The present invention relates to a nonaqueous electrolytic solution containing an electrolyte, a nonaqueous solvent, a compound represented by general formula (I), and at least one specific anion-containing compound selected from an anion-containing compound having a P=O bond and a P-F bond, an anion-containing compound having an S=O bond and an S-F bond, and an alkyl sulfate anion-containing compound, wherein the mass ratio between the compound represented by general formula (I) and the specific anion-containing compound satisfies a specific range. The present invention also relates to a nonaqueous electrolytic solution battery comprising a negative electrode and a positive electrode capable of occluding and releasing metal ions, and the nonaqueous electrolytic solution.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A nonaqueous electrolyte secondary battery having excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics is provided. The battery contains a negative electrode having an active material comprising Si or a Si alloy; a positive electrode; and a nonaqueous electrolyte solution, containing an electrolyte; a nonaqueous solvent including an acyclic carbonate having a halogen atom; and at least one compound selected from the group consisting of a monofluorophosphate and a difluorophosphate. A nonaqueous electrolyte in contact with a negative electrode having an active material comprising Si or a Si alloy is also provided.
A nonaqueous electrolyte secondary battery including: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution is provided. The negative electrode contains a graphite and a metal compound-based material containing Si or a Si metal oxide, and the nonaqueous electrolyte solution includes at least one compound of Formula (A) and Formula (B):
A nonaqueous electrolyte secondary battery including: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution is provided. The negative electrode contains a graphite and a metal compound-based material containing Si or a Si metal oxide, and the nonaqueous electrolyte solution includes at least one compound of Formula (A) and Formula (B):
wherein R1 to R3 each independently represent an alkyl group having 1 to 10 carbon atoms which optionally has a substituent, or an aryl group having 6 to 18 carbon atoms which optionally has a substituent, and X represents hydrogen, an alkenyl group having 2 to 10 carbon atoms or an alkynyl group having 2 to 10 carbon atoms; and R4 to R6 each independently represent a hydrocarbon group having 1 to 20 carbon atoms which optionally has a substituent, Y represents S, NH or NR7, and R7 represents a hydrocarbon group having 1 to 20 carbon atoms.
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
4.
NON-AQUEOUS ELECTROLYTE, AND NON-AQUEOUS ELECTROLYTE BATTERY USING SAID NON-AQUEOUS ELECTROLYTE
The present invention relates to: [1] a nonaqueous electrolytic solution containing a compound (A) represented by formula (I); and [2] a nonaqueous electrolytic solution battery including a positive electrode, a negative electrode, and the nonaqueous electrolytic solution.
The present invention relates to: [1] a nonaqueous electrolytic solution containing a compound (A) represented by formula (I); and [2] a nonaqueous electrolytic solution battery including a positive electrode, a negative electrode, and the nonaqueous electrolytic solution.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0568 - Liquid materials characterised by the solutes
5.
NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME
A nonaqueous electrolyte solution including at least an electrolyte, and a nonaqueous solvent, wherein the nonaqueous electrolyte solution contains a compound represented by the following general formula (A):
A nonaqueous electrolyte solution including at least an electrolyte, and a nonaqueous solvent, wherein the nonaqueous electrolyte solution contains a compound represented by the following general formula (A):
wherein R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and
a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution
The present disclosure relates to: a nonaqueous electrolytic solution containing a compound (A) represented by general formula (1) and an anion (B) represented by general formula (2), and having amass ratio [(A)/(B)] of 0.01 or more and 1.2 or less; and a nonaqueous electrolytic solution battery including a positive electrode having a positive electrode active material capable of absorbing and releasing lithium ions, a negative electrode, and the nonaqueous electrolytic solution.
The present disclosure relates to: a nonaqueous electrolytic solution containing a compound (A) represented by general formula (1) and an anion (B) represented by general formula (2), and having amass ratio [(A)/(B)] of 0.01 or more and 1.2 or less; and a nonaqueous electrolytic solution battery including a positive electrode having a positive electrode active material capable of absorbing and releasing lithium ions, a negative electrode, and the nonaqueous electrolytic solution.
An object is to provide a non-aqueous electrolyte solution that can improve the capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries. A further object is to provide a non-aqueous electrolyte battery that uses this non-aqueous electrolyte solution. These objects can be achieved by using a non-aqueous electrolyte solution that incorporates, in prescribed contents, (A) a compound having at least two isocyanate groups per molecule and (B) a compound of formula (3):
An object is to provide a non-aqueous electrolyte solution that can improve the capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries. A further object is to provide a non-aqueous electrolyte battery that uses this non-aqueous electrolyte solution. These objects can be achieved by using a non-aqueous electrolyte solution that incorporates, in prescribed contents, (A) a compound having at least two isocyanate groups per molecule and (B) a compound of formula (3):
LiCnF2n+1SO3 (3)
wherein n is an integer from 0 to 4.
A nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode which are capable of absorbing and releasing metal ions, the nonaqueous electrolytic solution comprising an alkali metal salt, a nonaqueous solvent, a compound represented by General Formula (A), and at least one of a specific compound represented by General Formula (α) and a specific compound represented by General Formula (β).
A nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode which are capable of absorbing and releasing metal ions, the nonaqueous electrolytic solution comprising an alkali metal salt, a nonaqueous solvent, a compound represented by General Formula (A), and at least one of a specific compound represented by General Formula (α) and a specific compound represented by General Formula (β).
A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output.
A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output.
A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output.
[In general formula (1), R1 and R2 are an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), R3 to R5 are an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1≤p+q+r≤3. In general formula (3), R6 to R8 are an organic group having 1-12 carbon atoms and symbol A is a group constituted of H, C, N, O, F, S, Si, and/or P.]
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
3 or more; and the nonaqueous electrolyte solution includes a monofluorophosphate and/or a difluorophosphate. A total content of the monofluorophosphate and/or difluorophosphate is 0.01% by mass or more in terms of the concentration in the nonaqueous electrolyte solution.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
The present invention relates to: a nonaqueous electrolyte solution which is characterized by containing an electrolyte, a nonaqueous solvent and a compound that is represented by general formula (1); and a nonaqueous electrolyte battery that is provided with this nonaqueous electrolyte solution, and a positive electrode and a negative electrode, which are capable of adsorbing and desorbing metal ions. (In general formula (1), each of R1, R2and R3 represents a hydrogen atom; X represents a methyl group or an ethyl group; and Y represents an alkyl group having 3 to 10 carbon atoms.)
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that includes a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution includes (A) a first compound that does not have an aliphatic substituent having an unsaturated bond but has a Si—Si bond; and (B) a second compound having a S═O group and/or a third compound of formula (1)
A nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that includes a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution includes (A) a first compound that does not have an aliphatic substituent having an unsaturated bond but has a Si—Si bond; and (B) a second compound having a S═O group and/or a third compound of formula (1)
The present invention relates to: a nonaqueous electrolyte solution which contains an electrolyte salt and a phosphonic acid ester that is represented by general formula (I), and which satisfies at least one of the condition (A) and the condition (B) described below; and a power storage device which comprises a positive electrode, a negative electrode and the nonaqueous electrolyte solution. (In general formula (I), R1represents an alkyl group, and each of R2and R3independently represents an alkynyl group having 3 to 6 carbon atoms.) Condition (A): In the formula, R1is an alkyl group having 1 to 5 carbon atoms; at least one selected from among an anion-containing compound having an S=O bond and an S=O group-containing compound (excluding the anion-containing compound having an S=O bond) is additionally contained; and if (A1) is the content of a compound represented by general formula (I) on a mass basis, (A2) is the content of an anion-containing compound having an S=O bond on a mass basis, and (A3) is the content of an S=O group-containing compound on a mass basis, at least one of [(A1)/(A2) is 0.001 to 10], and [(A1)/(A3) is 0.001 to 1.5], is satisfied. Condition (B): In the formula, R1 is a branched alkyl group having 3 to 6 carbon atoms; and a carbon atom adjacent to a phosphorus atom is a secondary carbon atom or a tertiary carbon atom.
H01M 10/0567 - Liquid materials characterised by the additives
H01G 11/30 - Electrodes characterised by their material
H01G 11/64 - Liquid electrolytes characterised by additives
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 6/16 - Cells with non-aqueous electrolyte with organic electrolyte
The present invention provides a non-aqueous liquid electrolyte that can inhibit a capacity loss during continuous charging of a cell. A non-aqueous liquid electrolyte containing oxalato-complex anions (A), LiPF6, a symmetrical chain-form carbonate, and a chain-form carboxylic acid ester (C) in which the viscosity at 25° C. is 0.01-0.47 cP, wherein the non-aqueous liquid electrolyte is characterized in that: the ratio (A/B) of the amount (mass) of oxalato-complex anions (A) to the amount (mass) of PF6− anions (B) is 0.0001-0.30; and the total amount of the symmetrical chain-form carbonate and the chain-form carboxylic acid ester (C) in which the viscosity at 25° C. is 0.01-0.47 cP, relative to the total amount of the non-aqueous liquid electrolyte, is 1-45 mass %.
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
15.
NON-AQUEOUS ELECTROLYTE SOLUTION AND POWER STORAGE DEVICE USING SAME
There is provided a nonaqueous electrolytic solution for an energy storage device which is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent and contains a phosphonate represented by the following general formula (I), and an energy storage device using the same:
There is provided a nonaqueous electrolytic solution for an energy storage device which is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent and contains a phosphonate represented by the following general formula (I), and an energy storage device using the same:
There is provided a nonaqueous electrolytic solution for an energy storage device which is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent and contains a phosphonate represented by the following general formula (I), and an energy storage device using the same:
wherein, R1 represents an alkenyl group having 2 to 6 carbon atoms or an alkynyl group having 3 to 6 carbon atoms, and R2 and R3 each independently represent an alkynyl group having 3 to 6 carbon atoms.
A task is to provide a non-aqueous electrolytic solution exhibiting excellent cycle capacity maintaining ratio and excellent low-temperature resistance characteristics and a non-aqueous electrolyte secondary battery using the same. An object of the present invention is to provide a non-aqueous electrolytic solution which improves the cycle capacity maintaining ratio and low-temperature resistance characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is a non-aqueous electrolytic solution comprising an electrolyte and a non-aqueous solvent dissolving therein the electrolyte, wherein the non-aqueous electrolytic solution contains a compound represented by formula (1) (wherein X represents an organic group containing a heteroatom, Y represents a sulfur atom, a phosphorus atom, or a carbon atom, n represents an integer of 1 or 2, m represents an integer of 2 to 4, l represents an integer of 1 or 2, and Z represents an organic group having 4 to 12 carbon atoms and optionally having a heteroatom), and a non-aqueous electrolyte secondary battery comprising the non-aqueous electrolytic solution.
C07C 303/28 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof
Provided are: a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, which nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (1) along with an alkali metal salt and a nonaqueous solvent.
Provided are: a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, which nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (1) along with an alkali metal salt and a nonaqueous solvent.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
Provided is a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions. The nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (A) and a compound represented by Formula (α) along with an alkali metal salt and a nonaqueous solvent.
Provided is a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions. The nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (A) and a compound represented by Formula (α) along with an alkali metal salt and a nonaqueous solvent.
The present invention provides a non-aqueous electrolytic solution which can be handled industrially stably, and which allows for achieving a good durability performance, particularly, a good capacity retention rate during repeated charging and discharging, of an energy device typified by a non-aqueous electrolytic solution secondary battery. The non-aqueous electrolytic solution contains a compound(s) represented by the following general formula(e) (A1) and/or (A2). In formula (A1), X1 represents a halogen atom; each of R1, R2, R5 and R6 independently represents a hydrogen atom, a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; and each of R3 and R4 independently represents a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; wherein at least two of R1 to R6 may be bonded to each other to form a ring. In formula (A2), each of X2 and X3 independently represents a halogen atom; and each of R7 to R14 independently represents a hydrogen atom, a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; wherein at least two of R7 to R14 may be bonded to each other to form a ring.
