Electrode catalyst and method for producing the same

1. An electrode catalyst obtained by calcining a metal phthalocyanine polymer comprising a repeating structural unit obtained by the amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a) to form a calcined body, then treating the calcined body with an acid,

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table).

2. The electrode catalyst according to claim 1 , wherein the L and the M are each independently a metal ion selected from the group consisting of Co 2+ , Ni 2+ and Fe 2+ .

3. The electrode catalyst according to claim 1 , wherein the acid is aqua regia.

4. The electrode catalyst according to claim 1 , wherein the calcination is carried out at 800° C. to 1000° C., in a reducing gas atmosphere.

5. An electrode catalyst comprising a calcined body obtained by calcining a metal phthalocyanine polymer comprising a repeating structural unit obtained by amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a),

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

wherein the ratio of the total amount of the L and the M is 0 to 99.99% by weight, based on the total amount of the L and the M contained in the metal phthalocyanine polymer before calcination.

6. The electrode catalyst according to claim 5 , wherein the L and the M are each independently a metal ion selected from the group consisting of Co 2+ , Ni 2+ and Fe 2+ .

7. The electrode catalyst according to claim 5 , wherein the ratio of the total amount of the L and the M is 50 to 99.9% by weight, based on the total amount of the L and the M contained in the metal phthalocyanine polymer before calcination.

8. The electrode catalyst according to claim 5 , wherein the calcination is carried out at 800° C. to 1000° C., in a reducing gas atmosphere.

9. An electrode catalyst obtained by calcining a metal phthalocyanine polymer produced by condensation of a metal aminophthalocyanine compound represented by general formula (1) and a metal carboxyphthalocyanine compound represented by general formula (2), and then acid-treating it:

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table).

10. The electrode catalyst according to claim 9 , wherein the L and the M are each independently a metal ion selected from the group consisting of Co 2+ , Ni 2+ and Fe 2+ .

11. The electrode catalyst according to claim 9 , wherein the acid is aqua regia.

12. The electrode catalyst according to claim 9 , wherein the calcination is carried out at 800° C. to 1000° C., in a reducing gas atmosphere.

13. An electrode catalyst comprising a calcined body obtained by calcining a metal phthalocyanine polymer produced by condensation of a metal aminophthalocyanine compound represented by general formula (1) and a metal carboxyphthalocyanine compound represented by general formula (2),

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

wherein the ratio of the total amount of the L and the M is 0 to 99.99% by weight, based on the total amount of the L and the M contained in the metal phthalocyanine polymer before calcination.

14. The electrode catalyst according to claim 13 , wherein the L and the M are each independently a metal ion selected from the group consisting of Co 2+ , Ni 2+ and Fe 2+ .

15. The electrode catalyst according to claim 13 , wherein the ratio of the total amount of the L and the M is 50 to 99.9 by weight, based on the total amount of the L and the M contained in the metal phthalocyanine polymer before calcination.

16. The electrode catalyst according to claim 13 , wherein the calcination is carried out at 800° C. to 1000° C., in a reducing gas atmosphere.

17. A method for producing an electrode catalyst comprising the steps of producing a metal phthalocyanine polymer comprising a repeating structural unit obtained by the amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a), comprising condensing a metal aminophthalocyanine compound represented by general formula (1) and a metal carboxyphthalocyanine compound represented by general formula (2),

calcining the metal phthalocyanine polymer to form a calcined body, and

treating the calcined body with an acid,

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein L is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table),

(wherein M is a divalent or trivalent metal ion belonging to Period 3 to Period 5 on the long-form periodic table).

18. The method for producing an electrode catalyst according to claim 17 , wherein the L and the M are each independently a metal ion selected from the group consisting of Co 2+ , Ni 2+ and Fe 2+ .

19. The method for producing an electrode catalyst according to claim 17 , wherein the acid is aqua regia.

20. The method for producing an electrode catalyst according to claim 17 , wherein the calcination is carried out at 800° C. to 1000° C., in a reducing gas atmosphere.