Abstract: An object of the present invention is to provide an electrolytic solution for nonaqueous electrolytic solution batteries capable of showing high output characteristics at low temperature even after the batteries are used to some extent, and a nonaqueous electrolytic solution batteries. The present invention is characterized in the use of an electrolytic solution for nonaqueous electrolytic solution batteries, the electrolytic solution including a difluoro ionic complex (1-Cis) in a cis configuration represented by the general formula (1-Cis), a nonaqueous organic solvent, and a solute. Furthermore, the electrolytic solution may contain a difluoro ionic complex (1-Trans) in a trans configuration or a tetrafluoro ionic complex (5).

Abstract: To provide a material suitable for a nonaqueous electrolyte battery having high-temperature durability. An ionic complex of the present invention is represented by any of the following formulae (1) to (3). For example, in the formula (1), A is a metal ion, a proton, or an onium ion; M is any of groups 13 to 15 elements. R1 represents a C1 to C10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom, or —N(R2)—. R2 at this time represents hydrogen atom, alkali metal atom, a C1 to C10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom. R2 can also have a branched chain or a ring structure when the number of carbon atoms is 3 or more. Y is carbon atom or sulfur atom. a, o, n, p, q, and r are each predetermined integers.

Abstract: An electrolyte for a non-aqueous electrolyte battery includes a non-aqueous organic solvent and at least lithium hexafluorophosphate as a solute, characterized by further including 10 to 1000 mass ppm of a phosphorus-containing acidic compound and 0.01 to 10.0 mass % of a difluorophosphate. The phosphorus-containing acidic compound is preferably at least one selected from the group consisting of HPF6, HPO2F2, H2PO3F and H3PO4. By the use of such an electrolyte, it is possible to provide the non-aqueous electrolyte lithium battery capable of maintaining high discharge capacity even after repeated charge/discharge cycles under a high temperature environment.

Abstract: An object of the present invention is to provide an electrolytic solution for nonaqueous electrolytic solution batteries capable of showing high output characteristics at low temperature even after the batteries are used to some extent, and a nonaqueous electrolytic solution batteries. The present invention is characterized in the use of an electrolytic solution for nonaqueous electrolytic solution batteries, the electrolytic solution including a difluoro ionic complex (1-Cis) in a cis configuration represented by the general formula (1-Cis), a nonaqueous organic solvent, and a solute. Furthermore, the electrolytic solution may contain a difluoro ionic complex (1-Trans) in a trans configuration or a tetrafluoro ionic complex (5).

Abstract: An electrolyte for a non-aqueous electrolyte battery includes a non-aqueous organic solvent and at least lithium hexafluorophosphate as a solute, characterized by further including 10 to 1000 mass ppm of a phosphorus-containing acidic compound and 0.01 to 10.0 mass % of a difluorophosphate. The phosphorus-containing acidic compound is preferably at least one selected from the group consisting of HPF6, HPO2F2, H2PO3F and H3PO4. By the use of such an electrolyte, it is possible to provide the non-aqueous electrolyte lithium battery capable of maintaining high discharge capacity even after repeated charge/discharge cycles under a high temperature environment.

Abstract: To provide a material suitable for a nonaqueous electrolyte battery having high-temperature durability. An ionic complex of the present invention is represented by any of the following formulae (1) to (3). For example, in the formula (1), A is a metal ion, a proton, or an onium ion; M is any of groups 13 to 15 elements. R1 represents a C1 to C10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom, or —N(R2)—. R2 at this time represents hydrogen atom, alkali metal atom, a C1 to C10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom. R2 can also have a branched chain or a ring structure when the number of carbon atoms is 3 or more. Y is carbon atom or sulfur atom. a, o, n, p, q, and r are each predetermined integers.

Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes a phosphazene compound represented by the following general formula (1): (NPR2)n??(1) wherein each R independently represents fluorine or a secondary or tertiary branched alkoxy group substituted with fluorine, at least one of the Rs represents the secondary or tertiary branched alkoxy group substituted with fluorine, and n is from 3 to 14.

