WO2021176920A1 - Solution électrolytique pour dispositif de stockage d'énergie, et liquide ionique - Google Patents

Solution électrolytique pour dispositif de stockage d'énergie, et liquide ionique Download PDF

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WO2021176920A1
WO2021176920A1 PCT/JP2021/003619 JP2021003619W WO2021176920A1 WO 2021176920 A1 WO2021176920 A1 WO 2021176920A1 JP 2021003619 W JP2021003619 W JP 2021003619W WO 2021176920 A1 WO2021176920 A1 WO 2021176920A1
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storage device
ionic liquid
power storage
electrolytic solution
formula
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PCT/JP2021/003619
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Japanese (ja)
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増田　現
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日清紡ホールディングス株式会社
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/54—Electrolytes
    • H01G11/58—Liquid electrolytes
    • H01G11/62—Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
    • 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
    • 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 power storage device and an ionic liquid, and more specifically, to an electrolytic solution for a power storage device containing an ionic liquid having a tricyanofluoroborate anion as a main component.
  • non-aqueous electrolyte type electric double layer capacitor Since the non-aqueous electrolyte type electric double layer capacitor has a feature that it can be charged and discharged with a large current, it is used as an energy storage device for electric vehicles, auxiliary power sources, and the like.
  • This non-aqueous electrolytic solution-based electric double layer capacitor is composed of a pair of positive and negative polarized electrodes mainly composed of a carbonaceous material such as activated carbon, a non-aqueous electrolytic solution, and the like.
  • the non-aqueous electrolyte solution is generally composed of an electrolyte salt such as a quaternary ammonium salt or a quaternary phosphonium salt and a non-aqueous organic solvent.
  • an electrolyte salt such as a quaternary ammonium salt or a quaternary phosphonium salt
  • a non-aqueous organic solvent due to the solubility of the electrolyte salt in a non-aqueous organic solvent, the amount of the electrolyte salt added is limited, and as a result, the ionic conductivity of the non-aqueous electrolyte solution is low and the capacitance of the electric double layer capacitor is also low. There is a problem.
  • the present invention has been made in view of such circumstances, and provides an electrolytic solution for a power storage device that can be used as a 100% ionic liquid electrolytic solution and provides a power storage device having excellent cycle characteristics and rate characteristics. With the goal.
  • Patent Documents 3 and 4 disclose an additive for an electrolytic solution for a power storage device composed of an ionic liquid contained in the following formula (1), the use of the electrolytic solution itself as an electrolytic solution is disclosed. Is not disclosed.
  • An electrolytic solution for a power storage device which comprises an ionic liquid composed of a tricyanofluoroborate anion and a quaternary ammonium ion as a main component, which is represented by the formula (1).
  • R 1 to R 4 independently represent an alkyl group having 1 to 4 carbon atoms or an alkoxyalkyl group represented by ⁇ (CH 2 ) n ⁇ OR, and R has 1 to 4 carbon atoms.
  • any one of R 1 to R 4 is the alkoxyalkyl group, and any two of R 1 to R 4 are bonded to each other.
  • Electrolyte for power storage device which does not contain an organic solvent, 3. 3. 1 or 2 electrolytic solution for power storage device consisting only of the ionic liquid, 4.
  • the ionic liquid is an electrolytic solution for a power storage device according to any one of 1 to 3 represented by the formula (2).
  • R 1 represents an alkyl group having 1 to 4 carbon atoms, and R and n have the same meanings as described above.
  • the ionic liquid is an electrolytic solution for a power storage device of 4 represented by the formula (2-1).
  • the ionic liquid is an electrolytic solution for a power storage device according to any one of 1 to 3 represented by the formula (3).
  • R 1 to R 3 represent an alkyl group having 1 to 4 carbon atoms, and R and n have the same meanings as described above.
  • the ionic liquid is an electrolytic solution for a power storage device according to the formula (3-1).
  • Electrolyte for storage device according to any one of 1 to 7 for electric double layer capacitors 9.
