4.7 Article

An organic-inorganic solid-electrolyte interface generated from dichloroisocyanurate electrolyte additive for a stable Zn metal anode in aqueous Zn batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 59, Issue 34, Pages 5079-5082

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc00728f

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Researchers propose a sodium dichloroisocyanurate electrolyte additive with a low concentration of 0.1 M to modify the Zn interface environment and construct a stable organic-inorganic solid-electrolyte interface on the Zn electrode. It suppresses corrosion reactions and directs uniform Zn deposition. The cycle life of the Zn electrode in symmetric cells extends to 1100 h at 2 mA cm(-2) and 2 mA h cm(-2), and the Zn plating/stripping coulombic efficiency reaches 99.5% for more than 450 cycles.
Dendrite growth and side reactions of the Zn metal anode limit the cycle life of aqueous Zn batteries. Herein, we propose a sodium dichloroisocyanurate electrolyte additive with a low concentration of 0.1 M to modify the Zn interface environment and construct a stable organic-inorganic solid-electrolyte interface on the Zn electrode. It suppresses corrosion reactions and directs uniform Zn deposition. The cycle life of the Zn electrode in symmetric cells extends to 1100 h at 2 mA cm(-2) and 2 mA h cm(-2), and the Zn plating/stripping coulombic efficiency reaches 99.5% for more than 450 cycles.

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