WO2013146819A1 - Batterie secondaire - Google Patents

Batterie secondaire Download PDF

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Publication number
WO2013146819A1
WO2013146819A1 PCT/JP2013/058865 JP2013058865W WO2013146819A1 WO 2013146819 A1 WO2013146819 A1 WO 2013146819A1 JP 2013058865 W JP2013058865 W JP 2013058865W WO 2013146819 A1 WO2013146819 A1 WO 2013146819A1
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WIPO (PCT)
Prior art keywords
compound
secondary battery
acid ester
negative electrode
lithium secondary
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PCT/JP2013/058865
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English (en)
Japanese (ja)
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信作 齊藤
井上　和彦
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日本電気株式会社
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Priority to JP2014507931A priority Critical patent/JP6086116B2/ja
Publication of WO2013146819A1 publication Critical patent/WO2013146819A1/fr

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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
    • 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
    • H01M10/056—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
    • 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 solution for a secondary battery and a secondary battery using the same.
  • Examples of means for obtaining a high energy density secondary battery include a method using a negative electrode material having a large capacity, a method using a non-aqueous electrolyte having excellent stability, and the like.
  • a carbonate-based solvent such as ethylene carbonate (EC) is preferably used.
  • EC ethylene carbonate
  • the electrolytic solution is decomposed at the negative electrode and the battery characteristics are deteriorated.
  • Patent Documents 1 and 2 disclose an electrolytic solution containing a disulfonic acid ester derivative as an additive in order to improve battery cycle characteristics, electric capacity, and the like.
  • the present invention relates to an electrolytic solution for a lithium secondary battery including a sulfonic acid ester compound and a compound having two or more unsaturated bonds at the terminal, and a secondary battery using the same.
  • a lithium secondary battery with improved cycle characteristics can be obtained.
  • FIG. 1 is an example of a schematic configuration diagram of a secondary battery using the nonaqueous electrolytic solution of the present invention.
  • the battery according to the present invention has a structure as shown in FIG.
  • the positive electrode is formed by forming a layer 1 containing a positive electrode active material on a positive electrode current collector 3.
  • the negative electrode is formed by forming a layer 2 containing a negative electrode active material on a negative electrode current collector 4. These positive electrode and negative electrode are arranged to face each other with a porous separator 5 interposed therebetween.
  • the porous separator 5 is disposed substantially parallel to the layer 2 containing the negative electrode active material.
  • the electrode element in which the positive electrode and the negative electrode are arranged to face each other, and the electrolytic solution are included in the exterior bodies 6 and 7.
  • the shape of the non-aqueous electrolyte secondary battery according to the present embodiment is not particularly limited, and examples thereof include a laminate exterior type, a cylindrical type, a square type, and a coin type.
  • the electrolyte solution in this embodiment contains a sulfonic acid ester compound and a compound having two or more unsaturated bonds at the ends as additives in the non-aqueous electrolyte solution.
  • the non-aqueous electrolyte is not particularly limited, and for example, a solution in which a lithium salt is dissolved in a non-aqueous solvent can be used.
  • lithium salt examples include LiPF 6 , lithium imide salt, LiAsF 6 , LiAlCl 4 , LiClO 4 , LiBF 4 , LiSbF 6, and the like.
  • At least one solvent selected from the group consisting of cyclic carbonates, chain carbonates, aliphatic carboxylic acid esters, ⁇ -lactones, cyclic ethers and chain ethers can be used.
  • the cyclic carbonate include propylene carbonate (PC), ethylene carbonate (EC), butylene carbonate (BC), and derivatives thereof (including fluorinated products).
  • the chain carbonate include dimethyl carbonate (DMC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC), dipropyl carbonate (DPC), and derivatives thereof (including fluorinated products).
  • Examples of the aliphatic carboxylic acid ester include methyl formate, methyl acetate, ethyl propionate, and derivatives thereof (including fluorinated products).
  • Examples of ⁇ -lactone include ⁇ -butyrolactone and its derivatives (including fluorinated products).
