WO2016208738A1 - Additif pour solution électrolytique non aqueuse, son procédé de fabrication, solution électrolytique non aqueuse, et pile rechargeable à électrolyte non aqueux - Google Patents

Additif pour solution électrolytique non aqueuse, son procédé de fabrication, solution électrolytique non aqueuse, et pile rechargeable à électrolyte non aqueux Download PDF

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WO2016208738A1
WO2016208738A1 PCT/JP2016/068879 JP2016068879W WO2016208738A1 WO 2016208738 A1 WO2016208738 A1 WO 2016208738A1 JP 2016068879 W JP2016068879 W JP 2016068879W WO 2016208738 A1 WO2016208738 A1 WO 2016208738A1
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group
aqueous electrolyte
electrolyte solution
general formula
additive
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PCT/JP2016/068879
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English (en)
Japanese (ja)
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沙央梨 板橋
渉 河端
鈴木　克俊
武田　一成
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セントラル硝子株式会社
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
    • 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
    • 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
    • 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

  • an electrolysis for a secondary battery including at least an aprotic solvent and a cyclic disulfonic acid ester.
  • concentration of the cyclic disulfonic acid ester in the electrolytic solution is 0.1% by mass or more and 5.0% by mass or less, and the ratio of chlorine in the electrolytic solution is less than 150 ppm on a mass basis.
  • a characteristic electrolyte solution for a secondary battery is disclosed, and as the cyclic disulfonate, for example, methylenemethane disulfonate or ethylenemethane disulfonate is disclosed.
  • the additive for a non-aqueous electrolyte solution is preferably a compound in which at least one of Z 1 and Z 2 in the general formula (1) is a —CH 2 CF 3 group.
  • the present invention also provides An alkanedisulfonic acid represented by the following general formula (3); An aldehyde and / or a ketone represented by the following general formula (4); A method for synthesizing an additive for a non-aqueous electrolyte represented by the above general formula (1), characterized by reacting a dehydrating agent.
  • X represents (—CH 2 —) m , —CH (CH 3 ) —, —C (CH 3 ) 2 —, —CF 2 —, —C (CF 3 ) 2 —, and — A group selected from the group consisting of C (C 6 H 5 ) 2 —, and m is 1, 2, or 3;
  • Z 1 and Z 2 each independently, a hydrogen atom, -CF 3 group, and a group selected from the group consisting of -CH 2 CF 3 group, either Z 1 and Z 2 is Is not a hydrogen atom, and when it is a —CF 3 group, both Z 1 and Z 2 are —CF 3 groups.
  • the aldehyde and / or ketone represented by the general formula (4) is preferably a gas at normal temperature and pressure.
  • the present invention also provides A first reaction step of obtaining a trioxane compound represented by the following general formula (5) by reacting an aldehyde and / or ketone represented by the following general formula (4) with a dehydrating agent; A second reaction step in which an alkanedisulfonic acid represented by the following general formula (3) is added and reacted after the first reaction step; It is a synthesis
  • X represents (—CH 2 —) m , —CH (CH 3 ) —, —C (CH 3 ) 2 —, —CF 2 —, —C (CF 3 ) 2 —, and — A group selected from the group consisting of C (C 6 H 5 ) 2 —, and m is 1, 2, or 3;
  • Z 1 and Z 2 each independently, a hydrogen atom, -CF 3 group, and a group selected from the group consisting of -CH 2 CF 3 group, either Z 1 and Z 2 is Is not a hydrogen atom, and when it is a —CF 3 group, both Z 1 and Z 2 are —CF 3 groups.
  • Z 1 and Z 2 each independently, a hydrogen atom, -CF 3 group, and a group selected from the group consisting of -CH 2 CF 3 group, either Z 1 and Z 2 is Is not a hydrogen atom, and when it is a —CF 3 group, both Z 1 and Z 2 are —CF 3 groups.
  • a cyclic sulfate-based additive for a non-aqueous electrolyte in which decomposition in the non-aqueous electrolyte is suppressed during long-term storage of the non-aqueous electrolyte, a method for producing the same, and a non-containing electrolyte containing the additive An aqueous electrolyte and a non-aqueous electrolyte secondary battery using the same can be provided.
