CN110311171A - A kind of phosphate-based electrolyte of wide operating temperature range and its application - Google Patents
A kind of phosphate-based electrolyte of wide operating temperature range and its application Download PDFInfo
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- CN110311171A CN110311171A CN201910581244.6A CN201910581244A CN110311171A CN 110311171 A CN110311171 A CN 110311171A CN 201910581244 A CN201910581244 A CN 201910581244A CN 110311171 A CN110311171 A CN 110311171A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/60—Liquid electrolytes characterised by the solvent
-
- 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
-
- 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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- 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
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
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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
-
- 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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention belongs to electrochemical technology field, the phosphate-based electrolyte of specially a kind of wide operating temperature range and its application.Electrolyte of the invention, using monovalent ion salt (lithium salts, sodium salt, sylvite), divalent ion salt (zinc salt, calcium salt, magnesium salts), trivalent ion salt (aluminium salt) or quaternary ammonium salt as solute, also includes additive using phosphoric acid ester and its derivative as solvent；Phosphoric acid ester and its derivative have very low fusing point, are still liquid in -80 DEG C of low temperature environments, and have very high boiling point, and 200 DEG C of high temperature whens are still stabilized.Electrolyte provided by the invention, ionic conductivity still with higher, still shows higher safety at relatively high temperatures at a lower temperature, and operating temperature section is -80 DEG C ~ 190 DEG C, is with a wide range of applications.Electrolyte of the present invention can be applied on battery, capacitor and hybrid capacitors, and system shows excellent specific capacity, cycle performance, power-performance and safety in wide temperature window.
Description
Technical field
The invention belongs to electrochemical technology fields, specifically provide it is a kind of be suitable for battery, capacitor and hybrid type battery/
The wide temperature range electrolyte of capacitor.
Background technique
Traditional carbonates electrolyte mainly uses readily volatilized, high-melting-point, low-flash organic solution as solvent,
For example, dimethyl carbonate (3 DEG C of fusing point, 90 DEG C of boiling point), ethylene carbonate (34 ~ 37 DEG C of fusing point, 243 DEG C of boiling point), methyl ethyl carbonate
Ester (- 14 DEG C of fusing point, 127 DEG C of boiling point), diethyl carbonate (- 43 DEG C of fusing point, 127 DEG C of boiling point) etc..On the one hand, part carbonic ester is molten
The higher fusing point of agent causes electrolyte to solidify at low temperature or partially solidified, ionic conductivity is greatly reduced, to limit
Application of the battery in low temperature field.If the charge-discharge performance of lithium ion battery at low ambient temperatures is poor, majority when being lower than -20 DEG C
Battery is only capable of releasing 60-the 80% of its rated capacity, and-30-- 40 DEG C of whens are only capable of releasing 30% of its rated capacity or less,
And at such as-40-- 60 DEG C of lower temperature, battery can not almost discharge.Battery cryogenic property deficiency has become its application hair
One of major technology bottleneck of exhibition.On the other hand, electrolyte is volatile or lower boiling point, battery are deposited when high-temperature region works
In on fire, the burning even danger of explosion, the security performance of battery is significantly limited.The high-temperature behavior and safety one of battery
It is directly the emphasis of research concern.Physical heating or use additive currently are concentrated mainly on to the improvement of battery cryogenic property, are total to
The fusing point of electrolyte can be effectively reduced in the schemes such as solvent, such as the solvent by the way that low melting point is added, and promotes battery system low temperature
Performance.And be then usually that flame-retardant additive is introduced into electrolyte to the research of battery high-temperature security performance, such as halogenated cyclic carbon
Acid esters, halogenated linear carbonate, alkyl phosphate, fluorinated phosphate ester etc..But rarer research is by ultralow temperature and superhigh temperature knot
Close research.
Phosphoric acid ester organic solvent and its derivative have non-flammable characteristic, and have very high boiling point, high temperature 200
DEG C when be still stabilized, therefore be used frequently as fire retardant and be added in conventional electrolysis liquid, become inflammable organic electrolyte
At fire retardant or non-ignitable electrolyte, the high temperature safety of electrolyte is improved.In fact, partial phosphate ester class and its derivative are organic
Solvent has lower fusing point, is still liquid in -80 DEG C of low temperature environments, the carbonate based organic solvent tool used than tradition
There is apparent advantage.This point not yet attracts extensive attention, therefore uses phosphoric acid ester and its low temperature of derivative organic solvent
Electrolyte does not have been reported that.