The present invention provides a non-aqueous electrolytic solution which can be handled industrially stably, and which allows for achieving a good durability performance, particularly, a good capacity retention rate during repeated charging and discharging, of an energy device typified by a non-aqueous electrolytic solution secondary battery. The non-aqueous electrolytic solution contains a compound(s) represented by the following general formula(e) (A1) and/or (A2). In formula (A1), X1 represents a halogen atom; each of R1, R2, R5 and R6 independently represents a hydrogen atom, a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; and each of R3 and R4 independently represents a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; wherein at least two of R1 to R6 may be bonded to each other to form a ring. In formula (A2), each of X2 and X3 independently represents a halogen atom; and each of R7 to R14 independently represents a hydrogen atom, a halogen atom, or a hydrocarbon group having 10 or less carbon atoms optionally substituted with a halogen atom; wherein at least two of R7 to R14 may be bonded to each other to form a ring.
The present invention relates to: [1] a non-aqueous electrolyte characterized by containing a compound (A) represented by formula (I); and [2] a non-aqueous electrolyte battery comprising a positive electrode, a negative electrode, and the non-aqueous electrolyte.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
3 or more; and the nonaqueous electrolyte solution includes a monofluorophosphate and/or a difluorophosphate. A total content of the monofluorophosphate and/or difluorophosphate is 0.01% by mass or more in terms of the concentration in the nonaqueous electrolyte solution.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/02 - Electrodes composed of, or comprising, active material
22.
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME
An object of the present invention is to provide a non-aqueous electrolytic solution secondary battery capable of improving low-temperature output characteristics.
An object of the present invention is to provide a non-aqueous electrolytic solution secondary battery capable of improving low-temperature output characteristics.
The problem is solved by a secondary battery including a non-aqueous electrolytic solution containing fluorosulfonic acid ions, difluorophosphate ions, and bisoxalate borate ions, in which [FSO3−]>[PO2F2−]>[BOB−] is satisfied in the non-aqueous electrolytic solution.
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution.
3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.)
6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
Provided are: a non-aqueous electrolyte solution that can suppress the room-temperature and/or low-temperature discharge resistance growth of an energy device; and an energy device that includes the non-aqueous electrolyte solution. A non-aqueous electrolyte solution for an energy device that comprises a positive electrode and a negative electrode. The non-aqueous electrolyte solution is characterized by containing an electrolyte, a non-aqueous solvent, a linear sulfonic acid ester, and at least one compound selected from the group that consists of fluorosulfonates, monofluorophosphates, difluorophosphates, imide salts, and oxalates, the mass ratio of the amount of the linear sulfonic acid ester to the amount of the at least one compound selected from the group that consists of fluorosulfonates, monofluorophosphates, difluorophosphates, imide salts, and oxalates being within a specific range.
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
The present invention relates to a method for producing lithium fluorosulfonate which comprises reacting a lithium salt and fluorosulfonic acid in a nonaqueous solvent, wherein the lithium salt is a lithium salt not generating water through the reaction step.
The present invention relates to: [1] a non-aqueous electrolyte comprising a compound (A) represented by general formula (1), and an anion (B) represented by general formula (2), the mass ratio [(A)/(B)] being 0.01-1.2, inclusive; and [2] a non-aqueous electrolyte battery provided with the non-aqueous electrolyte, a negative electrode, and a positive electrode having positive electrode active material that can store and release lithium ions.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
The present invention relates to: [1] a non-aqueous electrolyte comprising a compound (A) represented by general formula (1), and an anion (B) represented by general formula (2); and [2] a non-aqueous electrolyte battery provided with the non-aqueous electrolyte, a negative electrode, and a positive electrode having positive electrode active material that can store and release lithium ions.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: an acyclic carbonate having a halogen atom, a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
This nonaqueous electrolytic solution is for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode which are capable of occluding and releasing metal ions, and is characterized by comprising: an alkali metal salt; a nonaqueous solvent; a compound represented by general formula (A); and at least one of specific compounds represented by general formula (α) and specific compounds represented by general formula (β).
The present invention is a nonaqueous electrolytic solution characterized by containing an electrolyte, a nonaqueous solvent, and a compound represented by a general formula (A). In formula (A), R1to R3each independently represent a hydrogen atom or a C1-C12 hydrocarbon group, and at least one of R1to R3is a C1-C12 hydrocarbon group. R4to R5each independently represent a hydrogen atom or a C1-C5 hydrocarbon group. R6represents a hydrogen atom, a C1-C12 hydrocarbon group, or a C1-C12 alkoxy group. One of R4and R5and R6 may be bonded to each other and form a ring.
