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Synthesis and characterization of spherical morphology [Ni0.4Co0.2Mn0.4](3)O-4 materials for lithium secondary batteries
- Authors
- Oh, Sung Woo; Park, Sang-Ho; Amine, Khalil; Sun, Yang-Kook
- Issue Date
- Sep-2006
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- lithium secondary batteries; spray pyrolysis; positive materials; layered materials; electrochemical properties
- Citation
- JOURNAL OF POWER SOURCES, v.160, no.1, pp.558 - 562
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 160
- Number
- 1
- Start Page
- 558
- End Page
- 562
- ISSN
- 0378-7753
- Abstract
- Spherical morphology [Ni0.4Co0.2Mn0.4](3)O-4 materials have been synthesized by ultrasonic spray pyrolysis. The Li[Ni(0.4)ACo(0.2)Mn(0.4)]O-2 powders were prepared at various pyrolysis temperatures between 500 and 900 degrees C. The Li[Ni0.4Co0.2Mn0.4]O-2 material prepared at a pyrolysis temperature of 600 degrees C samples are exhibited excellent electrochemical cycling performance and delivered the highest discharge capacity at over 180 mAh g(-1) between 2.8 and 4.4 V. The structural, electrochemical, morphological property and thermal stability of the powders were characterized by X-ray diffraction (XRD), galvanostatic charge/discharge testing, scanning electron microscopy (SEM), and differential scanning calorimeter (DSC), respectively.
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Related Researcher
- Sun, Yang Kook
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)