Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production

Nickel nanoparticles supported on nitrogen doped graphene (Ni−NGr) as highly efficient electrocatalyst were synthesized via controlled thermal annealing using a mixture of graphene oxide, nickel nitrate and uric acid. The synthesized Ni−NGr catalyst presented excellent electrocatalytic performance f...

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Veröffentlicht in:ChemElectroChem 2018-12, Vol.5 (23), p.3799-3808
Hauptverfasser: Shabnam, Luba, Faisal, Shaikh N., Roy, Anup K., Gomes, Vincent G.
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container_issue 23
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creator Shabnam, Luba
Faisal, Shaikh N.
Roy, Anup K.
Gomes, Vincent G.
description Nickel nanoparticles supported on nitrogen doped graphene (Ni−NGr) as highly efficient electrocatalyst were synthesized via controlled thermal annealing using a mixture of graphene oxide, nickel nitrate and uric acid. The synthesized Ni−NGr catalyst presented excellent electrocatalytic performance for ethanol, glucose and glycerol oxidation, stemming from the synergistic effects of nickel and N‐graphene. The electrocatalytic activity was enhanced by the high surface area and nitrogen‐based active sites of pyridinic and graphitic N in doped graphene. These N‐moieties enhanced the accessibility of active sites while preventing agglomeration of nickel nanoparticles on the doped graphene surface. The hybrid electrocatalyst performances were significantly improved and are suited for electrooxidation application in fuel cells. Gimme fuel, gimme fire: nickel nanoparticles supported on nitrogen doped graphene (Ni‐NGr) are synthesized. The Ni‐NGr composite shows excellent electrocatalytic performance for ethanol, glucose and glycerol oxidation. The hybrid electrocatalyst performances are significantly improved by the high surface area and nitrogen‐based active sites of pyridinic and graphitic N in doped graphene and are suited for electrooxidation applications in fuel cells.
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subjects carbohydrate
Carbohydrates
Chemical synthesis
electrocatalysis
Ethanol
Fuel cells
Graphene
Nanoparticles
Nickel
nickel nanoparticles
Nitrogen
Oxidation
Performance enhancement
Uric acid
title Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production
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