Synthesis of high capacity cathodes for lithium-ion batteries by morphology-tailored hydroxide co-precipitation

Dapeng Wang; Ilias Belharouak; Luis H. Ortega; Xiaofeng Zhang; Rui Xu; Dehua Zhou; Guangwen Zhou; Khalil Amine

doi:10.1016/j.jpowsour.2014.10.016

Synthesis of high capacity cathodes for lithium-ion batteries by morphology-tailored hydroxide co-precipitation

Dapeng Wang, Ilias Belharouak, Luis H. Ortega, Xiaofeng Zhang, Rui Xu, Dehua Zhou, Guangwen Zhou, Khalil Amine

Qatar Environment & Energy Research Institute

Research output: Contribution to journal › Article

19 Citations (Scopus)

Abstract

Nickel manganese hydroxide co-precipitation inside a continuous stirred tank reactor was studied with sodium hydroxide and ammonium hydroxide as the precipitation agents. The ammonium hydroxide concentration had an effect on the primary and secondary particle evolution. The two-step precipitation mechanism proposed earlier was experimentally confirmed. In cell tests, Li- and Mn-rich composite cathode materials based on the hydroxide precursors demonstrated good electrochemical performance in terms of cycle life over a wide range of lithium content.

Original language	English
Pages (from-to)	451-457
Number of pages	7
Journal	Journal of Power Sources
Volume	274
DOIs	https://doi.org/10.1016/j.jpowsour.2014.10.016
Publication status	Published - 15 Jan 2015

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Keywords

Ammonia
Cathode
Continuously stirred tank reactor CSTR
Hydroxide co-precipitation
Lithium batteries

ASJC Scopus subject areas

Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Physical and Theoretical Chemistry

Cite this

Wang, D., Belharouak, I., Ortega, L. H., Zhang, X., Xu, R., Zhou, D., Zhou, G., & Amine, K. (2015). Synthesis of high capacity cathodes for lithium-ion batteries by morphology-tailored hydroxide co-precipitation. Journal of Power Sources, 274, 451-457. https://doi.org/10.1016/j.jpowsour.2014.10.016

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AU - Xu, Rui

AU - Zhou, Dehua

AU - Zhou, Guangwen

AU - Amine, Khalil

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AB - Nickel manganese hydroxide co-precipitation inside a continuous stirred tank reactor was studied with sodium hydroxide and ammonium hydroxide as the precipitation agents. The ammonium hydroxide concentration had an effect on the primary and secondary particle evolution. The two-step precipitation mechanism proposed earlier was experimentally confirmed. In cell tests, Li- and Mn-rich composite cathode materials based on the hydroxide precursors demonstrated good electrochemical performance in terms of cycle life over a wide range of lithium content.

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KW - Hydroxide co-precipitation

KW - Lithium batteries

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10.1016/j.jpowsour.2014.10.016