한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제24권2호
  • /
  • Pages.160-171
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  • 2013
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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리튬이차전지에서 대기압 수소플라즈마 처리된 LiNi1/3Co1/3Mn1/3O2 양극 활물질의 특성분석

Characterization of Atmospheric H2-Plasma-Treated LiNi1/3Co1/3Mn1/3O2 as Cathode Materials in Lithium Rechargeable Batteries

  • 선호정 (군산대학교 신소재공학과) ;
  • 이재호 (군산대학교 나노화학공학과) ;
  • 정현영 (군산대학교 신소재공학과) ;
  • 석동찬 (국가핵융합연구소 플라즈마기술연구센터) ;
  • 정용호 (국가핵융합연구소 플라즈마기술연구센터) ;
  • 박경세 (군산대학교 화학과) ;
  • 심중표 (군산대학교 나노화학공학과)
  • Sun, Ho-Jung (Department of Material Science & Engineering, Kunsan National University) ;
  • Lee, Jae-Ho (Department of Nano & Chemical Engineering, Kunsan National University) ;
  • Jeong, Hyun-Young (Department of Material Science & Engineering, Kunsan National University) ;
  • Seok, Dong-Chan (Plasma Technology Research Center, National Fusion Research Institute) ;
  • Jung, Yongho (Plasma Technology Research Center, National Fusion Research Institute) ;
  • Park, Gyungse (Department of Chemistry, Kunsan National University) ;
  • Shim, Joongpyo (Department of Nano & Chemical Engineering, Kunsan National University)
  • 투고 : 2013.01.29
  • 심사 : 2013.04.26
  • 발행 : 2013.04.30
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초록

$LiNi_{1/3}Co_{1/3}Mn_{1/3}O_2$ powder for cathode materials in lithium rechargeable batteries was treated by atmospheric plasma containing hydrogen to investigate the relationship between charge/discharge performance and physical/chemical changes of materials. Hydrogen plasma at atmosphere pressure was irradiated on the surface of active materials, and the change for their crystal structure, surface morphology, and chemical composition were observed by XRD, SEM-EDS and titration method, respectively. The crystal structure and surface morphology of $H_2$ plasma-treated powders were not changed but their chemical compositions were slightly varied. For charge/discharge test, $H_2$ plasma affected initial capacity and rate capability of active materials but continuous cycling was not subject to plasma treatment. Therefore, it was observed that $H_2$ plasma treatment affected the surface of materials and caused the change of chemical composition.

키워드

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