Binary Additive in Millimolar Concentration for Long Cycling Life of Zinc‐Ion Batteries

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

Published: Jan. 31, 2025

Abstract The reversibility of stripping and plating the Zinc anode is one major bottlenecks Zinc‐Ion batteries. In this publication, we propose a millimolar concentration additive blend that shall promote homogeneous with suppressed dendrite formation reduce influence water‐splitting reactions. We use 5.5 mM sodium dodecyl benzene sulfonate (SDBS). SDBS adsorbs at electrode forms protection layer promotes homogenous crystallization. 4.5 Ethylenediamine‐tetraacetate (EDTA) meant to hinder water splitting. It reduces activity surface. Both additives together exhibit synergistic effect, resulting in higher performance compared cells either alone. handover ions between EDTA solution as reason for effect. Our Zn//Zn symmetric cell tests ran 3850 hours 1925 cycles 1 mA/cm 2 mAh/cm . end, Zinc‐MnO full were tested, showing capacity retention 52 % over 400 cycles.

Language: Английский

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Distributed Peer-to-Peer Optimization Based on Robust Reinforcement Learning with Demand Response: A Review

Computers, Journal Year: 2025, Volume and Issue: 14(2), P. 65 - 65

Published: Feb. 13, 2025

The increasing adoption of renewable energy resources and the growing need for efficient adaptable management have emphasized importance innovative solutions sharing storage. This study aims to analyze application advanced optimization techniques in decentralized systems, focusing on strategies that improve distribution, adaptability, reliability. research employs a comprehensive review methodology, examining reinforcement learning approaches, demand response mechanisms, integration battery storage systems enhance flexibility scalability P2P markets. main findings highlight significant advancements robust decision-making frameworks, real-time trading. Additionally, this identifies key technical regulatory challenges, such as computational complexity, market uncertainty, lack standardized legal while proposing pathways address them through intelligent collaborative solutions. originality work lies its structured analysis emerging trading models, providing valuable insights into future design are efficient, sustainable, resilient.

Language: Английский

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High-capacity organic cathode boosted by coordination chemistry for energy-dense aqueous zinc-organic batteries

Chemical Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

A new organic electrode with cooperative ion storage achieving high capacity and stability in zinc-organic batteries.

Language: Английский

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Advances of Vanadium‐based Cathodes forAqueous Zinc Ion Batteries

Chemistry - A European Journal, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Aqueous zinc-ion batteries (AZIBs) are promising for energy storage due to their high safety, low cost, and environmental friendliness. Vanadium-based materials, including vanadium oxides, sulfides, vanadate, carbon composites, have gained attention diverse crystal structures, multiple oxidation states, theoretical capacities. This review summarizes recent advances in vanadium-based cathodes, focusing on structural design modification strategies, such as amorphous defect engineering, conductive matrices, cation pre-intercalation enhance Zn2+ storage. Vanadium oxides sulfides offer unique ion diffusion advantages, while vanadate composites improve conductivity stability. Vanadate is highlighted a critical approach reduce electrostatic repulsion facilitate (V-MOF derivations, @ carbon, combined with graphene polymer) advantages terms of conductivity, diffusion, Emerging materials like VN, VOPO₄ V2CTx also discussed. Future directions include multi-guest doping, anion pre-intercalation, advanced integration. aims guide the development high-performance AZIBs inspire future research this field.

Language: Английский

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Advances in manganese-based cathode electrodes for aqueous zinc-ion batteries

Frontiers in Energy, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 28, 2025

Language: Английский

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Two-dimensional nanostructures of transition metal-based materials towards aqueous electrochemical energy storage

Chemical Communications, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This feature article summarizes the recent developments and challenges in two-dimensional nanostructures of transition metal-based materials towards aqueous electrochemical energy storage including zinc-ion batteries supercapacitors.

