EP3973587A1 - Composition d'electrolyte comprenant un mélange de sels de lithium - Google Patents
Composition d'electrolyte comprenant un mélange de sels de lithiumInfo
- Publication number
- EP3973587A1 EP3973587A1 EP20737250.9A EP20737250A EP3973587A1 EP 3973587 A1 EP3973587 A1 EP 3973587A1 EP 20737250 A EP20737250 A EP 20737250A EP 3973587 A1 EP3973587 A1 EP 3973587A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lithium
- mol
- equal
- electrolyte composition
- composition according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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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
-
- 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
-
- 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
- H01M10/056—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
- H01M10/0568—Liquid materials characterised by the solutes
-
- 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
-
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/381—Alkaline or alkaline earth metals elements
- H01M4/382—Lithium
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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
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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
Definitions
- the present invention relates to an electrolytic composition comprising at least three lithium salts, and its use in lithium batteries.
- the present invention also relates to the use of such an electrolyte composition for reducing the formation of dendrites.
- Li-ion batteries comprising a lithium metal anode: so-called conventional lithium-ion batteries or Li-sulfur batteries.
- Li-ion batteries comprising a lithium metal anode are not marketed at this stage because of life problems mainly linked to the formation of dendrites.
- a dendrite is a lithium filament that is created when the battery is charged. This filament can then grow until it passes through the separator and cause a short circuit resulting in the irreversible degradation of the Li-ion battery.
- the present application relates to an electrolyte composition
- an electrolyte composition comprising:
- LiTDI lithium 2-trifluoromethyl-4,5-dicyano-imidazolate
- LiFSI lithium bis (fluorosulfonyl) imide
- LiNO 3 lithium nitrate
- lithium salt of bis (fluorosulfonyl) imide lithium bis (fluorosulfonyl) imide
- LiFSI lithium bis (fluorosulfonyl) imide
- LiN (FSC> 2) 2 or “lithium bis (fluorosulfonyl) imide”.
- SEI Solid Electrolyte Interface
- SEI Solid Electrolyte Interface
- SEI Solid Electrolyte Interface
- SEI is a passivation layer that forms primarily at the anode, and helps prevent electrolyte reduction. It is typically permeable to the lithium cation for the proper functioning of the Li-ion battery.
- LiTDI Lithium 2-trifluoromethyl-4,5-dicyano-imidazolate, known under the name LiTDI, has the following structure:
- the electrolyte composition is an electrolyte composition for batteries, and in particular for Li-ion batteries.
- the additive (A) allowing the formation of the SEI passivation layer may be chosen from the group consisting of fluoroethylene carbonate (FEC), vinylene carbonate, difluoroethylenecarbonate, 4-vinyl-1, 3-dioxolan-2- one, pyridazine, vinyl pyridazine, quinoline, vinyl quinoline, butadiene, sebaconitrile, alkyldisulfides, fluorotoluene, 1, 4-dimethoxytetrafluorotoluene, t-butylphenol, di-t-butylphenol , tris (pentafluorophenyl) borane, oximes, aliphatic epoxides, halogenated biphenyls, metacrylic acids, allyl ethyl carbonate, vinyl acetate, divinyl adipate, acrylonitrile, 2-vinylpyridine, maleic anhydride, methyl cinnam
- the additive (A) is fluoroethylene carbonate (FEC).
- the total mass content of additive (s) (A) in the electrolyte composition can range from 0.01% to 10%, preferably from 0.1% to 4% by mass relative to the total mass of the composition. .
- the content of additive (s) (A) in the electrolyte composition is less than or equal to 3% by mass relative to the total mass of the composition.
- the electrolyte composition can include other electrolyte salts. It may for example be LiTFSI, LiPF 6 , L1BF 4 .
- the LiFSI salts, LiTDI and L1NO 3 represent between 2% and 100% by weight of all the salts present in the electrolyte composition, preferably between 25% and 100% by weight, and preferably between 50% and 100% by weight.
- the electrolyte composition does not comprise any alkali or alkanino-earth salt other than LiFSI, LiTDI and L1NO 3 .
- the composition does not include LiPF 6 or LiTFSI.
- the molar concentration of lithium 2-trifluoromethyl-4,5-dicyanoimidazolate (LiTDI) in the electrolyte composition can be less than or equal to 3 mol / L, preferably less than or equal to 2 mol / L, even more preferably less than or equal to 1 mol / L.
- the molar concentration of lithium 2-trifluoromethyl-4,5-dicyanoimidazolate (LiTDI) in the electrolyte composition can be between 0.01 and 3 mol / L, preferably between 0.01 and 2 mol / L , even more preferably between 0.02 and 1 mol / L.
