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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