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Effect of soybean oil as a carbon source on the electrochemical property of LiNi1/3Co1/3Mn1/3O2 cathode material for lithium ion battery

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2020, 30(6), pp.621-626
  • DOI : 10.1007/s42823-020-00133-1
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : November 28, 2019
  • Accepted : March 3, 2020
  • Published : December 1, 2020

Nguyen Van Hiep 1 Ngo Minh Duc 2 Kim Young Ho 1

1충남대학교
2Thai Nguyen University of Technology

Accredited

ABSTRACT

In this study, soybean oil, which is used in a large variety of processed foods, is used as a carbon source. Soybean oil is successfully coated onto the surface of LiNi1/3Co1/3Mn1/3O2 (NCM) by a simple method. The physical and electrochemical properties of NCM/C hybrid materials are determined. As a result, a 5 nm thickness carbon coating layer is formed on the surface of the NCM, resulting in improved capability and cyclic performance in the battery. The NCM/C battery shows an initial discharge capacity of 159 mAh g−1 and 95% capacity retention after 100 cycles (a discharge capacity of 120 mAh g−1 and 94% retention are observed after 100 cycles for the NCM cathode).

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