  • Examples of the cyclic ether include tetrahydrofuran, 2-methyltetrahydrofuran and derivatives thereof (including fluorinated products).
  • Examples of the chain ether include 1,2-diethoxyethane (DEE), ethoxymethoxyethane (EME), ethyl ether, diethyl ether, and derivatives thereof (including fluorinated compounds).
  • non-aqueous solvents include dimethyl sulfoxide, 1,3-dioxolane, formamide, acetamide, dimethylformamide, dioxolane, acetonitrile, propyl nitrile, nitromethane, ethyl monoglyme, phosphate triester, trimethoxymethane, Dioxolane derivatives, sulfolane, methyl sulfolane, 1,3-dimethyl-2-imidazolidinone, 3-methyl-2-oxazolidinone, 1,3-propane sultone, anisole, N-methylpyrrolidone, and derivatives thereof (fluorinated compounds) Can also be used. These may use only 1 type and may use 2 or more types together.
  • the concentration of the lithium salt in the nonaqueous electrolytic solution is preferably 0.7 mol / L or more and 1.5 mol / L or less.
  • concentration of the lithium salt By setting the concentration of the lithium salt to 0.7 mol / L or more, sufficient ionic conductivity can be obtained.
  • concentration of lithium salt 1.5 mol / L or less a viscosity can be made low and the movement of lithium ion is not prevented.
  • a sulfonic acid ester compound (hereinafter sometimes referred to as “compound A”) as an additive in the non-aqueous electrolyte and a compound having two or more unsaturated bonds at the terminals ( Hereinafter, it may be described as “compound B”).
  • compound A a sulfonic acid ester compound
  • compound B a compound having two or more unsaturated bonds at the terminal is not included unless otherwise specified.
  • the sulfonate compound (compound A) in the present embodiment has at least one —SO 2 —O— structure, and in one —SO 2 —O— structure, the S atom includes three O atoms, a carbon atom, And one O atom is bonded to an S atom and a carbon atom.
  • the sulfonic acid ester compound preferably includes one or more —SO 2 —O— structures and one or more alkyl groups and / or alkylene chains, and —SO 2 —O— structure, It is more preferable that the alkyl group and / or the carbon of the alkylene chain are directly bonded, and it is further more preferable that the —SO 2 —O— structure consists only of the alkyl group and / or the alkylene chain.
  • the alkyl group is present as a terminal group when the sulfonate compound is in a chain form.
  • the alkylene chain is present as a linking group between the sulfonate compound when it contains two or more —SO 2 —O— structures or when it is a cyclic structure.
  • the sulfonic acid ester compound may have a chain structure or a cyclic structure, but is preferably a cyclic structure because the reactivity on the negative electrode surface is improved.
  • the sulfonic acid ester compound may have one or more —SO 2 —O— structures, but having two or more is preferable because reactivity on the negative electrode surface is improved.
  • —SO 2 —O— A disulfonic acid ester compound having two structures is more preferable.
  • a cyclic disulfonic acid ester compound represented by the following formula (1) is preferable, and a compound in which R1 and R2 are methylene groups in the formula (1) is more preferable.
  • compound A may be used alone or in combination of two or more.
  • R 1 and R 2 are each independently an alkylene chain having 1 to 5 carbon atoms.
  • the compound (compound B) having two or more unsaturated bonds at the terminals in this embodiment includes two or more unsaturated bonds that are double bonds or triple bonds at the terminals of the molecule.
  • the unsaturated bond is preferably a carbon-carbon unsaturated bond.
  • a sulfonic acid ester compound having two or more unsaturated bonds at the terminal is preferable.
  • the sulfonic acid ester compound having two or more unsaturated bonds at the terminal in the present embodiment has two or more unsaturated bonds at the terminal, has at least one —SO 2 —O— structure, and one —SO 2 —.
  • S atoms are bonded to three O atoms and carbon atoms, and one O atom is bonded to S atoms and carbon atoms.
  • compound B preferably contains two or more unsaturated bonds, one or more —SO 2 —O— structures, and one or more alkyl groups and / or alkylene chains, More preferably, the 2 —O— structure and the alkyl group and / or carbon of the alkylene chain are directly bonded, and two or more unsaturated bonds, the —SO 2 —O— structure, the alkyl group and / or Or it is more preferable that it consists only of an alkylene chain.
  • the alkyl group is present as an end group when the compound B is a chain.
  • the sulfonic acid ester compound having two or more unsaturated bonds at the terminal may have one or more —SO 2 —O— structures, but preferably has two or more.
