Fabrication of Mn-N-C Catalyst for Oxygen Reduction Reactions Using Mn-Embedded Carbon Nanofiber

Hyo-Young Kim and Young-Wan Ju
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Hyo-Young Kim: Departments of Chemical Engineering, College of Engineering, Wonkwang University, Iksan, Jeonbuk 54538, Korea
Young-Wan Ju: Departments of Chemical Engineering, College of Engineering, Wonkwang University, Iksan, Jeonbuk 54538, Korea

Energies, 2020, vol. 13, issue 10, 1-11

Abstract: The development of efficient and cost-effective electrocatalysts for oxygen reduction reactions (ORR) is one of the most crucial goals in the field of energy conversion devices such as fuel cells or metal-air batteries. Until now, the platinum-based catalyst has been considered the gold standard electrocatalyst and is widely used for ORR. In recent times, transition metal-nitrogen (N)-carbon (C)-based electrocatalysts have verified ORR performances comparable to novel metal-based catalysts. However, due to the complex production methods and low yield, their high price is their one major disadvantage compared to platinum-based catalysts. Herein, we present a transition metal-N-C electrochemical catalyst prepared by simple electrospinning and heat treatment. The metal- and nitrogen-embedded carbon nanofiber represents considerably enhanced activity for oxygen reduction reactions compared to pristine carbon nanofiber.

Keywords: oxygen reduction reaction; electrospinning; carbon nanofiber; metal-N-C catalyst; supercapacitor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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