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Incompatible electrode/electrolyte interface often leads to dendrite growth, parasitic reactions, and corrosion, posing significant challenges to the application of Zn anodes. Herein, we introduce a biomimetic antifreeze protein localized gel electrolyte (ALGE) with multifunctional capabilities to address these issues by combining electrolyte modification with interface optimization. ALGE modifies the Zn2+ solvation structure and the hydrogen-bond network adjacent to the zinc anode, effectively suppressing hydrogen evolution. Additionally, ALGE promotes (002)Zn crystal plane-dominated deposition by protein-zinc surface interactions, enabling a long-range dendrite-free deposition. The absence of by-products and inhibited corrosion further highlights the practical potential of ALGE. Symmetric cells with ALGE-modified zinc demonstrate an impressive lifespan of 610 h under a current density of 10 mA cm−2 and a capacity of 10 mAh cm−2. The pouch cell integrating a manganese dioxide cathode and ALGE-modified Zn anode retains 75.8% of its capacity after 200 cycles at 1 A g−1. This localized gel electrolyte strategy offers a practical and scalable approach to stabilizing Zn anodes for next-generation energy storage systems. © 2025 The Author(s). Angewandte Chemie International Edition published by Wiley-VCH GmbH.
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Angewandte Chemie - International Edition
ISSN: 1433-7851
Year: 2025
1 6 . 1 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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