The present invention uses phosphoric acid ester and its derivative organic solvent, provides a kind of electrolyte of wide temperature range, should
Electrolyte of the electrolyte based on phosphoric acid ester organic solvent and its derivative, may be implemented the wide temperature range from low temperature to high temperature
Interior preferable chemical property is laid a good foundation for energy storage system in the normal work of wide temperature range.Partial phosphate ester class and
Fusing point, boiling point and the density of its derivative organic solvent are shown in Table 1.
Summary of the invention
The purpose of the present invention is to provide a kind of electrolyte of wide operating temperature, can be used for battery, capacitor and mixing
In type battery/electric capacity system.
The electrolyte of width operating temperature provided by the invention, using phosphoric acid ester as matrix, i.e., with phosphoric acid ester and its derivative
Object organic solvent substitutes traditional carbonate-based solvent as solvent, with monovalent ion salt (lithium salts, sodium salt, sylvite), divalent from
Alite (zinc salt, calcium salt, magnesium salts), trivalent ion salt (aluminium salt) or quaternary ammonium salt are formed as solute, also include additive；Its
In:
The phosphoric acid ester and its derivative has following structure formula:
In formula, R1、R2、R3It is each independently respectively hydrogen, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted virtue
Any one of base, substituted or unsubstituted alkenyl.
In the present invention, the phosphoric acid ester and its derivative organic solvent are preferably trimethyl phosphate, tricresyl phosphate second
Ester, triphenyl phosphate, tricresyl phosphate propyl ester, dimethyl methyl phosphonate, ethyl phosphonic acid diethylester, tri-tert phosphate, nitrile methyl
One or more of diethylphosphate, three (2,2,2 ,-trifluoroethyl) phosphates, three (2- ethoxyethyl group) phosphates.
In the present invention, the monovalent ion salt includes at least one of lithium salts, sodium salt and sylvite, is chosen in particular from trifluoro
It is methane sulfonic acid lithium, bis- (trimethyl fluoride sulfonyl) imine lithiums, three (trimethyl fluoride sulfonyl) lithium methides, bis- (fluorine sulphonyl) imine lithiums, double
Ethanedioic acid lithium borate, difluorine oxalic acid boracic acid lithium, LiN (SO2RF)2、LiN(SO2F)(SO2RF), lithium perchlorate, LiBF4, six
Lithium fluophosphate, hexafluoro close arsenic (V) sour lithium, lithium chloride, lithium fluoride, lithium bromide, lithium iodide, lithium sulfate, lithium nitrate, lithium carbonate, grass
Sour lithium, lithium formate, lithium acetate and one or more of the corresponding sodium salt of above compound and sylvite；Wherein, RF = -
CnF2n+1, n=1 ~ 10.
In the present invention, the divalent ion salt includes at least one of zinc salt, calcium salt and magnesium salts, is chosen in particular from and is selected from
Zinc fluoride, zinc chloride, zinc bromide, zinc iodide, zinc perchlorate, tetrafluoro boric acid zinc, zinc sulfate, zinc nitrate, zinc oxalate, zinc formate,
Zine methqne-sulfonate, trifluoromethanesulfonic acid zinc and one or more of the corresponding calcium salt of above compound and magnesium salts.
In the present invention, the trivalent ion salt includes the organic salt and inorganic salts of aluminium salt, is chosen in particular from aluminium chloride, bromination
One or more of aluminium, silver iodide, aluminum sulfate, aluminum nitrate, alumina silicate, trifluoromethanesulfonic acid aluminium, three (three fluosulfonic acid) aluminium.
In the present invention, the monovalent ion salt, divalent ion salt, trivalent ion salt and quaternary ammonium salt concentration be 0.01 ~ 20
mol/L。
In the present invention, the additive be selected from quaternary ammonium alkyl radical ion, carbonats compound, phosphate compounds,
One of boric acid ester compound, sulfurous esters compound, sultones class compound are a variety of.
In the present invention, the content of the additive is the 0.1% ~ 15% of the quality of electrolyte.
The present invention, which provides electrolyte, has many advantages, such as that fusing point is low, boiling point is high, viscosity is small, safety is good, in wider work
Higher ionic conductivity is kept for (- 80 ~ 190 DEG C) in temperature range, can improve the cryogenic property and high temperature peace of energy storage system
Full property problem.
In the present invention, the electrolyte of provided width operating temperature can be applicable to battery, capacitor and hybrid type battery/electricity
Rong Zhong.
