Abstract
A novel NiFeA/CPE has been fabricated by electrodepositing poly-Ni (II)-Fe (III)-alizarin red (NiFeA) complex on the surface of carbon paste electrode (CPE) in alkaline solution. The morphology and composition of NiFeA/CPE were characterized by SEM, FTIR, XPS, and XRD. The oxygen evolution reaction (OER) catalytic performance, OER process kinetics, stability, and the causes of enhanced OER performances of NiFeA/CPE were investigated. The experiment results showed that NiFeA/CPE displayed a highly efficient catalytic activity for OER and delivered a current density of 10 mA cm−2 with an overpotential of 280 mV in 1 M KOH. The enhanced OER performance was due to its high active surface areas and low charge transfer resistance. The as-prepared NiFeA/CPE for OER possesses the traits of low cost, easy preparation, high activity, and durable stability.
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