CN204011539U - The manufacturing installation of lithium ion battery separator - Google Patents
The manufacturing installation of lithium ion battery separator Download PDFInfo
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- CN204011539U CN204011539U CN201420467400.9U CN201420467400U CN204011539U CN 204011539 U CN204011539 U CN 204011539U CN 201420467400 U CN201420467400 U CN 201420467400U CN 204011539 U CN204011539 U CN 204011539U
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- applicator roll
- manufacturing installation
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- lithium ion
- ion battery
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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 utility model discloses a kind of manufacturing installation of lithium ion battery separator.Described manufacturing installation comprises for extracting that film forming solvent forms the extraction cells of microporous polyolefin film and for barrier film is dry and eliminate the thermal finalization unit of internal stress, it also comprise be arranged between described extraction cells and thermal finalization unit for apply the ceramic coater unit of one deck ceramic layer in microporous polyolefin film, the input of described ceramic coater unit and the output of described extraction cells join, and the input of the output of described ceramic coater unit and described thermal finalization unit joins.The purpose of this utility model is to provide a kind of manufacturing installation of lithium ion battery separator, and its ceramic coating speed is fast, efficiency is high, production cost is low.
Description
Technical field
the utility model relates to a kind of manufacturing installation of lithium ion battery separator, particularly a kind of manufacturing installation with the lithium ion ceramic diaphragm of ceramic coating.
Background technology
polyolefine material has the advantages such as intensity is high, acid-alkali-corrosive-resisting good, waterproof, chemical-resistant reagent, good biocompatibility, nontoxicity, in various fields, is widely used.Current, commercial liquid lithium ionic cell is used micropore polyolefin barrier diaphragm mostly, because polyalkene diaphragm reasonably can provide good mechanical performance and chemical stability within the scope of cost, and has the self-closing performance of high temperature, can guarantee the fail safe of lithium ion battery on routine use.The lithium battery diaphragm generally using is in the market mainly three kinds of polyethylene barrier film, polypropylene diaphragm and polyethylene and polyacrylic composite diaphragms.And for high power high-energy electrokinetic cell and large capacity 3C battery, this class battery is very high to security requirement, that above-mentioned three kinds of polyalkene diaphragms exist is poor with the wetting property of electrolyte, the poor heat stability under high temperature, the shortcoming such as high pressure resistant oxidation not, uses separately polyalkene diaphragm cannot meet instructions for use.
Summary of the invention
for the problems referred to above, the purpose of this utility model is to provide a kind of manufacturing installation of lithium ion battery separator, and its ceramic coating speed is fast, efficiency is high, production cost is low.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
a kind of manufacturing installation of lithium ion battery separator, comprise for extracting that film forming solvent forms the extraction cells of microporous polyolefin film and for barrier film is dry and eliminate the thermal finalization unit of internal stress, it also comprise be arranged between described extraction cells and thermal finalization unit for apply the ceramic coater unit of one deck ceramic layer in microporous polyolefin film, the input of described ceramic coater unit and the output of described extraction cells join, and the input of the output of described ceramic coater unit and described thermal finalization unit joins.
preferably, described ceramic coater unit comprises frame, can be arranged at rotationally the applicator roll in described frame around Pivot Point Center line, be arranged in described frame for removing the scraper of coating fluid unnecessary on described applicator roll, for film being imported and is derived the deflector roll of ceramic coater unit, store the barrel of coating fluid, for coating fluid is transferred to the magazine on described applicator roll, for the coating fluid of described barrel being delivered to the charging pump of described magazine, described applicator roll is horizontally disposed with, the bottom of described applicator roll contacts with the coating fluid in described magazine, described deflector roll is directed to described applicator roll by microporous polyolefin film and contacts with the periphery of applicator roll, the rotation direction of described applicator roll is contrary with the throughput direction of microporous polyolefin film on described applicator roll.
more preferably, offer many grooves on the periphery of described applicator roll, described groove is staggered is netted.
more preferably, microporous polyolefin film contacts with the top of described applicator roll, and described scraper is positioned at the side of described applicator roll, and described applicator roll passes through described magazine, microporous polyolefin film, described scraper successively.
the utility model adopts technique scheme, tool has the following advantages compared to existing technology: this online ceramic coated mode of ceramic coater unit is set in the manufacturing installation of lithium ion battery separator, directly by ceramic coater unit by ceramic layer coats on polyalkene diaphragm base material, then by heat treatment, traction rolling obtains ceramic coating membrane.By ceramic coated, process temperature tolerance and the high pressure resistant oxidizability that has improved polyalkene diaphragm on the one hand, improved the wettability to electrolyte, in addition, not only speed is fast, efficiency is high for online ceramic coated mode, be coated with serially production, greatly reduced cost, and can by online adjustment barrier film production technology, change the performance of the polyalkene diaphragm base material entering before ceramic coater unit, to obtain more excellent ceramic diaphragm.