In the present invention, in the battery system and hybrid type battery/electric capacity system using the width operating temperature electrolyte, electricity
Pond electrode material be selected from be capable of reversible deintercalate lithium ions inlaid scheme or organic polymer molecules be electroactive material and
The composite material of above-mentioned material.
In the present invention, in the capacitor and hybrid type battery/electric capacity system using the width operating temperature electrolyte, capacitor
Device electrode material is selected from the composite material of transition metal oxide, carbon material, organic polymer molecules and above-mentioned material.
In the present invention, phosphoric acid ester and its derivative have very low fusing point, are still liquid in -80 DEG C of low temperature environments
State, and there is very high boiling point, 200 DEG C of high temperature whens, are still stabilized.Therefore, electrolyte provided by the invention, lower
Ionic conductivity still with higher at temperature (- 80 DEG C) still shows higher safety under higher temperature (190 DEG C),
Wider temperature range (- 80 DEG C ~ 190 DEG C) are shown, are with a wide range of applications.Electrolyte of the present invention can be applied to electricity
On pond, capacitor and hybrid capacitors, system shown in wide temperature window excellent specific capacity, cycle performance,
Power-performance and safety.
Specific embodiment
To keep the purpose of the present invention and technical solution and advantage clearer, the present invention is said with following specific embodiments
It is bright, but the invention is not limited to the range of provided embodiment, it is any can be to be understood by the person skilled in the art
It, should all be within protection scope of the present invention without departing from the variation or change of present subject matter.
Embodiment 1: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, will be bis- (trimethyl fluoride sulfonyl) it is sub-
Amine lithium is dissolved in wherein according to the concentration of 1mol/L, and lithium-ion battery electrolytes are prepared.The electrolyte low temperature is resistant to -80
DEG C, high temperature is resistant to 190 DEG C.With LiMn2O4 (LMO) for positive electrode, lithium titanate (LTO) is negative electrode material, the full battery being assembled into
Charge and discharge are carried out with 1C multiplying power ,+25 DEG C of room temperature of capacity is 103mAhg-1, capacity at -80 DEG C of low temperature is 75mAh g-1,
Capacity at 190 DEG C of high temperature is 106mAh g-1.Excellent chemical property is shown in wide temperature range (- 80 ~ 190 DEG C),
It is shown in Table 2.
Embodiment 2: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, will be bis- (trimethyl fluoride sulfonyl) it is sub-
Amine sodium is dissolved in wherein according to the concentration of 1mol/L, and sodium-ion battery electrolyte is prepared.The electrolyte low temperature is resistant to -80
DEG C, high temperature is resistant to 190 DEG C.With vanadium phosphate sodium (NVP) for positive electrode, titanium phosphate sodium (NTPO) is negative electrode material, is assembled into
Full battery carries out charge and discharge with 1C multiplying power, and+25 DEG C of room temperature of capacity is 110mAhg-1, capacity at -80 DEG C of low temperature is 80mAh
g-1, capacity at 190 DEG C of high temperature is 115mAh g-1.Excellent electrochemistry is shown in wide temperature range (- 80 ~ 190 DEG C)
Performance is shown in Table 2.
Embodiment 3: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, will be bis- (trimethyl fluoride sulfonyl) it is sub-
Amine potassium is dissolved in wherein according to the concentration of 1mol/L, and kalium ion battery electrolyte is prepared.The electrolyte low temperature is resistant to -80
DEG C, high temperature is resistant to 190 DEG C.With organic matter poly-triphenylamine (PTPAn) for positive electrode, organic matter polyimides (PI) is cathode material
Material, the full battery being assembled into carry out charge and discharge with 1C multiplying power, and+25 DEG C of room temperature of capacity is 100mAhg-1, at -80 DEG C of low temperature
Capacity is 70mAh g-1, capacity at 190 DEG C of high temperature is 105mAh g-1.It is shown in wide temperature range (- 80 ~ 190 DEG C)
Excellent chemical property, is shown in Table 2.
Embodiment 4: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, will be bis- (trimethyl fluoride sulfonyl) it is sub-
Amine magnesium is dissolved in wherein according to the concentration of 1mol/L, and Magnesium ion battery electrolyte is prepared.The electrolyte low temperature is resistant to -80
DEG C, high temperature is resistant to 190 DEG C.With polyimides (PI) for positive electrode, magnesium metal (Mg) is negative electrode material, the full battery being assembled into
Charge and discharge are carried out with 1C multiplying power ,+25 DEG C of room temperature of capacity is 110mAhg-1, capacity at -80 DEG C of low temperature is 80mAh g-1,
Capacity at 190 DEG C of high temperature is 115mAh g-1.Excellent chemical property is shown in wide temperature range (- 80 ~ 190 DEG C),
It is shown in Table 2.
