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Morphology Effect on Enhanced Li+-Ion Storage Performance for Ni2+/3+ and/or Co2+/(3+) Doped LiMnPO4 Cathode Nanoparticles

Title
Morphology Effect on Enhanced Li+-Ion Storage Performance for Ni2+/3+ and/or Co2+/(3+) Doped LiMnPO4 Cathode Nanoparticles
Author
박진성
Keywords
RECHARGEABLE LITHIUM BATTERIES; ELECTROCHEMICAL PROPERTIES; LIFEPO4; MN; NANOMATERIALS; CONDUCTIVITY; SUBSTITUTION; FE
Issue Date
2015-11
Publisher
HINDAWI PUBLISHING CORPORATION
Citation
JOURNAL OF NANOMATERIALS, v. 2015, Article Number 970856, Page. 1-7
Abstract
The electrochemical performance of Li(Mn, M)PO4 (M = Co2+/3+, Ni2+/3+) was investigated with regard to the particle morphology. Within a controlled chemical composition, Li(Mn0.92Co0.04Ni0.04)PO4, the resultant cathode exhibited somewhat spherical-shaped nanocrystalline particles and enhanced Li+-ion storage, which was even better than the undoped LiMnPO4, up to 16% in discharge capacity at 0.05 C. The outstanding electrochemical performance is attributed to the well-dispersed spherical-shaped particle morphology, which allows the fast Li+-ion migration during the electrochemical lithiation/delithiation process, especially at high current density.
URI
https://www.hindawi.com/journals/jnm/2015/970856/http://hdl.handle.net/20.500.11754/28972
ISSN
1687-4110; 1687-4129
DOI
10.1155/2015/970856
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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