IMECH-IR  > 非线性力学国家重点实验室
Stable high areal capacity lithium-ion battery anodes based on three-dimensional Ni-Sn nanowire networks
Tian M; Wang W; Wei YJ(魏宇杰); Yang RG
Source PublicationJournal of Power Sources
2012-08-01
Volume211Pages:46-51
ISSN0378-7753
AbstractNanowire arrays present an excellent candidate for high performance lithium-ion battery electrodes. However, agglomeration in long nanowire arrays impedes nanowire-based electrodes from delivering high areal capacity, by degrading the nanoscale wires to micro-sized bundles and reducing the mechanical stability. In this study, we develop a simple way to fabricate three-dimensional (3D) nickel-tin (Ni-Sn) nanowire networks by using 3D porous anodic alumina templates synthesized from low-cost impure aluminum foils. By eliminating agglomeration, stable high areal capacity anodes are demonstrated with 3D self-supporting Ni-Sn nanowire network structures. With a nanowire length of 40 mu m, the 3D Ni-Sn nanowire networks can deliver an areal capacity as high as 4.3 mAh cm(-2) with a cycle life longer than 50 cycles. The 3D Ni-Sn nanowire networks also exhibit an excellent rate capability with 72% of the capacity retained when the test rate increases from C/5 to 6C.
DOI10.1016/j.jpowsour.2012.03.084
Indexed BySCI ; EI
Language英语
WOS IDWOS:000305364900008
Funding OrganizationUniversity of Colorado Defense Advanced Research Projects Agency (DARPA) N/MEMS S&T Fundamentals program through the DARPA Center on Nanoscale Science and Technology for Integrated Micro/Nano-Electromechanical Transducers (iMINT) N66001-10-1-4007 NNIN National Science Foundation ECS-0335765 Chinese Academy of Sciences via the "Hundred Talent program" NSFC 11021262
DepartmentLNM微结构计算力学(筹)
Classification一类
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59160
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
Tian M,Wang W,Wei YJ,et al. Stable high areal capacity lithium-ion battery anodes based on three-dimensional Ni-Sn nanowire networks[J]. Journal of Power Sources,2012,211:46-51.
APA Tian M,Wang W,Wei YJ,&Yang RG.(2012).Stable high areal capacity lithium-ion battery anodes based on three-dimensional Ni-Sn nanowire networks.Journal of Power Sources,211,46-51.
MLA Tian M,et al."Stable high areal capacity lithium-ion battery anodes based on three-dimensional Ni-Sn nanowire networks".Journal of Power Sources 211(2012):46-51.
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