- the molar concentration of lithium bis (fluorosulfonyl) imide (LiFSI) in the electrolyte composition may be less than or equal to 5 mol / L, preferably less than or equal to 4 mol / L, even more preferably less than or equal to 3 mol / L, and advantageously less than or equal to 2 mol / L.
- the molar concentration of lithium bis (fluorosulfonyl) imide (LiFSI) in the electrolyte composition can be between 0.01 and 5 mol / L, preferably between 0.1 and 5 mol / L, even more preferably between 0 , 5 and 4 mol / L, for example between 0.5 and 2 mol / L.
- the molar concentration of lithium nitrate (L1NO3) in the electrolyte composition may be less than or equal to 3 mol / L, preferably less than or equal to 2 mol / L, even more preferably less than or equal to 1 mol / L .
- the molar concentration of lithium nitrate (L1NO 3 ) in the electrolyte composition can be between 0.01 and 3 mol / L, preferably between 0.01 and 2 mol / L, even more preferably between 0.05 and 1 mol / L.
- the molar concentrations of LiFSI, LiTDI and L1NO 3 in the electrolyte composition are such that: [LiFSI] + [LiTDI] + [LiNOs] ⁇ 5 mol / L advantageously less than or equal to 4 mol / L, preferably less than or equal to 3 mol / L, preferably less than or equal to 1.5 mol / L.
- the aforementioned electrolyte composition is such that:
- LiFSI LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI + LiFSI
- the molar concentration of L1NO3 is less than or equal to 1.5 mol / L.
- the electrolyte composition may comprise a non-aqueous solvent or a mixture of different non-aqueous solvents, such as for example two, three or four different solvents.
- the non-aqueous solvent for the electrolyte composition can be a liquid solvent, optionally gelled with a polymer, or a polar polymer solvent optionally plasticized with a liquid.
- the non-aqueous solvent is an aprotic organic solvent.
- the solvent is a polar aprotic organic solvent.
- the non-aqueous solvent is chosen from the group consisting of ethers, carbonates, ketones, partially hydrogenated hydrocarbons, nitriles, amides, sulfoxides, sulfolane, nitromethane, 1 , 3-dimethyl-2-imidazolidinone, 1, 3-dimethyl-3,4,5,6-tetrahydro-2 (1, H) -pyrimidinone, 3-methyl-2-oxazolidinone, and mixtures thereof .
- ethers such as for example dimethoxyethane (DME), methyl ethers of oligoethylene glycols with 2 to 5 oxyethylene units, 1, 3-dioxolane (CAS N ° 646-06- 0), dioxane, dibutyl ether, tetrahydrofuran, and mixtures thereof.
- DME dimethoxyethane
- methyl ethers of oligoethylene glycols with 2 to 5 oxyethylene units 1, 3-dioxolane (CAS N ° 646-06- 0)
- dioxane dibutyl ether
- tetrahydrofuran and mixtures thereof.
- ketones mention may in particular be made of cyclohexanone.
- nitriles mention may be made, for example, of acetonitrile, pyruvonitrile, propionitrile, methoxypropionitrile, dimethylaminopropionitrile, butyronitrile, isobutyronitrile, valeronitrile, pivalonitrile, isovaleronitrile, glutaronitroxy 2aronitrile - methylglutaronitrile, 3-methylglutaronitrile, adiponitrile, malononitrile, and mixtures thereof.
- cyclic carbonates such as, for example, ethylene carbonate (EC), propylene carbonate (PC), butylene carbonate (BC), dimethyl carbonate (DMC), diethyl carbonate (DEC), methyl ethyl carbonate (MEK), diphenyl carbonate, methyl phenyl carbonate, dipropyl carbonate (DPC), methyl propyl carbonate (MPC), ethyl propyl carbonate (EPC), vinylene carbonate (VC) or mixtures thereof.
- EC ethylene carbonate
- PC propylene carbonate
- BC butylene carbonate
- DMC dimethyl carbonate
- DEC diethyl carbonate
- MEK methyl ethyl carbonate
- diphenyl carbonate methyl phenyl carbonate
- DPC dipropyl carbonate
- MPC methyl propyl carbonate
- EPC ethyl propyl carbonate
- VVC vinylene carbonate
- the non-aqueous solvent is selected from the group consisting of carbonates, ethers and mixtures thereof.
- the aforementioned electrolyte composition comprises dimethoxyethane.