Embodiment 5: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, will be bis- (trimethyl fluoride sulfonyl) it is sub-
Amine zinc is dissolved in wherein according to the concentration of 1mol/L, and Zinc ion battery electrolyte is prepared.The electrolyte low temperature is resistant to -80
DEG C, high temperature is resistant to 190 DEG C.With manganese dioxide (MnO2) it is positive electrode, metallic zinc (Zn) is negative electrode material, the full electricity being assembled into
Pond carries out charge and discharge with 1C multiplying power, and+25 DEG C of room temperature of capacity is 280mAhg-1, capacity at -80 DEG C of low temperature is 200mAh g-1, capacity at 190 DEG C of high temperature is 295mAh g-1.Excellent electrochemistry is shown in wide temperature range (- 80 ~ 190 DEG C)
Can, it is shown in Table 2.
Embodiment 6: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, by aluminium chloride according to 1mol/L's
Concentration is dissolved in wherein, and aluminium ion battery electrolyte is prepared.The electrolyte low temperature is resistant to -80 DEG C, and high temperature is resistant to 190 DEG C.
With organic matter pyrene-4,5,9,10-tetrones (PTO) are positive electrode, and metallic aluminium (Al) is negative electrode material, the full battery being assembled into
Charge and discharge are carried out with 1C multiplying power ,+25 DEG C of room temperature of capacity is 198mAhg-1, capacity at -80 DEG C of low temperature is 150mAh g-1,
Capacity at 190 DEG C of high temperature is 205mAh g-1.Excellent chemical property is shown in wide temperature range (- 80 ~ 190 DEG C),
It is shown in Table 2.
Embodiment 7: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, by tetrafluoroborate according to
The concentration of 1mol/L is dissolved in wherein, and supercapacitor electrolyte is prepared.The electrolyte low temperature is resistant to -80 DEG C, high temperature
It is resistant to 190 DEG C.With active carbon (AC) for positive and negative pole material, the capacitor being assembled into carries out charge and discharge with 1A/g current density,
+ 25 DEG C of room temperature of capacity is 298Fg-1, capacity at -80 DEG C of low temperature is 260Fg-1, capacity at 190 DEG C of high temperature is 305Fg-1。
Excellent chemical property is shown in wide temperature range (- 80 ~ 190 DEG C), is shown in Table 2.
Embodiment 8: under the conditions of anhydrous and oxygen-free, using ethyl phosphonic acid diethylester as solvent, by lithium hexafluoro phosphate according to 1mol/
The concentration of L is dissolved in wherein, and hybrid type battery/capacitor electrolyte is prepared.The electrolyte low temperature is resistant to -80 DEG C, high temperature
It is resistant to 190 DEG C.With LiMn2O4 (LMO) for positive electrode, active carbon (AC) is negative electrode material, the hybrid type battery/electricity being assembled into
Volume system carries out charge and discharge with 1C multiplying power, and+25 DEG C of room temperature of capacity is 103mAhg-1, capacity at -80 DEG C of low temperature is 75mAh
g-1, capacity at 190 DEG C of high temperature is 106mAh g-1.Excellent electrochemistry is shown in wide temperature range (- 80 ~ 190 DEG C)
Performance is shown in Table 2.
Molecular formula, fusing point, boiling point and the density of 1 partial phosphate ester class of table and its derivative organic solvent
Battery, capacitor and hybrid type battery/electric capacity system chemical property of the table 2 based on wide operating temperature range electrolyte
Claims (9)
1. a kind of phosphate-based electrolyte of wide operating temperature range, which is characterized in that organic with phosphoric acid ester and its derivative
Solvent is formed as solvent using monovalent ion salt, divalent ion salt, trivalent ion salt or quaternary ammonium salt as solute, and includes
Additive；Wherein, phosphoric acid ester and its derivative have following structure formula:
In formula, R1、R2、R3It is each independently respectively hydrogen, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted virtue
Any one of base, substituted or unsubstituted alkenyl.
