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Issue 84, 2014
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Residual metallic impurities within carbon nanotubes play a dominant role in supposedly “metal-free” oxygen reduction reactions

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Abstract

Oxygen reduction reactions (ORRs) are of key importance in the area of electrochemical energy production. The replacement of the Pt industrial standard with heteroatom doped metal-free carbon nanotubes was previously suggested for ORRs. Here we will show that the ORR electrocatalysis on these supposedly metal-free materials is likely in fact due to the presence of residual metallic impurities within the carbon nanotubes and that these impurities play a dominant role.

Graphical abstract: Residual metallic impurities within carbon nanotubes play a dominant role in supposedly “metal-free” oxygen reduction reactions

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Publication details

The article was received on 02 May 2014, accepted on 29 Aug 2014 and first published on 10 Sep 2014


Article type: Communication
DOI: 10.1039/C4CC03271C
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Citation: Chem. Commun., 2014,50, 12662-12664
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    Residual metallic impurities within carbon nanotubes play a dominant role in supposedly “metal-free” oxygen reduction reactions

    L. Wang and M. Pumera, Chem. Commun., 2014, 50, 12662
    DOI: 10.1039/C4CC03271C

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