CN109088100A - Electrolyte functional additive, nonaqueous lithium ion battery electrolyte and lithium ion battery containing the additive - Google Patents
Electrolyte functional additive, nonaqueous lithium ion battery electrolyte and lithium ion battery containing the additive Download PDFInfo
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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
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
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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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- 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
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
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Abstract
The invention discloses a kind of nonaqueous lithium ion electrolysis additive, electrolyte and lithium ion battery, the electrolyte includes electrolytic salt, non-aqueous organic solvent and functional additive, and the functional additive is methane-disulfonic acid additive salt.By the way that the functional additive is added, promote electrolyte that can form stable sulfur-bearing SEI film on battery cathode surface when being melted into for the first time, inhibit the reduction decomposition of electrolyte, simultaneously CEI film can also be formed on anode surface, the oxygenolysis for inhibiting electrolyte, to improve the performance of capacity for the first time, normal-temperature circulating performance, high temperature cyclic performance, storage performance and the low temperature performance of lithium ion battery.
Description
[technical field]
The present invention relates to lithium ion batteries, more particularly it relates to nonaqueous electrolytic solution functional additive, non-aqueous solution electrolysis
Liquid and the lithium ion battery for using the nonaqueous electrolytic solution.
[background technique]
It is right along with lithium ion battery from digital domain to electric car and the quick application extension of extensive energy-accumulating power station
The demand that its energy density is promoted becomes to be increasingly urgent to.Improve the compacted density of positive and negative pole material or using high capacity Si or
Lithium metal as cathode, high-nickel material as anode and promoted battery operating voltage can be obviously improved battery energy it is close
Degree.But a series of performance issues are also brought, for example poor circulation, high-temperature behavior are poor, low temperature performance and high rate performance
Difference, battery is easy analysis lithium when low-temperature circulating.Discovery when to the above problem progress analysis of causes, lithium ion battery is in initial charge mistake
Cheng Zhong can form one layer of SEI film in negative terminal surface.If the SEI film formed is too thick or membrane impedance is too big, battery is at low ambient temperatures
Lithium ion can not quickly penetrate SEI film and enter cathode interlayer, and analysis lithium occurs so as to cause battery；During high temperature circulation,
If the SEI film formed is not form compact and stable enough, SEI film gradually can be dissolved or be ruptured, and exposed negative terminal surface is caused to will continue to consume
Electrolyte simultaneously forms new SEI, so that battery capacity reduces.It follows that the fine or not property to lithium ion battery that SEI film is formed
It can be most important.
To solve the above-mentioned problems, Biyadi Co Ltd Zhang Hongtao et al. is used in patent CN104752764A
Methane-disulfonic acid methylene ester and phosphotriester solve battery high-temperature behavior and cryogenic property, but methane-disulfonic acid methylene ester itself
Extremely unstable, which is easy the use environment decomposed, to electrolyte under normal temperature conditions and transport proposes greatly to require.
We devise a kind of inorganic additives containing disulfonic acid root functional group-methane-disulfonic acid salt, the addition for this problem
The chemical stability of agent is high, can transport and use under normal temperature conditions, and the electrolyte containing the additive is changed for the first time
At when can form dense uniform, the SEI film and CEI film that impedance is smaller and thermodynamic stability is good, battery can be obviously improved
Normal-temperature circulating performance, high temperature cyclic performance, storage performance and low temperature performance.
[summary of the invention]
The technical problem to be solved in the present invention is to provide one kind can improve battery first charge-discharge efficiency, and it is normal to improve battery
Warm cycle performance, high temperature cyclic performance, high-temperature storage performance, the electrolyte functional additive of low temperature performance, non-aqueous lithium from
Sub- battery electrolyte and lithium ion battery comprising the electrolyte.
Technical solution used by electrolyte functional additive of the present invention is: the functional additive is two sulphur of methane
Barbiturates compound.
