TY - JOUR
T1 - Promotion of PtRu/C anode catalysts for ethanol oxidation reaction by addition of Sn modifier
AU - Chang, Yu Wei
AU - Liu, Chen Wei
AU - Wei, Yu Chen
AU - Wang, Kuan Wen
N1 - Funding Information:
This work was supported by the National Science Council of Taiwan under Contract No. NSC-98-2221-E-008-098 .
PY - 2009/11
Y1 - 2009/11
N2 - PtRu/C anode electrocatalysts modified by Sn were prepared for ethanol oxidation reaction (EOR). Their phase structures, surface species, surface compositions, and EOR activities were characterized by XRD, XPS, temperature-programmed reduction (TPR), and CV, respectively. It has been found that in the PtRu/SnxC and PtSn/C alloy catalysts, some Sn alloyed with Pt to form Pt-Sn phase existed as the metallic state, however, the excess Sn existed as the amorphous SnO or crystalline SnO2. Surface analyses and electrochemical measurements suggest that the surface Ru and amorphous SnO instead of the crystalline SnO2 are important species for the promotion of EOR. As a result, compared with PtSn/C, the I06 was enhanced about 200% for the PtRu/C electrocatalyst with 10 wt% of Sn modification.
AB - PtRu/C anode electrocatalysts modified by Sn were prepared for ethanol oxidation reaction (EOR). Their phase structures, surface species, surface compositions, and EOR activities were characterized by XRD, XPS, temperature-programmed reduction (TPR), and CV, respectively. It has been found that in the PtRu/SnxC and PtSn/C alloy catalysts, some Sn alloyed with Pt to form Pt-Sn phase existed as the metallic state, however, the excess Sn existed as the amorphous SnO or crystalline SnO2. Surface analyses and electrochemical measurements suggest that the surface Ru and amorphous SnO instead of the crystalline SnO2 are important species for the promotion of EOR. As a result, compared with PtSn/C, the I06 was enhanced about 200% for the PtRu/C electrocatalyst with 10 wt% of Sn modification.
KW - Ethanol oxidation reaction (EOR)
KW - PtRu/C catalysts
KW - Sn
KW - SnO
KW - Temperature-programmed reduction (TPR)
UR - http://www.scopus.com/inward/record.url?scp=70350572322&partnerID=8YFLogxK
U2 - 10.1016/j.elecom.2009.09.020
DO - 10.1016/j.elecom.2009.09.020
M3 - 期刊論文
AN - SCOPUS:70350572322
SN - 1388-2481
VL - 11
SP - 2161
EP - 2164
JO - Electrochemistry Communications
JF - Electrochemistry Communications
IS - 11
ER -