High-Voltage NMC for LIBs via Ternary MOF-Lithium Carbonate System

Mehmet Feryat Gülcan*, Neslihan Yuca

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkıMakalebilirkişi

Özet

The systems for energy storage are essential for modern technologies and daily life. Numerous investigations have been conducted, particularly on lithium-ion batteries. The development of the cathode active material is one of the areas of emphasis. On the NCM111 composition, which is widely utilized in lithium-ion batteries, there are development studies on doping, morphological modifications, and coating. In the presented work, a sol-gel process was utilized to manufacture ternary metal organic framework (MOF). MOFs, as a precursor, has many benefits for obtaining homogenous particles and lower thermal decomposition during process. However, lithium acetate or lithium hydroxide had been used for lithium source during sol-gel which are soluble in water. In contrast to the literature (e. g., using an economical supply of lithium other than lithium hydroxide and acetate), lithium carbonate was used as lithium source in this study. Owing in part to the higher stability of lithium carbonate at lower temperatures, short-range ordered surface layer was achieved during the high voltage cycling process. Nevertheless, the sample that produced with lithium carbonate (S6) exhibited stable cycling performance under high voltage conditions compared to the sample (R) produced with lithium acetate.

Orijinal dilİngilizce
DergiChemSusChem
DOI'lar
Yayın durumuKabul Edilmiş/Basında - 2024

Bibliyografik not

Publisher Copyright:
© 2024 Wiley-VCH GmbH.

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