Tunable N-doped Carbon Dots/SnO2 Interface as a Stable Artificial Solid Electrolyte Interphase for High-Performance Aqueous Zinc-Ion Batteries

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: 1013, P. 178521 - 178521

Published: Jan. 1, 2025

Language: Английский

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Steric hindrance and orientation polarization by a zwitterionic additive to stabilize zinc metal anodes

Carbon Neutralization, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 18, 2024

Abstract Zinc metal stands out as a promising anode material due to its exceptional theoretical capacity, impressive energy density, and low redox potential. However, challenges such zinc dendrite growth, corrosion, side reactions in aqueous electrolytes significantly impede the practical application of anodes. Herein, 3‐(1‐pyridinio)‐1‐propanesulfonate (PPS) is introduced zwitterionic additive achieve long‐term highly reversible Zn plating/stripping. Due orientation polarization with force electric field, PPS π–π conjugated pyridinio cations strong coordination ability sulfonate anion tends generate dynamic adsorption layer build unique water–poor interface. steric hindrance effect can attract solvated 2+ , thereby promoting desolvation process. Moreover, by providing large number nucleation sites inducing ion flow, preferred (002) crystal plane be achieved. Therefore, interfacial electrochemical reduction kinetics regulated uniform deposition ensured. Owing these advantages, Zn//Zn symmetrical cell exhibits remarkable cycling stability exceeding 2340 h (1 mA cm −2 1 ). The Zn//V 2 O 5 full also delivers stable for up 6000 cycles.

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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Characterization Techniques for Probing the Electrolyte Solvation Structures of Aqueous Zinc Metal Batteries

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

Published: Jan. 12, 2025

Abstract While aqueous zinc metal batteries (AZMBs) have shown great promise for large‐scale energy storage, a series of interfacial side reactions derived from the decomposition active water molecules in Zn 2+ solvation structures seriously hinder practical application AZMBs. Recently, regulating electrolytes has been proven to be effective alleviating reactions. Advanced characterization techniques probe provide powerful tools comprehensively understanding underlying relationship between and performance Although significant processes achieved electrolyte engineering mechanistic preliminarily established, systematic summary is still absent. Considering importance engineering, comprehensive review this topic necessary. In article, advantages scope ever‐used studying are introduced remaining challenges potential opportunities future discussed.

Language: Английский

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Maximizing Functional Diversity of Electrolyte Additives through Modular Molecular Engineering to Stabilize Zinc Metal Anodes

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

Published: Feb. 25, 2025

Abstract Molecule design is significant for achieving the functional diversity of electrolyte additives in aqueous zinc‐ion batteries, yet strategy underutilized. Here modular molecular engineering proposed to segregate and recombine hydrophilic (hydrophobic) zincophobic (zincophilic) modules within maximize efficacy electrolytes promoting Zn stability reversibility. By using an with a polyoxometalate (POM) additive, (NH 4 ) 3 [PMo 12 O 40 ], which contains zincophilic‐hydrophobic polyoxoanion ] 3− zincophobic‐hydrophilic cation NH + , promising system developed. Experimental theoretical analyses unravel that consisting weak [Mo 36 shell encapsulating zincophilic intensifier PO core, can alter 2+ ‐solvation sheath Zn‐electrolyte interface. Meanwhile, disrupts hydrogen bond networks water, synergistically realizing high electrochemical anode at both room low temperatures. As result, Zn//NaV 8 ∙1.5H 2 batteries additive exhibit outstanding cycling stability, over 10 000 cycles 5 A g −1 25 °C 800 0.2 −30 °C. This work highlights significance molecule expands research scope POM chemistry.

