CN106025350B - Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery - Google Patents
Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery Download PDFInfo
- Publication number
- CN106025350B CN106025350B CN201610499130.3A CN201610499130A CN106025350B CN 106025350 B CN106025350 B CN 106025350B CN 201610499130 A CN201610499130 A CN 201610499130A CN 106025350 B CN106025350 B CN 106025350B
- Authority
- CN
- China
- Prior art keywords
- gel electrolyte
- pvb
- base material
- lithium
- preparation
- 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
- 239000011245 gel electrolyte Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052744 lithium Inorganic materials 0.000 title abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 18
- 235000019441 ethanol Nutrition 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910003002 lithium salt Inorganic materials 0.000 claims description 15
- 159000000002 lithium salts Chemical class 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- 239000004014 plasticizer Substances 0.000 claims description 8
- -1 hexafluoroarsenate lithium Chemical compound 0.000 claims description 7
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- WDGKXRCNMKPDSD-UHFFFAOYSA-N lithium;trifluoromethanesulfonic acid Chemical compound [Li].OS(=O)(=O)C(F)(F)F WDGKXRCNMKPDSD-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002585 base Substances 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Conductive Materials (AREA)
Abstract
The present invention relates to using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery, the mode that double-screw melt blending squeezes out is used to be prepared for the gel electrolyte master batch using PVB as base material, then gel electrolyte master batch is dissolved in ethyl alcohol, until being completely dissolved, water white transparency, uniform sticky gel electrolyte are obtained.Gel electrolyte made from this method has higher conductivity and good mechanical strength, is used for lithium ion battery, while having higher conductivity and good mechanical performance.
Description
Technical field
The invention belongs to new chemical materials preparing technical fields, and in particular to a kind of using PVB as the gel electrolyte of base material
Preparation method and its application in lithium battery.
Background technology
Positive electrode, negative material, diaphragm and electrolyte needed for lithium ion battery manufacture are referred to as lithium-ion electric
The 4 big critical materials in pond.It is born so far from first, whole world commercial Li-ion battery in 1991, occupies and rule in electrolyte market
Status is still liquid electrolyte, that is, traditional liquid electrolyte.Electrolyte this have the advantage that conductivity height, and just
The compatibility of negative material is good, electrochemical window mouth width.But since it contains inflammable, volatile organic solvent, in battery charge and discharge
It is easy leakage, or even burning in electric process, causes safety problem.Especially under the conditions ofs high-power charge and discharge, super-charge super-discharge etc.
Big calorimetric is will produce, the generation of gas can be accelerated, inner pressure of battery is caused to increase, gas leakage or even explosion on fire, thus exist
Serious security risk.
Gel polymer electrolyte is a kind of novel functional high molecule material, is mainly made of polymeric matrix and salt
The novel ion conductor of one kind, have many advantages, such as safety, No leakage, can be made into any shape and paid attention to by researchers.
Up to the present, the polymer dielectric that people develop has polymethyl methacrylate (PMMA) base, polyoxy second
Alkene (PE0) base, polyvinylidene fluoride (PVDF) base etc..It studies most to be adequately with polyoxyethylene in polymer dielectric
(PE0) base is the complex compound of the polymer alkali metal salt of representative, but PEO series has higher crystallinity, thus room temperature conductance
Rate is relatively low, and only 10-7~10-8S/cm limits application.PMMA systems are due to relatively low (the cation transport number of lithium ion transference number
It is usually no more than 0.5), keeps its conductivity relatively low.And have due to its higher dielectric constant in PVDF (Kynoar) system
Help the dissociation of lithium salts, but in PVDF based polyalcohols, homopolymer symmetrical configuration is regular, crystallinity is high, is unfavorable for ion
Conductance.Above-mentioned polymer dielectric limits the application in lithium polymer battery due to the relatively low disadvantage of conductivity.
In recent years, people by be added to polymer modification or in the polymer different additives to gel electrolyte into
Row is modified, and achieves preferable effect, however can apply to the few of production, this is because polymer electrolyte system is difficult to
There is higher conductivity and good mechanical strength simultaneously.
Invention content
In view of the above technical problems, with higher conductivity and good while the present invention provides one kind using PVB as base material
The preparation method of the gel electrolyte of good mechanical strength, and provide application process of the material in lithium battery.
