Exact(60)
There were also different onset potentials of ethanol oxidation among the four catalysts.
In forward sweep, all the samples had the same onset potentials (0.216 V).
In addition, the onset potentials of all the array films are read directly from the instrument.
All three samples show low onset potentials (0.32 0.34 V) for methanol oxidation.
Mainly CO2 release at onset potentials > 4.6 V vs. Li/Li+ could be identified.
Otherwise, in backward sweep, sample b had frontier onset potentials (up to 124 mV) than sample a (without graphene).
Like hydrogen, the onset potentials of CH4 shown in Fig. 5a also shifted to more negative potentials with P4VP loading.
The onset potentials and half-wave potentials are higher on Au(111).
MnO2 was also found to activate the glycerol oxidation reaction earlier, giving lower onset potentials.
The frontier onset potentials of graphene/Au@PtAg alloy NRs hybrid compositions indicated easier remove of the incompletely oxidized carbonaceous species.
On the other hand, large gold particles had much higher onset potentials and were less stable during glycerol oxidation.
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