2. the phosphate-based electrolyte of wide operating temperature range according to claim 1, which is characterized in that the monovalence
Ion salt is at least one of lithium salts, sodium salt and sylvite, is chosen in particular from trifluoromethyl sulfonic acid lithium, bis- (trimethyl fluoride sulfonyls) Asia
Amine lithium, three (trimethyl fluoride sulfonyl) lithium methides, bis- (fluorine sulphonyl) imine lithiums, biethyl diacid lithium borate, difluorine oxalic acid boracic acid lithium,
LiN(SO2RF)2、LiN(SO2F)(SO2RF), lithium perchlorate, LiBF4, lithium hexafluoro phosphate, hexafluoro close arsenic (V) sour lithium, chlorine
Change lithium, lithium fluoride, lithium bromide, lithium iodide, lithium sulfate, lithium nitrate, lithium carbonate, lithium oxalate, lithium formate, lithium acetate and above-mentionedization
Close one or more of the corresponding sodium salt of object and sylvite；Wherein, RF = -CnF2n+1, n=1 ~ 10.
3. the phosphate-based electrolyte of wide operating temperature range according to claim 1, which is characterized in that the divalent
Ion salt is at least one of zinc salt, calcium salt and magnesium salts, be chosen in particular from selected from zinc fluoride, zinc chloride, zinc bromide, zinc iodide,
Zinc perchlorate, tetrafluoro boric acid zinc, zinc sulfate, zinc nitrate, zinc oxalate, zinc formate, zine methqne-sulfonate, trifluoromethanesulfonic acid zinc and on
State one or more of the corresponding calcium salt of compound and magnesium salts.
4. the phosphate-based electrolyte of wide operating temperature range according to claim 1, which is characterized in that the trivalent
Ion salt is the organic salt or inorganic salts of aluminium salt, is chosen in particular from aluminium chloride, aluminium bromide, silver iodide, aluminum sulfate, aluminum nitrate, silicic acid
Aluminium, trifluoromethanesulfonic acid aluminium, three (three fluosulfonic acid) aluminium.
5. the phosphate-based electrolyte of wide operating temperature range described in one of -4 according to claim 1, which is characterized in that institute
The concentration for stating solute is 0.01 ~ 20 mol/L.
6. the phosphate-based electrolyte of wide operating temperature range described in one of -4 according to claim 1, which is characterized in that institute
It states additive and is selected from quaternary ammonium alkyl radical ion, carbonats compound, phosphate compounds, boric acid ester compound, sulfurous
Acid esters compound, sultones class compound；The content of additive is the 0.1% ~ 15% of the quality of electrolyte.
7. according to claim 1 the phosphate-based electrolyte of wide operating temperature range described in one of -6 battery, capacitor or
Application in hybrid type battery/capacitor.
8. application according to claim 7, which is characterized in that the electroactive material of battery electrode material is selected from can be reversible
The inlaid scheme or organic polymer molecules of deintercalate lithium ions and the composite material of above-mentioned material.
9. application according to claim 7, which is characterized in that capacitor electrode material is selected from transition metal oxide, carbon
The composite material of material, organic polymer molecules and above-mentioned material.
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| CN110687019A (en) * | 2019-10-30 | 2020-01-14 | 华中科技大学 | Device and method for electrochemical hydrogen permeation measurement in high-temperature environment |
| CN111681886A (en) * | 2020-04-29 | 2020-09-18 | 中国科学院青岛生物能源与过程研究所 | Application of flame-retardant organic electrolyte in hybrid capacitor consisting of zinc cathode and graphite anode |
| WO2023044969A1 (en) * | 2021-09-24 | 2023-03-30 | 天津大学 | Zinc-based electrochemical energy storage device |
| CN114094208A (en) * | 2021-10-13 | 2022-02-25 | 瑞海泊有限公司 | Electrolyte for aqueous zinc ion battery and aqueous zinc ion battery |
| CN114221034A (en) * | 2021-12-10 | 2022-03-22 | 东莞新能源科技有限公司 | Electrochemical device and electronic device comprising same |
| CN114221034B (en) * | 2021-12-10 | 2024-03-26 | 东莞新能源科技有限公司 | Electrochemical device and electronic device comprising same |
| CN114530336A (en) * | 2022-03-16 | 2022-05-24 | 郑州大学 | Non-combustible super capacitor, organic electrolyte and preparation method thereof |
| CN116154294A (en) * | 2023-04-24 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | Lithium ion battery and electricity utilization device |
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Application publication date: 20191008 |