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Effects of Reaction Parameters on the Preparation of LiMn2O4 for Lithium-Ion Batteries by SHS

리튬이온전지용 LiMn2O4분말의 자전연소합성시 반응변수의 영향

  • Jang, Chang-Hyun (Department of Metallurgical Engineering, Chungnam National University) ;
  • Nersisyan Hayk (Department of Metallurgical Engineering, Chungnam National University) ;
  • Won, Chang-Whan (Department of Metallurgical Engineering, Chungnam National University) ;
  • Kwon, Hyuk-Sang (Department of Materials Science and Engineering, KAIST)
  • 장창현 (충남대학교 금속공학과) ;
  • ;
  • 원창환 (충남대학교 금속공학과) ;
  • 권혁상 (한국과학기술원 신소재공학과)
  • Published : 2006.09.01

Abstract

Spinel phase $LiMn_2O_4$ is of great interest as cathode materials for lithium-ion batteries. In this study, SHS (Self propagating High-temperature Synthesis) method to synthesize spinel $LiMn_2O_4$ directly from lithium nitrate, manganese oxide, manganese and sodium chloride were investigated. The influence of Li/Mn ratio, the heat-treated condition of product have been explored. The resultant $LiMn_2O_4$ synthesized under the optimum synthesis conditions shows perfect spinel structure, uniform particle size and excellent electrochemical performances.

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