Technical solution used by nonaqueous lithium ion battery electrolyte of the present invention is: the nonaqueous lithium ion battery electricity
Solution liquid contains electrolytic salt, non-aqueous organic solvent and above-mentioned functional additive, the functional additive methane-disulfonic acid salt
Closing object includes methane-disulfonic acid disodium salt, methane-disulfonic acid di-potassium, methane-disulfonic acid aluminium salt, fluomethane disulfonate
One of salt, two fluoro methane-disulfonic acid disodium salts etc. or more than one mixture.The nonaqueous lithium ion battery electrolysis
The content of liquid each component is as follows: solvent, 100 parts by weight；Methane-disulfonic acid additive salt, 0.2-10 parts by weight；Other additions
Agent 0.2-10 parts by weight.
Further, content of the above-mentioned functional additive in the nonaqueous lithium ion battery electrolyte is 0.2-10 weight
Part, preferably 1 parts by weight.
Further, the non-aqueous organic solvent is ethylene carbonate (EC), propene carbonate (PC), dimethyl carbonate
(DMC), diethyl carbonate (DEC), methyl ethyl carbonate (EMC), gamma-butyrolacton (GBL), methyl acetate (MA), ethyl acetate
(EA), in propyl acetate (EP), butyl acetate (BA), ethyl propionate (EP), propyl propionate (PP) or butyl propionate (BP) extremely
Few one or more kinds of mixture.
Further, the electrolytic salt is LiPF6、LiBF4、LiClO4、LiBOB、LiDFOB、LiFAP、LiAsF6、
LiSbF6、LiCF3S03、LiN(SO2CF3)2、LiN(SO2C2F5)2、LiN(SO2CF3)2、LiN(SO2C4F9)2、LiC(SO2CF3)3、
LiPF2(C2O4)2、LiPF4(C2O4)、LiB(CF3)4Or LiBF3(C2F5) at least one of or more than one mixture, institute
Stating concentration of the electrolytic salt in lithium-ion battery electrolytes is 0.5~2.5mol/L.
Technical solution used by lithium ion battery of the present invention are as follows: the battery includes anode, cathode, diaphragm and electricity
Liquid is solved, the electrolyte is using above-mentioned nonaqueous lithium ion battery electrolyte.
Further, the cathode includes selected from artificial graphite, natural graphite, Si and its alloy, Sn and its alloy, metal
Lithium and its alloy, metal oxide MOx, one of metal nitride or lithium titanate or a variety of mixtures, wherein the metal
Oxide M OxIn M are as follows: Ti, Mn, V, Cr, Fe, Co, Ni, Cu, Zn, Ge or Sn, x are the number of oxygen atom, and the value of x meets
Constitute the requirement of chemical molecular formula.
Further, the anode is comprising being selected from V2O5；LiV3O8；LiM1xM21-xPO4, wherein M1 or M2 be Fe, Mn,
Ni, Co, Cr or Ti, 0≤x≤1；Li3V2-xMx(PO4)3, wherein M is Cr, Co, Fe, Mg, Y, Ti, Nb or Ce, 0≤x≤1；
LiVPO4F；LiM1xM21-xO2, wherein M1 or M2 is Fe, Mn, Ni, Co, Cr, Ti, Mg or Al, 0≤x≤1；LiM1xM2yM31-x- yO2, wherein M1, M2 or M3 are Fe, Mn, Ni, Co, Cr, Ti, Mg or Al, 0≤x≤1,0≤y≤1；LiMn2-yXyO4, wherein X be
Cr, Al or Fe, 0≤y≤1；LiNi0.5-yXyMn1.5O4, wherein X is Fe, Cr, Zn, Al, Mg, Ga, V or Cu, 0≤y < 0.5；
xLi2MnO3·(1-x)LiM1yM2zM31-y-zO2, wherein M1, M2 or M3 are Mn, Ni, Co, Cr, Fe or their mixture, x=
0.3~0.5, y≤0.5, z≤0.5；Li2MSiO4, wherein M is Mn, Fe or Co；LiMSO4F, wherein M is Fe, Mn or Co；Li2-x
(Fe1-yMny)P2O7, wherein 0≤x≤2,0≤y≤1；The preferred LiMn of positive electrode2O4、LiFePO4、LiCoO2、
LiNi0.8Co0.15Al0.05O2、LiNi0.8Co0.1Mn0.1O2、LiNi1/3Mn1/3Co1/3O2、LiNi0.5Mn0.3Co0.2O2、
LiNi0.4Mn0.4Co0.2O2、LiNi0.5Mn1.5O4Or LiCoPO4At least one of or more than one mixture.