  • the compound represented by the general formula (1) reacts the alkanedisulfonic acid represented by the general formula (3), the aldehyde and / or ketone represented by the general formula (4), and a dehydrating agent. Can be synthesized. Hereinafter, it is referred to as “first synthesis method”.
  • first synthesis method When the aldehyde and / or ketone represented by the general formula (4) is a gas at normal temperature and pressure, it is suitable to perform the above synthesis method using a pressure vessel such as an autoclave.
  • the synthesis method can also be applied when the aldehyde and / or ketone represented by the general formula (4) is liquid or solid at normal temperature and pressure.
  • the first synthesis method when the aldehyde and / or ketone represented by the general formula (4) is a gas at normal temperature and pressure, the yield is higher than when it is liquid or solid at normal temperature and pressure. This is preferable.
  • the compound represented by General formula (1) is represented by the said General formula (5) by making the aldehyde and / or ketone represented by the said General formula (4) react, and a dehydrating agent.
  • the trioxane compound can be synthesized through a first reaction step, and a second reaction step in which the alkanedisulfonic acid represented by the general formula (3) is added and reacted after the first reaction step.
  • second synthesis method When the aldehyde and / or ketone represented by the general formula (4) is liquid or solid at normal temperature and pressure, it is suitable to perform the above synthesis method.
  • the synthesis method is a synthesis method that does not require a special reaction vessel such as an autoclave.
  • the synthesis method can also be applied when the aldehyde and / or ketone represented by the general formula (4) is a gas at normal temperature and pressure.
  • alkanedisulfonic acid represented by the general formula (3) examples include methanedisulfonic acid, ethanedisulfonic acid, propanedisulfonic acid, 1,1-ethanedisulfonic acid, 2,2-dimethylmethanedisulfonic acid, difluoromethane.
  • examples include disulfonic acid, 1,1,1,3,3,3-hexafluoropropane disulfonic acid, diphenylmethane disulfonic acid, and the like.
  • dehydrating agent examples include diphosphorus pentoxide, phosphorus pentachloride, phosphorus oxychloride, thionyl chloride, acetyl chloride, and acetic anhydride. These dehydrating agents may be used alone or in combination of two or more.
  • the charging ratio of alkanedisulfonic acid is preferably 0.90 mole equivalent or more and 1.10 mole equivalent or less with respect to aldehyde and / or ketone, and 0.95 mole equivalent or more and 1.05 mole from the viewpoint of yield. More preferably, it is less than or equal to the molar equivalent.
  • the charge ratio of the dehydrating agent is preferably 0.30 mole equivalent or more and 1.00 mole equivalent or less with respect to the alkanedisulfonic acid, and 0.40 mole equivalent or more and 0.70 mole equivalent from the viewpoint of yield. The following is more preferable.
  • the aldehyde and / or ketone When the aldehyde and / or ketone is solid or liquid, it is preferable from the viewpoint of yield that the aldehyde and / or ketone are charged in the reactor and then charged in the order of alkanedisulfonic acid and dehydrating agent.
  • the aldehyde and / or ketone is a gas, it is preferable to charge the alkanedisulfonic acid and the dehydrating agent into the reactor first. Either alkanedisulfonic acid or the dehydrating agent may be charged first.
  • the reaction temperature is usually preferably 60 ° C. or higher and 150 ° C. or lower, and particularly preferably 80 ° C. or higher and 130 ° C. or lower from the viewpoint of yield.
  • the aldehyde and / or ketone may be charged after the dehydrating agent is charged into the reactor, but the dehydrating agent is added after the aldehyde and / or ketone is charged into the reactor. It is preferable to prepare from the viewpoint of yield. When the aldehyde and / or ketone is gaseous, it is preferable to charge the dehydrating agent into the reactor first.