- the total mass content of non-aqueous solvent (s) in the electrolyte composition may be greater than or equal to 40% by weight, preferably greater than or equal to 50% by weight, and advantageously greater than or equal to 60% by weight relative to the total weight of the composition.
- the electrolyte composition is such that the additive (A) is different from the non-aqueous solvent.
- the electrolyte composition can be prepared by dissolving, preferably with stirring, the salts in appropriate proportions of solvent (s) and / or additive (s).
- the present application also relates to an electrochemical cell comprising a negative electrode, a positive electrode, and an electrolyte composition as defined here above, in particular interposed between the negative electrode and the positive electrode.
- the electrochemical cell can also comprise a separator, in which the electrolyte composition as defined above is impregnated.
- the present invention also relates to a battery comprising at least one electrochemical cell as described above.
- the battery comprises several electrochemical cells according to the invention, said cells can be assembled in series and / or in parallel.
- negative electrode the electrode which acts as an anode, when the battery delivers current (that is to say when it is in the discharge process) and which makes acts as a cathode when the battery is charging.
- the negative electrode typically comprises an electrochemically active material, optionally an electronically conductive material, and optionally a binder.
- electrochemically active material means a material capable of reversibly inserting ions.
- electrostatically conductive material is meant a material capable of conducting electrons.
- the negative electrode of the electrochemical cell comprises, as electrochemically active material, lithium.
- the negative electrode of the electrochemical cell comprises lithium metal or a lithium-based alloy, which may be in the form of a film or a rod.
- the lithium-based alloys mention may for example be made of lithium-aluminum alloys, lithium-silica alloys, lithium-tin alloys, Li-Zn, Li-Sn, L Bi, L Cd, L SB.
- An example of a negative electrode may be a live lithium film prepared by laminating, between rolls, a lithium strip.
- positive electrode the electrode which acts as a cathode, when the battery delivers current (that is to say when it is in the process of discharging) and which acts as a cathode. anode when the battery is charging.
- the positive electrode typically comprises an electrochemically active material, optionally an electronically conductive material, and optionally a binder.
- the positive electrode material can also comprise, besides the electrochemically active material, an electronically conductive material such as a carbon source, including, for example, carbon black, Ketjen carbon ®, Shawinigan carbon, graphite, graphene, carbon nanotubes, carbon fibers (such as carbon fibers formed in the gas phase (VGCF), powder-free carbon obtained by carbonization of an organic precursor, or a combination of two or more of these Other additives can also be present in the material of the positive electrode, such as lithium salts or inorganic particles of ceramic or glass type, or even other compatible active materials (for example, sulfur).
- an electronically conductive material such as a carbon source, including, for example, carbon black, Ketjen carbon ®, Shawinigan carbon, graphite, graphene, carbon nanotubes, carbon fibers (such as carbon fibers formed in the gas phase (VGCF), powder-free carbon obtained by carbonization of an organic precursor, or a combination of two or more of these
- Other additives can also be present in the material of the positive electrode, such
- the material of the positive electrode can also include a binder.
- binders include linear, branched and / or crosslinked polyether polymeric binders (eg, polymers based on poly (ethylene oxide) (PEO), or poly (propylene oxide) (PPO).
- binders such as SBR (styrene-butadiene rubber), NBR (acrylonitrile-butadiene rubber) ), HNBR (hydrogenated NBR), CHR (epichlorohydrin rubber), ACM (acrylate rubber)
- fluoropolymer type binders such as PVDF (polyvinylidene fluoride), PTFE (polytetrafluoroethylene)
- Some binders, such as those soluble in water may also include an additive such as CMC (carboxymethylcellulose).
- the present application also relates to the use of an electrolyte composition as defined above, in a battery, in particular a Li-ion battery, said battery preferably comprising a negative electrode based on lithium, and in particular with lithium metal base.
- These batteries can be used in portable devices, such as cell phones, cameras, tablets or laptops, in electric vehicles, or in renewable energy storage.
- the present invention also relates to the use of the electrolyte composition as described above in an electrochemical cell comprising at least one negative electrode comprising lithium, and in particular lithium metal, to reduce or suppress the growth of lithium dendrites on the surface of said electrode.
- the electrolyte composition according to the invention advantageously makes it possible to reduce, or even eliminate, the formation of lithium dendrites in an electrochemical cell comprising lithium as an anode electrochemically active material. This advantageously reduces the risk of internal short circuits and therefore improves the life of the battery.
- between x and y or “between x and y” is meant an interval in which the limits x and y are included.
- the range “between 85% and 100%” or “from 85% to 100%” notably includes the values 85 and 100%.
