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New Applications of Electrochemically Produced Porous Semiconductors and Nanowire Arrays

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Author(s): Leisner Malte | Cojocaru Ala | Ossei-Wusu Emmanuel | Carstensen Jürgen | Föll Helmut

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 5;
Issue: 9;
Start page: 1502;
Date: 2010;
Original page

Keywords: Li ion batteries | Porous Si | Nanowires

ABSTRACT
Abstract The growing demand for electro mobility together with advancing concepts for renewable energy as primary power sources requires sophisticated methods of energy storage. In this work, we present a Li ion battery based on Si nanowires, which can be produced reliable and cheaply and which shows superior properties, such as a largely increased capacity and cycle stability. Sophisticated methods based on electrochemical pore etching allow to produce optimized regular arrays of nanowires, which can be stabilized by intrinsic cross-links, which serve to avoid unwanted stiction effects and allow easy processing.

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Tangokurs Rapperswil-Jona

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