  • the charging ratio of alkanedisulfonic acid is preferably 0.90 mol equivalent or more and 1.10 mol equivalent or less with respect to the aldehyde and / or ketone charged in the first reaction step, and 0.95 mol from the viewpoint of yield. More preferably, it is equal to or greater than 1.05 mole equivalent.
  • the reaction temperature in the second reaction step is usually preferably 60 ° C. or higher and 150 ° C. or lower, and particularly preferably 80 ° C. or higher and 130 ° C. or lower from the viewpoint of yield.
  • a solid of the compound represented by the general formula (1), which is the target product is obtained.
  • the recrystallization heating temperature is preferably near the boiling point of the organic solvent used. From the viewpoint of yield, use of methylene chloride is preferred.
  • Nonaqueous Electrolytic Solution is generally called a nonaqueous electrolytic solution when a nonaqueous solvent is used, and is called a polymer solid electrolyte when a polymer is used.
  • the polymer solid electrolyte includes those containing a non-aqueous solvent as a plasticizer. It should be noted that this non-aqueous electrolyte, an anode material capable of reversibly inserting and desorbing alkali metal ions such as lithium ions and sodium ions, or alkaline earth metal ions, lithium ions and sodium ions, etc.
  • An electrochemical device using a positive electrode material into which alkali metal ions or alkaline earth metal ions that can be reversibly inserted and removed is called a non-aqueous electrolyte secondary battery.
  • the solute is not particularly limited, and a salt composed of an arbitrary cation and anion pair can be used.
  • a salt composed of an arbitrary cation and anion pair can be used.
  • Specific examples include alkali metal ions such as lithium ions and sodium ions, alkaline earth metal ions, quaternary alkylammonium ions, etc. as cations.
  • Examples of anions include hexafluorophosphoric acid, tetrafluoroboric acid, peroxides.
  • solutes may be used alone, or two or more kinds of solutes may be mixed and used in any combination and ratio according to the application.
  • the cation is preferably lithium, sodium, magnesium, quaternary alkyl ammonium, and the anion is hexafluorophosphoric acid, tetrafluoroboric acid, Bis (trifluoromethanesulfonyl) imide, bis (fluorosulfonyl) imide, and bis (difluorophosphonyl) imide are preferred.
  • the polymer used for obtaining the polymer solid electrolyte containing the compound represented by the general formula (1) is not particularly limited as long as it is an aprotic polymer capable of dissolving the compound or solute.
  • examples thereof include a polymer having polyethylene oxide in the main chain or side chain, a homopolymer or copolymer of polyvinylidene fluoride, a methacrylic acid ester polymer, polyacrylonitrile and the like.
  • a plasticizer is added to these polymers, the above-mentioned aprotic non-aqueous solvents can be used.
  • the solute concentration of the present invention in the non-aqueous electrolyte solution or the polymer solid electrolyte is not particularly limited, but the lower limit is 0.5 mol / L or more, preferably 0.7 mol / L or more, more preferably 0.9 mol / L.
  • the upper limit is 5.0 mol / L or less, preferably 4.0 mol / L or less, and more preferably 2.0 mol / L or less.
  • the concentration exceeds 5.0 mol / L, the viscosity of the non-aqueous electrolyte is decreased.
  • the ionic conduction may be lowered, and the cycle characteristics and output characteristics of the non-aqueous electrolyte secondary battery may be degraded.
  • additives generally used in the non-aqueous electrolyte solution of the present invention may be added at an arbitrary ratio.
  • Specific examples include cyclohexylbenzene, biphenyl, tert-butylbenzene, vinylene carbonate, vinylethylene carbonate, ethynylethylene carbonate, tert-amylbenzene, biphenyl, o-terphenyl, 4-fluorobiphenyl, fluorobenzene, 2,4- Overcharge prevention effect of difluorobenzene, difluoroanisole, fluoroethylene carbonate, propane sultone, 1,3-propene sultone, dimethyl vinylene carbonate, methylene methane disulfonate, dimethylene methane disulfonate, trimethylene methane disulfonate, negative electrode film formation
  • the compound which has an effect and a positive electrode protective effect is mentioned.
