Built‐In Trimodal Molecular Interaction Effect Enables Interface‐Compatible and Temperature‐Tolerance Aqueous Zinc Batteries

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

Published: July 8, 2024

Abstract Aqueous zinc‐ion batteries compatible with a wide temperature range and long cycle lifespan show great application prospects but are greatly limited by the unstable electrode‐electrolyte interfaces mismatched electrolytes. This report presents pathway of succinamic acid (SA) additive‐induced built‐in trimodal molecular interaction for constructing sustainable aqueous zinc batteries. As confirmed, such falls into following patterns: binding state H─F bond between SA polyvinylidene fluoride (PVDF) binder, micellar aggregation in electrolyte, spontaneous adsorption at Zn anode–electrolyte interface. Benefiting from above synergistic effect, electrode shows highly reversible deposition/stripping behavior over (−10–50 °C) when paired optimized electrolyte. Specially, an impressive 3530 h‐cycle symmetrical cell is achieved conditions 1 mA cm −2 mAh . Beyond that, significantly improved storage capability performance demonstrated both Zn‐MnO 2 Zn‐I Given good balance working range, ionic conductivity, 2+ transfer number this trace molecule‐mediated design paradigm provides new insights developing advanced batteries, including not to zinc‐based systems.

Language: Английский

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Collagen‐Mediated Solvent Sheathing and Derived Interfacial Manipulation Toward Ultrahigh‐Rate Zn Anodes

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

Published: Sept. 2, 2024

Abstract The zinc (Zn) anode in zinc‐ion batteries suffers from potential defects such as wild dendrite growth, severe Zn corrosion, and violent hydrogen evolution reaction, inducing erratic interfacial charge transfer kinetics, which eventually leads to electrochemical failure. Here, collagen, a biomacromolecule, is added achieve the reconstruction of electrolyte hydrogen‐bonding network modification derived interface. Benefiting electronegativity advantage amino groups (‐NH 2 ) (002) crystal plane preferentially exposed solid interface (SEI) rich ZnF 3 N promotes rapid anode. Thence, an impressive cumulative capacity 7,500 mAh cm −2 at 30 mA achieved assembled Zn|VO cell exhibited robust cycle reversibility even when subject maximum current 100 A g −1 ultra‐long life 20,000 cycles 50 , with single‐cycle loss low 0.0021%. Such convenient strategy solvent sheathing regulation manipulation opening up promising universal approach toward long‐life high‐rate anodes.

Language: Английский

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Achieving Dendrite‐Free Zinc Metal Anodes via Molecule Anchoring and lon‐Transport Pumping

Chemistry - A European Journal, Journal Year: 2024, Volume and Issue: 30(29)

Published: March 19, 2024

Abstract The potential for scale‐up application has been acknowledged by researchers rechargeable aqueous zinc‐ion batteries (ZIBs). Nonetheless, the progress of development is significantly impeded due to instability interface between zinc anode and electrolyte. Herein, efficient environmentally benign valine (Val) were introduced as electrolyte additive stabilize electrode/electrolyte (EEI) via functional groups in molecules, thus achieving reversible dendrite‐free anode. amino present Val molecules have a strong ability adsorb on surface metal, enabling construction anchored molecular layer anodes. strongly polar carboxyl can act ion‐transport pumps capture ions electric double (EDL) through coordination chemistry. Therefore, this reconstructed EEI could modulate ion flux simultaneously suppress side reactions dendritic growth Zn. Consequently, long stable cycling up 1400 h at high current density 20 mA cm −2 achieved. Additionally, Zn//V 2 O 5 full cell with exhibit enhanced cyclability, retaining 77 % capacity after 3000 cycles, displaying significant promoting commercialization ZIBs.

Language: Английский

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Inorganic Electrolyte Additive Promoting the Interfacial Stability for Durable Zn‐Ion Batteries

Small, Journal Year: 2024, Volume and Issue: 20(45)

Published: July 22, 2024

Abstract The development of Zn‐ion batteries (ZIBs) is always hindered by the ruleless interface reactions between solid electrode and liquid electrolyte, seeking appropriate electrolyte additives considered as a valid approach to stabilize electrode/electrolyte interphases for high‐performance ZIBs. Benefiting from unique solubility TiOSO 4 in acidic solution, composite 2 m ZnSO +30 (ZSO/TSO) configured its positive contribution Zn//Zn cells, Zn//Cu Zn//NH V O 10 are comprehensively investigated electrochemical tests theoretical calculations. Based on calculations, introduction contributes facilitating desolvation kinetics Zn 2+ ions guarantees stable both zinc anode NH cathode. As expected, cells keep long‐term cycling behavior 3750 h under test condition 1 mA cm −2 –1 mAh , deliver high Coulombic efficiency 99.9% 1000 cycles 5 maintain reversible specific capacity 193.8 g −1 after 1700 at A ZSO/TSO electrolyte. These satisfactory results manifest that additive holds great potential improve performances

Language: Английский

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A Water‐Insoluble Yttrium‐Based Complex as Dual‐Ionic Electrolyte Additive for Stable Aqueous Zinc Metal Batteries

