JP2002063936A - High polymer solid electrolyte and lithium polymer battery using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curing composition for a high polymer solid electrolyte applicable to a lithium polymer battery having characteristics superior in ionic conductivity and also in workability, moldability, mechanical strength and flexibility compared with a conventional solid electrolyte. SOLUTION: This is the curing composition for the high polymer solid electrolyte having (A) to (D) as indispensable components. Here, (A) is poly siloxane having SiH group, (B) is a compound having at least two alkenyl groups, which have a structure selected among groups of benzene ring, siloxy bond, carbonyl group, amide bond and amino group, (C) is a hydrosilylation catalyst, and (D) is an electrolyte salt compound.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a curable composition for a solid polymer electrolyte and a lithium polymer battery using the same. The curable composition for a polymer solid electrolyte of the present invention has excellent processability, and the polymer solid electrolyte obtained from the curable composition of the present invention has high ionic conductivity and has excellent charge / discharge characteristics. It also has good stability against electrochemical oxidation and reduction.

[0002]

2. Description of the Related Art In order to use a polymer electrolyte in a lithium ion battery or an electrochemical device, the polymer electrolyte must have high ionic conductivity in a wide temperature range from low to high and exhibit no crystallinity. Indispensable. However,
A polymer electrolyte satisfying such required performance comprehensively has not been developed so far.

[0003] Electrolyte used for lithium ion batteries, etc.
For example, conventionally, propylene carbonate, ethyl
Organic solvents such as methyl carbonate are widely used
However, these are generally 70 to 9 depending on the relationship between the boiling point and the vapor pressure.
0 ° C is the usage limit in the high temperature range. Recently
Polyethylene is a method to improve the safety of organic solvents such as
Focusing on lenoxide (hereinafter referred to as PEO)
Research on polymer electrolytes has been conducted. PEO is periodic table
Metal salts belonging to Group 1 or 2 such as LiCF _ThreeSO_Three,
LiClO_Four, NaCF_ThreeSO_ThreeForms complex with LiI, etc.
And relatively good ionic conductivity in the temperature range above room temperature
It has good storage stability. However
The ionic conductivity of PEO is highly temperature-dependent,
Demonstrates good ionic conductivity above 20 ° C but below 20 ° C
At a temperature of, the ionic conductivity is significantly reduced. Therefore low temperature
It is difficult to incorporate it into versatile products such as those used in
It was difficult. Improve ionic conductivity using low molecular weight PEO
Low molecular weight on the side chain of vinyl polymer
The method of introducing PEO is described in D. J. Banistar et al.
By Polymer, 25, 1600 (198
Reported in 4). However, this polymer material
Forms a complex with Li salt, but conducts ions at low temperature
The degree was insufficient. In addition, lower polysiloxane side chains
The material into which the molecular weight PEO is introduced is the Journal of
 Power Source,20, 327 (198)
7) and JP-A-63-136409 and JP-A-2-265.
927, but insufficient ionic conductivity
Or amorphous, not easy to formulate, liquid
Poor workability and formability, insufficient mechanical strength, etc.
It has not been put to practical use. Has PEO side chain and SiH group
Having polysiloxane and polyethylene oxide in the main chain
Hydrosilylation crosslinked compound with olefin
As described in JP-A-3-115359, ion
Conductivity 4.9 × 10 ^-6S ・ cm^-1Pretty low
So it was not satisfactory.

[0004]

SUMMARY OF THE INVENTION The present invention provides a curable composition which exhibits high ionic conductivity and provides a solid polymer electrolyte having excellent mechanical strength.

[0005]

The present invention provides (A)
The present invention relates to a curable composition for a solid polymer electrolyte containing (D) as an essential component. (A) a polysiloxane having a SiH group (B) two having a structure selected from the group consisting of a benzene ring, a siloxy bond (a bond composed of Si-O-Si), a carbonyl group, an amide bond, and an amino group Compound having the above alkenyl group (C) Hydrosilylation catalyst (D) Electrolyte salt compound

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [Component A] As the component (A) of the present invention, any conventionally known polysiloxane having an SiH group can be used without limitation.

