Ultrafine FePd Nanoalloys Decorated Multiwalled Cabon Nanotubes toward Enhanced Ethanol Oxidation Reaction
Source abstract
Abstract
Ultrafine iron-palladium (FePd) nanoalloys deposited on γ-Fe2O3, FePd-Fe2O3, further anchored on carboxyl multiwalled carbon nanotubes (MWNTs-COOH), FePd-Fe2O3/MWNTs, were successfully synthesized by a facile one-pot solution based method as thermally decomposing palladium acetylacetonate (Pd(acac)2) and iron pentacarbonyl (Fe(CO)5) in a refluxing dimethylformamide solution in the presence of MWNTs-COOH. A 3.65 fold increase of peak current density was observed in cyclic voltammetry (CV) for ethanol oxidation reaction (EOR) compared with that of Pd/MWNTs after normalizing to Pd mass. The greatly enhanced tolerance stability toward poisoning species and largely reduced charge transfer resistance were also obtained in chronoamperometry and electrochemical impedance spectroscopy due to the downward shifted d-band center of FePd alloy, easily formed oxygen containing species on Fe2O3, and the stabilizing role of the MWNTs.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Electrochemical Analysis and Applications · Electrochemical sensors and biosensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Integrated Composites Laboratory (ICL), Chemical & Biomolecular Engineering, College of Engineering, The University of Tennessee, Knoxville, Tennessee 37996, United States
School of Environmental and Materials Engineering, College of Engineering, Shanghai Second Polytechnic University, Shanghai 201209, People’s Republic of China
Department of Chemistry and Physics, Fayetteville State University, Fayetteville, North Carolina 28301, United States
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Hebei 066004, China
College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, China
Department of Chemistry University of North Carolina at Asheville, Asheville, North Carolina 28804, United States
Department of Chemistry and Biochemistry Lamar University, Beaumont, Texas 77710, United States
Funding
University of Tennessee
References (70)
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