H01M 10/0567 - Liquid materials characterised by the additives
C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
Provided are: a non-aqueous electrolyte solution with which a non-aqueous electrolyte secondary battery having both excellent durability and excellent charging characteristics can be provided; and a non-aqueous electrolyte secondary battery including the same. The non-aqueous electrolyte solution contains: a non-aqueous solvent: a compound represented by the following Formula (1); and at least one heteroatom-containing lithium salt selected from the group consisting of (A) a lithium salt having an F—S bond, (B) a lithium salt having an oxalic acid skeleton, and (C) a lithium salt having P═O and P—F bonds, and the content of the heteroatom-containing lithium salt is 0.001% by mass or more and 5% by mass or less:
Provided are: a non-aqueous electrolyte solution with which a non-aqueous electrolyte secondary battery having both excellent durability and excellent charging characteristics can be provided; and a non-aqueous electrolyte secondary battery including the same. The non-aqueous electrolyte solution contains: a non-aqueous solvent: a compound represented by the following Formula (1); and at least one heteroatom-containing lithium salt selected from the group consisting of (A) a lithium salt having an F—S bond, (B) a lithium salt having an oxalic acid skeleton, and (C) a lithium salt having P═O and P—F bonds, and the content of the heteroatom-containing lithium salt is 0.001% by mass or more and 5% by mass or less:
Provided are: a non-aqueous electrolyte solution with which a non-aqueous electrolyte secondary battery having both excellent durability and excellent charging characteristics can be provided; and a non-aqueous electrolyte secondary battery including the same. The non-aqueous electrolyte solution contains: a non-aqueous solvent: a compound represented by the following Formula (1); and at least one heteroatom-containing lithium salt selected from the group consisting of (A) a lithium salt having an F—S bond, (B) a lithium salt having an oxalic acid skeleton, and (C) a lithium salt having P═O and P—F bonds, and the content of the heteroatom-containing lithium salt is 0.001% by mass or more and 5% by mass or less:
wherein, R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom, or a hydrocarbon group having 1 to 5 carbon atoms and optionally containing a halogen atom.
Provided is a non-aqueous electrolyte solution which can reduce the amount of gas generation during initial conditioning of a non-aqueous electrolyte battery. This non-aqueous electrolyte solution is for a non-aqueous electrolyte battery which includes a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, and the non-aqueous electrolyte solution is characterized by containing an alkali metal salt, a non-aqueous solvent, at least one Si—O structure-containing compound represented by Formula (A) or (B), and a compound represented by Formula (α).
Provided is a non-aqueous electrolyte solution which can reduce the amount of gas generation during initial conditioning of a non-aqueous electrolyte battery. This non-aqueous electrolyte solution is for a non-aqueous electrolyte battery which includes a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, and the non-aqueous electrolyte solution is characterized by containing an alkali metal salt, a non-aqueous solvent, at least one Si—O structure-containing compound represented by Formula (A) or (B), and a compound represented by Formula (α).
Provided is a nonaqueous electrolyte solution which can provide an energy device in which the initial discharge resistance is reduced and the gas generation during storage is inhibited. This nonaqueous electrolyte solution for an energy device including a positive electrode and a negative electrode is characterized by containing a compound represented by the following Formula (1) together with an electrolyte and a nonaqueous solvent:
Provided is a nonaqueous electrolyte solution which can provide an energy device in which the initial discharge resistance is reduced and the gas generation during storage is inhibited. This nonaqueous electrolyte solution for an energy device including a positive electrode and a negative electrode is characterized by containing a compound represented by the following Formula (1) together with an electrolyte and a nonaqueous solvent:
(wherein, X represents an optionally substituted unsaturated hydrocarbon group and at least one unsaturated carbon-carbon bond; Y represents an organic group, which is constituted by atoms selected from the group consisting of a carbon atom, a hydrogen atom, an oxygen atom, a sulfur atom, and a phosphorus atom; R1 represents a hydrogen atom, a halogen atom, or an unsubstituted or halogen atom-substituted hydrocarbon group; R2 represents an unsubstituted or halogen atom-substituted hydrocarbon group; and n represents an integer of 1 to 3).
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
C07F 7/08 - Compounds having one or more C—Si linkages
H01G 11/50 - Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H01G 11/64 - Liquid electrolytes characterised by additives
34.
Non-aqueous liquid electrolyte and non-aqueous liquid electrolyte secondary battery
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01G 11/64 - Liquid electrolytes characterised by additives
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
666 - anions (B) is 0.0001-0.30; and the total amount of the symmetrical chain-form carbonate and the chain-form carboxylic acid ester (C) in which the viscosity at 25°C is 0.01-0.47 cP, relative to the total amount of the non-aqueous liquid electrolyte, is 1-45 mass%.
H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
This non-aqueous electrolyte solution for a power storage device comprises: a non-aqueous solvent with an electrolyte salt dissolved therein; and a phosphonate ester represented by general formula (I). Also provided is a power storage device using this non-aqueous electrolyte solution. (In the formula, R1is a C2-6 alkenyl group or a C3-6 alkynyl group; R2and R3 are each independently a C3-6 alkynyl group.)
This nonaqueous electrolytic solution is for a nonaqueous electrolytic solution battery provided with a negative electrode and a positive electrode capable of occluding and releasing metal ions, wherein the nonaqueous electrolytic solution is characterized by: containing an alkali metal salt and a nonaqueous solvent, and a compound represented by general formula (1); and further containing a compound represented by general formula (α).
Provided is a non-aqueous electrolyte for a non-aqueous electrolyte battery, the non-aqueous electrolyte comprising a positive electrode and a negative electrode which are capable of absorbing and releasing metal ions. The non-aqueous electrolyte is characterized by containing at least one compound selected from among a compound represented by general formula (A), a compound represented by general formula (B), and a compound represented by general formula (C), together with alkali metal salts and a non-aqueous solvent, and further containing a compound represented by general formula (α).
This nonaqueous electrolytic solution is for a nonaqueous electrolytic solution battery provided with a negative electrode and a positive electrode capable of occluding and releasing metal ions, and is characterized by containing a compound represented by general formula (1) together with an alkali metal salt and a nonaqueous solvent. In general formula (1): R1represents a hydrogen atom, a halogen atom, or a monovalent hydrocarbon group optionally having a substituent; R2represents a hydrogen atom, a monovalent hydrocarbon group optionally having a substituent, or an alkoxy group optionally having a substituent; X1represents a divalent hydrocarbon group optionally having a substituent; n1represents 2 or 3; p1represents an integer of 0-2, q1represents an integer of 1-3, and p1+q1equals 2 or 3; two among all R1and all X1optionally bind with each other to form a ring; and A1 represents a divalent or trivalent atomic group represented by general formula (2-1) or represents a trivalent atomic group represented by general formula (3-1).
