Preparation and Study of Multi-Heteroatom Carbon Nanotube as Excellent Electrocatalyst for Oxygen Reduction Reaction Using Polydopamine Derivative

<div>Electrochemical measurement of support and catalysts. (a) CV in O<sub>2</sub> or N<sub>2</sub>-saturated 0.1 M KOH solution with a scan rate of 5 mV·s<sup>−1</sup>: (1) N/S-CNTs; (2) N/S/F-CNTs-2; (3) N/S/F-CNTs; (4) N/S/F-CNTs in N<sub>2</sub>; (5) 20% Pt/C; (6) MWCNTs; (7) N-CNTs. (b) LSV in O<sub>2</sub>-saturated 0.1 M KOH solution at the rotation rate of 1600 rpm with a scan rate of 10 mV·s<sup>−1</sup>: (1) 20% Pt/C; (2) N/S/F-CNTs-2; (3) N/S-CNTs; (4) N/S/F-CNTs. (c) The current–time chronoamperometric response of catalysts: (1) 20% Pt/C; (2) N/S/F-CNTs.</div>

Advances in Materials Science and Engineering

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Figure 4: Preparation and Study of Multi-Heteroatom Carbon Nanotube as Excellent Electrocatalyst for Oxygen Reduction Reaction Using Polydopamine Derivative 

Figure 4 | Preparation and Study of Multi-Heteroatom Carbon Nanotube as Excellent Electrocatalyst for Oxygen Reduction Reaction Using Polydopamine Derivative 