- EMC methyl ethyl carbonate (CAS 623-53-0)
- FEC fluoroethylene carbonate
- the LiFSI used is in particular obtained by the process described in application WO2015 / 158979, while the LiTDI results from the process described in application WO2013 / 072591.
- Example 1 Manufacture of electrolytes
- composition 1 (according to the invention): 1 M LiFSI, 0.05M LiTDI and 0.10M L1NO3, mixture of EC / EMC solvents 3/7 (ratio by volume), 2% by weight in FEC (relative to the total weight mixture of EC / EMC solvents);
- composition 2 (according to the invention): 1 M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, mixture of DOL / DME 1/3 solvents (ratio by weight), 2% by weight in FEC (relative to the weight total of the DOL / DME solvent mixture).
- composition 3 (according to the invention): 1 M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 4 (according to the invention): 1.5M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 5 (according to the invention): 2M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 6 (according to the invention): 4M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 7 (comparative): 1 M LiFSI in DME.
- composition 8 (comparative): 1 M LiFSI, 0.05M LiTDI in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 9 (comparative): 1 M LiFSI, 0.1 M L1NO3, in DME, 2% by weight in FEC (relative to the total weight of DME).
- composition 10 (comparative): 1 M LiFSI, 0.05M LiTDI and 0.1 M L1NO3, in DME.
- compositions were prepared according to the following procedure:
- Method the method consists in charging and discharging a symmetrical Li metal / Li metal battery, the potential of the battery is then measured. This potential is proportional to the surface of the electrodes therefore the appearance of dendrites results in an increase in potential.
- the battery is charged using a positive current of 0.25mAh to an energy density of 0.25mAh.
- the battery is then discharged using a negative current of 0.25 mA to an energy density of 0.25 mAh.
- Figure 1 shows the potential (in e / V) as a function of time (in days) for compositions 3, 7, 8, 9 and 10.
- Figure 1 shows that the potential increases with time for the comparative compositions 7, 8, 9 and 10, which reflects the formation of lithium dendrites.
- composition 3 according to the invention which advantageously reflects the absence of formation of lithium dendrites.
- the electrolyte 3 according to the invention can advantageously be used in a battery comprising a lithium metal anode without risk to safety, and with a better lifetime.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1905387A FR3096512B1 (fr) | 2019-05-22 | 2019-05-22 | Electrolyte a base de sels de lithium |
| PCT/FR2020/050829 WO2020234538A1 (fr) | 2019-05-22 | 2020-05-19 | Composition d'electrolyte comprenant un mélange de sels de lithium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3973587A1 true EP3973587A1 (fr) | 2022-03-30 |
Family
ID=67742780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20737250.9A Withdrawn EP3973587A1 (fr) | 2019-05-22 | 2020-05-19 | Composition d'electrolyte comprenant un mélange de sels de lithium |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20220166066A1 (fr) |
| EP (1) | EP3973587A1 (fr) |
| JP (1) | JP2022533402A (fr) |
| KR (1) | KR20220010030A (fr) |
| CN (1) | CN113826255A (fr) |
| FR (1) | FR3096512B1 (fr) |
| WO (1) | WO2020234538A1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022024568A1 (fr) * | 2020-07-30 | 2022-02-03 | パナソニックIpマネジメント株式会社 | Batterie secondaire au lithium |
| CN113013486A (zh) * | 2021-02-25 | 2021-06-22 | 珠海冠宇电池股份有限公司 | 一种电解液及包括该电解液的锂离子电池 |
| KR20230157395A (ko) * | 2021-03-16 | 2023-11-16 | 일렉트로바야 인코포레이티드 | 재충전가능 고체-상태 리튬 이온 배터리 |
