Issue 10, 2016

A 3D bi-functional porous N-doped carbon microtube sponge electrocatalyst for oxygen reduction and oxygen evolution reactions

Abstract

A flexible, large-area three-dimensional porous N-doped carbon microtube (NCMT) sponge was prepared via a simple and low-cost process of pyrolyzing facial cotton. Due to its unique structure with a micron-scale hollow core and well-graphitized and interconnected porous walls, the NCMT sponge exhibits incomparable electrocatalytic activity for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) with a small potential difference of 0.63 V between the OER current density at 10 mA cm−2 and the ORR current density at −3 mA cm−2, which is the best to date.

Graphical abstract: A 3D bi-functional porous N-doped carbon microtube sponge electrocatalyst for oxygen reduction and oxygen evolution reactions

Supplementary files

Article information

Article type
Communication
Submitted
27 Jul 2016
Accepted
25 Aug 2016
First published
25 Aug 2016

Energy Environ. Sci., 2016,9, 3079-3084

A 3D bi-functional porous N-doped carbon microtube sponge electrocatalyst for oxygen reduction and oxygen evolution reactions

J. Li, P. Hou, S. Zhao, C. Liu, D. Tang, M. Cheng, F. Zhang and H. Cheng, Energy Environ. Sci., 2016, 9, 3079 DOI: 10.1039/C6EE02169G

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