CN206163583U - High liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane - Google Patents
High liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane Download PDFInfo
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- CN206163583U CN206163583U CN201620766202.1U CN201620766202U CN206163583U CN 206163583 U CN206163583 U CN 206163583U CN 201620766202 U CN201620766202 U CN 201620766202U CN 206163583 U CN206163583 U CN 206163583U
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- Prior art keywords
- high molecular
- ultra high
- diaphragm
- weight polyethylene
- barrier film
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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 high liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane, including the polyolefin diaphragm, the upper surface of polyolefin diaphragm is equipped with an ultra high molecular polyethylene membrane, be equipped with a polypropylene materials layer on the ultra high molecular polyethylene membrane, scribble alumina ceramics on the polypropylene materials layer, the lower surface of polyolefin diaphragm is equipped with the 2nd ultra high molecular polyethylene membrane, be equipped with the 2nd polypropylene materials layer on the 2nd ultra high molecular polyethylene membrane, be equipped with micropore no. 1 on the polyolefin diaphragm, be equipped with micropore no. 2 on the ultra high molecular polyethylene membrane, be equipped with micropore no. 3 on the 2nd ultra high molecular polyethylene membrane.
Description
Technical field
The utility model is related to polymeric material field, it particularly relates to a kind of poly- second of high extension liquid energy power supra polymer
Alkene lithium battery composite polypropylene barrier film.
Background technology
Polyethylene is one of maximum, most widely used plastics variety of current production rate, accounts for the 30% of world's plastics total output.
Wherein, LDPE, HDPE and it is referred to as LLDPE of third generation polyethylene etc. and belongs to thermoplasticity general-purpose plastics, has molecule only
The UHMEPE of amount up to more than 1,500,000, because physical and mechanical property is excellent as engineering plastics application.UHMWPE is high
Molecular weight（The molecular weight of HDPE generally only 2～300,000）Its excellent performance is given, and belongs to moderate, property
The excellent thermoplastic engineering plastic of energy, it has almost concentrated the advantage of various plastics, with common polythene and other engineering plastics
Expect unrivaled wear-resisting, impact resistance, self-lubricating, corrosion-resistant, to absorb impact energy, low temperature resistant, health nontoxic, not easy-adhesion, no
The combination property such as hygroscopic, density is less.In fact, there is presently no a kind of simple macromolecular material have concurrently it is so numerous
Excellent properties.At present ultra-high molecular weight polyethylene has had been applied to numerous areas, but not yet should because its hydrophily is not good
For lithium battery diaphragm.The main function in battery material of barrier film for isolation both positive and negative polarity with prevent battery self discharging and
The problems such as the two poles of the earth short circuit, lithium ion battery separator material can be divided into：Weaving film, nowoven membrane（Non-woven fabrics）, microporous barrier, be combined
A few classes such as film, diaphragm paper, laminate, but due to being filled with the corrosion of electrolyte and the change of temperature in the working environment of battery
Change, so in Long-Time Service, the stability in use of above-mentioned various lithium battery diaphragms is poor, is unfavorable for the steady in a long-term of battery
Use.And adopting cylindrical hole the microporous barrier of lithium battery at present more, the extension liquid energy power of film is general, is unfavorable for that ion passes through.
For the problem in correlation technique, effective solution is not yet proposed at present.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of poly- second of high extension liquid energy power supra polymer
Alkene lithium battery composite polypropylene barrier film, can solve the problem that the existing lithium battery diaphragm stability in use of solution is poor so that being unfavorable for battery
Use steady in a long-term, film extension liquid energy power it is general so that being unfavorable for the problem that ion passes through.
To realize above-mentioned technical purpose, what the technical solution of the utility model was realized in：
A kind of high extension liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, including polyalkene diaphragm, it is described
The upper surface of polyalkene diaphragm is provided with the first ultra high molecular polyethylene barrier film, and the first ultra high molecular polyethylene barrier film is provided with
First polypropylene material, on first polypropylene material aluminium oxide ceramics is scribbled；The lower surface of the polyalkene diaphragm
The second ultra high molecular polyethylene barrier film is provided with, the second ultra high molecular polyethylene barrier film is provided with the second polypropylene material；
The polyalkene diaphragm is provided with micropore one, and the first ultra high molecular polyethylene barrier film is provided with micropore two, described the second to surpass
High-molecular polythene barrier film is provided with micropore three.
Further, the thickness of the first ultra high molecular polyethylene porous septum is 4 μm.
Further, the thickness of the second ultra high molecular polyethylene porous septum is 7 μm.
Further, the thickness of the polyalkene diaphragm is 4 μm.
Further, the thickness of first polypropylene material is 3 μm.
Further, the thickness of second polypropylene material is 3 μm.
The beneficial effects of the utility model：This product, as matrix, makes this product have high intensity from polyalkene diaphragm,
Good wearability and stronger anti-sunlight and weathering capabilities；This product is provided with non-cylindrical micropore one, micropore two and micro-
Hole three, more convenient ion passes through；This product is provided with polypropylene material, makes good surface rigidity that this product has and anti-zoned
Trace characteristic.
