Covalent Organic Framework with 3D Ordered Channel and Multi-Functional Groups Endows Zn Anode with Superior Stability

Nano-Micro Letters, Год журнала: 2024, Номер 16(1)

Опубликована: Янв. 4, 2024

Abstract Achieving a highly robust zinc (Zn) metal anode is extremely important for improving the performance of aqueous Zn-ion batteries (AZIBs) advancing “carbon neutrality” society, which hampered by uncontrollable growth Zn dendrite and severe side reactions including hydrogen evolution reaction, corrosion, passivation, etc. Herein, an interlayer containing fluorinated zincophilic covalent organic framework with sulfonic acid groups (COF-S-F) developed on (Zn@COF-S-F) as artificial solid electrolyte interface (SEI). Sulfonic group (− SO 3 H) in COF-S-F can effectively ameliorate desolvation process hydrated ions, three-dimensional channel fluoride (-F) provide interconnected channels favorable transport ions ion-confinement effects, endowing Zn@COF-S-F dendrite-free morphology suppressed reactions. Consequently, symmetric cell stably cycle 1,000 h low average hysteresis voltage (50.5 mV) at current density 1.5 mA cm −2 . Zn@COF-S-F|MnO 2 delivers discharge specific capacity 206.8 mAh g −1 1.2 A after 800 cycles high-capacity retention (87.9%). Enlightening, building SEI metallic surface targeted design has been proved effective strategy to foster practical application high-performance AZIBs.

Язык: Английский

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Recent advances in electrode engineering strategies for aqueous Zn-based batteries

Chem, Год журнала: 2023, Номер 9(5), С. 1118 - 1146

Опубликована: Апрель 25, 2023

Язык: Английский

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Design Strategies for Aqueous Zinc Metal Batteries with High Zinc Utilization: From Metal Anodes to Anode-Free Structures

Nano-Micro Letters, Год журнала: 2024, Номер 16(1)

Опубликована: Янв. 4, 2024

Aqueous zinc metal batteries (AZMBs) are promising candidates for next-generation energy storage due to the excellent safety, environmental friendliness, natural abundance, high theoretical specific capacity, and low redox potential of (Zn) metal. However, several issues such as dendrite formation, hydrogen evolution, corrosion, passivation Zn anodes cause irreversible loss active materials. To solve these issues, researchers often use large amounts excess ensure a continuous supply materials anodes. This leads ultralow utilization squanders density AZMBs. Herein, design strategies AZMBs with discussed in depth, from utilizing thinner foils constructing anode-free structures 100%, which provides comprehensive guidelines further research. Representative methods calculating depth discharge different first summarized. The reasonable modification foil anodes, current collectors pre-deposited Zn, aqueous (AF-AZMBs) improve then detailed. In particular, working mechanism AF-AZMBs is systematically introduced. Finally, challenges perspectives high-utilization presented.

Язык: Английский

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Recent progress of artificial interfacial layers in aqueous Zn metal batteries

EnergyChem, Год журнала: 2022, Номер 4(4), С. 100076 - 100076

Опубликована: Июнь 6, 2022

Язык: Английский

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Hydrogen bond acceptor lined hydrogel electrolyte toward Dendrite-Free aqueous Zn ion batteries with low temperature adaptability

Chemical Engineering Journal, Год журнала: 2023, Номер 464, С. 142607 - 142607

Опубликована: Март 27, 2023

Язык: Английский

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Design of Zn anode protection materials for mild aqueous Zn-ion batteries

Energy Materials, Год журнала: 2022, Номер 2(2), С. 200012 - 200012

Опубликована: Янв. 1, 2022

Rechargeable aqueous Zn-ion batteries (AZIBs) are considered alternative stationary storage systems for large-scale applications due to their high safety, low cost, and power density. However, Zn anode issues including dendrite formation side reactions greatly hinder the practical application of AZIBs. To solve issues, various strategies based on material designs have been developed. It is necessary analyze classify these according different materials, because properties materials determine underlying mechanisms. In this review, we briefly introduce fundamental in anodes. Furthermore, review highlights protection anodes mild Finally, also offer insight into potential directions promote development AZIBs future.

