CN111114046A - Economical aluminum plastic film and manufacturing method thereof - Google Patents

Economical aluminum plastic film and manufacturing method thereof Download PDF

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Publication number
CN111114046A
CN111114046A CN202010011414.XA CN202010011414A CN111114046A CN 111114046 A CN111114046 A CN 111114046A CN 202010011414 A CN202010011414 A CN 202010011414A CN 111114046 A CN111114046 A CN 111114046A
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CN
China
Prior art keywords
layer
aluminum
plastic film
semi
finished
Prior art date
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Pending
Application number
CN202010011414.XA
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Chinese (zh)
Inventor
张武林
徐婷婷
刘剑光
王晓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liyang Zhuoyue New Material Technology Co ltd
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Liyang Zhuoyue New Material Technology Co ltd
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Application filed by Liyang Zhuoyue New Material Technology Co ltd filed Critical Liyang Zhuoyue New Material Technology Co ltd
Priority to CN202010011414.XA priority Critical patent/CN111114046A/en
Publication of CN111114046A publication Critical patent/CN111114046A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/088—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • 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 discloses an economical aluminum-plastic film which comprises a protective layer, an outer bonding layer, an aluminum foil layer, an inner bonding layer and a heat sealing layer from outside to inside, wherein the width of the heat sealing layer is larger than that of the aluminum foil layer, a reserved edge is formed on at least one side of the aluminum foil layer along the width direction of the heat sealing layer, and the edge of the reserved edge exceeds that of the aluminum foil layer. The invention also discloses a manufacturing method of the economical aluminum-plastic film, which comprises the following steps: 1) compounding a semi-finished product: compounding the protective layer and the aluminum foil layer through an outer bonding layer to obtain a semi-finished aluminum-plastic film; 2) compounding a finished product: and compounding the semi-finished aluminum plastic and the heat-sealing layer through the inner-layer bonding layer, enabling the width of the heat-sealing layer to be larger than that of the semi-finished aluminum plastic film, and enabling at least one side of the heat-sealing layer in the width direction to form a reserved edge exceeding the edge of the semi-finished aluminum plastic film to obtain the finished aluminum plastic film. The invention ensures the sealing property of the battery package, reduces the waste of materials, reduces the production cost of enterprises and improves the production benefit of the enterprises.

