In-Situ Synthesis of LiFePO4/Carbon Cauliflower-Like by Hydrothermal Reaction for Using in Lithium Ion Batteries

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Rezaeipayam Mina; JAVANBAKHT MEHRAN; Ghafarian Zahmatkesh Hossein; Golestani Ehsan; Ghaemi Mehdi

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Journal: ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY Year:2017 | Volume:9 | Issue:5 Page(s): 630-639

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Title

In-Situ Synthesis of LiFePO4/Carbon Cauliflower-Like by Hydrothermal Reaction for Using in Lithium Ion Batteries

Author(s)

Keywords

Lithium iron phosphate

Cauliflower-like morphology

Cathode material

Lithium ion batteries

Glucose

LiFePO4/C

Abstract

The active cauliflower-like LiFePO4 (LFP/Cin) material was synthesized with hydrothermal process in the presence of Glucose and then calcined at 600 ° C. The physical properties, particle size and morphology of obtained samples were investigated with the X-ray diffraction (XRD), Scanning Electron Microscope (SEM) and Transmission Electron Microscope (TEM). The electrochemical performance of nano-composites was studied by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and galvanostatic cycling performance. The CV curves show that LFP/Cin has higher electrochemical reactivity for lithium insertion and extraction than the LFP conventional Cathode material. EIS measurements demonstrated that Rct for LFP/Cin is 70 and 50 percent lower compared to LFP and LFP/Cex respectively. The initial discharge capacity of LiFePO4/Cin Cathode material delivers about 133. 92 mAh g− 1 (82% of theoretical capacity) at 0. 1 C and cycling stability with 96. 3% of capacity retention after 40 cycles at 0. 1 C. Electrochemical tests demonstrate that in-situ carbon coating play an important role in the improvement of battery performance with increasing the conductivity, reduce the particles size and unique structure.

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APA: Copy

Rezaeipayam, Mina, JAVANBAKHT, MEHRAN, Ghafarian Zahmatkesh, Hossein, Golestani, Ehsan, & Ghaemi, Mehdi. (2017). In-Situ Synthesis of LiFePO4/Carbon Cauliflower-Like by Hydrothermal Reaction for Using in Lithium Ion Batteries. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, 9(5), 630-639. SID. https://sid.ir/paper/346546/en

Vancouver: Copy

Rezaeipayam Mina, JAVANBAKHT MEHRAN, Ghafarian Zahmatkesh Hossein, Golestani Ehsan, Ghaemi Mehdi. In-Situ Synthesis of LiFePO4/Carbon Cauliflower-Like by Hydrothermal Reaction for Using in Lithium Ion Batteries. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY[Internet]. 2017;9(5):630-639. Available from: https://sid.ir/paper/346546/en

IEEE: Copy

Mina Rezaeipayam, MEHRAN JAVANBAKHT, Hossein Ghafarian Zahmatkesh, Ehsan Golestani, and Mehdi Ghaemi, “In-Situ Synthesis of LiFePO4/Carbon Cauliflower-Like by Hydrothermal Reaction for Using in Lithium Ion Batteries,” ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, vol. 9, no. 5, pp. 630–639, 2017, [Online]. Available: https://sid.ir/paper/346546/en

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