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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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Li Reaction Mechanism of MnP Nanoparticles

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Title
Li Reaction Mechanism of MnP Nanoparticles
Author
Sim, SoojinCho, Jaephil
Keywords
Dealloying; Electrochemical cycling; Ex situ; Lithium ions; Reaction mechanism; Transmission electron microscopy (TEM)
Issue Date
2012
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.159, no.5, pp.A669 - A672
Abstract
MnP nanoparticles (MnPs) with a particle size of <30 nm were prepared by the reaction of dimanganese decacarbonyl and trioctyl phosphine (TOP) at 380 degrees C under Ar atmosphere. Lithium reactionmechanism of the MnPs was investigated by using electrochemical cycling, ex situ X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). When lithium ion was first inserted into the MnP, it started to form LiMnP, LiP and LiP7 phases. During lithium dealloying (charging to 2 V), LiMnP phase was turned into the LiP and LiP5 phases.
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DOI
http://dx.doi.org/10.1149/2.081205jes
ISSN
0013-4651
Appears in Collections:
ECHE_Journal Papers

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