Highly Reversible Zn Anode Design Through Oriented ZnO(002) Facets

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 21, 2024

Abstract The practical implementation of aqueous Zn‐ion batteries presents formidable hurdles, including uncontrolled dendrite growth, water‐induced side reactions, suboptimal Zn metal utilization, and intricate anode manufacturing. Here, large‐scale construction a highly oriented ZnO(002) lattice plane on (ZnO(002)@Zn) with thermodynamic inertia kinetic zincophilicity is designed to address such problems. Both theoretical calculations experiment results elucidate that the ZnO(002)@Zn possesses high chemical affinity, hydrogen evolution reaction suppression, dendrite‐free deposition ability due abundant oxygen species in its low mismatch Zn(002). These features synergistically promote ion transport enable homogeneous deposition. Consequently, displays stable prolonged cycling lifespan exceeding 500 h even under larger depth discharge (85.6%) realizes an impressive average Coulombic efficiency 99.7%. Moreover, efficacy also evident V 2 O 5 ‐cathode coin cells pouch not only capacity but exceptional stability. This integrated approach promising avenue for addressing challenges associated anodes, thereby advancing prospects battery technologies.

Language: Английский

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Interface Regulation and Electrolyte Design Strategies for Zinc Anodes in High-Performance Zinc Metal Batteries

iScience, Journal Year: 2025, Volume and Issue: 28(2), P. 111751 - 111751

Published: Jan. 9, 2025

Rechargeable zinc metal batteries (ZMBs) represent a promising solution for large-scale energy storage due to their safety, cost-effectiveness, and high theoretical capacity. However, the development of anodes is hindered by challenges such as dendrite formation, hydrogen evolution reaction (HER), low Coulombic efficiency stemming from undesirable interfacial processes in aqueous electrolytes. This review explores various strategies enhance anode performance, focusing on artificial SEI, morphology adjustments, electrolyte regulation, flowing electrolyte. These approaches aim suppress growth, mitigate side reactions, optimize electric double layer (EDL) Zn2+ solvation structures. By addressing these challenges, insights presented here pave way designing high-performance ZMBs, offering directions future research into scalable sustainable battery technologies.

Language: Английский

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Collagen‐Mediated Solvent Sheathing and Derived Interfacial Manipulation Toward Ultrahigh‐Rate Zn Anodes

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 2, 2024

Abstract The zinc (Zn) anode in zinc‐ion batteries suffers from potential defects such as wild dendrite growth, severe Zn corrosion, and violent hydrogen evolution reaction, inducing erratic interfacial charge transfer kinetics, which eventually leads to electrochemical failure. Here, collagen, a biomacromolecule, is added achieve the reconstruction of electrolyte hydrogen‐bonding network modification derived interface. Benefiting electronegativity advantage amino groups (‐NH 2 ) (002) crystal plane preferentially exposed solid interface (SEI) rich ZnF 3 N promotes rapid anode. Thence, an impressive cumulative capacity 7,500 mAh cm −2 at 30 mA achieved assembled Zn|VO cell exhibited robust cycle reversibility even when subject maximum current 100 A g −1 ultra‐long life 20,000 cycles 50 , with single‐cycle loss low 0.0021%. Such convenient strategy solvent sheathing regulation manipulation opening up promising universal approach toward long‐life high‐rate anodes.

Language: Английский

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Comprehensive Understanding of Steric‐Hindrance Effect on the Trade‐Off Between Zinc Ions Transfer and Reduction Kinetics to Enable Highly Reversible and Stable Zn Anodes

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 21, 2024

Abstract The electrode interface concentration polarization attributed to the contradiction between sluggish mass transfer process and rapid electrochemical reduction kinetics significantly restricts practical application of Zn anode. Creating a moderate ions chemistry is essential for durable zinc‐ion batteries. In this work, trade‐off effect realized by selecting large‐size 4‐Aminomethyl cyclohexanecarboxylic acid (AMCA) molecule as electrolyte additive. Intriguingly, AMCA molecules reorganize 2+ solvation structure via robust coordination with reconstruct H‐bond networks, giving pulled desolvation process. Meanwhile, enlarges size push force, confining kinetics. balanced chemical environment maintained pull‐push interplay. Besides, can anchor on zinc surface create water‐poor microenvironment, fostering homogeneous (002) deposition effectively restricting water‐induced side‐reactions. Notably, Zn||Zn symmetric cell operates stably over 167 days at 20 mA cm −2 . Moreover, Zn||VOX full employed ensures outstanding capacity retention 99.15% after 590 cycles 2 A g −1 , even low N/P (4.3), lean (50 µL mAh ) ultrathin foil 10 µm. This work reveals unique insights into interfacial design toward high‐performance

Language: Английский

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Revealing the Triangular Entanglement of Hydrogen Bond Network via Kosmotropic Effect for Durable Aqueous Zinc‐Ion Batteries