During lithium salts is dissolved in alcohol solvent, decomposition reaction is an exothermic reaction, if directly by lithium salts and PVB
Resin and other auxiliary agents are dissolved in ethanol solution, since the heat that lithium salts decomposes to give off can make PVB become one with alcohol solvent
A homogeneous system, causes lithium salts to be reunited, it is difficult to be dispersed in PVB matrixes.The present invention is by lithium salts and PVB resin and other
The method that auxiliary agent uses double-screw melt blending to squeeze out is made using PVB as the gel electrolyte master batch of base material, solves lithium salts and exists
Agglomeration traits in PVB resin ensure that lithium salts can be evenly dispersed in PVB matrixes, maintain the performance of matrix resin
Advantage to improve the electric conductivity of PVB gel electrolytes, and ensure that the mechanical performance of final products.
Specific technical solution of the present invention is as follows：
(1) PVB resin, lithium salts and other auxiliary agents are mixed in proportion, the method squeezed out using double-screw melt blending
It is made using PVB as the gel electrolyte master batch of base material；
(2) it will be dissolved in ethyl alcohol by the gel electrolyte master batch of base material of PVB made from step (1), until being completely dissolved, obtained
To water white transparency, uniform sticky gel electrolyte.
Wherein, the PVB resin described in step (1), lithium salts, other auxiliary agents mass percent be：65~70:10~20:
15~25；
Other auxiliary agents described in step (1) include；Plasticizer, antioxidant, UV absorbers, stabilizer；
Lithium salts described in step (1) is：Lithium perchlorate, lithium carbonate, LiBF4, hexafluoroarsenate lithium, trifluoromethanesulfonic acid
One kind in lithium or arbitrary several combination；
The dissolution time that ethyl alcohol is dissolved in using PVB as the gel electrolyte master batch of base material described in step (2) is：15~25 is small
When；
The present invention also provides the application using PVB as the gel electrolyte of base material in lithium battery, the lithium ion battery
Preparation method it is as follows：
(1) battery case is provided, vessel is equipped in shell, coagulating using PVB as base material prepared by the method for the present invention
Glue electrolyte pours into the vessel interior sealing；
(2) anode and a cathode are provided, and the anode and the cathode are separately positioned on above-mentioned gel electricity
Solve matter both sides；
(3) it is assembled into lithium ion battery.
The beneficial effects of the present invention are：
(1) with alkali metal salt solvation can occur for polyether segment, with the movement of polymer segment, on PVB chains
" complexing-solution complexing " can occur with alkali metal salt for ether oxygen group, promote transmission of the charged ion in macromolecule matrix, to
The gel electrolyte of high conductivity is obtained, gel electrolyte obtained has very excellent security performance and chemical property；
(2) present invention uses and first prepares electrolyte master batch, then the method for preparing gel electrolyte so that lithium salts can be uniform
Be dispersed in PVB matrixes, to improve the conductivity of gel electrolyte, and maintain the mechanical property of basis material, should
Preparation method is simple, and cost is relatively low and environmentally protective；
(3) what prepared by the method for the present invention is used for lithium ion battery by the gel electrolyte of base material of PVB, can have simultaneously
Higher conductivity and good mechanical performance.
Specific implementation mode
It is described in further detail with reference to embodiment：
Embodiment 1：
650gPVB resins, 200g lithium perchlorates, 100g plasticizer, 15g antioxidant, 15g UV absorbers, 20g is steady
Determine agent to be added in high-speed mixer after evenly mixing, PVB gels are made using the method that double screw extruder melt blending squeezes out
Electrolyte master batch, gel electrolyte master batch is placed in ethyl alcohol and dissolves 18h, is slowly stirred later up to being completely dissolved, is obtained nothing
Color is transparent, uniform sticky gel electrolyte.
Embodiment 2：
680gPVB resins, 180g lithium carbonates, 110g plasticizer, 10g antioxidant, 10g UV absorbers, 10g are stablized
Agent is added in high-speed mixer the method for using double screw extruder melt blending to squeeze out after evenly mixing and is made using PVB as base
Material gel electrolyte master batch, gel electrolyte master batch is placed in ethyl alcohol and dissolves 18h, is slowly stirred later up to being completely dissolved,
Obtain water white transparency, uniform sticky gel electrolyte.
Embodiment 3：
700gPVB resins, 150g lithium carbonates, 100g plasticizer, 20g antioxidant, 20g UV absorbers, 10g are stablized
Agent is added in high-speed mixer the method for using double screw extruder melt blending to squeeze out after evenly mixing and is made using PVB as base
The gel electrolyte master batch of material, gel electrolyte master batch is placed in ethyl alcohol and dissolves 20h, is slowly stirred later until completely molten
Solution obtains water white transparency, uniform sticky gel electrolyte.
