CN106252711A - A kind of gel electrolyte and its production and use - Google Patents
A kind of gel electrolyte and its production and use Download PDFInfo
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- CN106252711A CN106252711A CN201610682411.2A CN201610682411A CN106252711A CN 106252711 A CN106252711 A CN 106252711A CN 201610682411 A CN201610682411 A CN 201610682411A CN 106252711 A CN106252711 A CN 106252711A
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- preparation
- gel electrolyte
- lithium ion
- ion battery
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- 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
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- 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
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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
Abstract
A kind of high-performance gel electrolyte and its production and use.Described high-performance gel electrolyte preparation method includes: the dissolving of polymer, the introducing of cross-linking agent, pours film forming and film cross-linking reaction and causes.Polymer dielectric prepared by described method has porous network structure, there is after imbibition higher ionic conductivity, when being applied to lithium ion battery, lithium ion battery is made to become an entirety, effectively prevent the displacement between the inside battery electrode diaphragm electrode caused because of External Force Acting, and then improve the safety of lithium ion battery.And the lithium ion battery external form assembled by it is frivolous, excellent performance has extraordinary application prospect.
Description
Technical field
The invention belongs to field of lithium ion battery, particularly to a kind of high-performance gel electrolyte and preparation method thereof and
Application in ultrathin lithium ion battery.
Background technology
In recent years, along with the fast development of portable set, for the lithium ion battery as energy source demand also
More and more higher.But current business-like lithium ion battery commonly uses liquid electrolyte as ion migration medium, but by
Typically using carbonats compound as solvent in liquid electrolyte, this kind solvent typically has high activity, the most incendive
Feature, directly results in the safety issue of battery, it is impossible to fully meet large-scale industrial energy storage requirement in terms of safety.
How to make lithium ion battery while cycle life realizes increasing substantially with capacity on the basis of existing, improve its safety
It is that the most crucial break-through point is developed in this field.
And solid lithium ion battery because of its have that energy density is high, electrode compatibility is good, length in service life, safety are high,
The advantages such as applied range, are increasingly becoming the focus of research.The class that solid electrolyte is mainly made up of polymer and salt is new
The ion conductor of type, has light weight, easily becomes the advantages such as thin film, viscoelasticity are good, and can be fabricated to by battery variously-shaped
To make full use of the useful space of electrochemical device, so that battery has pressure, impact resistance, is prone to the feature of processing.Gel
Electrolyte, as the one of solid electrolyte, because it belongs to a kind of special state between solid and liquid, therefore has concurrently
The advantages such as the macroion diffusion rate of such as certain geometric shape, some strength, elasticity and the liquid of solid, receive extensively pass
Note, is expected to provide high power, high-energy-density, the power supply of high specific energy for portable set.But, the preparation of solid electrolyte is
Assemble the key technology of solid lithium ion battery.
There is the preparation report of the electrolyte of more solid lithium ion battery the most both at home and abroad, as CN105161760A is public
Open the preparation method of a kind of lithium ion battery gel electrolyte, by lithium salts, organic solvent, be used for preparing described lithium ion battery
After mixing by proportioning with the raw material of polymer, heat 1～3 hour at a temperature of 40～80 DEG C, be cross-linked to form described lithium ion
Battery polymer；Electrolyte solution described in described lithium ion battery Polymer adsorption forms lithium ion battery gel electrolysis
Matter.This gel electrolyte still and belongs between positive and negative electrode and stacks merely, and still uses barrier film to avoid battery to occur
Internal short-circuit, can move between positive and negative electrode, barrier film, gel electrolyte when battery is by External Force Acting such as bending, distortion etc.
Position, thus leverage the safety of battery.