The nonaqueous lithium ion battery electrolyte proposed in the present invention can be used for lithium ion battery.Non-aqueous lithium of the invention from
Sub- battery further includes the positive electrode, the negative electrode and the separator other than nonaqueous electrolytic solution.
Wherein positive electrode material used in lithium ion battery is not particularly limited, such as: LiCo02、LiNi02、
LiMn02、LiMn2O4、LiNixCoyMnzO2(x+y+z=1) compound transition metal oxide containing lithium such as；It is also possible to these to contain
The substance or these transition metal combined oxidations containing lithium of a variety of transition metal mixing in the compound transition metal oxide of lithium
A part of transition metal of object is by the substance of other metal replacements；It is also possible to phosphate LiMPO4(M Fe, Mn, Co or it is mixed
It closes)；It can also be V205、Mo03Equal oxides are TiS2, FeS sulfides either polyacetylene, it is poly- to benzene, polyaniline and
The electroconductive polymers such as polypyrrole or active carbon or the polymer generated free radicals or carbon material etc..
Lithium battery in the present invention is to negative electrode material it is not also specifically limited, can be can be embedded in and deviate from lithium ion
Lithium metal, the alloy of lithium and other metals and metallic compound, various carbon materials, Si/C composite negative pole, Sn/C composite negative pole,
Metal oxide, metal nitride, active carbon or electric conductive polymer etc..
The structure of nonaqueous lithium ion battery of the invention is not particularly limited.For example, the nonaqueous lithium ion battery
It can be button cell, including a piece of anode, a piece of cathode and single-layer septum；Or cylinder type or diamond-shaped (including Soft Roll, aluminium
Shell, steel shell, plastic casing) battery, including multilayer anode, multilayer cathode and diaphragm.The diaphragm can be well known micropore polyolefin
Film, fabric or non-woven.
The beneficial effects of the present invention are: by introducing novel substance as lithium ion battery functional additive and being applied to non-aqueous
In lithium-ion battery electrolytes and battery, the battery made of the nonaqueous lithium ion battery electrolyte can be when being melted into for the first time
Battery cathode surface forms stable sulfur-bearing SEI film, inhibits the reduction decomposition of electrolyte, while can also be on anode surface
Form CEI film, inhibit the oxygenolysis of electrolyte, so improve the performance of capacity for the first time of lithium ion battery, normal-temperature circulating performance,
High temperature cyclic performance, storage performance and low temperature performance.
Certainly, in order to obtain battery other functions promotion, additive such as carbon can also be added in electrolyte of the present invention
Sour vinylene (VC), ethenylidene ethylene carbonate (VEC), fluorinated ethylene carbonate (FEC), adiponitrile (SN), succinonitrile
(ADN), at least one of ethylene sulfite (ES) or more than one mixture, this is decided according to the actual requirements.
[specific embodiment]
Below with reference to specific embodiment, the present invention will be further explained.
The nonaqueous electrolytic solution of lithium ion battery in the present invention, by solvent, lithium salts, methane-disulfonic acid salt and conventional additives group
At.
Wherein, 100 parts by weight of solvent；Methane-disulfonic acid additive salt 0.2-10 parts by weight；Other electrolysis additives
0-10 parts by weight.Solvent is cyclic carbonate and/or linear carbonate, and the molar concentration of lithium salts in a solvent is 0.8-
1.5mol/L。
Additive methane-disulfonic acid salt can form stable sulfur-bearing SEI film on battery cathode surface when being melted into for the first time, inhibit
The further reduction decomposition of electrolyte, while CEI film can also be formed on anode surface, inhibit the oxidation point of electrolyte
Solution, and then improve the performance of capacity for the first time, normal-temperature circulating performance, high temperature cyclic performance, storage performance and the low temperature of lithium ion battery
Discharge performance.
