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A study on the synthesis of a cathode active material precursor from a waste lithium secondary battery

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2022, 32(2), pp.61-67
  • DOI : 10.6111/JKCGCT.2022.32.2.061
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : February 22, 2022
  • Accepted : March 11, 2022
  • Published : April 30, 2022

Boram Kim 1 Kim Dae Weon 1 Tae-heon Kim 2 Jae-won Lee 2 Hang-Chul Jung 1 HAN DEOK HYUN 1 Soo-Hoon Jung 3 Dae-Hoon Yang 3

1고등기술연구원연구조합
2단국대학교
3(주)지엠텍

Accredited

ABSTRACT

A metal salt solution was prepared from valuable metals (Ni, Co, Mn) recovered from a scrap of waste lithium secondary batteries, and an NCM811 precursor was synthesized from the solution. The effect on precursor formation accordingto reaction time was confirmed by SEM, PSA, and ICP analysis. Based on the analysis results, the electrochemical properties of the synthesized NCM811 precursor and the commercial NCM811 precursor were investigated. The Galvano charge-discharge cycle, rate performance, and Cycle performance were compared, and as a result, there was no significant difference from commercial precursors.

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