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Are metal-free pristine carbon nanotubes electrocatalytically active?

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Open access
Authors
Cheng, Yi
Zhang, J.
Jiang, San Ping
Date
2015
Type
Journal Article

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Cheng, Y. and Zhang, J. and Jiang, S.P. 2015. Are metal-free pristine carbon nanotubes electrocatalytically active? Chemical Communications. 51 (72): pp. 13764-13767.
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Chemical Communications
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Fuels and Energy Technology Institute
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This open access article is distributed under the Creative Commons license https://creativecommons.org/licenses/by/3.0/

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Abstract

Metal-free (i.e., residual metallic impurities-blocked) carbon nanotubes (CNTs) do show electrocatalytic activity for H2 evolution, O2 evolution and O2 reduction reactions (HER, OER & ORR) in alkaline solutions, but their activities strongly depend on the number of walls or inner tubes with a maximum for CNTs with 2–3 walls.