Whba, RawdahDogan, EbruMoeez, IqraBhatti, Ali Hussain UmarAkbar, MuhammadChung, Kyung YoonAltin, Emine2026-04-042026-04-0420241944-82441944-8252https://doi.org/10.1021/acsami.4c11557https://hdl.handle.net/11616/109368In this study, innovative electrode materials for lithium-ion batteries (LIBs) were developed and characterized, demonstrating significant performance enhancements. Initially, NMC622@TiO2 was synthesized using a wet-chemical method with titanium(IV) ethoxide as the Ti source. Advanced structural investigations confirmed the successful formation of a core@shell structure with negligible cation mixing (Li+/Ni2+) at the NMC622 surface, contributing to enhanced electrochemical performance. Subsequently, carbon-based anode materials were produced from biomass, specifically figure seeds, and subjected to high-temperature heat treatment. The resulting powders exhibited dominant graphitic properties, evidenced by a Raman I D/I G ratio of 0.5. Electrochemical evaluations of both electrode materials were conducted using half-cell configurations. The optimization of the TiO2 coating process was assessed through half-cell performance metrics and diffusion rates calculated from galvanostatic intermittent titration technique (GITT) experiments. The final phase focused on full-cell design, employing a prelithiation strategy for anodes using a direct contact technique. Optimization of the prelithiation process led to the assembly of full cells combining NMC622/prelithiated figure-seed anodes and NMC622@TiO2/prelithiated figure-seed anodes. The results revealed that TiO2-coated NMC622, paired with prelithiated carbon anodes derived from figure seeds, delivered superior performance compared to uncoated NMC622 full cells. This study underscores the potential of biomass-derived carbon anodes and TiO2 coatings in enhancing the efficiency and performance of LIBs.eninfo:eu-repo/semantics/closedAccesslithium-ion batteryelectrodesNMC622core-shellprelithiation processfigureseedselectrochemical performanceArticle165170442704593965903610.1021/acsami.4c115572-s2.0-85211975313Q1WOS:001374999600001Q10009-0000-8481-23530000-0002-1273-746X0000-0003-4752-83070000-0002-4590-907X