Ionic Liquids Functionalized MOFs for Adsorption

Chemical Reviews, Год журнала: 2023, Номер 123(16), С. 10432 - 10467

Опубликована: Июль 14, 2023

Metal–organic frameworks (MOFs) and ionic liquids (ILs) represent promising materials for adsorption separation. ILs incorporated into MOF (denoted as IL/MOF composites) have been developed, composites combine the advantages of MOFs to achieve enhanced performance in adsorption-based separation fluid mixtures. The designed different are introduced various tailor their functional properties, which affect optimal adsorptive performance. In this Perspective, rational fabrication is presented, properties demonstrated. This paper provides a critical overview an emergent class termed well recent advances applications adsorbents or membranes Furthermore, gas separations (CO2 capture from flue gas, natural purification, acetylene ethylene, indoor pollutants removal) liquid (separation bioactive components, organic-contaminant removal, desulfurization, radionuclide discussed. Finally, existing challenges highlighted, appropriate design strategy direction effective exploration new proposed.

Язык: Английский

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A 3D interconnected metal-organic framework-derived solid-state electrolyte for dendrite-free lithium metal battery

Energy storage materials, Год журнала: 2022, Номер 47, С. 262 - 270

Опубликована: Фев. 10, 2022

Язык: Английский

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Solid polymer electrolyte with in-situ generated fast Li+ conducting network enable high voltage and dendrite-free lithium metal battery

Energy storage materials, Год журнала: 2021, Номер 44, С. 93 - 103

Опубликована: Окт. 9, 2021

Язык: Английский

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Hierarchically Self‐Assembled MOF Network Enables Continuous Ion Transport and High Mechanical Strength

Advanced Energy Materials, Год журнала: 2022, Номер 12(24)

Опубликована: Май 6, 2022

Abstract Composite solid electrolytes have attracted significant interest because they overcome the defects of single‐component electrolytes. However, discontinuous ion transport and weak mechanical support caused by randomly distributed powders lead to inferior ionic conductivity poor strength. Herein, a hierarchically self‐assembled metal‐organic framework (MOF) network is designed provide continuous for composite polymer This unique structure achieved constructing well‐ordered MOF nanocrystals along 1D polyimide fibers linear pathways lithium ions at micrometer scale, are interconnected form monolithic 3D Li + in bulk Meanwhile, sub‐nano pores Lewis acid sites can selectively confine movement larger anions as sieves promote transport. In addition, strong banding between polyimide, coupled with robustness skeleton, endows high strength flexibility. Accordingly, resultant electrolyte delivers desired work shows that rational spatial arrangement incorporated from disorder order self‐assembly strategy yield novel properties solid‐state batteries.

Язык: Английский

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Toward Sustainable Solid Polymer Electrolytes for Lithium-Ion Batteries

ACS Omega, Год журнала: 2022, Номер 7(17), С. 14457 - 14464

Опубликована: Апрель 20, 2022

Lithium-ion batteries (LIBs) are the most widely used energy storage system because of their high density and power, robustness, reversibility, but they typically include an electrolyte solution composed flammable organic solvents, leading to safety risks reliability concerns for high-energy-density batteries. A step forward in Li-ion technology is development solid-state suitable terms next generation smart, safe, high-performance Solid-state can be developed on basis a solid polymer (SPE) that may rely natural polymers order replace synthetic ones, thereby taking into account environmental concerns. This work provides perspective current state-of-the-art sustainable SPEs lithium-ion The recent developments presented with focus relevant properties context battery applications. In addition, ionic conductivity values performance polymer-based reported, it shown become essential components synergistically focused performance, sustainability, circular economy considerations.

Язык: Английский

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An Ultrathin Asymmetric Solid Polymer Electrolyte with Intensified Ion Transport Regulated by Biomimetic Channels Enabling Wide‐Temperature High‐Voltage Lithium‐Metal Battery

Advanced Energy Materials, Год журнала: 2023, Номер 13(12)

Опубликована: Фев. 5, 2023

Abstract Solid electrolytes that can be made compatible with high‐voltage cathodes are greatly desired to increase the energy density of solid lithium metal batteries (SLMBs). However, no monophase polymer or ceramic examples simultaneously exhibit strong electrochemical stability and reasonable compatibility due their limited internal gap. Herein, a novel asymmetric electrolyte (AMSE) tailored Li + transport mechanisms is proposed. It composed layer (HVL, polyacrylonitrile/ionic liquid [IL]) lithium‐compatible (LCL, poly(vinylidene fluoride‐ co ‐hexafluoropropylene)/UiO‐66‐SO 3 Li). The HVL exhibits vehicular mechanism introduction IL, which achieves exceptional‐electrochemical reduced interfacial resistance. Due complexation between anions UiO‐66‐SO Li, structural diffusion achieved in LCL, realizing quasi‐single‐ion migration biomimetic ionic channels. as‐proposed configuration, combined mechanisms, leads gradient distribution electric potential electrolyte, thus stable flux, proved by COMSOL‐Multiphysics. AMSE‐based SLMBs scale‐up pouch cells show remarkable cycling at 4.3 V from room temperature (Li/LiNi 0.8 Mn 0.1 Co O 2 , 3.27 mAh cm −2 ) 100 °C. strategy facilitating expected provide new pathways for designing next‐generation high density.

