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Synthesis of the Layered-Spinel Intergrowth Structure Cathode Materials by Co-Precipitation Method

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Abstract:

Cathode materials Li-[MnxNi1/2-x/2Co1/2-x/2]-O (x=0.333, 0.4, 0.6, 0.8, 0.9) were fabricated by lithium salts (LiNO3) and manganese-nickel-cobalt hydroxide precursors using the required amounts of Mn, Ni, Co for a given value of x. When Mn content is between 0.5 and 0.8, layered and spinel structure co-existed. Meanwhile the rate Li/M is also a key factor for synthesis of layered-spinel intergrowth structure cathode materials without other impurities. Li-[Ni0.2Co0.2Mn0.6]-O and Li-[Ni0.1Co0.1Mn0.8]-O were synthesized by a Two-step Co-precipitation method.

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Periodical:

Advanced Materials Research (Volumes 105-106)

Pages:

668-672

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.105-106.668

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Online since:

April 2010

Authors:

Yu Chuan Feng, Shi Xi Zhao, Ce Wen Nan, Yuan Hua Lin

Keywords:

Cathode Material, Co-Precipitation Method, Intergrowth Structure

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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