Description

Economical aluminum plastic film and manufacturing method thereof
Technical Field
The invention relates to the technical field of aluminum-plastic film production, in particular to an economical aluminum-plastic film and a manufacturing method thereof.
Background
The lithium ion battery mainly comprises a positive electrode, a negative electrode, a diaphragm, electrolyte and an outer packaging shell, wherein the outer packaging shell plays a role in protecting core materials and the electrolyte in the soft packaging lithium ion battery, so that the service life of the soft packaging battery is prolonged. The outer packaging shell of the lithium ion battery is divided into an aluminum shell, an iron shell and an aluminum-plastic film packaging shell according to the material quality of the package. The plastic-aluminum membrane has advantages such as the quality is light, separation nature and ductility are good, and when the gas drum phenomenon appears in the inside electric core of soft packet, the plastic-aluminum membrane can provide sufficient buffer space for gas owing to possess good ductility, before reaching battery blasting threshold value, the plastic-aluminum membrane can be torn, has avoided the possibility of battery explosion, has protected soft packet lithium ion battery well.
As shown in the attached figure 1 of the specification, a common aluminum-plastic film is composed of three main materials, namely nylon 1 (a protective layer), aluminum foil 3 and polypropylene 5 (a heat sealing layer), and the three main materials are compounded through an outer bonding layer 2 and an inner bonding layer 4 in sequence to obtain a finished product aluminum-plastic film. Three main materials in the existing finished product aluminum-plastic film are equal in area, namely, the width of each layer of material is completely equal when the materials are compounded, the end faces in the width direction are mutually parallel and level, the aluminum-plastic film needs to be punched in a pit in the process of manufacturing an outer packaging shell of a lithium ion battery, an air bag is left, the air bag part simultaneously contains a nylon 1 (protective layer), an aluminum foil 3 and a polypropylene 5 (heat sealing layer), and the air bag part needs to be cut off after packaging, so that the waste of the aluminum-plastic film part is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an economical aluminum plastic film and a manufacturing method thereof, which can reduce the waste caused by cutting an air bag in the process of manufacturing an outer packaging shell of a lithium ion battery, reduce the production cost of an enterprise and improve the production benefit of the enterprise.
In order to achieve the purpose, the invention adopts the following technical scheme:
the economical aluminum-plastic film comprises a protective layer, an outer bonding layer, an aluminum foil layer, an inner bonding layer and a heat sealing layer from outside to inside, wherein the width of the heat sealing layer is larger than that of the aluminum foil layer, a reserved edge is formed on at least one side of the aluminum foil layer along the width direction of the heat sealing layer, and the edge of the reserved edge exceeds that of the aluminum foil layer.
Preferably, the width of the protective layer is the same as the width of the aluminum foil layer, and the protective layer is flush with the end face of the aluminum foil layer in the width direction.
Preferably, the heat-sealing layer is formed with reserved edges on both sides of the aluminum foil layer along the width direction, and the edges of the reserved edges on both sides of the heat-sealing layer respectively exceed the edges on both sides of the aluminum foil layer.
Preferably, the protective layer is a nylon layer.
Preferably, the plastic sealing layer is a polypropylene layer.
The method for manufacturing the economical aluminum-plastic film comprises the following steps:
1) compounding a semi-finished product: compounding the protective layer and the aluminum foil layer through an outer bonding layer to obtain a semi-finished aluminum-plastic film;
2) compounding a finished product: and compounding the semi-finished aluminum plastic and the heat-sealing layer through the inner-layer bonding layer, enabling the width of the heat-sealing layer to be larger than that of the semi-finished aluminum plastic film, and enabling at least one side of the heat-sealing layer in the width direction to form a reserved edge exceeding the edge of the semi-finished aluminum plastic film to obtain the finished aluminum plastic film.
As a preferable scheme, in the step 2), both sides of the heat seal layer in the width direction are formed with a reserved edge exceeding the edge of the semi-finished aluminum-plastic film.
As a preferable scheme, in the step 1), the semi-finished aluminum-plastic film is rolled to obtain a semi-finished coil, and the semi-finished coil is unreeled and compounded with the heat seal layer coil in the step 2) to obtain a finished aluminum-plastic film.
As a preferable scheme, in the step 2), at least two semi-finished product coils are unreeled side by side and compounded with the same heat seal layer coil to obtain a finished product aluminum-plastic film, and reserved edges are formed on two sides of the semi-finished product aluminum-plastic film which is unreeled by the two semi-finished product coils. Through unreeling a plurality of semi-manufactured goods coil stocks side by side simultaneously to can realize rubberizing, drying side by side semi-manufactured goods material simultaneously, then compound with the heat-seal layer, thereby improve compound efficiency.
As a preferred scheme, the protective layer is a nylon layer, and the heat-sealing layer is a polypropylene layer.
Compared with the prior art, the method has the obvious advantages and beneficial effects, and particularly, the width of the heat sealing layer is larger than that of the aluminum foil layer, the reserved edge is formed on at least one side of the aluminum foil layer along the width direction of the heat sealing layer, and the edge of the reserved edge exceeds the edge of the aluminum foil layer, so that when the aluminum plastic film is deeply punched to manufacture the lithium ion battery outer packaging shell, the reserved edge is used for manufacturing the air bag edge, and the air bag edge manufactured by the reserved edge can be directly cut off after the subsequent battery packaging is finished, so that the material waste is reduced while the battery packaging tightness is ensured in the packaging process, the production cost of an enterprise is reduced, and the production benefit of the enterprise is improved.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic structural diagram of a conventional aluminum plastic film;
