From: Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation
Catalyst
EAS (m2 g-1)
U Pt (%)
Catalytic activitya (mA mg Pt-1)
I f /I b
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
