A 3D Carbon Architecture Encapsulation Strategy for Boosting the Performance of Nickel Disulfide as an Anode for Sodium-Ion Batteries
2024

Boosting Sodium-Ion Battery Performance with 3D Carbon Architecture

publication Evidence: high

Author Information

Author(s): Li Yuzhu, Zhang Mengyuan, Zhang Boying, Li Bingke

Primary Institution: Nanyang Normal University

Hypothesis

Can encapsulating nickel disulfide nanoparticles in a 3D carbon architecture improve their performance as anodes for sodium-ion batteries?

Conclusion

The 3D carbon architecture significantly enhances the sodium storage capacity and cycling stability of nickel disulfide anodes.

Supporting Evidence

  • The NiS2/C@CNF electrode retains 89.9% capacity after 1500 cycles at 2 A g−1.
  • The electrode exhibits a reversible capacity of 321.3 mA h g−1 at 5 A g−1.
  • The encapsulation strategy enhances electrical conductivity and structural integrity.

Takeaway

This study shows that wrapping nickel disulfide in a special carbon structure helps it work better in batteries that use sodium instead of lithium.

Methodology

Nickel disulfide nanoparticles were encapsulated within nitrogen and sulfur co-doped carbon nanosheets grown on carbon nanofibers to form a self-supporting film.

Digital Object Identifier (DOI)

10.3390/molecules29245906

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