Nitrogen-doped carbon-based electrocatalysts synthesised by ball-milling

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ID: 31484
2018
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Abstract
Herein, for the first time, ball-milling of carbon materials (e.g. graphite, graphene oxide or graphene) in the presence of dicyandiamide (DCDA) followed by heat treatment at 800 °C was employed to synthesise N-doped carbons for the oxygen reduction reaction (ORR) in alkaline medium. The obtained results highlight that: i) the N-doped nanocarbon catalysts synthesis process employed herein is easy and could be used without hazardous solvents; ii) X-ray photoelectron spectroscopy indicated successful N-doping, iii) N-doped graphite and graphene are Mn-free as confirmed by the ICP-MS analysis, iv) the ORR electrocatalytic activity depends on the carbon source used for the catalyst preparation and v) all the N-doped nanocarbons revealed better ORR performance than the undoped materials. Keywords: Ball-milling, Graphene, Oxygen reduction, Nitrogen-doping, Electrocatalysis
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sibul2018nitrogendopedelectrochemistry Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sibul, Roberta;Kibena-Põldsepp, Elo;Ratso, Sander;Kook, Mati;Käärik, Maike;Merisalu, Maido;Paiste, Päärn;Leis, Jaan;Sammelselg, Väino;Tammeveski, Kaido;
Journal electrochemistry communications
Year 2018
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S1388248118301322
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