Accompanying drawing explanation
fig. 1 is the structural representation of the manufacturing installation of lithium ion battery separator of the present utility model;
fig. 2 is the partial enlarged drawing at A place in Fig. 1;
fig. 3 is the vertical view of the manufacturing installation of lithium ion battery separator of the present utility model.
wherein, 1, extraction cells; 2, ceramic coater unit; 21, frame; 22, barrel; 23, magazine; 24, applicator roll; 25, scraper; 26, deflector roll; 3, thermal finalization unit; 4, film.
Embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that, protection range of the present utility model is made to more explicit defining.
fig. 1 is to the manufacturing installation that Figure 3 shows that a kind of lithium ion battery separator.This lithium ion battery manufacturing installation comprises that film forming solvent forms the extraction cells 1 of microporous polyolefin film and for barrier film being dried and being eliminated the thermal finalization unit 3 of internal stress, extraction cells 1 also comprises before extrudes unit, draw unit (not shown) etc. for extracting.This manufacturing installation also comprise be arranged between described extraction cells 1 and thermal finalization unit 3 for apply the ceramic coater unit 2 of one deck ceramic layer in microporous polyolefin film, the output of the input of described ceramic coater unit 2 and described extraction cells 1 joins, and the input of the output of described ceramic coater unit 2 and described thermal finalization unit 3 joins.
shown in Fig. 1 and Fig. 2, described ceramic coater unit 2 comprises frame 21, can be arranged at rotationally the applicator roll 24 in described frame 21 around Pivot Point Center line, be arranged in described frame 21 for removing the scraper 25 of coating fluid unnecessary on described applicator roll 24, for film 4 being imported and is derived the deflector roll 26 of ceramic coater unit 2, store the barrel 22 of coating fluid, for coating fluid is transferred to the (not shown) on described applicator roll 24, for the coating fluid of described barrel 22 being delivered to the charging pump of described magazine 23, described applicator roll 24 is horizontally disposed with, the bottom of described applicator roll 24 contacts with the coating fluid in described magazine 23, described deflector roll 26 is directed to described applicator roll 24 by microporous polyolefin film and contacts with the periphery of applicator roll 24, the rotation direction of described applicator roll 24 is contrary with the throughput direction of microporous polyolefin film on described applicator roll 24, be called again reverse kiss and be coated with method.On the periphery of described applicator roll 24, offer many grooves, described groove is staggered is netted.Particularly, microporous polyolefin film contacts with the top of described applicator roll 24, and described scraper 25 is positioned at the side of described applicator roll 24, and described applicator roll 24 passes through described magazine 23, microporous polyolefin film, described scraper 25 successively.
by changing distribution density, the form of applicator roll 24 upper grooves and changing applicator roll 24, can regulate coating weight with the speed ratio of microporous barrier, i.e. the thickness of ceramic layer.By baking oven, be dried and thermal finalization.Moisture in coating fluid is fully evaporated in baking oven, and the ceramic material of coating is cured, and carrys out thermal finalization by baking oven simultaneously, eliminates film 4 internal stresss, and stabilizing films 4 internal structures conventionally coordinate and adopt stenter to complete.
the film 4 of addressing in the utility model is general terms of microporous barrier, barrier film etc.
above-described embodiment is only explanation technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to Spirit Essence of the present utility model change or modify, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. the manufacturing installation of a lithium ion battery separator, comprise for extracting that film forming solvent forms the extraction cells of microporous polyolefin film and for barrier film is dry and eliminate the thermal finalization unit of internal stress, it is characterized in that: it also comprise be arranged between described extraction cells and thermal finalization unit for apply the ceramic coater unit of one deck ceramic layer in microporous polyolefin film, the input of described ceramic coater unit and the output of described extraction cells join, and the input of the output of described ceramic coater unit and described thermal finalization unit joins.
