CN110265613A - A kind of column lithium ion battery Upper gasket - Google Patents
A kind of column lithium ion battery Upper gasket Download PDFInfo
- Publication number
- CN110265613A CN110265613A CN201910497778.0A CN201910497778A CN110265613A CN 110265613 A CN110265613 A CN 110265613A CN 201910497778 A CN201910497778 A CN 201910497778A CN 110265613 A CN110265613 A CN 110265613A
- Authority
- CN
- China
- Prior art keywords
- hole
- thin slice
- anode ear
- lithium ion
- ion battery
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
Abstract
The invention discloses a kind of column lithium ion battery Upper gaskets, it is the thin slice that shape is matched with lithium battery intracavity section, the thin slice is made of modified rubber material, it is equipped with the anode ear through-hole of prolate shape in the middle part of the thin slice, is equipped with close to thin slice outer edge around the side hole that multiple electrolysis liquid of anode ear through-hole permeate.The present invention is equipped with the through-hole of electrolysis liquid infiltration in thin slice center and outer edge, solves the problems, such as that electrolyte permeability is non-uniform；Anode ear can be placed at U-shaped opening after passing through anode ear through-hole, and the security risk being shorted occurs in the negative electrode tab for effectively preventing anode ear and battery core；Gas can be generated when charging in battery core, due to the distribution uniform of through-hole on thin slice, is more advantageous to the discharge of gas；Meanwhile thin slice is made of modified rubber material, so that Upper gasket has excellent heatproof, oil resistant and solvent resistance.
Description
Technical field
The invention belongs to technical field of lithium ion, and in particular, to a kind of column lithium ion battery Upper gasket.
Background technique
For enclosed secondary battery, usually will comprising positive plate, negative plate and configuration positive plate and negative plate it
Between the polar plate group of diaphragm and the cell device of the electrolyte for impregnating the polar plate group be received into a part opening battery case
The inside of body (outer housing), using the seal body sealed for the opening to battery case come closed.In addition, closed at this
In type secondary cell, such as in positive plate and the contact for the positive terminal being electrically connected, negative plate and the negative terminal that is electrically connected
Contact, in order to prevent the short circuit between a pair of terminal, prevent electrolyte leakage and be equipped with gasket.For the gasket, it is desirable that electricity
Solve electrolyte resistance, the excellent air-tightness of liquid.
Traditional Upper gasket is only provided with the circular hole of a diameter 6-8mm at center.It will lead to the infiltration of electrolyte in this way
Unevenly, and anode ear is easy to contact with battery core or steel shell to cause short circuit, causes dangerous.Meanwhile traditional Upper gasket uses
Be the materials such as polyamide, polyarylene sulfide resin or tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin, this kind of tree
Rouge can have Shortcomings in electrolyte resistance and heat resistance, and then influence the service life of gasket.
Summary of the invention
The purpose of the present invention is to provide a kind of column lithium ion battery Upper gaskets, equal in thin slice center and outer edge
Through-hole equipped with the infiltration of electrolysis liquid, solves the problems, such as that electrolyte permeability is non-uniform；Anode ear can after passing through anode ear through-hole
It is placed at U-shaped opening, the security risk being shorted occurs in the negative electrode tab for effectively preventing anode ear and battery core；Meeting in battery core when charging
It generates gas and the discharge of gas is more advantageous to due to the distribution uniform of through-hole on thin slice；Meanwhile thin slice is using modification
Rubber material is made, so that Upper gasket has excellent heatproof, oil resistant and solvent resistance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of column lithium ion battery Upper gasket, it is described for the thin slice that shape is matched with lithium battery intracavity section
Thin slice is made of modified rubber material, and the anode ear through-hole of prolate shape is equipped in the middle part of the thin slice, close to thin slice outer edge
The side hole permeated equipped with multiple electrolysis liquid around anode ear through-hole；
The modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:2-3, and treatment fluid is added, with
200r/min stirs 3-4h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, eats
3 knives are respectively cut in left and right 3/4 after material, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, one step cure condition be 170 DEG C/15MPa ×
t90, post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material.
