Sol-Gel Synthesis of LiFePO4/C Composite Cathode Material from FePO4/PANI

Zhong Yuan Cheng; Fu Xin Zhong; Ying Jiang; Peng Fei Yu; Yun Xia Jin; Shun Hua Xiao

doi:10.4028/www.scientific.net/AMR.724-725.1075

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725Sol-Gel Synthesis of LiFePO4/C Composite Cathode...

Sol-Gel Synthesis of LiFePO₄/C Composite Cathode Material from FePO₄/PANI

Abstract:

Olivine structured LiFePO₄ are prepared by sol-gel method from FePO₄·H₂O nanocrystallites, which are synthesized via in situ polymerization restriction technique. These composites are fully characterized using XRD, SEM, and the electrochemical performances have been shown by the charge/discharge capacity, rate property and cycle performance. The synthesized LiFePO₄ samples show well-crystallized structures. Among those samples, the sample synthesized at 650°C presents the highest discharge capacity of 165.8 mAhg^-1 at 0.2 C. This compares with a theoretical discharge capacity of 170 mAhg^-1.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1075-1078

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1075

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Online since:

August 2013

Authors:

Zhong Yuan Cheng*, Fu Xin Zhong, Ying Jiang, Peng Fei Yu, Yun Xia Jin, Shun Hua Xiao

Keywords:

In Situ Polymerization Restriction, LiFePO₄, Lithium-Ion Battery, Sol-Gel

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