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Lithium Battery Properties of LiNi0.5Mn1.5O4 Powders Synthesized by Internal Combustion Type Spray Pyrolysis Apparatus Using Gas Burner

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Abstract:

Spherical LiNi0.5Mn1.5O4 powders were prepared by internal combustion type spray pyrolysis apparatus using gas burner. The powder production capacity was 1 kg/h by this equipment. After calcinations of as-prepared powders contained Ni at different temperatures from 800 to 1200 °C in air for 10h, LiNi0.5Mn1.5O4 powders were obtained. As-prepared particles have a porous microstructure with an average diameter of about 5 μm with narrow size distribution. XRD showed that LiNi0.5Mn1.5O4 powders were well crystallized to a spinel structure with Fd3m space group. LiNi0.5Mn1.5O4 powders calcined at 1000°C show good cycle performance with after 30 cycles discharge capacity of 112mAh/g and 95% retention after 400 cycles between 3.5 V and 5 V.

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Periodical:

Key Engineering Materials (Volume 350)

Pages:

191-194

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.350.191

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Online since:

October 2007

Authors:

Izumi Mukoyama, Kenichi Myoujin, Takahiro Nakamura, Hironori Ozawa, Takashi Ogihara, Masao Uede

Keywords:

Lithium Manganese Oxides, Secondary Lithium Battery, Spinel, Spray Pyrolysis

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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