Electrode active material and secondary battery

1. An electrode active material used as an active material in a secondary battery that is repeatedly charged and discharged by battery electrode reaction, comprising an organic compound containing a pyrazine structure bound to cycloalkane in the structural unit thereof.

2. The electrode active material according to claim 1 , wherein said organic compound is represented by the general formula:

in which R 1 and R 2 individually represent at least one member of the group consisting of a hydrogen atom, a substituted or unsubstituted C 1 -C 50 alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an alkoxyl group, an alkenyl group, an aryloxy group, an arylamino group, an alkylamino group, a thioaryl group, a thioalkyl group, a heterocyclic group, a formyl group, a silyl group, a boryl group, a stannyl group, a cyano group, a nitro group, a nitroso group, a carboxyl group, an alkoxycarbonyl group and a halogen atom, and R 1 and R 2 may be bound to each other to form a saturated or unsaturated ring, and n is an integer of 1 to 50.

3. The electrode active material according to claim 2 , in which R 1 and R 2 have a total combined molecular weight of up to about 250.

4. The electrode active material according to claim 1 which is selected from the group consisting of

5. The electrode active material according to claim 1 which is selected from the group consisting of

6. The electrode active material according to claim 1 , wherein said organic compound is represented by the general formula:

in which R 3 and R 4 individually represent at least one member of the group consisting of a hydrogen atom, a substituted or unsubstituted C 1 -C 50 alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an alkoxyl group, an alkenyl group, an aryloxy group, an arylamino group, an alkylamino group, a thioaryl group, a thioalkyl group, a heterocyclic group, a formyl group, a silyl group, a boryl group, a stannyl group, a cyano group, a nitro group, a nitroso group, a carboxyl group, an alkoxycarbonyl group and a halogen atom; X 1 represents CH 2 , CF 2 , O, S, Se, N—R′, P—R′, and As—R′ in which R′ represents at least one member of the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C50 alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an alkoxyl group, an alkenyl group, an aryloxy group, an arylamino group, an alkylamino group, a thioaryl group, a thioalkyl group, a heterocyclic group, a silyl group, a boryl group, a stannyl group, a cyano group, a nitro group, a nitroso group, and a halogen atom, and R 3 , R 4 and X 1 may be bound to each other to form a saturated or unsaturated ring; and p and q are individually an integer of 1 to 50.

7. The electrode active material according to claim 1 , wherein said organic compound is represented by the general formula:

and

in which R 5 to R 10 individually represent at least one member of the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C50 alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an alkoxyl group, an alkenyl group, an aryloxy group, an arylamino group, an alkylamino group, a thioaryl group, a thioalkyl group, a heterocyclic group, a formyl group, a silyl group, a boryl group, a stannyl group, a cyano group, a nitro group, a nitroso group, a carboxyl group, an alkoxycarbonyl group and a halogen atom, and may be bound to each other to form a saturated or unsaturated ring.

8. A secondary battery wherein the electrode active material according to claim 7 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

9. A secondary battery wherein the electrode active material according to claim 6 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

10. A secondary battery wherein the electrode active material according to claim 5 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

11. A secondary battery wherein the electrode active material according to claim 4 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

12. A secondary battery wherein the electrode active material according to claim 3 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

13. A secondary battery wherein the electrode active material according to claim 2 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

14. A secondary battery wherein the electrode active material according to claim 1 is present in at least one of a reaction starting substance, a product and an intermediate product during the discharging reaction of battery electrode reaction.

15. A secondary battery comprising a cathode, an anode, and an electrolyte, wherein said cathode comprises the electrode active material according to claim 1 .

16. A secondary battery comprising a cathode, an anode, and an electrolyte, wherein said cathode comprises the electrode active material according to claim 2 .

17. A secondary battery comprising a cathode, an anode, and an electrolyte, wherein said cathode comprises the electrode active material according to claim 3 .

18. A secondary battery comprising a cathode, an anode, and an electrolyte, wherein said cathode comprises the electrode active material according to claim 6 .

19. A secondary battery comprising a cathode, an anode, and an electrolyte, wherein said cathode comprises the electrode active material according to claim 7 .