The polysiloxane as the component (A) has, as a substituent on a silicon atom, polyethylene oxide and / or a cyclic carbonate structure and / or a cyclic ether structure, and has at least two SiH groups. Preferably, there is.

When the polysiloxane as the component (A) has polyethylene oxide as a substituent on the silicon atom, 10% to 95% of the silicon atoms in the polysiloxane as the component (A) It is preferable to have, as a substituent, polyethylene oxide having a degree of polymerization of oxyethylene units of 1 to 12, and 40% to 90% of silicon atoms in the polysiloxane have a degree of polymerization of oxyethylene units of 1 to 12. It is more preferred to have polyethylene oxide as a substituent.

When the polysiloxane as the component (A) has polyethylene oxide as a substituent on a silicon atom, the component (A) preferably has the following structure.

[0010]

Embedded image (Where m and n are each an integer of 1 or more, and p is 1 to 1
It is an integer of 2. R represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms. When n is 2 or more, Rs may be the same or different. Where at least one of R
One is a hydrogen atom. Note that m repeating units and n
The order of the repeating units is random. The component (A) of the present invention has one or more SiH groups in the molecule, but has two or more SiH groups (that is, at least two of R in the above formula are hydrogen). Atom) is more preferable.

When the component (A) is represented by the above formula, the following polyethylene oxide introduction rates (%,
(Hereinafter represented by G) is preferably 10% to 95%, more preferably 40% to 90%. G = [m / (m + n + 2)] × 100 When the polysiloxane as the component (A) has polyethylene oxide as a substituent on a silicon atom, it has polyethylene oxide in the side chain of the polysiloxane. The component (A) has a high dielectric constant, and has excellent ability to dissolve and dissociate the supporting electrolyte. In addition, since siloxane is present in the main chain, the glass transition temperature is low, and ion transfer is facilitated. Such a polymer compound also has high stability at high temperatures. Accordingly, the present invention has achieved the prevention of deterioration at high temperatures and the development of high ionic conductivity at low temperatures, which could not be achieved by conventional polymer electrolytes.

When the polysiloxane as the component (A) has a cyclic carbonate structure in the substituent on the silicon atom, the component (A) preferably has the following structure.

[0013]

Embedded image (In the formula, m and n are each an integer of 1 or more. R represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is 2
In the above case, R may be the same or different. However, at least one of R is a hydrogen atom.
Note that the order of the m repeating units and the n repeating units is not specified. The component (A) of the present invention has one or more SiH groups in the molecule, but has two or more SiH groups (that is, at least two of R in the above formula are hydrogen). Atom) is more preferable.

When the polysiloxane as the component (A) has a cyclic ether structure in the substituent on the silicon atom,
The component (A) preferably has the following structure.

[0015]

Embedded image (In the formula, m and n are each an integer of 1 or more. R represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is 2
In the above case, R may be the same or different. However, at least one of R is a hydrogen atom.
Note that the order of the m repeating units and the n repeating units is not specified. The component (A) of the present invention has one or more SiH groups in the molecule, but has two or more SiH groups (that is, at least two of R in the above formula are hydrogen). Atom) is more preferable.

When the polysiloxane as the component (A) has a cyclic carbonate structure or a cyclic ether structure in the substituent on the silicon atom, the dielectric constant of the component (A) increases, and the supporting electrolyte is dissolved and dissociated. Excellent ability to do.
In addition, since siloxane is present in the main chain, the glass transition temperature is low, and ion transfer is facilitated. Such a polymer compound also has high stability at high temperatures. Accordingly, the present invention has achieved the prevention of deterioration at high temperatures and the development of high ionic conductivity at low temperatures, which could not be achieved by conventional polymer electrolytes.

The polysiloxane as the component (A) of the present invention has a weight average molecular weight Mw (in terms of polystyrene) of 600 to 600.
100000, preferably 2000 to 100
More preferably, 000. [Component B] The component (B) of the present invention has a structure selected from the group consisting of a benzene ring, a siloxy bond (a bond composed of Si—O—Si), a carbonyl group, an amide bond, and an amino group. As long as the compound has two or more alkenyl groups, conventionally known compounds can be used without limitation.