  • a power storage device containing an electrolytic solution for a power storage device according to any one of 1 to 7. 10.
  • the ionic liquid represented by the following formula (2) (In the formula, R 1 represents an alkyl group having 1 to 4 carbon atoms, R represents an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 1 or 2). 12. Ionic liquid represented by the following formula (2-1) I will provide a.
  • the quaternary ammonium salt-type ionic liquid having a tricyanofluoroborate anion used in the electrolytic solution for an electric storage device of the present invention can be used as a 100% ionic liquid electrolytic solution, and even in that case, the electric storage device having excellent cycle characteristics and rate characteristics. give.
  • FIG. 6 is a 1 H-NMR spectrum diagram of the ionic liquid 1 obtained in Synthesis Example 1.
  • FIG. 5 is a 19 F-NMR spectrum diagram of the ionic liquid 1 obtained in Synthesis Example 1. It is a figure which shows the DSC measurement result of the ionic liquid 1 obtained in synthesis example 1.
  • FIG. It is a figure which shows the relationship of the internal resistance under the low temperature condition (25 ° C. or less) in the electric double layer capacitor produced in Example 1 and Comparative Example 1. It is a figure which shows the relationship of the internal resistance under the high temperature condition (25 degreeC or more) in the electric double layer capacitor produced in Example 1 and Comparative Example 1.
  • the electrolytic solution for a power storage device contains an ionic liquid composed of a tricyanofluoroborate anion and a quaternary ammonium ion represented by the formula (1) as a main component.
  • the "main component” means a component contained in the electrolytic solution at a ratio of more than 50% by mass.
  • the ionic liquid in the present invention refers to a salt composed of tricyanofluoroborate anions and quaternary ammonium ions having a melting point of 100 ° C. or lower, preferably a melting point of 50 ° C. or lower, and a melting point of 25 ° C. or lower. Is more preferable.
  • the power storage device in the present invention is not particularly limited, and various power storage devices such as an electric double layer capacitor, a lithium ion capacitor, a redox capacitor, a lithium secondary battery, a lithium ion secondary battery, a lithium air battery, and a proton polymer battery are used. Devices can be mentioned.
  • R 1 to R 4 are independently alkyl groups having 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, or alkoxyalkyl groups represented by ⁇ (CH 2 ) n ⁇ OR.
  • N represents an integer of 1 or 2
  • R represents an alkyl group having 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, and any one of R 1 to R 4 is used. It is an alkoxyalkyl group.
  • the alkyl group having 1 to 4 carbon atoms may be linear, branched or cyclic, and may be, for example, methyl, ethyl, n-propyl, i-propyl, c-propyl, n-butyl, i-butyl, s-. Butyl, t-butyl, c-butyl group and the like can be mentioned, but in any of R 1 to R 4 and R, a methyl group and an ethyl group are preferable.
  • any two of them may be bonded to each other to form a ring together with a nitrogen atom.
  • a ring structure include an aziridine ring, an azetidine ring, a pyrrolidine ring, a piperazine ring, an azepane ring, and the like, but a pyrrolidine ring and a piperazine ring are preferable, and a pyrrolidine ring is more preferable.
  • the cation component of the ionic liquid represented by the formula (1) is 1. Those having two alkoxyalkyl groups are preferable, and the ionic liquids represented by the formulas (2) and (3) are more preferable.
  • Preferable examples of the cationic structure constituting the ionic liquid represented by the above formula (2) include, but are not limited to, the following.
  • Preferable examples of the cationic structure constituting the ionic liquid represented by the above formula (3) include, but are not limited to, the following.
  • the ionic liquid constituting the electrolytic solution of the present invention the ionic liquid represented by the following formulas (2-1) and (3-1) is preferable, and the ionic liquid represented by the formula (2-1) is more preferable. ..
  • the ionic liquid represented by the above-mentioned formula (1) can be synthesized by a known method as described in the above-mentioned Patent Documents 3 and 4.
