EP2858968A1 - Composition electrolytique comprenant un complexe de coordination comprenant du lithium et au moins un ligand du type trifluoromethylphenate - Google Patents
Composition electrolytique comprenant un complexe de coordination comprenant du lithium et au moins un ligand du type trifluoromethylphenateInfo
- Publication number
- EP2858968A1 EP2858968A1 EP13727219.1A EP13727219A EP2858968A1 EP 2858968 A1 EP2858968 A1 EP 2858968A1 EP 13727219 A EP13727219 A EP 13727219A EP 2858968 A1 EP2858968 A1 EP 2858968A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- represent
- lithium
- composition according
- trifluoromethyl
- 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- Withdrawn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
-
- 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
- H01M10/05—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
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
-
- 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 novel electrolytic compositions comprising at least one coordination complex comprising lithium and at least one ligand of the trifluoromethylphenate type, these novel compositions being applicable in the field of electrolytes, more particularly electrolytes of lithium-ion batteries.
- One of the general areas can therefore be defined as that of lithium-ion batteries.
- the lithium-ion batteries are based on the principle of intercalation-deintercalation of lithium within the constituent materials of the electrodes of the electrochemical cells of the battery.
- the reaction at the origin of the current generation involves the transfer, via a conductive electrolyte of lithium ions.
- lithium cations coming from a negative electrode which are interposed in the acceptor network of the positive electrode, while electrons resulting from the reaction at the electrode negative will feed the external circuit, to which are connected the positive and negative electrode.
- These electrolytes may consist of a mixture comprising at least one organic solvent and at least one lithium salt for conduction of said lithium ions, which requires that the lithium salt be dissolved in said organic solvent.
- the inventors of the present invention have set out to develop new electrolyte compositions conductive lithium ions, not requiring the use of lithium salts dissolved in an organic solvent, and which are simple manufacturing.
- At least one coordination complex comprising lithium and one or more ligands thereof, this or these ligands corresponding to a phenate compound comprising at least one trifluoromethyl group;
- ligand means a compound capable of sharing a negative charge or an electronic doublet with lithium so as to form a coordination link.
- the above-mentioned phenyl compound serving as a ligand may be a phenate compound having the following formula (I):
- R 1 to R 5 represents a trifluoromethyl group, while the other groups, when they do not all represent a trifluoromethyl group, represent a hydrogen atom.
- said compound may be a 3-trifluoromethylphenate compound, a 3, 5-bis (trifluoromethyl) phenate compound or a 2,4,6-tris (trifluoromethyl) phenate compound.
- the complexes present in the compositions of the invention may comprise a compound belonging to the family of ethers.
- an oxygen atom belonging to this compound is bonded to the lithium element (s) via a coordination bond.
- R and R ' represent, independently of one another, a hydrocarbon group comprising, advantageously from 2 to 4 carbon atoms. More specifically, it may be an alkyl group comprising from 2 to 4 carbon atoms. In particular, it may be an ethyl group, in which case the ether compound is diethyl ether.
- compositions of the invention correspond to the following formula (III):
- R 1 to R 5 are as defined above and R and R 'are as defined above.
- the R 1 , R 5 and R 3 may represent a trifluoromethyl group
- the R 2 and R 4 may represent a hydrogen atom
- the R and R ' may represent an ethyl group.
- the complexes of the invention have good electrical conductivity. It is therefore quite natural that they are used in the electrolytic compositions of the invention.
- suitable carbonate solvent mixtures there may be mentioned a mixture comprising ethylene carbonate, propylene carbonate and dimethyl carbonate.
- compositions comprising:
- n is an integer from 1 to 3.
- R and R ' are as defined above;
- At least one carbonate solvent More specifically:
- the -CF 3 groups may be located in the meta position
- the lithium complexes can be manufactured by reaction of a phenol compound comprising at least one trifluoromethyl group with an organolithium compound, in particular an alkyl lithium compound, such as n-butyllithium, this reaction being conventionally carried out in a medium comprising an ether compound. .
- reaction scheme By way of example, this reaction can be illustrated by the following reaction scheme:
- This reaction is conventionally carried out in an anhydrous medium and under an inert atmosphere for a relatively short reaction time, for example a reaction time of less than 3 hours.
- the reactivity of the alkyl lithium compounds with respect to the phenol derivative compounds as shown above allows a total conversion of the starting reagents.
- the starting reagents compounds derived from phenol and alkyllithium compound
- the purification treatment of the product obtained which can be summarized as a simple evaporation of substances volatile, such as butane (generated when n-butyllithium is used).
- the electrolytic compositions of the invention are advantageously intended to enter into the constitution of lithium batteries and, more specifically, lithium-ion batteries.
- the invention also relates to a lithium battery comprising at least one electrochemical cell comprising an electrolyte disposed between a positive electrode and a negative electrode, said electrolyte comprising an electrolytic composition as defined above.