The preferred molecular weight of the component (B) is 80.
It is in the range of ~ 1000.

Specific examples of component (B) include bisphenol A diallyl ether, 2,2'-diallylbisphenol A, diallylamine, divinylbenzene, diallyl malate, 1,3-diallyl urea, diallyl succinate, diallyl carbonate, Diallyl dicarbonate, diallyl phthalate, 1,3-divinyl-1,1,1
Examples thereof include 3,3-tetramethyldisiloxane, 1,3-divinyl-1,1,3,3-tetramethyldisilazane, and an allyl-terminated acrylic polymer. [Component C] As the component (C) of the present invention, any conventionally known hydrosilylation catalyst can be used without limitation.

The component (C) is preferably selected from a platinum compound, a ruthenium compound and a rhodium compound, and more preferably a platinum compound.

Preferred as the component (C) are, for example, platinum vinyl siloxane, chloroplatinic acid, Pt (CO
D) _{2 and the} like. [Component D] As the component (D) of the present invention, any conventionally known electrolyte salt compounds can be used without limitation.

The component (D) includes a cation selected from the group consisting of a metal cation, an ammonium ion, an amidinium ion, and a guanidinium ion; a chloride ion, a bromine ion, an iodine ion, a perchlorate ion; Thiocyanate ion, tetrafluoroborate ion, nitrate ion, AsF ₆ ⁻ , PF ₆ −, stearyl sulfonate ion, octyl sulfonate ion, dodecylbenzene sulfonate ion, naphthalene sulfonate ion, dodecylnaphthalene sulfonate ion, R ¹ SO ₃ ^-, (R ¹ S
O ₂ ) (R ² SO ₂ ) N ⁻ and (R ¹ SO ₂ ) (R ² SO ₂ )
(R ³ SO ₂₎ C ^- [R ^1, R ^2, R ³ represents an electron-withdrawing group. And an anion selected from the group consisting of

Further, R ¹ SO ₃ ⁻ , (R ¹ SO ₂ ) (R ² SO
₂₎ N ^-, and _{^{(R 1 SO 2) (R}} 2 SO 2) (R 3 SO 2) C
^- , R ¹ , R ² and R ³ in each independently have 1 to 6 carbon atoms.
Up to perfluoroalkyl or perfluoroaryl groups.

The metal cation of the component (D) includes metals belonging to Group 1 or 2 of the periodic table, transition metals, Mn, Fe, Co,
It is preferably a cation of a metal selected from Ni, Cu, Zn and Ag metals, and particularly preferably a Li ion.

As the component (D), specifically, LiC
10 ₄ , LiPF ₆ , LiBF ₄ , LiCF ₃ SO ₃ , Li
N (CF ₃ SO ₂ ) ₂ or Li (C ₂ F ₅ SO ₂ ) ₂ is particularly preferred. In the curable composition for a solid polymer electrolyte of the present invention, the molar ratio between the component (A) and the component (B) is 0.01 to 0.01.
It is preferably 5.0, more preferably 0.0
5 to 3.0. The hydrosilylation catalyst of the component (C) is used in an amount of 0.000 to 1 mol of the double bond of the component (B).
It is preferably from 001 to 0.1 mol, more preferably from 0.00001 to 0.01 mol. The electrolyte salt compound as the component (D) is preferably contained in an amount of 0.01 to 10 mmol, more preferably 0.10 to 5.0 mmol, in 1 g of the curable composition for a solid polymer electrolyte. Range.

The curable composition for a polymer solid electrolyte of the present invention has a sufficient ionic conductivity. However, when a higher ionic conductivity is required, for example, propylene carbonate, ethylene carbonate, diethyl carbonate, dimethyl carbonate , Ethyl methyl carbonate, γ-
An organic electrolyte such as butyrolactone, 1,3-dioxolan, dimethoxyethane, tetrahydrofuran, dimethyl sulfoxide, and polyethylene glycol dimethyl ether may be added. Further, a polymer compound, another amphiphilic compound and the like may be added. The amount of the organic electrolytic solution is preferably from 10 to 90%, more preferably from 30 to 70%, based on the component (A), from the viewpoint of achieving a balance between ionic conductivity and strength.

