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.
Nitrogen-containing aromatic compounds and metal complexes
申请人:Koshino Nobuyoshi
公开号:US10392395B2
公开(公告)日:2019-08-27
To provide nitrogen-containing aromatic compounds with excellent oxygen reduction activity, metal complexes containing them, and catalysts and electrodes employing the same, the present invention provides an aromatic compound satisfying the following conditions (a) and (b):
(a) It has 2 or more structures surrounded by at least 4 coordinatable nitrogen atoms (which structures may be the same or different),
(b) At least one of the nitrogen atoms composing the structure is a nitrogen atom in a 6-membered nitrogen-containing heterocyclic ring.