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in the case of using an energy storage device at a high temperature and at a high voltage and further capable of inhibiting the gas generation while maintaining a capacity retention rate after storage at a high temperature and at a high voltage and also provides an energy storage device using the same. Disclosed is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a carboxylic acid ester compound represented by the following general formula (I).
7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
C07D 327/00 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
C07D 327/10 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms two oxygen atoms and one sulfur atom, e.g. cyclic sulfates
43.
NON-AQUEOUS ELECTROLYTE AND ENERGY DEVICE USING SAID NON-AQUEOUS ELECTROLYTE
Provided is a non-aqueous electrolyte that can be handled stably industrially, and that has good durability in energy devices as represented by a non-aqueous electrolyte secondary battery, particularly capacity retention during repeated charging and discharging. The non-aqueous electrolyte contains a compound represented by general formula (A1) and/or (A2). In formula (A1), X1is a halogen atom, and R1, R2, R5, and R6each independently represent a hydrogen atom, a halogen atom, or a hydrocarbon group of C10 or lower that may be substituted with a halogen atom. R3and R4each independently represent a halogen atom or a hydrocarbon group of C10 or lower that may be substituted with a halogen atom. R1to R6may be bonded to form a ring. In formula (A2), X2and X3each independently are halogen atoms. R7to R14each independently represent a hydrogen atom, a halogen atom, or a hydrocarbon group of C10 or lower that may be substituted with a halogen atom. R7to R14 may also be bonded to form a ring.
Provided is a nonaqueous electrolytic solution secondary battery in which a suppression of self-discharging, a suppression of swelling, a reduction in internal resistance, and a reduction in capacity loss during contact charging can all be achieved. The present invention solves these problems by means of a nonaqueous electrolytic solution secondary battery comprising a positive electrode having a positive electrode active material that can store and release metal ions, a negative electrode having a negative electrode active material that can store and release metal ions, and a nonaqueous electrolytic solution, wherein a metal composite oxide having a high Ni content is used as the positive electrode active material, and a specific compound is included in the nonaqueous electrolytic solution.
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0568 - Liquid materials characterised by the solutes
A task is to provide a non-aqueous electrolytic solution exhibiting excellent cycle capacity maintaining ratio and excellent low-temperature resistance characteristics and a non-aqueous electrolyte secondary battery using the same. An object of the present invention is to provide a non-aqueous electrolytic solution which improves the cycle capacity maintaining ratio and low-temperature resistance characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is a non-aqueous electrolytic solution comprising an electrolyte and a non-aqueous solvent dissolving therein the electrolyte, wherein the non-aqueous electrolytic solution contains a compound represented by formula (1) (wherein X represents an organic group containing a heteroatom, Y represents a sulfur atom, a phosphorus atom, or a carbon atom, n represents an integer of 1 or 2, m represents an integer of 2 to 4, l represents an integer of 1 or 2, and Z represents an organic group having 4 to 12 carbon atoms and optionally having a heteroatom), and a non-aqueous electrolyte secondary battery comprising the non-aqueous electrolytic solution.
C07C 303/28 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof
Provided are: a non-aqueous electrolyte solution that can suppress the room-temperature and/or low-temperature discharge resistance growth of an energy device; and an energy device that includes the non-aqueous electrolyte solution. A non-aqueous electrolyte solution for an energy device that comprises a positive electrode and a negative electrode. The non-aqueous electrolyte solution is characterized by containing an electrolyte, a non-aqueous solvent, a linear sulfonic acid ester, and at least one compound selected from the group that consists of fluorosulfonates, monofluorophosphates, difluorophosphates, imide salts, and oxalates, the mass ratio of the amount of the linear sulfonic acid ester to the amount of the at least one compound selected from the group that consists of fluorosulfonates, monofluorophosphates, difluorophosphates, imide salts, and oxalates being within a specific range.
Provided are: a non-aqueous electrolyte solution which has both durability and charging characteristics and can thus provide an excellent non-aqueous electrolyte secondary battery; and a non-aqueous electrolyte secondary battery using the non-aqueous electrolyte solution. The non-aqueous electrolyte solution includes: a non-aqueous solvent; a compound represented by formula (1); and at least one heteroatom-containing lithium salt selected from the group consisting of (A) a lithium salt having an F-S bond, (B) a lithium salt having an oxalic acid skeleton, and (C) a lithium salt having P=O and P-F bonds, wherein the content of the heteroatom-containing lithium salt is 0.001-5 mass%. (In formula (1), R1represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom or a C1-5 hydrocarbon group which may contain a halogen atom.)
The present invention is a non-aqueous electrolyte solution for use in a power storage device provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte solution in which an electrolyte salt is dissolved in a non-aqueous solvent. The positive electrode includes a positive electrode active material in which the content of Ni atoms with respect to the total amount of atoms of transition metal elements in the positive electrode active material is 50 atomic% or more. The non-aqueous electrolyte solution that is for use in a power storage device is characterized in that the content of a specific compound represented by general formula (I) and including a P=O group and a carbonyl group is 0.001-2 mass%. Also provided is a power storage device. The present invention reduces initial resistance and makes it possible to improve the battery capacity retention rate after storage at high temperatures.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output.
8 are an organic group having 1-12 carbon atoms and symbol A is a group constituted of H, C, N, O, F, S, Si, and/or P.]
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
51.
NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS-ELECTROLYTIC-SOLUTION BATTERY
Provided is a nonaqueous electrolytic solution which can reduce gas evolution during the initial conditioning of nonaqueous-electrolytic-solution batteries. The nonaqueous electrolytic solution is for use in nonaqueous-electrolytic-solution batteries including a positive electrode and a negative electrode which are capable of occluding and releasing metal ions, and is characterized by comprising an alkali metal salt, a nonaqueous solvent, at least one compound represented by general formula (A) or (B) and having an Si-O structure, and a compound represented by general formula (α).