Language: Английский

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Surface Tension‐Derived Electrical Double Layer Modification Enables Practical Zinc‐Ion Pouch Cells

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

Published: March 2, 2025

Abstract Interface issues such as parasitic reactions and dendrite growth have long been major obstacles hindering the longevity of aqueous zinc‐ion batteries (AZIBs). The quest for more effective strategies to regulate highly active interface remains a focal point in AZIBs. Herein, novel interface‐targeted additive N‐Acetoacetylmorpholine (NHM) is introduced, by lowering interfacial tension modifying electrical double layer, improve performance This reconfiguration results H 2 O‐poor inner Helmholtz plane, which suppresses reactions, accelerates kinetics, fosters uniform zinc deposition. Consequently, anode demonstrates impressive cycling durability, exceeding 3800 h plating/stripping process 400 steady cycle at high depth discharge (DOD) 60%. Zn/NH 4 V O 10 full cell superior performance, achieving 80% capacity retention after 1500 cycles. Moreover, pouch cells with highloading cathodes (13.5 mg cm −2 ) can maintain 70% 300 cycles 0.5 A g −1 . controlled N/P ratio (2.63:1) shows excellent stability 130 These findings provide valuable insights into design offer promising enhancing practicality

Language: Английский

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High‐Entropy‐Inspired Multicomponent Electrical Double Layer Structure Design for Stable Zinc Metal Anodes

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(46)

Published: Aug. 2, 2024

Regulating the electrical double layer (EDL) structure can enhance cycling stability of Zn metal anodes, however, effectiveness this strategy is significantly limited by individual additives. Inspired high-entropy (HE) concept, we developed a multicomponent (MC) EDL composed La

Language: Английский

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Regulating Interfacial Wettability for Fast Mass Transfer in Rechargeable Metal-Based Batteries

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

The interfacial wettability between electrodes and electrolytes could ensure sufficient physical contact fast mass transfer at the gas-solid-liquid, solid-liquid, solid-solid interfaces, which improve reaction kinetics cycle stability of rechargeable metal-based batteries (RMBs). Herein, engineering multiphase interfaces is summarized from electrolyte electrode aspects to promote interface rate durability RMBs, illustrates revolution that taking place in this field thus provides inspiration for future developments RMBs. Specifically, review presents principle macro- microscale summarizes emerging applications concerning effect on Moreover, deep insight into development provided outlook. Therefore, not only insights but also offers strategic guidance modification optimization toward stable electrode-electrolyte

Language: Английский

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Pre‐Established Ion Transport Pathways Through Electrolyte Initiator for High‐Efficiency Polymer Interface Enabling Ultra‐Stable Aqueous Zinc‐Metal Anodes

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

Published: March 30, 2025

Abstract Achieving stable zinc‐metal anodes is pivotal to realizing high‐performance aqueous batteries (AZMBs). The construction of a functional polymer interface layer on the anode surface confirmed as an effective strategy for mitigating dendrite growth and side reactions, thereby significantly enhancing stability anode. However, polymers capable withstanding electrolyte environments over long term typically suffer from elevated interfacial impedance, which hinders Zn 2+ transport. Here, pioneering enabled by with high‐efficiency ion transport introduced. This polymerized in situ through innovative redox initiation system, where zinc trifluoromethanesulfonate (Zn(OTf) 2 ) salts function both reductant pre‐pathways, ensuring resultant achieves ideal balance ionic conductivity, water resistance, adhesion, mechanical properties, effectively suppressing reactions. Symmetric cells assembled this deliver impressive lifespan 8800 1600 h under 1 5 mA cm −2 , respectively. further demonstrates exceptional feasibility versatility Zn‐NVO Zn‐PANI batteries. work provides groundbreaking insights into strategic design layers AZMBs.

Language: Английский

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Design and Structure of Electrolytes for All‐Weather Aqueous Zinc Batteries

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

Published: Dec. 1, 2024

Abstract Rechargeable aqueous zinc batteries (AZBs) utilizing water‐borne electrolytes are intrinsically safe electrochemical devices that promising in next‐generation energy storage. Such application requires adaptivity to global climate, especially at grid‐scale, thus their stability of performance varying temperatures is critical. Many essential properties AZBs, i.e., ion transfer, redox kinetics, etc., largely governed by the because relatively limited stable phase temperature water. This limitation extremely vital cold regions since charging and discharging become more difficult sub‐zero range due water freezing. Despite development various electrolyte strategies recent years, comprehensive reviews focusing on this topic remain limited. research diverse reasons underneath failure AZBs extreme provides a thorough analysis possible resolutions from an perspective. It starts with challenges faced both high low concerning electrolytes. Different addressing these discussed, providing insights into under conditions. Finally, review concludes summary outlook design structure for all‐weather integrating innovative non‐aqueous battery systems.

Language: Английский

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