Sol-gel Synthesis and Characterizations of MgSO4- Al2O3 Composite Solid Electrolytes

Sol-gel Synthesis and Characterizations of MgSO4- Al2O3 Composite Solid Electrolytes

N. Che Su M. Sulaiman N. S. Mohamed

Institute of Graduate Studies, University of Malaya 50603 Kuala Lumpur, Malaysia

Center for Foundation Studies in Science, University of Malaya 50603 Kuala Lumpur, Malaysia

Corresponding Author Email: 
ahaslincs@gmail.com, mazdidas@um.edu.my, nsabirin@um.edu.my
Page: 
27-32
|
DOI: 
https://doi.org/10.14447/jnmes.v19i1.344
Received: 
06 January 2016
|
Accepted: 
17 March 2016
|
Published: 
29 April 2016
| Citation

OPEN ACCESS

Abstract: 

In this study, composite solid electrolytes in the system (1-x) MgSO4 – x Al2Owith x = 0.1 - 0.6 mole were prepared by a citric acid assisted sol-gel method. X-ray diffraction analysis confirmed the transformation of anhydrous MgSOto β-MgSOupon sintering at 900 ˚C for 2 hours. The prepared composite samples exhibited both crystalline and amorphous state of β-MgSO4. The highest conductivity found was 1.9 ×10-6 S cm-1 with x = 0.6 at elevated temperatures. The current results show that high concentration of Al2O3 enhanced the disordered phase composite sample thus contributes to high concentration amorphous of composite samples. This has been supported by FTIR, DSC and SEM.

Keywords: 

composite solid electrolyte, magnesium sulphate, aluminium oxide, sol-gel method

1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusion
5. Acknowledgemient
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