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

Published: June 14, 2024

Abstract Aqueous batteries employing Zinc metal anodes (ZMAs) are considered to be promising next‐generation energy storage systems. However, the severe interfacial side reactions and dendrite growth restrict practical application of ZMAs in aqueous electrolytes. Herein, a water‐insoluble dual‐ionic electrolyte additive yttrium 2,4,5‐trifluorophenylacetate (YTFPAA) is developed stabilize ZMAs. Notably, ethanol‐solvated TFPAA − can capture H + thus buffer decreased pH caused by hydrolysis Y 3+ . Furthermore, dynamically adsorb onto surface through reversible oxidation‐reduction reaction, effectively suppressing forming water‐poor interface, enhancing reversibility Zn 2+ deposition/stripping redistributing flux. These favorable effects combined with dynamic electrostatic shielding effect ultimately enable uniform dense deposition. As result, Zn/Zn cells assembled 0.25YTFPAA exhibit an impressive cycle life 2100 h at 0.5 mA cm −2 –0.25 mAh More importantly, V 2 O 5 /Zn full cell shows ultra‐long up 18000 cycles 5.0 A g −1 This work highlights rational design multifunctional ionic additives for stabilizing

Language: Английский

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Challenges and strategies for zinc anodes in aqueous Zinc-Ion batteries

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 507, P. 160615 - 160615

Published: Feb. 13, 2025

Language: Английский

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Recent Advances andFuture Perspectives of Membranes in Iron-Based Aqueous Redox Flow Batteries

Energy Material Advances, Journal Year: 2024, Volume and Issue: 5

Published: Jan. 1, 2024

Iron-based aqueous redox flow batteries (IBA-RFBs) represent a promising solution for long-duration energy storage, supporting the integration of intermittent renewable into grid, thanks to their commendable safety profile and cost-effectiveness. Membranes, serving as pivotal components in (RFBs), play crucial role facilitating ion conduction internal circuit formation while preventing crossover redox-active species. Given direct impact on RFB performance cost, membranes merit considerable attention. This review provides an overview recent advancements tailored IBA-RFBs. Initially, it delineates operational mechanisms various IBA-RFB configurations. Subsequently, delves key metrics evaluating membrane efficacy, dissecting intricate interplay between overall efficiency. Building upon this foundation, spotlights breakthroughs exchange porous designed specifically IBA-RFBs, showcasing remarkable ability bolster battery efficiency, cycling stability, Lastly, outlines future directions development, offering some insights propel widespread adoption IBA-RFBs large scale.

Language: Английский

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In situ construction of a hydrophobic channel interconnecting zincophilic planes on the Zn surface for enhanced stability of Zn metal anodes

Energy & Environmental Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This work proposes a novel electrolyte additive, sulfobutylether-β-cyclodextrin, which remarkably improves the cycling stability of AZIBs with synergistic effect its zincophilic functional groups and unique adsorption configuration.

Language: Английский

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Designing Antifreeze Electrolytes with Colloid‐Like Structures for High‐Rate Performance in Aqueous Zinc‐Ion Batteries

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

Published: Jan. 7, 2025

Abstract Optimizing the electrolyte configuration is an effective strategy to enhance cycle life of aqueous zinc‐ion batteries (AZIBs). A critical challenge in development involves improving antifreeze characteristics without compromising high‐rate performance for AZIBs. This study selects polymer polysaccharide konjac glucomannan (KGM) as additive, aiming utilize its naturally formed stable colloidal system solution, which exhibits superior rheological properties. can effectively balance with requirements cell under charge–discharge conditions, thereby enhancing overall cell. Therefore, zinc anode cycling 1250 h at 25 °C conditions 7 mA cm −2 and 3.5 mAh . At ‐10 °C, sustained over 800 1 In full cells, delivers a discharge capacity 77.9 g −1 after 7500 cycles current density 15 °C. Even 102.7 660 3 KGM offers cost‐effective, environmentally friendly solution improve AZIBs' reliability capabilities.

Language: Английский

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Water‐Deficient Interface Induced via Hydrated Eutectic Electrolyte with Restrictive Water to Achieve High‐Performance Aqueous Zinc Metal Batteries

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Abstract The development of aqueous zinc metal batteries (AZMBs) is hampered by dendrites and side reactions induced reactive H 2 O. In this study, a hydrated eutectic electrolyte with restrictive water consisting trifluoromethanesulfonate (Zn(OTf) ), 1,3‐propanediol (PDO), developed to improve the stability anode/electrolyte interface in AZMBs via formation water‐deficient interface. Additionally, PDO participates Zn 2+ solvation structure inhibits movement molecules. also preferentially adsorbs along (100) plane, thereby inducing organic/inorganic SEI layer that enables cycle life Zn//Zn symmetric cell reach 3000 h at 1 mA cm −2 mAh . Further, interfacial modulation improves cycling Zn//V O 5 Zn//VO cells. Particularly, specific capacity 1.7 times 2M Zn(OTf) electrolyte, retention 93% after 100 cycles 0.5 A g −1 This study provides new perspective on modification strategies for AZMBs, highlighting potential PDO‐8 developing energy storage devices excellent stability.

Language: Английский

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