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New Applications of Electrochemically Produced Porous Semiconductors and Nanowire Arrays

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 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.

Tango Jona
Tangokurs Rapperswil-Jona

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