Triple Regulation of Water Molecules Behavior to Realize High Stability and Broad Temperature Tolerance in Aqueous Zinc Metal Batteries via a Novel Cost‐Effective Eutectic Electrolyte

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

Published: Dec. 6, 2024

Abstract The high activity of water in aqueous electrolyte causes drastic side reactions on the Zn anodes, severely limiting electrochemical performance zinc metal batteries (AZMBs) under extreme conditions. Herein, levulinic acid is developed as hydrated deep eutectic solvent (DES), to build a novel non‐flammable and cost‐effective ZnSO 4 ‐based with triple regulation molecules behavior, enabling highly stable AZMBs over wide temperature. In situ experiments, molecular dynamics simulations, spectroscopy analysis jointly reveal that DES capable comprehensively lowering by simultaneously controlling behavior free, solvated, interfacial within system. Consequently, anodes exhibit ultralong cycling stability (4500 h at 1 mA cm −2 /1 ), decent Coulombic efficiency 99.39%, excellent temperature tolerance (−20–50 °C). Notably, designed 2.0 Ah Zn//VOX pouch cell exhibits recorded actual energy density 37.46 Wh Kg −1 95.38 L whole level, remarkable capacity retention 81.01% after 150 cycles, demonstrating potential for scale‐up into real AZMBs. This work provides an in‐depth understanding correlation between molecule properties

Language: Английский

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Zinc-ion batteries at elevated temperatures: linking material design to wearable/biocompatible applications

Advanced Composites and Hybrid Materials, Journal Year: 2025, Volume and Issue: 8(1)

Published: Jan. 17, 2025

Language: Английский

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Electrolyte Design Strategies for Aqueous Sodium‐Ion Batteries: Progress and Prospects

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

Published: Sept. 6, 2024

Abstract Sodium‐ion batteries (SIBs) have emerged as one of today's most attractive battery technologies due to the scarcity lithium resources. Aqueous sodium‐ion (ASIBs) been extensively researched for their security, cost‐effectiveness, and eco‐friendly properties. However, aqueous electrolytes are extremely limited in practical applications because narrow electrochemical stability window (ESW) with poor low‐temperature performance. The first part this review is an in‐depth discussion reasons inferior performance electrolytes. Next, research progress extending stabilization improving using various methods such “water‐in‐salt”, eutectic, additive‐modified highlighted. Considering shortcomings existing solid electrolyte interphase (SEI) theory, recent on solvation behavior summarized based which elucidates correlation between structure performance, three upgrade by modulating introduced detail. Finally, common design ideas high‐temperature resistant that hoped help future wide temperature ranges summarized.

Language: Английский

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Boosting the Anode and Cathode Stability Simultaneously by Interfacial Engineering via Electrolyte Solvation Structure Regulation Toward Practical Aqueous Zn‐ion Battery

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

Published: Sept. 24, 2024

Abstract The application of zinc‐ion batteries (ZIBs) is seriously challenged by the poor stability Zn anode and cathode in aqueous solution, which closely associated with electrolyte structure water reactivity. Herein, issues both for can be simultaneously addressed via tuning solvation hybrid tripropyl phosphate (TPP) as co‐solvent. On anode, a robust poly‐inorganic solid interphase (SEI) layer comprised 3 (PO 4 ) 2 ‐ZnS‐ZnF species situ formed, effectively suppressing parasitic reaction dendrite evolution. For V O 5 cathode, notorious vanadium dissolution restricted improved achieved. optimized facilitates reversible redox kinetics at anode. Consequently, Zn||Zn cells display extended cycling lifespans over 3000 h 1 mA cm −2 , mAh . Zn||V full deliver high capacity 261.8 g −1 hold retention 73.6% upon 500 cycles even operated harsh conditions thin (10 µm) low negative/positive (N/P) ratio ≈4.3, also showcase impressive performance regard to rate storage performance, further emphasizing potential regulation tactics advancing commercialization ZIBs.

