Direct ethanol PEM fuel cells: The case of platinum based anodes

On the Temperature Performance of Ethanol Oxidation Reaction at Palladium-Activated Nickel Foam

“…As compared to methanol, its key competitor, ethanol is not only characterized by significantly higher (by ca. 30 %) energy density but is also substantially non-toxic [2,3]. The most desired anodic reaction for a DEFC device is complete oxidation of a C 2 H 5 OH molecule to form water and CO 2 .…”

Investigation of Nanometals (Ni and Sn) in Platinum-Based Ternary Electrocatalysts for Ethanol Electro-oxidation in Membraneless Fuel Cells

“…The beneficial effect of Ni addition has been reported earlier for PtSn/C and Pt-Ru/C catalysts. Indeed, significant improvements in ethanol and methanol oxidation were observed [48][49][50]. These observations suggest that the performance of Pt-Sn-Ni/C electrocatalysts depends greatly on its atomic ratios and its preparation.…”

Enhancement of Ethanol Oxidation Reaction on Pt (PtSn)-Activated Nickel Foam Through In situ Formation of Nickel Oxy-Hydroxide Layer

“…Ethanol oxidation reaction (EOR) is a complex anodic process, which involves dissociation of preadsorbed ethanol molecules to produce surface-adsorbed carbon monoxide (CO ad ) species and further oxidation of C 2 H 5 OH to form (apart from numerous intermediates and by-products) two major chemicals, namely acetaldehyde and acetic acid (Pathway I: 4e − ). In fact, most of these products might become adsorbed on the catalyst surface, and thus, quantitative cleavage of the C-C bond (in order to finally generate CO 2 Pathway II: 12e − ) in an ethanol molecule constitutes a key technical problem [1][2][3][4][5][6][7][8].…”

“…Platinum [4,[24][25][26][27][28] and especially PtSn [1,2,27,[29][30][31][32] catalysts are well-known to exhibit superior electrocatalytic properties towards the EOR. Thus, in this contribution, Ptand PtSn-modified Ni foam electrodes were prepared by means of spontaneous deposition methods [16,30,33,34].…”