  • non-aqueous electrolyte by quasi-solidifying it with a gelling agent or a cross-linked polymer as in the case of use in a non-aqueous electrolyte secondary battery called a polymer battery.
  • the content of the compound represented by the general formula (1) in the non-aqueous electrolyte solution is set to 0. 0 relative to the total amount of the non-aqueous solvent, the solute, and the compound represented by the general formula (1). It is preferably 2 to 5.0% by mass. If it is less than 0.2% by mass, the effect of improving durability such as cycle characteristics tends to be difficult to obtain. On the other hand, if it exceeds 5.0% by mass, the effect of improving durability such as cycle characteristics of the non-aqueous electrolyte secondary battery tends to be difficult to obtain.
  • the content is more preferably 0.3 to 3.0% by mass, and particularly preferably 0.5 to 2.0% by mass.
  • Non-aqueous electrolyte secondary battery of the present invention is characterized by using the non-aqueous electrolyte solution of the present invention, and other components are general non-aqueous electrolyte secondary batteries. Examples include positive and negative electrodes, separators, containers and the like used in the above.
  • the negative electrode material is lithium metal, alloys of lithium and other metals and intermetallic compounds and various carbon materials capable of inserting and extracting lithium, Si, One or more metal oxides selected from Sn, Al, one or more metals selected from Si, Sn, Al, alloys containing these metals, alloys of these metals or alloys with lithium, lithium titanium oxides, Metal nitride, activated carbon, conductive polymer, etc. are used.
  • the carbon material include amorphous carbon (for example, non-graphitizable carbon (also called hard carbon) and coke) whose (002) plane spacing exceeds 0.34 nm, and (002) plane spacing.
  • Is 0.34 nm or less and the latter is artificial graphite, natural graphite, or the like.
  • one or more metals selected from Si, Sn, and Al, alloys containing these metals, or alloys of these metals or alloys and lithium include metals such as silicon, tin, and aluminum, silicon alloys, tin alloys, and aluminum alloys. A material in which these metals and alloys are alloyed with lithium along with charge and discharge can also be used.
  • the lithium titanium oxide include lithium titanate having a spinel structure and lithium titanate having a ramsdellite structure.
  • the positive electrode material when the cation in the non-aqueous electrolyte solution is lithium, contains at least one metal of nickel, manganese, cobalt such as LiCoO 2 , LiNiO 2 , LiMnO 2, etc., and has a layered structure Metal composite oxides, lithium-containing transition metal composite oxides such as LiNi 0.8 Co 0.2 O 2, etc., a mixture of a plurality of transition metals such as Co, Mn, Ni, LiNi 0.85 Co 0.10 Al 0.05 O 2, etc.
  • an electrochemical device having a shape such as a coin shape, a cylindrical shape, a square shape, or an aluminum laminate sheet shape is assembled.
  • Non-Aqueous Electrolyte Solution The compound obtained in Synthesis Examples 1 to 16 (formula (2) and formula (I-1)) as the compound represented by the general formula (1) was added to the reference non-aqueous electrolyte solution 1 above. To (I-15)), and the content of the compound in the non-aqueous electrolyte is 5.0 mass% based on the total amount of the non-aqueous solvent, the solute, and the compound.
  • Non-aqueous electrolyte solutions No. 1-1 to 1-16 were respectively prepared. In addition, preparation of all said non-aqueous electrolyte solution was implemented, maintaining liquid temperature at 30 degrees C or less.
  • Comparative nonaqueous electrolytic solution 1-1 was prepared so that the content of MMDS in the electrolytic solution was 5.0% by mass with respect to the total amount of nonaqueous solvent, solute, and MMDS.
  • a comparative non-aqueous electrolyte solution 1-2 to which the compound represented by the general formula (1) was not added was prepared.
  • the degree of coloring of the non-aqueous electrolyte solution after the storage test was lighter in Examples 1-1 to 1-16 than in Comparative Example 1-1. Furthermore, in Comparative Example 1-1, a white solid was precipitated in the non-aqueous electrolyte after the storage test, whereas no precipitation was confirmed in Examples 1-1 to 1-16. In Comparative Example 1-1, MMDS contained in 5.00% by mass in the non-aqueous electrolyte before the storage test was reduced to 4.07% by mass after the storage test. In Examples 1-1 to 1-16, the decrease amount of each compound by the storage test was slight.