The curable composition for a solid polymer electrolyte of the present invention has a three-dimensional network structure which is crosslinked by a hydrosilylation reaction. Therefore, prevention of fluidity, improvement of mechanical strength, processability and
It is possible to achieve an improvement in formability. [Method for producing solid electrolyte] SiH as component (A) of the present invention
The polysiloxane having a group is synthesized, for example, by the following method, but is not limited to this method.

A hydrosilylation catalyst and polyethylene oxide having a terminal olefin are added dropwise to the polyorganohydrogensiloxane in a solvent to hydrosilylate, and after sufficient stirring, the solvent is removed under reduced pressure to convert the polyethylene oxide into a substituent. Is obtained. The weight average molecular weight Mw (in terms of polystyrene) of the polysiloxane used here is from 2000 to 1
00000 is preferred. The solvent used here is not particularly limited, but preferred examples include toluene. Although the reaction temperature is not particularly limited, it is preferable to carry out the reaction at room temperature to 100 ° C. The ratio of the polyethylene oxide having a terminal olefin to be added and the SiH group in the polysiloxane (the molar ratio of olefin group / SiH group) is 0.10.
It is preferably in the range of ０．９0.95. And 0.4
It is preferably in the range of 0 to 0.90. Particularly preferred is a range of 0.50 to 0.85. The hydrosilylation catalyst is not particularly limited, but is preferably a platinum compound, a rhodium compound, or a ruthenium compound. Examples include platinum vinyl siloxane, chloroplatinic acid, and the like.

The process of the present invention can be carried out in a batch, semi-batch or continuous mode. The reaction vessel can be, for example, a continuous stirred tank reaction vessel. This method is preferably performed in a batch system or a continuous system.

The (A) polysiloxane having a structure selected from the group consisting of a benzene ring, a siloxy bond, a carbonyl group, an amide bond, and an amino group is added to (A) the polysiloxane having a SiH group obtained in this manner. A compound having at least two alkenyl groups, (C) a hydrosilylation catalyst,
(D) A film for a solid polymer electrolyte can be obtained by heating after mixing the electrolyte salt compound. The temperature of the curing reaction is not particularly limited,
The range from room temperature to 150 ° C is preferable, and the range from room temperature to 120 ° C is more preferable. Particularly preferably, 70 ° C to 100 ° C
C. is preferred.

The method for producing the curable composition for a solid polymer electrolyte in the present invention is not particularly limited. Also, the type of reaction vessel is not important. However, in order to prevent side reactions, the reaction is preferably performed in a reaction vessel formed of a non-reactive material. [Preparation of Battery] When the curable composition for a polymer solid electrolyte described in the present invention is used, a large area thin film solid electrolyte having flexibility, which is an advantage of a polymer, can be easily obtained. It is possible to produce a lithium polymer battery using the solid electrolyte described in the present invention. In this case, preferable examples of the positive electrode material include, for example, lithium-manganese composite oxide, lithium cobaltate, vanadium pentoxide, polyacene, polypyrene, polyaniline, polyphenylene, polyphenylene sulfide, polyphenylene oxide, polypyrrole, polyfuran, polyazulene, and other sulfur compounds. And the like. Preferred examples of the negative electrode material include lithium metal, an intercalation compound in which lithium is occluded between graphite or carbon layers, and a lithium-lead alloy. In addition, the solid electrolyte of the present invention may be used as a diaphragm for ion electrodes of cations such as alkali metal ions, Cu ions, Ca ions, and Mg ions by utilizing the high electrical conductivity.

