Polymerizable Ionic Liquid-derived Non-precious Metal Catalyst Fe-N/C for Oxygen Reduction Reaction

Polymerizable ionic liquid (Pit) of hydrolyzed vinyl imidazolium nitrate ([HVim]NO3) was used to prepare the non-precious metal catalyst (NPMC) of Fe-N/C. The material was characterized for catalytic performance toward oxygen reduction reaction (ORR). The onset and half wave potential for ORR is 0.90 and 0.64 V-RHE, respectively. The electrochemical tests show that the Fe-N/C material is a potential NPMC for ORR. Therefore, the PIL is a promising precursor for ORR catalyst free of noble metal.

Automated summary

Polymerizable ionic liquid was used to prepare Fe-N/C non-precious metal catalyst for ORR, showing promising catalytic performance. The material has potential to be a precursor for ORR catalyst without noble metal.