Composite FeF3•3H2O/C Cathode Material for Lithium Ion Battery

Chuan Wu; Xiao Xiao Li; Feng Wu; Ying Bai; Mi Zi Chen; Yu Zhong

doi:10.4028/www.scientific.net/AMR.391-392.1090

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 391-392Composite FeF3•3H2O/C Cathode Material for Lithium...

Composite FeF₃•3H₂O/C Cathode Material for Lithium Ion Battery

Abstract:

Composite FeF₃•3H₂O/C was prepared by mixing FeF₃•3H₂O with acetylene black through high-energy milling, and used as cathode material for Li-ion battery. The structure and the morphology of the as-prepared composite FeF₃•3H₂O/C were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). When compared with FeF₃•3H₂O synthesized by a liquid-phase method, the composite FeF₃•3H₂O/C had no distinct difference in crystal structure, but shows that a well distributed particle size of 100~1000nm. The electrochemical performances of FeF₃•3H₂O/C composite were evaluated by charge-discharge test and cyclic voltammetery (CV). With a current density of 23.7mAg^-1 in the voltage range of 2.0~4.5V at room temperature, the FeF₃•3H₂O/C composite achieved a maximum discharge capacity of 112 mAhg^-1, as well as a good cycling performance.

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Periodical:

Advanced Materials Research (Volumes 391-392)

Pages:

1090-1094

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.1090

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Online since:

December 2011

Authors:

Chuan Wu, Xiao Xiao Li, Feng Wu, Ying Bai, Mi Zi Chen, Yu Zhong

Keywords:

Cathode Material, FeF₃•3H₂O, FeF₃•3H₂O/C, Lithium-Ion Battery

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