Language: Английский

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Recent progress on modification strategies of both metal zinc anode and manganese dioxide cathode materials for high-performance aqueous zinc-ion batteries

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 523, P. 216255 - 216255

Published: Oct. 4, 2024

Language: Английский

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Electrolyte Design via Cation–Anion Association Regulation for High-Rate and Dendrite-Free Zinc Metal Batteries at Low Temperature

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(46), P. 31612 - 31623

Published: Nov. 12, 2024

Low-temperature zinc metal batteries (ZMBs) are highly challenged by Zn dendrite growth, especially at high current density. Here, starting from the intermolecular insights, we report a cation-anion association modulation strategy matching different dielectric constant solvents and unveil relationship between strength plating/stripping performance low temperatures. The combination of comprehensive characterizations theoretical calculations indicates that moderate ion electrolytes with ionic conductivity (12.09 mS cm

Language: Английский

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Eutectic-electrolyte-enabled zinc metal batteries towards wide temperature and voltage windows

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(19), P. 7330 - 7341

Published: Jan. 1, 2024

A nonflammable eutectic electrolyte, with wide electrochemical (3.0 V vs. Zn/Zn 2+ ) and thermal (−70 to 160 °C) windows, eliminates hydrogen evolution, induces robust solid–electrolyte interphase broadens temperature/voltage range of Zn batteries.

Language: Английский

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In‐Situ Construction of Solid Electrolyte Interphases with Gradient Zincophilicity for Wide Temperature Zinc Ion Batteries

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

Published: Dec. 9, 2024

Abstract Dendrite growth and parasitic side reactions on zinc (Zn) metal anode are major challenges limiting the practical application of aqueous ion batteries (AZIBs), particularly under wide temperatures conditions. This study proposes a novel hydrated deep eutectic solvent based electrolyte by using ethylene glycol (EG) SnI 4 , enabling AZIBs to achieve excellent cycling life from −30 60 °C. Spectroscopic characterizations reveal H 2 O molecules effectively confined within network due dual effects Zn 2+ coordination EG hydrogen bonding, thereby weakening free water activity broadening electrochemical window. Furthermore, resulting dissociation‐reduction an organic‐inorganic hybridized solid interphase (SEI) layer is formed surface with zincophile gradient, this gradient SEI inhibits evolution regulates oriented deposition. The Zn//Zn symmetric cell utilizing achieves remarkable stability over 7800 h at room temperature, 6000 °C, 2500 work provides insights into new approach formation mechanism anode, which demonstrates significant potential for developing high

Language: Английский

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Dendrite‐Free Zn Anode Enabled by Dual‐Function Itaconic Acid Electrolyte Additive Via Controllable Acidic Environment and In Situ Interfacial Protective Layer for Durable Aqueous Zinc Ion Batteries

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

Published: Feb. 5, 2025

Abstract The side reactions and dendritic growth largely impede the utilization of Zn anode in aqueous zinc ion batteries (AZIBs). Herein, a novel strong acidic electrolyte additive itaconic acid (IA) is introduced to achieve highly stable via dual functions. First, use trace amounts IA can provide steady low pH environment for electrolyte, which beneficial eliminate alkaline by‐products by neutralizing OH − that accumulated near anode. Second, an interfacial protective layer be situ formed cross‐linking reduction reaction between anode, helping inhibit continuous corrosion on promote formation uniform deposition. Consequently, achieves ultra‐long cycle‐life (5390 h at 1 mA cm −2 , mAh ) enhanced coulombic efficiency (99.86% upon 2100 cycles 5 −1 ). Besides, full cell assembled with sodium vanadate delivers high reversible capacity 179.6 g over 2000 2 A . This work offers new solution related insights design electrolytes additives toward AZIBs.

Language: Английский

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Coupling of Donor–Acceptor of Hydrogen Bonds Manipulated Electrolyte Structure Enables Hydrogen Evolution‐Free and Durable Zn Metal Batteries

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

Published: Feb. 7, 2025

Abstract The undesirable hydrogen evolution reaction (HER) primarily contributes to the instability of Zn anode, which exacerbates corrosion and dendrite growth impedes application metal battery in large‐scale energy storage. Although engineering functional aqueous electrolyte prominently controls HER, it hardly eradicates occurrence HER from source. Herein, this research utilizes coupling donor–acceptor bonds (H‐bonds) manipulate structure design a novel methanol (MeOH)‐based anhydrous organic with propylene carbonate (PC) as co‐solvent, fundamentally eliminating accompanied by suppressed growth. PC molecules acceptor strengthen H‐bonds networks between MeOH donor weaken interaction cations anions, enhancing stability reducing anion‐involved by‐products formation. Meanwhile, preferential adsorbed on anode surface form favorable component‐dominated solid interface layer, inducing uniform deposition along (002) orientation. Consequently, exhibits excellent cycling high reversibility. assembled cells also harvest satisfactory low‐temperature tolerance. More importantly, corresponding Zn||PANI full cell pouch behave an impressive capacity retention 92.4% 91.1% after 3200 1400 cycles, respectively.

Language: Английский

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