ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)

For citation:

Mintyanskii I. V., Kovalyuk Z. D., Savitskii P. I., Netyaga V. V. Impedance spectroscopy studies of Li/Bi2Se3 system. Electrochemical Energetics, 2006, vol. 6, iss. 1, pp. 46-57. DOI: 10.18500/1608-4039-2006-6-1-46-57, EDN: MLKJDT

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Language: 
Russian
Heading: 
Acid batteries
Article type: 
Article
UDC: 
541.136
DOI: 
10.18500/1608-4039-2006-6-1-46-57
EDN: 
MLKJDT

Impedance spectroscopy studies of Li/Bi2Se3 system

Autors: 
Mintyanskii I. V., Institute of Problems of Materials Science of I. N. Frantsevich NAN of Ukraine, Chernovitsky Branch
Kovalyuk Z. D., Institute of Problems of Materials Science of I. N. Frantsevich NAN of Ukraine, Chernovitsky Branch
Savitskii P. I., Institute of Problems of Materials Science of I. N. Frantsevich NAN of Ukraine, Chernovitsky Branch
Netyaga V. V., Institute of Problems of Materials Science of I. N. Frantsevich NAN of Ukraine, Chernovitsky Branch
Abstract: 

The system Li/1M LiBF4 in γ-butyrolactone/Вi2Se3 <1%Си> is firstly investigated by the impedance spectroscopy method. The measured impedance spectra as a function of the depth of discharge and temperature are presented. Modeling the experimental data was carried out on the basis of different equivalent circuits and their acceptance is estimated. We have determined the parameters of the circuits' elements and found the coefficients describing the electrode reactions and interfaces. The obtained results are in good agreement to the intercalation-disproportion mechanism of the current-forming reaction of the lithium-bismuth selenide system.

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Received: 
25.02.2006
Accepted: 
25.02.2006
Published: 
31.03.2006