Язык: Английский

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Understanding the Electrical Mechanisms in Aqueous Zinc Metal Batteries: From Electrostatic Interactions to Electric Field Regulation

Advanced Materials, Год журнала: 2023, Номер 36(3)

Опубликована: Ноя. 14, 2023

Abstract Aqueous Zn metal batteries are considered as competitive candidates for next‐generation energy storage systems due to their excellent safety, low cost, and environmental friendliness. However, the inevitable dendrite growth, severe hydrogen evolution, surface passivation, sluggish reaction kinetics of anodes hinder practical application batteries. Detailed summaries prospects have been reported focusing on research progress challenges anodes, including electrolyte engineering, electrode structure design, modification. essential electrical mechanisms that significantly influence 2+ ions migration deposition behaviors not reviewed yet. Herein, in this review, regulation electrical‐related electrostatic repulsive/attractive interactions migration, desolvation, systematically discussed. Meanwhile, electric field strategies promote diffusion uniform comprehensively reviewed, enhancing homogenizing intensity inside adding external magnetic/pressure/thermal couple with field. Finally, future perspectives directions building better applications offered.

Язык: Английский

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Covalent Organic Frameworks: Their Composites and Derivatives for Rechargeable Metal-Ion Batteries

ACS Nano, Год журнала: 2023, Номер 18(1), С. 28 - 66

Опубликована: Дек. 20, 2023

Covalent organic frameworks (COFs) have attracted considerable interest in the field of rechargeable batteries owing to their three-dimensional (3D) varied pore sizes, inerratic porous structures, abundant redox-active sites, and customizable structure-adjustable frameworks. In context metal-ion batteries, these materials play a vital role electrode materials, effectively addressing critical issues such as low ionic conductivity, limited specific capacity, unstable structural integrity. However, electrochemical characteristics developed COFs still fall short practical battery requirements due inherent electronic tradeoff between capacity redox potential, unfavorable micromorphology. This review provides comprehensive overview recent advancements application COFs, COF-based composites, derivatives including lithium-ion, lithium-sulfur, sodium-ion, sodium-sulfur, potassium-ion, zinc-ion, other multivalent batteries. The operational mechanisms are elucidated, along with strategies implemented enhance properties broaden range applications.

Язык: Английский

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Engineering Covalent Organic Frameworks Toward Advanced Zinc‐Based Batteries

Advanced Materials, Год журнала: 2024, Номер 36(24)

Опубликована: Март 16, 2024

Zinc-based batteries (ZBBs) have demonstrated considerable potential among secondary batteries, attributing to their advantages including good safety, environmental friendliness, and high energy density. However, ZBBs still suffer from issues such as the formation of zinc dendrites, occurrence side reactions, retardation reaction kinetics, shuttle effects, posing a great challenge for practical applications. As promising porous materials, covalent organic frameworks (COFs) derivatives rigid skeletons, ordered structures, permanent porosity, which endow them with application in ZBBs. This review, therefore, provides systematic overview detailing on COFs structure pertaining electrochemical performance ZBBs, following an depth discussion challenges faced by includes dendrites reactions at anode, well dissolution, structural change, slow effect cathode. Then, COF-correlated materials roles various are highlighted. Finally, outlined outlook future development is provided. The review would serve valuable reference further research into utilization

Язык: Английский

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Synergistic Modulation of In‐Situ Hybrid Interface Construction and pH Buffering Enabled Ultra‐Stable Zinc Anode at High Current Density and Areal Capacity

Angewandte Chemie International Edition, Год журнала: 2023, Номер 62(45)

Опубликована: Сен. 25, 2023

In aqueous electrolytes, the uncontrollable interfacial evolution caused by a series of factors such as pH variation and unregulated Zn2+ diffusion would usually result in rapid failure metallic Zn anode. Considering high correlation among various triggers that induce anode deterioration, synergistic modulation strategy based on electrolyte modification is developed. Benefitting from unique buffer mechanism additive its capability to situ construct zincophilic solid interface, this effect can comprehensively manage thermodynamic kinetic properties inhibiting parasitic side reactions, accelerating de-solvation hydrated , regulating behavior realize uniform deposition. Thus, modified achieve an impressive lifespan at ultra-high current density areal capacity, operating stably for 609 209 hours 20 mA cm-2 mAh 40 respectively. Based exceptional performance, loading Zn||NH4 V4 O10 batteries excellent cycle stability rate performance. Compared with those previously reported single strategies, concept expected provide new approach highly stable zinc-ion batteries.

Язык: Английский

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