首页|Synthesis and Electrochemical Properties of Porous LiAl_(0.05)Mn_(1.95)O_4 for High Power LIB by Spray Pyrolysis
Synthesis and Electrochemical Properties of Porous LiAl_(0.05)Mn_(1.95)O_4 for High Power LIB by Spray Pyrolysis
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Trans Tech Publications Ltd
Spherical LiAl_(0.05)Mn_(1.95)O_4 precursor powders were successfully prepared by spray pyrolysis. LiAl_(0.05)Mn_(1.95)O_4 precursor powders were calcined by 800℃ for 10hrs. The particles size, morphology, microstructure, crystal phases of the calcined powders were characterized by X-ray diffraction (XRD) and a scanning electron microscope (SEM). The XRD patterns showed that the crystal phases of the calcined powders were the same as spinel phase (space group: Fd3m). The particles exhibited a spherical morphology with a porous microstructure. The particle size of the primary particles was approximately 200nm. LiAl_(0.05)Mn_(1.95)O_4 cathodes exhibited higher rechargeable capacity and cycle stability at high rates. The particle microstructure of LiAl_(0.05)Mn_(1.95)O_4 powders was effective for the rechargeable capacity at high rates.
spray pyrolysisspinelLiMn_2O_4lithium ion batterycathode materials
Takayuki Kodera、Syoji Hirose、Takashi Ogihara
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Graduate School of Engineering, Materials Science and Engineering, University of Fukui 3-9-1 Bunkyo, Fukui City, Fukui Prefecture 910-8507, Japan
NETL
NSTL
Trans Tech Publications Ltd