CN 104681864A discloses the preparation method of a kind of gel-type polymer electrolyte, and its preparation process is: (1)
Coaxial electrostatic spinning technology is utilized to prepare core/shell structure polymer nanofibre film；(2) microporous foam of nanofiber shell；
(3) dry, the cutting of nano fibrous membrane after foaming, stacking is pressed into gel-form solid polymer electrolyte skeleton, underlying in argon shield
Carry out activating and gelation in electrolyte.This method uses coaxial electrostatic spinning technology to prepare polymer nanofiber
Film, process is loaded down with trivial details, technical sophistication, also needs subsequent heat to remove foaming agent, then prepares gel electrolyte through kinds of processes, and
Still through conventional batteries packaging technology, equally exist when battery is by External Force Acting such as bending, distortion etc. positive and negative electrode, every
The problem being shifted between film, gel electrolyte.Inventive gel electrolyte preparation method is simple, it is possible to play bonding
The effect of both positive and negative polarity, it is to avoid the displacement of both positive and negative polarity, such that it is able to while ensureing battery performance, improve the safety of battery
Energy.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide the preparation of a kind of high-performance gel electrolyte
Method.High-performance gel electrolyte prepared by the method for the present invention is assembled into lithium ion battery, has external form frivolous, excellent performance
Feature.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
The preparation method of a kind of gel electrolyte, comprises the following steps:
1) polyvinylidene fluoride-hexafluoropropene (PVDF-HFP) dissolving is configured to solution；
2) to step 1) gained solution adds cross-linking agent mixing；
3) by step 2) mixed solution evaporation solvent film forming post-heating, reaction.
The present invention utilizes the polymer poly vinylidene fluoride-hexafluoropropene promoting ion transmission, and adds cross-linking agent increasing
Addition polymerization compound intensity, coordinates the technology of the present invention to prepare and has porous network structure, have after drawing electrolyte higher from
The polymer electrolyte film of electron conductivity.
As preferably, step 1) in dissolve the mixing that solvent for use is acetone and alcohols.
Preferably, described alcohols is one or more mixing of volatile alcohol apoplexy due to endogenous wind, preferably methanol, ethanol,
One or more mixing in propanol.
Preferably, in described solvent, the volume fraction of acetone is 0.1-99.9%, for example, 0.3%, 1.5%, 4%,
12%, 19%, 25%, 40%, 55%, 68%, 74%, 85%, 92% etc., preferably 0.5-99.5%, more preferably 1-
99%, most preferably 2-98%.
Preferably, in described solvent, the volume fraction of alcohols is 0.1-99.9%, for example, 0.3%, 1.5%, 4%,
12%, 19%, 25%, 40%, 55%, 68%, 74%, 85%, 92% etc., preferably 0.5-99.5%, more preferably 1-
99%, most preferably 2-98%.
Preferably, in described solution, the concentration of polyvinylidene fluoride-hexafluoropropene is 1-1000mg/mL, for example, 5mg/
mL、8mg/mL、10mg/mL、20mg/mL、40mg/mL、60mg/mL、120mg/mL、150mg/mL、180mg/mL、250mg/
ML, 300mg/mL, 350mg/mL, 500mg/mL, 600mg/mL, 800mg/mL, 950mg/mL etc., preferably 10-500mg/mL,
More preferably 15-300mg/mL, most preferably 20-200mg/mL.
Preferably, described dissolving is carried out under heating, preferably carries out under heated and stirred.
Preferably, the temperature of described heating is 40-100 DEG C.
As preferably, step 2) described in cross-linking agent be branched polyethylene imine (PEI) and poly-with glycol diglycidyl
Ether (DIEPEG).
Preferably, the concentration of described cross-linking agent is 1-1000mg/mL, for example, 5mg/mL, 8mg/mL, 10mg/mL,
20mg/mL、40mg/mL、60mg/mL、120mg/mL、150mg/mL、180mg/mL、250mg/mL、300mg/mL、350mg/
ML, 500mg/mL, 600mg/mL, 800mg/mL, 950mg/mL etc., preferably 10-500mg/mL, more preferably 15-300mg/
ML, most preferably 20-200mg/mL.
Preferably, under agitation, cross-linking agent is added the most under fast stirring.
As preferably, step 3) in solvent flashing by solution drawout is carried out, preferably pour by solution is utilized
Or method drawout in substrate of blade coating is carried out.
