Nanoporous PdCo Catalyst for Microfuel Cells: Electrodeposition and Dealloying

Figure 3

Linear seep voltammograms of PdCo powders (positive scans) in nitrogen-saturated 0.5 M sulfuric acid solution: (a) Before heat treatment: Curve (a) Pd₃Co₁, curve (b) Pd₁Co₁, and curve (c) Pd₁Co₃. (b–d) After heat treatment at 500°C: Curve (a) first sweep and curve (b) second sweep after reduction with hydrogen. Reproduced with permission from [42]. Copyright 1986, Elsevier.

(a)

(b)

(c)

(d)