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Author

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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Suppression of structural degradation of LiNi0.9Co0.1O2 cathode at 90 degrees C by AlPO4-nanoparticle coating

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Title
Suppression of structural degradation of LiNi0.9Co0.1O2 cathode at 90 degrees C by AlPO4-nanoparticle coating
Author
Ahn, DonggiLee, Joon-GonLee, Jin SunKim, JisukCho, JaephilPark, Byungwoo
Keywords
AlPO4-nanoparticle; Coating; LiNi0.9Co0.1O2
Issue Date
200702
Publisher
ELSEVIER SCIENCE BV
Citation
CURRENT APPLIED PHYSICS, v.7, no.2, pp.172 - 175
Abstract
This study examined the electrochemical and structural stability of ∼1.5 wt.% AlPO4-coated LiNi0.9Co0.1O2. The AlPO4-coated LiNi0.9Co0.1O2 retained ∼60% of the original capacity after 50 cycles, compared with the ∼30% capacity retention of the bare LiNi0.9Co0.1O2. The discharge profiles and cyclic voltammograms from 4.5 V at 90 °C for 4 h showed enhanced structural stability. Scanning electron microscopy and X-ray diffraction revealed that the AlPO4-coated LiNi0.9Co0.1O2 had less degradation than the bare LiNi0.9Co0.1O2.
URI
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DOI
http://dx.doi.org/10.1016/j.cap.2006.02.014
ISSN
1567-1739
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ECHE_Journal Papers

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