  • Non-aqueous electrolyte solution No. 1 was adjusted so that the content of the compound was 1.5% by mass based on the total amount of the non-aqueous solvent, the solute, and the compound.
  • Each of 2-1 to 2-10 was prepared. In addition, said preparation was implemented maintaining the liquid temperature at 30 degrees C or less as shown in Table 2.
  • NMC positive electrode LiNi 1/3 Mn 1/3 Co 1/3 O 2 (hereinafter referred to as NMC) powder and acetylene black (conductive agent) are dry-mixed, and the binder, polyvinylidene fluoride (hereinafter referred to as the binder)
  • NMC mixture paste was prepared by uniformly dispersing and mixing in N-methyl-2-pyrrolidone (hereinafter referred to as NMP) previously dissolved, and adding NMP for viscosity adjustment. This paste was applied on an aluminum foil (current collector), dried and pressurized, and then a test NMC positive electrode processed into a predetermined size was obtained.
  • NMP N-methyl-2-pyrrolidone
  • non-aqueous electrolyte secondary battery (Preparation of non-aqueous electrolyte secondary battery)
  • the non-aqueous electrolyte solution No. 1 described in Table 2 was added to an aluminum laminate exterior cell (capacity 30 mAh) comprising the above test NMC positive electrode, test graphite negative electrode, and cellulose separator.
  • 2-1 to 2-10 and comparative non-aqueous electrolyte No. 2-1 and 2-2 were impregnated, respectively, to obtain non-aqueous electrolyte secondary batteries according to Examples 2-1 to 2-10 and Comparative Examples 2-1 and 2-2.
  • charging / discharging cycle is performed three times by charging at a constant current / constant voltage at a charging upper limit voltage of 4.3V and a 0.2C rate (6 mA) and discharging at a constant current of 0.2C (6 mA) to a discharge end voltage of 3.0V. Repeated.
  • the capacity obtained at this time was defined as the initial discharge capacity (25 ° C.).
  • a charge / discharge test was conducted at an ambient temperature of 60 ° C. Charging is performed at a constant current / constant voltage charging at a 3C rate (90 mA) up to a charging upper limit voltage of 4.3V, and discharging is performed at a charging / discharging cycle in which discharging is performed at a 3C rate (90 mA) constant current up to a discharge end voltage of 3.0V. Repeated 300 times.
  • Capacity retention ratio after long-term cycle at 60 ° C. (%) (discharge capacity after long-term cycle at 60 ° C. (25 ° C.) / Initial discharge capacity (25 ° C.)) ⁇ 100
  • the capacity retention rate after 60 ° C. long-term cycle of the non-aqueous electrolyte secondary batteries according to Examples 2-1 to 2-10 and Comparative Examples 2-1 and 2-2 is related to Comparative Example 2-2. It shows in Table 3 as a relative value when the capacity
  • Example 2-1 to 2-10 the capacity retention ratio after 60 ° C. long-term cycle and the 5C rate characteristics after 60 ° C. long-term cycle were better than those of Comparative Example 2-1.
  • the compound represented by the general formula (1) having an electron-withdrawing group selected from the group consisting of —CF 3 group and —CH 2 CF 3 group is chemically different from MMDS conventionally used as an additive. It is presumed that since the stability is high, the compound is effectively acting in the non-aqueous electrolyte secondary battery system.
  • a charge / discharge test was conducted at an ambient temperature of 60 ° C. Charging is performed at a constant current / constant voltage charging at a 3C rate (90 mA) up to a charging upper limit voltage of 4.2V, and discharging is performed at a charging / discharging cycle in which discharging is performed at a 3C rate (90 mA) constant current up to a discharge end voltage of 2.7V. Repeated 300 times.
  • the capacity retention rate after 60 ° C. long-term cycle of the non-aqueous electrolyte secondary batteries according to Examples 3-1 to 3-10 and Comparative Examples 3-1 to 3-6 is related to Comparative Example 3-6. It shows in Table 5 as a relative value when the capacity