| US12438195B2 (en) | 2021-07-29 | 2025-10-07 | Lg Energy Solution, Ltd. | Non-aqueous electrolyte, and lithium secondary battery comprising the same |
| CN113823840A (zh) * | 2021-10-29 | 2021-12-21 | 中南大学 | 一种锂金属负极用电解液 |
| JP2024544468A (ja) * | 2021-11-10 | 2024-12-03 | エレクトロバヤ インコーポレイテッド | リチウムイオン伝導性セパレータ膜 |
| CN114284558B (zh) * | 2021-12-29 | 2023-05-05 | 惠州亿纬锂能股份有限公司 | 一种锂离子电池电解液及锂离子电池 |
| US20250158122A1 (en) * | 2022-01-28 | 2025-05-15 | Panasonic Energy Co., Ltd. | Non-aqueous electrolyte secondary battery |
| CN117525598A (zh) * | 2022-07-29 | 2024-02-06 | 鸿海精密工业股份有限公司 | 难燃电解质及其制备方法以及锂离子电池 |
| CN115602926B (zh) * | 2022-12-16 | 2023-04-28 | 河北省科学院能源研究所 | 一种耐高温电解液及其制备方法和应用 |
| GB2642943A (en) * | 2024-06-11 | 2026-02-04 | Dyson Technology Ltd | Electrolyte composition |
| GB2641750A (en) * | 2024-06-11 | 2025-12-17 | Dyson Technology Ltd | Electrolyte composition |
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| JP5970752B2 (ja) * | 2011-07-04 | 2016-08-17 | 日本電気株式会社 | 二次電池の製造方法 |
| FR2982610B1 (fr) | 2011-11-14 | 2016-01-08 | Arkema France | Procede de preparation de sel d'anion pentacylique |
| FR2983466B1 (fr) * | 2011-12-06 | 2014-08-08 | Arkema France | Utilisation de melanges de sels de lithium comme electrolytes de batteries li-ion |
| FR2991323B1 (fr) * | 2012-06-04 | 2014-06-13 | Arkema France | Sel d'anions bicycliques aromatiques pour batteries li-ion |
| DE102013210631A1 (de) * | 2013-06-07 | 2014-12-11 | Volkswagen Aktiengesellschaft | Neue Elektrolytzusammensetzung für Hochenergieanoden |
| FR3020060B1 (fr) | 2014-04-18 | 2016-04-01 | Arkema France | Preparation d'imides contenant un groupement fluorosulfonyle |
| US9627716B2 (en) * | 2014-12-16 | 2017-04-18 | GM Global Technology Operations LLC | Electrolyte and lithium based batteries |
| WO2017049471A1 (fr) * | 2015-09-23 | 2017-03-30 | Basf Corporation | Électrolyte pour piles lithium-ion du type lto |
| KR102050836B1 (ko) * | 2015-12-08 | 2019-12-03 | 주식회사 엘지화학 | 리튬이차전지용 전해질 및 이를 포함하는 리튬이차전지 |
| KR101994879B1 (ko) * | 2016-01-12 | 2019-07-01 | 주식회사 엘지화학 | 리튬-황 전지용 비수계 전해액 및 이를 포함하는 리튬-황 전지 |
| US10347943B2 (en) * | 2016-09-14 | 2019-07-09 | Uchicago Argonne, Llc | Fluoro-substituted ethers and compositions |
| CN106505249B (zh) * | 2016-12-15 | 2021-01-05 | 东莞市杉杉电池材料有限公司 | 一种锂离子电池电解液及含该电解液的锂离子电池 |
| FR3064822B1 (fr) * | 2017-04-04 | 2019-06-07 | Arkema France | Melange de sels de lithium et ses utilisations comme electrolyte de batterie |
| FR3069959B1 (fr) * | 2017-08-07 | 2019-08-23 | Arkema France | Melange de sels de lithium et ses utilisations comme electrolyte de batterie |
| KR102183664B1 (ko) * | 2017-09-21 | 2020-11-26 | 주식회사 엘지화학 | 리튬 이차 전지용 전해액 및 이를 포함하는 리튬-이차 전지 |
| CN107834073B (zh) * | 2017-11-02 | 2021-02-09 | 南京航空航天大学 | 一种锂金属电池负极枝晶抑制剂及其使用方法 |
-
2019
- 2019-05-22 FR FR1905387A patent/FR3096512B1/fr not_active Expired - Fee Related
-
2020
- 2020-05-19 JP JP2021568895A patent/JP2022533402A/ja not_active Ceased
- 2020-05-19 US US17/594,258 patent/US20220166066A1/en not_active Abandoned
- 2020-05-19 CN CN202080036394.XA patent/CN113826255A/zh active Pending
- 2020-05-19 KR KR1020217041751A patent/KR20220010030A/ko not_active Ceased
- 2020-05-19 EP EP20737250.9A patent/EP3973587A1/fr not_active Withdrawn
- 2020-05-19 WO PCT/FR2020/050829 patent/WO2020234538A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN113826255A (zh) | 2021-12-21 |
| FR3096512B1 (fr) | 2021-11-05 |
| US20220166066A1 (en) | 2022-05-26 |
| KR20220010030A (ko) | 2022-01-25 |
| WO2020234538A1 (fr) | 2020-11-26 |
| JP2022533402A (ja) | 2022-07-22 |
| FR3096512A1 (fr) | 2020-11-27 |
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