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Lu LL, Ge J, Yang JN, et al. Free-Standing Copper Nanowire Network Current Collector for Improving Lithium Anode Performance. Nano Lett. 2016;16(7):4431-7doi: 10.1021/acs.nanolett.6b01581.
Lu, L. L., Ge, J., Yang, J. N., Chen, S. M., Yao, H. B., Zhou, F., & Yu, S. H. (2016). Free-Standing Copper Nanowire Network Current Collector for Improving Lithium Anode Performance. Nano letters, 16(7), 4431-7. https://doi.org/10.1021/acs.nanolett.6b01581
Lu, Lei-Lei, et al. "Free-Standing Copper Nanowire Network Current Collector for Improving Lithium Anode Performance." Nano letters vol. 16,7 (2016): 4431-7. doi: https://doi.org/10.1021/acs.nanolett.6b01581
Lu LL, Ge J, Yang JN, Chen SM, Yao HB, Zhou F, Yu SH. Free-Standing Copper Nanowire Network Current Collector for Improving Lithium Anode Performance. Nano Lett. 2016 Jul 13;16(7):4431-7. doi: 10.1021/acs.nanolett.6b01581. Epub 2016 Jun 09. PMID: 27253417.
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Nano Lett. 2016 Jul 13;16(7):4431-7. doi: 10.1021/acs.nanolett.6b01581. Epub 2016 Jun 09.

Free-Standing Copper Nanowire Network Current Collector for Improving Lithium Anode Performance.

Nano letters

Lei-Lei Lu, Jin Ge, Jun-Nan Yang, Si-Ming Chen, Hong-Bin Yao, Fei Zhou, Shu-Hong Yu

Affiliations

  1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, CAS Center for Excellence in Nanoscience, Department of Chemistry, University of Science and Technology of China , 96 Jinzhai Road, Hefei, Anhui 230026, China.

PMID: 27253417 DOI: 10.1021/acs.nanolett.6b01581

Abstract

Lithium metal is one of the most attractive anode materials for next-generation lithium batteries due to its high specific capacity and low electrochemical potential. However, the poor cycling performance and serious safety hazards, caused by the growth of dendritic and mossy lithium, has long hindered the application of lithium metal based batteries. Herein, we reported a rational design of free-standing Cu nanowire (CuNW) network to suppress the growth of dendritic lithium via accommodating the lithium metal in three-dimensional (3D) nanostructures. We demonstrated that as high as 7.5 mA h cm(-2) of lithium can be plated into the free-standing copper nanowire (CuNW) current collector without the growth of dendritic lithium. The lithium metal anode based on the CuNW exhibited high Coulombic efficiency (average 98.6% during 200 cycles) and outstanding rate performance owing to the suppression of lithium dendrite growth and high conductivity of CuNW network. Our results demonstrate that the rational nanostructural design of current collector could be a promising strategy to improve the performance of lithium metal anode enabling its application in next-generation lithium-metal based batteries.

Keywords: Coulombic efficiency; Lithium metal; anode; copper nanowires; current collector

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