Application of Binary PdSb/C as an Anode in a Polymeric Electrolyte Reactor-Fuel Cell Type for Electrosynthesis of Methanol from Methane

PdSb catalyst prepared in different compositions were applied as an anode in a polymeric electrolyte reactor - fuel cell type (PER-FC) to convert methane into oxygenated products and energy in mild conditions. The PER-FC polarization curves for Pd90Sb10/C presented maximum current density about 0.92...

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Published in:Materials research (São Carlos, São Paulo, Brazil) São Paulo, Brazil), 2022-01, Vol.25, p.1
Main Authors: Godoi, Camila M., Santos, Monique C.L., Nunes, Livia C., Silva, Araceli J., Ramos, Andrezza S., Souza, Rodrigo F.B. de, O. Neto, Almir
Format: Article
Language:English
Subjects:
Anodes
chemical and energy co-generation
Electrode polarization
Electrolytes
ENGINEERING, CHEMICAL
Fuel cells
MATERIALS SCIENCE, MULTIDISCIPLINARY
METALLURGY & METALLURGICAL ENGINEERING
Methane
Methane into methanol
Methanol
Nuclear fuels
Oxidation
polymeric electrolyte reactor - fuel cell type
Qualitative analysis
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Summary:PdSb catalyst prepared in different compositions were applied as an anode in a polymeric electrolyte reactor - fuel cell type (PER-FC) to convert methane into oxygenated products and energy in mild conditions. The PER-FC polarization curves for Pd90Sb10/C presented maximum current density about 0.92 mW cm-2 about 15% higher than PdSb materials. However, the material Pd50Sb50/C showed higher reaction rate for methanol generation than the other materials occurring close to the OCV (r ~ 7 mol L-1 h-1). The qualitative analyses of PER-FC effluent by FT-IR identified products as methanol, carbonate and formate ions from the partial oxidation of methane for all materials.
ISSN:1516-1439
1980-5373
1980-5373
DOI:10.1590/1980-5373-mr-2021-0542