Synthesis and characterization of Li₃V₂(PO₄)₃/C composite cathode materials using direct co-precipitation method (직접 공침법을 이용한 Li₃V₂(PO₄)₃/C 복합체 양극 활물질 합성 및 특성)

Jeong-Hwan Song (송정환)

doi:10.6111/JKCGCT.2023.33.5.167

Synthesis and characterization of Li₃V₂(PO₄)₃/C composite cathode materials using direct co-precipitation method

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2023, 33(5), pp.167-173
DOI : 10.6111/JKCGCT.2023.33.5.167
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : September 22, 2023
Accepted : October 5, 2023
Published : October 31, 2023

Jeong-Hwan Song ¹

¹배재대학교

Accredited

ABSTRACT

Li₃V₂(PO₄)₃/C and Li₃V₂(PO₄)₃/C composite with single phase monoclinic structure for the cathode materials are successfully synthesized by direct co-precipitation method using N₂H₄·H₂O as the reducing agent and alginic acid as the carbon source, and their electrochemical properties were compared. The particles with approximately 1~2 µm size and the uniform spherical-like morphology of the narrow particle size distribution were obtained. In addition, the residual carbon can also improve the electrical conductivity. The Li₃V₂(PO₄)₃/C composite has improved initial specific discharge capacity and excellent cycle characteristics to maintain capacity stably than Li₃V₂(PO₄)₃. The results indicate that the reducing agent and carbon composite can affect the good crystallinity and electrochemical performance of the cathode materials.

KEYWORDS

Li₃V₂(PO₄)₃, Cathode material, Co-precipitation, N₂H₄·H₂O, Alginic acid

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* References for papers published after 2023 are currently being built.

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Synthesis and characterization of Li₃V₂(PO₄)₃/C composite cathode materials using direct co-precipitation method

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* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Synthesis and characterization of Li₃V₂(PO₄)₃/C composite cathode materials using direct co-precipitation method

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