NDLI: Design and synthesis of ZnO–NiO–Co<sub>3</sub>O<sub>4</sub> hybrid nanoflakes as high-performance anode materials for Li-ion batteries

Content Provider	Royal Society of Chemistry (RSC)
Author	Wang, Jin-Guo Lu, Lun Wang, Hui-yuan Wang, Cheng Jiang, Qi-Chuan
Copyright Year	2017
Abstract	ZnO–NiO–Co3O4 hybrid nanoflakes are fabricated via a simple hydrothermal method followed by a subsequent annealing process. In these hybrid electrode materials, ZnO and NiO are the main active materials while a small amount of Co3O4 is introduced as a catalyzing and performance-enhancing agent. The obtained hybrid materials possess a novel 2D nanoflake structure which is mainly constructed by firmly interconnected ZnO and NiO nanoparticles. The particle size of ZnO and NiO is reduced to about 47 nm and 12 nm, respectively, through the hybridization process. When applied as anode materials, the ZnO–NiO–Co3O4 hybrid nanoflakes exhibit a high reversible capacity of 1060 mA h g−1 after 300 cycles at 500 mA g−1. The successful alleviation of the capacity fading problem and excellent electrochemical performance can be ascribed to the unique 2D nano-morphology, strong cobalt catalysis, improved electronic conductivity, uniform dispersity and porous surface. The results demonstrate that the ZnO–NiO–Co3O4 hybrid nanoflakes are promising anode materials for high-performance lithium-ion batteries.
Starting Page	2530
Ending Page	2538
Page Count	9
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	5
Issue Number	6
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta07708k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrothermal circulation Nucleic acid thermodynamics Electrode Nano flake Anode Electrochemistry Cobalt Lithium-ion battery
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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