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Dergiler / Turkish Journal of Chemistry / 2011 / Cilt: 35 - Sayı: 5

Electrochemical impedance spectroscopy study on intercalation and anomalous diffusion of $AlCl^-_4$ ions into graphite in basic molten salt

Ali EHSANI
Mohammad Ghasem MAHJANI
Majid JAFARIAN
Sayfa
735–743
Yayın Tarihi
2022-11-05
DOI
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The diffusion coefficient of the $AlCl^-_4$ ions was calculated from the slope of the Warburg line in a totally blocking film in the graphite electrode and was found to be 2.8 × $10^{-10} cm^2$ /s.

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Amaç & Hipotez:Electrochemical impedance spectroscopy (EIS) was employed to investigate diffusion of $AlCl^-_4$ ions in basic $(AlCl_3-NaCl-KCl)$ molten salt.
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Temel Bulgular & Veri:Nyquist plots in different DC offset potentials showed finite and restricted aluminum ion diffusion due to insertion and blocking in the graphite electrode.
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Sonuç & Katkı:The diffusion coefficient of the $AlCl^-_4$ ions was calculated from the slope of the Warburg line in a totally blocking film in the graphite electrode and was found to be 2.8 × $10^{-10} cm^2$ /s.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Abstract

Electrochemical impedance spectroscopy (EIS) was employed to investigate diffusion of $AlCl^-_4$ ions in basic $(AlCl_3-NaCl-KCl)$ molten salt. Nyquist plots in different DC offset potentials showed finite and restricted aluminum ion diffusion due to insertion and blocking in the graphite electrode. The general Warburg, open Warburg, and short Warburg impedance in the complex Nyquist plot of this system showed the anomalous diffusion behavior of the ions in the graphite electrode. The diffusion coefficient of the $AlCl^-_4$ ions was calculated from the slope of the Warburg line in a totally blocking film in the graphite electrode and was found to be 2.8 × $10^{-10} cm^2$ /s.

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Bu Makaleye Atıf Yap

EHSANI, A., MAHJANI, M. G., JAFARIAN, M. (2022). Electrochemical impedance spectroscopy study on intercalation and anomalous diffusion of $AlCl^-_4$ ions into graphite in basic molten salt. Turkish Journal of Chemistry, Cilt: 35 - Sayı: 5, 735–743. https://ajindex.com/articles/602095

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