Preferably, the temperature of described reacting by heating is 40-100 DEG C, for example, 43 DEG C, 45 DEG C, 50 DEG C, 55 DEG C, 60 DEG C, 65
DEG C, 70 DEG C, 75 DEG C, 80 DEG C, 85 DEG C, 90 DEG C, 95 DEG C etc., preferably 45-80 DEG C, more preferably 50-75 DEG C, most preferably 55-
70℃；The time of described reacting by heating is 1-1000min, for example, 3min, 8min, 15min, 30min, 50min, 85min,
110min、150min、185min、220min、290min、350min、450min、600min、750min、820min、900min、
950min etc., preferably 5-800min, more preferably 10-500min, most preferably 20-200min.
Preferably, described heating is carried out in an oven.
According to an aspect of the present invention, high-performance gel electrolyte preparation method of the present invention is: preparation is not
With acetone and the mixed solution of proportion of ethanol, under condition of heating and stirring, then dissolve PVDF-HFP obtain PVDF-HFP solution,
Add cross-linking agent PEI and DIEPEG under agitation, then the solution stirred is spread by the method pouring or scratching
Open up in substrate, obtain porous membrane after evaporation of solvent, thin film is placed in baking oven the cross-linking reaction carrying out certain time, inhale
High-performance gel electrolyte is obtained after taking electrolyte.
A preferred embodiment of the invention, wherein, the different acetone of preparation and the mixed solution of proportion of ethanol, so
After under condition of heating and stirring dissolve PVDF-HFP obtain PVDF-HFP solution particularly as follows: preparation content of acetone 0.1～99.9 body
Long-pending %, the mixed solution of ethanol content 0.1～99.9 volume %, the PVDF-HFP dissolving different quality obtains PVDF-HFP concentration
The solution of 1-1000mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/DIEPEG concentration 1-
The solution of 1000mg/mL, spreads in substrate by the solution stirred by the method pouring or scratching, evaporation of solvent
After obtain thin film, thin film is placed in 40～100 DEG C of baking ovens the cross-linking reaction carried out 1～1000 minute, draws after electrolyte
It is 1～1000*10 to high-performance gel electrolytic conductivity-4S/cm。
According to the another kind of preferred implementation of the present invention, wherein, the different acetone of preparation and the mixed solution of proportion of ethanol,
Then under condition of heating and stirring, dissolve PVDF-HFP obtain PVDF-HFP solution particularly as follows: prepare content of acetone 0.5～99.5
Volume %, the mixed solution of ethanol content 0.5～99.5 volume %, it is dense that the PVDF-HFP of dissolving different quality obtains PVDF-HFP
The solution of degree 10-500mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/DIEPEG concentration 10-
The solution of 500mg/mL, spreads in substrate by the solution stirred by the method pouring or scratching, evaporation of solvent
After obtain thin film, thin film is placed in 45～95 DEG C of baking ovens the cross-linking reaction carried out 5～800 minutes, obtains after drawing electrolyte
High-performance gel electrolytic conductivity is 2～800*10-4S/cm。
According to the another kind of preferred implementation of the present invention, wherein, the different acetone of preparation and the mixed solution of proportion of ethanol,
Then under condition of heating and stirring, dissolve PVDF-HFP obtain PVDF-HFP solution particularly as follows: prepare content of acetone 1～99 body
Long-pending %, the mixed solution of ethanol content 1～99 volume %, the PVDF-HFP dissolving different quality obtains PVDF-HFP concentration 15-
The solution of 300mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/DIEPEG concentration 15-300mg/mL
Solution, the solution stirred is spread in substrate by the method that pours or scratch, obtains thin after evaporation of solvent
Film, is placed in 50～80 DEG C of baking ovens the cross-linking reaction carried out 10～500 minutes by thin film, obtains high-performance and coagulate after drawing electrolyte
Glue electrolytic conductivity is 5～600*10-4S/cm。
According to the another kind of preferred implementation of the present invention, wherein, the different acetone of preparation and the mixed solution of proportion of ethanol,
Then under condition of heating and stirring, dissolve PVDF-HFP obtain PVDF-HFP solution particularly as follows: prepare content of acetone 2～98 body
Long-pending %, the mixed solution of ethanol content 2～98 volume %, the PVDF-HFP dissolving different quality obtains PVDF-HFP concentration 20-
The solution of 200mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/DIEPEG concentration 20-200mg/mL
Solution, the solution stirred is spread in substrate by the method that pours or scratch, obtains thin after evaporation of solvent
Film, is placed in 55～75 DEG C of baking ovens the cross-linking reaction carried out 20～200 minutes by thin film, obtains high-performance and coagulate after drawing electrolyte
Glue electrolytic conductivity is 8～200*10-4S/cm。
An object of the present invention also resides in the gel electrolyte providing preparation method of the present invention to prepare.
