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@ARTICLE{Ferreira:878261,
author = {Ferreira, Hadla S. and Gocyla, Martin and Ferreira, Hadma
S. and Araujo, Rennan G. O. and Almeida, Caio V. S. and
Heggen, Marc and Dunin-Borkowski, Rafal E. and Eguiluz,
Katlin I. B. and Strasser, Peter and Salazar-Banda,
Giancarlo R.},
title = {{A} {C}omparative {S}tudy of the {C}atalytic {P}erformance
of {P}t-{B}ased {B}i and {T}rimetallic {N}anocatalysts
{T}owards {M}ethanol, {E}thanol, {E}thylene {G}lycol, and
{G}lycerol {E}lectro-{O}xidation},
journal = {Journal of nanoscience and nanotechnology},
volume = {20},
number = {10},
issn = {1533-4880},
address = {Stevenson Ranch, Calif.},
publisher = {American Scientific Publ.},
reportid = {FZJ-2020-02730},
pages = {6274 - 6285},
year = {2020},
abstract = {Carbon-supported platinum is used as an anode and cathode
electrocatalyst in low-temperature fuel cells fueled with
low-molecular-weight alcohols in fuel cells. The cost of Pt
and its low activity towards the complete oxidation of these
fuels are significant barriers to the widespread use of
these types of fuel cells. Here, we report on the
development of PtRhNi nanocatalysts supported on carbon made
using a reduction chemistry method with different atomic
rates. The catalytic activity of the developed catalysts
towards the electro-oxidation of methanol, ethanol, ethylene
glycol, and glycerol in acidic media was studied. The
obtained catalysts performances were compared with both
commercial Pt/C and binary Pt75Ni25/C catalyst. The
nanostructures were characterized, employing inductively
coupled plasma optical emission spectrometer, X-ray
diffraction, scanning transmission electron microscopy, and
energy-dispersive X-ray spectroscopy. The binary catalyst
presents a mean particle size of around 2 nm. Whereas the
ternary catalysts present particles of similar size and with
some large alloy and core–shell structures. The alcohol
oxidation onset potential and the current density measured
after 3600 s of chronoamperometry were used to classify the
catalytic activity of the catalysts towards the oxidation of
methanol, ethanol, ethylene glycol, and glycerol. The best
PtRhNi/C catalyst composition (i.e., Pt43Rh43Ni14/C)
presented the highest activity for alcohols oxidation
compared with all catalysts studied, indicating the proper
tuning composition influence in the catalytic activity. The
enhanced activity of Pt43Rh43Ni14/C can be attributed to the
synergic effect of trimetallic compounds, Pt, Ni, and Rh.},
cin = {ER-C-1},
ddc = {660},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)
/ DFG project 257727131 - Nanoskalige Pt
Legierungselektrokatalysatoren mit definierter Morphologie:
Synthese, Electrochemische Analyse, und ex-situ/in-situ
Transmissionselektronenmikroskopische (TEM) Studien
(257727131)},
pid = {G:(DE-HGF)POF3-143 / G:(GEPRIS)257727131},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32384977},
UT = {WOS:000532076600035},
doi = {10.1166/jnn.2020.18559},
url = {https://juser.fz-juelich.de/record/878261},
}