Further, the side hole (3) is in U-shape distribution around anode ear through-hole (2).
Further, the side hole (3) is circle, and quantity is at least six.
Further, the anode ear through-hole (2) is set to thin slice (1) center and is biased at U-shaped opening.
Further, anode ear through-hole (2) side is equipped with the center secondary orifices (4) of electrolysis liquid infiltration, center secondary orifices
(4) anode ear through-hole (2) are set to far from U-shaped opening side.
Further, the additional amount for the treatment of fluid is 2-2.2 times of Fanglun slurry cake quality in modified rubber material preparation process.
Further, fluorubber, acid absorbent, processing aid, pretreated filler, vulcanization in modified rubber material preparation process
The weight ratio of agent is 100:0.6-0.8:1-2:8-10:1.6-2；Vulcanizing agent is cumyl peroxide.
Beneficial effects of the present invention:
The present invention is equipped with the through-hole of electrolysis liquid infiltration in thin slice center and outer edge, solves electrolyte permeability not
Uniform problem；Anode ear can be placed at U-shaped opening after passing through anode ear through-hole, effectively prevent the cathode of anode ear and battery core
There is the security risk being shorted in piece；Gas can be generated when charging in battery core, due to the distribution uniform of through-hole on thin slice, more
Be conducive to the discharge of gas；
Thin slice of the invention is made of modified rubber material, and modified rubber material is using fluorubber as matrix, fluorubber
With the characteristics such as heat-resisting, oil resistant, solvent resistant, powerful oxidation corrosion resistance agent and good physical property, as the matrix material of gasket
Material, so that gasket has the performances such as excellent heat-resisting, electrolyte resistance；Fibrous sepiolite surface contain Si-OH group and
The acid site Bronsted-Lewis, chemical activity with higher, cumyl peroxide is no carboxyl peroxide, to acid
Sensitivity, the addition of fibrous sepiolite easily makes it decomposite more free radicals, to make curingprocess rate increase, when two kinds of fillers
When (fibrous sepiolite and Fanglun slurry cake) modified synergic fluorubber, fibrous sepiolite promotes Fanglun slurry cake in fluorubber
Distribution, increase the effect of radical crosslinking, filler be dispersed in rubber matrix, and rubber can be improved
Vulcanization characteristics, enhance the performance of rubber；Also, Fanglun slurry cake has good a piece of wood serving as a brake to halt a carriage as high modulus fibre, regardless of more
The draw ratio that pulp will not be all reduced during fierce hybrid process is a kind of staple fiber material of surface fibrillation processing
Expect, unique numerous bifurcation structures provide preferable mechanical interlocking and boundary for the bonding of itself and rubber matrix on trunk fiber
Face associativity, thus it is fine with fluorubber composite effect, the hardness and stress at definite elongation of vulcanizate can be significantly improved, can also be mentioned
The high temperature resistance of high sizing material.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of structural schematic diagram of column lithium ion battery Upper gasket of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
A kind of column lithium ion battery Upper gasket, as shown in Figure 1, what it was matched for shape with lithium battery intracavity section
Thin slice 1, thin slice 1 are made of modified rubber material, and the anode ear through-hole 2 of prolate shape is equipped in the middle part of the thin slice 1, close to thin slice
Outer edge is equipped with around the side hole 3 that multiple electrolysis liquid of anode ear through-hole 2 permeate；
The side hole 3 is in U-shape distribution around anode ear through-hole 2；
The side hole 3 is circle, and quantity is at least six；
The anode ear through-hole 2 is set to 1 center of thin slice and is biased at U-shaped opening；
2 side of anode ear through-hole is equipped with the center secondary orifices 4 of electrolysis liquid infiltration, and center secondary orifices 4 is preferably disposed on just
Tab through-hole 2 is far from U-shaped opening side；
In the specific implementation process, anode ear can be placed at U-shaped opening after passing through anode ear through-hole 2, be effectively prevented just
There is the security risk being shorted in the negative electrode tab of tab and battery core；The infiltration of electrolysis liquid is equipped in 1 center of thin slice and outer edge
Through-hole, solve the problems, such as that electrolyte permeability is non-uniform；Gas can be generated when charging in battery core, due to point of through-hole on thin slice
