Production of Eu-doped LiFePO4 by glass-ceramic technique and investigation of their thermal, structural, electrochemical performances
Küçük Resim Yok
Tarih
2022
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
LiFe1-xEuxPO4 (x = 0-0.1) samples were successfully fabricated by glass-ceramics technique quenching from high temperature. Thermal properties were analyzed by DTA analysis. Crystallization activation energy and Avrami parameters were calculated depending on the Eu content and heating rates. The XRD analysis shows that there are two-phases of LiFePO4 and Li3Fe2P3O12 which compete with Eu-doping in the samples and it is found that the x = 0.02 sample has the lowest impurity phases. The battery cells exhibit similar cycling voltammetry (CV) data with the undoped LiFePO4 battery cells. The charging/discharging cycles measurements were done for C/2-rate at room conditions and the best capacity value for C/2-rate was obtained as 149.4 mAh/g for x = 0.02 Eu-doped sample. Although the best capacity was obtained for x = 0.02, the best capacity fade was obtained for x = 0.03 Eu-doped sample. C-rate measurements provided that x = 0.02 cells have the promising results for the battery applications.
Açıklama
Anahtar Kelimeler
Iron-Phosphate-Glasses, Lithium-Ion Battery, Electrode Materials, Cathode Materials, Carbon, Li, State, Crystallization, Composites, Ftir
Kaynak
Journal of Materials Science-Materials in Electronics
WoS Q Değeri
Q2
Scopus Q Değeri
Q2
Cilt
33
Sayı
17
