Chemical Dealloying Derived 3D Porous Current Collector for Li Metal Anodes

A 3D porous Cu current collector is fabricated through chemical dealloying from a commerial Cu–Zn alloy tape. The interlinked porous framework naturally integrated can accommodate Li deposition, suppressing dendrite growth and alleviating the huge volume change during cycling. The Li metal anode com...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2016-08, Vol.28 (32), p.6932-6939
Main Authors: Yun, Qinbai, He, Yan-Bing, Lv, Wei, Zhao, Yan, Li, Baohua, Kang, Feiyu, Yang, Quan-Hong
Format: Article
Language:English
Subjects:
Accumulators
Anodes
chemical dealloying
Collectors
Copper base alloys
Coulombic efficiency (CE)
Cycles
Dealloying
Deposition
lithium metal anodes
porous current collectors
Retarding
solid electrolyte interphases
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Summary:A 3D porous Cu current collector is fabricated through chemical dealloying from a commerial Cu–Zn alloy tape. The interlinked porous framework naturally integrated can accommodate Li deposition, suppressing dendrite growth and alleviating the huge volume change during cycling. The Li metal anode combined with such a porous Cu collector demonstrates excellent performance and commerial potentials in Li‐based secondary batteries.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201601409