Emerging strategies for steering orientational deposition toward high-performance Zn metal anodes

Energy & Environmental Science, Journal Year: 2022, Volume and Issue: 15(12), P. 5017 - 5038

Published: Jan. 1, 2022

Obtaining smooth plating layers by steering Zn orientational deposition is the key to achieving longevous anodes. The design strategies of inducing and relating mechanistic insights are reviewed.

Language: Английский

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Multifunctional SEI-like structure coating stabilizing Zn anodes at a large current and capacity

Energy & Environmental Science, Journal Year: 2022, Volume and Issue: 16(1), P. 275 - 284

Published: Nov. 30, 2022

The SEI-like structure coating can combine the advantages of each component and give sufficient mechanical stability to coating. establishment fast Zn 2+ migrating pathway supports cycling anode at large current capacity.

Language: Английский

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Functionalized Separator Strategies toward Advanced Aqueous Zinc‐Ion Batteries

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(20)

Published: April 7, 2023

Abstract Aqueous zinc‐ion batteries (ZIBs) enjoy a good reputation for being safe, affordable to produce, and ecologically friendly due the use of water‐based electrolytes. The main factors restricting development ZIBs, however, are negative effects dendrite deposition on zinc anode dissolution common cathodes such as Mn V‐based cathodes. Various techniques have been used address these issues, including regulating electrolyte concentration or solvation structure, developing coating current collector lessen growth, improving structural stability cathode. Recently, functionalized separator strategies gained popularity effective ways improve ZIB performance. is also practical technique save costs increase volumetric energy density battery by substituting usual thick expensive glass fiber separator. separators in ZIBs subject ongoing research, this work presents most recent findings systematic manner, focusing both methods prepare modify them. Finally, brief explanation constraints future potential provided.

Language: Английский

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Construct Robust Epitaxial Growth of (101) Textured Zinc Metal Anode for Long Life and High Capacity in Mild Aqueous Zinc‐Ion Batteries

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(5)

Published: Nov. 23, 2023

Abstract Aqueous zinc‐metal batteries are considered to have the potential for energy storage due their high safety and low cost. However, practical applications of zinc limited by dendrite growth side reactions. Epitaxial is an effective method stabilizing Zn anode, especially manipulating (002) plane deposited zinc. texture difficult achieve stable cycle at capacity its large lattice distortion uneven electric field distribution. Here, a novel anode with highly (101) (denoted as (101)‐Zn) constructed. Due unique directional guidance strong bonding effect, (101)‐Zn can dense vertical electroepitaxy in near‐neutral electrolytes. In addition, grain boundary area inhibits occurrence The resultant symmetric cells exhibit excellent stability over 5300 h (4 mA cm −2 2 mAh ) 330 (15 10 ). Meanwhile, life Zn//MnO full cell meaningfully improved 1000 cycles.

Language: Английский

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Optimization strategies toward advanced aqueous zinc-ion batteries: From facing key issues to viable solutions

Nano Energy, Journal Year: 2023, Volume and Issue: 116, P. 108858 - 108858

Published: Sept. 2, 2023

Language: Английский

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Synchronous Dual Electrolyte Additive Sustains Zn Metal Anode with 5600 h Lifespan

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(10)

Published: Jan. 10, 2023

Despite conspicuous merits of Zn metal anodes, the commercialization is still handicapped by rampant dendrite formation and notorious side reaction. Manipulating nucleation mode deposition orientation a key to rendering stabilized anodes. Here, dual electrolyte additive strategy put forward via direct cooperation xylitol (XY) graphene oxide (GO) species into typical zinc sulfate electrolyte. As verified molecular dynamics simulations, incorporated XY molecules could regulate solvation structure Zn2+ , thus inhibiting hydrogen evolution reactions. The self-assembled GO layer in favor facilitating desolvation process accelerate reaction kinetics. Progressive orientational can be realized under synergistic modulation, enabling dense uniform deposition. Consequently, symmetric cell based on additives harvests highly reversible cycling 5600 h at 1.0 mA cm-2 /1.0 mAh .

Language: Английский

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Improved Strategies for Separators in Zinc‐Ion Batteries

ChemSusChem, Journal Year: 2023, Volume and Issue: 16(8)

Published: March 3, 2023

The demand for energy storage is growing, and the disadvantages of lithium-ion batteries are being explored to overcome them. Accordingly, aqueous zinc-ion (ZIBs) developing very rapidly, owing their high safety, environmental friendliness, abundance resources, cost performance. Over last decade, ZIBs have made remarkable progress through extensive efforts in field electrode materials fundamental understanding non-electrode components, such as solid-electrolyte interphase, electrolytes, separators, binders, current collectors. In particular, breakthrough using separators on elements should not be overlooked proven key conferring with power density. this Review, recent development comprehensively summarized based functions roles ZIBs, including modification conventional novel separators. Finally, prospects future challenges also discussed facilitate development.

Language: Английский

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3D network of zinc powder woven into fibre filaments for dendrite-free zinc battery anodes

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 481, P. 148393 - 148393

Published: Dec. 27, 2023

Language: Английский

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A Functional Janus Ag Nanowires/Bacterial Cellulose Separator for High‐Performance Dendrite‐Free Zinc Anode Under Harsh Conditions

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(47)

Published: Sept. 20, 2023

Aqueous zinc-ion batteries (AZIBs) offer promising prospects for large-scale energy storage due to their inherent abundance and safety features. However, the growth of zinc dendrites remains a primary obstacle practical industrialization AZIBs, especially under harsh conditions high current densities elevated temperatures. To address this issue, Janus separator with an exceptionally ultrathin thickness 29 µm is developed. This features bacterial cellulose (BC) layer on one side Ag nanowires/bacterial (AgNWs/BC) other side. High zincophilic property excellent electric/thermal conductivity AgNWs make them ideal serving as ion pump accelerate Zn2+ transport in electrolyte, resulting greatly improved conductivity, deposition homogeneous Zn nuclei, dendrite-free Zn. Consequently, Zn||Zn symmetrical cells exhibit stable cycle life over 1000 h 80 mA cm-2 are sustained 600 at 10 50 °C. Further, enables cycling stability aqueous capacitors (AZICs), scaled-up flexible soft-packaged batteries. study demonstrates potential functional separators promoting application batteries, particularly conditions.

Language: Английский

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Amino‐Enabled Desolvation Sieving Effect Realizes Dendrite‐Inhibiting Thin Separator for Durable Aqueous Zinc‐Ion Batteries

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(52)

Published: Sept. 15, 2023

Abstract The cyclability of aqueous zinc‐ion batteries is greatly influenced by Zn dendrites and parasitic reactions. Although separator modifications have proven to be effective in addressing these issues, most the developed separators are too thick meet practical requirements. Herein, an amino (−NH 2 )‐functionalized Zr‐based metal–organic framework (MOF), i.e., UiO‐66‐NH , incorporated into lignocellulose separator. functional groups not only possess good zincophilicity but also strongly interact with H O molecules through hydrogen bonding. Therefore, abundant intersecting subnano‐sized channels within act as desolvation sieves facilitate migration uniform distribution 2+ ions. Even at a rather low thickness 20 µm, modified can significantly improve reversibility electrochemistry suppress water‐induced evolution. With use this separator, electrodes demonstrate working life exceeding 2000 h current density mA cm −2 remarkable dendrite‐free characteristic remain operationally viable under ultrahigh areal capacity 25 mAh . Additionally, resultant Zn//MnO battery provides superior rate capability excellent cyclability. This study novel insights utilization inhibit unfavorable phenomena batteries.

Language: Английский

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