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A simple fabrication of porous carbon@tin dioxide as anode material for achieving lithium-ion batteries with high performance

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2023, 33(6), pp.1699-1705
  • DOI : 10.1007/s42823-023-00494-3
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : November 11, 2022
  • Accepted : March 9, 2023
  • Published : October 1, 2023

Zeng Panjing 1 Zhang Chaomin 1 Ding Mengzhao 1 Huang Yuchen 1

1School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai, 201620, China

Accredited

ABSTRACT

Refined structured tin dioxide gets the amount of attraction because of its low cost and stability. The C@SnO2 nanospheres with mesoporous structures were produced using the hard template method in this work. The C@SnO2 is primarily gained attributed to the dehydration condensation of C6H12O6 and the hydrolysis of SnCl4·5H2O. The morphology of the C@SnO2 was analyzed by physical characterization and the diameter of the obtained C@SnO2 was around 138 nm. When C@SnO2 was applied to lithium-ion batteries as anode material, it performed outstanding electrochemical properties, with a capacity of 735 and 539 mA h g−1 maintained at 1000 and 2000 mA g−1, respectively. Furthermore, it exhibits favorable discharge/charge cycle stability. This is probably because of the more chemically redox active sites provided by C@SnO2 nanocomposites and it also allows fast ion diffusion and electron migration.

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