CN207250623U - A kind of novel lithium battery membrane - Google Patents
A kind of novel lithium battery membrane Download PDFInfo
- Publication number
- CN207250623U CN207250623U CN201721040277.2U CN201721040277U CN207250623U CN 207250623 U CN207250623 U CN 207250623U CN 201721040277 U CN201721040277 U CN 201721040277U CN 207250623 U CN207250623 U CN 207250623U
- Authority
- CN
- China
- Prior art keywords
- ceramic layer
- fiberglass cloth
- lithium battery
- resin matrix
- cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 239000011152 fibreglass Substances 0.000 claims abstract description 38
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 229920005574 polyvinylidene vinyl fluoride Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- Cell Separators (AREA)
Abstract
The utility model discloses a kind of novel lithium battery membrane, including resin matrix, upper ceramic layer is coated with above the resin matrix, lower ceramic layer is coated with below the resin matrix, upper fiberglass cloth is equipped with the upside of the upper ceramic layer, lower fiberglass cloth is equipped with the downside of the lower ceramic layer, the resin matrix, upper ceramic layer, lower ceramic layer, the assembly edge wrap of upper fiberglass cloth and lower fiberglass cloth have fiberglass cloth tape, and the upper fiberglass cloth and the lower fiberglass cloth are equipped with hollow grid.The beneficial effects of the utility model：By setting fiberglass cloth, grid and fiber cloth band, the mechanical strength for the lithium battery diaphragm for making to finally obtain gets a promotion, and can keep lithium battery diaphragm thickness sufficiently thin as far as possible.
Description
Technical field
Battery diaphragm technical field is the utility model is related to, it particularly relates to a kind of novel lithium battery membrane.
Background technology
In the structure of lithium battery, membrane is one of crucial interior layer assembly.The performance of membrane determines the interface knot of battery
Structure, internal resistance etc., directly affect the characteristics such as capacity, circulation and the security performance of battery, the membrane of excellent performance is to improving battery
Comprehensive performance have the function that it is important.The main function of membrane is that the positive and negative electrode for making battery is separated, and prevents the two poles of the earth from connecing
Touch and short-circuit, additionally have the function of to make electrolyte ion by.Membrane material is nonconducting, its physicochemical properties
Have a great impact to the performance of battery.The species of battery is different, and the membrane of use is also different.It is serial for lithium battery, due to
Electrolyte is organic solvent system, thus needs the diaphragm material of organic solvent-resistant.Membrane of the prior art, some mechanics
Performance is good, but thickness is excessive, and some thickness is not high, but poor mechanical property, membrane is kept low thickness, high mechanicalness
Always one of direction of this area research.
The problem of in correlation technique, not yet propose effective solution at present.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of novel lithium battery membrane, mechanicalness
Can high, thickness bottom.
To realize above-mentioned technical purpose, what the technical solution of the utility model was realized in：
A kind of novel lithium battery membrane, including resin matrix, the resin matrix top are coated with upper ceramic layer, the tree
Lower ceramic layer is coated with below aliphatic radical body, upper fiberglass cloth, the lower ceramic layer downside are equipped with the upside of the upper ceramic layer
Equipped with lower fiberglass cloth, the resin matrix, upper ceramic layer, lower ceramic layer, upper fiberglass cloth and lower glass fibre
The assembly edge wrap of layer of cloth has fiberglass cloth tape, is set on the upper fiberglass cloth and the lower fiberglass cloth
There is hollow grid.
Further, the thickness of the upper ceramic layer and the lower ceramic layer is 2 ~ 5um.
Further, the thickness of the upper fiberglass cloth and lower fiberglass cloth is 0.1mm ~ 0.3mm.
Further, the resin matrix is equipped with micropore.
Further, it is equipped with aqueous polyvinylidene vinyl fluoride glue point in the hollow grid.
The beneficial effects of the utility model：By setting fiberglass cloth, grid and fiber cloth band, make what is finally obtained
The mechanical strength of lithium battery diaphragm gets a promotion, and can keep lithium battery diaphragm thickness sufficiently thin as far as possible.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of side structure schematic diagram of novel lithium battery membrane according to the utility model embodiment；
Fig. 2 is a kind of positive structure schematic of novel lithium battery membrane according to the utility model embodiment.
In figure：1. resin matrix；2. upper ceramic layer；3. lower ceramic layer；Fiberglass cloth on 4.；5. lower glass fabric
Layer；6. fiberglass cloth tape；7. hollow grid；8. micropore；9. aqueous polyvinylidene vinyl fluoride glue point.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained, all belong to
In the scope of the utility model protection.
