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Title: Design of Advanced Thin-Film Catalysts for Electrooxidation of Formic Acid

Journal Article · · ACS Catalysis

Successful development of catalysts for electrochemical formic acid oxidation (FAO) requires finding an optimal balance between catalytic performance (activity, stability, and selectivity) and catalyst cost. While platinum is one of the most active catalyst materials for FAO, it suffers from performance loss at low overpotentials due to poisoning with CO, which is one of the intermediates formed in the so-called indirect path of FAO. In this work, we explored the synergistic effects of the supporting material and annealing temperature on the performance of Pt thin films for FAO in acidic media. Compared to the as-prepared Pt films, the annealed films show up to 5-fold and 15-fold improvement for FAO on Pt@Ni and Pt@Cr, respectively. In conclusion, while the most active Pt@Ni thin film shows the lowest stability, the most active Pt@Cr thin film is also the most stable, challenging conventional trade-offs in electrocatalysis and providing a promising candidate for FAO nanocatalyst synthesis.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Ministry of Science, Technological Development and Innovation of Serbia; Science Fund of the Republic of Serbia; Slovenian Research and Innovation Agency (ARIS); USDOE Office of Science (SC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
2478080
Journal Information:
ACS Catalysis, Journal Name: ACS Catalysis Journal Issue: 4 Vol. 14; ISSN 2155-5435
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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