Abstract:Herein, a simple two-step synthetic method was developed for the synthesis of NiFe 2 O 4 nano-microrods supported on Ketjenblack carbon (NiFe 2 O 4 /KB). A sodium tartrate-assisted hydrothermal method was employed for the synthesis of a NiFe-MOF/KB precursor, which was then pyrolyzed under N 2 at 500 °C to yield NiFe 2 O 4 /KB. Benefiting from the presence of high-valence Ni 3+ and Fe 3+ , high conductivity, and a large electrochemically active surface area, NiFe 2 O 4 /KB delivered outstanding OER electrocata… Show more
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