Embodiment 1
Electrolyte is prepared in BRAUN glove box, and the nitrogen that purity is 99.999%, water in glove box are full of in glove box
Sub-control system is within 5ppm, and Oxygen control is within 1ppm, and temperature is in room temperature.By 30 grams of EC, 70 grams of DEC, it is uniformly mixed, it is close
Envelope, is put into refrigerator after it is cooled to 8 DEG C, is transferred in glove box, LiPF is then added in two batches6And be sufficiently mixed, match
It is set to the nonaqueous electrolytic solution for the lithium ion battery that lithium salts molar concentration is 1.2mol/L, solvent is added in the above nonaqueous electrolytic solution
The FEC of gross mass 4%, 0.2% methane-disulfonic acid lithium salts, 4% PS, 2% ADN obtain high voltage lithium after evenly mixing
Ion nonaqueous electrolytic solution.
The preparation method of following other embodiments and comparative example is carried out referring to the preparation method of embodiment 1.
Wherein, propyl propionate PP (CAS:106-36-5) fluorinated ethylene carbonate FEC (CAS:114435-02-8), fourth two
Nitrile SN (CAS:110-61-2), adiponitrile AND (CAS:111-69-3), 1,3 propyl sulfonic acid lactone PS (CAS:1120-71-4),
Maleic anhydride MA (CAS:108-31-6), succinic anhydride SA (CAS:108-30-5), methane-disulfonic acid disodium salt (CAS:5799-
70-2), the materials such as methane-disulfonic acid di-potassium (CAS:6291-65-2), methane-disulfonic acid aluminium salt (CAS:52667-15-9) are purchased
From in lark prestige Science and Technology Ltd., DFEC (CAS:311810-76-1) is purchased from Su Wei (Shanghai) Co., Ltd..
Battery production and performance test
The preparation of positive plate: the anode pole piece of lithium ion battery is prepared: the Kynoar for being 3% by mass percent
(PVDF) it is dissolved in nmp solution, by the cobalt acid lithium (LiCoO of mass percent 96%2), 3% conductive agent charcoal of mass percent
It is black that above-mentioned solution is added and is uniformly mixed, after the slurry being blended to be coated on to the two sides of the plus plate current-collecting body of aluminium foil composition, drying
Compacting is used as anode pole piece, and positive compacted density is 4.05g/cm3。
The preparation of cathode pole piece: by mass percent be 4% SBR (polystyrene, butadiene suspension) binder,
The thickener for the CMC (sodium carboxymethylcellulose) that mass percent is 1% is dissolved in aqueous solution, is 95% by mass percent
Above-mentioned solution is added in graphite, is uniformly mixed, after the slurry being blended to be coated on to the two sides of the negative current collector of copper foil composition, drying
Compacting is used as cathode pole piece.
Dry battery core is anode with high pressure cobalt acid lithium, and using graphite as cathode, microporous polyethylene film is that rectangular do is made in diaphragm
Battery core.By dry battery core 80-85 DEG C of baking oven dry move back within 48 hours it is stand-by into glove box.By the various embodiments described above and compare respectively
Example gained electrolyte injects the good dry battery core of above-mentioned drying, is then allowed to stand 24 hours, and preliminary filling is once melted into, sealing, secondary chemical conversion
Afterwards, embodiment and comparative example experimental cell are obtained.
High voltage cycle performance test to embodiment and is compared under conditions of 25 ± 2 DEG C of room temperature, relative humidity 45-75%
Example experimental cell carries out the test of 3-4.45V cycle performance of battery, testing procedure are as follows: a.1C constant-current charge to 4.45V, then constant pressure
Charge to cut-off current 0.05C；Stand 10 minutes；B.1C constant-current discharge stands 10 minutes to 3.0V；C. circulation step a and b,
Cycle-index is 400 times.Test result sees attached list 1.