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Abstract

L'invention concerne un additif du type ester de sulfate cyclique qui est destiné à une solution électrolytique non aqueuse, et dont la décomposition dans la solution électrolytique non aqueuse peut être supprimée au cours du stockage à long terme de la solution électrolytique non aqueuse. L'invention concerne également un procédé de fabrication de l'additif pour solution électrolytique non aqueuse, une solution électrolytique non aqueuse comprenant l'additif, et une pile rechargeable à électrolyte non aqueux utilisant la solution électrolytique non aqueuse. L'additif pour solution électrolytique non aqueuse est représenté par la formule générale (1). [Dans la formule (1), X est un élément choisi dans le groupe constitué par (-CH2-)m, -CH(CH3)-, -C(CH3)2-, -CF2-, -C(CF3)2- et -C(C6H5)2-, et m est un nombre parmi 1, 2 et 3; Z1 et Z2 représentent chacun indépendamment un élément choisi dans le groupe constitué par un atome d'hydrogène, un groupe -CF3 et un groupe -CH2CF3, Z1 et Z2 ne peuvent pas être tous les deux un atome d'hydrogène, et si l'un de Z1 et Z2 est un groupe -CF3, alors Z1 et Z2 sont tous les deux un groupe -CF3.]
PCT/JP2016/068879 2015-06-26 2016-06-24 Additif pour solution électrolytique non aqueuse, son procédé de fabrication, solution électrolytique non aqueuse, et pile rechargeable à électrolyte non aqueux WO2016208738A1 (fr)

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JP2015129191A JP2017016752A (ja) 2015-06-26 2015-06-26 非水系電解液用添加剤及びその製法、非水系電解液、非水系電解液二次電池
JP2015-129191 2015-06-26

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CN109818060A (zh) * 2019-01-31 2019-05-28 珠海光宇电池有限公司 非水电解液及含有该非水电解液的锂离子电池
CN115249840A (zh) * 2022-08-31 2022-10-28 远景动力技术(江苏)有限公司 一种电解液、电化学装置和电子装置

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KR102553591B1 (ko) * 2017-06-12 2023-07-11 삼성전자주식회사 포스페이트계 첨가제를 포함하는 리튬이차전지
CN110692160A (zh) * 2018-03-29 2020-01-14 三菱化学株式会社 非水电解液及非水电解质电池

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JP2012094454A (ja) * 2010-10-28 2012-05-17 Mitsubishi Chemicals Corp 非水系電解液およびそれを用いた非水系電解液二次電池
WO2015064712A1 (fr) * 2013-10-30 2015-05-07 住友精化株式会社 Procédé de préparation d'un composé d'acide méthylène-disulfonique
JP2016027028A (ja) * 2014-07-02 2016-02-18 セントラル硝子株式会社 イオン性錯体、非水電解液電池用電解液、非水電解液電池及びイオン性錯体の合成法

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CN109818060A (zh) * 2019-01-31 2019-05-28 珠海光宇电池有限公司 非水电解液及含有该非水电解液的锂离子电池
CN115249840A (zh) * 2022-08-31 2022-10-28 远景动力技术(江苏)有限公司 一种电解液、电化学装置和电子装置

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