Critical design strategy of electrolyte engineering toward aqueous zinc-ion battery

Chemical Engineering Journal, Год журнала: 2024, Номер 497, С. 154541 - 154541

Опубликована: Авг. 3, 2024

Язык: Английский

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Interfacial chemistry in multivalent aqueous batteries: fundamentals, challenges, and advances

Chemical Society Reviews, Год журнала: 2024, Номер 53(18), С. 8980 - 9028

Опубликована: Янв. 1, 2024

As one of the most promising electrochemical energy storage systems, aqueous batteries are attracting great interest due to their advantages high safety, sustainability, and low costs when compared with commercial lithium-ion batteries, showing promise for grid-scale storage. This invited tutorial review aims provide universal design principles address critical challenges at electrode-electrolyte interfaces faced by various multivalent battery systems. Specifically, deposition regulation, ion flux homogenization, solvation chemistry modulation proposed as key tune inter-component interactions in corresponding interfacial strategies underlying working mechanisms illustrated. In end, we present a analysis on remaining obstacles necessitated overcome use under different practical conditions future prospects towards further advancement sustainable systems long durability.

Язык: Английский

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Eutectic Network Synergy Interface Modification Strategy to Realize High‐Performance Zn‐I₂ Batteries

Advanced Energy Materials, Год журнала: 2024, Номер 14(44)

Опубликована: Авг. 13, 2024

Abstract Zn‐I 2 batteries suffer from uncontrollable shuttle effects of polyiodine ions (I 3 − and I 5 ) at the cathode/electrolyte interface side reactions induced by reactive H O anode/electrolyte interface. In this study, a hydrated eutectic electrolyte is designed that synergizes network functional interfacial adsorbed layer to develop high‐performance batteries. The can restrain active molecules in inhibit reaction effect Additionally, guides nucleation behavior Zn 2+ growth dendrites also separates zinc anode direct contact with corrosion. Theoretical calculation, situ Ultraviolet–visible spectroscopy (UV‐vis) Raman characterizations, visualization experiments demonstrate effectively inhibits shuttling improves reversibility deposition/stripping behavior. Consequently, battery maintain capacity 133 mAh g −1 after 5000 cycles C. This highly efficient synergistic strategy offers practical approach development advanced

Язык: Английский

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Regulating Interfacial Kinetics Boost the Durable Ah-Level Zinc-ion Batteries

Energy & Environmental Science, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

By regulating interfacial kinetics, TG4/H 2 O co-solvent electrolyte promotes dense, dendrite-free Zn electrodeposition, reduces H O-derived side reactions, and enhances cathode stability, enabling high reversibility durability for Ah-level ZIBs.

Язык: Английский

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Maximizing Functional Diversity of Electrolyte Additives through Modular Molecular Engineering to Stabilize Zinc Metal Anodes

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 25, 2025

Abstract Molecule design is significant for achieving the functional diversity of electrolyte additives in aqueous zinc‐ion batteries, yet strategy underutilized. Here modular molecular engineering proposed to segregate and recombine hydrophilic (hydrophobic) zincophobic (zincophilic) modules within maximize efficacy electrolytes promoting Zn stability reversibility. By using an with a polyoxometalate (POM) additive, (NH 4 ) 3 [PMo 12 O 40 ], which contains zincophilic‐hydrophobic polyoxoanion ] 3− zincophobic‐hydrophilic cation NH + , promising system developed. Experimental theoretical analyses unravel that consisting weak [Mo 36 shell encapsulating zincophilic intensifier PO core, can alter 2+ ‐solvation sheath Zn‐electrolyte interface. Meanwhile, disrupts hydrogen bond networks water, synergistically realizing high electrochemical anode at both room low temperatures. As result, Zn//NaV 8 ∙1.5H 2 batteries additive exhibit outstanding cycling stability, over 10 000 cycles 5 A g −1 25 °C 800 0.2 −30 °C. This work highlights significance molecule expands research scope POM chemistry.

