Media type: E-Article Title: Enhanced ORR activity of cobalt porphyrin co-deposited with transition metal oxides on Au and C electrodes. The ORR threshold data Contributor: Cheng, Niancai; Kutz, Robert; Kemna, Christopher; Wieckowski, Andrzej imprint: Elsevier BV, 2013 Published in: Journal of Electroanalytical Chemistry Language: English DOI: 10.1016/j.jelechem.2013.07.001 ISSN: 1572-6657 Keywords: Electrochemistry ; General Chemical Engineering ; Analytical Chemistry Origination: Footnote: