An In-Depth Study of Zn Metal Surface Chemistry for Advanced Aqueous Zn-Ion Batteries

© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 34 vom: 07. Aug., Seite e2003021
1. Verfasser: Hao, Junnan (VerfasserIn)
Weitere Verfasser: Li, Bo, Li, Xiaolong, Zeng, Xiaohui, Zhang, Shilin, Yang, Fuhua, Liu, Sailin, Li, Dan, Wu, Chao, Guo, Zaiping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article DFT calculation Zn anode protection Zn ion batteries in situ strategies side reactions
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520 |a Although Zn metal has been regarded as the most promising anode for aqueous batteries, it persistently suffers from serious side reactions and dendrite growth in mild electrolyte. Spontaneous Zn corrosion and hydrogen evolution damage the shelf life and calendar life of Zn-based batteries, severely affecting their industrial applications. Herein, a robust and homogeneous ZnS interphase is built in situ on the Zn surface by a vapor-solid strategy to enhance Zn reversibility. The thickness of the ZnS film is controlled via the treatment temperature, and the performance of the protected Zn electrode is optimized. The dense ZnS artificial layer obtained at 350 °C not only suppresses Zn corrosion by forming a physical barrier on the Zn surface, but also inhibits dendrite growth via guiding the Zn plating/stripping underneath the artificial layer. Accordingly, a side reaction-free and dendrite-free Zn electrode is developed, the effectiveness of which is also convincing in a MnO2 /ZnSZn full-cell with 87.6% capacity retention after 2500 cycles 
650 4 |a Journal Article 
650 4 |a DFT calculation 
650 4 |a Zn anode protection 
650 4 |a Zn ion batteries 
650 4 |a in situ strategies 
650 4 |a side reactions 
700 1 |a Li, Bo  |e verfasserin  |4 aut 
700 1 |a Li, Xiaolong  |e verfasserin  |4 aut 
700 1 |a Zeng, Xiaohui  |e verfasserin  |4 aut 
700 1 |a Zhang, Shilin  |e verfasserin  |4 aut 
700 1 |a Yang, Fuhua  |e verfasserin  |4 aut 
700 1 |a Liu, Sailin  |e verfasserin  |4 aut 
700 1 |a Li, Dan  |e verfasserin  |4 aut 
700 1 |a Wu, Chao  |e verfasserin  |4 aut 
700 1 |a Guo, Zaiping  |e verfasserin  |4 aut 
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773 1 8 |g volume:32  |g year:2020  |g number:34  |g day:07  |g month:08  |g pages:e2003021 
856 4 0 |u http://dx.doi.org/10.1002/adma.202003021  |3 Volltext 
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