Engineering fast diffusion channels in metal Sulfide/Selenide heterostructures via confinement effect for high-performance sodium storage

Wang, Lei; Fan, Yanchen; Han, Guangshuai; Ben, Haoxi; Lin, Chunfu; Ma, Chunrong

doi:10.1016/j.cej.2024.152732

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.152732

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Engineering fast diffusion channels in metal Sulfide/Selenide heterostructures via confinement effect for high-performance sodium storage

Lei Wang,

Yanchen Fan,

Guangshuai Han

et al.

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2024

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Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

Hou,

Jiang,

Sun

et al. 2024

ACS Appl. Nano Mater.

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The reasonable design of effective anode materials while simultaneously achieving rapid rate capacity and satisfied long lifespan is urgently required yet still challenging for sodiumion batteries (SIBs). Herein, we design and build Ni 0.6 Fe 0.4 Se 2 nanoboxes confined by a nitrogen-doped carbon layer and bridged by carbon nanotube networks (Ni 0.6 Fe 0.4 Se 2 @NC/CNTs) via a precipitation method combined with a carbonization and selenylation process to suitable anode materials toward efficient SIBs. The obtained Ni 0.6 Fe 0.4 Se 2 @NC/CNTs combines multiple merits of ample ion/electron active sites of hierarchical structure, enhanced ability to mitigate substantial volume expansion of nitrogen-doped carbon sheet layers, and fast electron-and Na +transfer kinetics induced by high conductivity of the interconnected carbon nanotube networks. As expected, the optimized Ni 0.6 Fe 0.4 Se 2 @NC/CNTs render a prominent sodium storage performance with an exceptional reversible capacity (564.3 mAh g −1 after 100 cycles at 0.1 A g −1 ) and a superior prolonged cycle lifespan (401.1 mAh g −1 at 5.0 A g −1 over 1000 long-term cycles), surpassing most previously reported NiFe-based electrodes to our knowledge. This work hereby highlights a practical strategy for engineering advanced anode materials for high-efficiency SIBs.

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Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

Hou,

Jiang,

Sun

et al. 2024

ACS Appl. Nano Mater.

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show abstract

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Engineering fast diffusion channels in metal Sulfide/Selenide heterostructures via confinement effect for high-performance sodium storage

Cited by 1 publication

References 50 publications

Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

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Engineering fast diffusion channels in metal Sulfide/Selenide heterostructures via confinement effect for high-performance sodium storage

Cited by 1 publication

References 50 publications

Nitrogen-Doped Carbon-Confined Ni0.6Fe0.4Se2 Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

Nitrogen-Doped Carbon-Confined Ni0.6Fe0.4Se2 Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

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Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries

Nitrogen-Doped Carbon-Confined Ni_0.6Fe_0.4Se₂ Nanoboxes Bridged by Carbon Nanotube Networks for Efficient Sodium-Ion Batteries