Novel preparation of FeS2/g-C3N4 as enhanced anode materials for LIB
DOI:
https://doi.org/10.62239/jca.2025.056Keywords:
FeS2, g-C3N4, anode, lithium-ion, batteryAbstract
This study presents a facile one-step synthesis of FeS₂/g-C₃N₄ composites at various temperatures (FSCN-T) for lithium-ion battery anodes. Structural analysis (XRD, FTIR, SEM, EDS) confirmed the successful formation of both phases, with nano-sized FeS₂ uniformly distributed on the g-C₃N₄ matrix. Electrochemical testing revealed that the FSCN-550 sample delivered optimal performance, maintaining a discharge capacity of ~240 mAh/g after 300 cycles with a Coulombic efficiency above 99%. This enhanced stability and capacity are attributed to a robust composite structure and limited g-C₃N₄ decomposition at the optimal temperature. The results position FSCN-550 as a promising high-performance anode material.
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Copyright (c) 2025 Phan Thi Thuy Trang, Nguyen Van Kim, Nguyen Thi Lan, Hoang Duc An, Nguyen Thi Thanh Huong, Nguyen Phi Hung
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National Foundation for Science and Technology Development
Grant numbers 104.05–2021.84
