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The effects of calcination temperature on the electrochemical performance of LiMnPO4 prepared by ultrasonic spray pyrolysis
- Issue Date
- Sep-2010
- Publisher
- Elsevier BV
- Keywords
- Coating materials; Nano-structured materials; X-ray diffraction; Transmission electron microscopy; Scanning electron microscopy
- Citation
- Journal of Alloys and Compounds, v.506, no.1, pp 372 - 376
- Pages
- 5
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Alloys and Compounds
- Volume
- 506
- Number
- 1
- Start Page
- 372
- End Page
- 376
- ISSN
- 0925-8388
1873-4669
- Abstract
- Carbon-coated LiMnPO4 powders were prepared by ultrasonic spray pyrolysis. The effects of calcination temperature on the microstructure and electrochemical performance of C-LiMnPO4 were investigated. X-ray diffraction (XRD) studies showed that the crystallite size varied with calcination temperature. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observations revealed that the calcination temperature had a strong influence on the morphology of the prepared final powder, and therefore the subsequent electrochemical performance of the material. The C-LiMnPO4 powders prepared at 650 degrees C exhibited excellent electrochemical performance with a discharge capacity of 118 mAh g(-1).
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Related Researcher
- Sun, Yang Kook
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)