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Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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Template synthesis of hollow Sb nanoparticles as a high-performance lithium battery anode material

Cited 42 times inthomson ciCited 44 times inthomson ci
Title
Template synthesis of hollow Sb nanoparticles as a high-performance lithium battery anode material
Author
Kim, HyesunCho, Jaephil
Keywords
Anodes; Antimony; Lithium batteries; Scanning electron microscopy; Synthesis (chemical)
Issue Date
200803
Publisher
AMER CHEMICAL SOC
Citation
CHEMISTRY OF MATERIALS, v.20, no.5, pp.1679 - 1681
Abstract
The synthesis of hollow Sb nanoparticles as a high-performance Lithium battery anode material, using a SiO2 template functionalized with cetyltrimrthylammonium bromide (CTAB) groups, was reported. Scanning electron microscopy (SEM) images show that the SiO2 templates are spherical with diameters of 300 nm and that hollow Sn particles have shell thickness of 20 nm. The results also show that the improved specific lithium storage capacity of the hollow Sb is associated with the unique structure of the hollow nanostructure, which has porous shells formed during NaOH etching. Sb also shows increased charge capacity retention at higher rates to the nanoparticles while the hollow samples show the first charge capacity and its capacity after 10 cycles at a 7C rate is 587 and 570 mAh/g.
URI
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DOI
http://dx.doi.org/10.1021/cm703401u
ISSN
0897-4756
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