Effects of Reductive Conditions on the Electrochemical Properties of LiFePO4/C Derived by Fe3+ Sources

Yan Wen Lu; Yu Ge; Yue Feng Tang

doi:10.4028/www.scientific.net/AMR.1081.313

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1081Effects of Reductive Conditions on the...

Effects of Reductive Conditions on the Electrochemical Properties of LiFePO₄/C Derived by Fe³⁺ Sources

Abstract:

A one-step carbon thermal method was used to prepare LiFePO4/C particles by using normal Fe₂O₃, LiH₂PO₄ and sucrose as raw materials. The effect of H₂ content in the sintering atmosphere of N₂ on the morphology and the electrochemical performance were investigated. LiFePO₄/C materials were characterized by X-ray diffraction, scanning electron microscopy and the elemental analyzer. The results show that the precursor sintering under the atmosphere of 8%H₂+N₂ exhibits the highest electrochemical capacity (162.3 mAh/g at 0.1C) .

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Periodical:

Advanced Materials Research (Volume 1081)

Pages:

313-317

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1081.313

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Online since:

December 2014

Authors:

Yan Wen Lu, Yu Ge, Yue Feng Tang*

Keywords:

H₂, Fe³⁺, LiFePO₄/C, Sintering Atmosphere

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