@article{ART003387189},
author={Ha Seongmin and Kim Taemin and Kim SooHui and Cheon Seoyeong and Lee, Young-Seak and Im Ji Sun},
title={Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes},
journal={Carbon Letters},
issn={1976-4251},
year={2026},
volume={36},
number={3},
pages={1183-1196},
doi={10.1007/s42823-026-01052-3}
TY - JOUR
AU - Ha Seongmin
AU - Kim Taemin
AU - Kim SooHui
AU - Cheon Seoyeong
AU - Lee, Young-Seak
AU - Im Ji Sun
TI - Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes
JO - Carbon Letters
PY - 2026
VL - 36
IS - 3
PB - Korean Carbon Society
SP - 1183
EP - 1196
SN - 1976-4251
AB - In this study, a CF₄ + O₂ dual-plasma post-treatment was employed to significantly enhance the electrochemical performance of kenaf-derived hard-carbon anodes for potassium-ion batteries (KIBs). This plasma-based post-engineering process simultaneously introduced fluorine and oxygen functionalities while reconstructing the carbon surface, thereby increasing the defect density, edge-site exposure, and microporosity. Comprehensive structural and chemical analyses confirmed that the dual-plasma treatment effectively tailored both the surface chemistry and pore architecture of hard carbon. As a result, the modified samples exhibited higher reversible capacities, improved rate capabilities, and superior cycling stability compared to the pristine counterparts. The enhanced potassium storage behavior is attributed to the synergistic effects of fluorine/oxygen co-doping, defect-rich surface reconstruction, and the formation of a stable KF-rich hybrid SEI layer during cycling. Importantly, this work demonstrates that dual-plasma modification can serve as a versatile and scalable post-treatment strategy for upgrading existing carbon anodes, offering a practical pathway toward high-performance and durable KIBs. The insights gained here can be further extended to the rational surface design of carbon anodes for other emerging rechargeable battery systems.
KW - Kenaf-derived hard-carbon anode CF4 + O₂ dual-plasma treatment Fluorine-oxygen synergistic doping KF-rich hybrid SEI stabilization
DO - 10.1007/s42823-026-01052-3
ER -
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak and Im Ji Sun. (2026). Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes. Carbon Letters, 36(3), 1183-1196.
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak and Im Ji Sun. 2026, "Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes", Carbon Letters, vol.36, no.3 pp.1183-1196. Available from: doi:10.1007/s42823-026-01052-3
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak, Im Ji Sun "Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes" Carbon Letters 36.3 pp.1183-1196 (2026) : 1183.
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak, Im Ji Sun. Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes. 2026; 36(3), 1183-1196. Available from: doi:10.1007/s42823-026-01052-3
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak and Im Ji Sun. "Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes" Carbon Letters 36, no.3 (2026) : 1183-1196.doi: 10.1007/s42823-026-01052-3
Ha Seongmin; Kim Taemin; Kim SooHui; Cheon Seoyeong; Lee, Young-Seak; Im Ji Sun. Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes. Carbon Letters, 36(3), 1183-1196. doi: 10.1007/s42823-026-01052-3
Ha Seongmin; Kim Taemin; Kim SooHui; Cheon Seoyeong; Lee, Young-Seak; Im Ji Sun. Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes. Carbon Letters. 2026; 36(3) 1183-1196. doi: 10.1007/s42823-026-01052-3
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak, Im Ji Sun. Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes. 2026; 36(3), 1183-1196. Available from: doi:10.1007/s42823-026-01052-3
Ha Seongmin, Kim Taemin, Kim SooHui, Cheon Seoyeong, Lee, Young-Seak and Im Ji Sun. "Plasma-engineered kenaf-derived hard carbon with fluorine–oxygen synergy for kib anodes" Carbon Letters 36, no.3 (2026) : 1183-1196.doi: 10.1007/s42823-026-01052-3
2,
Im Ji Sun
1