As shown in Figure 1 and 2, a kind of novel lithium battery membrane according to the utility model embodiment, including resin matrix
1, the top of resin matrix 1 is coated with upper ceramic layer 2, and the lower section of resin matrix 1 is coated with lower ceramic layer 3, the upper pottery
The upside of enamel coating 2 is equipped with upper fiberglass cloth 4, and the lower downside of ceramic layer 3 is equipped with lower fiberglass cloth 5, the resin base
Body 1, upper ceramic layer 2, lower ceramic layer 3, the assembly edge wrap of upper fiberglass cloth 4 and lower fiberglass cloth 5 have glass
Glass fiber cloth band 6, the upper fiberglass cloth 4 and the lower fiberglass cloth 5 are equipped with hollow grid 7.
Upper ceramic layer 2 and lower ceramic layer 3 can improve the heat-shrinkable of inner septum, with closing fiberglass cloth 4, lower glass
Scrim cloth 5 and fiberglass cloth tape 6 make the mechanical strength of membrane significantly be lifted, under the presence of hollow grid 7 causes
The thickness of fiberglass cloth 5 and fiberglass cloth tape 6 does not have any negative effect to the performance of membrane in itself, with existing skill
In art, compared by MULTILAYER COMPOSITE membrane structure to increase membrane mechanicalness, the solution of the present invention is simpler effectively, and cost is low
It is honest and clean.
In a specific embodiment, the thickness of the upper ceramic layer 2 and the lower ceramic layer 3 is 2 ~ 5um.
In a specific embodiment, the thickness of the upper fiberglass cloth 4 and lower fiberglass cloth 5 is
0.1mm~0.3mm。
In order to increase through performance of the membrane to lithium ion, the resin matrix 1 is equipped with micropore 8.
In order to improve the shrinkage of membrane, aqueous polyvinylidene vinyl fluoride glue point 9 is equipped with the hollow grid 7.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of novel lithium battery membrane, it is characterised in that including resin matrix（1）, the resin matrix（1）Top is coated with
Upper ceramic layer（2）, the resin matrix（1）Lower section is coated with lower ceramic layer（3）, the upper ceramic layer（2）Upside is equipped with upper glass
Glass scrim cloth（4）, the lower ceramic layer（3）Downside is equipped with lower fiberglass cloth（5）, the resin matrix（1）, upper ceramics
Layer（2）, lower ceramic layer（3）, upper fiberglass cloth（4）With lower fiberglass cloth（5）Assembly edge wrap have glass
Fiber cloth band（6）, the upper fiberglass cloth（4）With the lower fiberglass cloth（5）It is equipped with hollow grid（7）.
A kind of 2. novel lithium battery membrane according to claim 1, it is characterised in that the upper ceramic layer（2）With it is described
Lower ceramic layer（3）Thickness be 2 ~ 5um.
A kind of 3. novel lithium battery membrane according to claim 1, it is characterised in that the upper fiberglass cloth（4）
With lower fiberglass cloth（5）Thickness be 0.1mm ~ 0.3mm.
A kind of 4. novel lithium battery membrane according to claim 1, it is characterised in that the resin matrix（1）It is equipped with
Micropore（8）.
A kind of 5. novel lithium battery membrane according to claim 1, it is characterised in that the hollow grid（7）Inside it is equipped with
Aqueous polyvinylidene vinyl fluoride glue point（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040277.2U CN207250623U (en) | 2017-08-18 | 2017-08-18 | A kind of novel lithium battery membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040277.2U CN207250623U (en) | 2017-08-18 | 2017-08-18 | A kind of novel lithium battery membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250623U true CN207250623U (en) | 2018-04-17 |
Family
ID=61880812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721040277.2U Expired - Fee Related CN207250623U (en) | 2017-08-18 | 2017-08-18 | A kind of novel lithium battery membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370719A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | High-conductivity bipolar plate for flow battery and continuous processing device and method thereof |
-
2017
- 2017-08-18 CN CN201721040277.2U patent/CN207250623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370719A (en) * | 2020-03-19 | 2020-07-03 | 辽宁科京新材料科技有限公司 | High-conductivity bipolar plate for flow battery and continuous processing device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel lithium battery separator Effective date of registration: 20190620 Granted publication date: 20180417 Pledgee: Bank of Communications Limited Jiujiang Branch Pledgor: JIUJIANG ATOP NEW MATERIALS CO.,LTD. Registration number: 2019990000590 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |