Confined Carbonization of Pitch Assists the Closed Pore Engineering of Coal-Based Carbon for Superior Na-Ion Storage

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Coal-based carbons have garnered interest as cost-effective anodes for sodium-ion batteries (SIBs) owing to their widespread availability and economic practicality. However, the inherent limitations in microstructure, including insufficient active sites Na-ion storage, restrict potential high-performance applications. Herein, a pitch-assisted coating treatment through confined carbonization is employed transform open micropores coal-based activated carbon into closed pores, resulting more compact efficient storage. Complementary ex situ Raman X-ray photoelectron spectroscopy analyses elucidate that Na filling within pores significantly influences low-voltage plateau capacity, validating critical role of enhancing sodium storage efficiency. The engineered demonstrate capacity 290.0 mAh g-1 an initial coulombic efficiency 78.0%, along with exceptional cycling stability rate performance. In combination O3-NaNi1/3Fe1/3Mn1/3O2 cathode, assembled full cell achieves remarkable energy density 251.2 Wh kg-1, determined by using total mass cathode anode. This work provides novel perspectives on structural engineering materials, establishing foundation commercialization SIBs.

Language: Английский

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Multi-scale nanostructures synergistically modify carbon-cubes anode for sodium-ions storage

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162394 - 162394

Published: April 1, 2025

Language: Английский

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Preparation of bismuth nanosheets via a facile solvothermal reduction method for sodium-ion batteries with excellent cycling stability and rate performance

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 122, P. 116693 - 116693

Published: April 15, 2025

Language: Английский

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Fast-Charging Na4fe3(Po4)2p2o7 Cathode for Sodium-Ion Batteries

Published: Jan. 1, 2025

Language: Английский

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High-entropy sulfoselenide as negative electrodes with fast kinetics and high stability for sodium-ion batteries

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: April 30, 2025

Conversion electrodes offer higher reversible capacity and lower cost than conventional intercalation chemistry electrodes, but suffer from kinetic limitation large volume expansion. Despite significant efforts, developing conversion with fast charging capability extended lifespan remains challenging. Here, by leveraging the advantages of high-entropy doping morphology tailoring, we develop a hierarchical micro/nanostructured sulfoselenide Cu0.88Sn0.02Sb0.02Bi0.02Mn0.02S0.9Se0.1 electrode entropy-driven fast-charging capability. When used as negative material for sodium-ion batteries, it achieves stable cycle life 10,000 cycles at 30 A g-1 high 365.7 mAh under in 13 seconds 100 g-1. Moreover, also demonstrates cycling good rate positive lithium metal achieving 37 that is comparable state-of-the-art layered cathodes. High-entropy characterized its robust crystal structure, low ion diffusion barrier, effective suppression side reactions electrolytes during cycling. Importantly, transmission X-ray microscopy affirms chemical stability HESSe, which underpins performance.

Language: Английский

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Building rapid electron/ion dual channels in mesoporous CoSe2/CNTs composites for advanced sodium-ion storage

Electrochimica Acta, Journal Year: 2025, Volume and Issue: unknown, P. 146385 - 146385

Published: May 1, 2025

Language: Английский

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Advancements in cutting-edge materials for sodium-ion battery anodes: A comprehensive review

Materials Today Chemistry, Journal Year: 2024, Volume and Issue: 42, P. 102407 - 102407

Published: Nov. 22, 2024

Language: Английский

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In-Situ formation Inorganic/Organic solid electrolyte interphase and sodium affinity sites for improved sodium metal anodes

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159713 - 159713

Published: Jan. 1, 2025

Language: Английский

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Coupling of FeS2-xSex nanoparticles and foam-like carbon superstructure to achieve high-density electron flow for enhanced sodium storage performance

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 631, P. 236293 - 236293

Published: Jan. 24, 2025

Language: Английский

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WS₂@NC Square Hexahedral Nanosheets with Na⁺-DME-Solvent Cointercalation Mechanism for Fast and Durable Sodium Ion Storage

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: 17(9), P. 13928 - 13940

Published: Feb. 24, 2025

Sodium-ion batteries (SIBs) face challenges in practical applications due to substantial volume expansion of anode materials and unstable solid–electrolyte interphases (SEIs), limiting their cycling life, rate performance, reaction kinetics. Here, we report the successful synthesis unique N-doped carbon-coated WS2 hexahedral nanoporous core–shell structures (WS2@NC) combined with a Na+-solvation strategy for high capacity long-life sodium storage. Nanoporous architecture facilitates sufficient electrolyte infiltration buffers expansion. The uniform carbon shell improves conductivity, stable inorganic-rich SEI cycle stability, Na+-solvent cointercalation partially avoids desolvation process realizes rapid Unique structural design excellent compatibility electrolytes give WS2@NC electrode unprecedented long life capability SIBs (207.7 mAh g–1 after 10,000 cycles at 20 A 343 50 g–1). This work provides critical insights into performance enhancement mechanisms, offering crucial theoretical basis SIB applications.

Language: Английский

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