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Issue 12, 2013
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Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li–O2 batteries

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Abstract

A Li–O2 battery with TiN nanoparticles supported on Vulcan XC-72, n-TiN/VC, as the cathode catalyst presented an onset potential for the oxygen evolution reaction (OER) at 2.9 V, contrasting with a mixture of micro-sized TiN and VC (m-TiN/VC), and VC, both at ∼3.1 V. The discharge–recharge voltage gap of n-TiN/VC was estimated to be 1.05 V, which is 390 and 450 mV smaller than that of m-TiN/VC and VC, respectively, at 50 mA gcarbon−1. These indicate that n-TiN/VC can function as both an active ORR catalyst during discharge and an efficient OER catalyst during recharge.

Graphical abstract: Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li–O2 batteries

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Supplementary files

Article information


Submitted
28 Sep 2012
Accepted
08 Nov 2012
First published
08 Nov 2012

Chem. Commun., 2013,49, 1175-1177
Article type
Communication

Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li–O2 batteries

F. Li, R. Ohnishi, Y. Yamada, J. Kubota, K. Domen, A. Yamada and H. Zhou, Chem. Commun., 2013, 49, 1175
DOI: 10.1039/C2CC37042E

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