Recent Progress on Zn Anodes for Advanced Aqueous Zinc‐Ion Batteries

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(28)

Published: June 17, 2023

Abstract Aqueous Zn‐ion batteries (AZIBs) have attracted much attention due to their excellent safety, cost‐effectiveness, and eco‐friendliness thereby being considered as one of the most promising candidates for large‐scale energy storage. Zn metal anodes with a high gravimetric/volumetric capacity are indispensable advanced AZIBs. However, pristine encounter severe challenges in achieving adequate cycling stability, including dendrite growth, hydrogen evolution reaction, self‐corrosion, by‐product formation. Because all these reactions closely related electrolyte/Zn interface, subtle interface engineering is important. Many strategies targeted been developed. In this review, timely update on perspectives summarized, especially focusing controllable synthesis Zn, surface engineering, electrolyte formulation, separator design. Furthermore, corresponding internal principles clarified, which helpful help seek new strategies. Finally, future development practical AZIBs discussed, conducting situ testing, unification battery models, some boundary issues, etc. This review expected guide provi beacon light direction aqueous zinc ion batteries.

Language: Английский

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Charge‐Enriched Strategy Based on MXene‐Based Polypyrrole Layers Toward Dendrite‐Free Zinc Metal Anodes

Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 12(13)

Published: Feb. 9, 2022

Abstract Although zinc metal anodes have some intrinsic advantages for aqueous ion batteries, the notorious dendrites hamper its practical applications. Herein, a charge‐enriched strategy through MXene‐based polypyrrole (MXene‐mPPy) layers is explored toward dendrite‐free Zn anode. The MXene‐mPPy composed of mesoporous PPy on both sides Ti 3 C 2 T x ‐MXene exhibit an exceptional charge enrichment ability (149 F g −1 , 5 mV s ), which beneficial not onlying terms accumulating levels, but also to homogenize dispersions electric field and flux as used artificial interface Thus, anode with ultralong cycling lifespan up 2500 h superior rate capability achieved, further applied batteries long‐term span over 3000 cycles at 10 A .

Language: Английский

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Opportunities and challenges of zinc anodes in rechargeable aqueous batteries

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(23), P. 11987 - 12001

Published: Jan. 1, 2023

This review summarizes the fundamental understanding of issues and strategies on zinc anode. The electrolyte engineering is discussed. Techniques applied analysing interaction between anodes electrolytes are summarized.

Language: Английский

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Functionalization design of zinc anode for advanced aqueous zinc‐ion batteries

SusMat, Journal Year: 2024, Volume and Issue: 4(2)

Published: Feb. 14, 2024

Abstract Rechargeable aqueous zinc‐ion batteries (AZIBs) offer high energy density, low cost, and are environmentally friendly, rendering them potential storage devices. However, dendrite growth on the zinc anode numerous side reactions during operation challenge their commercialization. Recent advancements have introduced various materials for functionalization of anodes. These developments effectively mitigate performance degradation anode, enhancing both its cycle stability overall AZIBs. Herein, construction functionalized anodes is discussed, current (including organic, inorganic composites) modified categorized, protective mechanism behind analyzed. The study concludes by outlining characteristics suitable dendritic‐free prospects future development directions in

Language: Английский

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Blocking the Dendrite‐Growth of Zn Anode by Constructing Ti₄O₇ Interfacial Layer in Aqueous Zinc‐Ion Batteries

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(25)

Published: Feb. 9, 2024

Abstract Zinc metal is a promising choice as high‐capacity and cost‐effective anode for aqueous zinc‐based batteries. However, it faces challenges related to low cycling stability poor reversibility due parasitic reactions the growth of zinc dendrites. In this study, solution proposed by introducing conductive Ti 4 O 7 layer on enhance electrode stability. The serves dual purpose, effectively preventing spontaneous corrosion in electrolyte, thereby inhibiting hydrogen evolution reaction generation byproducts. Simultaneously, promotes Zn nucleation ensures uniform electric field distribution, resulting homogeneous plating stripping compared using bare anode. Consequently, ‐coated experiences significant reduction over‐potential, demonstrating long‐term dendrite‐free behavior. This outcome polarization potential high zinc‐ion work underscores oxides development stable electrodes.

Language: Английский

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Achieving stable Zn anode via artificial interfacial layers protection strategies toward aqueous Zn-ion batteries

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 517, P. 216044 - 216044

Published: June 26, 2024

Language: Английский

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Construction of Stable Zn Metal Anode by Inorganic Functional Protective Layer Toward Long-Life Aqueous Zn-Ion Battery

Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103628 - 103628

Published: July 8, 2024

Language: Английский

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A high-performance COF-based aqueous zinc-bromine battery

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 451, P. 138915 - 138915

Published: Aug. 30, 2022

Language: Английский

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Revisiting recent and traditional strategies for surface protection of Zn metal anode

Journal of Power Sources, Journal Year: 2022, Volume and Issue: 525, P. 231122 - 231122

Published: Feb. 12, 2022

Language: Английский

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Copper Nanoparticle-Modified Carbon Nanofiber for Seeded Zinc Deposition Enables Stable Zn Metal Anode

ACS Sustainable Chemistry & Engineering, Journal Year: 2022, Volume and Issue: 10(38), P. 12630 - 12641

Published: Sept. 13, 2022

Challenges with the Zn anode for aqueous zinc ion batteries have hindered their practical applications, such as uncontrollable formation of dendrite and serious side reactions. Herein, we fabricate a flexible coating layer porous conductive carbon networks (Cu@CNFs) by simple electrospinning method to construct stable anode. It can uniformly distribute charge, regulate Zn2+ flux, stabilize Moreover, zincopilic Cu nanoparticles (CuNPs) in act nucleation seeds facilitate homogeneous deposition inhibit its growth. Density functional theory calculations further demonstrated zincophilicity CuNPs seeds. As result, Cu@CNFs-Zn demonstrates lower overpotential (58.3 mV at 5.0 mA cm–2) higher Coulombic efficiency compared bare CNFs-Zn anodes. Remarkably, provide cycle over 2200 h 1.0 cm–2 capacity mAh cm–2. Cu@CNFs-Zn//V2O5 battery achieves superior cyclability up 1000 cycles 0.5A g–1, which is attributed large surface areas CNFs Cu@CNFs coating.

Language: Английский

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