  • the electrolytic solution for a power storage device of the present invention contains the ionic liquid represented by the formula (1) as a main component (at a ratio of more than 50% by mass), but contains the ionic liquid represented by the formula (1).
  • Those containing more than 70% by mass are preferable, those containing more than 80% by mass are more preferable, those containing more than 90% by mass are even more preferable, and those containing 100% by mass are even more preferable.
  • the ionic liquid represented by the formula (1) may be a single type having the structure of the formula (1) or a mixture of two or more types having the structure of the formula (1).
  • an organic solvent When an organic solvent is used together with the ionic liquid represented by the formula (1), it can be appropriately selected from various solvents conventionally used as a solvent for an electrolytic solution, and specific examples thereof include methanol.
  • Alcohols such as ethanol; dibutyl ether, 1,2-dimethoxyethane, 1,2-ethoxymethoxyethane, methyl diglime, methyl triglime, methyl tetraglime, ethyl glyme, ethyl diglyme, butyl diglyme, ethyl cell solvent , Ethyl carbitol, butyl cell solvent, chain ethers such as butyl carbitol; heterocyclic ethers such as tetrahydrofuran, 2-methyl tetrahydrofuran, 1,3-dioxolane, 4,4-dimethyl-1,3-dioxane.
  • Solvents such as ⁇ -butyrolactone, ⁇ -valerolactone, ⁇ -valerolactone, 3-methyl-1,3-oxazolidine-2-one, 3-ethyl-1,3-oxazolidin-2-one; N-methyl Amides such as formamide, N, N-dimethylformamide, N-methylacetamide, N-methylpyrrolidinone; carbonates such as diethyl carbonate, dimethyl carbonate, ethylmethyl carbonate, propylene carbonate, ethylene carbonate, butylene carbonate; 1,3- Imidazolines such as dimethyl-2-imidazolidinone; organic solvents such as nitriles such as acetonitrile and propionitrile can be mentioned, and these can be used alone or in admixture of two or more.
  • N-methyl Amides such as formamide, N, N-dimethylformamide, N-methylacetamide, N-methylpyrrolidinone
  • carbonates such as diethyl
  • a solid electrolyte salt may be added at room temperature (25 ° C.), if necessary.
  • the electrolyte salt is appropriately selected according to the type of power storage device, and specific examples thereof include lithium tricyanofluoroborate, lithium tetrafluoroborate, lithium hexafluorophosphate, lithium bis (trifluoromethanesulfonyl) amide, and the like.
  • Lithium salts such as lithium bis (fluorosulfonyl) amide, lithium perchlorate, lithium acetate, lithium trifluoroacetate, lithium benzoate, lithium p-toluenesulfonate, lithium nitrate, lithium bromide, lithium iodide; tetramethylammonium Quadruple ammonium salts such as hexafluorophosphate, tetraethylammonium hexafluorophosphate, tetrapropylammonium hexafluorophosphate, methyltriethylammonium hexafluorophosphate, tetraethylammonium tetrafluoroborate, tetraethylammonium perchlorate; lithium bis (trifluoromethanesulfonyl) imide, Examples thereof include lithium bis (fluorosulfonyl) imide.
  • the concentration of the solid electrolyte salt in the electrolytic solution is not particularly limited, and is usually about 0.5 to 3 mol / L, preferably about 0.8 to 2 mol / L, and 0.9 to 1.5 mol. About / L is more preferable.
  • the power storage device of the present invention is not particularly limited as long as it includes the above-described electrolytic solution of the present invention, and is, for example, a positive electrode having a positive electrode current collector and a positive electrode active material layer formed on the surface thereof.
  • a general secondary battery having a negative electrode current collector and a negative electrode having a negative electrode active material layer formed on the surface thereof and a separator interposed between these electrodes, a positive electrode (air electrode) layer and a negative electrode layer, And in an air cell having an electrolytic solution layer arranged between each electrode, an electrolytic solution containing the electrolytic solution additive of the present invention is applied, or a pair of polarized electrodes and a separator interposed between these electrodes.
