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A facile and general approach for the direct fabrication of N-rGO-metal(metal oxides)-Pt composites as electrocatalyst for oxygen reduction reactions.

ABSTRACT: Nitrogen-doped reduced graphene oxide-metal(metal oxides) nanoparticle (N-rGO-M(MO) NPs, M = Fe, MO: M = Co, Mn) composites were prepared through a facile and general method at high temperature (800 °C). M(MO) were well-dispersed and tightly anchored on graphene sheets, which were doped with nitrogen simultaneously and further loaded with Pt nanoparticles. Those results showed a more positive onset potential, higher cathodic density, and higher electron transfer number for the ORR in alkaline media. Furthermore, N-rGO-metal(metal oxides)-Pt (N-rGO-M(MO)-Pt) nanoparticles show better durability than the commercial Pt/C catalyst, and can be used as promising potential materials in practical applications.

SUBMITTER: Chen X

PROVIDER: S-EPMC9083336 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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A facile and general approach for the direct fabrication of N-rGO-metal(metal oxides)-Pt composites as electrocatalyst for oxygen reduction reactions.

Chen Xiaohong X Ning Zhaoyang Z Zhou Zongshang Z Liu Xundao X Lei Jianlong J Pei Supeng S Zhang Yongming Y

RSC advances 20180731 48

Nitrogen-doped reduced graphene oxide-metal(metal oxides) nanoparticle (N-rGO-M(MO) NPs, M = Fe, MO: M = Co, Mn) composites were prepared through a facile and general method at high temperature (800 °C). M(MO) were well-dispersed and tightly anchored on graphene sheets, which were doped with nitrogen simultaneously and further loaded with Pt nanoparticles. Those results showed a more positive onset potential, higher cathodic density, and higher electron transfer number for the ORR in alkaline me ...[more]

PMID: 35539998

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