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Efficient Oxygen Reduction Reaction Using Ruthenium Tetrakis(diaquaplatinum)Octacarboxyphthalocyanine Catalyst Supported on MWCNT Platform
Author(s) -
Maxakato Nobanathi W.,
Mamuru Solomon A.,
Ozoemena Kenneth I.
Publication year - 2011
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201000554
Subject(s) - electrocatalyst , ruthenium , catalysis , oxygen reduction reaction , electron transfer , oxygen , carbon nanotube , reaction rate constant , chemistry , electrode , oxygen reduction , inorganic chemistry , photochemistry , redox , kinetics , materials science , electrochemistry , nanotechnology , organic chemistry , physics , quantum mechanics
Electrocatalytic reduction of molecular oxygen in alkaline solution using a novel ruthenium tetrakis(diaquaplatinum)octacarboxyphthalocyanine (RuOCPcPt) electrocatalyst supported on multi‐walled carbon nanotube electrode has been described. We show that the oxygen reduction activity follows a direct 4‐electron transfer process at high kinetic rate constant, 3.57×10 −2 cm s −1 .