FIG. 2 is a schematic view of a compounding device of the present disclosure;
FIG. 3 is a schematic top view of the aluminum-plastic composite film of the present invention;
fig. 4 is an enlarged schematic view at a-a in fig. 3.
The attached drawings indicate the following:
in fig. 1:
1. nylon; 2. An outer tie layer; 3. Aluminum foil;
4. an inner tie layer; 5. Polypropylene;
in FIGS. 2-4:
10. unwinding the semi-finished product; 11. Coiling a semi-finished product; 12. Semi-finished aluminum-plastic film;
121. a protective layer; 122. An outer tie layer; 123. An aluminum foil layer;
124. an inner tie layer; 20. A compounding mechanism; 30. Unwinding the heat-sealing layer;
31. coiling the heat sealing layer; 32. A heat seal layer; 321. Reserving edges;
40. a finished product reel; 41. Finished aluminum-plastic film coil stock; 42. And (5) finishing the aluminum plastic film.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Referring to fig. 2-4, the method for manufacturing an economical aluminum-plastic film of the present invention comprises the following steps:
1) compounding a semi-finished product: compounding the protective layer 121 and the aluminum foil layer 123 through an outer-layer bonding layer 122 to obtain a semi-finished aluminum-plastic film 12, and then rolling the semi-finished aluminum-plastic film 12 to obtain a semi-finished coil material 11;
2) compounding a finished product: and discharging the semi-finished aluminum-plastic film 12 in the semi-finished coil 11, and discharging the heat-sealing layer 32 in the heat-sealing layer coil 31, so that the semi-finished aluminum-plastic film 12 and the heat-sealing layer 32 are compounded through the inner-layer bonding layer 124, the width of the heat-sealing layer 32 is larger than that of the semi-finished aluminum-plastic film 12, and at least one side of the heat-sealing layer 32 in the width direction forms a reserved edge 321 which exceeds the edge of the semi-finished aluminum-plastic film 12, so as to obtain the finished aluminum-plastic film 42. As shown in fig. 2, in the present invention, two semi-finished product coils 11 are simultaneously paid out side by side through the same semi-finished product pay-off spool 10, a heat-seal layer coil 31 is paid out through the heat-seal layer pay-off spool 30, a semi-finished product aluminum plastic film 12 paid out from the two semi-finished product coils 11 and a heat-seal layer 32 paid out from the heat-seal layer coil 31 are compounded through the compounding mechanism 20 to obtain a finished product aluminum plastic film 42, the finished product aluminum plastic film 42 is wound through the finished product spool 40 to obtain a finished product coil 41, as shown in fig. 3 and 4, heat-seal layer reserved edges 321 are formed on both sides of the semi-finished product aluminum plastic film 12 paid out from the two semi-finished product coils 11.
It should be noted that, in the present invention, only one semi-finished product coil 11 may be unreeled to be combined with the heat seal layer coil 31, or more than two semi-finished product coils 11 may be unreeled simultaneously to be combined with the heat seal layer coil 31, and by unreeling more than two semi-finished product coils 11 simultaneously side by side, the side by side semi-finished product materials may be rubberized and dried simultaneously, and then combined with the heat seal layer 32, so as to improve the combining efficiency. And it should be noted that the invention can also be directly glued and dried after the semi-finished product is compounded, and then compounded with the heat sealing layer 32 without being coiled by the semi-finished product.
In the present invention, the protective layer 121 is a nylon layer, and the heat seal layer 32 is a polypropylene layer.
As shown in fig. 3 and 4, the economical aluminum-plastic film further comprises a protection layer 121, an outer adhesive layer 122, an aluminum foil layer 123, an inner adhesive layer 124 and a heat-sealing layer 32 from outside to inside, the width of the protection layer 121 is the same as the width of the aluminum foil layer 123, the end faces of the protection layer 121 and the aluminum foil layer 123 in the width direction are flush, the width of the heat-sealing layer 32 is larger than the width of the aluminum foil layer 123, reserved edges 321 are formed on the two sides of the aluminum foil layer 121 in the width direction of the heat-sealing layer 32, and the edges of the reserved edges 321 exceed the edges of the aluminum foil layer 123.
In the invention, the protective layer 121 is a nylon layer, and the plastic package layer is a polypropylene layer.
In the invention, the aluminum foil layer 123 and the protective layer 121 are firstly compounded to form the semi-finished aluminum-plastic film 12, two semi-finished aluminum-plastic films 12 are simultaneously compounded on the same heat seal layer 32, and the width of the reserved edge 321 can be set according to the type of the battery. The reserved edge 321 can also be reserved only on one side in the width direction, so that only a small part of the aluminum foil is cut off in the formed air pocket edge, and the purpose of reducing waste can be achieved.
In summary, in the invention, the width of the heat-sealing layer 32 is larger than the width of the aluminum foil layer 123, and the reserved edge 321 is formed on at least one side of the aluminum foil layer 123 of the heat-sealing layer 32 along the width direction, so that the edge of the reserved edge 321 exceeds the edge of the aluminum foil layer 123, when the aluminum plastic film is deeply punched to manufacture the lithium ion battery outer packaging shell, the reserved edge 321 is used for manufacturing the air bag edge, and the air bag edge manufactured by the reserved edge 321 can be directly cut off after the subsequent battery packaging is finished, thereby ensuring the battery packaging tightness in the packaging process, reducing the waste of materials, reducing the production cost of enterprises, and improving the production benefit of the enterprises.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.

