SnSe₂/NiSe₂@N‐Doped Carbon Yolk‐Shell Heterostructure Construction and Selenium Vacancies Engineering for Ultrastable Sodium‐Ion Storage

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(47)

Published: Nov. 2, 2023

Abstract Tin diselenide, a promising anode material for sodium ion batteries (SIBs), still faces sluggish Na + diffusion kinetics and severe volume change, resulting in undesirable cycling stability rate capability. Heterostructure construction is an effective strategy boosting storage of SnSe 2 . Herein, appealing yolk‐shell nanostructure /NiSe heterointerface with rich Se vacancies embedded into N‐doped carbon (SnSe @NC) precisely designed through facile hydrothermal process followed by selenization strategy. The experimental studies coupled theoretical calculations results verify that the heterostructure interfaces accelerate charge transfer efficiency, improve adsorption energy supply ample active sites. buffer variation structural electrode during processes. @NC delivers ultra‐long term (322.7 mAh g −1 after 7500 cycles at 3 A ) exceptional capability (314.6 10 ). Na‐ion mechanism explored situ X‐ray diffraction ex high‐resolution transmission electron microscopy analysis. present work provides avenue to rational design materials high efficiency SIBs.

Language: Английский

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Transition metal chalcogenides for next-generation energy storage

Nanoscale Advances, Journal Year: 2023, Volume and Issue: 5(10), P. 2724 - 2742

Published: Jan. 1, 2023

Transition-metal chalcogenide nanostructures provide a unique material platform to engineer next-generation energy storage devices such as lithium-ion, sodium-ion, and potassium-ion batteries flexible supercapacitors. The transition-metal nanocrystals thin films have enhanced electroactive sites for redox reactions hierarchical flexibility of structure electronic properties in the multinary compositions. They also consist more earth-abundant elements. These make them attractive viable new electrode materials compared traditional materials. This review highlights recent advances chalcogenide-based electrodes viability structure-property relation these are explored. use various supported on carbonaceous substrates, two-dimensional transition metal chalcogenides, novel MXene-based heterostructures improve electrochemical performance lithium-ion is discussed. sodium-ion offer alternative technology they readily available source Application chalcogenides MoS

Language: Английский

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Constructing a novel heterostructure of NiSe₂/CoSe₂ nanoparticles with boosted sodium storage properties for sodium-ion batteries

Journal of Materials Chemistry A, Journal Year: 2022, Volume and Issue: 10(30), P. 16268 - 16279

Published: Jan. 1, 2022

A heterostructure of NiSe 2 /CoSe nanoparticles is well designed via a very facile strategy as an anode for high-performance sodium-ion batteries.

Language: Английский

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Self-supporting oxygen vacancy-rich α-MnO2 nanowire/few-layer graphite/SWNT bundle composite film for high-performance flexible aqueous zinc-ion battery cathode

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 484, P. 149573 - 149573

Published: Feb. 12, 2024

Language: Английский

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Interface engineering to develop heterogeneous spindle-shaped FeS2/NiS2@C nanorods for high-efficient microwave attenuation

Carbon, Journal Year: 2023, Volume and Issue: 218, P. 118735 - 118735

Published: Dec. 15, 2023

Language: Английский

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Metal Selenides Find Plenty of Space in Architecting Advanced Sodium/Potassium Ion Batteries

Small, Journal Year: 2023, Volume and Issue: 20(4)

Published: Sept. 15, 2023

Abstract The rapid evolution of smart grid system urges researchers on exploiting systems with properties high‐energy, low‐cost, and eco‐friendly beyond lithium‐ion batteries. Under the circumstances, sodium‐ potassium‐ion batteries semblable work mechanism to commercial batteries, hold merits cost‐effective earth‐abundant. As a result, it is deemed promising candidate for large‐scale energy storage devices. Exploiting appropriate active electrode materials in center spotlight development Metal selenides special structures relatively high theoretical capacity have aroused broad interest achieved great achievements. To push smooth metal enhancement electrochemical performance vital grasp inherent mechanisms these materials. Herein, state‐of‐the‐art challenges are summarized discussed. Meanwhile, corresponding future directions also highlighted.

Language: Английский

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Fabrication and synergistic control of ternary TiO2/MoO2@NC hollow spheres for high-performance lithium/sodium-ion batteries anodes

Applied Energy, Journal Year: 2023, Volume and Issue: 334, P. 120691 - 120691

Published: Jan. 19, 2023

Language: Английский

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Advances in boron nitride‐based materials for electrochemical energy storage and conversion

EcoEnergy, Journal Year: 2023, Volume and Issue: 1(2), P. 375 - 404

Published: Dec. 1, 2023

Abstract Energy storage and conversion (ESC) devices are regarded as predominant technologies to reach zero emission of carbon dioxide, which still face many challenges, such poor safety, limited cycle life, low efficiency, etc . Hexagonal boron nitride (h‐BN), distinguished by its robust mechanical strength, chemical inertness, exceptional thermal stability, superior ion conductivity, has appeared meet some challenges ESC devices. Typically, h‐BN can act a perfect modifier enhance the safety batteries improving strength heat dissipation separators, extend life Li metal protecting solid state electrolyte from reducing increase efficiency fuel cells proton conductivity membranes. Besides, recent progress on doping, surface modification, tailoring quantum dots, heterostructures, hybridizations with other nanomaterials made it possible extensively apply technologies. This review provides comprehensive overview up‐to‐date synthetic strategies for BN‐based materials discusses most breakthroughs their application in electrochemical Also, future development these fields assessed.

Language: Английский

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Recent insights into BCN nanomaterials – synthesis, properties and applications

New Journal of Chemistry, Journal Year: 2023, Volume and Issue: 47(5), P. 2137 - 2160

Published: Jan. 1, 2023

This review provides a comprehensive understanding of the synthesis, properties and applications boron carbon nitride in consort with recent developmental trends future perspectives.

Language: Английский

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Unveiling the efficient sodium storage and mechanism of MOFs-induced CoSe@N-doped carbon polyhedrons decorated with 2H-MoSe2 nanosheets

Applied Surface Science, Journal Year: 2023, Volume and Issue: 619, P. 156775 - 156775

Published: Feb. 17, 2023

Language: Английский

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