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Title: Ethanol electro-oxidation activity of Nb-doped-TiO2 supported PdAg catalysts in alkaline media
Authors: Nguyen, Son Truong
Yang, Yanhui
Wang, Xin
Issue Date: 2011
Source: Nguyen, S. T., Yang, Y., & Wang, X. (2012). Ethanol electro-oxidation activity of Nb-doped-TiO2 supported PdAg catalysts in alkaline media. Applied Catalysis B: Environmental, 113-114, 261-270.
Series/Report no.: Applied catalysis B : environmental
Abstract: Various mesoporous Nb-doped titania materials were synthesized by a hydrothermal method and examined as catalyst support for PdAg alloy particles for alkaline direct ethanol fuel cell (ADEFC). X-ray diffraction, nitrogen adsorption/desorption, transmission electron microscopy (TEM), cyclic voltammetry (CV) and chronoamperometry (CA) were used to investigate the properties of the supports and catalysts. 700 °C was found as the optimal activation temperature for Nb-doped TiO2 due to the high electronic conductivity achievement and mesoporosity conservation. X-ray diffraction (XRD) revealed that NbxTi1−xO2 had a structure of mixed anatase and rutile phases. PdAg/NbxTi1−xO2 exhibited excellent performance for the electrooxidation of ethanol and higher durability in alkaline solution compared with PdAg/C and PdAg/commercial TiO2. The results open a new way to develop durable and effective electrocatalysts for ADEFC.
ISSN: 0926-3373
DOI: 10.1016/j.apcatb.2011.11.046
Rights: © 2011 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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