  • An electric double-layer capacitor including an electrolytic solution and an electrolytic solution to which the electrolytic solution of the present invention is applied can be mentioned.
  • the electrolytic solution for a power storage device of the present invention is particularly used for an electric double-layer capacitor. Suitable as an electrolytic solution.
  • Each material constituting the electric double layer capacitor may be appropriately selected from conventionally known materials and used, and is not particularly limited, but an example thereof is as follows.
  • Examples of a general polarizable electrode include a current collector coated with a composition containing a carbonaceous material, a binder polymer, and if necessary, a conductive material and a solvent.
  • the carbonaceous material is not particularly limited, and examples thereof include various conventionally known carbonaceous materials, and examples thereof include activated carbon, graphite, graphene, carbon nanotubes, carbon nanofibers, and carbon nanohorns.
  • Specific examples of the positive electrode current collector include an aluminum foil and an aluminum alloy foil.
  • Specific examples of the negative electrode current collector include copper foil, copper alloy foil, nickel foil, nickel alloy foil, stainless steel foil and the like.
  • binder polymer examples include polyvinylidene fluoride (PVdF), polyvinylpyrrolidone, polytetrafluoroethylene, tetrafluoroethylene-hexafluoropropylene copolymer, and vinylidene fluoride-hexafluoropropylene copolymer [P (VDF-HFP). )], Vinylidene fluoride-ethylene trifluoride copolymer [P (VDF-CTFE)], polyvinyl alcohol, ethylene-propylene-diene ternary copolymer, styrene-butadiene rubber, carboxymethyl cellulose (CMC), etc. Can be mentioned.
  • PVdF polyvinylidene fluoride
  • PVDF-HFP vinylidene fluoride-hexafluoropropylene copolymer
  • VDF-CTFE Vinylidene fluoride-ethylene trifluoride copolymer
  • CMC carboxymethyl cellulose
  • a solvent at the time of preparing the said composition.
  • This solvent is selected according to the type of the binder polymer, but generally, N-methyl-2-pyrrolidone or water is used.
  • the polar electrode can be formed by applying a composition containing the materials described above onto a current collector and, if necessary, drying it under heating.
  • the separator include polyolefin-based separators such as polyethylene and polypropylene, polyester-based separators such as polyethylene terephthalate, polyamide-based separators, polyimide-based separators, cellulose-based separators, and glass fiber-based separators.
  • a device structure having a separator interposed between a pair of electrodes is laminated, folded, or wound to form a coin shape or the like as necessary, and this is formed into a battery can or a battery can.
  • a battery container such as a laminate pack
  • the electrolytic solution for a power storage device of the present invention is filled, and if it is a battery can, it is sealed, while if it is a laminate pack, it is heat-sealed. Can be done.
  • the ionic liquid 1 was a colorless and transparent liquid (melting point 7 ° C.) at room temperature.
  • the NMR (solvent deuterated dimethylsulfoxide) measurement results of the ionic liquid 1 are shown in FIGS. 1 ( 1 H-NMR) and 2 ( 19 F-NMR), and the DSC measurement results are shown in FIG.
  • Potassium tricyanofluoroborate was synthesized according to the method described in the literature (Inorg. Chem. 2015, 54, 7, 3403-3412), and N-2-methoxyethyl-N-methylpyrrolidinium chloride was used.
  • Japanese Patent Application Laid-Open No. 2016-118001 was synthesized by the method described in JP.
  • Example 1 Electric double layer capacitor (1) Fabrication of positive electrode structure Activated charcoal YP50 (manufactured by Kuraray Co., Ltd.), conductive auxiliary agent (HS-100, Electrochemical Industry Co., Ltd.) ) And PVDF (manufactured by Aldrich, weight average molecular weight Mw: 534,000) are mixed in NMP, which is a coating solvent, so as to have a mass composition of 85: 8: 7. A coating solution for a polarizable electrode was prepared.
  • NMP is a coating solvent
  • the obtained coating liquid is applied to an etched aluminum foil (20C054, manufactured by Nippon Denki Kogyo Co., Ltd.), which is a positive current collector, rolled by a roll press, and further dried and removed from NMP to be positive.
