Issue 54, 2022

VN and SeS2 embedded porous carbon-nanofiber film as a free-standing electrode for improved Li–SeS2 batteries

Abstract

We design a vanadium nitride (VN) modified porous carbon nanofiber film as the host to load SeS2 as the cathode (SeS2@VN/CNFs) for improving Li storage capacity. The conductive porous carbon nanofibers can accommodate active SeS2 and release the volume change. The introduced VN nanoparticles can chemically anchor the intermediate species and improve the utilization of SeS2. As a result, the SeS2@VN/CNFs cathode displays a superior electrochemical performance including a high reversible capacity of 806 mAh g−1 at 0.2 C and good long-term cycling stability in Li–SeS2 batteries.

Graphical abstract: VN and SeS2 embedded porous carbon-nanofiber film as a free-standing electrode for improved Li–SeS2 batteries

Supplementary files

Article information

Article type
Communication
Submitted
19 Apr 2022
Accepted
08 Jun 2022
First published
08 Jun 2022

Chem. Commun., 2022,58, 7570-7573

VN and SeS2 embedded porous carbon-nanofiber film as a free-standing electrode for improved Li–SeS2 batteries

Y. Shao, F. Chen, N. Ren, S. Wang, J. Wang, Z. Wen and C. Chen, Chem. Commun., 2022, 58, 7570 DOI: 10.1039/D2CC02218D

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