Effect of Ultrasonic Treatment on the Properties of Pyrophyllite and Thermodynamic and Kinetic Regularities of its Intercalation with Lithium

Effect of Ultrasonic Treatment on the Properties of Pyrophyllite and Thermodynamic and Kinetic Regularities of its Intercalation with Lithium

We study the influence of the ultrasonic treatment of pyrophyllite in different media on its structure and charge transfer and analyze the dependences of changes in the Gibbs free energy, resistance to charge transfer, and capacitance of the Helmholtz layer caused by the acoustic action on the amoun...

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Veröffentlicht in:Materials science (New York, N.Y.) N.Y.), 2014-07, Vol.50 (1), p.109-116
Hauptverfasser: Balaban, O. V., Hryhorchak, I. I., Kondyr, A. I.
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Charge transfer
Chemistry and Materials Science
Diffusion coefficient
Gibbs free energy
Intercalation
Lithium
Materials Science
Pyrophyllite
Regularity
Solid Mechanics
Structural Materials
Ultrasonic treatment
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Zusammenfassung:We study the influence of the ultrasonic treatment of pyrophyllite in different media on its structure and charge transfer and analyze the dependences of changes in the Gibbs free energy, resistance to charge transfer, and capacitance of the Helmholtz layer caused by the acoustic action on the amount of “guest” lithium x . It is shown that abnormally high diffusion coefficients of lithium cations for all investigated values of x represent a specific feature of the kinetics of intercalation in Li x AL 2 (OH) 2 [Si 2 O 5 ] 2 .
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-014-9698-3