Electrode active material for electricity storage device, and electricity storage device using same
The present invention provides an electrode active material for an electricity storage device, having a structure represented by following formula (1). In the formula (1), R 1 to R 6 each denote independently a hydrogen atom (except for a case where all of R 1 to R 6 denote hydrogen atoms), a halogen atom, an optionally substituted phenyl group, an optionally substituted heterocyclic group, or an optionally substituted hydrocarbon group having 1 to 4 carbon atoms.
1. An electrode for an electricity storage device, the electrode comprising:
an electrode current collector; and
an electrode active material disposed on the electrode current collector, the electrode active material having a structure represented by the following formula (1):
where R 1 to R 6 each denote independently a hydrogen atom (except for a case where all of R 1 to R 6 denote hydrogen atoms), a halogen atom, an optionally substituted phenyl group, an optionally substituted heterocyclic group, or an optionally substituted hydrocarbon group having 1 to 4 carbon atoms,
wherein the electrode active material is a polymer compound containing the structure represented by the formula (1) as a repeating unit.
2. The electrode for an electricity storage device according to claim 1 , wherein R 1 , R 3 , R 4 and R 6 each denote a hydrogen atom.
3. The electrode for an electricity storage device according to claim 1 , wherein the polymer compound further contains a repeating unit including no quinone portion.
4. An electrode active material for an electricity storage device, having a repeating unit represented by the following formula (6):
where R 1 to R 4 each denote independently a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group, and
n denotes an integer of 2 or more.
5. An electrode active material for an electricity storage device, having a repeating unit represented by the following formula (10):
where R 1 and R 2 each denote independently a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group,
X denotes a linker, and
n denotes an integer of 2 or more.
6. An electrode active material for an electricity storage device, having two repeating units represented by the following formula (19):
where R 1 , R 2 and R 3 each denote independently a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group,
R 7 denotes an alkylene chain having 1 to 4 carbon atoms, an alkenylene chain having 1 to 4 carbon atoms, an arylene chain, an ester bond, an amide bond, or an ether bond, and is optionally substituted,
R 9 contains at least one selected from the group consisting of an ester group, an ether group, a carbonyl group, a cyano group, a nitro group, a nitroxyl group, an alkyl group, a phenyl group, an alkylthio group, a sulfone group, and a sulfoxide group,
R 8 and R 10 each denote independently a saturated aliphatic group having 1 to 4 carbon atoms, a phenyl group, or a hydrogen atom, and
n and m each denote an integer of 2 or more.
7. An electricity storage device comprising a positive electrode, a negative electrode, and an electrolyte,
wherein at least one selected from the positive electrode and the negative electrode is the electrode for an electricity storage device according to claim 1 .
8. An electricity storage device comprising:
a positive electrode that is the electrode according to claim 1 ;
a negative electrode containing a negative electrode active material capable of absorbing and desorbing a lithium ion; and
an electrolyte containing a salt composed of an anion and a lithium cation.
9. The electricity storage device according to claim 8 , wherein the electrolyte is a liquid electrolyte further containing an organic solvent.
10. An electrode for an electricity storage device, the electrode comprising,
an electrode current collector; and
the electrode active material according to claim 4 disposed on the electrode current collector.
11. An electricity storage device comprising a positive electrode, a negative electrode, and an electrolyte,
wherein at least one selected from the positive electrode and the negative electrode is the electrode for an electricity storage device according to claim 10 .
12. An electricity storage device comprising:
the positive electrode that is the electrode according to claim 10 ;
a negative electrode containing a negative electrode active material capable of absorbing and desorbing a lithium ion; and
an electrolyte containing a salt composed of an anion and a lithium cation.
13. The electricity storage device according to claim 12 , wherein the electrolyte is a liquid electrolyte further containing an organic solvent.
14. An electrode for an electricity storage device, the electrode comprising,
an electrode current collector; and
the electrode active material according to claim 5 disposed on the electrode current collector.
15. An electricity storage device comprising a positive electrode, a negative electrode, and an electrolyte,
wherein at least one selected from the positive electrode and the negative electrode is the electrode for an electricity storage device according to claim 14 .
16. An electricity storage device comprising:
the positive electrode that is the electrode according to claim 14 ;
a negative electrode containing a negative electrode active material capable of absorbing and desorbing a lithium ion; and
an electrolyte containing a salt composed of an anion and a lithium cation.
17. The electricity storage device according to claim 16 , wherein the electrolyte is a liquid electrolyte further containing an organic solvent.
18. An electrode for an electricity storage device, the electrode comprising,
an electrode current collector; and
the electrode active material according to claim 6 disposed on the electrode current collector.
19. An electricity storage device comprising a positive electrode, a negative electrode, and an electrolyte,
wherein at least one selected from the positive electrode and the negative electrode is the electrode for an electricity storage device according to claim 18 .
20. An electricity storage device comprising:
the positive electrode that is the electrode according to claim 18 ;
a negative electrode containing a negative electrode active material capable of absorbing and desorbing a lithium ion; and
an electrolyte containing a salt composed of an anion and a lithium cation.
21. The electricity storage device according to claim 20 , wherein the electrolyte is a liquid electrolyte further containing an organic solvent.