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Published in: Journal of Materials Science 20/2024

13-05-2024 | Energy materials

Revealing the potential of graphene-embedded Na3Fe2(PO4)3 for enhanced sodium-ion battery performance

Authors: Archana R. Kanwade, Akash Kumar Satrughna Jena, Shraddha M. Rajore, Sawanta S. Mali, Jyoti V. Patil, Chang Kook Hong, Parasharam M. Shirage

Published in: Journal of Materials Science | Issue 20/2024

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Abstract

In this study, pure sodium iron phosphate [Na3Fe2(PO4)3, abbreviated NFP] and graphene-embedded sodium iron phosphate [Na3Fe2(PO4)3/graphene, abbreviated NFP/G] were effectively produced through a facile sol–gel method followed by physicochemical and electrochemical characterization for sodium-ion batteries. The resulting NFP nanoplates exhibited an even distribution and firm attachment to the graphene sheets of the NFP/G nanocomposite. The nanocomposite displayed superior sodium storage capacity, achieving 115.1 mAh g−1 at a 0.1 C rate, closely approximating the theoretical capacity of pure NFP. As a SIBs cathode, NFP/G stands out for its exceptionally long cycle life and high capacity. It surpasses the capacity of pure NFP, and its derivatives studied at these charge/discharge rates, delivering high capacities of 103.7 mAh g−1 (96.4%) and 86.8 mAh g−1 (93.7%) after 50 and 500 cycles at 0.5 C and 1 C, respectively. The interaction between the NFP nanoplates evenly distributed on the graphene sheets established active sites, promoting the fast and efficient diffusion of sodium ions, leading to reduced diffusion lengths and enhanced electronic conductivity. These results emphasize the promising potential of these nanocomposites for sodium-ion energy storage applications.

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Metadata
Title
Revealing the potential of graphene-embedded Na3Fe2(PO4)3 for enhanced sodium-ion battery performance
Authors
Archana R. Kanwade
Akash Kumar Satrughna Jena
Shraddha M. Rajore
Sawanta S. Mali
Jyoti V. Patil
Chang Kook Hong
Parasharam M. Shirage
Publication date
13-05-2024
Publisher
Springer US
Published in
Journal of Materials Science / Issue 20/2024
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-024-09698-y

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