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Yuwon Park, Nam-Soon Choi, Sangjin Park, Seung Hee Woo, Soojin Sim, Bo Yun Jang, Seung M. Oh, Soojin Park, Jaephil Cho and Kyu Tae Lee Si-Encapsulating Hollow Carbon Electrodes via Electroless Etching for Lithium-Ion Batteries Advanced Energy Materials 3

Version of Record online: 7 SEP 2012 | DOI: 10.1002/aenm.201200389

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Si-encapsulating hollow carbons are demonstrated as a promising design to minimize the volume expansion of Si-based anodes upon Li insertion and improve the cycling performance. When compared to chemical etching, the hollow structure achieved via electroless etching is more advanced due to the improved electrical contact between carbon and Si. This results in better cycle and rate performances.

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