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A Corrosion‐Resistant and Dendrite‐Free Zinc Metal Anode in Aqueous Systems
Author(s) -
Han Daliang,
Wu Shichao,
Zhang Siwei,
Deng Yaqian,
Cui Changjun,
Zhang Lina,
Long Yu,
Li Huan,
Tao Ying,
Weng Zhe,
Yang QuanHong,
Kang Feiyu
Publication year - 2020
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.202001736
Subject(s) - materials science , corrosion , anode , aqueous solution , galvanic anode , dendrite (mathematics) , plating (geology) , zinc , metal , stripping (fiber) , energy storage , indium , chemical engineering , metallurgy , electrode , cathodic protection , composite material , chemistry , organic chemistry , power (physics) , geometry , mathematics , physics , quantum mechanics , engineering , geophysics , geology
Rechargeable aqueous zinc (Zn) ion‐based energy storage systems have been reviving recently because of their low cost and high safety merits; however, they still suffer from the problems of corrosion and dendrite growth on Zn metal anodes that cause gas generation and early battery failure. Unfortunately, the corrosion problem has not received sufficient attention until now. Here, it is pioneeringly demonstrated that decorating the Zn surface with a dual‐functional metallic indium (In) layer, acting as both a corrosion inhibitor and a nucleating agent, is a facile but effective strategy to suppress both drastic corrosion and dendrite growth. Symmetric cells assembled with the treated Zn electrodes can sustain up to 1500 h of plating/stripping cycles with an ultralow voltage hysteresis (54 mV), and a 5000 cycle‐life is achieved for a prototype full cell. This work will instigate the further development of aqueous metal‐based energy storage systems.

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