An object of the present invention also reside in offer gel electrolyte of the present invention at lithium ion battery, super
Application in thin lithium ion battery.
The high-performance gel electrolyte that the present invention provides application in lithium ion battery is particularly as follows: use uncured coagulating
Glue electrolyte can serve as barrier film and electrolyte as the binding agent of positive and negative interpolar after solidification, makes lithium ion battery become one
Entirety, effectively prevent the displacement between the inside battery electrode/membrane/electrode caused because of External Force Acting, and then improves lithium
The safety of ion battery.And the lithium ion battery external form assembled by it is frivolous, excellent performance, before having extraordinary application
Scape.
The high-performance gel electrolyte preparation method that the present invention provides has a following significant advantage:
(1) gel electrolyte film prepared by is loose structure, it is possible to adsorb a large amount of electrolyte, and it is the best therefore to have
Electrical conductivity, be very beneficial for the solid electrolyte as lithium ion battery；
(2) this high-performance gel electrolyte is owing to being liquid before solidification, it is easy to be processed into complex geometric shapes, as not
In isostructural reason ion battery；
(3) this high-performance gel electrolyte due to quality frivolous, be effectively increased the energy density that battery is overall.
Accompanying drawing explanation
Fig. 1 is that the electron micrograph of the high-performance gel electrolyte using the method for the embodiment of the present invention 1 to obtain (is put
Big 1500 times)；
Fig. 2 is that the ultramicroscope of the high-performance gel electrolyte using the method for the embodiment of the present invention 1 to prepare shines
Sheet (amplifies 3500 times)；
Fig. 3 is that the high-performance gel electrolyte using the method for the embodiment of the present invention 1 to prepare is applied to lithium-ion electric
The voltage capacity curve chart in pond；
Fig. 4 is that the ultramicroscope of the high-performance gel electrolyte using the method for the embodiment of the present invention 2 to prepare shines
Sheet (amplifies 1500 times)；
Fig. 5 is that the ultramicroscope of the high-performance gel electrolyte using the method for the embodiment of the present invention 3 to prepare shines
Sheet (amplifies 1500 times)；
Fig. 6 is that the ultramicroscope of the high-performance gel electrolyte using the method for the embodiment of the present invention 4 to prepare shines
Sheet (amplifies 1500 times)；
Fig. 7 is that the ultramicroscope of the high-performance gel electrolyte using the method for the embodiment of the present invention 5 to prepare shines
Sheet (amplifies 1500 times).
Detailed description of the invention
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that described enforcement
Example is used only for help and understands the present invention, is not construed as the concrete restriction to the present invention.
Embodiment 1
Preparation content of acetone 50 volume %, the mixed solution of ethanol content 50 volume %, dissolve the PVDF-of different quality
HFP obtains the solution of PVDF-HFP concentration 15mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/
The solution of DIEPEG concentration 15mg/mL, spreads in substrate by the solution stirred by the method poured, evaporation of solvent
After obtain thin film, thin film is placed in 40 DEG C of baking ovens the cross-linking reaction carried out 20 minutes.
Fig. 1 is that the electron micrograph of the high-performance gel electrolyte using the method for the present embodiment to obtain (amplifies
1500 times), by figure it should be apparent that the pore structure that formed of adopting said method is highly uniform；Fig. 2 is to amplify 3500 times
Photo；Fig. 3 is the voltage that the high-performance gel electrolyte using the method for the present embodiment to prepare is applied to lithium ion battery
Capacity curve figure, by curve it should be apparent that apply this gel electrolyte, lithium ion battery charging and discharging curve is normal, puts
Capacitance is suitable with charging capacity..
