JP2016167408A5

JP2016167408A5 -

Info

Publication number: JP2016167408A5
Application number: JP2015047042A
Authority: JP
Filing date: 2015-03-10
Publication date: 2018-01-25
Anticipated expiration: 2035-03-10

Claims

A chain carbonate represented by the following general formula (1-1) or an ester represented by the following general formula (1-2) ,
For a metal salt having an alkali metal, alkaline earth metal or aluminum as a cation and having a chemical structure represented by the following general formula (2) as an anion,
Electrolyte characterized by being contained by molar ratio 1-3.
R ¹⁰ OCOOR ¹¹ general formula (1-1)
R ¹² COOR ¹³ general formula (1-2)
(R ¹⁰ , R ¹¹ , R ¹² , and R ¹³ are each independently C _n H _a F _b Cl _c Br _d I _e , which is a chain alkyl, or C _m H _f F containing a cyclic alkyl in the chemical structure. _g Cl _h Br _i I _j , n is an integer of 1 or more, m is an integer of 3 or more, a, b, c, d, e, f, g, h, i, j are each It is an integer of 0 or more independently and satisfies 2n + 1 = a + b + c + d + e, 2m −1 = f + g + h + i + j.
However, R ¹⁰ or R ¹¹ satisfies b ≧ 1 or g ≧ 1, and R ¹² or R ¹³ satisfies b ≧ 1 or g ≧ 1. )
(R ²¹ X ²¹ ) (R ²² SO ₂ ) N General formula (2)
(R ²¹ is hydrogen, halogen, an alkyl group which may be substituted with a substituent, a cycloalkyl group which may be substituted with a substituent, an unsaturated alkyl group which may be substituted with a substituent, or a substituent. An unsaturated cycloalkyl group which may be substituted with, an aromatic group which may be substituted with a substituent, a heterocyclic group which may be substituted with a substituent, or an alkoxy group which may be substituted with a substituent , An unsaturated alkoxy group that may be substituted with a substituent, a thioalkoxy group that may be substituted with a substituent, an unsaturated thioalkoxy group that may be substituted with a substituent, CN, SCN, or OCN Is done.
R ²² represents hydrogen, halogen, an alkyl group which may be substituted with a substituent, a cycloalkyl group which may be substituted with a substituent, an unsaturated alkyl group which may be substituted with a substituent, or a substituent. An unsaturated cycloalkyl group which may be substituted, an aromatic group which may be substituted with a substituent, a heterocyclic group which may be substituted with a substituent, an alkoxy group which may be substituted with a substituent, It is selected from an unsaturated alkoxy group that may be substituted with a substituent, a thioalkoxy group that may be substituted with a substituent, an unsaturated thioalkoxy group that may be substituted with a substituent, CN, SCN, or OCN The
R ²¹ and R ²² may combine with each other to form a ring.
X ²¹ is selected from SO ₂ , C = O, C = S, R ^a P = O, R ^b P = S, S = O, and Si = O.
R ^a and R ^b are each independently hydrogen, halogen, an alkyl group that may be substituted with a substituent, a cycloalkyl group that may be substituted with a substituent, or a group that may be substituted with a substituent. A saturated alkyl group, an unsaturated cycloalkyl group that may be substituted with a substituent, an aromatic group that may be substituted with a substituent, a heterocyclic group that may be substituted with a substituent, and a substituent An alkoxy group which may be substituted, an unsaturated alkoxy group which may be substituted with a substituent, a thioalkoxy group which may be substituted with a substituent, an unsaturated thioalkoxy group which may be substituted with a substituent, OH , SH, CN, SCN, and OCN.
R ^a and R ^b may combine with R ²¹ or R ²² to form a ring. )

Chain carbonates represented by the general formula (1-1), or, relative to the total solvent ester represented by the general formula (1-2) is contained in the electrolytic solution, contained in 50% or more by volume The electrolyte solution according to claim 1.

