A Review of Anode Materials for Dual-Ion Batteries

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

Опубликована: Июль 24, 2024

Distinct from "rocking-chair" lithium-ion batteries (LIBs), the unique anionic intercalation chemistry on cathode side of dual-ion (DIBs) endows them with intrinsic advantages low cost, high voltage, and eco-friendly, which is attracting widespread attention, expected to achieve next generation large-scale energy storage applications. Although electrochemical reactions anode DIBs are similar that LIBs, in fact, match rapid insertion kinetics anions consider compatibility electrolyte system also serves as an active material, materials play a very important role, there urgent demand for rational structural design performance optimization. A review summarization previous studies will facilitate exploration optimization future. Here, we summarize development process working mechanism exhaustively categorize latest research their applications different battery systems. Moreover, design, reaction briefly discussed. Finally, fundamental challenges, potential strategies perspectives put forward. It hoped this could shed some light researchers explore more superior advanced systems further promote DIBs.

Язык: Английский

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Direct Laser Scribing of All‐Solid‐State In‐Plane Proton Microsupercapacitors on Ionic Covalent Organic Framework Films

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 10, 2025

Abstract Proton microsupercapacitors (MSCs) are promising energy storage devices for cutting‐edge applications. However, all‐solid‐state designs face challenges due to the need synergistic innovations in electrolytes, electrodes, and interface engineering. Herein, direct laser scribing of metal‐free in‐plane proton MSCs reported on ionic covalent organic framework (iCOF) films. The solid‐state AA‐stacked iCOF electrolytes with perfect 2D channels ( d = 0.33 nm) prepared by vacuum filtration, exhibiting conductivities from 0.23 4.7 mS cm −1 depending humidity. Furthermore, patterned carbon electrodes fabricated via situ carbonization iCOFs, forming a seamless electrolyte‒electrode interface. To reveal photophysical features insulating iCOFs conductive laser‐treated femtosecond transient absorption experiments carried out. multiphysics simulation indicates that electric field is uniformly distributed at electrode−electrolyte Notably, resulting MSC exhibits an ultrahigh specific capacitance (≈10.13 mF −2 101.3 F −3 ), high volumetric density (2.52 mWh rapid scan rate (1000 mV s excellent cycling stability (no degradation after 50 000 cycles). This approach provides high‐performance MSCs, revealing great potential applications intelligent microsystems.

Язык: Английский

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Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries

Nano-Micro Letters, Год журнала: 2025, Номер 17(1)

Опубликована: Март 17, 2025

Abstract Composite solid electrolytes (CSEs) are promising for solid-state Li metal batteries but suffer from inferior room-temperature ionic conductivity due to sluggish ion transport and high cost expensive active ceramic fillers. Here, a host–guest inversion engineering strategy is proposed develop superionic CSEs using cost-effective SiO 2 nanoparticles as passive hosts poly(vinylidene fluoride-hexafluoropropylene) (PVH) microspheres polymer guests, forming an unprecedented “polymer guest-in-ceramic host” (i.e., PVH-in-SiO ) architecture differing the traditional “ceramic guest-in-polymer host”. The exhibits excellent Li-salt dissociation, achieving high-concentration free + . Owing low diffusion energy barriers coefficient, thermodynamically kinetically favorable migrate at /PVH interfaces. Consequently, delivers exceptional of 1.32 × 10 −3 S cm −1 25 °C (vs typically −5 –10 −4 high-cost ceramics), achieved under ultralow residual solvent content 2.9 wt% 8–15 in other CSEs). Additionally, electrochemically stable with anode various cathodes. Therefore, demonstrates high-rate cyclability LiFePO 4 |Li full cells (92.9% capacity-retention 3C after 300 cycles °C) outstanding stability high-mass-loading (9.2 mg high-voltage NCM622 (147.1 mAh g ). Furthermore, we verify versatility by fabricating Na-ion K-ion-based similarly promotions conductivity. Our offers simple, low-cost approach large-scale application beyond.

Язык: Английский

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Ionic Covalent Organic Framework Solid‐State Electrolytes

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 19, 2024

Abstract Rechargeable secondary batteries, widely used in modern technology, are essential for mobile and consumer electronic devices energy storage applications. Lithium (Li)‐ion batteries currently the most popular choice due to their decent density. However, increasing demand higher density has led development of Li metal (LMBs). Despite potential, commonly liquid electrolyte‐based LMBs present serious safety concerns, such as dendrite growth risk fire explosion. To address these issues, using solid‐state electrolytes emerged a promising solution. In this Perspective, recent advancements discussed ionic covalent organic framework (ICOFs)‐based electrolytes, identify current challenges field, propose future research directions. Highly crystalline ion conductors with polymeric versatility show promise next‐generation electrolytes. Specifically, use anionic or cationic COFs is examined Li‐based highlight high interfacial resistance caused by intrinsic brittleness ICOFs main limitation, presents innovative ideas developing all‐ quasi‐solid‐state ICOF‐based With considerations further developments, potential optimistic about enabling realization high‐energy‐density all‐solid‐state LMBs.