Embodiment 2
Preparation content of acetone 80 volume %, the mixed solution of ethanol content 20 volume %, dissolve the PVDF-of different quality
HFP obtains the solution of PVDF-HFP concentration 30mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/
The solution of DIEPEG concentration 15mg/mL, spreads in substrate by the solution stirred by the method for blade coating, evaporation of solvent
After obtain thin film, thin film is placed in 60 DEG C of baking ovens the cross-linking reaction carried out 10 minutes.
Fig. 4 is the electron micrograph (amplifying 1500 times) of the gel electrolyte using the method for the present embodiment to obtain,
By in figure it should be apparent that adopting said method can forming part pore structure.
Embodiment 3
Preparation content of acetone 99.9 volume %, the mixed solution of ethanol content 0.1 volume %, dissolve different quality
PVDF-HFP obtains the solution of PVDF-HFP concentration 1mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains
The solution of PEI/DIEPEG concentration 1mg/mL, spreads in substrate by the solution stirred by the method for blade coating, vapors away
Obtain thin film after solvent, thin film is placed in 20 DEG C of baking ovens the cross-linking reaction carried out 1000 minutes.
Fig. 5 is the electron micrograph (amplifying 1500 times) of the gel electrolyte using the method for the present embodiment to obtain,
By in figure it should be apparent that adopting said method can form pore structure.
Embodiment 4
Preparation content of acetone 0.1 volume %, the mixed solution of ethanol content 99.9 volume %, dissolve different quality
PVDF-HFP obtains the solution of PVDF-HFP concentration 500mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains
The solution of PEI/DIEPEG concentration 500mg/mL, spreads in substrate by the solution stirred by the method for blade coating, volatilization
Obtain thin film after falling solvent, thin film is placed in 90 DEG C of baking ovens the cross-linking reaction carried out 1 minute.
Fig. 6 is the electron micrograph (amplifying 1500 times) of the gel electrolyte using the method for the present embodiment to obtain,
By in figure it should be apparent that adopting said method can form pore structure.
Embodiment 5
Preparation content of acetone 20 volume %, the mixed solution of ethanol content 80 volume %, dissolve the PVDF-of different quality
HFP obtains the solution of PVDF-HFP concentration 300mg/mL, adds cross-linking agent PEI and DIEPEG under agitation and obtains PEI/
The solution of DIEPEG concentration 300mg/mL, spreads in substrate by the solution stirred by the method for blade coating, vapors away molten
Obtain thin film after agent, thin film is placed in 80 DEG C of baking ovens the cross-linking reaction carried out 10 minutes.
Fig. 7 is the electron micrograph (amplifying 1500 times) of the gel electrolyte using the method for the present embodiment to obtain,
By in figure it should be apparent that adopting said method can form pore structure.
Applicant states, the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, i.e. do not mean that the present invention have to rely on above-mentioned in detail
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The equivalence of raw material each to product of the present invention is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within the present invention's
Within the scope of protection domain and disclosure.
Claims (10)
1. a preparation method for gel electrolyte, comprises the following steps:
1) polyvinylidene fluoride-hexafluoropropene dissolving is configured to solution；
2) to step 1) gained solution adds cross-linking agent mixing；
3) by step 2) mixed solution evaporation solvent film forming post-heating, reaction.
Preparation method the most according to claim 1, it is characterised in that step 1) in dissolve solvent for use be acetone and alcohols
Mixing；
Preferably, described alcohols is one or more mixing of volatile alcohol apoplexy due to endogenous wind, preferably methanol, ethanol, propanol
In one or more mixing.
Preparation method the most according to claim 2, it is characterised in that described alcohols be methanol, ethanol, in one or two
Plant above mixing；
Preferably, in described solvent, the volume fraction of acetone is 0.1-99.9%, preferably 0.5-99.5%, more preferably 1-
99%, most preferably 2-98%；
Preferably, in described solvent, the volume fraction of alcohols is 0.1-99.9%, preferably 0.5-99.5%, more preferably 1-
99%, most preferably 2-98%.
