Effects of sintering temperature on the structure and electrochemical performance of Mg2SiO4 cathode materials

• Published in: Ionics Vol. 24; no. 9; pp. 2665 - 2671
• Main Authors: Tamin, S. H., Adnan, S. B. R. S., Jaafar, M. H., Mohamed, N. S.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2018; Springer Nature B.V
• Subjects: Cathodes; Chemistry; Chemistry and Materials Science; Condensed Matter Physics; Crystal growth; Electrochemical analysis; Electrochemistry; Electrode materials; Energy Storage; Fourier transforms; Infrared analysis; Lattice parameters; Morphology; Optical and Electronic Materials; Original Paper; Particle size; Particle size distribution; Rechargeable batteries; Renewable and Green Energy; Sintering; Sol-gel processes; Temperature; X-ray diffraction; siO; Forsterite; Mg; Sintering temperature; Cathode; Sol-gel
• ISSN: 0947-7047; 1862-0760
• DOI: 10.1007/s11581-017-2391-4

The objective of the present study was to investigate the effects of sintering temperature on the structure and electrochemical performance of Mg 2 SiO 4 cathode materials using sol-gel method. X-ray diffraction and Fourier-transform infrared analysis were used to study the structural properties of the materials. The temperatures applied in the sintering process influenced the structure, morphology, as well as particle size distribution of the Mg 2 SiO 4 . All samples sintered at temperatures of 900, 1000, and 1100 °C yielded pure Mg 2 SiO 4 compounds consisting of orthorhombic crystalline phase with a space group of Pbnm. Particle size and lattice parameters of Mg 2 SiO 4 samples increased with the increases of sintering temperature due to an increase of the nucleation and crystal growth rates. The cyclic voltammetry analysis showed the presence of redox reaction. This result shows that the Mg 2 SiO 4 material has potential to be used as cathode materials in magnesium rechargeable batteries.