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Abstract Regulating the H‐bond network between H 2 O molecules has been regarded as an effective strategy to reconfigure chemical environment at electrode/electrolyte interface (EEI), but intrinsic relationship hydrogen‐bond (H‐bond) network, solvation structure, and EEI in electrolyte remains unclear. To this end, three additives with same carbon skeleton different hydroxyl functional groups are chosen unlock their triangular relationship. Experimental theoretical calculations demonstrate that 2‐methyl‐1,3‐propanediol (MP) bearing strong kosmotropic effect modest steric‐hindrance not only form a stable H‐bonds by breaking original of also reconstruct structure Zn 2+ , predominantly inhibiting O‐triggered side reactions. Meanwhile, synergistic direction on MP ensures adsorption EEI, promoting uniform diffusion deposition. Consequently, assembled Zn||Zn symmetric cell provides 3000 h cycle life (0.5 mA cm −2 0.5 mAh ) ZnSO 4 +MP electrolyte, Zn||Cu asymmetric maintains high CE 99.41% after 1000 cycles 1 . The full exhibits excellent rate capability satisfactory discharge‐specific capacity.

Language: Английский

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Ion-dipole interaction manipulated bilateral interface chemistry for deep rechargeability and high redox activity of Zn-organic batteries

Chem, Journal Year: 2025, Volume and Issue: unknown, P. 102411 - 102411

Published: Feb. 1, 2025

Language: Английский

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From Fundamentals to Practice: Electrolyte Strategies for Zinc‐Ion Batteries in Extreme Temperature

Carbon Neutralization, Journal Year: 2024, Volume and Issue: 4(1)

Published: Nov. 24, 2024

ABSTRACT In the pursuit of advanced energy storage technologies that promote sustainable solutions, zinc‐ion batteries (ZIBs) have emerged as a promising alternative to lithium‐ion due their abundance, safety, and environmental advantages. However, failure mechanisms ZIBs under extreme temperatures are still not fully understood, presenting significant challenges development commercialization. Therefore, innovative strategies essential enhance adaptability temperature extremes. this review, we first explore thermodynamic kinetic aspects performance degradation temperatures, focusing on key factors such ion diffusion redox processes at electrode interfaces. We then comprehensively summarize discuss existing approaches for various electrolyte types, including aqueous, nonaqueous, solid state. Finally, highlight future prospects operating conditions. The insights presented in review expected accelerate advancement facilitate practical implementation large‐scale systems.

Language: Английский

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Active Water Optimization in Different Electrolyte Systems for Stable Zinc Anodes

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 31, 2025

Zinc (Zn) metal, with abundant resources, intrinsic safety, and environmental benignity, presents an attractive prospect as a novel electrode material. However, many substantial challenges remain in realizing the widespread application of aqueous Zn-ion batteries (AZIBs) technologies. These encompass significant material corrosion (This can lead to battery failure unloaded state.), hydrogen evolution reactions, pronounced dendrite growth at anode interface, constrained electrochemical stability window. Consequently, these factors contribute diminished lifespan energy efficiency while restricting high-voltage performance. Although numerous reviews have addressed potential separator design mitigate issues some extent, inherent reactivity water remains fundamental source challenges, underscoring necessity for precise regulation active molecules within electrolyte. In this review, mechanism AZIBs (unloaded charge discharge state) is analyzed, optimization strategy working principle electrolyte are reviewed, aiming provide insights effectively controlling process reaction, further formation, expanding range stability. Furthermore, it outlines promote its practical future development pathways.

Language: Английский

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Zincophilic, Green, Non-Toxic Additives Modulate Lean-Water Inner Helmholtz Layer for Enhanced Stability of Zinc Anodes

Published: Jan. 1, 2025

Language: Английский

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Highly reversible Zn anode by ion flow regulation and micro-corrosion zone division

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: March 19, 2025

Aqueous zinc-ion batteries (AZIBs) have been receiving continuous attention as candidates for the next generation of safe batteries, but poor reversibility Zn anode limits their further development. In recent years, researchers obsessed with modifying surface and adjusting solvation structure Zn²⁺ to address these challenges. Here, we present a novel strategy improve by simultaneously regulating zinc ion flow dividing micro-corrosion zones on anode, thereby manipulating deposition behavior relieving corrosion anode. This approach exploits keto-enol tautomerism α-acetyl-γ-butyrolactone (ABL) develop specifically designed additive: coordinated complex (ZnABL). With this innovative additive, anodes showed excellent reversibility: Zn||Zn symmetric cell achieved long cycle life 7780 h (about 11 months) Coulombic Efficiency averagely reached high value 99.87 %. Furthermore, Zn||Zn_0.25V₂O₅·H₂O near-ampere-hour pouch cell, featuring areal capacity 7.9 mAh cm^-2, an energy density 106.17 Wh L^-1 sustained more than 350 cycles. The success ZnABL in modulating compartmentalizing zone provides option improvement anodes.

Language: Английский

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