Cloth is more uniform, therefore is more advantageous to the discharge of gas；
The modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:2-3, and treatment fluid is added, with
200r/min stirs 3-4h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Wherein, the additional amount for the treatment of fluid is 2-2.2 times of Fanglun slurry cake quality；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, eats
3 knives are respectively cut in left and right 3/4 after material, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Wherein, fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent weight ratio be 100:0.6-0.8:
1-2:8-10:1.6-2；Vulcanizing agent is cumyl peroxide；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, one step cure condition be 170 DEG C/15MPa ×
t90, post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material；
Fluorubber has characteristics and the good physical properties such as heat-resisting, oil resistant, solvent resistant, powerful oxidation corrosion resistance agent, is made
For the basis material of gasket, so that gasket has the performances such as excellent heat-resisting, electrolyte resistance；Contain on fibrous sepiolite surface
Si-OH group and the acid site Bronsted-Lewis, chemical activity with higher, cumyl peroxide are no carboxyl peroxides
Compound, acid labile, the addition of fibrous sepiolite easily makes it decomposite more free radicals, so that curingprocess rate be made to increase
Add, when two kinds of fillers (fibrous sepiolite and Fanglun slurry cake) modified synergic fluorubber, fibrous sepiolite promotes aramid fiber
Distribution of the pulp in fluorubber, increases the effect of radical crosslinking, filler is dispersed in rubber matrix,
And the vulcanization characteristics that can improve rubber enhances the performance of rubber；Also, Fanglun slurry cake has fine as high modulus fibre
A piece of wood serving as a brake to halt a carriage, regardless of how fierce hybrid process during will not all reduce the draw ratio of pulp, be a kind of surface fibrillation
The short fiber material of processing, unique numerous bifurcation structures provide preferably for the bonding of itself and rubber matrix on trunk fiber
Mechanical interlocking and interfacial bonding property, thus it is fine with fluorubber composite effect, the hardness of vulcanizate can be significantly improved and determined
Stress is stretched, can also be improved the high temperature resistance of sizing material.
Embodiment 1
Modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:2, and treatment fluid is added, with
200r/min stirs 3h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Wherein, the additional amount for the treatment of fluid is 2 times of Fanglun slurry cake quality；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, eats
3 knives are respectively cut in left and right 3/4 after material, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Wherein, fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent weight ratio be 100:0.6:1:8:
1.6；Vulcanizing agent is cumyl peroxide；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, one step cure condition be 170 DEG C/15MPa ×
t90, post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material.
Embodiment 2
Modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:2.5, and treatment fluid is added, with
200r/min stirs 3.5h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Wherein, the additional amount for the treatment of fluid is 2.1 times of Fanglun slurry cake quality；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, eats
3 knives are respectively cut in left and right 3/4 after material, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Wherein, fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent weight ratio be 100:0.7:1.5:
9:1.8；Vulcanizing agent is cumyl peroxide；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, one step cure condition be 170 DEG C/15MPa ×
t90, post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material.
Embodiment 3
Modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:3, and treatment fluid is added, with
200r/min stirs 4h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Wherein, the additional amount for the treatment of fluid is 2.2 times of Fanglun slurry cake quality；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, eats
3 knives are respectively cut in left and right 3/4 after material, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Wherein, fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent weight ratio be 100:0.8:2:
10:2；Vulcanizing agent is cumyl peroxide；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, one step cure condition be 170 DEG C/15MPa ×
t90, post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material.
