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Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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Control of AlPO4-nanoparticle coating on LiCoO2 by using water or ethanol

Cited 21 times inthomson ciCited 20 times inthomson ci
Title
Control of AlPO4-nanoparticle coating on LiCoO2 by using water or ethanol
Author
Cho, JaephilLee, Joon-GonKim, ByoungsooKim, Tae-GonKim, JisukPark, Byungwoo
Keywords
AlPO4nanoparticle; Co dissolution; Coating; Crystallinity; Li diffusivity
Issue Date
200507
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ELECTROCHIMICA ACTA, v.50, no.20, pp.4182 - 4187
Abstract
The electrochemical properties of AlPO4-coated LiCoO 2 cathodes prepared in a water or ethanol solvent were characterized with the view of stabilizing LiCoO2 at charge-cutoff voltages of 4.6 and 4.8 V. Under the influence of the AlPO4 crystallinity, the coated LiCoO2 prepared in ethanol had better capacity retention than those prepared in water. This enhancement also correlated with the improved suppression of Li-diffusivity decay in the coated cathode from the ethanol compared to that from water. In addition, the differential scanning calorimetry (DSC) results of the AlPO4 nanoparticle-coated LiCoO2 with ethanol showed an enhanced thermal stability.
URI
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DOI
http://dx.doi.org/10.1016/j.electacta.2005.01.039
ISSN
0013-4686
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