Crystallographic Manipulation Strategies toward Reversible Zn Anode with Orientational Deposition

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(25)

Published: April 24, 2024

Abstract The reversibility and sustainability of Zn anode are greatly hampered by the dendrite growth side reactions. Orientational deposition, which allows assembly deposits in a highly ordered compact manner, offers solution to these issues enabling dendrite‐free anodes. Moreover, orientational deposition can effectively inhibit reaction reducing exposed surface area electrode. Despite significant progress field there is still lack clear guidelines for regulating orientation, underlying mechanisms remain rather elusive. Therefore, comprehensive review urgently needed provide mechanistic insight into deposition. This summarizes burgeoning strategies steering categorizing corresponding five aspects: heteroepitaxial homoepitaxial interfacial cultivation, crystal facet anchoring, current density regulation. distinct advantages limitations each mechanism controlling orientation discussed detail. Finally, challenges future trends pertaining envisaged, aiming essence realize reversible anodes ultimately bridge gap between reality ideal aqueous Zn‐ion batteries.

Language: Английский

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Construction of a Composite Sn‐DLC Artificial Protective Layer with Hierarchical Interfacial Coupling Based on Gradient Coating Technology Toward Robust Anodes for Zn Metal Batteries

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(38)

Published: July 7, 2024

Abstract Developing a robust zinc (Zn) anode, free from Zn dendrites and unwanted side reactions, relies on designing durable efficient interfacial protection layer. In this study, gradient coating technology is employed to construct hierarchically structured composite of Sn with diamond‐like carbon (DLC/Sn‐DLC) as an artificial protective The DLC framework endows DLC/Sn‐DLC layer high stability adaptability, achieving long‐term the anode–electrolyte interface. gradual‐composite Sn, its Sn─O─C interface chemical bonds, facilitates rapid charge transfer offers ample zincophilic sites at base, promoting uniform 2+ reduction reaction deposition. Additionally, exhibits “lotus effect” favorable hydrophobic properties, preventing water‐reduced reactions. Leveraging structural design synergistic cooperation DLC/Sn‐DLC@Zn electrode demonstrates remarkable plating/stripping reversibility, eliminating Notably, under current density 10 mA cm −2 , anode‐based symmetrical cell stable operation for over 1550 h, low nucleation overpotential 101 mV. DLC/Sn‐DLC@Zn||Mn 3 O 4 ‐CNTs full battery delivers capacity 109.8 mAh after 5800 cycles 2 A g −1 pouch shows potential energy storage applications.

Language: Английский

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Designing Current Collectors to Stabilize Li Metal Anodes

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

Published: Jan. 5, 2025

Rechargeable batteries employing Li metal anodes have gained increasing attention due to their high energy density. Nevertheless, low stability and reversibility of severely impeded practical applications. Designing current collectors (CCs) with reasonable structure composition is an efficient approach stabilizing the anodes. However, in-depth comprehensive understanding about design principles modification strategies CCs for realizing stable still lacking. Herein, a critical review focusing on rational summarized. First, requirements in are elucidated clarify objectives CCs. Then, including lithiophilic site modification, 3D architecture construction, protective layer crystalline plane engineering, as well corresponding highlighted. On this basis, recent progress development discussed. Finally, future directions suggested focus developing operando monitoring technology, designing cells under conditions close commercial This will spur more insightful researches toward advanced CCs, promote commercialization.

Language: Английский

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Recent Advances in Current Collectors for Aqueous Zinc‐ion Batteries

The Chemical Record, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 5, 2025

Abstract Aqueous zinc‐ion batteries (AZIBs) are promising options for large‐scale electrical energy storage because of their safety, affordability, and environmental friendliness. As an indispensable component AZIBs, a current collector plays crucial role in supporting electrode materials collecting the accumulated energy. Recently, some progress has been made study collectors AZIBs; however, only few comprehensive reviews on this topic available. In review, systematic summary discussion research AZIBs is presented. Furthermore, main challenges key prospects future development discussed.

Language: Английский

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Copper‐based materials in anode electrode of aqueous zinc metal batteries

cMat., Journal Year: 2024, Volume and Issue: 1(2)

Published: Sept. 1, 2024

Abstract Aqueous zinc metal batteries have attracted much attention in the field of large‐scale energy storage due to their abundant resources, high safety, low cost, and theoretical density. However, Zn anodes suffer from serious problems such as dendrite growth, hydrogen evolution reaction, corrosion, passivation. Cu‐based materials a wide range applications excellent zincophilicity. Unfortunately, relevant review on anode electrode is still lacking. This focuses progress, issues, optimization strategies anodes. The application Cu collectors corresponding modifications are also highlighted. Finally, insights future directions related for modified presented provide scientific guidance research.

