Investigation of IrO₂/Pt Electrocatalysts in Unitized Regenerative Fuel Cells

Table 1

Composition and crystallite size of the catalysts.

Catalyst	Crystallite Size nm	Pt (wt. %)	IrO2 (wt. %)
(a)	6.5	93	7
(b)	6.5	89	11
(c)	6.7	86	14