Язык: Английский

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Covalent Triazine Based Frameworks with Donor‐Donor‐π‐Acceptor Structures for Dendrite‐Free Lithium Metal Batteries

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(41)

Опубликована: Июль 17, 2024

The appearance of disordered lithium dendrites and fragile solid electrolyte interfaces (SEI) significantly hinder the serviceability metal batteries. Herein, guided by theoretical predictions, a multi-component covalent triazine framework with partially electronegative channels (4C-TA

Язык: Английский

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Fabrication of Scalable Covalent Organic Framework Membrane‐based Electrolytes for Solid‐State Lithium Metal Batteries

Angewandte Chemie, Год журнала: 2024, Номер 136(50)

Опубликована: Авг. 13, 2024

Abstract The conventional covalent organic framework (COF)‐based electrolytes with tailored ionic conducting behaviors are typically fabricated in the powder morphology, requiring further compaction procedures to operate as solid electrolyte tablets, which hinders large‐scale manufacturing of COF materials. In this study, we present a feasible electrospinning strategy prepare scalable, self‐supporting membranes (COMs) that feature rigid skeleton bonded flexible, lithiophilic polyethylene glycol (PEG) chains, forming an ion conduction network for Li + transport. resulting PEG‐COM exhibit enhanced dendrite inhibition and high conductivity 0.153 mS cm −1 at 30 °C. improved stems from loose pairing structure production higher free content, confirmed by solid‐state 7 NMR experiments. These changes local microenvironment facilitate its directional movement within COM pores. Consequently, symmetrical Li|Li, Li|LFP, pouch cells demonstrate excellent electrochemical performance 60 This offers universal approach constructing scalable COM‐based electrolytes, thereby broadening practical applications COFs lithium metal batteries.

Язык: Английский

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The Research Progress on COF Solid-State Electrolytes for Lithium Batteries

Chemical Communications, Год журнала: 2024, Номер 60(74), С. 10046 - 10063

Опубликована: Янв. 1, 2024

This review focuses on the role of different COFs as solid-state electrolytes, aiming to guide development electrolyte materials and battery technology.

Язык: Английский

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Covalent Triazine Based Frameworks with Donor‐Donor‐π‐Acceptor Structures for Dendrite‐Free Lithium Metal Batteries

Angewandte Chemie, Год журнала: 2024, Номер 136(41)

Опубликована: Июль 17, 2024

Abstract The appearance of disordered lithium dendrites and fragile solid electrolyte interfaces (SEI) significantly hinder the serviceability metal batteries. Herein, guided by theoretical predictions, a multi‐component covalent triazine framework with partially electronegative channels (4C‐TA 0.5 TF ‐CTF) is incorporated as protective layer to modulate interface stability Notably, 4C‐TA ‐CTF optimized electronic structure at molecular level fine‐tuning local acceptor‐donor functionalities not only enhances intermolecular interaction thereby providing larger dipole moment improved crystallinity mechanical stress, but also facilitates beneficial effect lithiophilic sites (C−F bonds, cores, C=N linkages aromatic rings) further regulate migration Li + achieve uniform deposition behavior determined various in‐depth in/ ex situ characterizations. Due synergistic organic functionalities, modified full cells perform better than common two/three‐component 2C‐TA‐CTF 3C‐TF‐CTF electrodes, delivering an excellent capacity 116.3 mAh g −1 (capacity retention ratio: 86.8 %) after 1000 cycles 5 C rate capability. This work lays platform for prospective design relative artificial SEI highly stable

Язык: Английский

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Lean-solvent solid electrolytes for safer and more durable lithium batteries: a crucial review

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

Опубликована: Янв. 1, 2025

This review thoroughly examines the impact of lean-solvent solid electrolyte (LSEs) on for safer and more durable lithium batteries. It also provides a comprehensive overview existing LSEs.

Язык: Английский

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Multilayer Separator-Driven Interface Stabilization and Dendrite Suppression for Long-Cycling Lithium Metal Batteries

Опубликована: Янв. 1, 2025

Язык: Английский

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