Table 2 |
||||
|
Utilization of Pt and the electrochemical properties of the Pt electrocatalysts |
||||
|
Catalyst |
EAS (m2 g-1) |
UPt (%) |
Catalytic activitya (mA mg Pt-1) |
If/Ib |
|
|
||||
|
1# samplec |
40.9 |
17.2 |
19.3 |
1.85 |
|
2# sampled |
57.4 |
23.5 |
31.6 |
1.45 |
|
3# samplee |
55.6 |
23.4 |
124 |
0.85 |
|
Pt0.5^Au/C [40] |
28.1 |
12.0 |
11.6 |
|
|
Pt0.2^Au/C [40] |
58.1 |
24.7 |
26.2 |
|
|
Pt0.05^Au/C [40] |
233.3 |
99.2 |
162.5 |
|
|
|
||||
|
aFor methanol oxidation, at 0.69 V. |
||||
|
Feng et al. Nanoscale Research Letters 2011 6:551 doi:10.1186/1556-276X-6-551 |
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