Electrochemically synthesized 2 H-MoS₂/sulfur-doped graphene composite at room temperature with superior lithium storage performance

ŞAHİN A. N., Hacinecipoglu A. V., Al-Bujasim M., GENÇTEN M., ŞAHİN Y.

Ionics, vol.32, no.4, pp.4179-4201, 2026 (SCI-Expanded, Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 32 Issue: 4
  • Publication Date: 2026
  • Doi Number: 10.1007/s11581-026-06996-0
  • Journal Name: Ionics
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Chemical Abstracts Core, Compendex, INSPEC
  • Page Numbers: pp.4179-4201
  • Keywords: 2-dimensional material, Anode material, Lithium-ion battery, Molybdenum disulfide, S-doped graphene
  • Yıldız Technical University Affiliated: Yes

Abstract

This study introduces a novel room-temperature electrochemical synthesis method for composite anode materials made of 2 H-Molybdenum Disulfide (MoS₂) and sulfur-doped graphene powders (S-GP) for lithium-ion batteries (LIBs). The composite leverages MoS₂’s high lithium storage capacity and the electrical conductivity of sulfur-doped graphene for enhanced performance. Structural characterization using Raman spectroscopy, XPS, XRD, SEM, and TEM confirms successful synthesis and a unique composite structure. Electrochemical tests show an initial capacity of 1433 mAh/g at 0.1 C, with good recovery at higher C-rates, indicating excellent rate capability and cycling stability. Extended cycling tests demonstrate that the material retains ~ 248 mAh/g at 10 C, with over 90% Coulombic efficiency for more than 100 cycles. This scalable, environmentally friendly synthesis method provides a promising path for next-generation energy storage. The findings highlight the potential of MoS₂ and sulfur-doped graphene as high-performance anode materials, improving energy density and long-term stability in LIBs.