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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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Enhancement of the electrochemical properties of o-LiMnO2 cathodes at elevated temperature by lithium and fluorine additions

Cited 12 times inthomson ciCited 14 times inthomson ci
Title
Enhancement of the electrochemical properties of o-LiMnO2 cathodes at elevated temperature by lithium and fluorine additions
Author
Kim, Tae-JoonSon, DongyeonCho, JaephilPark, Byungwoo
Keywords
Capacity fading; Elevated-temperature cycling; Li and F additions; Lithium-ion batteries; o-LiMnO2 cathode; Rate capability
Issue Date
200603
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF POWER SOURCES, v.154, no.1, pp.268 - 272
Abstract
Orthorhombic LiMnO2 cathodes suffer severe capacity fading due to accelerated manganese dissolution at elevated temperatures. Fluorine-modified LiMnO2 cathodes prepared by a solid-state reaction show less cation mixing and a well-defined crystallinity with a larger grain/powder morphology. The cathodes exhibit improved capacity retention and rate capability at the elevated temperature (55 °C) compared with undoped counterparts.
URI
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DOI
http://dx.doi.org/10.1016/j.jpowsour.2005.03.193
ISSN
0378-7753
Appears in Collections:
ECHE_Journal Papers

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