[0032]

EXAMPLES Next, examples of the present invention will be described specifically, but the present invention is not limited to the following examples. Example 1 A reaction vessel was charged with 4 g of polymethyl hydrogen siloxane, about 10 g of toluene and 1.2 × 10 ⁻³ mmol of platinum vinyl siloxane, and stirred at a reaction temperature of 80 ° C. 24 g (58) of polyethylene oxide having an allyl group at a terminal and having an average molecular weight of about 400 in this mixture.
mmol) was added dropwise. Three hours after the completion of the dropwise addition, the reaction was terminated, and toluene was removed under reduced pressure. As a result, a polysiloxane in which the introduction ratio of polyethylene oxide (the ratio of silicon atoms having polyethylene oxide as a substituent to all silicon atoms of the polysiloxane) was 74% was obtained. Bisphenol A diallyl ether 7 was added to 3.0 g of the obtained polyethylene oxide-modified polysiloxane.
3 mg (0.24 mmol), 7.2 × 10 ^-4 mmol of platinum vinyl siloxane and 108 mg of LiClO ₄
(1.0 mmol) dissolved in about 1 ml of THF was mixed and heated at 80 ° C. for 4 hours using a press machine. As a result, a colorless and transparent thin film substance was obtained. The ionic conductivity of the obtained thin film material was calculated by a complex impedance method using an alternating current method with a voltage of 0.5 V and a frequency range of 42 Hz to 5 MHz using platinum as an electrode. as a result,
The ionic conductivity at 25 ° C. is 1.5 × 10 ⁻⁴ S / cm
Met. Example 2 Polyethylene-modified polysiloxane obtained in the same manner as in Example 1 (modification ratio: 50
%) Dissolved in about 1 ml of acetonitrile in 3.0 g of Li (CF ₃ SO ₂ ) ₂ N 947 mg (Li / EO =
0.08) was dissolved. To this solution, 131 mg (0.43 mmol) of bisphenol A diallyl ether and 20 × 10 ⁻⁴ mmol of platinum vinyl siloxane were mixed, and the mixture was removed. The above solution was impregnated into a polypropylene nonwoven fabric as a reinforcing material, and cured in air at 90 ° C. for 6 hours. By the above procedure, an electrolyte membrane having a thickness of 130 μm was obtained. Was prepared (Example 3) [LiCoO ₂ Fabrication of positive electrode] The following polymer electrolyte impregnating LiCoO ₂ positive electrode. Electrode composition: LiCoO ₂ : graphite: acetylene black: PVdF = 87: 9: 1: 3 ・ Electrode density: 2.68 g / cc (porosity 38%) ・ Electrode thickness: 51 μm ・ Electrode conductivity: 1.2 × The LiCoO ₂ cathode for impregnation at 10 ⁻² S / cm was immersed in the uncrosslinked polymer solution described in Example 2 and vacuum impregnated under reduced pressure for 1 hour. 90 ° C, 6
Density: 3.12 by curing in air for hours
g / cc and a positive electrode having an electrode conductivity of 8.8 × 10 ⁻³ S / cm were obtained. (Example 4) [Trial production of battery] Positive electrode: LiCoO ₂ electrode prepared in Example 3 1.0
× 1.0 cm ² · Negative electrode: lithium metal, area 1.2 × 1.2 cm ² · Electrolyte membrane: Electrolyte membrane prepared in Example 2 Thickness 13
A lithium polymer battery was manufactured with a configuration of 0 μm. [Initial AC Impedance Characteristics] For the battery prepared above, frequency: 20000 to 0.1 Hz, ΔV: 10
The initial AC impedance characteristics were evaluated at mV, temperature: 25 ° C, and 60 ° C. The results are shown in Table 1, FIG. 1 and FIG.

[0033]

[Table 1] The bulk resistance due to the electrolyte is 81Ω · cm ² at 25 ° C.
(Ionic conductivity: 1.6 × 10 ⁻⁴ S / cm), 8 Ω · cm ² at 60 ° C. (Ionic conductivity: 1.6 × 10 ⁻³ S / c)
m). The interface resistance attributable to the lithium interface is 355 Ω · cm ² at 25 ° C. (ionic conductivity: 1.3 × 10 ⁻⁴ S / cm) and 53 Ω · cm at 60 ° C.
^It showed a good value of ² . [Initial charge / discharge characteristics] The initial charge / discharge characteristics of the battery prepared above were evaluated under the following conditions.・ Measurement temperature: 60 ° C. ・ Charge / discharge conditions Charge; constant current (0.1 CA: 0.16 mAh / cm ² ) Constant voltage (4.2 V vs Li / Li ⁺ ) 12 hours Discharge; constant current (0.1 CA: 0) .16 mAh / cm ² ) Termination (3.0 V vs Li / Li ⁺ ) The initial charge / discharge curve is shown in FIG. Initial capacity is 127mA
h / g, the initial efficiency was 84.5%, and charge / discharge was possible. Fig. 4 shows the impedance characteristics after one cycle.
It was shown to. The charge and discharge generated a resistance of 187Ω due to the positive electrode interface. [Storage Characteristics] The storage characteristics of the batteries prepared above were evaluated at 60 ° C. in a charged state. The impedance measurement results after 200 hours and 500 hours are shown in FIGS.

