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dc.contributor.authorSun, Zixuen_US
dc.contributor.authorWang, Xinghuien_US
dc.contributor.authorZhao, Huen_US
dc.contributor.authorKoh, See Weeen_US
dc.contributor.authorGe, Junyuen_US
dc.contributor.authorZhao, Yunxingen_US
dc.contributor.authorGao, Pingqien_US
dc.contributor.authorWang, Guangjinen_US
dc.contributor.authorLi, Hongen_US
dc.identifier.citationSun, Z., Wang, X., Zhao, H., Koh, S. W., Ge, J., Zhao, Y., . . . Li, H. (2020). Rambutan‐like hollow carbon spheres decorated with vacancy‐rich nickel oxide for energy conversion and storage. Carbon Energy, 2(1), 122-130. doi:10.1002/cey2.16en_US
dc.description.abstractTransition metal oxides hold great promise for lithium‐ion batteries (LIBs) and electrocatalytic water splitting because of their high abundance and high energy density. However, designing and fabrication of efficient, stable, high power density electrode materials are challenging. Herein, we report rambutan‐like hollow carbon spheres formed by carbon nanosheet decorated with nickel oxide (NiO) rich in metal vacancies (denoted as h ‐NiO/C) as a bifunctional electrode material for LIBs and electrocatalytic oxygen evolution reaction (OER). When being used as the anode of LIBs, the h ‐NiO/C electrode shows a large initial capacity of 885 mA h g−1, a robust stability with a high capacity of 817 mA h g−1 after 400 cycles, and great rate capability with a high reversible capacity of 523 mA h g−1 at 10 A g−1 after 600 cycles. Moreover, working as an OER electrocatalyst, the h ‐NiO/C electrode shows a small overpotential of 260 mV at 10 mA cm−2, a Tafel slope of 37.6 mV dec−1 along with good stability. Our work offers a cost‐effective method for the fabrication of efficient electrode for LIBs and OER.en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.relation.ispartofCarbon Energyen_US
dc.rights© 2019 The Authors. Carbon Energy published by Wenzhou University and John Wiley & Sons Australia, Ltd. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in anymedium, provided the original work is properly cited and is not used for commercial purposes.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleRambutan‐like hollow carbon spheres decorated with vacancy‐rich nickel oxide for energy conversion and storageen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.contributor.organizationCentre for Micro‐/N ano‐electronics(NOVITAS)en_US
dc.contributor.organizationCINTRA CNRS/NTU/THALESen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsBifunctional Materialsen_US
dc.subject.keywordsHollow Sphereen_US
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