Three-Dimensional Interconnected Network of Graphene-Wrapped Porous Silicon Spheres: In Situ Magnesiothermic-Reduction Synthesis and Enhanced Lithium-Storage Capabilities

Three-Dimensional Interconnected Network of Graphene-Wrapped Porous Silicon Spheres: In Situ Magnesiothermic-Reduction Synthesis and Enhanced Lithium-Storage Capabilities

A novel type of 3D porous Si–G micro/nanostructure (i.e., 3D interconnected network of graphene-wrapped porous silicon spheres, Si@G network) was constructed through layer-by-layer assembly and subsequent in situ magnesiothermic-reduction methodology. Compared with bare Si spheres, the as-synthesize...

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Veröffentlicht in:ACS applied materials & interfaces 2014-03, Vol.6 (5), p.3546-3552
Hauptverfasser: Wu, Ping, Wang, Hui, Tang, Yawen, Zhou, Yiming, Lu, Tianhong
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container_issue 5
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container_title ACS applied materials & interfaces
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creator Wu, Ping
Wang, Hui
Tang, Yawen
Zhou, Yiming
Lu, Tianhong
description A novel type of 3D porous Si–G micro/nanostructure (i.e., 3D interconnected network of graphene-wrapped porous silicon spheres, Si@G network) was constructed through layer-by-layer assembly and subsequent in situ magnesiothermic-reduction methodology. Compared with bare Si spheres, the as-synthesized Si@G network exhibits markedly enhanced anodic performance in terms of specific capacity, cycling stability, and rate capability, making it an ideal anode candidate for high-energy, long-life, and high-power lithium-ion batteries.
doi_str_mv 10.1021/am405725u
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