2. the manufacturing installation of lithium ion battery separator according to claim 1, it is characterized in that: described ceramic coater unit comprises frame, can be arranged at rotationally the applicator roll in described frame around Pivot Point Center line, be arranged in described frame for removing the scraper of coating fluid unnecessary on described applicator roll, for film being imported and is derived the deflector roll of ceramic coater unit, store the barrel of coating fluid, for coating fluid is transferred to the magazine on described applicator roll, for the coating fluid of described barrel being delivered to the charging pump of described magazine, described applicator roll is horizontally disposed with, the bottom of described applicator roll contacts with the coating fluid in described magazine, described deflector roll is directed to described applicator roll by microporous polyolefin film and contacts with the periphery of applicator roll, the rotation direction of described applicator roll is contrary with the throughput direction of microporous polyolefin film on described applicator roll.
3. the manufacturing installation of lithium ion battery separator according to claim 2, is characterized in that: on the periphery of described applicator roll, offer many grooves, described groove is staggered is netted.
4. the manufacturing installation of lithium ion battery separator according to claim 2, it is characterized in that: microporous polyolefin film contacts with the top of described applicator roll, described scraper is positioned at the side of described applicator roll, and described applicator roll passes through described magazine, microporous polyolefin film, described scraper successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467400.9U CN204011539U (en) | 2014-08-19 | 2014-08-19 | The manufacturing installation of lithium ion battery separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467400.9U CN204011539U (en) | 2014-08-19 | 2014-08-19 | The manufacturing installation of lithium ion battery separator |
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| Publication Number | Publication Date |
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| CN204011539U true CN204011539U (en) | 2014-12-10 |
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| CN201420467400.9U Active CN204011539U (en) | 2014-08-19 | 2014-08-19 | The manufacturing installation of lithium ion battery separator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183804A (en) * | 2014-08-19 | 2014-12-03 | 苏州捷力新能源材料有限公司 | Lithium-ion battery diaphragm manufacturing device as well as manufacturing method |
| CN106129477A (en) * | 2016-09-23 | 2016-11-16 | 宁德时代新能源科技股份有限公司 | Rolling device and rolling method |
| CN106140508A (en) * | 2016-08-25 | 2016-11-23 | 无锡溥汇机械科技有限公司 | A kind of high speed rotating spin coating dish |
| CN110694870A (en) * | 2015-03-31 | 2020-01-17 | 帝人株式会社 | Apparatus for manufacturing composite film |
| CN112864528A (en) * | 2021-04-26 | 2021-05-28 | 江苏厚生新能源科技有限公司 | Biaxial tension coating microporous diaphragm for lithium ion battery and preparation method thereof |
| CN114914627A (en) * | 2022-06-15 | 2022-08-16 | 惠州锂威新能源科技有限公司 | Oily diaphragm, preparation method thereof and lithium ion battery |
-
2014
- 2014-08-19 CN CN201420467400.9U patent/CN204011539U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183804A (en) * | 2014-08-19 | 2014-12-03 | 苏州捷力新能源材料有限公司 | Lithium-ion battery diaphragm manufacturing device as well as manufacturing method |
| CN110694870A (en) * | 2015-03-31 | 2020-01-17 | 帝人株式会社 | Apparatus for manufacturing composite film |
| CN106140508A (en) * | 2016-08-25 | 2016-11-23 | 无锡溥汇机械科技有限公司 | A kind of high speed rotating spin coating dish |
| CN106129477A (en) * | 2016-09-23 | 2016-11-16 | 宁德时代新能源科技股份有限公司 | Rolling device and rolling method |
| CN112864528A (en) * | 2021-04-26 | 2021-05-28 | 江苏厚生新能源科技有限公司 | Biaxial tension coating microporous diaphragm for lithium ion battery and preparation method thereof |
| CN114914627A (en) * | 2022-06-15 | 2022-08-16 | 惠州锂威新能源科技有限公司 | Oily diaphragm, preparation method thereof and lithium ion battery |
| CN114914627B (en) * | 2022-06-15 | 2023-06-20 | 惠州锂威新能源科技有限公司 | Oily diaphragm, preparation method thereof and lithium ion battery |
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