CATHODE CATALYST FOR AIR SECONDARY BATTERY AND AIR SECONDARY BATTERY
申请人:Koshino Nobuyoshi
公开号:US20140066290A1
公开(公告)日:2014-03-06
The present invention provides a cathode catalyst for an air secondary cell having both excellent oxygen reduction activity and excellent water oxidation activity, and an air secondary cell that uses the catalyst. The present invention relates to a cathode catalyst for an air secondary cell in which the catalyst contains a polynuclear metal complex.
A compound represented by the following formula (1):
wherein, Y
1
, Y
2
, Y
3
and Y
4
represent a group represented by any of the above formulae; P
1
, P
2
, P
3
and P
4
are an atomic group required for forming an aromatic heterocyclic ring; P
5
and P
6
are an atomic group required for forming an aromatic ring; Z
1
and Z
2
represent OR
α
, —SR
α
or —NR
α
2
, wherein R
α
represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; Q
1
and Q
2
represent a direct bond or a linking group; a P
1
-containing ring and a P
2
-containing ring are bonded to form Q
1
-containing fused structure; a P
3
-containing ring and a P
4
-containing ring are bonded to form Q
2
-containing fused structure; can be used as a ligand of a metal complex, and the metal complex is useful for a catalyst.