Language: Английский

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Nitrogen and Oxygen Co‐Doped Graphene Quantum Dots as a Trace Amphipathic Additive for Dendrite‐Free Zn Anodes

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

Published: Oct. 12, 2024

Abstract The practical implementation of aqueous zinc‐ion batteries (AZIBs) has encountered obstacles stemming from the limited reversibility zinc anode, primarily due to dendrite proliferation and water‐induced reactions occurring. In this investigation, a novel bifunctional interphase is proposed by integrating nitrogen oxygen group graphene quantum dot (N‐O‐GQD) additives into electrolyte. Experimental results theoretical calculations demonstrate that amphipathic N‐O‐GQD additive enhances stability electrode forming protection layer on Zn surface. zincophilic hydrophobic function groups stick surface electrodes form shields water molecules promotes uniform deposition Zn. hydrophilic hydroxyl are exposed electrolyte improve compatibility at electrode/electrolyte interface. As result, enables robust cycling performance high depth discharge (DOD). Significantly, cells incorporating N‐O‐GQDs remarkable Coulombic efficiency 99.7% over 900 cycles sustain dendrite‐free for 564 h (DOD = 51%). Particularly noteworthy modified Zn||ZnVO full cell with behavior, enduring 4 000 10 A g −1 .

Language: Английский

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Construction of hydrophilic and hydrophobic hybrid interface to achieve controlled zinc deposition for aqueous Zn-ion batteries

Energy storage materials, Journal Year: 2024, Volume and Issue: 72, P. 103761 - 103761

Published: Sept. 1, 2024

Language: Английский

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Advancements in Zinc Reversibility and Utilization for Practical Aqueous Zinc‐Ion Battery Applications

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

Published: April 22, 2025

Abstract Aqueous zinc‐ion batteries (AZIBs) have become critical in driving the advancement of large‐scale energy storage systems due to their high specific capacity, safety, environmental friendliness, and low cost. However, fundamental challenges associated with Zn anodes, including dendrite growth, hydrogen evolution reaction, corrosion, zinc utilization, significantly hinder improvement cyclic stability density AZIBs. In light these challenges, considerable efforts been devoted exploring stable while a significant gap persists between current research advancements practical working conditions. Therefore, this review first reveals detailed mechanisms formation, as well influence utilization on AZIB systems. addition, recent various modification strategies for improving anodes are summarized, corresponding investigated. Finally, key factors advancing development application AZIBs clarified, goal bridging status future demands.

Language: Английский

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Oriented Metal Stripping for Highly Reversible Zinc Anode

Small, Journal Year: 2024, Volume and Issue: unknown

Published: June 16, 2024

Abstract Aqueous zinc metal batteries are a viable candidate for next‐generation energy storage systems, but suffer from poor cycling efficiency of the Zn anode. Emerging approaches aim to regulate plating behavior suppress uncontrolled dendrites, while stripping process is seldom considered. Herein, an oriented strategy demonstrated stabilize anode by removing high‐index facets exposing (002) plane through addition anionic additive sodium citrate (SC). Consequently, that coordinate strongly with SC preferentially stripped out due reduced barrier, rendering stable facet preponderant in epitaxial plating. After repeat stripping/plating, ultra‐high proportion 93% and large‐size grains ≈100 µm (six times larger than before) can be obtained. shows continuous 25 000 cycles low overpotential at 100 mA cm −2 symmetric cells more 70 h operation even depth discharge 92.3%. Moreover, extremely long lifespan 12 10 A g −1 high capacity retention 89% achieved assembled Zn//I 2 battery. This work provides distinctive approach improving design highly efficient anodes promising aqueous batteries.

Language: Английский

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Mechanism and Structural Defects of Zinc Film Deposited on a Copper Substrate: A Study via Molecular Dynamics Simulations

Coatings, Journal Year: 2025, Volume and Issue: 15(2), P. 174 - 174

Published: Feb. 4, 2025

Epitaxial growth can be used to guide the controllable of one metal on surface another substrate by matching interface lattice, thus improving dendrite tendency growth. The atomic arrangement Cu (111) crystal plane FCC structure is similar that Zn (0002) HCP structure, which theoretically expected promote heterogeneous epitaxial nucleation zinc under low strain. In this paper, molecular dynamics method simulate process film surface. It found behavior zinc-adsorbed atoms conforms mode. close-packed grown along direction layered clusters tiled surface, forming a highly ordered low-lattice-mismatch interface. When large area cover substrate, mode will change from heteroepitaxial homoepitaxial film, lamellar distribution composed and grains. Polycrystalline with planar preferred plane. increase in incident energy helpful quality films, while deposition rate, corresponding temperature electrolyte ion concentration, has no significant effect morphology single films. summary, strong guiding crystal, suitable for induce

Language: Английский

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