TY - JOUR
T1 - Formic acid electrooxidation over carbon-supported nanoparticles of non-stoichiometric palladium carbide
AU - Simonov, Alexander N
AU - Simonov, Pavel A.
AU - Parmon, Valentin N.
PY - 2012/11/1
Y1 - 2012/11/1
N2 - Catalytic performance of the 5 wt.% Pd/C and 5 wt.% PdC 0.14/C catalysts for formic acid electrooxidation was compared under potentiodynamic (0.06-1.0 V vs. RHE, sweep rate 50 mV s -1) and potentiostatic (0.2 and 0.3 V vs. RHE) regimes in 0.5 M HCOOH + 0.1 M H 2SO 4 solution at 25 °C. The non-stoichiometric palladium carbide catalyst demonstrates superior catalytic performance and stability during HCOOH electrooxidation as compared to the unmodified Pd/C precursor. The observed phenomenon is explained in terms of modification of electronic and adsorption properties of palladium caused by the embedding of carbon atoms in the interstitial cites of the crystalline lattice of Pd nanoparticles.
AB - Catalytic performance of the 5 wt.% Pd/C and 5 wt.% PdC 0.14/C catalysts for formic acid electrooxidation was compared under potentiodynamic (0.06-1.0 V vs. RHE, sweep rate 50 mV s -1) and potentiostatic (0.2 and 0.3 V vs. RHE) regimes in 0.5 M HCOOH + 0.1 M H 2SO 4 solution at 25 °C. The non-stoichiometric palladium carbide catalyst demonstrates superior catalytic performance and stability during HCOOH electrooxidation as compared to the unmodified Pd/C precursor. The observed phenomenon is explained in terms of modification of electronic and adsorption properties of palladium caused by the embedding of carbon atoms in the interstitial cites of the crystalline lattice of Pd nanoparticles.
KW - Carbon-supported nanoparticles
KW - HCOOH electrooxidation
KW - Pd-C solid solutions
UR - http://www.scopus.com/inward/record.url?scp=84863200048&partnerID=8YFLogxK
U2 - 10.1016/j.jpowsour.2012.06.021
DO - 10.1016/j.jpowsour.2012.06.021
M3 - Article
AN - SCOPUS:84863200048
SN - 0378-7753
VL - 217
SP - 291
EP - 295
JO - Journal of Power Sources
JF - Journal of Power Sources
ER -
