CN107240717A - High-temperature electrolyte and lithium ion battery - Google Patents
High-temperature electrolyte and lithium ion battery Download PDFInfo
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- CN107240717A CN107240717A CN201710253350.2A CN201710253350A CN107240717A CN 107240717 A CN107240717 A CN 107240717A CN 201710253350 A CN201710253350 A CN 201710253350A CN 107240717 A CN107240717 A CN 107240717A
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- Prior art keywords
- electrolyte
- high temperature
- carbonate
- lithium ion
- ion battery
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- 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.)
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 53
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000000654 additive Substances 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 26
- -1 borate ester Chemical class 0.000 claims abstract description 24
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical class B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000085 borane Inorganic materials 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 150000001350 alkyl halides Chemical class 0.000 claims description 14
- 125000001188 haloalkyl group Chemical group 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 229910001290 LiPF6 Inorganic materials 0.000 claims description 13
- 229910003002 lithium salt Inorganic materials 0.000 claims description 11
- 159000000002 lithium salts Chemical class 0.000 claims description 11
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 9
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 9
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 229910052794 bromium Inorganic materials 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 4
- 229910013872 LiPF Inorganic materials 0.000 abstract description 4
- 101150058243 Lipf gene Proteins 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 4
- 239000007774 positive electrode material Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000013538 functional additive Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000005619 boric acid group Chemical group 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical group CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The present invention, which provides the borate ester added in a kind of high-temperature electrolyte and the lithium ion battery including the electrolyte, electrolyte or boranes high temperature additive, can not only suppress LiPF under high temperature6Decomposition, alleviate PF5With solvent reaction, CO, CO are reduced2Generation and electrolyte with hydrocarbon gas are consumed excessively, additionally it is possible to capture F‑, HF generation is reduced, so as to optimize the stability of positive electrode active materials and SEI films, the cycle performance of lithium ion battery is lifted.
Description
【Technical field】
The present invention relates to technical field of lithium ion, more particularly to a kind of high-temperature electrolyte and using the electrolyte
Lithium ion battery.
【Background technology】
As the electrolyte of ion transmission body between lithium ion battery plus-negative plate, it is necessary to possess high conductivity, wide electrochemistry
Window and high thermal stability.Electrolyte is mainly made up of lithium salts, organic solvent and functional additive, and commonly using lithium salts includes LiPF6,
It has high room-temperature conductivity, electrochemical stability good (not corroding collector), is soluble in carbonate based organic solvent etc. excellent
Benign energy, but LiPF6At high temperature it is unstable it is easy decomposition and to trace water sensitive generate PF5, HF and LiF.HF causes active material
Material dissolving and SEI films are unstable, cause reversible capacity decay and SEI films to be continuously generated, so as to influence battery performance.Together
When, PF6 -And PF5Easily cause EC, PC equal solvent ring-opening reaction, generate CO, CO2, hydrocarbon gas and organic-inorganic lithium salts, cause
Air pressure crosses ambassador's battery and breaks unlatching, leakage occurs and catches fire or even explode.
【The content of the invention】
LiPF can be suppressed by being included it is an object of the invention to provide a kind of high-temperature electrolyte, in the electrolyte6Decompose
Additive, also provides a kind of lithium ion battery using the electrolyte.
To achieve these goals, the present invention provides a kind of high-temperature electrolyte, including lithium salts, solvent and borate ester
Or boranes high temperature additive, and the high temperature additive accounts for the 0.5-5% of electrolyte gross mass.
In a preferred embodiment, the structural formula of the borate ester high temperature additive is
Wherein, R1、R2And R3For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate.
In a preferred embodiment, the structural formula of the boranes high temperature additive is
Wherein, R4、R5And R6For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate.
In a preferred embodiment, the lithium salts is LiPF6, and LiPF6Account for the 10-25% of electrolyte gross mass.
In a preferred embodiment, the solvent includes ethylene carbonate, methyl ethyl carbonate, propene carbonate and carbon
Sour vinylene, and to account for the electrolyte total for the ethylene carbonate, methyl ethyl carbonate, propene carbonate and vinylene carbonate
The percentage of quality is respectively 20-30%, 50-60%, 4-8% and 1-2%.
And propane sulfonic acid lactones accounts for electrolyte gross mass in a preferred embodiment, in addition to propane sulfonic acid lactones,
1-1.5%.
In a preferred embodiment, the halogen in haloalkyl, halogenophenyl, alkyl halide silicon substrate is F, Cl or Br.
The present invention also provides a kind of lithium ion battery of the electrolyte including as described in any one in claim 2-3.
