Facile Fabrication of Melamine/MXene/FeNi‐PBA Composite Derived Multi‐Interface Magnetic Carbon Foam for High‐Efficiency Microwave Absorption

Advanced Electronic Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 18, 2024

Abstract The development of novel materials with high‐efficiency microwave absorption is crucial for mitigating the adverse impacts electromagnetic pollution. In this study, MXene and FeNi Prussian blue analogs (PBA) are assembled onto a melamine foam using self‐assembly in situ growth technique. Subsequently, magnetic carbon foam, comprising alloys, TiN various morphologies, synthesized via carbothermal reduction reaction. surface morphology properties significantly influenced by pyrolysis temperature. results revealed that composite demonstrated an effective bandwidth 4.72 GHz at thickness only 1.5 mm, minimum reflection loss −24.83 dB 1.3 mm. outstanding performance can be attributed to 3D conductive network formed N‐doped carbon, as well contributions from polarization loss, suitable impedance matching. Furthermore, corresponding absorber coating maximum value radar cross‐section (RCS) 13.16 m 2 . This research offers insights lightweight efficient low‐filled broadband absorption.

Language: Английский

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Crystalline-amorphous heterostructure on the phosphatized P-CoS2/CNT for augmenting the catalytic conversion kinetics of Li-S batteries

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 488, P. 150696 - 150696

Published: March 25, 2024

Language: Английский

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Constructing metal telluride-grafted MXene as electron “donor–acceptor” heterostructure for accelerating redox kinetics of high-efficiency Li–S batteries

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(21), P. 12691 - 12701

Published: Jan. 1, 2024

An electron modulation strategy of “donor–acceptor” is constructed by uniformly grafting NiTe 2 onto MXene, serving as a catalyst for shuttling blockers.

Language: Английский

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Heteroatom-doped ZIF-67 for anchoring and catalyzing polysulfides in lithium–sulfur batteries

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153813 - 153813

Published: July 11, 2024

Language: Английский

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Strategies to Suppress Polysulfide Dissolution and Its Effects on Lithium–Sulfur Batteries

Batteries, Journal Year: 2025, Volume and Issue: 11(4), P. 139 - 139

Published: April 3, 2025

Lithium–sulfur batteries (LSBs), with a high energy density (2600 Wh kg−1) and theoretical specific capacity (1672 mA h g−1), are considered the most promising next-generation rechargeable storage devices. However, polysulfide dissolution shuttle effect cause severe fading rapid loss of active material; hence, these must be addressed first. This review provides an overview various strategies employed to immobilise polysulfides via trapping physical chemical adsorption using porous cathode designs, heterostructures, functionalised separators, polymer binders. The working mechanism each strategy is reviewed discussed, highlighting their advantages disadvantages, they analysed through comparisons battery performance limitations in terms practical applications. Finally, future prospects for design synthesis LSBs limit discussed.

Language: Английский

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Synergetic catalytic regulation of nitrogen doped NiS2/CoS2 heterostructure for polysulfide immobilization in Li-S batteries

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: 986, P. 174113 - 174113

Published: March 8, 2024

Language: Английский

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Vanadium dioxide nanorods/carbon nanofibers as functional separator coatings for capturing polysulfides in superior-performance lithium-sulfur batteries

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 613, P. 234822 - 234822

Published: June 8, 2024

Language: Английский

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Fabrication of permselective interlayer with uniform pore structure and in-situ sulfurized Co4S3 for high performance lithium sulfur battery

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 341, P. 126664 - 126664

Published: Feb. 7, 2024

Language: Английский

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Bimetallic organic framework nanocages enhance polysulfide trapping and redox kinetics in lithium–sulfur batteries

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

A conductive CoZn-based MOF (CoZn-HTP) with hollow nanocage structures was prepared to suppress polysulfide shuttling and improve sulfur utilization cycling stability.

Language: Английский

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Unveiling Mechanistic Material Manipulation in Functional Separators for Metal Sulfur Batteries: Progress and Prospects

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 15, 2025

Abstract Metal‐sulfur batteries (MSBs) are emerging energy storage candidates due to their high density, cost‐effective nature, and environmental compatibility. However, polysulfide shuttling, slow kinetics, dendritic issues severely plague nexus stage from academic commercial applications. Inspired by the low cost higher capacity of metal sulfur batteries, numerous strategies, electrode design separator modification, developed eliminate these challenges on practical grounds. Among them, functionalizing separators hold great promise stabilize battery operation mechanistically in terms safety, stability, electrochemical benchmarks, as existing polyolefin designs cannot fully satisfy complex chemistry polysulfides. This review first discusses critical with associated mechanistic approaches better describe requirement for material manipulation design. Furthermore, role modulated functional materials is critically highlighted screened synergistically achieve an advanced recent four‐year plethora separators. Finally, future directions outlined research. will offer a comprehensive reference new paths designing modulating advancing high‐energy‐density systems.

Language: Английский

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