Ethanol Electrooxidation on Pt with Lanthanum Oxide as Cocatalyst in a DAFC

<table>In situ FTIR spectra obtained in 1.0 mol L<sup>−1</sup> CH<sub>3</sub>CH<sub>2</sub>OH + 0.1 mol L<sup>−1</sup> HClO<sub>4</sub> solution for PtLa/C (50 : 50) electrocatalysts. P-polarized light; resolution: 8 cm<sup>−1</sup>; <svg height="15.4" id="M1" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 24.325001 15.4" width="24.325001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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l14 20.5t15 23.5t13.5 21.5l29 -10q-52 -129 -71 -163h-500l6 28q66 4 83 17.5t28 73.5l77 409q11 61 -0.5 75.5t-78.5 18.5l10 28h467z" id="x1D438"></path></g>
<g transform="matrix(.012,0,0,-.012,10.8,15.188)"><path d="M181 342h2q63 107 121 107q24 0 41 -16t17 -34q0 -34 -32 -49q-17 -7 -26 2q-21 20 -43 20q-20 0 -42 -22t-38 -63v-183q0 -50 12.5 -62t69.5 -16v-26h-230v26q47 5 58 17t11 61v207q0 49 -9 60.5t-53 16.5v23q74 12 141 40v-109z" id="x72"></path></g><g transform="matrix(.012,0,0,-.012,15.072,15.188)"><path d="M380 106l15 -22q-42 -52 -87 -74t-76 -22q-89 0 -142 62t-53 151q0 103 66 175q67 73 146 73h1q61 0 105.5 -46.5t44.5 -105.5q0 -16 -4.5 -22.5t-18.5 -9.5q-54 -10 -262 -17q1 -95 46 -143.5t104 -48.5q61 0 115 50zM225 412q-35 0 -64.5 -32.5t-40.5 -90.5q83 0 170 3
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</svg> = 0.05 V.</table>

International Journal of Electrochemistry

fig3

Figure 3

Figure 3: Ethanol Electrooxidation on Pt with Lanthanum Oxide as Cocatalyst in a DAFC 