Comparative example 1
By in the second step of embodiment 1, fibrous sepiolite raw material is changed to Fanglun slurry cake.
Comparative example 2
By the pretreated filler raw material removal in the third step of embodiment 1.
Comparative example 3
Common commercially available lithium ion battery Upper gasket material.
Following performance test is done to material made from embodiment 1-3 and comparative example 1-3:
Mechanics Performance Testing: mechanical property, tensile property are measured using GMT-4104 type microcomputer control almighty test machine
It is tested according to GB/T 9431-2000 " plastics bending property experimental method "；Shao Er hardness is tested by GB/T-1992；Compression
Be permanently deformed performance: testing composite material using GB/T7759 " measurement of vulcanized rubber or thermoplastic elastomer compression set "
Compression set；Crosslink density is measured, test result is as follows table:
It is found that the tensile strength of material made from embodiment 1-3 is 7.89-7.96MPa, elongation at break 230.51-
230.67%, your the A hardness that continues is 72.5-72.8, illustrates that gasket material produced by the present invention has excellent mechanical property；Implement
The compression set rate of material made from example 1-3 is 10.7-11.0%, crosslink density 93.1-93.4molcm-3, in conjunction with
Comparative example 1 illustrates that fibrous sepiolite plays synergistic humidification to Fanglun slurry cake, facilitates the dispersion of Fanglun slurry cake, improves
The curability of rubber material；In conjunction with comparative example 2, the addition of filler has effective reinforcing effect.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of column lithium ion battery Upper gasket, which is characterized in that it was matched for shape with lithium battery intracavity section
Thin slice (1), the thin slice (1) are made of modified rubber material, and the anode ear through-hole of prolate shape is equipped in the middle part of the thin slice (1)
(2), the side hole (3) that multiple electrolysis liquid around anode ear through-hole (2) permeate is equipped with close to thin slice outer edge；
The modified rubber material is made by the following method:
The first step, according to volume ratio 1:20 by silane resin acceptor kh-550 adding into acetone, obtain treatment fluid；
Second step mixes fibrous sepiolite and Fanglun slurry cake according to mass ratio for 1:2-3, treatment fluid is added, with 200r/
Min stirs 3-4h, filtering, and solids is dried in 150 DEG C of vacuum ovens, obtains pretreated filler；
Fluorubber, acid absorbent, processing aid, pretreated filler, vulcanizing agent is successively added in third step on a mill, after material feeding
3 knives are respectively cut in left and right 3/4, it is thin it is logical beat triangle bag 6 times, exhaust bottom sheet obtains rubber compound；
Rubber compound is parked 12h by the 4th step, is vulcanized on vulcanizing press, and one step cure condition is 170 DEG C/15MPa × t90,
Post vulcanization condition is 230 DEG C × 16h, obtains modified rubber material.
2. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that the side hole (3) is enclosed
It is in U-shape distribution around anode ear through-hole (2).
3. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that the side hole (3) is
Circle, quantity are at least six.
4. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that the anode ear through-hole
(2) thin slice (1) center is set to be biased at U-shaped opening.
5. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that the anode ear through-hole
(2) side is equipped with the center secondary orifices (4) of electrolysis liquid infiltration, and center secondary orifices (4) is set to anode ear through-hole (2) and opens far from U-shaped
Mouth side.
6. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that modified rubber material system
The additional amount for the treatment of fluid is 2-2.2 times of Fanglun slurry cake quality during standby.
