A Sustainable Dual Cross-Linked Cellulose Hydrogel Electrolyte for High-Performance Zinc-Metal Batteries

Nano-Micro Letters, Год журнала: 2024, Номер 16(1)

Опубликована: Фев. 2, 2024

Aqueous rechargeable Zn-metal batteries (ARZBs) are considered one of the most promising candidates for grid-scale energy storage. However, their widespread commercial application is largely plagued by three major challenges: The uncontrollable Zn dendrites, notorious parasitic side reactions, and sluggish

Язык: Английский

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Constructing π–π Superposition Effect of Tetralithium Naphthalenetetracarboxylate with Electron Delocalization for Robust Dual‐Ion Batteries

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(22)

Опубликована: Март 25, 2024

Abstract Organics are gaining significance as electrode materials due to their merits of multi‐electron reaction sites, flexible rearrangeable structures and redox reversibility. However, organics encounter finite electronic conductivity inferior durability especially in organic electrolytes. To circumvent above barriers, we propose a novel design strategy, constructing conductive network with extended π–π superposition effect by manipulating intermolecular interaction. Tetralithium 1,4,5,8‐naphthalenetetracarboxylate (LNTC) interwoven carbon nanotubes (CNTs) forms LNTC@CNTs composite firstly for Li‐ion storage, where multiple conjugated carboxyls contribute sufficient storage the unique feature enables electrolyte charge mobility conveniently combining electron delocalization π‐conjugated system, enhanced between LNTC CNTs endows laudable structural robustness. Accordingly, maintain an excellent capacity retention 96.4 % after 400 cycles. Electrochemical experiments theoretical simulations elucidate fast kinetics reversible stability owing effect, while reversibly rearranged into enolates during charging/discharging. Consequently, dual‐ion battery this anode expanded graphite cathode exhibits peak specific 122 mAh g −1 long cycling life 84.2 900

Язык: Английский

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Non‐Metal Ion Storage in Zinc‐Organic Batteries

Advanced Science, Год журнала: 2024, Номер 11(19)

Опубликована: Март 13, 2024

Abstract Zinc‐organic batteries (ZOBs) are receiving widespread attention as up‐and‐coming energy‐storage systems due to their sustainability, operational safety and low cost. Charge carrier is one of the critical factors affecting redox kinetics electrochemical performances ZOBs. Compared with conventional large‐sized sluggish Zn 2+ storage, non‐metallic charge carriers small hydrated size light weight show accelerated interfacial dehydration fast reaction kinetics, enabling superior metrics for Thus, it valuable ongoing works build better ZOBs ion storage. In this review, versatile cationic (H + , NH 4 ) anionic (Cl − OH CF 3 SO 2− first categorized a brief comparison respective physicochemical properties chemical interactions redox‐active organic materials. Furthermore, work highlights implementation effectiveness ions in ZOBs, giving insights into impact types on (capacity, rate capability, operation voltage, cycle life) cathodes. Finally, challenges perspectives non‐metal‐ion‐based outlined guild future development next‐generation energy communities.

Язык: Английский

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Building ultra-stable and low-temperature aqueous zinc–organic batteries via noncovalent supramolecular self-assembly strategy

Chemical Engineering Journal, Год журнала: 2024, Номер 487, С. 150527 - 150527

Опубликована: Март 19, 2024

Язык: Английский

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Organic Molecular Design for High-Power Density Sodium-Ion Batteries

Chemical Communications, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Fast-charge ability is essential for organic materials in high-power sodium storage. A highlight covers the challenges, strategies and future perspectives related to molecular design density ion batteries.

