Onset Potential of ORR Open circuit potential Cdl ECSA SBET
(Vvs:RHE) (V vs:RHE) μF•cm-2geo m2•g-1cat m2•g-1cat
Gr -0.0171 0.147 46.5 0.176 4.38
CB 0.308 0.825 71.4 0.27 206
Gr/PTFE0.5 0.0752 0.328 143 0.541 18.7
CB/PTFE0.5 0.459 0.846 406 1.54 52.1
Gr0.5CB0.5/PTFE0.5 0.193 0.786 372 1.41 34