Fe/N co-doped carbon microspheres as a high performance electrocatalyst for the oxygen reduction reaction

Abstract

NCMS-Fe with the high specific area, high nitrogen content are synthesized by using glycine as carbon and nitrogen precursor, showing high catalytic activity and four-electron selectivity for ORR in alkaline medium.

Nonprecious Metal Catalysts for Oxygen Reduction in Heterogeneous Aqueous Systems

“…Sa et al applied a silica coating to an iron porphyrin adsorbed onto CNTs, as shown in Figure , to confine the precursors during pyrolysis and prevent Fe aggregation, which resulted in more FeN x sites and higher activity. Hard templates derived from silica and other materials have been utilized in other recent syntheses for NPM catalysts as well. − …”

Tuning α-Fe2O3 nanotube arrays for the oxygen reduction reaction in alkaline media

“…However, their commercial application is limited by their high cost and low durability. [14][15][16] Recently, transition-metal compounds (Co 3 O 4 , Fe 2 O 3 , Fe 3 O 4 , NiCo 2 O 4 , CoFe 2 O 4 and Fe-N-C) [17][18][19][20] have exhibited fascinating cost-effectiveness and wide modulation potential because of their diverse crystalline structure. Odedairo et al developed a novel Co 3 O 4 nanosheetgraphene composite that exhibits superior ORR activity with an onset potential of 0.89 V in alkaline environment.…”

The self-template synthesis of highly efficient hollow structure Fe/N/C electrocatalysts with Fe–N coordination for the oxygen reduction reaction

“…12,13 On the other hand, the M/N/C catalysts having remarkable poison resistance and superior stability can implement ORR catalytic activity comparable to 20% commercial Pt/C. [14][15][16][17][18] Thus, the non-precious metal catalysts M/N/C that can bring the extensive application of the fuel cells into force have promising prospects.…”

“…22,23 Moreover, the nanostructure and the specic surface area of the carbon materials are also crucial parameters for the ORR catalyst activity, which determine the electrochemical properties and the possibilities for exposure of active sites. 16,24 Whatever is in favour of the removal of the reaction product, e.g. porous carbon materials, can make active sites continually proceed to next reaction.…”