  • a disulfonic acid ester compound having two double bonds represented by the following formula (2) is preferable, and a bisallylmethanesulfonic acid ester in which R3 is a methylene group in the following formula is more preferable.
  • R3 is an alkylene chain having 1 to 5 carbon atoms.
  • Examples of compounds having two or more unsaturated bonds at the terminals other than the above include, for example, 1,3,5-triethynylbenzene represented by the following formula (3-1), represented by the formula (3-2) Tripropargylamine, triallyl isocyanurate (TAIC) represented by formula (3-3), triallyl cyanurate (TAC) represented by formula (3-4), and formula (3-5) And tetraallylpentaerythrulphonic acid ester, and trialkynylphosphonic acid ester represented by the formula (3-6).
  • Compound B may be used alone or in combination of two or more.
  • the electrolyte includes the sulfonic acid ester compound (Compound A) and the compound having two or more unsaturated bonds (Compound B) as additives.
  • compound A and compound B are used in combination, compound B can form a cross-linked structure by having two or more unsaturated bonds in the molecule, thereby further stabilizing the film that prevents the reduction reaction of the electrolyte formed by compound A.
  • the compound A and the compound B each preferably have a —SO 2 —O— structure, although not particularly limited.
  • the affinity between Compound A and Compound B is improved, so that adsorption to the negative electrode surface can be induced.
  • the crosslinked structure of the compound B and the film of the compound A form a uniform composite film, so that lithium ions can permeate the film uniformly, Smooth insertion and removal from the active material. This reduces the internal resistance and reduces the damage to the active material, thereby improving the battery life.
  • a disulfonic acid ester compound as the compound A and a sulfonic acid ester compound having two double bonds as the compound B, and the cyclic disulfonic acid ester represented by the above formula (1) It is more preferable to use the compound and a disulfonic acid ester compound having two double bonds at the terminal represented by the formula (2) in combination.
  • the total content of Compound A and Compound B is not particularly limited, but is preferably 0.01 mol / L or more and 0.2 mol / L or less, more preferably 0.03 mol / L or more and 0.2 mol / L or less in the electrolytic solution. Preferably, 0.1 mol / L is particularly preferable.
  • the mixing ratio of compound A and compound B is not particularly limited, but is preferably 1: 9 to 9: 1.
  • the electrolyte solution may contain other additives other than the compound A and the compound B as necessary.
  • additives include an overcharge inhibitor, a surfactant, and a gelling agent.
  • the negative electrode can be produced by forming a negative electrode active material layer containing a negative electrode active material and a negative electrode binder on a negative electrode current collector.
  • the negative electrode active material used for the layer 2 containing the negative electrode active material is selected from the group consisting of, for example, lithium metal, a lithium alloy, and a material capable of inserting and extracting lithium.
  • a material for inserting and extracting lithium ions a carbon material or an oxide can be used.
  • the carbon material graphite that absorbs lithium, amorphous carbon, diamond-like carbon, carbon nanotubes, or a composite oxide thereof can be used.
  • graphite material or amorphous carbon is particularly preferable.
  • the graphite material has high electron conductivity, excellent adhesion to a current collector made of a metal such as copper, and voltage flatness, and is formed at a high processing temperature, so it contains few impurities and has negative electrode performance. It is advantageous for improvement and is preferable.
  • the oxide any of silicon oxide, tin oxide, indium oxide, zinc oxide, lithium oxide, phosphorus oxide (phosphoric acid), boric oxide (boric acid), or a composite thereof may be used.
  • the structure is preferably in an amorphous state. This is because silicon oxide is stable and does not cause a reaction with other compounds, and the amorphous structure does not lead to deterioration due to nonuniformity such as crystal grain boundaries and defects.
  • the lithium alloy is composed of lithium and a metal capable of forming an alloy with lithium.
  • a metal capable of forming an alloy with lithium is composed of a binary or ternary alloy of a metal such as Al, Si, Pb, Sn, In, Bi, Ag, Ba, Ca, Hg, Pd, Pt, Te, Zn, La, and lithium.
  • a binary or ternary alloy of a metal such as Al, Si, Pb, Sn, In, Bi, Ag, Ba, Ca, Hg, Pd, Pt, Te, Zn, La, and lithium.
  • an amorphous one is particularly preferable. This is because the amorphous structure hardly causes deterioration due to non-uniformity such as crystal grain boundaries and defects.
