610220102.3A patent/CN107293652B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289459A (en) * | 1998-10-30 | 2001-03-28 | 索尼株式会社 | Non-aqueous electrolytic clell and production method therefor |
| CN1316788A (en) * | 2000-03-23 | 2001-10-10 | 索尼株式会社 | Manaqueous electrolyte secondary battery and method for manufacturing the battery |
| CN102848646A (en) * | 2011-07-01 | 2013-01-02 | 苹果公司 | Battery pouch sheet edge insulation |
| CN103579538A (en) * | 2013-11-14 | 2014-02-12 | 东莞新能源科技有限公司 | Packaging seal structure, preparation method of packaging seal structure and flexibly packaged cell |
| CN204792942U (en) * | 2015-07-31 | 2015-11-18 | 四川长虹电源有限责任公司 | A cover head for soft package lithium -ion battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341946A (en) * | 2018-12-18 | 2020-06-26 | 宁德新能源科技有限公司 | Battery core and battery |
| CN111341946B (en) * | 2018-12-18 | 2022-05-17 | 宁德新能源科技有限公司 | Battery core and battery |
| US11342616B2 (en) | 2018-12-18 | 2022-05-24 | Ningde Amperex Technology Limited | Cell and battery |
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