  • a polar electrode structure was formed to obtain a positive polar electrode structure.
  • (2) Preparation of negative electrode structure Activated charcoal YP50 (manufactured by Kuraray Co., Ltd.), conductive auxiliary agent (HS-100, manufactured by Denki Kagaku Kogyo Co., Ltd.), and PVDF (manufactured by Aldrich Co., Ltd., weight average) which is a solvent.
  • NMP which is a coating solvent, so as to have a mass composition of 85: 7: 8, to prepare a coating solution for a negative polar electrode.
  • the obtained coating liquid is applied to an etched aluminum foil (20C054, manufactured by Nippon Denki Kogyo Co., Ltd.), which is a negative current collector, rolled by a roll press, and further dried and removed from NMP to be negative.
  • a polar electrode structure was formed to obtain a negative polar electrode structure.
  • (3) Fabrication of Electric Double Layer Capacitor An aluminum electrode take-out terminal is spot-welded to each of the positively polarized electrode structure and the negatively polarized electrode structure obtained above, and a separator (TF40-) is formed.
  • the cell was assembled via Nippon Advanced Paper Industry Co., Ltd.) and inserted into an outer container made of aluminum laminate (manufactured by Dainippon Printing Co., Ltd.).
  • a predetermined amount of an electrolytic solution consisting of only the ionic liquid 1 obtained in Synthesis Example 1 is injected into the electrolytic solution, and then the electrolytic solution is impregnated under a reduced pressure of 25 ° C. and 10 kPa or less, and then sealed by heat welding. , Obtained an electric double layer capacitor cell.
  • Example 1 Electric Double Layer Capacitor An electric double layer capacitor cell is provided in the same manner as in Example 1 except that an electrolytic solution consisting only of the following ionic liquid 2 is used instead of an electrolytic solution consisting only of the ionic liquid 1. Made. The ionic liquid 2 was synthesized according to Synthesis Example 3 of JP-A-2007-161733.
  • Example 1 and Comparative Example 1 The electric double layer capacitor cells obtained in Example 1 and Comparative Example 1 were subjected to the aging treatment and then evaluated as follows.
  • a charging / discharging device HJD0505SM8A manufactured by Hokuto Denko Co., Ltd.
  • HJD0505SM8A manufactured by Hokuto Denko Co., Ltd.
  • Constant voltage charging was performed at .8 V for 12 hours, and then constant current discharge was performed at a current rate of 0.5 C to 0 V to complete the aging process.
  • Example 1 Evaluation of Temperature Characteristics of AC Impedance
  • the electric double layer capacitor cells obtained in Example 1 and Comparative Example 1 were measured for AC impedance in an environment of ⁇ 35 ° C. to 70 ° C.
  • a small environmental tester manufactured by Espec Co., Ltd., SU-241 is used to adjust the environmental temperature, and after exposure to each temperature environment for 3 hours or more, a regulated DC power supply (manufactured by TEXIO Technology Co., Ltd., PA10) Using -5B), constant voltage charging was performed at 2.7 V for 1 hour or longer, and then the AC impedance was measured using a high-performance electrochemical system (Biologic, VMP-300).
  • the measurement was performed at a measurement frequency of 1 MHz to 0.1 Hz and a measurement signal voltage of 10 mV.
  • the low temperature measurement result is shown in FIG. 4, and the high temperature measurement result is shown in FIG.
  • the ionic liquid 2 was considered to be frozen at ⁇ 25 ° C. or lower, and no data could be obtained. Therefore, the data of the ionic liquid 2 at ⁇ 25 ° C. and ⁇ 35 ° C. are not shown in FIG.
  • the capacitor of Example 1 using the electrolytic solution composed of the ionic liquid 1 has better cycle characteristics than the capacitor of the comparative example, and the inside at both low temperature and high temperature. It can be seen that the resistance is also low.