7. a kind of column lithium ion battery Upper gasket according to claim 1, which is characterized in that modified rubber material system
Weight ratio for fluorubber in the process, acid absorbent, processing aid, pretreated filler, vulcanizing agent is 100:0.6-0.8:1-2:
8-10:1.6-2；Vulcanizing agent is cumyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497778.0A CN110265613B (en) | 2019-06-10 | 2019-06-10 | Upper gasket of cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497778.0A CN110265613B (en) | 2019-06-10 | 2019-06-10 | Upper gasket of cylindrical lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110265613A true CN110265613A (en) | 2019-09-20 |
| CN110265613B CN110265613B (en) | 2022-06-24 |
Family
ID=67917390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497778.0A Active CN110265613B (en) | 2019-06-10 | 2019-06-10 | Upper gasket of cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110265613B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108036A (en) * | 1996-06-25 | 1998-01-13 | Akebono Brake Ind Co Ltd | Non-asbestos-based friction material |
| CN201178104Y (en) * | 2008-01-29 | 2009-01-07 | 天津力神电池股份有限公司 | Isolative upper spacer for lithium ionic cell |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
| CN203850368U (en) * | 2014-05-30 | 2014-09-24 | 福建金柏夷能源科技有限公司 | Upper insulation sheet |
| CN109370117A (en) * | 2018-08-09 | 2019-02-22 | 安徽中宏线缆有限公司 | A kind of ageing-resistant fluorubber cable sheath material of high fire-retardance |
-
2019
- 2019-06-10 CN CN201910497778.0A patent/CN110265613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH108036A (en) * | 1996-06-25 | 1998-01-13 | Akebono Brake Ind Co Ltd | Non-asbestos-based friction material |
| CN201178104Y (en) * | 2008-01-29 | 2009-01-07 | 天津力神电池股份有限公司 | Isolative upper spacer for lithium ionic cell |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
| CN203850368U (en) * | 2014-05-30 | 2014-09-24 | 福建金柏夷能源科技有限公司 | Upper insulation sheet |
| CN109370117A (en) * | 2018-08-09 | 2019-02-22 | 安徽中宏线缆有限公司 | A kind of ageing-resistant fluorubber cable sheath material of high fire-retardance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110265613B (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102888016B (en) | Preparation method of lithium-ion secondary battery diaphragm with crosslinking composite layer | |
| US7172830B2 (en) | Separator for fuel cell and manufacturing method for the same | |
| EP3041988B1 (en) | Separator paper for electrochemical cells | |
| CN108777281B (en) | Preparation method of lithium ion battery composite diaphragm | |
| CN111048723A (en) | Modified AGM diaphragm for lead-carbon battery and preparation method thereof | |
| WO2011111367A1 (en) | Reinforcing sheet for solid electrolyte membrane | |
| Horsfall et al. | Comparison of fuel cell performance of selected fluoropolymer and hydrocarbon based grafted copolymers incorporating acrylic acid and styrene sulfonic acid | |
| CN110265613A (en) | A kind of column lithium ion battery Upper gasket | |
| KR100420052B1 (en) | Glass Fiber Separator for Battery | |
| CN107326722B (en) | Preparation method of lithium battery diaphragm paper | |
| CN211530098U (en) | Composite proton exchange membrane and fuel cell | |
| CN106229448B (en) | A kind of lithium battery diaphragm paper and preparation method thereof | |
| CN206516691U (en) | A kind of battery separator paper | |
| CN114006032B (en) | Solid polymer electrolyte membrane and manufacturing method thereof | |
| US11094475B2 (en) | Separator for electrochemical element and electrochemical element | |
| JP2006164816A (en) | Sheet manufactured by papermaking method and separator for fuel cell | |
| KR20220158717A (en) | Cation exchange membrane and manufacturing method thereof | |
| RU2249884C2 (en) | Glass fiber blanket separator for sealed absorbed-electrolyte lead batteries | |
| CN113410498A (en) | Preparation method of proton exchange membrane | |
| JP4779188B2 (en) | Patterned electrolyte membrane | |
| CN106566014B (en) | A kind of insulation acid and alkali-resistance sizing material | |
| JP2021530851A (en) | Improved lead-acid battery separator | |
| WO2015080150A1 (en) | Lead storage cell separator and lead storage cell | |
| CN219658834U (en) | Top cap subassembly and battery | |
| JPS5973842A (en) | Separator for enclosed type lead storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |