CN211497468U - Flame-retardant laminate polymer battery protection film - Google Patents
Flame-retardant laminate polymer battery protection film Download PDFInfo
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- CN211497468U CN211497468U CN201922311770.9U CN201922311770U CN211497468U CN 211497468 U CN211497468 U CN 211497468U CN 201922311770 U CN201922311770 U CN 201922311770U CN 211497468 U CN211497468 U CN 211497468U
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- Prior art keywords
- flame
- retardant
- pvc film
- dyestripping
- layer
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 47
- 229920000642 polymer Polymers 0.000 title claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 31
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 30
- 239000011253 protective coating Substances 0.000 claims abstract description 17
- 229920000297 Rayon Polymers 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 58
- 230000003014 reinforcing effect Effects 0.000 claims description 36
- 239000012790 adhesive layer Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of battery production, especially, be a fire-retardant laminate polymer battery protection film, including PVC film base course, hand dyestripping and back up coat, PVC film base course one end fixedly connected with the hand dyestripping, PVC film base course and one side of hand dyestripping all scribble the protective coating, one side that the PVC film base course is kept away from the protective coating evenly scribbles the printing ink coating, one side that the printing ink coating is kept away from the PVC film base course is fixedly connected with the back up coat; can hold between the fingers the hand dyestripping and pull to relieve being connected between hand dyestripping and the PVC film basic unit, then pulling the adversary dyestripping again, remove the bonding between fire-retardant non-woven fabrics and the lithium cell aluminum hull, a new protection film that can take at this time, the parcel is on the aluminum hull of lithium cell, and the third viscose layer on the handle dyestripping again bonds with PVC film basic unit and fixes and form the closed loop, the change of people to the protection film of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the battery production, concretely relates to fire-retardant laminate polymer battery protection film.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material, because the chemical characteristics of the lithium metal are very active, the lithium metal can be processed, stored and used, the requirements on the environment are very high, with the development of science and technology, lithium batteries become mainstream at present, which can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium, and is rechargeable, a fifth generation product of rechargeable batteries, lithium metal batteries, was produced in 1996, the safety, specific capacity, self-discharge rate and cost performance of the lithium ion battery are all superior to those of a lithium ion battery, only a few national companies produce the lithium metal battery due to the limitation of high technical requirements of the lithium metal battery, and the lithium battery is usually coated with a layer of protective film on the outside during production and packaging, so that the damage of the outside to the lithium battery can be effectively reduced.
The protection film can be scraped when receiving the collision of outside sharp object to make inside lithium cell casing expose externally, lead to outside metal to contact with lithium cell casing, because battery casing links to each other with the electrode of battery mostly, probably can cause the battery short circuit to generate heat, need people in time to change the protection film, current protection film all utilizes the mode of hot pressing to form a closed loop basically, make the protection film cover establish the outside formation protection of battery, be not convenient for people to the change and the dismantlement of protection film.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant laminate polymer battery protection film to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a flame-retardant laminate polymer battery protection film comprises a PVC film base layer, a hand tear film and a reinforcing layer, wherein one end of the PVC film base layer is fixedly connected with the hand tear film, one side of the PVC film base layer and one side of the hand tear film are respectively coated with a protective coating, one side of the PVC film base layer, which is far away from the protective coating, is respectively coated with a printing ink coating, one side of the printing ink coating, which is far away from the PVC film base layer, is fixedly connected with the reinforcing layer, one side of the reinforcing layer, which is far away from the printing ink coating, is provided with a flame-retardant non-woven fabric, one side of the flame-retardant non-woven fabric, which is close to the reinforcing layer, is coated with a first adhesive layer, the flame-retardant non-woven fabric is fixedly bonded with the reinforcing layer through the first adhesive layer, one side of the flame-retardant non-woven fabric, which is far away from, and the reinforcing layer is fixedly connected with a plurality of reinforcing ribs.
Preferably, the material of the protective coating is teflon.
Preferably, the flame-retardant non-woven fabric passes through the second viscose layer is fixed with first from type paper bonding, the third viscose layer is kept away from the one end bonding of hand dyestripping is fixed with the second from type paper.
Preferably, the thickness of the flame-retardant non-woven fabric is zero three millimeters.
Preferably, the reinforcing ribs are distributed on the reinforcing layer in a net-shaped crossed manner, and the width of each reinforcing rib is zero five millimeters.
Preferably, the material of reinforcing layer is PVC, the material of reinforcing muscle is PVC.
Compared with the prior art, the beneficial effects of the utility model are that:
scratch or damage take place at the outside protection film of battery when, can hold between the fingers the hand dyestripping and pull, thereby remove the hand dyestripping and PVC film basic unit between be connected, then pull the adversary dyestripping again, remove the bonding between fire-retardant non-woven fabrics and the lithium cell aluminum hull, a new protection film that can take at this time, the parcel is on the aluminum hull of lithium cell, third viscose layer on the handle dyestripping again bonds with PVC film basic unit and fixes the formation closed loop, the change of people to the protection film of being convenient for.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation state of the present invention;
FIG. 3 is a schematic structural view of the flame retardant nonwoven fabric and the reinforcing layer of the present invention;
fig. 4 is a schematic structural diagram of the middle reinforcing layer of the present invention.
In the figure: 1. a PVC film base layer; 11. a protective coating; 12. coating with ink; 13. flame-retardant non-woven fabric; 131. a first adhesive layer; 132. a second adhesive layer; 14. a first release paper; 2. tearing the film by hand; 21. a third adhesive layer; 22. a second release paper; 3. a reinforcement layer; 31. and reinforcing the ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a flame-retardant soft package battery protective film comprises a PVC film base layer 1, hand dyestripping 2 and back up coat 3, 1 one end fixedly connected with hand dyestripping 2 of PVC film basic unit, protective coating 11 has all been scribbled on one side of PVC film basic unit 1 and hand dyestripping 2, one side that protective coating 11 was kept away from to PVC film basic unit 1 has evenly been scribbled ink coating 12, one side fixedly connected with back up coat 3 of PVC film basic unit 1 is kept away from to ink coating 12, one side that ink coating 12 was kept away from to back up coat 3 is equipped with fire-retardant non-woven fabrics 13, one side that fire-retardant non-woven fabrics 13 is close to back up coat 3 has been scribbled first viscose layer 131, fire-retardant non-woven fabrics 13 bonds fixedly with back up coat 3 through first viscose layer 131, one side that back up coat 3 was kept away from to fire-retardant non-woven fabrics 13 has been scribbled second viscose layer 132, one side that protective coating 11 was kept away from to hand dyestripping 2 has been scribbled third.
In this embodiment: one end of a PVC film base layer 1 is fixedly connected with a hand tear film 2, one side of the PVC film base layer 1 and one side of the hand tear film 2 are respectively coated with a protective coating 11, one side of the PVC film base layer 1, which is far away from the protective coating 11, is uniformly coated with an ink coating 12, the light shielding performance of the PVC film base layer 1 can be improved through the ink coating 12, when the use is avoided, an internal lithium battery is directly irradiated by sunlight, one side of the ink coating 12, which is far away from the PVC film base layer 1, is fixedly connected with a reinforcing layer 3, the firmness of the device can be improved through the reinforcing layer 3, one side of the reinforcing layer 3, which is far away from the ink coating 12, is provided with a flame-retardant non-woven fabric 13, the main component of the flame-retardant non-woven fabric 13 is flame-retardant polyester, the flame-retardant mechanism is mainly added with a flame retardant, the flame retardant, thereby improving the fire safety of the device, a first adhesive layer 131 is coated on one side of the flame-retardant non-woven fabric 13 close to the reinforcing layer 3, the flame-retardant non-woven fabric 13 is fixedly bonded with the reinforcing layer 3 through the first adhesive layer 131, a second adhesive layer 132 is coated on one side of the flame-retardant non-woven fabric 13 far from the reinforcing layer 3, a third adhesive layer 21 is coated on one side of the hand-torn film 2 far from the protective coating 11, a plurality of reinforcing ribs 31 are fixedly connected with the reinforcing layer 3, when the protective film outside the battery is scratched or damaged, the hand-torn film 2 can be pinched and pulled, so that the connection between the third adhesive layer 21 on the hand-torn film 2 and the PVC film base layer 1 is removed, then the hand-torn film 2 is pulled, the bonding between the flame-retardant non-woven fabric 13 and the aluminum shell of the lithium battery is removed, a new protective film can be taken at this time, wrapped on the aluminum shell of the lithium battery, the third adhesive layer 21 on the hand-torn film 2 is bonded and fixed with, the device is convenient for people to replace.
Specifically, the protective coating 11 is made of teflon; teflon has good oxidation resistance, corrosion resistance and low friction, can play an oxidation-resistant and corrosion-resistant role to PVC film base layer 1, and can also reduce the coefficient of friction of PVC film base layer 1, avoids PVC film base layer 1 to be scratched.
Specifically, the flame-retardant non-woven fabric 13 is fixedly bonded with the first release paper 14 through the second adhesive layer 132, and the second release paper 22 is fixedly bonded at one end of the third adhesive layer 21 away from the hand-tearing film 2; when not using this device, can avoid the foreign matter to adhere to second viscose layer 132 through the effect that first release paper 14 played a protection to fire-retardant non-woven fabrics 13, can play the effect of a protection from type paper 22 to third viscose layer 21 through the second, avoid the foreign matter to adhere to on the third viscose layer 21.
