Synthesis and Electrochemical Performance of NiO/Co Composite Anode Material

Qiu Zhong Li; Gui Yang Yan; Feng Chen

doi:10.4028/www.scientific.net/AMR.554-556.414

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Synthesis and Electrochemical Performance of...

Synthesis and Electrochemical Performance of NiO/Co Composite Anode Material

Abstract:

The NiO/Co composite material was prepared by doping Co in the NiO, and the Co was prepared by chemical reduction. The structure morphology and performance were characterized by XRD, SEM, charge-discharge tests, cyclic voltammetry (CV), AC impedance and the behavior of lithium insertion-extraction was also be discussed. The results show that the conductivity of the NiO material was enhanced by doping Co, which would promote the decomposition of SEI during the charge process, and thus the cycle performance was improved obviously. The reversible specific capacity of NiO/Co composite material maintained 550 mAh g-1 after 30 cycles, and the capacity keep rate was 87.4% much higher than that of pure NiO material(343 mAh g-1 and 49.1%, respectively).

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Advanced Materials Research (Volumes 554-556)

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414-419

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https://doi.org/10.4028/www.scientific.net/AMR.554-556.414

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Online since:

July 2012

Authors:

Qiu Zhong Li, Gui Yang Yan, Feng Chen

Keywords:

Anode Material, Electrochemical Performance, Lithium-Ion Battery, NiO/Co Composite Material

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