[0034]

[Table 2] After storage for 500 hours, no change in bulk resistance was observed. The interface resistance is considered to be attributable to the lithium side (reduction side).
The resistance component considered to be attributable to the positive electrode side (oxidized side) is 1.4 times that of 8Ω to 95Ω.
Although it increased by 1.3 times to Ω, it had basic stability against electrochemical oxidation and reduction. The charge-discharge characteristics after storage were the same as those at the beginning, and no significant deterioration was observed.

[0035]

The curable composition for a solid polymer electrolyte of the present invention has excellent processability, and the polymer solid electrolyte obtained from the curable composition for a solid polymer electrolyte of the present invention has an ionic conductivity. It is high, has low temperature dependence, and has sufficient mechanical strength. In addition, a lithium polymer battery manufactured using the solid polymer electrolyte has excellent electrochemical characteristics.

[Brief description of the drawings]

FIG. 1 is a diagram showing a Cole-Cole plot at 25 ° C. of a lithium polymer battery using a solid polymer electrolyte of the present invention.

FIG. 2 is a diagram showing a Cole-Cole plot at 60 ° C. of a lithium polymer battery using the solid polymer electrolyte of the present invention.

FIG. 3 is a graph showing the oxidation-reduction reaction characteristics of a lithium polymer battery using the solid polymer electrolyte of the present invention.

FIG. 4 shows a Col at 60 ° C. after one cycle of charge / discharge of a lithium polymer battery using the polymer solid electrolyte of the present invention.
It is a figure showing an e-Cole plot.

FIG. 5 is a diagram showing a Cole-Cole plot at 60 ° C. after storage at 60 ° C./200 hours of a lithium polymer battery using the solid polymer electrolyte of the present invention.

FIG. 6 is a diagram showing a Cole-Cole plot at 60 ° C. after storage at 60 ° C./500 hours of a lithium polymer battery using the solid polymer electrolyte of the present invention.

FIG. 7 is a graph showing the oxidation-reduction reaction characteristics of a lithium polymer battery using the polymer solid electrolyte of the present invention after storage at 60 ° C. for 500 hours.

Claims (18)

