Nonaqueous electrolyte solution for secondary battery, and secondary battery provided with said solution
Provided are a nonaqueous electrolytic solution for a secondary battery that exhibits excellent cycle characteristics even in high temperature environment, and a secondary battery including the same. The nonaqueous electrolytic solution for a secondary battery of the present invention is a nonaqueous electrolyte solution for a secondary battery which is used for a secondary battery, including at least one component (A) represented by the following chemical formula (1): in which M n+ represents at least one selected from the group consisting of a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion and an onium ion, X represents a halogen atom, R 1 represents a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and n represents a valence.
1. A nonaqueous electrolytic solution for a secondary battery which is used for a secondary battery comprising an electrolyte and a nonaqueous solvent, and comprising at least one component (A) below and comprising at least one component (B) below as additives, apart from the electrolyte and the nonaqueous solvent,
component (A): a compound represented by the following chemical formula (1):
in which M n+ represents at least one selected from the group consisting of a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion and an onium ion, X represents a halogen atom, R 1 represents a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and n represents a valence, and
component (B): N,N-dimethylacetoacetamide,
wherein an addition amount of the component (B) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
2. The nonaqueous electrolyte solution for a secondary battery according to claim 1 , wherein an addition amount of the component (A) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
3. The nonaqueous electrolytic solution for a secondary battery according to claim 1 , wherein the component (A) is lithium ethyl monofluorophosphate.
4. A secondary battery comprising the nonaqueous electrolyte solution for a secondary battery according to claim 1 , comprising a positive electrode and a negative electrode.
5. The secondary battery according to claim 4 , wherein an addition amount of the component (A) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for the secondary battery.
6. A nonaqueous electrolytic solution for a secondary battery which is used for a secondary battery comprising an electrolyte and a nonaqueous solvent, and comprising at least one component (A) below and comprising at least one of the following component (B) below as additives, apart from the electrolyte and the nonaqueous solvent,
component (A): a compound represented by the following chemical formula (1):
in which M n+ represents at least one selected from the group consisting of a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion and an onium ion, X represents a halogen atom, R 1 presents a hydrocarbon group having 11 to 20 carbon atoms, or a hydrocarbon group having 11 to 20 carbon atoms and having at east any one of a halogen atom, a heteroatom or an unsaturated bond, and n represents a valence, and
component (B): a boron complex salt represented by the following chemical formula (2), or a boric acid ester, an acid anhydride, a cyclic carbonate having an unsaturated bond, a cyclic carbonate having a halogen atom, a cyclic sulfonic acid ester, amines having an acetoacetyl group represented by the following chemical formula (3), and at least one compound selected from the group consisting of phosphorus compounds represented by the following chemical formula (4) to (6):
in which M n+ represents a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion or an onium ion, X 1 to X 4 are independent of each other, and optionally selected one or two combinations form a cyclic structure of —OOC—Y—COO—, —O—Y—O— or —OOC—Y—O— in which Y represents a hydrocarbon group having 0 to 20 carbon atoms, or a hydrocarbon group having 0 to 20 carbon atoms and having a heteroatom, an unsaturated bond, or a cyclic structure, or X 1 to X 4 each independently represent a halogen atom, an alkyl group having 0 to 20 carbon atoms, an alkoxy group having 0 to 20 carbon atoms, an alkyl group having 0 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, or an alkoxy group having 0 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and n represents a valence,
in which R 2 and R 3 each independently represent a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having a halogen atom, a heteroatom or an unsaturated bond,
in which M n+ represents a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion or an onium ion, A 1 and A 2 each independently represent an oxygen atom, a sulfur atom or a selenium atom, X 5 and X 6 each independently represent a halogen atom, an alkyl group having 1 to 20 carton atoms, or an alkyl group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, or X 5 and X 6 represent any one of an alkyl group having 1 to 20 carbon atoms, or an alkyl group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and are coupled to each other to form a cyclic structure, and n represents a valence,
in which M n+ represents a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion or an onium ion, X 7 to X 12 each independently represent a halogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, an alkylthio group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, an alkylthio group having 1 to 20 carbon atoms, or an alkylthio group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, or at least one of combinations optionally selected from X 7 to X 12 forms a cyclic structure of —OOC—Z—COO—, —OOC—Z—O— or —O—Z—O— in which Z represents a hydrocarbon group having 0 to 20 carbon atoms, or a hydrocarbon group having 0 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom, an unsaturated bond or a cyclic structure, and n represents a valence,
in which M n+ represents a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion or an onium ion, R 4 and R 5 each independently represent a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, or R 4 and R 5 represent any one of a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and are coupled to each other to form a cyclic structure, and n represents a valence.
7. The nonaqueous electrolytic solution for a secondary battery according to claim 6 , wherein the component (B) is
lithium difluorooxalatoborate, or at least one compound selected from the group consisting of N,N-dimethylacetoacetamide, lithium difluorophosphate, and phosphorus compound represented by the following chemical formula (6):
in which M n+ represents a hydrogen ion, an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion or an onium ion, R 4 and R 5 each independently is an ethyl group or a phenyl group, and n represents a valence.
8. The nonaqueous electrolyte solution for a secondary battery according to claim 6 , wherein
an addition amount of the component (B) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
9. A secondary battery comprising the nonaqueous electrolyte solution for a secondary battery according to claim 6 , comprising a positive electrode and a negative electrode.
10. The secondary battery according to claim 9 , wherein an addition amount of the component (B) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for the secondary battery.
11. The secondary battery according to claim 9 , wherein an addition amount of the component (A) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for the secondary battery.
12. The nonaqueous electrolyte solution for a secondary battery according to claim 6 , wherein an addition amount of the component (A) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
13. A nonaqueous electrolytic solution for a secondary battery which is used for a secondary battery comprising an electrolyte and a nonaqueous solvent, and comprising at least one component (A) below and comprising at least one component (B) below as additives, apart from the electrolyte and the nonaqueous solvent,
component (A): a compound represented by the following chemical formula (1):
in which M n+ represents at least one selected from the group consisting of a hydrogen ion, a sodium ion, a potassium ion, a rubidium ion, a cesium ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion and an onium ion, X represents a halogen atom, R 1 represents a hydrocarbon group having 1 to 20 carbon atoms, or a hydrocarbon group having 1 to 20 carbon atoms and having at least any one of a halogen atom, a heteroatom or an unsaturated bond, and n represents a valence, and
component (B): N,N-dimethylacetoacetamide,
wherein an addition amount of the component (B) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
14. The nonaqueous electrolyte solution for a secondary battery according to claim 13 , wherein an addition amount of the component (A) is 0.05% by mass to 5% by mass of a total mass of the nonaqueous electrolyte solution for a secondary battery.
15. A secondary battery comprising the nonaqueous electrolyte solution for a secondary battery according to claim 13 , comprising a positive electrode and a negative electrode.