Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)
Published: Sept. 16, 2024
Conventionally, rocking-chair batteries capacity primarily depends on cation shuttling. However, intrinsically high-charge-density metal-ions, such as Al
Language: Английский
Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(25), P. 13494 - 13513
Published: June 12, 2023
Redox-active covalent organic frameworks (COFs) have recently emerged as advanced electrodes in polymer batteries. COFs provide ideal molecular precision for understanding redox mechanisms and increasing the theoretical charge-storage capacities. Furthermore, functional groups on pore surface of highly ordered easily accessible interaction sites, which can be modeled to establish a synergy between ex situ/in situ mechanism studies computational methods, permitting creation predesigned structure–property relationships. This perspective integrates categorizes functionalities COFs, providing deeper mechanistic investigation guest ion interactions Additionally, it highlights tunable electronic structural properties that influence activation reactions this promising electrode material.
Language: Английский
Citations
77
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(24)
Published: March 16, 2024
Zinc-based batteries (ZBBs) have demonstrated considerable potential among secondary batteries, attributing to their advantages including good safety, environmental friendliness, and high energy density. However, ZBBs still suffer from issues such as the formation of zinc dendrites, occurrence side reactions, retardation reaction kinetics, shuttle effects, posing a great challenge for practical applications. As promising porous materials, covalent organic frameworks (COFs) derivatives rigid skeletons, ordered structures, permanent porosity, which endow them with application in ZBBs. This review, therefore, provides systematic overview detailing on COFs structure pertaining electrochemical performance ZBBs, following an depth discussion challenges faced by includes dendrites reactions at anode, well dissolution, structural change, slow effect cathode. Then, COF-correlated materials roles various are highlighted. Finally, outlined outlook future development is provided. The review would serve valuable reference further research into utilization
Language: Английский
Citations
76
Energy storage materials, Journal Year: 2023, Volume and Issue: 63, P. 103014 - 103014
Published: Oct. 7, 2023
Language: Английский
Citations
60
Science China Chemistry, Journal Year: 2024, Volume and Issue: 67(5), P. 1485 - 1509
Published: March 6, 2024
Anion-hosting cathodes capable of reversibly storing large-size anions play a leading role in dual-ion batteries (DIBs). The purpose the present review is to summarize most promising anion-hosting for current and late-stage DIBs. This first summarizes developments conventional graphite cathodes, especially latest advances graphite-related research. Next, organic anion storage are discussed, including aromatic amine polymers, heterocyclic bipolar compounds, all-carbon-unsaturated compounds. Then, focuses on conversion-type with high theoretical specific capacities. Finally, future research directions DIBs proposed.
Language: Английский
Citations
32
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(34)
Published: March 21, 2024
Abstract Due to the intrinsic porosity and photo‐regulated pore environment, azobenzene (Azo) functionalized covalent organic frameworks (COFs) show great potential for contaminant removal. However, stability degree of functionality COFs greatly affect subsequent adsorption capacity selectivity. Herein, a highly stable thiazole‐linked COF containing phenolic hydroxyl groups (OH‐COF) is constructed by using 4,4′,4′‐(1,3,5‐triazine‐2,4,6‐triyl)trianiline 2,5‐dihydroxyterephthalaldehyde in presence sulfur, which shows high crystallinity specific surface. Azo‐functionalized ((Azo) x ‐COFs) are prepared grafting different amounts onto OH‐COF through post‐modification, whose aperture conveniently tuned grafted amount. The size ‐COFs also can be reversibly adjusted under UV visible light irradiation without affecting crystallinity. Appropriate amount Azo‐grafted 0.1 ‐COF possessed (1216.93 mg g −1 ) Congo red (CR). While 1.0 CR significantly increased 2.9 times reach 1489.96 after irradiation. selectively separate dye molecules with sizes based on size, showing excellent reversibility reusability. As such, ability photo‐regulate interception highlights their significance functioning as smart porous nanomaterials pollutant removal water purification.
Language: Английский
Citations
28
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)
Published: July 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.
Language: Английский
Citations
19
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(24)
Published: May 1, 2024
Abstract Covalent organic frameworks (COFs) are porous structures emerging as promising electrode materials due to their high structural diversity, controlled and wide pore network, amenability chemical modifications. COFs solely composed of periodically arranged molecules, resulting in lightweight materials. Their inherent properties, such extended surface area diverse framework topologies, along with proclivity modification, have positioned sophisticated the realm electrochemical energy storage (EES). The modular structure facilitates integration key functions redox‐active moieties, fast charge diffusion channels, composite formation conductive counterparts, highly network for accommodating charged carriers, which can significantly enhance performance. However, ascribing intricate porosity functionalities a single COF structure, while maintaining long‐term stability, is challenging. Efforts overcome these hurdles embrace strategies implementation reversible linkages flexibility, stimuli‐responsive functionalities, incorporating groups promote heterostructures. This review focuses on recent progress EES devices, batteries supercapacitors, through meticulous exploration latest aimed at optimizing advanced electrodes future technologies.
Language: Английский
Citations
18
Energy storage materials, Journal Year: 2025, Volume and Issue: unknown, P. 104052 - 104052
Published: Jan. 1, 2025
Language: Английский
Citations
4
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 14, 2025
Abstract Lithium‐ion batteries (LIBs), known for their high energy density and long cycle life, have become indispensable in everyday applications. Unfortunately, the increasing demand LIBs raises concerns about sustainability of lithium resources. Non‐lithium metal‐ion therefore garnered significant attention due to abundant resources potential cost advantages. Yet, widespread adoption is hindered by limited availability high‐performance cathode materials. Organic electrode materials (OEMs) emerged as promising candidates, owing structural diversity tunability, allowing them accommodate large cations. Despite potential, most OEMs suffer from unsatisfactory cyclability, poor rate performance, low density. This review summarizes recent advancements improving electrochemical performance OEMs, focusing on molecular engineering approaches mitigate dissolution, enhance conductivity The charge storage mechanism current challenges associated with are first discussed. Various strategies designed address these then explored, including linkage improve stability electronic Finally, insights provided future development next‐generation battery technologies beyond LIBs.
Language: Английский
Citations
2
ACS Applied Energy Materials, Journal Year: 2023, Volume and Issue: 7(18), P. 7592 - 7602
Published: Sept. 20, 2023
Covalent organic frameworks (COFs), porous topological crystalline polymers whose molecular structure can be flexibly adjusted to accommodate a variety of metal ions with different radii and effectively buffer the volume expansion electrodes, have become promising electrode material for high-valent metal-ion batteries (HMIBs). This Forum Article reviews research history recent progress COF materials in fields zinc-ion batteries, magnesium-ion calcium-ion aluminum-ion batteries. By discussing design charge storage mechanism, existing problems current HMIB materials, such as low conductivity specific capacity due high weight, are summarized. Finally, strategies improve performance HMIBs suggested from perspectives active centers, electronic conductivity, electrolytes, characterization techniques, theoretical exploration materials.
Language: Английский
Citations
34