Table 1: embodiment and comparative example
Table 2: embodiment and comparative example test result
From the results, it was seen that by methane-disulfonic acid additive salt using battery can be significantly improved in embodiment
Normal-temperature circulating performance, high temperature cyclic performance, storage performance and low temperature performance.
Above-described embodiment is the explanation for several embodiments that inventor carries out the present invention, naturally it is also possible to be other
Additive, such as methane-disulfonic acid caesium, methane-disulfonic acid rubidium can reach effect of the present invention.
Above-described embodiment is described in detail the present invention, but is not meant to that the present invention is limited only to these realities
Example.In the case where not departing from the technology of the present invention principle, make improvements and deform the claims in the present invention and technology it
It is interior, it also should belong to protection scope of the present invention.
The present invention has the following advantages and effects with respect to the prior art:
(1) there is excellent cycle performance using the lithium battery that the above nonaqueous electrolytic solution of the present invention is prepared.
(2) belong to work using the methane-disulfonic acid salt that the nonaqueous electrolytic solution of the above high-voltage lithium ion batteries of the present invention uses
Industry raw material, cost is relatively low.
Claims (9)
1. a kind of functional additive of nonaqueous lithium ion battery electrolyte, it is characterised in that: the functional additive is methane two
Sulfonates compound, specially methane-disulfonic acid sodium salt, methane-disulfonic acid sylvite, methane-disulfonic acid aluminium salt, fluomethane two
At least one of disodium sulfonate salt, two fluoro methane-disulfonic acid disodium salts etc. or more than one mixture.
2. a kind of nonaqueous lithium ion battery electrolyte, the electrolyte contain electrolytic salt and non-aqueous organic solvent, feature exists
In: the electrolyte further includes functional additive described in claim 1.
3. nonaqueous lithium ion battery electrolyte according to claim 2, it is characterised in that: the solvent is 100 parts by weight,
Content of the functional additive in the nonaqueous lithium ion battery electrolyte is 0.2-10 parts by weight, preferably 1 parts by weight；Its
His additive 0.2-10 parts by weight.
4. nonaqueous lithium ion battery electrolyte according to claim 3, it is characterised in that: other additives are carbonic acid Asia second
Enester (VC), ethenylidene ethylene carbonate (VEC), fluorinated ethylene carbonate (FEC), adiponitrile (SN), succinonitrile (ADN),
At least one of ethylene sulfite (ES) or more than one mixture.
5. nonaqueous lithium ion battery electrolyte according to claim 2, it is characterised in that: the non-aqueous organic solvent is carbon
Vinyl acetate (EC), propene carbonate (PC), dimethyl carbonate (DMC), diethyl carbonate (DEC), methyl ethyl carbonate (EMC),
Gamma-butyrolacton (GBL), methyl acetate (MA), ethyl acetate (EA), propyl acetate (EP), butyl acetate (BA), ethyl propionate
(EP), one of propyl propionate (PP) or butyl propionate (BP) or a variety of mixtures.
6. nonaqueous lithium ion battery electrolyte according to claim 2, it is characterised in that: the electrolytic salt is LiPF6、
LiBF4、LiClO4、LiBOB、LiDFOB、LiFAP、LiAsF6、LiSbF6、LiCF3S03、LiN(SO2CF3)2、LiN
(SO2C2F5)2、LiN(SO2CF3)2、LiN(SO2C4F9)2、LiC(SO2CF3)3、LiPF2(C2O4)2、LiPF4(C2O4)、LiB(CF3)4
Or LiBF3(C2F5) at least one of or more than one mixture, the electrolytic salt is in lithium-ion battery electrolytes
Concentration is 0.5~2.5mol/L.
7. a kind of lithium ion battery, including anode, cathode, diaphragm and electrolyte, it is characterised in that: the lithium ion battery uses
Nonaqueous lithium ion battery electrolyte as claimed in claim 2.