Embodiment 4
700gPVB resins, 150g lithium perchlorates, 100g plasticizer, 20g antioxidant, 20g UV absorbers, 10g is steady
Determine in agent addition high-speed mixer after evenly mixing, the method for using double screw extruder melt blending extrusion, which is made with PVB, is
The gel electrolyte master batch of base material, gel electrolyte master batch is placed in ethyl alcohol and dissolves 25h, is slowly stirred later until completely molten
Solution obtains water white transparency, uniform sticky gel electrolyte.
Comparative example 1
By 700gPVB resins, 150g lithium perchlorates, 100g plasticizer, 20g antioxidant, 20g UV absorbers, 10g light
Stabilizer, which is placed in ethyl alcohol, dissolves 20h, is slowly stirred later up to being completely dissolved, obtains gel electrolyte.
Comparative example 2
By 700gPVB resins, 150g lithium perchlorates, 100g plasticizer, 20g antioxidant, 20g UV absorbers, 10g light
Stabilizer, which is placed in ethyl alcohol, dissolves 25h, is slowly stirred later up to being completely dissolved, obtains gel electrolyte.
Performance test：
Prepare gel electrolyte membrane：
Gel electrolyte is cast in mold, the dry 1h at 50 DEG C is then dry in 50 DEG C of vacuum drying chambers
48h obtains the gel electrolyte membrane that thickness is 0.7mm.
Conductivity：Using stainless steel substrates as blocking electrode, simulated battery is prepared, does ac impedance measurement.AC impedance curve
It is the ontology impedance of the gel electrolyte membrane in the intersection value of high frequency region and horizontal axis.According to the ontology impedance (Rb) and its
Relationship between conductivity (σ)：
σ=d/ (S*Rb)
The conductivity (σ) of the gel electrolyte membrane can be calculated, wherein d is thickness, the S of the gel electrolyte membrane
For the contact area of the gel electrolyte membrane and the stainless steel blocking electrode.
Processing machinery performance test sample：
Tensile strength and elongation at break：Specimen shape and size are according to the regulation system for meeting GB/T 1040.3-2006
Make.
Tearing strength：Specimen shape and size make according to square sample as defined in GB/T 529 is met.
Tensile strength and elongation at break：It is tested according to GB/T 1040.3-2006
Tearing strength：It is tested according to GB/T 529
1 gel electrolyte the performance test results produced by the present invention of table
| Conductivity/S/cm | Tensile strength/MPa | Elongation at break/% | Tearing strength/N | |
| Embodiment 1 | 10-5 | 24 | 240 | 36 |
| Embodiment 2 | 10-5 | 26 | 245 | 38 |
| Embodiment 3 | 10-5 | 28 | 260 | 40 |
| Embodiment 4 | 10-5 | 28 | 260 | 40 |
| Comparative example 1 | 10-7 | 23 | 240 | 36 |
| Comparative example 2 | 10-7 | 24 | 240 | 36 |
Claims (6)
1. a kind of using PVB as the preparation method of the gel electrolyte of base material, it is characterised in that：The preparation method includes following work
Skill step：
(1) PVB resin, lithium salts and other auxiliary agents are mixed in proportion, is made using the method that double-screw melt blending squeezes out
Using PVB as the gel electrolyte master batch of base material；
(2) it will be dissolved in ethyl alcohol by the gel electrolyte master batch of base material of PVB made from step (1), until being completely dissolved, obtains nothing
Color is transparent, uniform sticky gel electrolyte.
2. as described in claim 1 using PVB as the preparation method of the gel electrolyte of base material, it is characterised in that：Step (1) institute
The PVB resin stated, lithium salts, other auxiliary agents mass percent be：65~70:10~20:15~25.
3. as described in claim 1 using PVB as the preparation method of the gel electrolyte of base material, it is characterised in that：Step (1) institute
The other auxiliary agents stated include：Plasticizer, antioxidant, UV absorbers, stabilizer.
4. as described in claim 1 using PVB as the preparation method of the gel electrolyte of base material, it is characterised in that：Step (1) institute
The lithium salts stated is：Lithium perchlorate, lithium carbonate, LiBF4, hexafluoroarsenate lithium, one kind in trifluoromethanesulfonic acid lithium or arbitrary several
Kind combination.
5. as described in claim 1 using PVB as the preparation method of the gel electrolyte of base material, it is characterised in that：Step (2) institute
That states, which is dissolved in the dissolution time of ethyl alcohol using PVB as the gel electrolyte master batch of base material, is：15~25 hours.