4. according to the preparation method described in any one of claim 1-3, it is characterised in that step 1) described in solution poly-inclined two
The concentration of fluorothene-hexafluoropropene is 1-1000mg/mL, preferably 10-500mg/mL, more preferably 15-300mg/mL, optimum
Elect 20-200mg/mL as；
Preferably, described dissolving is carried out under heating, preferably carries out under heated and stirred；
Preferably, the temperature of described heating is 40-100 DEG C.
5. according to the preparation method described in any one of claim 1-4, it is characterised in that step 2) described in cross-linking agent be branched
Polymine and poly-with Hexanediol diglycidyl ether；
Preferably, the concentration of described cross-linking agent is 1-1000mg/mL, preferably 10-500mg/mL, more preferably 15-300mg/
ML, most preferably 20-200mg/mL.
6. according to the preparation method described in any one of claim 1-5, it is characterised in that step 2) under agitation, preferably exist
Quickly add cross-linking agent under stirring.
7. according to the preparation method described in any one of claim 1-6, it is characterised in that step 3) in solvent flashing by by molten
Liquid drawout is carried out, preferably by utilizing the method drawout in substrate pouring or scratching to carry out solution.
8. according to the preparation method described in any one of claim 1-7, it is characterised in that step 3) described in the temperature of reacting by heating
Degree is 40-100 DEG C, preferably 45-80 DEG C, more preferably 50-75 DEG C, most preferably 55-70 DEG C；The time of described reacting by heating
For 1-1000min, preferably 5-800min, more preferably 10-500min, most preferably 20-200min；
Preferably, described heating is carried out in an oven.
9. the high-performance gel electrolyte that prepared by method described in any one of claim 1-8.
10. the application in lithium ion battery, especially ultrathin lithium ion battery of the gel electrolyte described in claim 9；
Described application is: uses uncured gel electrolyte as the binding agent of positive and negative interpolar, serves as barrier film and electricity after solidification
Xie Zhi, makes lithium ion battery become an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682411.2A CN106252711A (en) | 2016-08-17 | 2016-08-17 | A kind of gel electrolyte and its production and use |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682411.2A CN106252711A (en) | 2016-08-17 | 2016-08-17 | A kind of gel electrolyte and its production and use |
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| Publication Number | Publication Date |
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| CN106252711A true CN106252711A (en) | 2016-12-21 |
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| CN201610682411.2A Pending CN106252711A (en) | 2016-08-17 | 2016-08-17 | A kind of gel electrolyte and its production and use |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109755630A (en) * | 2017-11-03 | 2019-05-14 | 深圳格林德能源集团有限公司 | A kind of Recombination gel polymer dielectric preparation method and its lithium ion battery |
| CN114530630A (en) * | 2022-02-17 | 2022-05-24 | 中国科学院物理研究所 | Low-solvent polymer electrolyte, preparation method thereof, electrode and solid-state battery |
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| CN103923341A (en) * | 2013-01-14 | 2014-07-16 | 海洋王照明科技股份有限公司 | Polyvinylidene fluoride-hexafluoropropylene gel thin film and preparation method thereof, corresponding electrolyte and preparation method thereof, and super capacitor |
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- 2016-08-17 CN CN201610682411.2A patent/CN106252711A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103923341A (en) * | 2013-01-14 | 2014-07-16 | 海洋王照明科技股份有限公司 | Polyvinylidene fluoride-hexafluoropropylene gel thin film and preparation method thereof, corresponding electrolyte and preparation method thereof, and super capacitor |
Non-Patent Citations (2)
| Title |
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| ZHONG REN等: ""Polymer electrolytes based on poly(vinylidene fluoride-co-hexafluoropropylene) with crosslinlced polyethylene glycol) for lithium batteries"", 《SOLID STATE IONICS》 * |
| 任众: ""PVDF-HFP基聚合物电解质的制备与性能研究"", 《中国博士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755630A (en) * | 2017-11-03 | 2019-05-14 | 深圳格林德能源集团有限公司 | A kind of Recombination gel polymer dielectric preparation method and its lithium ion battery |
| CN114530630A (en) * | 2022-02-17 | 2022-05-24 | 中国科学院物理研究所 | Low-solvent polymer electrolyte, preparation method thereof, electrode and solid-state battery |
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Application publication date: 20161221 |