  • Lithium metal or lithium alloy is formed by an appropriate method such as a melt cooling method, a liquid quenching method, an atomizing method, a vacuum deposition method, a sputtering method, a plasma CVD method, a photo CVD method, a thermal CVD method, a sol-gel method, etc. Can do.
  • binder for the negative electrode examples include polyvinylidene fluoride, vinylidene fluoride-hexafluoropropylene copolymer, vinylidene fluoride-tetrafluoroethylene copolymer, styrene-butadiene copolymer rubber, polytetrafluoroethylene, polypropylene, polyethylene, Polyimide, polyamideimide, or the like can be used.
  • the amount of the binder for the negative electrode used is 0.5 to 25 parts by mass with respect to 100 parts by mass of the negative electrode active material from the viewpoints of “sufficient binding force” and “high energy” which are in a trade-off relationship. Is preferred.
  • the negative electrode current collector aluminum, nickel, copper, silver, and alloys thereof are preferable in view of electrochemical stability.
  • Examples of the shape include foil, flat plate, and mesh.
  • the negative electrode can be produced by forming a negative electrode active material layer containing a negative electrode active material and a negative electrode binder on a negative electrode current collector.
  • Examples of the method for forming the negative electrode active material layer include a doctor blade method, a die coater method, a CVD method, and a sputtering method.
  • a thin film of aluminum, nickel, copper, silver, or an alloy thereof may be formed by a method such as vapor deposition or sputtering to form a negative electrode current collector.
  • a complex composed of a transition metal cation and an imide anion may be present at the interface with the non-aqueous electrolyte.
  • the negative electrode is preferable because it is excellent in flexibility with respect to volume change of the metal and alloy phases, uniformity of ion distribution, and physical and chemical stability. As a result, dendrite formation and lithium atomization can be effectively prevented, and cycle efficiency and life are improved. Further, when a carbon material or an oxide material is used as the negative electrode, dangling bonds existing on the surface have high chemical activity, and the solvent is easily decomposed.
  • lithium fluoride which is a reaction product of lithium on the negative electrode surface and imide anion adsorbed on the negative electrode surface, has a function of repairing the film. Even after the film is destroyed, it has the effect of leading to the formation of a stable surface compound.
  • examples of the positive electrode active material used for the layer 1 containing the positive electrode active material include lithium-containing composite oxides such as LiCoO 2 , LiNiO 2 , and LiMn 2 O 4 .
  • the transition metal portion of these lithium-containing composite oxides may be replaced with another element.
  • a lithium-containing composite oxide having a plateau at 4.2 V or higher at the metal lithium counter electrode potential can be used.
  • examples of the lithium-containing composite oxide include spinel-type lithium manganese composite oxide, olivine-type lithium-containing composite oxide, and reverse spinel-type lithium-containing composite oxide.
  • the lithium-containing composite oxide can be, for example, a compound represented by the following formula (4).
  • Li a (M x Mn 2-x ) O 4 (4) (In Formula (4), 0 ⁇ x ⁇ 2 and 0 ⁇ a ⁇ 1.2.
  • M is at least selected from the group consisting of Ni, Co, Fe, Cr, and Cu) It is a kind.
  • these active materials are dispersed and kneaded in a solvent such as N-methyl-2-pyrrolidone (NMP) together with a conductive material such as carbon black and a binder such as polyvinylidene fluoride (PVDF).
  • NMP N-methyl-2-pyrrolidone
  • PVDF polyvinylidene fluoride
  • the non-aqueous electrolyte secondary battery of FIG. 1 has a negative electrode and a positive electrode laminated via a porous separator 5 in a dry air or inert gas atmosphere. It accommodates in exterior bodies, such as a flexible film which consists of a laminated body of resin and metal foil, and is impregnated with the nonaqueous electrolyte solution containing the said compound A and compound B as an additive. And after sealing or sealing an exterior body, a favorable membrane
  • porous films such as polyolefin, such as a polypropylene and polyethylene, a fluororesin
  • the exterior body can be appropriately selected as long as it is stable to the electrolytic solution and has a sufficient water vapor barrier property.
  • a laminated laminate type secondary battery a laminate film made of aluminum, silica-coated polypropylene, polyethylene, or the like can be used as the outer package.