The high-temperature electrolyte that the present invention is provided can be used in lithium ion battery and improve its electrical property, and the electrolyte is added
Borate or boranes high temperature additive can not only suppress LiPF under high temperature6Decomposition, alleviate PF5With solvent reaction, reduce
CO、CO2Generation and electrolyte with hydrocarbon gas are consumed excessively, additionally it is possible to capture F-, HF generation is reduced, so as to optimize
The stability of positive electrode active materials and SEI films, lifts the cycle performance of lithium ion battery.
【Brief description of the drawings】
Fig. 1 is the cyclic curve of the lithium ion battery obtained by a specific embodiment and comparative example.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with accompanying drawing and
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
The present invention provides a kind of high-temperature electrolyte, including lithium salts, solvent and high temperature additive.Specifically, the lithium salts
For LiPF6, and LiPF6Account for the 10-25% of electrolyte gross mass.The solvent includes ethylene carbonate, methyl ethyl carbonate, carbonic acid
Propylene and vinylene carbonate, and the ethylene carbonate, methyl ethyl carbonate, propene carbonate and vinylene carbonate account for institute
The percentage for stating electrolyte gross mass is respectively 20-30%, 50-60%, 4-8% and 1-2%.The high temperature additive is boric acid
Esters or borine type organic, and the high temperature additive accounts for the 0.5-5% of electrolyte gross mass.
The structural formula of the borate ester high temperature additive is
Wherein, R1、R2And R3For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate,
Halogen in haloalkyl, halogenophenyl, alkyl halide silicon substrate is preferably F, Cl or Br.
The structural formula of the boranes high temperature additive is
Wherein, R4、R5And R6For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate,
Halogen in haloalkyl, halogenophenyl, alkyl halide silicon substrate is preferably F, Cl or Br.
Above-mentioned borate ester or boranes high temperature additive include boryl anion receptor and Xi electricity functional groups, because boron is former
Son is short of electricity minor structure, with the PF in electrolyte6 -Generation physics complexing, so as to suppress LiPF6Thermal decomposition.
Further, the electrolyte also includes propane sulfonic acid lactones, and propane sulfonic acid lactones accounts for electrolyte gross mass
1-1.5%.The propane sulfonic acid lactones, as the functional additive prepared in the prior art used in lithium ion battery, is also raising
The high-temperature behavior of lithium ion battery serves positive role.
The present invention also provides a kind of lithium ion battery, the electrolyte that the lithium ion battery is used include lithium salts, solvent and
High temperature additive.Specifically, the lithium salts is LiPF6, and LiPF6Account for the 10-25% of electrolyte gross mass.The solvent includes
Ethylene carbonate, methyl ethyl carbonate, propene carbonate and vinylene carbonate, and the ethylene carbonate, methyl ethyl carbonate, carbon
The percentage that acid propylene ester and vinylene carbonate account for the electrolyte gross mass be respectively 20-30%, 50-60%, 4-8% and
1-2%.The high temperature additive is borate ester or borine type organic, and the high temperature additive accounts for electrolyte gross mass
0.5-5%.
The structural formula of the borate ester high temperature additive is
Wherein, R1、R2And R3For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate,
Halogen in haloalkyl, halogenophenyl, alkyl halide silicon substrate is preferably F, Cl or Br.
The structural formula of the boranes high temperature additive is
Wherein, R4、R5And R6For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate,
Halogen in haloalkyl, halogenophenyl, alkyl halide silicon substrate is preferably F, Cl or Br.
Further, the electrolyte of the lithium ion battery also includes propane sulfonic acid lactones, and propane sulfonic acid lactones accounts for electricity
Solve the 1-1.5% of liquid gross mass.
Embodiment
In a detailed embodiment, the electrolyte by mass fraction be 15% LiPF6, 25% ethylene carbonate
Ester, 50% methyl ethyl carbonate, 6% propene carbonate, 2% vinylene carbonate, 1% propane sulfonic acid lactones and 1%
Three (pentafluorophenyl group) borines composition.Further, battery core is assembled using positive plate, negative plate and barrier film and injects above-mentioned electrolysis
Liquid prepares 5.0Ah lithium ion batteries.Wherein, the positive plate includes the positive pole being made up of LiFePO4, conductive agent and binding agent
Coating layer of active substance；Negative plate includes the negative electrode active material coating being made up of graphite, binding agent and conductive agent.
Comparative example
For play control effect, the electrolyte by mass fraction be 15% LiPF6, 25% ethylene carbonate, 51%
Methyl ethyl carbonate, 6% propene carbonate, 2% vinylene carbonate and 1% propane sulfonic acid lactones composition.Likewise,
Battery core is assembled using positive plate, negative plate and barrier film and above-mentioned electrolyte is injected and prepares 5.0Ah lithium ion batteries.Wherein, it is described
Positive plate includes the positive active material coating being made up of LiFePO4, conductive agent and binding agent；Negative plate includes by graphite, glued
Tie the negative electrode active material coating of agent and conductive agent composition.
