One-pot synthesis of NiO/C composite nanoparticles as anode materials for lithium-ion batteries

Zhang, Lipeng, Mu, Jiechen, Wang, Zhao, Li, Guomin, Zhang, Yanling, and He, Yinghe (2016) One-pot synthesis of NiO/C composite nanoparticles as anode materials for lithium-ion batteries. Journal of Alloys and Compounds, 671. pp. 60-65.

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Abstract

Nanostructured NiO/C composite particles with controlled carbon content for lithium-ion battery anode were prepared via a one-pot hydrothermal approach and subsequent calcination in a high purity nitrogen atmosphere. The composites were composed of amorphous carbon and nanocrystalline NiO. The structure of the NiO crystals was determined with X-ray diffraction (XRD) analysis and the content of carbon was calculated from the energy dispersive spectroscopy (EDS) results. Scanning electron microscopy (SEM) images showed a relatively narrow distribution of particle size for both the neat NiO and NiO/C nanoparticles. Electrochemical performance measurements demonstrated that, after 50 cycles, NiO/C nanocomposites maintained a high reversible capacity of 585.9 mAh g(-1), much higher than that of 356.1 mAh g(-1) of the neat NiO nanoparticles without carbon. The NiO/C nanoparticles also exhibited a remarkable discharge capacity, a high charge/discharge rate and an excellent cycle stability. The improvements can be attributed to the even carbon coating on the NiO particles, which significantly enhances the conductivity and improves the structural stability of the electrode.

Item ID: 44030
Item Type: Article (Research - C1)
ISSN: 1873-4669
Keywords: NiO/C composites nanoparticles, anode materials, lithium-ion batteries
Funders: National Natural Science Foundation of China (NNSFC), Shandong Province High Education Science Technology Program (SPHESTP), Shandong Province Midlife-Youth Scientists Research Encouraging Foundation (SPMYSREF)
Projects and Grants: NNSFC #51574160, #51054003 & ZR2014EEM049, SPHESTP #J09LB59, SPMYSREF #BS2009NJ007
Date Deposited: 06 Apr 2016 07:30
FoR Codes: 10 TECHNOLOGY > 1007 Nanotechnology > 100708 Nanomaterials @ 34%
09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified @ 33%
09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090607 Power and Energy Systems Engineering (excl Renewable Power) @ 33%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970109 Expanding Knowledge in Engineering @ 100%
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