Intertwined network of Si/C nanocables and carbon nanotubes as lithium-ion battery anodes

Wang, Bin, Li, Xianglong, Luo, Bin, Zhang, Xianfeng, Shang, Yuanyuan, Cao, Anyuan and Zhi, Linjie (2013) Intertwined network of Si/C nanocables and carbon nanotubes as lithium-ion battery anodes. ACS Applied Materials and Interfaces, 5 14: 6467-6472. doi:10.1021/am402022n


Author Wang, Bin
Li, Xianglong
Luo, Bin
Zhang, Xianfeng
Shang, Yuanyuan
Cao, Anyuan
Zhi, Linjie
Title Intertwined network of Si/C nanocables and carbon nanotubes as lithium-ion battery anodes
Journal name ACS Applied Materials and Interfaces   Check publisher's open access policy
ISSN 1944-8244
1944-8252
Publication date 2013-07-24
Sub-type Article (original research)
DOI 10.1021/am402022n
Open Access Status Not yet assessed
Volume 5
Issue 14
Start page 6467
End page 6472
Total pages 6
Place of publication Washington, DC United States
Publisher American Chemical Society
Language eng
Abstract We demonstrate a new kind of Si-based anode architectures consisting of silicon nanowire/overlapped graphene sheet core-sheath nanocables (SiNW@G) intertwined with carbon nanotubes (CNTs). In such a hybrid structure, the CNTs, mechanically binding SiNW@G nanocables together, act as a buffer matrix to accommodate the volume change of SiNW@G, and overlapped graphene sheets (that is, G sheaths) effectively prevent the direct contact of silicon with the electrolyte during cycling, both of which enable the structural integrity and interfacial stabilization of such hybrid electrodes. Furthermore, the one-dimensional nature of both components affords the creation of a three-dimensional interpenetrating network of lithium ion and electron pathways in the resultant hybrids, thereby enabling efficient transport of both electrons and lithium ions upon charging/discharging. As a result, the hybrids exhibit much-improved lithium storage performance.
Keyword Carbon nanotubes
Graphene
Lithium-ion batteries
Nanocables
Silicon nanowires
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Australian Institute for Bioengineering and Nanotechnology Publications
 
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