It should be understood that the electrolysis that to be injection different of embodiment and the lithium ion battery difference prepared by comparative example
Liquid, the difference of two kinds of electrolyte is to there are three (pentafluorophenyl group) borines in embodiment as high temperature additive, and comparative example is not
In the presence of the high temperature additive.
Embodiment and the lithium ion battery prepared by comparative example are placed at a temperature of 60 DEG C, filled according to 3C multiplying power
Discharge cycles.Test result is as shown in Figure 1, it can be seen that with the addition of three (pentafluorophenyl group) borines as the lithium of high temperature additive
Capability retention of the ion battery after 50 weeks is 90.5%, without the capacity of lithium ion battery conservation rate of the high temperature additive
For 84.17%.
The high-temperature electrolyte that the present invention is provided can be used in lithium ion battery and improve its electrical property, and the electrolyte is added
Borate or boranes high temperature additive can not only suppress LiPF under high temperature6Decomposition, alleviate PF5With solvent reaction, reduce
CO、CO2Generation and electrolyte with hydrocarbon gas are consumed excessively, additionally it is possible to capture F-, HF generation is reduced, so as to optimize
The stability of positive electrode active materials and SEI films, lifts the cycle performance of lithium ion battery.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (8)
1. a kind of high-temperature electrolyte, including lithium salts and solvent, it is characterised in that：Added including borate ester or borine type high temp
Agent, and the high temperature additive accounts for the 0.5-5% of electrolyte gross mass.
2. electrolyte as claimed in claim 1, it is characterised in that：The structural formula of the borate ester high temperature additive is
Wherein, R1、R2And R3For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate.
3. electrolyte as claimed in claim 1, it is characterised in that：The structural formula of the boranes high temperature additive is
Wherein, R4、R5And R6For the one or more in alkyl, haloalkyl, phenyl, halogenophenyl, alkyl halide silicon substrate.
4. electrolyte as claimed in claim 2 or claim 3, it is characterised in that：The lithium salts is LiPF6, and LiPF6Account for electrolyte total
The 10-25% of quality.
5. electrolyte as claimed in claim 2 or claim 3, it is characterised in that：The solvent includes ethylene carbonate, methyl ethyl carbonate
Ester, propene carbonate and vinylene carbonate, and the sub- second of the ethylene carbonate, methyl ethyl carbonate, propene carbonate and carbonic acid
The percentage that alkene ester accounts for the electrolyte gross mass is respectively 20-30%, 50-60%, 4-8% and 1-2%.
6. electrolyte as claimed in claim 2 or claim 3, it is characterised in that：Also include propane sulfonic acid lactones, and propane sulfonic acid lactones
Account for the 1-1.5% of electrolyte gross mass.
7. electrolyte as claimed in claim 2 or claim 3, it is characterised in that：In haloalkyl, halogenophenyl, alkyl halide silicon substrate
Halogen is F, Cl or Br.
8. a kind of lithium ion battery of the electrolyte including as described in any one in claim 2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253350.2A CN107240717A (en) | 2017-04-18 | 2017-04-18 | High-temperature electrolyte and lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253350.2A CN107240717A (en) | 2017-04-18 | 2017-04-18 | High-temperature electrolyte and lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107240717A true CN107240717A (en) | 2017-10-10 |
Family
ID=59983468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253350.2A Pending CN107240717A (en) | 2017-04-18 | 2017-04-18 | High-temperature electrolyte and lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240717A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980283A (en) * | 2019-04-27 | 2019-07-05 | 珠海冠宇电池有限公司 | Lithium-ion battery electrolytes and lithium ion battery containing the electrolyte |
| CN110010955A (en) * | 2018-01-04 | 2019-07-12 | 珠海光宇电池有限公司 | Lithium-ion battery electrolytes and lithium ion battery |
| CN111769326A (en) * | 2020-06-18 | 2020-10-13 | 合肥国轩高科动力能源有限公司 | Ternary cathode material lithium ion battery electrolyte |
-
2017
- 2017-04-18 CN CN201710253350.2A patent/CN107240717A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010955A (en) * | 2018-01-04 | 2019-07-12 | 珠海光宇电池有限公司 | Lithium-ion battery electrolytes and lithium ion battery |
| CN109980283A (en) * | 2019-04-27 | 2019-07-05 | 珠海冠宇电池有限公司 | Lithium-ion battery electrolytes and lithium ion battery containing the electrolyte |
| CN111769326A (en) * | 2020-06-18 | 2020-10-13 | 合肥国轩高科动力能源有限公司 | Ternary cathode material lithium ion battery electrolyte |
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Application publication date: 20171010 |