Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 5, Pages 3546-3552Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am405725u
Keywords
lithium-ion batteries; anodes; silicon; graphene; interconnected network; magnesiothermic reduction
Funding
- Natural Science Foundation of Jiangsu Province [BK20130900]
- Natural Science Foundation of Jiangsu Higher Education Institutions of China [13KJB150026]
- Industry-Academia Cooperation Innovation Fund Project of Jiangsu Province [BY2013001-01, BY2012001]
- Priming Scientific Research Foundation for Advanced Talents in Nanjing Normal University [2013103XGQ0008]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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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.
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