The present invention provides a nonaqueous electrolyte solution which enables the achievement of an energy device that has a reduced initial discharge resistance, while being suppressed in the gas generation during storage. A nonaqueous electrolyte solution for an energy device provided with a positive electrode and a negative electrode, said nonaqueous electrolyte solution being characterized by containing a compound represented by formula (1) together with an electrolyte and a nonaqueous solvent. In the formula, X represents an optionally substituted unsaturated hydrocarbon group having at least one carbon-carbon unsaturated bond and 2 to 5 carbon atoms; Y represents an organic group having 1 to 10 carbon atoms, said organic group being configured of atoms that are selected from the group consisting of carbon atoms, hydrogen atoms, oxygen atoms, sulfur atoms and phosphorus atoms; R1represents a hydrogen atom, a halogen atom or an unsubstituted or halogen atom-substituted hydrocarbon group having 1 to 10 carbon atoms; R2 represents an unsubstituted or halogen atom-substituted hydrocarbon group having 1 to 10 carbon atoms; and n represents an integer from 1 to 3.
Provided is a nonaqueous electrolyte battery in which not only the generation of a gas during high-temperature storage but also an increase in the battery resistance are inhibited. Also provided is a nonaqueous electrolyte solution containing: a compound represented by the following Formula (A); a cyclic carbonate having an unsaturated carbon-carbon bond; and at least one compound selected from the group consisting of compounds represented by the following Formula (B) or (C). In this nonaqueous electrolyte solution, the content of the cyclic carbonate having an unsaturated carbon-carbon bond with respect to a total amount of the nonaqueous electrolyte solution is in a specific range, and the content of the at least one compound selected from the group consisting of compounds represented by Formula (B) or (C) is in a specific range.
Provided is a nonaqueous electrolyte battery in which not only the generation of a gas during high-temperature storage but also an increase in the battery resistance are inhibited. Also provided is a nonaqueous electrolyte solution containing: a compound represented by the following Formula (A); a cyclic carbonate having an unsaturated carbon-carbon bond; and at least one compound selected from the group consisting of compounds represented by the following Formula (B) or (C). In this nonaqueous electrolyte solution, the content of the cyclic carbonate having an unsaturated carbon-carbon bond with respect to a total amount of the nonaqueous electrolyte solution is in a specific range, and the content of the at least one compound selected from the group consisting of compounds represented by Formula (B) or (C) is in a specific range.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C07D 327/00 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
A nonaqueous electrolytic solution including a nonaqueous solvent and a compound represented by Formula (1).
A nonaqueous electrolytic solution including a nonaqueous solvent and a compound represented by Formula (1).
A nonaqueous electrolytic solution including a nonaqueous solvent and a compound represented by Formula (1).
(wherein, in Formula (1), R1 to R5 each independently represent a hydrogen atom or an alkyl group that has 1 to 3 carbon atoms and may have a substituent; R6 is an organic group that has 1 to 8 carbon atoms and may have a hetero atom; X is a carbon atom, a sulfur atom, or a phosphorus atom; when X is a carbon atom, l=0, m=1, and n=1, when X is a sulfur atom, l=0, m=2, and n=1, and when X is a phosphorus atom, l=0, m=1, and n=2 or l=1, m=1, and n=1; k is an integer of 2 to 4; and Y is a direct bond or a linking group that has 1 to 8 carbon atoms and may have a hetero atom, and when Y is a direct bond, the compound has an X—X bond and k=2).
A nonaqueous electrolytic solution including an electrolyte, a nonaqueous solvent, and a compound represented by Formula (1) below.
3 group (where V represents a hydrocarbon group that may have a substituent), an organic onium, or a metal).
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01G 11/60 - Liquid electrolytes characterised by the solvent
H01G 11/64 - Liquid electrolytes characterised by additives
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/02 - Electrodes composed of, or comprising, active material
61.
Nonaqueous electrolytic solution and nonaqueous electrolytic solution secondary battery using same
The present invention relates to a nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that comprises a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains the specific compounds (A) and (B).
H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
62.
Method for producing lithium fluorosulfonate, lithium fluorosulfonate, nonaqueous electrolytic solution, and nonaqueous electrolytic solution secondary battery
An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics. The present invention 1 is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises: a positive electrode being capable of having occluded therein and releasing metal ions; a negative electrode being capable of having occluded therein and releasing metal ions, and comprising a negative electrode active material containing metal particles capable of forming an alloy together with Li and graphite particles; and a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution contains a compound represented by the general formula (A), and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0569 - Liquid materials characterised by the solvents
64.
Non-aqueous electrolyte solution and non-aqueous electrolyte secondary battery employing the same
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
6 independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
The present invention relates to a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing 0.1 to 5% by mass of a compound represented by the following general formula (I) and an energy storage device including the foregoing nonaqueous electrolytic solution. This nonaqueous electrolytic solution is able to improve charging storage properties and discharging storage properties of an energy storage device when used in the high-temperature and high-voltage environment.
2 each independently represent an alkyl group having 1 to 4 carbon atoms.
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0569 - Liquid materials characterised by the solvents
H01G 11/60 - Liquid electrolytes characterised by the solvent
H01M 12/06 - Hybrid cellsManufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
H01G 11/64 - Liquid electrolytes characterised by additives
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
71.
Nonaqueous electrolytic solution and nonaqueous electrolyte secondary battery using the same
A nonaqueous electrolytic solution, containing an electrolyte, a nonaqueous solvent and an aromatic carboxylate ester of formula (1):
1 is an optionally substituted aliphatic hydrocarbon group having 1 to 12 carbon atoms.
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0567 - Liquid materials characterised by the additives
72.
