Multilayered Si Nanoparticle/Reduced Graphene Oxide Hybrid as a High-Performance Lithium-Ion Battery Anode

Multilayered Si/RGO anode nanostructures, featuring alternating Si nanoparticle (NP) and RGO layers, good mechanical stability, and high electrical conductivity, allow Si NPs to easily expand between RGO layers, thereby leading to high reversible capacity up to 2300 mAh g−1 at 0.05 C (120 mA g−1) an...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2014-02, Vol.26 (5), p.758-764
Main Authors: Chang, Jingbo, Huang, Xingkang, Zhou, Guihua, Cui, Shumao, Hallac, Peter B., Jiang, Junwei, Hurley, Patrick T., Chen, Junhong
Format: Article
Language:English
Subjects:
Anodes
Electric Conductivity
Electric Power Supplies
Electrical resistivity
Electrochemical Techniques
Electrodes
Graphene
graphene oxide
Graphite - chemistry
Ions - chemistry
Lithium - chemistry
Lithium-ion batteries
lithium-ion battery
nanohybrid
Nanoparticles - chemistry
Nanoparticles - ultrastructure
Nanostructure
Oxides
porous Ni foam
Resistivity
Si nanoparticle
Silicon
Silicon - chemistry
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Summary:Multilayered Si/RGO anode nanostructures, featuring alternating Si nanoparticle (NP) and RGO layers, good mechanical stability, and high electrical conductivity, allow Si NPs to easily expand between RGO layers, thereby leading to high reversible capacity up to 2300 mAh g−1 at 0.05 C (120 mA g−1) and 87% capacity retention (up to 630 mAh g−1) at 10 C after 152 cycles.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201302757