Lithiophilic-lithiophobic gradient interfacial layer for a highly stable lithium metal anode

Huimin Zhang, Xiaobin Liao, Yuepeng Guan, Yu Xiang, Meng Li, Wenfeng Zhang, Xiayu Zhu, Hai Ming, Lin Lu, Jingyi Qiu, Yaqin Huang, Gaoping Cao, Yusheng Yang, Liqiang Mai (), Yan Zhao () and Hao Zhang ()
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Huimin Zhang: Research Institute of Chemical Defense
Xiaobin Liao: Wuhan University of Technology
Yuepeng Guan: Beijing University of Chemical Technology
Yu Xiang: Research Institute of Chemical Defense
Meng Li: Research Institute of Chemical Defense
Wenfeng Zhang: Research Institute of Chemical Defense
Xiayu Zhu: Research Institute of Chemical Defense
Hai Ming: Research Institute of Chemical Defense
Lin Lu: Research Institute of Chemical Defense
Jingyi Qiu: Research Institute of Chemical Defense
Yaqin Huang: Beijing University of Chemical Technology
Gaoping Cao: Research Institute of Chemical Defense
Yusheng Yang: Research Institute of Chemical Defense
Liqiang Mai: Wuhan University of Technology
Yan Zhao: Wuhan University of Technology
Hao Zhang: Research Institute of Chemical Defense

Nature Communications, 2018, vol. 9, issue 1, 1-11

Abstract: Abstract The long-standing issue of lithium dendrite growth during repeated deposition or dissolution processes hinders the practical use of lithium-metal anodes for high-energy density batteries. Here, we demonstrate a promising lithiophilic–lithiophobic gradient interfacial layer strategy in which the bottom lithiophilic zinc oxide/carbon nanotube sublayer tightly anchors the whole layer onto the lithium foil, facilitating the formation of a stable solid electrolyte interphase, and prevents the formation of an intermediate mossy lithium corrosion layer. Together with the top lithiophobic carbon nanotube sublayer, this gradient interfacial layer can effectively suppress dendrite growth and ensure ultralong-term stable lithium stripping/plating. This strategy is further demonstrated to provide substantially improved cycle performance in copper current collector, 10 cm2 pouch cell and lithium–sulfur batteries, which, coupled with a simple fabrication process and wide applicability in various materials for lithium-metal protection, makes the lithiophilic–lithiophobic gradient interfacial layer a favored strategy for next-generation lithium-metal batteries.

Date: 2018
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DOI: 10.1038/s41467-018-06126-z

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