Tailoring carbon shell thickness in graphene–Li <sub>2</sub> S–carbon nanocomposite cathodes for enhanced polysulfide control and electrochemical stability
Farag M. A. AltalbawyRenewable Energy and Environmental Technology Center, University of Tabuk, Tabuk, Saudi ArabiaI. B. SapaevSchool of Engineering, Central Asian University, Tashkent 111221, UzbekistanFadel F. SaiedDepartment of Chemistry, College of Chemistry, The Islamic University, Najaf, IraqPaul RodriguesDepartment of Computer Engineering, College of Computer Science, King Khalid University, Al-Faraa, Kingdom of Saudi ArabiaM.M. RekhaDepartment of Chemistry and Biochemistry, School of Sciences, JAIN (Deemed to Be University), Bangalore, Karnataka, IndiaLaxmidhar MaharanaDepartment of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan (Deemed to Be University), Bhubaneswar, Odisha-751030, IndiaP. Grace Kanmani PrinceDepartment of Biomedical, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, IndiaGaganjot KaurDepartment of Electronics and Communication Engineering, Chandigarh University, Mohali, Punjab, IndiaMalik Bader AlazzamFaculty of Information Technology, Jadara University, Irbid, JordanShayan AmiriYoung Researchers and Elite Club, Tehran University, Tehran, Iran
ABI
Аннотация
S-carbon cathodes, achieving a low root mean square error of 0.09 V. The results reveal that a carbon shell thickness of approximately 10 nm provides an optimal balance between polysulfide confinement and lithium-ion transport, leading to minimized temperature rise, reduced ionic resistance, and improved current-density uniformity. By establishing a quantitative agreement with experimental literature, this study offers a predictive and experimentally grounded framework for the rational design and optimization of high-performance Li-S battery cathodes.
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