Pregled bibliografske jedinice broj: 1269729
Impact of adding Fe ions on the local structure and electrochemical performance of P2O5–V2O5 glass and glass ceramics used as a cathode in LIBs
Impact of adding Fe ions on the local structure and electrochemical performance of P2O5–V2O5 glass and glass ceramics used as a cathode in LIBs // Journal of physics and chemistry of solids, 179 (2023), 111391, 12 doi:10.1016/j.jpcs.2023.111391 (međunarodna recenzija, članak, znanstveni)
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Naslov
Impact of adding Fe ions on the local structure and electrochemical performance of P2O5–V2O5 glass and glass ceramics used as a cathode in LIBs
Autori
Ibrahim, A. ; Arita, Y. ; Ali, A.S. ; Khan, I. ; Zhang, B. ; Razum, Marta ; Pavić, Luka ; Šantić, Ana ; Homonnay, Z. ; Kuzmann, E. ; Hassaan, M.Y. ; Wang, J. ; Kubuki, S.
Izvornik
Journal of physics and chemistry of solids (0022-3697) 179
(2023);
111391, 12
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
LIBs ; Cathode materials ; XAFS ; XRD ; DC conductivity ; Mossbauer spectroscopy
Sažetak
Due to their low cost and non-toxic characteristics, iron-vanadium-phosphate glass and glass ceramics as a cathode in lithium-ion batteries (LIBs) promise an excellent storage system. The impact of adding Fe2O3 has been studied on the local structure, electric conductivity, and battery performance of xFe2O3-(60-x)V2O5-40P2O5(10≤x≤50mol%) glass and glass ceramics, abbreviated as xFVP, were prepared by the melt quenching method. The xFVP glass and glass-ceramics series were scientifically studied before (BHT) and after heat treatment (HT) at 500 ◦C for 100 min. The X-ray diffraction patterns (XRD), 57Fe-Mossbauer spectra (FeMS), X-ray absorption fine structure (XAFS), Fourier transform infrared spectroscopy (FTIR), DC conductivity, and charge-discharge capacity were achieved in this study. The XRD data of xFVP-BHT glasses confirmed the amorphous nature as ’x’ increased from 10 to 30 mol%. Also, we found several sharp diffraction lines in the XRD patterns of xFVP-BHT and xFVP-HT, which are attributed to the FePO4, Fe3.5(PO4)3, (VO)(PO4), FePVO6, and V2O5 crystalline phases. Furthermore, with Fe2O3 increasing from 10 to 50 mol%, the DC conductivity of xFVP glass ceramics at room temperature decreased from 1.14 × 10-6 (Ω cm)-1 to 5.99 × 10-8 (Ω cm)-1. The highest initial capacity is 342 mAh g-1 recorded in 10FVP-BHT, measured at a current density of 50 mA g-1. In conclusion, Fe ions were added to the phosphate-vanadate glass to enhance the local structure and improve the cyclability of xFVP glasses as a cathode, making these glasses a promising active material for high-performance cathode LIBs.
Izvorni jezik
Engleski
Znanstvena područja
Fizika, Kemija
POVEZANOST RADA
Ustanove:
Institut "Ruđer Bošković", Zagreb
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus