Recent Progress for TiO2 as the Support of Electrocatalysts in Fuel Cell Applications

Fuel cell is one of the most promising power sources towards high-efficiency, low-emission and environmental benign application. In pursuit of a higher performance, electrocatalyst is a crucial research focus. Compared with commercial carbon support, TiO2 exhibits the advantages of higher stability, higher porosity and stronger metal-support interaction. In this article, we give a brief overlook on the influence of diverse crystal and morphology structures on their eletrocatalytic property in fuel cells. Besides, to better meet the demand of practical electrocatalysts, three different methods are summarized to overcome its relatively poor electrical conductivity. Overall, TiO2 is a promising support material of electrocatalysts in fuel cells.

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