The electrolytic solution according to claim 1, wherein the R ¹⁰ , R ¹¹ , R ¹² , and R ¹³ are as follows.
(R ¹⁰ , R ¹¹ , R ¹² and R ¹³ are each independently selected from C _n H _a F _b which is a chain alkyl or C _m H _f F _g containing a cyclic alkyl in the chemical structure. N is an integer of 1 or more, m is an integer of 3 or more, a, b, f, and g are each independently an integer of 0 or more, and satisfy 2n + 1 = a + b and 2m −1 = f + g.
However, R ¹⁰ or R ¹¹ satisfies b ≧ 1 or g ≧ 1, and R ¹² or R ¹³ satisfies b ≧ 1 or g ≧ 1. )

Formula (1-1) or the general formula (1-2) n about the is of 1 to 6. The integers, m is as defined in claim 1 which is 3 to 8 integer Electrolytic solution.

The electrolytic solution according to any one of claims 1 to 4, wherein a chemical structure of an anion of the metal salt is represented by the following general formula (2-1).
(R ²³ X ²² ) (R ²⁴ SO ₂ ) N Formula (2-1)
(R ²³ and R ²⁴ are each independently C _n H _a F _b Cl _c Br _d I _e (CN) _f (SCN) _g (OCN) _h ).
n, a, b, c, d, e, f, g, and h are each independently an integer of 0 or more, and satisfy 2n + 1 = a + b + c + d + e + f + g + h.
R ²³ and R ²⁴ may combine with each other to form a ring, in which case 2n = a + b + c + d + e + f + g + h is satisfied.
X ²² _{^{is, SO 2, C = O,}} C = S, R c P = O, R d P = S, S = O, is selected from Si = O.
R ^c and R ^d are each independently hydrogen, halogen, an alkyl group that may be substituted with a substituent, a cycloalkyl group that may be substituted with a substituent, or a group that may be substituted with a substituent. A saturated alkyl group, an unsaturated cycloalkyl group that may be substituted with a substituent, an aromatic group that may be substituted with a substituent, a heterocyclic group that may be substituted with a substituent, and a substituent An alkoxy group which may be substituted, an unsaturated alkoxy group which may be substituted with a substituent, a thioalkoxy group which may be substituted with a substituent, an unsaturated thioalkoxy group which may be substituted with a substituent, OH , SH, CN, SCN, and OCN.
R ^c and R ^d may combine with R ²³ or R ²⁴ to form a ring. )

The electrolyte solution in any one of Claims 1-5 by which the chemical structure of the anion of the said metal salt is represented by the following general formula (2-2).
(R ²⁵ SO ₂ ) (R ²⁶ SO ₂ ) N Formula (2-2)
(R ²⁵ and R ²⁶ are each independently C _n H _a F _b Cl _c Br _d I _e .
n, a, b, c, d, and e are each independently an integer of 0 or more, and satisfy 2n + 1 = a + b + c + d + e.
R ²⁵ and R ²⁶ may combine with each other to form a ring, in which case 2n = a + b + c + d + e is satisfied. )

N in the general formula (2-1) or the general formula (2-2) is an integer of 0 to 6, and R ²³ and R ^{24 in} the general formula (2-1) or the general formula (2-2). The electrolyte solution according to claim 5 or 6, wherein n is an integer of 1 to 8 when R ²⁵ and R ²⁶ are bonded to form a ring.

The electrolytic solution according to claim 1, wherein the molar ratio is in a range of 1.5 to 2.5.

The electrical storage apparatus which comprises the electrolyte solution in any one of Claims 1-8.

The power storage device according to claim 9, wherein the power storage device is a secondary battery.

The power storage device according to claim 10, comprising a positive electrode active material having a reaction potential of 4.5 V or more based on Li.

The power storage device according to claim 10 or 11, comprising a metal oxide having a spinel structure as a positive electrode active material.

The electrical storage apparatus in any one of Claims 9-12 which comprises the positive electrode electrical power collector made from aluminum.

The power storage device according to claim 9, wherein the power storage device is a capacitor.