Язык: Английский

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Minireview and Perspectives on Functional Electrolyte Additives for Aqueous Zinc-Ion Batteries

Energy & Fuels, Год журнала: 2024, Номер 38(17), С. 15998 - 16009

Опубликована: Авг. 12, 2024

Aqueous zinc-ion batteries (AZIBs) have been extensively recognized as the most viable large-scale energy storage devices due to their low cost, ecofriendliness, and high safety. Nevertheless, zinc anodes in conventional aqueous electrolytes suffer from harmful reactions, including dendrites, hydrogen evolution reaction, corrosion, resulting a short cycle life of AZIBs. In recent years, versatile strategies performed address these problems, among which engineering electrolyte additive is regarded promising approach thanks its advantages simplicity operability. Up now, great deal work on additives has published; therefore, an in-depth fundamental understanding mechanisms urgently needed. this review, we comprehensively overview functional role AZIBs, regulating solvation structure, altering H-bond network, forming adsorption layer, generating electrostatic shielding effect, constructing solid interphase. Lastly, some prospects for future development advanced AZIBs are also suggested review.

Язык: Английский

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All‐Climate Energy‐Dense Cascade Aqueous Zn‐I₂ Batteries Enabled by a Polycationic Hydrogel Electrolyte

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 16, 2025

Abstract The practical development of aqueous zinc‐iodine (Zn‐I 2 ) batteries is greatly hindered by the low energy density resulting from conventional I 0 /I − conversion and limited temperature tolerance. Here, a temperature‐insensitive polycationic hydrogel electrolyte borax‐bacterial cellulose / p (AM‐ co ‐VBIMBr) (denoted as BAVBr) for achieving an energy‐dense cascade Zn‐I battery over wide range −50 to 50 °C designed. A comprehensive investigation, combining advanced spectroscopic investigation DFT calculations, has revealed that presence Br species in gel facilitates reaction /Br . Simultaneously, it activates high voltage + redox through interhalogen formation. Consequently, sequential highly reversible reactions involving , are achieved with assistance −NR 3 units BAVBr, effectively suppressing hydrolysis electrolyte. lead area capacity 0.76 mAh cm −2 at loading 1 mg or 760 g −1 based on mass iodine, demonstrating exceptional long‐term cycling stability °C. This study offers valuable insights into rational design electrolytes high‐energy batteries, specifically tailored wide‐temperature operation.

Язык: Английский

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Ionic Liquid Induced Static and Dynamic Interface Double Shields for Long‐Lifespan All‐Temperature Zn‐Ion Batteries

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 25, 2025

Aqueous Zn-ion batteries (ZIBs) have experienced substantial advancements recently, while the aqueous electrolytes exhibit limited thermal adaptability. The low-cost Zn(BF4)2 salt possesses potential low-temperature application, brings unsatisfied stability of Zn anodes. To address this challenge, an ionic liquid based eutectic electrolyte (ILEE) utilizing presenting remarkable across a temperature range ≈-100-150 °C is developed, enabling ZIBs to operate in diverse conditions. inner Zn2+ solvation structure can be modulated BF4 --rich state within ILEE system, forming static ZnF₂ layer at electrolyte-Zn anode interface, as evidenced by ab initial molecular dynamic simulations. Moreover, positively charged EMIM+ accumulate on anodes form secondary electrostatic shield that mitigates uncontrollable dendrites growth, enhancing overall cycling life over 10 times compared with pure system. When electrolyte, PANI||Zn full cells demonstrate acceptable performances under all-temperature environments, especially long 9500 cycles low -40 and 500 high 60 °C. This special holds significant promise for future extreme environment.

Язык: Английский

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Advanced Aqueous Electrolytes for Aluminum-Ion Batteries: Challenges and Opportunities

Energy storage materials, Год журнала: 2025, Номер unknown, С. 104211 - 104211

Опубликована: Март 1, 2025

Язык: Английский

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A Deep Eutectic Solvent Electrolyte Enables Planar Cu Deposition and High‐Temperature Cu–MnO₂ Battery

Chemistry - A European Journal, Год журнала: 2025, Номер unknown

Опубликована: Март 30, 2025

Abstract Cu anodes exhibit a higher theoretical specific capacity (843 mAh g −1 or 7558 cm −3 ) than Zn (820 5855 ), and have garnered widespread attention. However, aqueous Cu‐ion batteries suffer from severe dendrite growth, limited cycle life, poor high‐temperature performance. To the best of our knowledge, this is first time that deep eutectic solvent (DES) electrolyte proposed to address these issues. Fourier transform infrared spectroscopy molecular dynamics simulations confirm DES coordinates with 2+ , thereby modulating deposition behavior. Consequently, planar extended life (6000 h versus 730 h) are achieved. Furthermore, exhibits promising application potential under harsh conditions. A Cu─MnO 2 full cell retains 174.8 after 300 cycles at 50 °C.

Язык: Английский

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