Abstract: Disclosed is a production method of a lithium tetrafluoroborate solution for use as a lithium battery electrolytic solution, including: a reaction step of forming lithium tetrafluoroborate by reaction of lithium fluoride and boron trifluoride in a chain carbonate ester solvent and thereby obtaining a reaction solution of the lithium tetrafluoroborate dissolved in the chain carbonate ester solvent; a water removal step of adding a water removing agent to the reaction solution; an acidic impurity removal step of removing an acidic impurity component from the reaction solution by concentrating the reaction solution after the water removal step; and a dilution step of diluting the concentrated solution after the acidic impurity removal step. It is possible by this method to obtain the lithium tetrafluoroborate solution whose acidic impurity content and water content are reduced to be 50 mass ppm or lower and 15 mass ppm or lower, respectively.

Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes at least one compound selected from a first compound group consisting of phosphazene compounds represented by the following general formula (1): (NPR2)n??(1) wherein each R independently represents fluorine or a substituent including an organic group substituted with fluorine, at least one of the Rs represents the substituent including an organic group substituted with fluorine, and n is from 3 to 14; and includes at least one compound selected from a second compound group consisting of borate represented by the following general formula (2), bis(oxalato)borate, difluoro(oxalato)borate, tris(oxalato)phosphate, difluoro(bisoxalato)phosphate, and tetrafluoro(oxalato)phosphate: wherein Aa+ represents a cation, and a repres

Abstract: An electrolyte for an electrochemical device according to the present invention has a chemical structure formula represented by a general formula (1): where M is a group 13 or 15 element of the periodic table; A+ is an alkali metal ion or an onium ion; m is a number of 1-4 when M is a group 13 element, and is a number of 1-6 when M is a group 15 element; n is a number of 0-3 when M is a group 13 element, and is a number of 0-5 when M is a group 15 element; R is a halogen atom, a C1-C10 halogenated alkyl group, a C6-C20 aryl group, or a C6-C20 halogenated aryl group; a hydrogen atom in R may be replaced with a specific substituent; and a carbon atom in R may be replaced by a nitrogen atom, a sulfur atom or an oxygen atom.

Abstract: An electrolyte for a non-aqueous electrolyte battery according to the present invention contains a non-aqueous organic solvent; a solute; and both of difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate as additives. A non-aqueous electrolyte battery according to the present invention uses the above electrolyte. By the composite effect of the difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate in the non-aqueous electrolyte and the non-aqueous electrolyte battery, it is possible to improve not only the cycle characteristics and high-temperature storage stability of the battery but also the low-temperature characteristics of the battery at temperatures of 0° C. or lower.

Abstract: Disclosed is a production method of a lithium tetrafluoroborate solution for use as a lithium battery electrolytic solution, including: a reaction step of forming lithium tetrafluoroborate by reaction of lithium fluoride and boron trifluoride in a chain carbonate ester solvent and thereby obtaining a reaction solution of the lithium tetrafluoroborate dissolved in the chain carbonate ester solvent; a water removal step of adding a water removing agent to the reaction solution; an acidic impurity removal step of removing an acidic impurity component from the reaction solution by concentrating the reaction solution after the water removal step; and a dilution step of diluting the concentrated solution after the acidic impurity removal step. It is possible by this method to obtain the lithium tetrafluoroborate solution whose acidic impurity content and water content are reduced to be 50 mass ppm or lower and 15 mass ppm or lower, respectively.

Abstract: An object of the present invention is to provide: a production method for commercially advantageously producing lithium difluorophosphate or an electrolyte solution containing the lithium difluorophosphate, the lithium difluorophosphate serving as an additive useful for improving performance of a nonaqueous electrolyte battery; and a nonaqueous electrolyte battery employing the electrolyte solution for the nonaqueous electrolyte battery which solution contains the lithium difluorophosphate produced by the production method. To provide an electrolyte solution for a nonaqueous electrolyte battery which solution contains lithium difluorophosphate, in such a manner as to produce lithium difluorophosphate in the electrolyte solution by reacting a halide other than a fluoride, LiPF6 and water in a nonaqueous solvent, the lithium difluorophosphate serving as an additive useful for improving performance of the nonaqueous electrolyte battery.

Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes at least one compound selected from a first compound group consisting of phosphazene compounds represented by the following general formula (1): (NPR2)n??(1) wherein each R independently represents fluorine or a substituent including an organic group substituted with fluorine, at least one of the Rs represents the substituent including an organic group substituted with fluorine, and n is from 3 to 14; and includes at least one compound selected from a second compound group consisting of borate represented by the following general formula (2), bis(oxalato)borate, difluoro(oxalato)borate, tris(oxalato)phosphate, difluoro(bisoxalato)phosphate, and tetrafluoro(oxalato)phosphate: wherein Aa+ represents a cation, and a repre

Abstract: The present invention relates to a non-aqueous electrolyte additive that allows for improved safety and battery characteristics of a non-aqueous electrolyte secondary battery, and in greater detail, the present invention relates to a non-aqueous electrolyte additive that includes a phosphazene compound represented by the following general formula (1): (NPR2)n ??(1) wherein each R independently represents fluorine or a secondary or tertiary branched alkoxy group substituted with fluorine, at least one of the Rs represents the secondary or tertiary branched alkoxy group substituted with fluorine, and n is from 3 to 14.

Abstract: An electrolyte for a non-aqueous electrolyte battery according to the present invention contains a non-aqueous organic solvent; a solute; and both of difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate as additives. A non-aqueous electrolyte battery according to the present invention uses the above electrolyte. By the composite effect of the difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate in the non-aqueous electrolyte and the non-aqueous electrolyte battery, it is possible to improve not only the cycle characteristics and high-temperature storage stability of the battery but also the low-temperature characteristics of the battery at temperatures of 0° C. or lower.

Abstract: [Summary] An object of the present invention is to find a new electrolyte having a characteristics for the electrolyte for an electrochemical device and to provide excellent electrolytic solution for a nonaqueous electrolyte battery and nonaqueous electrolyte battery which use this. [Solving Means] To provide an electrolyte for an electrochemical device, having a chemical structure formula represented by a general formula (1). where M is a group 13 or 15 group element of the periodic table; A+ is an alkali metal ion or an onium ion; m is a number of 1-4 when M is a group 13 element, and is a number of 1-6 when M is a group 15 element; n is a number of 0-3 when M is a group 13 element, and is a number of 0-5 when M is a group 15 element; and R is a halogen atom, a C1-C10 halogenated alkyl group, a C6-C20 aryl group, a C6-C20 halogenated aryl group.

Abstract: [Problems] An object of the present invention is to provide: a production method for commercially advantageously producing lithium difluorophosphate or an electrolyte solution containing the lithium difluorophosphate, the lithium difluorophosphate serving as an additive useful for improving performance of a nonaqueous electrolyte battery; and a nonaqueous electrolyte battery employing the electrolyte solution for the nonaqueous electrolyte battery which solution contains the lithium difluorophosphate produced by the production method. [Means for Solving Problems] To provide an electrolyte solution for a nonaqueous electrolyte battery which solution contains lithium difluorophosphate, in such a manner as to produce lithium difluorophosphate in the electrolyte solution by reacting a halide other than a fluoride, LiPF6 and water in a nonaqueous solvent, the lithium difluorophosphate serving as an additive useful for improving performance of the nonaqueous electrolyte battery.

Abstract: The invention relates to a process for synthesizing an ionic metal complex represented by the general formula (1) or (5). This process includes reacting in an organic solvent a compound (corresponding to ligand of the complex) represented by the general formula (2) or (6) with a halogen-containing compound represented by the general formula (3) or (4), in the presence of a reaction aid containing an element selected from the group consisting of elements of groups 1-4 and 11-14 of the periodic table. It is possible by this process to easily and efficiently synthesize the ionic metal complex, which can be used as a supporting electrolyte for electrochemical devices, a polymerization catalyst of polyolefins and so forth, or a catalyst for organic synthesis.

Abstract: The invention relates to an electrolyte for an electrochemical device. This electrolyte includes a first compound that is an ionic metal complex represented by the general formula (1); and at least one compound selected from special second to fourth compounds, fifth to ninth compounds respectively represented by the general formulas Aa+(PF6−)a, Aa+(ClO4−)a, Aa+(BF4−)a, Aa+(AsF6−)a, and Aa+(SbF6−)a, and special tenth to twelfth compounds, The electrolyte is superior in cycle characteristics and shelf life as compared with conventional electrolytes.