[Claims] 1. A curable composition for a solid polymer electrolyte comprising (A) to (D) as essential components. (A) a polysiloxane having a SiH group (B) an organic group selected from the group consisting of a benzene ring, a siloxy bond (a bond composed of Si-O-Si), a carbonyl group, an amide bond, and an amino group; Compound having at least two alkenyl groups (C) Hydrosilylation catalyst (D) Electrolyte salt compound 2. The solid polymer electrolyte according to claim 1, wherein the polysiloxane as the component (A) has polyethylene oxide as a substituent on a silicon atom and has two or more SiH groups. Curable composition. 3. The polymer solid according to claim 1, wherein the polysiloxane as the component (A) has a cyclic carbonate structure in a substituent on a silicon atom and has two or more SiH groups. Curable composition for electrolytes. 4. The method according to claim 1, wherein 10% to 95% of the silicon atoms in the polysiloxane as the component (A) have, as a substituent, polyethylene oxide having a degree of polymerization of oxyethylene units of 1 to 12. Item 3. The curable composition for a solid polymer electrolyte according to Item 2. 5. The polysiloxane as component (A), wherein 40% to 90% of silicon atoms have, as a substituent, polyethylene oxide having a degree of polymerization of oxyethylene units of 1 to 12. Item 3. The curable composition for a solid polymer electrolyte according to Item 2. 6. Component (B) is bisphenol A diallyl ether, 2,2′-diallylbisphenol A, diallylamine, divinylbenzene, diallyl malate,
1,3-diallyl urea, diallyl succinate, diallyl carbonate, diallyl dicarbonate, diallyl phthalate, 1,3-divinyl-1,1,3,3-tetramethyldisiloxane, 1,3-divinyl-1,1,1
The curable composition for a solid polymer electrolyte according to any one of claims 1 to 5, which is selected from the group consisting of 3,3-tetramethyldisilazane and an allyl-terminated acrylic polymer. 7. The hydrosilylation catalyst as the component (C),
The curable composition for a solid polymer electrolyte according to any one of claims 1 to 6, wherein the curable composition is selected from the group consisting of a platinum compound, a ruthenium compound, and a rhodium compound. 8. The electrolyte salt compound as the component (D) is a metal salt.
Cation, ammonium ion, amidinium ion,
And cations selected from the group consisting of guanidinium ions
And chlorine ion, bromide ion, iodine ion, perchloric acid
Ion, thiocyanate ion, tetrafluoroboronic acid
Ion, nitrate ion, AsF₆ ^-, PF₆―, Stearyl
Sulfonate ion, octyl sulfonate ion, dodecyl
Benzenesulfonate ion, naphthalenesulfonate ion
On, dodecylnaphthalenesulfonate ion, R¹SO_Three
^-, (R¹SO_Two) (R^TwoSO_Two) N^-, And (R¹SO_Two)
(R^TwoSO_Two) (R ^ThreeSO_Two) C^-[R¹, R^Two, R^ThreeIs electron absorption
Shows an attractive group. Anions selected from the group consisting of
The compound according to any one of claims 1 to 7, wherein
A curable composition for a solid polymer electrolyte according to any one of the above. 9. The curing for a solid polymer electrolyte according to claim 8, wherein R ¹ , R ² , and R ³ are perfluoroalkyl groups or perfluoroaryl groups having 1 to 6 carbon atoms. Composition. 10. The curable composition for a solid polymer electrolyte according to claim 8, wherein the metal cation is a cation of a metal selected from metals belonging to Group 1 or 2 of the periodic table. 11. The curable composition for a solid polymer electrolyte according to claim 8, wherein the metal cation is Li ⁺ . 12. The electrolyte compound salt as the component (D) is L
iClO ₄ , LiPF ₆ , LiBF ₄ , LiCF ₃ SO ₃ ,
_{LiN (CF 3 SO 2) 2} , or _{Li (C 2 F 5 SO 2} ) according to claim 8 solid polymer electrolyte curable composition, wherein a are those selected from the group consisting of _2. 13. The curable composition for a solid polymer electrolyte according to claim 8, wherein the metal cation is a cation of a transition metal. 14. The method according to claim 14, wherein the metal cation is Mn, Fe, Co, N
The curable composition for a polymer solid electrolyte according to claim 8 or 9, wherein the curable composition is a cation of a metal selected from the group consisting of i, Cu, Zn, and Ag metals. 15. An electrolyte salt compound as the component (D) is contained in an amount of 0.10 to 5.0 mmol per 1 g of the curable composition for a solid polymer electrolyte. The curable composition for a solid polymer electrolyte according to any one of the above. 16. A lithium polymer battery in which a cured product obtained by curing the curable composition for a solid polymer electrolyte according to claim 1 is disposed as an electrolyte between a negative electrode and a positive electrode. 17. The method according to claim 17, wherein the negative electrode is metallic lithium, a lithium alloy,
17. The lithium polymer battery according to claim 16, wherein the lithium polymer battery is at least one selected from the group consisting of an inorganic material storing lithium and a carbon material storing lithium. 18. The curable composition for a solid polymer electrolyte according to claim 1, wherein propylene carbonate, ethylene carbonate, diethyl carbonate, dimethyl carbonate, ethyl methyl carbonate, γ-butyrolactone, 1,3-dioxolane, dimethoxy At least one organic electrolyte selected from the group consisting of ethane, tetrahydrofuran, dimethyl sulfoxide and polyethylene glycol dimethyl ether is added, and a cured product obtained by curing the composition is distributed as an electrolyte between the negative electrode and the positive electrode. Gelled lithium polymer battery.