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Abstract

L'invention concerne une solution électrolytique pour un dispositif de stockage d'énergie contenant, en tant que composant primaire, un liquide ionique qui est représenté par la formule (1) et est constitué d'un anion tricyanofluoroborate et d'un ion ammonium quaternaire, pouvant être utilisé en tant que solution d'électrolyte à liquide ionique à 100 %, et permettant d'obtenir un dispositif de stockage d'énergie ayant d'excellentes caractéristiques de régime et caractéristiques de cycle. (Dans la formule, chacun des R1 à R4 représente indépendamment l'un de l'autre un groupe alkyle ayant de 1 à 4 atomes de carbone ou un groupe alcoxyalkyle qui est représenté par -(CH2)n-OR (R étant un groupe alkyle ayant de 1 à 4 atomes de carbone, et n représentant un nombre entier de 1 ou 2. En outre, un quelconque de R1 à R4 est le groupe alcoxyalkyle, et deux quelconques de R1 à R4 peuvent se lier l'un à l'autre pour former un cycle conjointement avec un atome d'azote.
PCT/JP2021/003619 2020-03-02 2021-02-02 Solution électrolytique pour dispositif de stockage d'énergie, et liquide ionique WO2021176920A1 (fr)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004175666A (ja) * 2002-11-22 2004-06-24 Tokuyama Corp オニウム塩
JP2006517546A (ja) * 2003-02-14 2006-07-27 メルク　パテント　ゲゼルシャフト　ミット　ベシュレンクテル　ハフトング シアノボレートアニオンを有する塩
JP2006236829A (ja) * 2005-02-25 2006-09-07 Nisshinbo Ind Inc イオン液体、蓄電デバイス用非水電解液および蓄電デバイス
JP2013517231A (ja) * 2010-01-18 2013-05-16 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング パーフルオロアルキルシアノまたはパーフルオロアルキルシアノフルオロボラートの調製方法
JP2013545221A (ja) * 2010-09-30 2013-12-19 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング 電解質配合物
WO2016111151A1 (fr) * 2015-01-06 2016-07-14 株式会社トクヤマ Solution electrolytique non-aqueuse et dispositif d'accumulation d'energie utilisant celle-ci
JP2018073585A (ja) * 2016-10-27 2018-05-10 株式会社トクヤマ 多価オニウム化合物を含む非水電解液、および該非水電解液を用いた蓄電デバイス
JP2018115122A (ja) * 2017-01-17 2018-07-26 株式会社トクヤマ シアノフルオロボレートリチウム塩、該シアノフルオロボレートリチウム塩を含む非水電解液、および該非水電解液を有する蓄電デバイス

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004175666A (ja) * 2002-11-22 2004-06-24 Tokuyama Corp オニウム塩
JP2006517546A (ja) * 2003-02-14 2006-07-27 メルク　パテント　ゲゼルシャフト　ミット　ベシュレンクテル　ハフトング シアノボレートアニオンを有する塩
JP2006236829A (ja) * 2005-02-25 2006-09-07 Nisshinbo Ind Inc イオン液体、蓄電デバイス用非水電解液および蓄電デバイス
JP2013517231A (ja) * 2010-01-18 2013-05-16 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング パーフルオロアルキルシアノまたはパーフルオロアルキルシアノフルオロボラートの調製方法
JP2013545221A (ja) * 2010-09-30 2013-12-19 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング 電解質配合物
WO2016111151A1 (fr) * 2015-01-06 2016-07-14 株式会社トクヤマ Solution electrolytique non-aqueuse et dispositif d'accumulation d'energie utilisant celle-ci
JP2018073585A (ja) * 2016-10-27 2018-05-10 株式会社トクヤマ 多価オニウム化合物を含む非水電解液、および該非水電解液を用いた蓄電デバイス
JP2018115122A (ja) * 2017-01-17 2018-07-26 株式会社トクヤマ シアノフルオロボレートリチウム塩、該シアノフルオロボレートリチウム塩を含む非水電解液、および該非水電解液を有する蓄電デバイス

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