8. lithium ion battery according to claim 7, it is characterised in that: the cathode includes selected from artificial graphite, naturally
Graphite, Si and its alloy, Sn and its alloy, lithium metal and its alloy, metal oxide MOx, in metal nitride or lithium titanate
One or more mixtures, wherein the metal oxide MOxIn M are as follows: Ti, Mn, V, Cr, Fe, Co, Ni, Cu, Zn, Ge
Or Sn, x are the number of oxygen atom, the value of x meets the requirement for constituting chemical molecular formula.
9. lithium ion battery according to claim 7, it is characterised in that: the anode is comprising being selected from V2O5；LiV3O8；
LiM1xM21-xPO4, wherein M1 or M2 is Fe, Mn, Ni, Co, Cr or Ti, 0≤x≤1；Li3V2-xMx(PO4)3, wherein M be Cr,
Co, Fe, Mg, Y, Ti, Nb or Ce, 0≤x≤1；LiVPO4F；LiM1xM21-xO2, wherein M1 or M2 be Fe, Mn, Ni, Co, Cr,
Ti, Mg or Al, 0≤x≤1；LiM1xM2yM31-x-yO2, wherein M1, M2 or M3 are Fe, Mn, Ni, Co, Cr, Ti, Mg or Al, 0≤x
≤ 1,0≤y≤1；LiMn2-yXyO4, wherein X is Cr, Al or Fe, 0≤y≤1；LiNi0.5-yXyMn1.5O4, wherein X be Fe, Cr,
Zn, Al, Mg, Ga, V or Cu, 0≤y < 0.5；xLi2MnO3·(1-x)LiM1yM2zM31-y-zO2, wherein M1, M2 or M3 be Mn,
Ni, Co, Cr, Fe or their mixture, x=0.3~0.5, y≤0.5, z≤0.5；Li2MSiO4, wherein M is Mn, Fe or Co；
LiMSO4F, wherein M is Fe, Mn or Co；Li2-x(Fe1-yMny)P2O7, wherein 0≤x≤2,0≤y≤1；Wherein positive electrode is excellent
Select LiMn2O4、LiFePO4、LiCoO2、LiNi0.8Co0.15Al0.05O2、LiNi0.8Co0.1Mn0.1O2、LiNi1/3Mn1/3Co1/3O2、
LiNi0.5Mn0.3Co0.2O2、LiNi0.4Mn0.4Co0.2O2、LiNi0.5Mn1.5O4Or LiCoPO4At least one of or more than one
Mixture.
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| CN110190329A (en) * | 2019-05-20 | 2019-08-30 | 惠州市豪鹏科技有限公司 | The application of the bis- -1,3,2- dioxazole thiophene -2,2- dioxide of 4,4- and electrolyte, lithium ion battery |
| CN110994028A (en) * | 2019-12-25 | 2020-04-10 | 香河昆仑化学制品有限公司 | Electrolyte applied to high-energy-density lithium ion battery and preparation method thereof |
| CN112467218A (en) * | 2020-12-01 | 2021-03-09 | 郑州大学 | Lithium metal battery based on copper nitrate electrolyte additive |
| CN112652817A (en) * | 2021-01-04 | 2021-04-13 | 吴翠云 | Lithium ion battery electrolyte and lithium ion battery |
| CN114094166A (en) * | 2021-11-19 | 2022-02-25 | 北京胜能能源科技有限公司 | Lithium ion battery non-aqueous electrolyte and lithium ion battery |
| CN114204031A (en) * | 2021-12-14 | 2022-03-18 | 同济大学 | Surface-modified ternary cathode material, preparation method and application thereof |
| CN114614088A (en) * | 2022-01-10 | 2022-06-10 | 天津大学 | Capacity compensation type electrolyte additive, preparation method and application thereof, and electrolyte and secondary battery containing additive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186034A (en) * | 2015-07-28 | 2015-12-23 | 珠海市赛纬电子材料有限公司 | Electrolyte employing propylene carbonate as main solvent and lithium-ion battery |
| CN105449281A (en) * | 2015-12-29 | 2016-03-30 | 珠海市赛纬电子材料有限公司 | Electrolyte taking propylene carbonate as main solvent and secondarily liquid injected lithium ion battery |
| CN106129473A (en) * | 2016-09-18 | 2016-11-16 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous electrolytic solution of silicon-based anode lithium ion battery |