Язык: Английский

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Regulating the Metal Nodes of In Situ Electropolymerized Metal–Organic Coordination Polymers for High Performance LIBs

Small, Год журнала: 2025, Номер unknown

Опубликована: Апрель 17, 2025

Abstract Metal–organic coordination polymers (MOPs) comprised of redox‐active organic moieties and metal ions emerge as an important class electroactive materials for battery applications. The bipolar two transition metal‐based (Fe Co) complexes bearing terpyridine‐triphenylamine ligand are used models to investigate the relationships between structure electrochemical performance. It turned out that choice central atom has a profound influence on practical voltage window specific capacity. high‐performing poly(FeL) n electrode exhibits reversible capacity 272.5 mAh g −1 after 100 cycles at 50 mA , excellent cycling stability up 4000 5A (capacity ration:83.1%), rate poly(CoL) significantly lower 107 100th cycle inferior (54 retention: 38.7%). DFT analysis indicates center directly influences electron cloud density metal‐terpyridine structure, which in turn affects redox activity polymer by varying affinity lithium charge transfer efficiency. These findings highlight importance centers polymers, providing direct guidance exploration MOPs novel resource‐friendly cathode materials.

Язык: Английский

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Carboxylic Acid‐Functionalized Cellulose Hydrogel Electrolyte for Dual‐Interface Stabilization in Aqueous Zinc‐Organic Batteries

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 9, 2024

Aqueous zinc batteries (AZBs) are considered one of the most promising candidates for grid-scale energy storage. However, achieving a stable electrode-electrolyte interface remains challenge developing high-performance AZBs. Herein, taking Zn||phenazine (PNZ) system as prototype, where proton uptake/removal mechanism dominates in cathode, carboxylic acid-functionalized cellulose hydrogel electrolyte is designed to simultaneously solve issues at both anode and cathode interfaces. Specifically, can not only regulate Zn

Язык: Английский

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Organic cathode materials for aqueous zinc-organic batteries

Energy Materials, Год журнала: 2024, Номер 4(3)

Опубликована: Апрель 12, 2024

Aqueous zinc batteries that utilize metallic Zn as the anode are considered a promising alternative to lithium-ion due their intrinsic high safety, low cost, and relatively energy density. Compared inorganic cathodes, organic cathodes exhibit several advantages including theoretical capacity, tunable structure, abundant sources, environmental friendliness. In this paper, we summarize recent progress in for aqueous zinc-organic batteries, covering working mechanisms of three typical types electrochemical performance, common strategies further improvement. Finally, discuss current challenges possible future research directions. We hope review will offer useful information exploring high-performance cathodes.

Язык: Английский

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Electrochemical lithium storage of a biactive organic molecule containing cyano and imine groups

Dalton Transactions, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

With an electron-deficient rigid planar structure and excellent π-π stacking ability, hexaazatriphenylene (HAT) its derivatives are widely used as basic building blocks for constructing covalent organic frameworks (COFs), components of light-emitting diodes solar cells, electrode materials lithium-ion batteries (LIBs). Here, a HAT derivative, hexaazatriphenylenehexacarbonitrile, is explored anode material LIBs. The exhibited high initial reversible capacities 672 mA h g

Язык: Английский

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Facile Synthesis of Diazaanthraquinone Dimers as High-Capacity Organic Cathode Materials for Rechargeable Lithium Batteries

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(12), С. 14929 - 14939

Опубликована: Март 14, 2024

Organic cathode materials (OCMs) have tremendous potential to construct sustainable and highly efficient batteries beyond conventional Li-ion batteries. Thereinto, quinone/pyrazine hybrids show significant advantages in material availability, energy density, cycling stability. Herein, we propose a facile method synthesize hybrids, i.e., the condensation reaction between ortho-diamine bromoacetyl groups. Based on it, successfully synthesized three 1,4-diazaanthraquinone (DAAQ) dimers, including 2,2′-bi(1,4-diazaanthraquinone) (BDAAQ) with an exceptional theoretical capacity of 512 mAh g–1 based eight-electron reaction. It can be fully utilized Li wide voltage range 0.8–3.8 V, at cost inferior In optimal 1.4–3.8 BDAAQ exhibits one best comprehensive electrochemical performances for small-molecule OCMs, high specific 366 g–1, average discharge 2.26 as well respectable retention 59% after 500 cycles. Moreover, in-depth investigations reveal redox mechanisms C═O C═N groups fading dissolution–redeposition behaviors. brief, this work provides instructive synthesis mechanism understanding high-performance OCMs hybrid structure.

Язык: Английский

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