Figure S4 A)									Figure S4 B)									Figure S4 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		
j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE		j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE			j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE		j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE			j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE		j / mA cm-2	Pot / V vs. RHE	delta Pot / V vs. RHE
1.84E-01	0.83984	0.00705		1.72E-01	0.87429	2.10E-02			2.17E-01	0.8963	0.00176		3.13E-01	0.88699	0.00509			2.71E-01	0.90352	1.38E-02		2.67E-01	0.89872	2.03E-03
2.50E+00	7.96E-01	9.61E-04		2.50E+00	0.83318	0.01444			2.50E+00	0.85737	2.49E-03		2.50E+00	0.86435	7.29E-03			2.50E+00	0.87454	0.01201		2.50E+00	0.87633	0.011
5.00E+00	0.79475	0.00104		5.00E+00	0.83198	0.0146			5.00E+00	0.85608	2.62E-03		5.00E+00	0.86341	7.18E-03			5.00E+00	0.87204	0.01212		5.00E+00	0.87353	0.0115
10	0.79167	0.0012		10	0.82958	1.49E-02			10	0.85353	0.00286		10	0.86152	0.00695			10	0.86709	0.01235		10	0.86798	0.0125
50	0.76796	0.00241		50	0.81108	1.72E-02			50	0.83373	4.75E-03		50	0.84694	5.30E-03			50	0.83017	0.01451		50	0.82665	0.01969
100	0.74071	0.00379		100	0.78952	1.98E-02			100	0.81049	6.90E-03		100	0.82988	3.67E-03			100	0.79014	0.01781		100	0.78196	0.02692
200	0.69355	6.12E-03		200	0.75127	2.36E-02			200	0.76873	1.05E-02		200	0.79933	1.67E-03			200	0.72666	0.02559		200	0.71196	0.03584
300	0.65519	0.00794		300	0.7189	2.60E-02			300	0.7328	1.33E-02		300	0.77306	1.10E-03			300	0.67866	0.03353		300	0.66094	0.03797
400	0.62443	0.00931		400	0.69169	2.73E-02			400	0.70212	0.01539		400	0.75049	0.00161			400	0.63818	0.0399		400	0.6207	0.03404
500	0.60009	0.01028		500	0.66889	0.02762			500	0.67609	0.01678		500	0.73101	0.00287			500	0.59725	0.043		500	0.58303	2.48E-02
750	0.55944	0.01139		750	0.62641	0.02602			750	0.62757	0.01785		750	0.69203	0.00715			750	0.4407	0.02515		750	0.44615	0.01701
1000	0.5327	0.01134		1000	0.5955	0.02392			1000	0.59538	0.0165		1000	0.65951	0.00887									
1250	0.50122	0.01106		1250	0.5647	2.51E-02			1250	0.57041	0.01395		1250	0.62424	0.00283									
1500	0.44631	0.01149		1500	0.52256	0.03328			1500	0.54352	0.01145		1500	0.57698	0.01616									
									1750	0.50559	0.01023		1750	0.50852	0.05328									
									2000	0.44748	0.01154