Abstract
Dielectric relaxation spectra of lithium phosphate glasses are used to analyze the change of real and imaginary part of complex permittivity including loss tangent of ion conductive glasses. The experimental results getting from a.c. and d.c. electric measurements on Li phosphate glasses are analyzed, discussed and compared. Frequency dependence of the permittivity spectra is found to be consistent with the analysis of d.c. electrical conductivity. The universal a.c. conductivity law (universal dynamic response) for glass ionic conductor was confirmed. Arrhenius graphs constructed from a.c. and d.c. electrical measurements including loss tangent are used to characterize the relaxation processes and transport mechanisms connected with the mobility of conductive ions.
Highlights
Solid electrolytes present numerous potential advantages compared to liquid electrolytes, including absence of liquid containment and leakage problems, ability to operate with more reactive electrodes over a wider temperature range, and the possibility of miniaturization using thin-film-processing techniques
General requirements for practical solid electrolytes are high ionic conductivity, stability with respect to thermal and electrochemical decomposition, suitable mechanical properties, ease of fabrication, and reasonable cost. In this contribution we present results obtained by electric investigation of lithium phosphate glasses with different Li/P ratios with compositions xLi2O · (1Ϫx) P2O5 (x ϭ 55, 57.5 mol %) and oxynitride phosphate glass prepared through the thermal treatment under ammonia atmosphere of the sample with initial composition (x ϭ 55 mol %)
Dielectric relaxation spectroscopy is a powerful technique for the study of ion transport processes in fast ion conductive glasses
Summary
Solid electrolytes present numerous potential advantages compared to liquid electrolytes, including absence of liquid containment and leakage problems, ability to operate with more reactive electrodes over a wider temperature range, and the possibility of miniaturization using thin-film-processing techniques. General requirements for practical solid electrolytes are high ionic conductivity, stability with respect to thermal and electrochemical decomposition, suitable mechanical properties, ease of fabrication, and reasonable cost. In this contribution we present results obtained by electric investigation of lithium phosphate glasses with different Li/P ratios with compositions xLi2O · (1Ϫx) P2O5 (x ϭ 55, 57.5 mol %) and oxynitride phosphate glass prepared through the thermal treatment under ammonia atmosphere of the sample with initial composition (x ϭ 55 mol %)
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Communications - Scientific letters of the University of Zilina
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