- the aforementioned electrolyte can be led into the electrochemical cells of the lithium batteries to impregnate a separator, which is disposed between the positive electrode and the negative electrode of the electrochemical cell.
- This separator may be a porous material, such as a polymeric material, capable of accommodating in its porosity 1 'liquid electrolyte. More specifically, it can be a type of membrane
- positive electrode is meant, conventionally, in what precedes and what follows, the electrode which acts as a cathode, when the generator delivers current (that is to say when it is in the process of discharge) and which acts as anode when the generator is in charging process.
- negative electrode is meant, conventionally, in what precedes and what follows, the electrode which acts as anode, when the generator delivers current (that is to say when it is in the process of discharge ) and which acts cathode, when the generator is in process of charge.
- the negative electrode may be based on a lithiated oxide of titanium, such as Li 4 Ti 5 O 12, which constitutes the lithium insertion material, which oxide may be dispersed in a polymeric binder, for example a polyvinylidene fluoride binder.
- a lithiated oxide of titanium such as Li 4 Ti 5 O 12
- Li 4 Ti 5 O 12 which constitutes the lithium insertion material
- oxide may be dispersed in a polymeric binder, for example a polyvinylidene fluoride binder.
- the positive electrode for its part, may be based on a lithiated transition metal oxide (the metal may be, for example, nickel, manganese), more specifically LiMn 2 - z Ni z 0 4 (with 0 ⁇ z ⁇ 2), which oxide may be dispersed in a polymeric binder, for example a polyvinylidene fluoride binder.
- a lithiated transition metal oxide the metal may be, for example, nickel, manganese
- LiMn 2 - z Ni z 0 4 with 0 ⁇ z ⁇ 2
- each of them is advantageously associated with a metal current collector, for example, an aluminum current collector.
- the yield is greater than 95%.
- the yield is greater than 87%.
- the yield is greater than 87%.
- This example aims to determine the conductivity of compositions according to the invention comprising lithium complexes prepared according to the preceding examples.
- electrolyte 1, electrolyte 2 and electrolyte 3 a mixture of carbonate solvents composed of 20% by weight of ethylene carbonate, 20% by mass of propylene carbonate and 60% by weight of dimethyl carbonate is prepared beforehand. To this mixture is added 3 mmol of the complexes prepared according to Examples 1 to 3 above, whereby an electrolyte (respectively called electrolyte 1, electrolyte 2 and electrolyte 3) is obtained.
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
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1255317A FR2991681B1 (fr) | 2012-06-07 | 2012-06-07 | Complexe de coordination comprenant du lithium et au moins un ligand du type trifluoromethylphenate |
PCT/EP2013/061814 WO2013182684A1 (fr) | 2012-06-07 | 2013-06-07 | Composition electrolytique comprenant un complexe de coordination comprenant du lithium et au moins un ligand du type trifluoromethylphenate |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2858968A1 true EP2858968A1 (fr) | 2015-04-15 |
Family
ID=46963834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13727219.1A Withdrawn EP2858968A1 (fr) | 2012-06-07 | 2013-06-07 | Composition electrolytique comprenant un complexe de coordination comprenant du lithium et au moins un ligand du type trifluoromethylphenate |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150155600A1 (fr) |
EP (1) | EP2858968A1 (fr) |
FR (1) | FR2991681B1 (fr) |
WO (1) | WO2013182684A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6462153B1 (en) * | 1996-04-03 | 2002-10-08 | Occidental Chemical Corporation | Method of polymerizing vinyl chloride monomer |
CN100459273C (zh) * | 2003-07-15 | 2009-02-04 | 三星Sdi株式会社 | 用于锂二次电池的电解液和包括该电解液的锂二次电池 |
ES2388319T3 (es) * | 2007-02-02 | 2012-10-11 | Ube Industries, Ltd. | Compuesto de éster, y disolución de electrolito no acuosa y batería secundaria de litio cada una usando el compuesto de éster |
WO2009121940A1 (fr) * | 2008-04-03 | 2009-10-08 | Janssen Pharmaceutica Nv | Procédé de préparation de l'ester 2-acétylamino-éthylique de l'acide (-)-(4-chlorophényl)-(3-trifluorométhylphénoxy)-acétique |
-
2012
- 2012-06-07 FR FR1255317A patent/FR2991681B1/fr not_active Expired - Fee Related
-
2013
- 2013-06-07 WO PCT/EP2013/061814 patent/WO2013182684A1/fr active Application Filing
- 2013-06-07 US US14/405,375 patent/US20150155600A1/en not_active Abandoned
- 2013-06-07 EP EP13727219.1A patent/EP2858968A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
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See references of WO2013182684A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2991681A1 (fr) | 2013-12-13 |
FR2991681B1 (fr) | 2015-01-16 |
WO2013182684A1 (fr) | 2013-12-12 |
US20150155600A1 (en) | 2015-06-04 |
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