Figure 2 A) Figure 2 B) Figure 2 C) I/C 0.1 I/C 0.5 I/C 1.7 Pt/C Pt/N-C Pt/C Pt/N-C Pt/C Pt/N-C MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE MSA(GDE) / A mg-1 Pot(GDE) / V vs. RHE delta Pot(GDE) / V vs. RHE MSA(MEA) / A mg-1 Pot(MEA) / V vs. RHE delta Pot(MEA) / V vs. RHE 1.11E-05 0.97318 0.00403 0.0011 0.83984 0.00705 0 0.98101 4.85E-04 7.91E-04 0.87429 0.02103 1.11E-05 0.97163 0.00379 0.00109 0.8963 0.00176 0 0.97429 0.00445 0.00128 0.88699 0.00509 1.11E-05 0.96459 1.03E-04 0.0015 0.90352 0.01383 0 0.97595 4.57E-04 0.00103 0.89872 0.00203 3.71E-04 9.36E-01 0.00383 0.01493 0.79631 9.61E-04 2.75E-04 0.93792 0.00143 0.01152 8.33E-01 0.01444 3.71E-04 0.93248 7.85E-04 0.01256 0.85737 0.00249 2.75E-04 0.93623 0.00243 0.0102 0.86435 0.00729 3.71E-04 0.92992 0.00248 0.01389 0.87454 0.01201 2.75E-04 0.94018 0.00267 0.00962 0.87633 0.011 7.32E-04 0.92494 0.00297 0.02985 0.79475 0.00104 5.50E-05 0.92564 0.00103 0.02304 0.83198 0.0146 7.32E-04 0.92055 2.82E-04 0.02513 0.85608 0.00262 5.50E-05 0.92431 0.0015 0.02041 0.86341 0.00718 7.32E-04 0.91869 0.00208 0.02778 0.87204 0.01212 5.50E-05 0.92893 0.00235 0.01923 0.87353 0.0115 0.00181 0.90663 0.00225 0.0597 0.79167 0.0012 0.00138 0.90642 4.68E-04 0.04608 0.82958 0.01491 0.00181 0.90148 0.0011 0.05025 0.85353 0.00286 0.00138 0.90516 0.00105 0.04082 0.86152 0.00695 0.00181 0.90044 0.00173 0.05556 0.86709 0.01235 0.00138 0.91091 0.0018 0.03846 0.86798 0.0125 0.00361 0.89208 0.0017 0.29851 0.76796 0.00241 0.00275 0.89126 3.80E-04 0.23041 0.81108 0.01724 0.00361 0.88687 0.00124 0.25126 0.83373 0.00475 0.00275 0.89026 7.74E-04 0.20408 0.84694 0.0053 0.00361 0.88603 0.00155 0.27778 0.83017 0.01451 0.00275 0.89639 0.0017 0.19231 0.82665 0.01969 0.0073 0.87872 0.00114 0.59701 0.74071 0.00379 0.0055 0.8777 4.70E-04 0.46083 0.78952 0.01976 0.0073 0.87347 0.0014 0.50251 0.81049 0.0069 0.0055 0.87686 7.38E-04 0.40816 0.82988 0.00367 0.0073 0.87288 0.00159 0.55556 0.79014 0.01781 0.0055 0.88347 0.00165 0.38462 0.78196 0.02692 0.01832 0.85218 2.30E-04 1.19403 0.69355 0.00612 0.01375 0.85226 5.69E-04 0.92166 0.75127 0.02359 0.01832 0.84865 0.00164 1.00503 0.76873 0.01053 0.01375 0.85178 6.68E-04 0.81633 0.79933 0.00167 0.01832 0.84771 0.00171 1.11111 0.72666 0.02559 0.01375 0.85818 0.00158 0.76923 0.71196 0.03584 0.0367 0.83095 0.00138 1.79104 0.65519 0.00794 0.0275 0.83222 7.69E-04 1.38249 0.7189 0.02602 0.0367 0.82944 0.00162 1.50754 0.7328 0.01333 0.0275 0.83225 7.63E-04 1.22449 0.77306 0.0011 0.0367 0.82799 0.00156 1.66667 0.67866 0.03353 0.0275 0.83832 0.00151 1.15385 0.66094 0.03797 0.07345 0.80868 0.00253 2.38806 0.62443 0.00931 0.055 0.81115 7.51E-04 1.84332 0.69169 0.02728 0.07345 0.80934 0.0019 2.01005 0.70212 0.01539 0.055 0.81182 0.00103 1.63265 0.75049 0.00161 0.07345 0.80704 0.00141 2.22222 0.63818 0.0399 0.055 0.81729 0.00147 1.53846 0.6207 0.03404 0.18372 0.77688 0.0037 2.98507 0.60009 0.01028 0.1375 0.78104 0.00115 2.30415 0.66889 0.02762 0.18372 0.78126 0.00184 2.51256 0.67609 0.01678 0.1375 0.78242 0.00148 2.04082 0.73101 0.00287 0.18372 0.77647 0.00159 2.77778 0.59725 0.043 0.1375 0.78611 9.57E-04 1.92308 0.58303 0.02476 0.36195 0.76499 0.00354 4.47761 0.55944 0.01139 0.275 0.76898 0.00155 3.45622 0.62641 0.02602 0.36195 0.77022 0.00168 3.76884 0.62757 0.01785 0.275 0.77075 0.00201 3.06122 0.69203 0.00715 0.36195 0.76445 0.00174 4.16667 0.4407 0.02515 0.275 0.77491 0.00131 2.88462 0.44615 0.01701 0.73178 0.73471 0.00383 5.97015 0.5327 0.01134 0.55 0.73949 0.00115 4.60829 0.5955 0.02392 0.73178 0.74257 0.00196 5.02513 0.59538 0.0165 0.55 0.74211 0.00242 4.08163 0.65951 0.00887 0.73178 0.73156 0.00131 0.55 0.74138 6.53E-04 1.83224 0.68149 0.0045 7.46269 0.50122 0.01106 1.375 0.68786 1.35E-04 5.76037 0.5647 0.02509 1.83224 0.69516 0.00272 6.28141 0.57041 0.01395 1.375 0.69322 0.00396 5.10204 0.62424 0.00283 1.83224 0.66847 1.59E-04 1.375 0.67761 0.00117 3.6701 0.62483 0.00475 8.95522 0.44631 0.01149 2.75 0.63345 0.00189 6.91244 0.52256 0.03328 3.6701 0.64656 0.00358 7.53769 0.54352 0.01145 2.75 0.64196 0.00595 6.12245 0.57698 0.01616 3.6701 0.5934 0.00188 2.75 0.59669 0.00498 7.34545 0.5369 0.00447 5.5 0.55254 0.00658 7.34545 0.58006 0.00465 8.79397 0.50559 0.01023 5.5 0.56866 0.01067 7.14286 0.50852 0.05328 7.34545 0.46876 0.00647 5.5 0.44776 0.01552 11.01779 0.49223 0.00106 8.25 0.50892 0.01263 11.01779 0.54806 0.00484 10.05025 0.44748 0.01154 8.25 0.53379 0.01515 11.01779 0.38672 0.01131 8.25 0.33725 0.02643 13.75 0.42555 0.02679 13.75 0.47476 0.02591