Claims (10)

1. The economical aluminum-plastic film comprises a protective layer, an outer bonding layer, an aluminum foil layer, an inner bonding layer and a heat sealing layer from outside to inside, and is characterized in that the width of the heat sealing layer is larger than that of the aluminum foil layer, a reserved edge is formed on at least one side of the aluminum foil layer along the width direction of the heat sealing layer, and the edge of the reserved edge exceeds the edge of the aluminum foil layer.
2. The economical aluminum-plastic film of claim 1, wherein the protective layer has the same width as the aluminum foil layer, and the protective layer is flush with the end surface of the aluminum foil layer in the width direction.
3. The economical aluminum-plastic film according to claim 1, wherein the heat-seal layer is formed with a reserved edge on both sides of the aluminum foil layer in the width direction, and edges of the reserved edge on both sides of the heat-seal layer respectively exceed edges on both sides of the aluminum foil layer.
4. An economical aluminum-plastic film according to any one of claims 1-3, characterized in that said protective layer is a nylon layer.
5. An economical plastic-aluminum film according to any one of claims 1-3, characterized in that said plastic sealing layer is a polypropylene layer.
6. The method for manufacturing the economical aluminum-plastic film is characterized by comprising the following steps of:
1) compounding a semi-finished product: compounding the protective layer and the aluminum foil layer through an outer bonding layer to obtain a semi-finished aluminum-plastic film;
2) compounding a finished product: and compounding the semi-finished aluminum plastic and the heat-sealing layer through the inner-layer bonding layer, enabling the width of the heat-sealing layer to be larger than that of the semi-finished aluminum plastic film, and enabling at least one side of the heat-sealing layer in the width direction to form a reserved edge exceeding the edge of the semi-finished aluminum plastic film to obtain the finished aluminum plastic film.
7. The economical manufacturing method of the aluminum-plastic film as claimed in claim 6, wherein in the step 2), both sides of the heat seal layer in the width direction are formed with a reserved edge which exceeds the edge of the semi-finished aluminum-plastic film.
8. The economical aluminum-plastic film manufacturing method as claimed in claim 7, wherein in step 1), the semi-finished aluminum-plastic film is rolled to obtain a semi-finished coil, and the semi-finished coil is unreeled and compounded with the heat seal layer coil in step 2) to obtain a finished aluminum-plastic film.
9. The economical aluminum-plastic film manufacturing method according to claim 8, wherein in the step 2), at least two semi-finished product rolls are unwound side by side and are combined with the same heat seal layer roll to obtain a finished aluminum-plastic film, and both sides of the semi-finished aluminum-plastic film discharged from the two semi-finished product rolls are formed with reserved edges.
10. The method for manufacturing an economical aluminum-plastic film according to any one of claims 6-9, wherein the protective layer is a nylon layer, and the heat sealing layer is a polypropylene layer.
CN202010011414.XA 2020-01-06 2020-01-06 Economical aluminum plastic film and manufacturing method thereof Pending CN111114046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010011414.XA CN111114046A (en) 2020-01-06 2020-01-06 Economical aluminum plastic film and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010011414.XA CN111114046A (en) 2020-01-06 2020-01-06 Economical aluminum plastic film and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN111114046A true CN111114046A (en) 2020-05-08