  • an aluminum laminate film from the viewpoint of suppressing volume expansion.
  • Example 1 (Production of battery) The production of the battery of this example will be described.
  • An aluminum foil having a thickness of 20 ⁇ m was used as the positive electrode current collector, and LiMn 2 O 4 was used as the positive electrode active material.
  • a 10 ⁇ m thick copper foil was used as the negative electrode current collector, and graphite was used as the negative electrode active material on the copper foil.
  • the negative electrode and the positive electrode were laminated
  • sulfonic acid ester compound 0.025 mol / L of a cyclic disulfonic acid ester (hereinafter referred to as “compound A1”) represented by the formula (1) and each of R1 and R2 is a methylene group, and two or more at the terminal 0.075 mol / L of a bisallylmethanesulfonic acid ester (hereinafter referred to as “compound B1”) represented by the formula (2) and having R3 as a methylene group is added as a compound having an unsaturated bond of It was set to 0.1 mol / L.
  • a non-aqueous secondary battery was produced using the non-aqueous electrolyte to which these additives were added, and a charge / discharge cycle test was performed 500 cycles.
  • the temperature of the thermostatic chamber is set to 55 ° C., and the charge / discharge conditions are CCCV charge rate 1.0C, CC discharge rate 1.0C, charge end voltage 4.2V, and discharge end voltage 3.0V.
  • Discharge 500 cycles were performed.
  • the ratio of the discharge capacity after 500 cycles to the initial discharge capacity was calculated as the capacity retention rate (%).
  • Table 1 shows the results of the discharge capacity after 500 cycles and the capacity retention rate.
  • Example 2 As additives used in the non-aqueous electrolyte, 0.05 mol / L of compound A1, 0.05 mol / L of compound B1 were added, and the total mixed concentration was changed to 0.1 mol / L. A secondary battery was prepared and a charge / discharge cycle test was performed 500 cycles. The results are shown in Table 1.
  • Example 3 As additives used in the non-aqueous electrolyte, 0.075 mol / L of compound A1 and 0.025 mol / L of compound B1 were added, and the total mixed concentration was changed to 0.1 mol / L. A secondary battery was prepared and a charge / discharge cycle test was performed 500 cycles. The results are shown in Table 1.
  • Example 4 As additives used in the nonaqueous electrolyte, 0.025 mol / L of compound A1, 0.025 mol / L of compound B1 were added, and the total mixed concentration was 0.05 mol / L. A secondary battery was prepared and a charge / discharge cycle test was performed 500 cycles. The results are shown in Table 1.
  • Example 5 As additives used in the non-aqueous electrolyte, 0.1 mol / L of compound A1, 0.1 mol / L of compound B1 were added, and the total mixed concentration was changed to 0.2 mol / L. A secondary battery was prepared and a charge / discharge cycle test was performed 500 cycles. The results are shown in Table 1.
  • Example 1 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was not added and Compound B1 was added in an amount of 0.025 mol / L as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 2 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was not added and Compound B1 was added in an amount of 0.05 mol / L as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 3 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was not added and Compound B1 was added in an amount of 0.1 mol / L as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 4 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was not added and Compound B1 was added in an amount of 0.15 mol / L as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 5 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was not added and Compound B1 was added in an amount of 0.2 mol / L as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1. In this comparative example, the electrolyte solution viscosity was increased by containing Compound B1 at a high concentration, and the amount of gas generation increased, making measurement impossible.
  • Example 6 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 was added at 0.025 mol / L and Compound B1 was not added as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 7 A secondary battery was prepared in the same manner as in Example 1 except that 0.05 mol / L of compound A1 was added and no compound B1 was added as an additive used in the non-aqueous electrolyte, and the charge / discharge cycle test was performed 500 cycles. It was. The results are shown in Table 1.
  • Example 10 A secondary battery was prepared in the same manner as in Example 1 except that Compound A1 and Compound B1 were not added as additives used in the nonaqueous electrolytic solution, and a charge / discharge cycle test was performed 500 cycles. The results are shown in Table 1.

