Journal article

Co@N-CNTs derived from triple-role CoAl-layered double hydroxide as an efficient catalyst for oxygen reduction reaction

Shilin Zhang, Yun Zhang, WenJie Jiang, Xin Liu, Sailong Xu, Ruijie Huo, Fazhi Zhang, Jin-Song Hu

CARBON | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2016

Abstract

Co nanoparticle-encapsulated N-doped carbon nanotubes (Co@N-CNTs) are prepared as a Pt-free electrocatalyst for oxygen reduction reaction (ORR) via direct pyrolysis of a CoAl-layered double hydroxide (CoAl-LDH)/melamine mixture. The approach could bundle the following distinct features: (i) commercially available melamine as both carbon and nitrogen bi-functional sources; (ii) scalably prepared CoAl-LDH precursor chosen to play a triple role in catalyzing the formation of N-CNTs and serving the electroactive Co nanoparticles, as well as in facilitating the growth of long N-CNTs owing to the confinement effect of the non-active Al2O3 matrix formed; (iii) an alternative to prepare one-dimensio..

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University of Melbourne Researchers

Grants

Awarded by National Key Project on Basic Research


Awarded by National Natural Science Foundation of China


Awarded by Fundamental Research Funds for the Central Universities


Awarded by Beijing National Laboratory for Molecular Sciences (BNLMS)


Funding Acknowledgements

This work was supported by the National Key Project on Basic Research (2014CB932102 and 2015CB932302), and the National Natural Science Foundation of China (91127044 and 21071012), the Fundamental Research Funds for the Central Universities (YS1406), as well as by Beijing National Laboratory for Molecular Sciences (BNLMS, 20140110).