Language: Английский

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Unveiling Electrochemically Induced Phase Transition of Hierarchical ZnV₂O₄@C Superstructures Toward Advanced Aqueous Zinc Ion Batteries

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

Published: March 21, 2025

Aqueous zinc ion batteries (AZIBs) are promising candidates for large-scale energy storage systems due to their high safety and low cost. Among diverse cathodes, spinel ZnV2O4 (ZVO) becomes more prominent thanks its capacity long cycling life. However, the slow diffusion kinetics, vanadium dissolution, ambiguous zinc-storage mechanism restrict prospective applications. For this, herein, unique ZVO flower-shaped nano/micro-architectures with carbon coating (ZVO@C) designed enhance active electrode-electrolyte sur-/interfaces reduce distance, while nano-carbon shell improves electrical conductivity of cathodes inhibits dissolution. Furthermore, essential ZVO@C is first clarified that irreversible electrochemically-induced phase formation ZnV3O8 Zn3(OH)2V2O7·2H2O during cycle, rather than itself, which genuine electroactive phases following storage. Theoretical calculations reveal two newly-formed intrinsically endowed good boosted kinetics reversible co-(de)intercalation Zn2+ H+. The optimized shows superior stability 208.7 mAh g-1 after 5000 cycles even at 10 A g-1. Essentially, contribution provides in-depth insights intriguing transition involved promotes commercial applications vanadium-based long-lifespan AZIBs.

Language: Английский

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Superior Cycling Stability in Zinc‐Ion Batteries with Ca²⁺‐Induced Cathode‐Electrolyte Interface and Phytic Acid: Experimental Validation of Theoretical Predictions

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

Published: March 24, 2025

This study investigates the impact of Ca2+ and phytic acid (PA) pre-insertion on performance vanadium oxide (V6O13) as a cathode material for aqueous zinc-ion batteries. Ab initio molecular dynamics (AIMD) simulations reveal that diffusion coefficient Ca2⁺ is higher than Zn2+, leading to preferential extraction Ca2⁺. The extracted readily forms dense cathode-electrolyte interphase (CEI) with SO₄2 - electrode surface, effectively mitigating dissolution. Furthermore, density functional theory (DFT) calculations indicate incorporation lowers energy barrier Zn2⁺, facilitating its diffusion. Additionally, PA insertion stabilizes interlayer spacing V6O13, strong chelating ability structure by preventing collapse during cycling. Experimental validation through one-step solvothermal method confirms these theoretical predictions. CaVO-PA composite exhibits excellent cycling stability, capacity retention rate increasing from 60% 102% after 3000 cycles at 10 A g-¹. Even 20 g-¹, it delivers specific 170.2 mAh g-¹ stable Coulombic efficiency. After 000 cycles, shows no significant degradation, demonstrating superior stability high current tolerance, thereby confirming effectiveness CEI in enhancing electrochemical performance.

Language: Английский

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Regulating Extra‐Layer Ion Channels in the Conductive V₂O₅ Hydrogel Cathode

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

Published: April 24, 2025

Abstract High‐power energy storage devices rely on the synergistic coordination of ion and electron transport. Here, an extra‐layer channels engineering strategy is presented for developing high power density cathode materials aqueous zinc batteries (AZIBs). This approach utilizes a cation‐induced self‐assembly process to form conductive hydrogels with by adding diverse cations (Li + , Na K Mg 2+ Zn Al 3+ NH 4 ) into carbon nanotubes (CNTs) ink dispersed hydrated V 2 O 5 (h‐V nanowires. The bridge h‐V nanowires create network CNT surfaces, providing beyond intrinsic interlayer . These external exhibit distinct properties depending cations, significantly influencing performance hydrogel AZIBs. Larger reduce migration resistance enhancing diffusion kinetics; smaller strengthen M─O bond, improving structural stability. For instance, K‐V /CNT demonstrates initial specific capacity up 618 mAh g −1 at 0.2 A retains 248 even 20 In contrast, Zn‐V maintains excellent cycling stability, 230 after 700 cycles 1 offers versatile platform tailoring transport in cathodes ZIBs

Language: Английский

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‘Everything’ in Aqueous Zinc-ion Batteries can may be Prussian blue analogues: From cathode materials to electrolyte additives applications

Energy storage materials, Journal Year: 2025, Volume and Issue: unknown, P. 104299 - 104299

Published: May 1, 2025

Language: Английский

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