Non-aqueous electrolytic solution for lithium secondary battery or lithium ion capacitor, and lithium secondary battery or lithium ion capacitor using the same
The present invention provides a non-aqueous electrolytic solution for a lithium secondary battery or a lithium ion capacitor, wherein the non-aqueous electrolytic solution includes a lithium salt as dissolved in a non-aqueous solvent in a concentration of 0.8 to 1.5 M (mol/L), the non-aqueous solvent includes, in relation to the whole of the non-aqueous solvent, 5 to 25% by volume of ethylene carbonate, 5 to 25% by volume of propylene carbonate, 20 to 30% by volume of dimethyl carbonate, 20 to 40% by volume of methyl ethyl carbonate, and 10 to 20% by volume of a fluorinated chain ester; the total content of ethylene carbonate and propylene carbonate in the non-aqueous solvent is 20 to 30% by volume, the total content of dimethyl carbonate and the fluorinated chain ester in the non-aqueous solvent is 30 to 40% by volume; and the flash point of the non-aqueous electrolytic solution is 20° C. or higher, and the present invention also provides an energy storage device.
H01G 11/06 - Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in the case of using an energy storage device at a high temperature and at a high voltage and further capable of inhibiting the gas generation while maintaining a capacity retention rate after storage at a high temperature and at a high voltage and also provides an energy storage device using the same. Disclosed is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a carboxylic acid ester compound represented by the following general formula (I).
7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
C07D 327/00 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
C07D 327/10 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms two oxygen atoms and one sulfur atom, e.g. cyclic sulfates
74.
Lithium salt compound, nonaqueous electrolyte solution using same, lithium ion secondary battery and lithium ion capacitor
The present invention is concerned with (1) a lithium salt compound including a lithium cation including, as a ligand, at least one ether compound selected from 2,5,8,11-tetraoxadodecane and 2,5,8,11,14-pentaoxapentadecane and a difluorophosphate anion; (2) a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing the aforementioned lithium salt compound; (3) a lithium ion secondary battery including a positive electrode, a negative electrode, and the aforementioned nonaqueous electrolytic solution; (4) a lithium ion capacitor using the aforementioned nonaqueous electrolytic solution; and (5) a production method of the aforementioned lithium salt compound, including bringing the aforementioned ether compound and lithium difluorophosphate into contact with each other. The nonaqueous electrolytic solution of the present invention is excellent in high-temperature cyclic property and output characteristics after high-temperature cycles and is capable of suppressing metal elution from a positive electrode or the like.
Provided is a non-aqueous electrolyte solution that enables the fabrication of a non-aqueous secondary battery with which gas generation during battery use in high-temperature environments or with continuous charging is suppressed. Also provided is a non-aqueous electrolyte secondary battery that uses this non-aqueous electrolyte solution. The non-aqueous electrolyte solution is used in a non-aqueous electrolyte secondary battery that has a positive electrode having a positive electrode active material capable of absorbing and releasing a metal ion, and a negative electrode having a negative electrode active material capable of absorbing and releasing a metal ion, the non-aqueous electrolyte solution containing a compound represented by formula (1) and a nitrile compound in prescribed contents.
C07F 9/113 - Esters of phosphoric acids with unsaturated acyclic alcohols
C07F 9/12 - Esters of phosphoric acids with hydroxyaryl compounds
C07F 9/117 - Esters of phosphoric acids with cycloaliphatic alcohols
C07D 207/444 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5
C07D 309/32 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0569 - Liquid materials characterised by the solvents
2, and at least one second lithium salt selected from a lithium salt having an oxalate structure, a lithium salt having a phosphate structure, and a lithium salt having an S═O group, with a sum total of the first lithium salt and the second lithium salt being four or more, and an energy storage device using the same.
This nonaqueous electrolytic solution is not only able to improve electrochemical characteristics at a high temperature and much more improve a discharge capacity retention rate and low-temperature output characteristics after a high-temperature storage test but also able to improve low-temperature input characteristics even for high-density electrodes.
An object of the present invention is to provide a non-aqueous electrolytic solution which can improve a non-aqueous electrolyte secondary battery in high-temperature storage characteristics and load characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises a positive electrode and a negative electrode each being capable of having occluded therein and releasing metal ions, wherein the non-aqueous electrolytic solution contains an electrolyte, a non-aqueous solvent, and a compound represented by the following general formula (A):
2, and Y are the same or different.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134 - Electrodes based on metals, Si or alloys
79.
Nonaqueous electrolyte and electricity storing device in which same is used
Disclosed are a non-aqueous electrolytic solution, which can improve cycle characteristics when a power storage device is used at high temperature and high voltage, and a power device using the same. The non-aqueous electrolytic solution according to the present invention comprises, in addition to a non-aqueous solvent and an electrolyte salt dissolved therein, a compound represented by the following formula (I):
wherein n is an integer of 1 or 2; and when n is 1, L represents a straight or branched unsaturated hydrocarbon group of which at least one hydrogen atom is optionally substituted by a halogen atom, a cycloalkyl group of which at least one hydrogen atom is optionally substituted by a halogen atom, or an aryl group of which at least one hydrogen atom is optionally substituted by a halogen atom; and when n is 2, L represents a saturated or unsaturated divalent hydrocarbon group which optionally contains ether bond(s), or an arylene group.
An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics. The present invention 1 is directed to a non-aqueous electrolytic solution for use in a non-aqueous electrolyte secondary battery which comprises: a positive electrode being capable of having occluded therein and releasing metal ions; a negative electrode being capable of having occluded therein and releasing metal ions, and comprising a negative electrode active material containing metal particles capable of forming an alloy together with Li and graphite particles; and a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution contains a compound represented by the general formula (A), and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0569 - Liquid materials characterised by the solvents
81.
Non-aqueous liquid electrolyte and non-aqueous liquid electrolyte secondary battery
A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. The non-aqueous liquid electrolyte of the battery contains carbonate having unsaturated bond and/or halogen and and an anhydride compound.
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
82.
Nonaqueous electrolytic solution and nonaqueous electrolyte secondary battery using the same
A nonaqueous electrolytic solution, containing an electrolyte, a nonaqueous solvent, an aromatic carboxylate ester and a compound is provided. The compound is fluorine-containing cyclic carbonates, sulfur-containing organic compounds, phosphonate esters, cyano group-containing organic compounds, isocyanate group-containing organic compounds, silicon-containing compounds, aromatic compounds, cyclic compounds having a plurality of ether bonds, monofluorophosphate salts, difluorophosphate salts, borate salts, oxalate salts or fluorosulfonate salts.