Specifically, the thickness of the flame-retardant nonwoven fabric 13 is zero three millimeters; which facilitates the connection between the lithium battery and the reinforcement layer 3 when in use.
Specifically, the plurality of reinforcing ribs 31 are crossly distributed on the reinforcing layer 3 in a net shape, and the width of the reinforcing ribs 31 is zero five millimeters; the cross distribution of the reinforcing ribs 31 on the reinforcing layer 3 can prevent the device from being damaged in tearing, and the toughness of the device can be improved.
Specifically, the material of the reinforcing layer 3 is PVC, and the material of the reinforcing rib 31 is PVC; the PVC can prevent static electricity, and has wide application and low cost.
The utility model discloses a theory of operation and use flow: scratch or damage take place in the outside protection film of battery, can hold between the fingers hand dyestripping 2 and pull, thereby it is connected between third viscose layer 21 and the PVC film basic unit 1 on the hand dyestripping 2 to remove, then hand dyestripping 2 pulls, remove the bonding between fire-retardant non-woven fabrics 13 and the lithium cell aluminum hull, a new protection film can be taken at this time, the parcel is on the aluminum hull of lithium cell, third viscose layer 21 on the handle dyestripping 2 carries out the bonding with PVC film basic unit 1 and fixes and form the closed loop, the change of people to the device of being convenient for, and can make the device be difficult for damaging in tearing through the cross distribution between the reinforcement rib 31 on the back up coat 3, can increase the toughness of device itself.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a fire-retardant laminate polymer battery protection film, includes PVC film basic unit (1), hand dyestripping (2) and back up coat (3), its characterized in that, PVC film basic unit (1) one end fixedly connected with the hand dyestripping (2), PVC film basic unit (1) all scribble protective coating (11) with one side of hand dyestripping (2), one side that PVC film basic unit (1) kept away from protective coating (11) is evenly scribbled ink coating (12), one side fixedly connected with back up coat (3) that PVC film basic unit (1) were kept away from to ink coating (12), one side that back up coat (3) kept away from ink coating (12) is equipped with fire-retardant non-woven fabrics (13), fire-retardant non-woven fabrics (13) are close to one side of back up coat (3) is scribbled first viscose layer (131), fire-retardant non-woven fabrics (13) pass through first viscose layer (131) with back up coat (3) bond fixedly, a second adhesive layer (132) is coated on one side, away from the reinforcing layer (3), of the flame-retardant non-woven fabric (13);
one side of the hand tear film (2) far away from the protective coating (11) is coated with a third adhesive layer (21), and the reinforcing layer (3) is fixedly connected with a plurality of reinforcing ribs (31).
2. The flame-retardant laminate battery protective film according to claim 1, which is characterized in that: the protective coating (11) is made of Teflon.
3. The flame-retardant laminate battery protective film according to claim 1, which is characterized in that: fire-retardant non-woven fabrics (13) are passed through second viscose layer (132) and first from type paper (14) bonding fixed, third viscose layer (21) are kept away from the one end bonding of hand dyestripping (2) is fixed with the second from type paper (22).
4. The flame-retardant laminate battery protective film according to claim 1, which is characterized in that: the thickness of the flame-retardant non-woven fabric (13) is zero three millimeters.
5. The flame-retardant laminate battery protective film according to claim 1, which is characterized in that: the reinforcing ribs (31) are distributed on the reinforcing layer (3) in a net-shaped crossed manner, and the width of each reinforcing rib (31) is zero point five millimeters.
6. The flame-retardant laminate battery protective film according to claim 1, which is characterized in that: the material of reinforcement layer (3) is PVC, the material of reinforcement muscle (31) is PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311770.9U CN211497468U (en) | 2019-12-20 | 2019-12-20 | Flame-retardant laminate polymer battery protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311770.9U CN211497468U (en) | 2019-12-20 | 2019-12-20 | Flame-retardant laminate polymer battery protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211497468U true CN211497468U (en) | 2020-09-15 |
Family
ID=72417689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922311770.9U Active CN211497468U (en) | 2019-12-20 | 2019-12-20 | Flame-retardant laminate polymer battery protection film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211497468U (en) |
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2019
- 2019-12-20 CN CN201922311770.9U patent/CN211497468U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3123, Huanqing Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Boyi Xincheng Polymer Materials Co.,Ltd. Address before: No. 3123, Huanqing Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN BYE POLYMER MATERIAL Co.,Ltd. |