A zincophilic ion-conductive layer with the desolvation effect and oriented deposition behavior achieving superior reversibility of Zn metal anodes

Yang, Wang; Duan, Guosheng; Luo, Bin; Zheng, Sinan; Huang, Jingyun; Ye, Zhizhen

doi:10.1039/d3ta02502k

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta02502k

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A zincophilic ion-conductive layer with the desolvation effect and oriented deposition behavior achieving superior reversibility of Zn metal anodes

Wang Yang

Guosheng Duan

Bin Luo

et al.

Abstract: The commercialization of aqueous zinc batteries is severely hindered by Zn metal anode due to its corrosion, parasitic reaction, and uncontrollable dendrite growth. Herein, a zincophilic ion-conductive layer that promotes...

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Cited by 7 publications

References 51 publications

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Enabling and Boosting Preferential Epitaxial Zinc Growth via Multi‐Interface Regulation for Stable and Dendrite‐Free Zinc Metal Batteries

Wang,

Ren,

Wang

et al. 2024

Advanced Energy Materials

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The practical application of aqueous Zn‐metal anodes (AZMAs) is mainly impeded by the short cycling life and unsatisfactory reversibility springing from the notorious Zn dendrite growth and detrimental water‐induced parasitic reactions at anode‐electrolyte interface. To tackle these challenges, a multifunctional interface of Sn‐modified Ti3C2Cl2 MXene (denoted as Sn‐MXene) with high zincophilic and hydrophobic properties is rationally designed via a 1‐step strategy with a novel molten salt etching to achieve dendrite‐free Zn deposition. Experimental results and theoretical calculations reveal that the Sn nanoparticles can induce a strongly zincophilic surface with high Zn2+ adsorption, and the Ti3C2Cl2 MXene significantly decreases the surface energy of the Zn (002) plane, guiding the zinc‐preferred orientation along the (002) plane in the electroplating growth process. Moreover, the hydrophobic properties of ‐Cl terminations of the protective interface for the Zn anode can regulate Zn‐ion solvation structure to mitigate H2O‐decomposition‐induced side reactions, and guarantee a steady stream of Zn2+ flux. Encouragingly, benefiting from the Sn‐MXene layer, a side reaction‐free and dendrite‐free Zn anode with an excellent lifespan is achieved, which is further applied as an anode for full battery (Sn‐MXene‐Zn//α‐MnO2) with a long‐term span over 800 cycles under 1 A g–1 with a capacity retention of 96%.

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Enabling and Boosting Preferential Epitaxial Zinc Growth via Multi‐Interface Regulation for Stable and Dendrite‐Free Zinc Metal Batteries

Wang,

Ren,

Wang

et al. 2024

Advanced Energy Materials

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Stabilizing Zn Anodes with Interfacial Engineering for Aqueous Zinc‐ion Batteries

Lu,

Shao,

Yan

et al. 2023

Batteries & Supercaps

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Aqueous zinc‐ion batteries (ZIBs) have been regarded as a promising candidate for the next‐generation energy‐storage devices due to their intrinsic safety, low cost, resource abundance, and environmental friendliness. Nevertheless, the commercial applications of ZIBs have been largely plagued by the instability of the Zn anodes. Interfacial engineering arises as a straightforward and effective method to address the instability issues for the development of high‐performance ZIBs. In this review, a comprehensive overview of recent progress and perspective in interfacial engineering techniques to stabilize Zn anodes in ZIBs is presented. With emphasis on the critical issues regarding the instability problems, including Zn dendrites, hydrogen evolution reaction (HER), corrosion and passivation, the major effects and the underlying mechanisms are analyzed, and the corresponding interfacial engineering strategies as well as analytical technologies are summarized. The existing challenges and opportunities in interfacial engineering are also prospected for the future development of high‐performance ZIBs.

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Electrolyte Solvation Chemistry for Stabilizing the Zn Anode via Functionalized Organic Agents

Zhang,

Fu,

Ding

et al. 2024

Small

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As a potential candidate for grid‐scale energy storage technology, aqueous Zn‐ion batteries (ZIBs) have attracted considerable attention due to their intrinsic safety, environmental friendliness, and ease of fabrication. Nevertheless, the road to industry for this technique is hindered by serious issues, including undesired side reactions, random growth of the Zn dendrites, electrode passivation, and anode corrosion, which are associated with the high reactivity of water molecules during the electrochemical reactions. These challenges are strongly dependent on electrolyte solvation chemistry (ESC), which subsequently determines the electrochemical behavior of the metal ions and water molecules on the electrode surface. In this work, a comprehensive understanding of optimized ESC with specified functional groups on the mixing agents to stabilize the Zn anode is provided. First, the challenges facing the ZIBs and their chemical principles are outlined. Specific attention is paid to the working principles of the mixing agents with different functional groups. Then the recent progress is summarized and compared. Finally, perspectives on future research for the aqueous Zn batteries are presented from the point of view.

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A zincophilic ion-conductive layer with the desolvation effect and oriented deposition behavior achieving superior reversibility of Zn metal anodes

Abstract: The commercialization of aqueous zinc batteries is severely hindered by Zn metal anode due to its corrosion, parasitic reaction, and uncontrollable dendrite growth. Herein, a zincophilic ion-conductive layer that promotes...

Cited by 7 publications

References 51 publications

Enabling and Boosting Preferential Epitaxial Zinc Growth via Multi‐Interface Regulation for Stable and Dendrite‐Free Zinc Metal Batteries

Enabling and Boosting Preferential Epitaxial Zinc Growth via Multi‐Interface Regulation for Stable and Dendrite‐Free Zinc Metal Batteries

Stabilizing Zn Anodes with Interfacial Engineering for Aqueous Zinc‐ion Batteries

Electrolyte Solvation Chemistry for Stabilizing the Zn Anode via Functionalized Organic Agents

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