The present invention provides a nonaqueous electrolytic solution capable of suppressing worsening of heat stability of a negative electrode and improving safety of an energy storage device while maintaining high-load charging and discharging cycle properties at a high temperature, an energy storage device using the same, and a phosphonoformic acid compound to be used for the same. The nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent contains 0.001 to 5% by mass of at least one selected from a phosphonoformic acid compound having at least one carbon-carbon unsaturated bond, which is represented by the following general formula (I), and a phosphonoformic acid compound having a carbon-carbon unsaturated bond or two phosphonocarbonyl groups, which is represented by the following general formula (II).
3 represents a carbon-carbon unsaturated bond-containing aliphatic organic group.
6 may be substituted with a halogen atom.
C07F 9/6571 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
H01G 11/50 - Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
A task is to provide a non-aqueous electrolytic solution exhibiting excellent cycle capacity maintaining ratio and excellent low-temperature resistance characteristics and a non-aqueous electrolyte secondary battery using the same. An object of the present invention is to provide a non-aqueous electrolytic solution which improves the cycle capacity maintaining ratio and low-temperature resistance characteristics, and a non-aqueous electrolyte secondary battery using the non-aqueous electrolytic solution. The present invention is a non-aqueous electrolytic solution comprising an electrolyte and a non-aqueous solvent dissolving therein the electrolyte, wherein the non-aqueous electrolytic solution contains a compound represented by formula (1), and a non-aqueous electrolyte secondary battery comprising the non-aqueous electrolytic solution.
C07C 303/28 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof
An object is to provide a non-aqueous electrolyte solution that can improve the capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries. A further object is to provide a non-aqueous electrolyte battery that uses this non-aqueous electrolyte solution. These objects can be achieved by using a non-aqueous electrolyte solution that incorporates, in prescribed contents, (A) a compound having at least two isocyanate groups per molecule and a compound having at least two cyano groups per molecule.
H01M 6/16 - Cells with non-aqueous electrolyte with organic electrolyte
H01G 11/06 - Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
H01G 11/38 - Carbon pastes or blendsBinders or additives therein
H01G 11/42 - Powders or particles, e.g. composition thereof
H01G 11/60 - Liquid electrolytes characterised by the solvent
H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
2F), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with Li and graphite particles.
H01M 4/46 - Alloys based on magnesium or aluminium
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0569 - Liquid materials characterised by the solvents
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
89.
Nonaqueous electrolyte for secondary battery and nonaqueous-electrolyte secondary battery employing the same
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics at high temperatures and further capable of not only improving a capacity retention rate after a high-temperature cycle test but also decreasing a rate of increase of an electrode thickness, and also to provide an energy storage device using the same. A nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a diisocyanate compound represented by OCN-L-NCO (in the formula, L represents an alkylene group having from 4 to 12 carbon atoms) and further containing from 0.001 to 5% by mass of at least one selected from a specified phosphoric acid ester compound, a specified cyclic sulfonic acid ester compound, a specified isocyanate compound having an ester structure, and a specified triple bond-containing compound, and an energy storage device using the same, are disclosed.
H01M 6/16 - Cells with non-aqueous electrolyte with organic electrolyte
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0569 - Liquid materials characterised by the solvents
Provided are a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of 1,3-dioxane and further containing from 0.001 to 5% by mass of at least one selected from a specified phosphoric acid ester compound, a specified cyclic sulfonic acid ester compound, and a cyclic acid anhydride containing a side chain having allyl hydrogen; and an energy storage device using the same. This nonaqueous electrolytic solution is capable of improving electrochemical characteristics at high temperatures and further capable of not only improving a capacity retention rate after a high-temperature cycle test but also decreasing a rate of increase of an electrode thickness.
H01M 4/134 - Electrodes based on metals, Si or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0568 - Liquid materials characterised by the solutes
A nonaqueous electrolytic solution that can provide a high energy density nonaqueous electrolyte secondary battery having a high capacity, excellent storage characteristics, and excellent cycle characteristics and suppressing the decomposition of an electrolytic solution and the deterioration thereof when used in a high-temperature environment includes an electrolyte, a nonaqueous solvent, and a compound represented by general formula (1):
2 do not simultaneously represent hydrogen atoms.
Provided is a nonaqueous electrolyte solution battery with dramatically improved battery characteristics. A nonaqueous electrolyte solution battery prepared by using a nonaqueous electrolyte solution comprising (I) an aromatic carboxylic acid ester compound represented by General Formula (1) below; and (II) specific compounds, is improved in charge-discharge characteristics at high current densities, durability performance during high-temperature storage and overcharge characteristics.
1; and the case of j=1, k=0 is not allowed).
The present invention includes [1] a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution and being capable of improving electrochemical characteristics in a broad temperature range; and [2] an energy storage device including a positive electrode, a negative electrode, and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a specified acyclic lithium salt in the nonaqueous electrolytic solution.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/52 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
The present invention is to provide: a nonaqueous-electrolyte battery excellent in terms of safety during overcharge and high-temperature storability; and a nonaqueous electrolytic solution which gives the battery. The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte and a nonaqueous solvent, wherein the nonaqueous electrolytic solution comprises at least one of specific compounds.
The present invention relates to a nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that comprises a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains the specific compounds (A) and (B).
H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
100.
Nonaqueous electrolytes and nonaqueous-electrolyte secondary batteries employing the same
A nonaqueous electrolyte containing a monofluorophosphate and/or a difluorophosphate and a compound having a specific chemical structure or specific properties. The nonaqueous electrolyte can contain at least one of a saturated chain hydrocarbon, a saturated cyclic hydrocarbon, an aromatic compound having a halogen atom and an ether having a fluorine atom.