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ID=70486949

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004091052A (en) * 2003-11-18 2004-03-25 Toyo Seikan Kaisha Ltd Easily tearable packaging bag
CN1488177A (en) * 2000-12-05 2004-04-07 Electrochemical cells and their pakaging
JP2004268921A (en) * 2003-03-05 2004-09-30 Toppan Printing Co Ltd Reclosable closure and packaging bag
JP2006158500A (en) * 2004-12-03 2006-06-22 Idemitsu Unitech Co Ltd Laminated body and pouch material
CN101841008A (en) * 2009-07-10 2010-09-22 上海哈登塑料技术有限公司 Storage battery cover
CN102848646A (en) * 2011-07-01 2013-01-02 苹果公司 Battery pouch sheet edge insulation
CN203707224U (en) * 2013-05-31 2014-07-09 深圳市格瑞普电池有限公司 Positive plate diaphragm bag and laminated lithium ion battery with diaphragm bag
CN205202378U (en) * 2015-10-10 2016-05-04 东莞市卓越新材料科技有限公司 Mute honorable look plastic -aluminum membrane
CN205792426U (en) * 2016-06-23 2016-12-07 苏州阿特斯阳光电力科技有限公司 A kind of double-sided coating graphite frame being applicable to PERC cell piece
CN109228575A (en) * 2018-10-30 2019-01-18 上海恩捷新材料科技有限公司 A kind of plastic-aluminum membrane structure
CN109449319A (en) * 2018-10-24 2019-03-08 无锡恩捷新材料科技有限公司 A kind of soft bag lithium ionic cell aluminum plastic film
CN211616868U (en) * 2020-01-06 2020-10-02 溧阳卓越新材料科技有限公司 Economical aluminum-plastic film and coil stock thereof

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1488177A (en) * 2000-12-05 2004-04-07 Electrochemical cells and their pakaging
JP2004268921A (en) * 2003-03-05 2004-09-30 Toppan Printing Co Ltd Reclosable closure and packaging bag
JP2004091052A (en) * 2003-11-18 2004-03-25 Toyo Seikan Kaisha Ltd Easily tearable packaging bag
JP2006158500A (en) * 2004-12-03 2006-06-22 Idemitsu Unitech Co Ltd Laminated body and pouch material
CN101841008A (en) * 2009-07-10 2010-09-22 上海哈登塑料技术有限公司 Storage battery cover
CN102848646A (en) * 2011-07-01 2013-01-02 苹果公司 Battery pouch sheet edge insulation
CN203707224U (en) * 2013-05-31 2014-07-09 深圳市格瑞普电池有限公司 Positive plate diaphragm bag and laminated lithium ion battery with diaphragm bag
CN205202378U (en) * 2015-10-10 2016-05-04 东莞市卓越新材料科技有限公司 Mute honorable look plastic -aluminum membrane
CN205792426U (en) * 2016-06-23 2016-12-07 苏州阿特斯阳光电力科技有限公司 A kind of double-sided coating graphite frame being applicable to PERC cell piece
CN109449319A (en) * 2018-10-24 2019-03-08 无锡恩捷新材料科技有限公司 A kind of soft bag lithium ionic cell aluminum plastic film
CN109228575A (en) * 2018-10-30 2019-01-18 上海恩捷新材料科技有限公司 A kind of plastic-aluminum membrane structure
CN211616868U (en) * 2020-01-06 2020-10-02 溧阳卓越新材料科技有限公司 Economical aluminum-plastic film and coil stock thereof

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