When this product works in the electrolytic corrosion environment of battery, good heat-resisting quantity and stability can be kept,
So as to extend the service life of battery.Simultaneously because hang liquid energy power improving, the performance of battery is enhanced, make lithium ion battery
Efficient stable runs, and has good using value.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is that the high liquid energy power ultrahigh-molecular-weight polyethylene lithium of hanging according to the utility model embodiment is combined poly- third
The structural representation of alkene barrier film.
In figure：
1st, polyalkene diaphragm；2nd, the first ultra high molecular polyethylene barrier film；3rd, the second ultra high molecular polyethylene barrier film；4th, first
Polypropylene material；5th, the second polypropylene material；6th, aluminium oxide ceramics；7th, micropore one；8th, micropore three；9th, micropore two.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
As shown in figure 1, the high extension liquid energy power ultra high molecular polyethylene lithium electricity of one kind according to the utility model embodiment
Pond composite polypropylene barrier film, including polyalkene diaphragm 1, the upper surface of the polyalkene diaphragm 1 is provided with the poly- second of the first supra polymer
Alkene barrier film 2, the first ultra high molecular polyethylene barrier film 2 is provided with the first polypropylene material 4, first polypropylene material
Aluminium oxide ceramics 6 is scribbled on layer 4；The lower surface of the polyalkene diaphragm 1 is provided with the second ultra high molecular polyethylene barrier film 3, described
Second ultra high molecular polyethylene barrier film 3 is provided with the second polypropylene material 5；The polyalkene diaphragm 1 is provided with micropore 1,
The first ultra high molecular polyethylene barrier film 2 is provided with micropore 29, and the second ultra high molecular polyethylene barrier film 3 is provided with micro-
Hole 38.
Wherein, the thickness of the first ultra high molecular polyethylene porous septum 2 is 4 μm.
Wherein, the thickness of the second ultra high molecular polyethylene porous septum 3 is 7 μm.
Wherein, the thickness of the polyalkene diaphragm 1 is 4 μm.
Wherein, the thickness of first polypropylene material 4 is 3 μm.
Wherein, the thickness of second polypropylene material 5 is 3 μm.
It should be noted that the extension liquid energy power of film refers to the ability that film adsorbs electrolyte.
In sum, by means of above-mentioned technical proposal of the present utility model, this product is from polyalkene diaphragm 1 as base
Body, makes this product have high intensity, good wearability and stronger anti-sunlight and weathering capabilities；This product is provided with non-cylindrical
The micropore 1 of shape, micropore 29 and micropore 38, more convenient ion passes through；This product is provided with polypropylene material, has this product
The good surface rigidity having and anti-scratch characteristic.
When this product works in the electrolytic corrosion environment of battery, good heat-resisting quantity and stability can be kept,
So as to extend the service life of battery.Simultaneously because hang liquid energy power improving, the performance of battery is enhanced, make lithium ion battery high
Effect stable operation, there is good using value.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of height hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, it is characterised in that including polyolefin
Barrier film（1）, the polyalkene diaphragm（1）Upper surface be provided with the first ultra high molecular polyethylene barrier film（2）, first superelevation point
Sub- polyethylene diagrams（2）It is provided with the first polypropylene material（4）, first polypropylene material（4）On scribble aluminum oxide
Ceramics（6）；The polyalkene diaphragm（1）Lower surface be provided with the second ultra high molecular polyethylene barrier film（3）, second superelevation point
Sub- polyethylene diagrams（3）It is provided with the second polypropylene material（5）；The polyalkene diaphragm（1）It is provided with micropore one（7）, institute
State the first ultra high molecular polyethylene barrier film（2）It is provided with micropore two（9）, the second ultra high molecular polyethylene barrier film（3）On set
There is micropore three（8）.
2. height according to claim 1 hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, its feature
It is, the first ultra high molecular polyethylene porous septum（2）Thickness be 4 μm.
3. height according to claim 1 hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, its feature
It is, the second ultra high molecular polyethylene porous septum（3）Thickness be 7 μm.
4. height according to claim 1 hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, its feature
It is, the polyalkene diaphragm（1）Thickness be 4 μm.
5. height according to claim 1 hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, its feature
It is, first polypropylene material（4）Thickness be 3 μm.
6. height according to claim 1 hangs liquid energy power composite polypropylene diaphragm for ultrahigh-molecular-weight polyethylene lithium batteries, its feature
It is, second polypropylene material（5）Thickness be 3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620766202.1U CN206163583U (en) | 2016-07-20 | 2016-07-20 | High liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620766202.1U CN206163583U (en) | 2016-07-20 | 2016-07-20 | High liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163583U true CN206163583U (en) | 2017-05-10 |
Family
ID=58647803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620766202.1U Expired - Fee Related CN206163583U (en) | 2016-07-20 | 2016-07-20 | High liquid -hanging capability ultra -high molecular weight polyethylene lithium battery composite polypropylene membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163583U (en) |
-
2016
- 2016-07-20 CN CN201620766202.1U patent/CN206163583U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |