Multiphase nano Co9S8/CoS encapsulated in N-doped carbon for high capacity sodium-ion battery anode

Zeng, Tianbiao; Chen, Qiduo; Ding, Yihong; Xu, Xuezhi; Feng, Dong; Xie, Delong

doi:10.1016/j.est.2023.109849

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2023.109849

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Multiphase nano Co9S8/CoS encapsulated in N-doped carbon for high capacity sodium-ion battery anode

Tianbiao Zeng,

Qiduo Chen,

Yihong Ding

et al.

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Cited by 3 publications

References 36 publications

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Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Song,

Deng,

Cai

et al. 2025

Journal of Power Sources

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Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Song,

Deng,

Cai

et al. 2025

Journal of Power Sources

View full text Add to dashboard Cite

Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage

Wang,

Wu,

Niu

et al. 2025

Next Energy

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Co/Co₉S₈ Nanofibers Decorated with Carbon Nanotubes as Oxygen Electrocatalysts for Zn–Air Batteries

Song,

Li,

Zhou

et al. 2024

ACS Appl. Nano Mater.

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The fundamental issues limiting the development of zinc−air batteries (ZABs) are the slow kinetics of the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) as well as the limited operating environment. Herein, a membrane air cathode with a unique nanostructure integrating superior bifunctional oxygen electrocatalytic activity was prepared by electrospinning and a simple heat treatment strategy. The membrane is composed of one-dimensional multilevel carbon nanofibers covered by the S, N codoped carbon nanotubes encapsulating the nanoscale Co/Co 9 S 8 homogeneous heterostructure (Co/Co 9 S 8 @MCF). Because of the tailored built-in electric field facilitating the transport of ions, the ohmic contact property of the heterostructure, and the intrinsic conductivity of the carbon substrate promoting the electron transport of the overall material, crosslinked carbon nanotubes with rich defects form a large specific surface area and porous structure, which provide a pathway for ion transport, and the encapsulation of the heterostructure by carbon nanotubes enhances the stability of the nanostructure; the synthesized Co/Co 9 S 8 @MCF exhibits superior bifunctional electrocatalytic properties. The aqueous ZAB based on the Co/Co 9 S 8 @ MCF air cathode demonstrates a peak power density of 225.32 mW cm −2 , a high discharge specific capacity of 719.52 mAh g −1 , and long-term cycling stability for over 200 h at 5 mA cm −2 . Therefore, designing the internal and external nanostructures of the heterostructure provides an opportunity for preparing high-performance ZABs.

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Multiphase nano Co9S8/CoS encapsulated in N-doped carbon for high capacity sodium-ion battery anode

Cited by 3 publications

References 36 publications

Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage

Co/Co₉S₈ Nanofibers Decorated with Carbon Nanotubes as Oxygen Electrocatalysts for Zn–Air Batteries

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About

Multiphase nano Co9S8/CoS encapsulated in N-doped carbon for high capacity sodium-ion battery anode

Cited by 3 publications

References 36 publications

Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Effective protection for cobalt sulfide constructed using a three-layer core-shell structure in biomass carbon for sodium ion batteries

Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage

Co/Co9S8 Nanofibers Decorated with Carbon Nanotubes as Oxygen Electrocatalysts for Zn–Air Batteries

Contact Info

Product

Resources

About

Co/Co₉S₈ Nanofibers Decorated with Carbon Nanotubes as Oxygen Electrocatalysts for Zn–Air Batteries