Affiliation:
1. School of Material Science and Engineering Jiangsu University Zhenjiang 212013 China
2. School of Water, Energy and Environment Cranfield University Bedfordshire MK43 0AL UK
3. Institute of Chemistry University of Silesia Szkolna 9 Katowice 40–006 Poland
Abstract
AbstractDespite possessing substantial benefits of enhanced safety and cost‐effectiveness, the aqueous zinc ion batteries (AZIBs) still suffers with the critical challenges induced by inherent instability of Zn metal in aqueous electrolytes. Zn dendrites, surface passivation, and corrosion are some of the key challenges governed by water‐driven side reactions in Zn anodes. Herein, a highly reversible Zn anode is demonstrated via interfacial engineering of Zn/electrolyte driven by amino acid D‐Phenylalanine (DPA) additions. The preferential adsorption of DPA and the development of compact SEI on the Zn anode suppressed the side reactions, leading to controlled and uniform Zn deposition. As a result, DPA added aqueous electrolyte stabilized Zn anode under severe test environments of 20.0 mA cm−2 and 10.0 mAh cm−2 along with an average plating/stripping Coulombic efficiency of 99.37%. Under multiple testing conditions, the DPA‐incorporated electrolyte outperforms the control group electrolyte, revealing the critical additive impact on Zn anode stability. This study advances interfacial engineering through versatile electrolyte additive(s) toward development of stable Zn anode, which may lead to its practical implementation in aqueous rechargeable zinc batteries.
Funder
National Natural Science Foundation of China
Cited by
3 articles.
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