Abstract

La présente invention concerne : une solution d'électrolyte pour batteries secondaires au lithium, qui contient un composé d'ester d'acide sulfonique et un composé qui a deux liaisons insaturées à ses extrémités ou plus ; et une batterie secondaire au lithium qui utilise la solution d'électrolyte pour batteries secondaires au lithium.
PCT/JP2013/058865 2012-03-29 2013-03-26 Batterie secondaire WO2013146819A1 (fr)

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JP2012-078143 2012-03-29

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2019189670A1 (fr) 2018-03-29 2019-10-03 三菱ケミカル株式会社 Solution électrolytique non aqueuse et batterie à électrolyte non aqueux

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JP2010501982A (ja) * 2006-08-25 2010-01-21 エルジー・ケム・リミテッド 非水電解液及びこれを用いた二次電池
WO2011096572A1 (fr) * 2010-02-08 2011-08-11 Ｎｅｃエナジーデバイス株式会社 Batterie secondaire à électrolyte non aqueux
WO2012017999A1 (fr) * 2010-08-05 2012-02-09 和光純薬工業株式会社 Solution d'électrolyte non aqueux et accumulateur à électrolyte non aqueux utilisant celle-ci

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007328992A (ja) * 2006-06-07 2007-12-20 Nec Tokin Corp 非水電解液およびそれを用いた非水電解液二次電池
JP2010501982A (ja) * 2006-08-25 2010-01-21 エルジー・ケム・リミテッド 非水電解液及びこれを用いた二次電池
WO2011096572A1 (fr) * 2010-02-08 2011-08-11 Ｎｅｃエナジーデバイス株式会社 Batterie secondaire à électrolyte non aqueux
WO2012017999A1 (fr) * 2010-08-05 2012-02-09 和光純薬工業株式会社 Solution d'électrolyte non aqueux et accumulateur à électrolyte non aqueux utilisant celle-ci

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019189670A1 (fr) 2018-03-29 2019-10-03 三菱ケミカル株式会社 Solution électrolytique non aqueuse et batterie à électrolyte non aqueux
KR20200133785A (ko) 2018-03-29 2020-11-30 미쯔비시 케미컬 주식회사 비수계 전해액 및 비수계 전해액 전지
JPWO2019189670A1 (ja) * 2018-03-29 2021-04-01 三菱ケミカル株式会社 非水系電解液及び非水系電解液電池
JP7231615B2 (ja) 2018-03-29 2023-03-01 三菱ケミカル株式会社 非水系電解液及び非水系電解液電池

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