期刊
IONICS
卷 21, 期 12, 页码 3185-3192出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-015-1520-1
关键词
Reduced graphene oxide; Metal nanoparticle; Core-shell; Anode; Lithium-ion battery
资金
- Australia Research Council [DP150103026]
In the present study, we report the synthesis of Fe@Ag nanoparticles/2-aminoethanethiol functionalized reduced graphene oxide (rGO) composite (Fe@AuNPs-AETrGO) and its application as an improved anode material for lithium-ion batteries (LIBs). The structure of the Fe@AgNPs-AETrGO composite was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The electrochemical performance was investigated at different charge/discharge current rates by using CR2032 coin-type cells and cyclic voltammetry (CV). It was found that the spherical Fe@AuNPs were highly dispersed on the rGO sheets. Moreover, the Fe@AuNPs-AETrGO composite showed high specific gravimetric capacity of about 1500 mAh g(-1) and long-term cycle stability.
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