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Choi, Nam-Soon
Energy Materials Lab
Research Interests
  • Rechargeable lithium battery, electrolytes for next generation Mg and Na battery

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A high-performance nanoporous Si/Al2O3 foam lithium-ion battery anode fabricated by selective chemical etching of the Al-Si alloy and subsequent thermal oxidation

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Title
A high-performance nanoporous Si/Al2O3 foam lithium-ion battery anode fabricated by selective chemical etching of the Al-Si alloy and subsequent thermal oxidation
Author
Hwang, GaeunPark, HyungminBok, TaesooChoi, SinhoLee, SungjunHwang, InchanChoi, Nam-SoonSeo, KwanyongPark, Soojin
Issue Date
2015-03
Publisher
ROYAL SOC CHEMISTRY
Citation
CHEMICAL COMMUNICATIONS, v.51, no.21, pp.4429 - 4432
Abstract
Nanostructured micrometer-sized Al-Si particles are synthesized via a facile selective etching process of Al-Si alloy powder. Subsequent thin Al2O3 layers are introduced on the Si foam surface via a selective thermal wet oxidation process of etched Al-Si particles. The resulting Si/Al2O3 foam anodes exhibit outstanding cycling stability (a capacity retention of 78% after 300 cycles at the C/5 rate) and excellent rate capability.
URI
https://scholarworks.unist.ac.kr/handle/201301/11043
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2015/CC/C4CC09956G#!divAbstract
DOI
10.1039/c4cc09956g
ISSN
1359-7345
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