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Issue 21, 2015
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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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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.

Graphical abstract: 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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Publication details

The article was received on 14 Dec 2014, accepted on 02 Feb 2015 and first published on 06 Feb 2015


Article type: Communication
DOI: 10.1039/C4CC09956G
Citation: Chem. Commun., 2015,51, 4429-4432
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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

    G. Hwang, H. Park, T. Bok, S. Choi, S. Lee, I. Hwang, N. Choi, K. Seo and S. Park, Chem. Commun., 2015, 51, 4429
    DOI: 10.1039/C4CC09956G

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