Язык: Английский

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A Composite of Hierarchical Porous MOFs and Halloysite Nanotubes as Single‐Ion‐Conducting Electrolyte Toward High‐Performance Solid‐State Lithium‐Ion Batteries

Advanced Materials, Год журнала: 2023, Номер 35(29)

Опубликована: Апрель 22, 2023

Abstract Metal–organic frameworks (MOFs), as a promising rechargeable electrochemical energy storage material have emerged in the field of solid‐state lithium batteries. However, low ionic conductivity and high interfacial impedance still severely hamper application MOF‐based electrolytes (SSE). In this work, novel hierarchical porous H‐ZIF‐8 electrolyte (SSE) is harvested through situ growth zinc nitrate hydroxide nanosheets, expressing excellent ion 1.04 × 10 −3 S cm −1 Li + ‐transference number 0.71. Moreover, morphology structure further optimized to obtain composite H‐ZIF‐8/HNT by decorating halloysite nanotubes (HNT). Notably, functionalized an presents obvious enhancement on properties: higher 7.74 , better single‐ion transmittability ( = 0.84), good compatibility well rate performance. More importantly, Li/LiFePO 4 battery equipped with SSE has efficient lithium‐dendrite suppression up 84% capacity retention (104.16 mA h g ) after 200 times galvanostatic charge/discharge cycles. This work enriches lithium‐ion materials, opening entirely new way for enhancing

Язык: Английский

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A Robust Dual‐Polymer@Inorganic Networks Composite Polymer Electrolyte Toward Ultra‐Long‐Life and High‐Voltage Li/Li‐Rich Metal Battery

Advanced Functional Materials, Год журнала: 2023, Номер 33(18)

Опубликована: Фев. 7, 2023

Abstract Composite polymer electrolytes (CSEs) that simultaneously possess superior electrochemical performances with robust mechanical properties are highly desired to the application of high‐energy lithium metal batteries. Herein, a novel dual‐polymer@inorganic network CSE (DNSE@IN) through sequential nonhydrolytic sol‐gel reaction tetraethoxysilane (TEOS) and semi‐interpenetration poly(vinylidene fluoride‐co‐hexafluoropropene)‐hexafluoropropylene (P(VDF‐HFP)) poly(ionic liquid) (PIL) is proposed. DNSE@IN, which has networks, not only high ionic conductivity (0.53 mS cm −1 at 20 °C), but also exhibits an outstanding Young's modulus 723.2 MPa. As result, DNSE@IN based Li/LiFePO 4 Li/Li 1.17 Ni 0.27 Co 0.05 Mn 0.52 O 2 (Li‐rich) cells exhibit remarkable cycling stability from room temperature (RT) 100 °C. As‐assembled Li/Li‐rich battery shows cyclability 194.3 mAh g after 70 cycles 4.3 V under RT. Additionally, scale‐up high‐voltage pouch excellent (nearly 100% capacity retention 93 cycles) flexibility, safety RT for potential practical applications. such, work decoupling opens route develop CSEs construction

Язык: Английский

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Fundamentals of Electrolyte Design for Wide‐Temperature Lithium Metal Batteries

Advanced Energy Materials, Год журнала: 2023, Номер 13(37)

Опубликована: Авг. 3, 2023

Abstract Lithium metal‐based batteries (LMBs) have garnered significant attention due to their exceptional energy density and lightweight characteristics. However, the electrochemical performance of LMBs often falls short, particularly in extreme temperature conditions. To address these challenges, development electrolytes capable withstanding wide ranges has emerged as a highly promising strategy for enhancing operational capabilities LMB across diverse weather This comprehensive review aims explore degradation mechanisms wide‐temperature electrolytes, establishing fundamental understanding failure that impede at harsh temperatures. Essential properties required are elucidated, latest advancements electrolyte technologies tailored specifically all‐climate operations comprehensively discussed. Particular emphasis is placed on unique role solvation structure interfacial offers valuable insights proposes directions practical implementation LMBs, contributing significantly existing knowledge base while concurrently paving way developing robust rigors environments.

Язык: Английский

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Advanced Composite Solid Electrolytes for Lithium Batteries: Filler Dimensional Design and Ion Path Optimization

Small, Год журнала: 2023, Номер 19(21)

Опубликована: Фев. 26, 2023

Abstract Composite solid electrolytes are considered to be the crucial components of all‐solid‐state lithium batteries, which viewed as next‐generation energy storage devices for high density and long working life. Numerous studies have shown that fillers in composite can effectively improve ion‐transport behavior, essence lies optimization path electrolyte. The performance is closely related structure interaction between other electrolyte including polymer matrices salts. In this review, dimensional design advanced involving 0D–2D nanofillers, 3D continuous frameworks focused on. mechanism highlighted. addition, sandwich‐structured with also discussed. Strategies room temperature ionic conductivity summarized, aiming assist target‐oriented research high‐performance electrolytes.

Язык: Английский

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