6. prepared by method as described in claim 1 is applied to lithium ion battery, feature by the gel electrolyte of base material of PVB
It is：The preparation method of the lithium ion battery is as follows：
(1) battery case is provided, vessel is equipped in shell, the vessel will be poured by the gel electrolyte of base material of PVB
Interior sealing；
(2) anode and a cathode are provided, and the anode and the cathode are separately positioned on above-mentioned gel electrolyte
Both sides；
(3) it is assembled into lithium ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499130.3A CN106025350B (en) | 2016-06-29 | 2016-06-29 | Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610499130.3A CN106025350B (en) | 2016-06-29 | 2016-06-29 | Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025350A CN106025350A (en) | 2016-10-12 |
| CN106025350B true CN106025350B (en) | 2018-09-07 |
Family
ID=57104919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610499130.3A Expired - Fee Related CN106025350B (en) | 2016-06-29 | 2016-06-29 | Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025350B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295793A (en) * | 2012-03-05 | 2013-09-11 | 上海斑图实业有限公司 | Polyvinyl butyral application, dye-sensitized solar cell quasi solid electrolyte film and preparing method for dye-sensitized solar cell quasi solid electrolyte film |
| CN105428709A (en) * | 2015-11-19 | 2016-03-23 | 电子科技大学 | Method for preparing modified PVB polymer electrolyte membrane |
-
2016
- 2016-06-29 CN CN201610499130.3A patent/CN106025350B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295793A (en) * | 2012-03-05 | 2013-09-11 | 上海斑图实业有限公司 | Polyvinyl butyral application, dye-sensitized solar cell quasi solid electrolyte film and preparing method for dye-sensitized solar cell quasi solid electrolyte film |
| CN105428709A (en) * | 2015-11-19 | 2016-03-23 | 电子科技大学 | Method for preparing modified PVB polymer electrolyte membrane |
Non-Patent Citations (1)
| Title |
|---|
| A novel PVB based polymer membrane and its application in gel polymer electrolytes for lithium-ion batteries;Fang Lian，et al.;《Journal of membrane science》;20140117;摘要，第47页结论部分 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106025350A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102891335B (en) | Preparation method of full-solid-state nano composite polymer electrolyte | |
| CN112724266A (en) | Preparation method of lithium carboxymethyl cellulose for lithium battery | |
| CN102020780B (en) | Method for preparing all-solid-state polymer electrolyte membrane and prepared electrolyte membrane | |
| CN106117932B (en) | Preparation method of high-conductivity PVB film and application of high-conductivity PVB film in electrochromic glass | |
| CN101409366B (en) | Method for manufacturing gel polymer lithium ion battery | |
| CN112002950B (en) | Lithium ion battery positive electrode slurry, preparation method thereof, positive plate and lithium ion battery | |
| CN101381501A (en) | Polymer solid electrolyte film and preparation method thereof | |
| CN105218992A (en) | Sulfonated graphene metal-salt solid polymer electrolyte and its preparation method and application | |
| US20200227782A1 (en) | Polymer solid electrolyte, preparation method thereof and preparation method of lithiated carbon dot | |
| CN111019159B (en) | Low-temperature hydrogel electrolyte and preparation method thereof | |
| CN110581315B (en) | Preparation method of high-strength alkaline polymer electrolyte | |
| CN101127408A (en) | Micro joint gel state lithium ion battery polymer electrolyte film and its making method | |
| CN109346709B (en) | Lithium ion battery anode material coated with super-hydrophobic material and preparation method thereof | |
| CN106025350B (en) | Using PVB as the preparation method of the gel electrolyte of base material and its application in lithium battery | |
| CN103915650B (en) | A kind of lithium ion battery polymer dielectric and preparation method thereof | |
| CN111613832B (en) | Pentad monomer copolymer lithium secondary battery and preparation method thereof | |
| CN108172737B (en) | Preparation method of lithium ion battery polymer diaphragm | |
| CN108034026A (en) | The preparation method of ion liquid microemulsion, poly ion liquid base Signa Gel and preparation method thereof | |
| CN101800338B (en) | Modified alkaline polymer electrolyte film and preparation method thereof | |
| CN110635092A (en) | Polar polyolefin separator and preparation method thereof | |
| CN104497328B (en) | Method for preparing modified polyvinyl alcohol-based alkaline polymer electrolyte membrane | |
| CN101515656B (en) | Gel state polymer lithium ion battery | |
| CN108364803A (en) | A kind of fire-retardant method for preparing gel polymer electrolyte of all-solid-state supercapacitor based on lithium alginate | |
| CN108878973A (en) | A kind of preparation method of polyvinyl chloride-based polymer dielectric film | |
| CN107293799A (en) | Cyanoethyl cellulose glycerin ether film, Cyanoethyl cellulose glycerin ether gel polymer electrolyte and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |