Synthesis and Performances of a Fe-Site Doped Lithium Iron Phosphate

Hui Xie; Jian Zhuang Liu

doi:10.4028/www.scientific.net/AMR.652-654.877

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Synthesis and Performances of a Fe-Site Doped...

Synthesis and Performances of a Fe-Site Doped Lithium Iron Phosphate

Abstract:

A Fe-site doped lithium phosphate LiFe0.99La0.01PO4 as cathode material for lithium ion battery was synthesized by solid-state reaction. The crystalline structure, morphology of particles and electrochemical performances of the sample were investigated by X-ray diffraction, scanning electron microscopy, charge-discharge test and cyclic voltammetry. The results show that the small LiFe0.99La0.01PO4 particles are simple pure olive-type phase structure with uniformly distribution of gain size. The LiFe0.99La0.01PO4 obtained has proper electrochemical capacity, good cycle ability and rate performances. Such an excellent electrochemical characteristic should be partially related to the enhanced electronic conductivities and probably the better mobility of Li ion in the crystal of the doped sample.

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Advanced Materials Research (Volumes 652-654)

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877-881

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.877

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Online since:

January 2013

Authors:

Hui Xie, Jian Zhuang Liu

Keywords:

Lithium Iron/Manganese Phosphate, Lithium-Ion Battery, Rate Capability

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