title: A Three-Dimensionally Structured Electrocatalyst: Cobalt-Embedded Nitrogen-Doped Carbon Nanotubes/Nitrogen-Doped Reduced Graphene Oxide Hybrid for Efficient Oxygen Reduction.
abstract: To develop low-cost and efficient oxygen reduction reaction (ORR) catalysts, a novel hybrid comprising cobalt-embedded nitrogen-doped carbon nanotubes and nitrogen-doped reduced graphene oxide (Co-NCNT/NrGO-800) was simply prepared by pyrolysis. The combination of nanotubes and graphene, and the efficient doping with cobalt and nitrogen, greatly contribute to the excellent ORR performance. This optimized Co-NCNT/NrGO catalyst exhibits a positive onset potential of 0.91 V and a half-wave potential of 0.82 V, combined with a relatively low peroxide yield, better durability, and better methanol tolerance than commercially available Pt/C, which makes it a promising candidate as a low-cost and effective non-precious-metal ORR catalyst.
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China.|University of Chinese Academy of Sciences, Beijing, 100039, P. R. China.
authors.forename: Changting
authors.initials: C
authors.lastname: Wei
authors.affiliation: College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
authors.forename: Hongjing
authors.initials: H
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China.|University of Chinese Academy of Sciences, Beijing, 100039, P. R. China.
authors.forename: Kamel
authors.initials: K
authors.lastname: Eid
authors.affiliation: Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.
authors.forename: Jeonghun
authors.initials: J
authors.lastname: Kim
authors.affiliation: Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.
authors.forename: Jung Ho
authors.initials: JH
authors.lastname: Kim
authors.affiliation: Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
authors.forename: Zeid Abdullah
authors.initials: ZA
authors.lastname: Alothman
authors.affiliation: Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia.|International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
authors.forename: Yusuke
authors.initials: Y
authors.lastname: Yamauchi
authors.affiliation: College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
authors.forename: Liang
authors.initials: L
authors.lastname: Wang
keywords: carbon nanotubes; electrocatalysis; graphene; hybrid materials; oxygen reduction reaction; porous materials