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Interactions between Dopants in Dual-Doped Graphene Nanoribbons as Metal-Free Bifunctional Catalysts for Fuel Cell and Metal-Air Batteries

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Abstract

Duel p-block element doped carbon nanomaterial is a new kind of metal-free bifunctional catalysts for fuel cells and metal-air batteries because of their low-cost and high efficiency compared to traditional noble metals and their alloys. To optimize co-doped catalysts, we studied the interactions of dopants on the doped graphene and their effect on oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). It is found that the interactions between N and X (P, B, S) occur within a distance of ∼0.5 nm, and beyond the distance their interactions are limited while the interactions between N and Cl take places beyond the distance of ∼0.5 nm.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Department of Chemistry, University of North, Texas, Denton, 76203, TX, USA

    Zhenghang Zhao & Zhenhai Xia

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  1. Zhenghang Zhao
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  2. Zhenhai Xia
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Zhao, Z., Xia, Z. Interactions between Dopants in Dual-Doped Graphene Nanoribbons as Metal-Free Bifunctional Catalysts for Fuel Cell and Metal-Air Batteries. MRS Advances 1, 421–425 (2016). https://doi.org/10.1557/adv.2016.32

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  • DOI: https://doi.org/10.1557/adv.2016.32

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