Effect of Embedded TiO sub(2) in Carbon Nanofiber Support on Pd Catalyst Activity for Formic Acid Oxidation
Pd supported on TiO sub(2)-embedded carbon nanofibers (Pd/TECNF) were prepared as the anode catalyst for direct formic acid fuel cells (DFAFCs) using an electrospinning technique. The effect of the TiO sub(2) content on the catalytic activity of Pd was investigated based on the electrochemical measu...
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| Veröffentlicht in: | Key engineering materials 2016-07, Vol.698, p.41-46 |
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| creator | Aoyama, Tomohiro Nishio, Yuki Ishitobi, Hirokazu Nakagawa, Nobuyoshi |
| description | Pd supported on TiO sub(2)-embedded carbon nanofibers (Pd/TECNF) were prepared as the anode catalyst for direct formic acid fuel cells (DFAFCs) using an electrospinning technique. The effect of the TiO sub(2) content on the catalytic activity of Pd was investigated based on the electrochemical measurements of cyclic voltammetry (CV), chronoamperometry (CA), and also characterization by XRD, EDX, FE-SEM and CO stripping. The activity was significantly increased by an increase in the TiO sub(2) content up to Ti/C=0.44 and then decreased. The maximized activity was improved eight fold by the TiO sub(2) addition. The increased activity was attributed to the increased electrochemically active surface area due to the modified surface of the nanofibers. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.698.41 |
| format | Article |
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| subjects | Carbon fibers Catalysts Formic acid Nanofibers Palladium Stripping Surface chemistry Titanium dioxide |
| title | Effect of Embedded TiO sub(2) in Carbon Nanofiber Support on Pd Catalyst Activity for Formic Acid Oxidation |
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