Research Article
Electrochemical and Morphological Investigations of Ga Addition to Pt Electrocatalyst Supported on Carbon
Table 3
Hydrogen desorption/adsorption charge, EASA, and [Ga] of the PtGa/C electrocatalysts.
| | Electrocatalyst | Hydrogen desorption charge (C) | Hydrogen adsorption charge (C) | (m2) | [Ga] (mgL−1) |
| | Pt100/C | 24.0 | 39.8 | 11.4 | | | Pt91Ga9/C | 51.5 | 64.5 | 24.5 | 1.19 | | Pt83Ga17/C | 56.6 | 67.2 | 27.0 | 0.87 | | Pt75Ga25/C | 70.1 | 100.0 | 33.4 | 3.66 | | Pt69Ga31/C | 41.5 | 55.3 | 19.8 | 2.03 | | Pt54Ga46/C | 28.4 | 52.3 | 13.5 | 1.56 |
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= electrochemical active surface area; = 0.041 mg/L.
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