Journal
CATALYSTS
Volume 11, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/catal11070764
Keywords
fuel cell; ORR; PM6; band-gap; 2D carbon catalyst; SACs
Categories
Funding
- PRIN (Progetti di Ricerca di Rilevante Interesse Nazionale) [2017YH9MRK]
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The Oxygen Reduction Reaction (ORR) is a critical reaction in fuel cell efficiency, requiring highly effective electrocatalysts for proper boosting. This study combines experimental and theoretical results to explore the catalytic activity and mechanisms of composite catalysts formed by carbon nanotubes functionalized with palladium(II) complexes.
Oxygen Reduction Reaction (ORR) is the bottle-neck strategic reaction ruling the fuel cell efficiency process. The slow kinetics of the reaction require highly effective electrocatalysts for proper boosting. In this field, composite catalysts formed by carbon nanotubes functionalized with palladium(II) complexes showed surprising catalytic activity comparable to those of a commercial Pt electrode, but the catalytic mechanisms of these materials still remain open to discussion. In this paper, we propose the combination of experimental and theoretical results to unfold the elementary reaction steps underlying the ORR catalysis.
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