| CN106229549A (en) * | 2016-10-10 | 2016-12-14 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous electrolytic solution of high-voltage lithium ion battery |
| CN106941192A (en) * | 2015-10-30 | 2017-07-11 | 汽车能源供应公司 | Lithium rechargeable battery |
| CN108075188A (en) * | 2016-11-14 | 2018-05-25 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous lithium ion battery electrolyte and lithium ion battery |
-
2018
- 2018-07-13 CN CN201810767447.XA patent/CN109088100A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186034A (en) * | 2015-07-28 | 2015-12-23 | 珠海市赛纬电子材料有限公司 | Electrolyte employing propylene carbonate as main solvent and lithium-ion battery |
| CN106941192A (en) * | 2015-10-30 | 2017-07-11 | 汽车能源供应公司 | Lithium rechargeable battery |
| CN105449281A (en) * | 2015-12-29 | 2016-03-30 | 珠海市赛纬电子材料有限公司 | Electrolyte taking propylene carbonate as main solvent and secondarily liquid injected lithium ion battery |
| CN106129473A (en) * | 2016-09-18 | 2016-11-16 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous electrolytic solution of silicon-based anode lithium ion battery |
| CN106229549A (en) * | 2016-10-10 | 2016-12-14 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous electrolytic solution of high-voltage lithium ion battery |
| CN108075188A (en) * | 2016-11-14 | 2018-05-25 | 珠海市赛纬电子材料股份有限公司 | A kind of nonaqueous lithium ion battery electrolyte and lithium ion battery |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190329A (en) * | 2019-05-20 | 2019-08-30 | 惠州市豪鹏科技有限公司 | The application of the bis- -1,3,2- dioxazole thiophene -2,2- dioxide of 4,4- and electrolyte, lithium ion battery |
| CN110994028A (en) * | 2019-12-25 | 2020-04-10 | 香河昆仑化学制品有限公司 | Electrolyte applied to high-energy-density lithium ion battery and preparation method thereof |
| CN110994028B (en) * | 2019-12-25 | 2022-07-05 | 香河昆仑新能源材料股份有限公司 | Electrolyte applied to high-energy-density lithium ion battery and preparation method thereof |
| CN112467218A (en) * | 2020-12-01 | 2021-03-09 | 郑州大学 | Lithium metal battery based on copper nitrate electrolyte additive |
| CN112652817A (en) * | 2021-01-04 | 2021-04-13 | 吴翠云 | Lithium ion battery electrolyte and lithium ion battery |
| CN112652817B (en) * | 2021-01-04 | 2022-09-16 | 吴翠云 | Lithium ion battery electrolyte and lithium ion battery |
| CN114094166A (en) * | 2021-11-19 | 2022-02-25 | 北京胜能能源科技有限公司 | Lithium ion battery non-aqueous electrolyte and lithium ion battery |
| CN114094166B (en) * | 2021-11-19 | 2023-12-12 | 北京胜能能源科技有限公司 | Non-aqueous electrolyte of lithium ion battery and lithium ion battery |
| CN114204031A (en) * | 2021-12-14 | 2022-03-18 | 同济大学 | Surface-modified ternary cathode material, preparation method and application thereof |
| CN114614088A (en) * | 2022-01-10 | 2022-06-10 | 天津大学 | Capacity compensation type electrolyte additive, preparation method and application thereof, and electrolyte and secondary battery containing additive |
| CN114614088B (en) * | 2022-01-10 | 2024-05-07 | 天津储翕科技有限公司 | Capacity compensation type electrolyte additive, preparation method and application thereof, and electrolyte and secondary battery containing additive |
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